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viewer.js

Jun 16th, 2021
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  1. /**
  2.  * @licstart The following is the entire license notice for the
  3.  * Javascript code in this page
  4.  *
  5.  * Copyright 2021 Mozilla Foundation
  6.  *
  7.  * Licensed under the Apache License, Version 2.0 (the "License");
  8.  * you may not use this file except in compliance with the License.
  9.  * You may obtain a copy of the License at
  10.  *
  11.  *     http://www.apache.org/licenses/LICENSE-2.0
  12.  *
  13.  * Unless required by applicable law or agreed to in writing, software
  14.  * distributed under the License is distributed on an "AS IS" BASIS,
  15.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16.  * See the License for the specific language governing permissions and
  17.  * limitations under the License.
  18.  *
  19.  * @licend The above is the entire license notice for the
  20.  * Javascript code in this page
  21.  */
  22.  
  23. /******/ (() => { // webpackBootstrap
  24. /******/    "use strict";
  25. /******/    var __webpack_modules__ = ([
  26. /* 0 */,
  27. /* 1 */
  28. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  29.  
  30.  
  31.  
  32. Object.defineProperty(exports, "__esModule", ({
  33.   value: true
  34. }));
  35. exports.OptionKind = exports.AppOptions = void 0;
  36.  
  37. var _viewer_compatibility = __webpack_require__(2);
  38.  
  39. const OptionKind = {
  40.   VIEWER: 0x02,
  41.   API: 0x04,
  42.   WORKER: 0x08,
  43.   PREFERENCE: 0x80
  44. };
  45. exports.OptionKind = OptionKind;
  46. const defaultOptions = {
  47.   cursorToolOnLoad: {
  48.     value: 0,
  49.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  50.   },
  51.   defaultUrl: {
  52.     value: "compressed.tracemonkey-pldi-09.pdf",
  53.     kind: OptionKind.VIEWER
  54.   },
  55.   defaultZoomValue: {
  56.     value: "",
  57.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  58.   },
  59.   disableHistory: {
  60.     value: false,
  61.     kind: OptionKind.VIEWER
  62.   },
  63.   disablePageLabels: {
  64.     value: false,
  65.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  66.   },
  67.   enablePermissions: {
  68.     value: false,
  69.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  70.   },
  71.   enablePrintAutoRotate: {
  72.     value: true,
  73.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  74.   },
  75.   enableScripting: {
  76.     value: true,
  77.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  78.   },
  79.   enableWebGL: {
  80.     value: false,
  81.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  82.   },
  83.   externalLinkRel: {
  84.     value: "noopener noreferrer nofollow",
  85.     kind: OptionKind.VIEWER
  86.   },
  87.   externalLinkTarget: {
  88.     value: 0,
  89.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  90.   },
  91.   historyUpdateUrl: {
  92.     value: false,
  93.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  94.   },
  95.   ignoreDestinationZoom: {
  96.     value: false,
  97.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  98.   },
  99.   imageResourcesPath: {
  100.     value: "./images/",
  101.     kind: OptionKind.VIEWER
  102.   },
  103.   maxCanvasPixels: {
  104.     value: 16777216,
  105.     compatibility: _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels,
  106.     kind: OptionKind.VIEWER
  107.   },
  108.   pdfBugEnabled: {
  109.     value: false,
  110.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  111.   },
  112.   printResolution: {
  113.     value: 150,
  114.     kind: OptionKind.VIEWER
  115.   },
  116.   renderer: {
  117.     value: "canvas",
  118.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  119.   },
  120.   renderInteractiveForms: {
  121.     value: true,
  122.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  123.   },
  124.   sidebarViewOnLoad: {
  125.     value: -1,
  126.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  127.   },
  128.   scrollModeOnLoad: {
  129.     value: -1,
  130.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  131.   },
  132.   spreadModeOnLoad: {
  133.     value: -1,
  134.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  135.   },
  136.   textLayerMode: {
  137.     value: 1,
  138.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  139.   },
  140.   useOnlyCssZoom: {
  141.     value: false,
  142.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  143.   },
  144.   viewerCssTheme: {
  145.     value: 0,
  146.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  147.   },
  148.   viewOnLoad: {
  149.     value: 0,
  150.     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  151.   },
  152.   cMapPacked: {
  153.     value: true,
  154.     kind: OptionKind.API
  155.   },
  156.   cMapUrl: {
  157.     value: "../web/cmaps/",
  158.     kind: OptionKind.API
  159.   },
  160.   disableAutoFetch: {
  161.     value: false,
  162.     kind: OptionKind.API + OptionKind.PREFERENCE
  163.   },
  164.   disableFontFace: {
  165.     value: false,
  166.     kind: OptionKind.API + OptionKind.PREFERENCE
  167.   },
  168.   disableRange: {
  169.     value: false,
  170.     kind: OptionKind.API + OptionKind.PREFERENCE
  171.   },
  172.   disableStream: {
  173.     value: false,
  174.     kind: OptionKind.API + OptionKind.PREFERENCE
  175.   },
  176.   docBaseUrl: {
  177.     value: "",
  178.     kind: OptionKind.API
  179.   },
  180.   enableXfa: {
  181.     value: false,
  182.     kind: OptionKind.API
  183.   },
  184.   fontExtraProperties: {
  185.     value: false,
  186.     kind: OptionKind.API
  187.   },
  188.   isEvalSupported: {
  189.     value: true,
  190.     kind: OptionKind.API
  191.   },
  192.   maxImageSize: {
  193.     value: -1,
  194.     kind: OptionKind.API
  195.   },
  196.   pdfBug: {
  197.     value: false,
  198.     kind: OptionKind.API
  199.   },
  200.   verbosity: {
  201.     value: 1,
  202.     kind: OptionKind.API
  203.   },
  204.   workerPort: {
  205.     value: null,
  206.     kind: OptionKind.WORKER
  207.   },
  208.   workerSrc: {
  209.     value: "../build/pdf.worker.js",
  210.     kind: OptionKind.WORKER
  211.   }
  212. };
  213. {
  214.   defaultOptions.disablePreferences = {
  215.     value: false,
  216.     kind: OptionKind.VIEWER
  217.   };
  218.   defaultOptions.locale = {
  219.     value: typeof navigator !== "undefined" ? navigator.language : "en-US",
  220.     kind: OptionKind.VIEWER
  221.   };
  222.   defaultOptions.sandboxBundleSrc = {
  223.     value: "../build/pdf.sandbox.js",
  224.     kind: OptionKind.VIEWER
  225.   };
  226. }
  227. const userOptions = Object.create(null);
  228.  
  229. class AppOptions {
  230.   constructor() {
  231.     throw new Error("Cannot initialize AppOptions.");
  232.   }
  233.  
  234.   static get(name) {
  235.     const userOption = userOptions[name];
  236.  
  237.     if (userOption !== undefined) {
  238.       return userOption;
  239.     }
  240.  
  241.     const defaultOption = defaultOptions[name];
  242.  
  243.     if (defaultOption !== undefined) {
  244.       return defaultOption.compatibility ?? defaultOption.value;
  245.     }
  246.  
  247.     return undefined;
  248.   }
  249.  
  250.   static getAll(kind = null) {
  251.     const options = Object.create(null);
  252.  
  253.     for (const name in defaultOptions) {
  254.       const defaultOption = defaultOptions[name];
  255.  
  256.       if (kind) {
  257.         if ((kind & defaultOption.kind) === 0) {
  258.           continue;
  259.         }
  260.  
  261.         if (kind === OptionKind.PREFERENCE) {
  262.           const value = defaultOption.value,
  263.                 valueType = typeof value;
  264.  
  265.           if (valueType === "boolean" || valueType === "string" || valueType === "number" && Number.isInteger(value)) {
  266.             options[name] = value;
  267.             continue;
  268.           }
  269.  
  270.           throw new Error(`Invalid type for preference: ${name}`);
  271.         }
  272.       }
  273.  
  274.       const userOption = userOptions[name];
  275.       options[name] = userOption !== undefined ? userOption : defaultOption.compatibility ?? defaultOption.value;
  276.     }
  277.  
  278.     return options;
  279.   }
  280.  
  281.   static set(name, value) {
  282.     userOptions[name] = value;
  283.   }
  284.  
  285.   static setAll(options) {
  286.     for (const name in options) {
  287.       userOptions[name] = options[name];
  288.     }
  289.   }
  290.  
  291.   static remove(name) {
  292.     delete userOptions[name];
  293.   }
  294.  
  295. }
  296.  
  297. exports.AppOptions = AppOptions;
  298.  
  299. /***/ }),
  300. /* 2 */
  301. /***/ ((__unused_webpack_module, exports) => {
  302.  
  303.  
  304.  
  305. Object.defineProperty(exports, "__esModule", ({
  306.   value: true
  307. }));
  308. exports.viewerCompatibilityParams = void 0;
  309. const compatibilityParams = Object.create(null);
  310. {
  311.   const userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
  312.   const platform = typeof navigator !== "undefined" && navigator.platform || "";
  313.   const maxTouchPoints = typeof navigator !== "undefined" && navigator.maxTouchPoints || 1;
  314.   const isAndroid = /Android/.test(userAgent);
  315.   const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
  316.   const isIOSChrome = /CriOS/.test(userAgent);
  317.  
  318.   (function checkOnBlobSupport() {
  319.     if (isIOSChrome) {
  320.       compatibilityParams.disableCreateObjectURL = true;
  321.     }
  322.   })();
  323.  
  324.   (function checkCanvasSizeLimitation() {
  325.     if (isIOS || isAndroid) {
  326.       compatibilityParams.maxCanvasPixels = 5242880;
  327.     }
  328.   })();
  329. }
  330. const viewerCompatibilityParams = Object.freeze(compatibilityParams);
  331. exports.viewerCompatibilityParams = viewerCompatibilityParams;
  332.  
  333. /***/ }),
  334. /* 3 */
  335. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  336.  
  337.  
  338.  
  339. Object.defineProperty(exports, "__esModule", ({
  340.   value: true
  341. }));
  342. exports.PDFViewerApplication = exports.PDFPrintServiceFactory = exports.DefaultExternalServices = void 0;
  343.  
  344. var _ui_utils = __webpack_require__(4);
  345.  
  346. var _app_options = __webpack_require__(1);
  347.  
  348. var _pdfjsLib = __webpack_require__(5);
  349.  
  350. var _pdf_cursor_tools = __webpack_require__(6);
  351.  
  352. var _pdf_rendering_queue = __webpack_require__(8);
  353.  
  354. var _overlay_manager = __webpack_require__(9);
  355.  
  356. var _password_prompt = __webpack_require__(10);
  357.  
  358. var _pdf_attachment_viewer = __webpack_require__(11);
  359.  
  360. var _pdf_document_properties = __webpack_require__(13);
  361.  
  362. var _pdf_find_bar = __webpack_require__(14);
  363.  
  364. var _pdf_find_controller = __webpack_require__(15);
  365.  
  366. var _pdf_history = __webpack_require__(17);
  367.  
  368. var _pdf_layer_viewer = __webpack_require__(18);
  369.  
  370. var _pdf_link_service = __webpack_require__(19);
  371.  
  372. var _pdf_outline_viewer = __webpack_require__(20);
  373.  
  374. var _pdf_presentation_mode = __webpack_require__(21);
  375.  
  376. var _pdf_scripting_manager = __webpack_require__(22);
  377.  
  378. var _pdf_sidebar = __webpack_require__(23);
  379.  
  380. var _pdf_sidebar_resizer = __webpack_require__(24);
  381.  
  382. var _pdf_thumbnail_viewer = __webpack_require__(25);
  383.  
  384. var _pdf_viewer = __webpack_require__(27);
  385.  
  386. var _secondary_toolbar = __webpack_require__(34);
  387.  
  388. var _toolbar = __webpack_require__(36);
  389.  
  390. var _viewer_compatibility = __webpack_require__(2);
  391.  
  392. var _view_history = __webpack_require__(37);
  393.  
  394. const DEFAULT_SCALE_DELTA = 1.1;
  395. const DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
  396. const FORCE_PAGES_LOADED_TIMEOUT = 10000;
  397. const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000;
  398. const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
  399. const ViewOnLoad = {
  400.   UNKNOWN: -1,
  401.   PREVIOUS: 0,
  402.   INITIAL: 1
  403. };
  404. const ViewerCssTheme = {
  405.   AUTOMATIC: 0,
  406.   LIGHT: 1,
  407.   DARK: 2
  408. };
  409. const KNOWN_VERSIONS = ["1.0", "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "1.9", "2.0", "2.1", "2.2", "2.3"];
  410. const KNOWN_GENERATORS = ["acrobat distiller", "acrobat pdfwriter", "adobe livecycle", "adobe pdf library", "adobe photoshop", "ghostscript", "tcpdf", "cairo", "dvipdfm", "dvips", "pdftex", "pdfkit", "itext", "prince", "quarkxpress", "mac os x", "microsoft", "openoffice", "oracle", "luradocument", "pdf-xchange", "antenna house", "aspose.cells", "fpdf"];
  411.  
  412. class DefaultExternalServices {
  413.   constructor() {
  414.     throw new Error("Cannot initialize DefaultExternalServices.");
  415.   }
  416.  
  417.   static updateFindControlState(data) {}
  418.  
  419.   static updateFindMatchesCount(data) {}
  420.  
  421.   static initPassiveLoading(callbacks) {}
  422.  
  423.   static async fallback(data) {}
  424.  
  425.   static reportTelemetry(data) {}
  426.  
  427.   static createDownloadManager(options) {
  428.     throw new Error("Not implemented: createDownloadManager");
  429.   }
  430.  
  431.   static createPreferences() {
  432.     throw new Error("Not implemented: createPreferences");
  433.   }
  434.  
  435.   static createL10n(options) {
  436.     throw new Error("Not implemented: createL10n");
  437.   }
  438.  
  439.   static createScripting(options) {
  440.     throw new Error("Not implemented: createScripting");
  441.   }
  442.  
  443.   static get supportsIntegratedFind() {
  444.     return (0, _pdfjsLib.shadow)(this, "supportsIntegratedFind", false);
  445.   }
  446.  
  447.   static get supportsDocumentFonts() {
  448.     return (0, _pdfjsLib.shadow)(this, "supportsDocumentFonts", true);
  449.   }
  450.  
  451.   static get supportedMouseWheelZoomModifierKeys() {
  452.     return (0, _pdfjsLib.shadow)(this, "supportedMouseWheelZoomModifierKeys", {
  453.       ctrlKey: true,
  454.       metaKey: true
  455.     });
  456.   }
  457.  
  458.   static get isInAutomation() {
  459.     return (0, _pdfjsLib.shadow)(this, "isInAutomation", false);
  460.   }
  461.  
  462. }
  463.  
  464. exports.DefaultExternalServices = DefaultExternalServices;
  465. const PDFViewerApplication = {
  466.   initialBookmark: document.location.hash.substring(1),
  467.   _initializedCapability: (0, _pdfjsLib.createPromiseCapability)(),
  468.   fellback: false,
  469.   appConfig: null,
  470.   pdfDocument: null,
  471.   pdfLoadingTask: null,
  472.   printService: null,
  473.   pdfViewer: null,
  474.   pdfThumbnailViewer: null,
  475.   pdfRenderingQueue: null,
  476.   pdfPresentationMode: null,
  477.   pdfDocumentProperties: null,
  478.   pdfLinkService: null,
  479.   pdfHistory: null,
  480.   pdfSidebar: null,
  481.   pdfSidebarResizer: null,
  482.   pdfOutlineViewer: null,
  483.   pdfAttachmentViewer: null,
  484.   pdfLayerViewer: null,
  485.   pdfCursorTools: null,
  486.   pdfScriptingManager: null,
  487.   store: null,
  488.   downloadManager: null,
  489.   overlayManager: null,
  490.   preferences: null,
  491.   toolbar: null,
  492.   secondaryToolbar: null,
  493.   eventBus: null,
  494.   l10n: null,
  495.   isInitialViewSet: false,
  496.   downloadComplete: false,
  497.   isViewerEmbedded: window.parent !== window,
  498.   url: "",
  499.   baseUrl: "",
  500.   externalServices: DefaultExternalServices,
  501.   _boundEvents: Object.create(null),
  502.   documentInfo: null,
  503.   metadata: null,
  504.   _contentDispositionFilename: null,
  505.   _contentLength: null,
  506.   triggerDelayedFallback: null,
  507.   _saveInProgress: false,
  508.   _wheelUnusedTicks: 0,
  509.   _idleCallbacks: new Set(),
  510.  
  511.   async initialize(appConfig) {
  512.     this.preferences = this.externalServices.createPreferences();
  513.     this.appConfig = appConfig;
  514.     await this._readPreferences();
  515.     await this._parseHashParameters();
  516.  
  517.     this._forceCssTheme();
  518.  
  519.     await this._initializeL10n();
  520.  
  521.     if (this.isViewerEmbedded && _app_options.AppOptions.get("externalLinkTarget") === _pdfjsLib.LinkTarget.NONE) {
  522.       _app_options.AppOptions.set("externalLinkTarget", _pdfjsLib.LinkTarget.TOP);
  523.     }
  524.  
  525.     await this._initializeViewerComponents();
  526.     this.bindEvents();
  527.     this.bindWindowEvents();
  528.     const appContainer = appConfig.appContainer || document.documentElement;
  529.     this.l10n.translate(appContainer).then(() => {
  530.       this.eventBus.dispatch("localized", {
  531.         source: this
  532.       });
  533.     });
  534.  
  535.     this._initializedCapability.resolve();
  536.   },
  537.  
  538.   async _readPreferences() {
  539.     if (_app_options.AppOptions.get("disablePreferences")) {
  540.       return;
  541.     }
  542.  
  543.     try {
  544.       _app_options.AppOptions.setAll(await this.preferences.getAll());
  545.     } catch (reason) {
  546.       console.error(`_readPreferences: "${reason?.message}".`);
  547.     }
  548.   },
  549.  
  550.   async _parseHashParameters() {
  551.     if (!_app_options.AppOptions.get("pdfBugEnabled")) {
  552.       return undefined;
  553.     }
  554.  
  555.     const hash = document.location.hash.substring(1);
  556.  
  557.     if (!hash) {
  558.       return undefined;
  559.     }
  560.  
  561.     const hashParams = (0, _ui_utils.parseQueryString)(hash),
  562.           waitOn = [];
  563.  
  564.     if ("disableworker" in hashParams && hashParams.disableworker === "true") {
  565.       waitOn.push(loadFakeWorker());
  566.     }
  567.  
  568.     if ("disablerange" in hashParams) {
  569.       _app_options.AppOptions.set("disableRange", hashParams.disablerange === "true");
  570.     }
  571.  
  572.     if ("disablestream" in hashParams) {
  573.       _app_options.AppOptions.set("disableStream", hashParams.disablestream === "true");
  574.     }
  575.  
  576.     if ("disableautofetch" in hashParams) {
  577.       _app_options.AppOptions.set("disableAutoFetch", hashParams.disableautofetch === "true");
  578.     }
  579.  
  580.     if ("disablefontface" in hashParams) {
  581.       _app_options.AppOptions.set("disableFontFace", hashParams.disablefontface === "true");
  582.     }
  583.  
  584.     if ("disablehistory" in hashParams) {
  585.       _app_options.AppOptions.set("disableHistory", hashParams.disablehistory === "true");
  586.     }
  587.  
  588.     if ("webgl" in hashParams) {
  589.       _app_options.AppOptions.set("enableWebGL", hashParams.webgl === "true");
  590.     }
  591.  
  592.     if ("verbosity" in hashParams) {
  593.       _app_options.AppOptions.set("verbosity", hashParams.verbosity | 0);
  594.     }
  595.  
  596.     if ("textlayer" in hashParams) {
  597.       switch (hashParams.textlayer) {
  598.         case "off":
  599.           _app_options.AppOptions.set("textLayerMode", _ui_utils.TextLayerMode.DISABLE);
  600.  
  601.           break;
  602.  
  603.         case "visible":
  604.         case "shadow":
  605.         case "hover":
  606.           const viewer = this.appConfig.viewerContainer;
  607.           viewer.classList.add("textLayer-" + hashParams.textlayer);
  608.           break;
  609.       }
  610.     }
  611.  
  612.     if ("pdfbug" in hashParams) {
  613.       _app_options.AppOptions.set("pdfBug", true);
  614.  
  615.       _app_options.AppOptions.set("fontExtraProperties", true);
  616.  
  617.       const enabled = hashParams.pdfbug.split(",");
  618.       waitOn.push(loadAndEnablePDFBug(enabled));
  619.     }
  620.  
  621.     if ("locale" in hashParams) {
  622.       _app_options.AppOptions.set("locale", hashParams.locale);
  623.     }
  624.  
  625.     if (waitOn.length === 0) {
  626.       return undefined;
  627.     }
  628.  
  629.     return Promise.all(waitOn).catch(reason => {
  630.       console.error(`_parseHashParameters: "${reason.message}".`);
  631.     });
  632.   },
  633.  
  634.   async _initializeL10n() {
  635.     this.l10n = this.externalServices.createL10n({
  636.       locale: _app_options.AppOptions.get("locale")
  637.     });
  638.     const dir = await this.l10n.getDirection();
  639.     document.getElementsByTagName("html")[0].dir = dir;
  640.   },
  641.  
  642.   _forceCssTheme() {
  643.     const cssTheme = _app_options.AppOptions.get("viewerCssTheme");
  644.  
  645.     if (cssTheme === ViewerCssTheme.AUTOMATIC || !Object.values(ViewerCssTheme).includes(cssTheme)) {
  646.       return;
  647.     }
  648.  
  649.     try {
  650.       const styleSheet = document.styleSheets[0];
  651.       const cssRules = styleSheet?.cssRules || [];
  652.  
  653.       for (let i = 0, ii = cssRules.length; i < ii; i++) {
  654.         const rule = cssRules[i];
  655.  
  656.         if (rule instanceof CSSMediaRule && rule.media?.[0] === "(prefers-color-scheme: dark)") {
  657.           if (cssTheme === ViewerCssTheme.LIGHT) {
  658.             styleSheet.deleteRule(i);
  659.             return;
  660.           }
  661.  
  662.           const darkRules = /^@media \(prefers-color-scheme: dark\) {\n\s*([\w\s-.,:;/\\{}()]+)\n}$/.exec(rule.cssText);
  663.  
  664.           if (darkRules?.[1]) {
  665.             styleSheet.deleteRule(i);
  666.             styleSheet.insertRule(darkRules[1], i);
  667.           }
  668.  
  669.           return;
  670.         }
  671.       }
  672.     } catch (reason) {
  673.       console.error(`_forceCssTheme: "${reason?.message}".`);
  674.     }
  675.   },
  676.  
  677.   async _initializeViewerComponents() {
  678.     const appConfig = this.appConfig;
  679.     const eventBus = appConfig.eventBus || new _ui_utils.EventBus({
  680.       isInAutomation: this.externalServices.isInAutomation
  681.     });
  682.     this.eventBus = eventBus;
  683.     this.overlayManager = new _overlay_manager.OverlayManager();
  684.     const pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
  685.     pdfRenderingQueue.onIdle = this._cleanup.bind(this);
  686.     this.pdfRenderingQueue = pdfRenderingQueue;
  687.     const pdfLinkService = new _pdf_link_service.PDFLinkService({
  688.       eventBus,
  689.       externalLinkTarget: _app_options.AppOptions.get("externalLinkTarget"),
  690.       externalLinkRel: _app_options.AppOptions.get("externalLinkRel"),
  691.       ignoreDestinationZoom: _app_options.AppOptions.get("ignoreDestinationZoom")
  692.     });
  693.     this.pdfLinkService = pdfLinkService;
  694.     const downloadManager = this.externalServices.createDownloadManager();
  695.     this.downloadManager = downloadManager;
  696.     const findController = new _pdf_find_controller.PDFFindController({
  697.       linkService: pdfLinkService,
  698.       eventBus
  699.     });
  700.     this.findController = findController;
  701.     const pdfScriptingManager = new _pdf_scripting_manager.PDFScriptingManager({
  702.       eventBus,
  703.       sandboxBundleSrc: _app_options.AppOptions.get("sandboxBundleSrc"),
  704.       scriptingFactory: this.externalServices,
  705.       docPropertiesLookup: this._scriptingDocProperties.bind(this)
  706.     });
  707.     this.pdfScriptingManager = pdfScriptingManager;
  708.     const container = appConfig.mainContainer;
  709.     const viewer = appConfig.viewerContainer;
  710.     this.pdfViewer = new _pdf_viewer.PDFViewer({
  711.       container,
  712.       viewer,
  713.       eventBus,
  714.       renderingQueue: pdfRenderingQueue,
  715.       linkService: pdfLinkService,
  716.       downloadManager,
  717.       findController,
  718.       scriptingManager: pdfScriptingManager,
  719.       renderer: _app_options.AppOptions.get("renderer"),
  720.       enableWebGL: _app_options.AppOptions.get("enableWebGL"),
  721.       l10n: this.l10n,
  722.       textLayerMode: _app_options.AppOptions.get("textLayerMode"),
  723.       imageResourcesPath: _app_options.AppOptions.get("imageResourcesPath"),
  724.       renderInteractiveForms: _app_options.AppOptions.get("renderInteractiveForms"),
  725.       enablePrintAutoRotate: _app_options.AppOptions.get("enablePrintAutoRotate"),
  726.       useOnlyCssZoom: _app_options.AppOptions.get("useOnlyCssZoom"),
  727.       maxCanvasPixels: _app_options.AppOptions.get("maxCanvasPixels"),
  728.       enableScripting: _app_options.AppOptions.get("enableScripting")
  729.     });
  730.     pdfRenderingQueue.setViewer(this.pdfViewer);
  731.     pdfLinkService.setViewer(this.pdfViewer);
  732.     pdfScriptingManager.setViewer(this.pdfViewer);
  733.     this.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
  734.       container: appConfig.sidebar.thumbnailView,
  735.       eventBus,
  736.       renderingQueue: pdfRenderingQueue,
  737.       linkService: pdfLinkService,
  738.       l10n: this.l10n
  739.     });
  740.     pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
  741.     this.pdfHistory = new _pdf_history.PDFHistory({
  742.       linkService: pdfLinkService,
  743.       eventBus
  744.     });
  745.     pdfLinkService.setHistory(this.pdfHistory);
  746.  
  747.     if (!this.supportsIntegratedFind) {
  748.       this.findBar = new _pdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n);
  749.     }
  750.  
  751.     this.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n);
  752.     this.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
  753.       container,
  754.       eventBus,
  755.       cursorToolOnLoad: _app_options.AppOptions.get("cursorToolOnLoad")
  756.     });
  757.     this.toolbar = new _toolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n);
  758.     this.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
  759.  
  760.     if (this.supportsFullscreen) {
  761.       this.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
  762.         container,
  763.         pdfViewer: this.pdfViewer,
  764.         eventBus
  765.       });
  766.     }
  767.  
  768.     this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n, this.isViewerEmbedded);
  769.     this.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
  770.       container: appConfig.sidebar.outlineView,
  771.       eventBus,
  772.       linkService: pdfLinkService
  773.     });
  774.     this.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
  775.       container: appConfig.sidebar.attachmentsView,
  776.       eventBus,
  777.       downloadManager
  778.     });
  779.     this.pdfLayerViewer = new _pdf_layer_viewer.PDFLayerViewer({
  780.       container: appConfig.sidebar.layersView,
  781.       eventBus,
  782.       l10n: this.l10n
  783.     });
  784.     this.pdfSidebar = new _pdf_sidebar.PDFSidebar({
  785.       elements: appConfig.sidebar,
  786.       pdfViewer: this.pdfViewer,
  787.       pdfThumbnailViewer: this.pdfThumbnailViewer,
  788.       eventBus,
  789.       l10n: this.l10n
  790.     });
  791.     this.pdfSidebar.onToggled = this.forceRendering.bind(this);
  792.     this.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, this.l10n);
  793.   },
  794.  
  795.   run(config) {
  796.     this.initialize(config).then(webViewerInitialized);
  797.   },
  798.  
  799.   get initialized() {
  800.     return this._initializedCapability.settled;
  801.   },
  802.  
  803.   get initializedPromise() {
  804.     return this._initializedCapability.promise;
  805.   },
  806.  
  807.   zoomIn(ticks) {
  808.     if (this.pdfViewer.isInPresentationMode) {
  809.       return;
  810.     }
  811.  
  812.     let newScale = this.pdfViewer.currentScale;
  813.  
  814.     do {
  815.       newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
  816.       newScale = Math.ceil(newScale * 10) / 10;
  817.       newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
  818.     } while (--ticks > 0 && newScale < _ui_utils.MAX_SCALE);
  819.  
  820.     this.pdfViewer.currentScaleValue = newScale;
  821.   },
  822.  
  823.   zoomOut(ticks) {
  824.     if (this.pdfViewer.isInPresentationMode) {
  825.       return;
  826.     }
  827.  
  828.     let newScale = this.pdfViewer.currentScale;
  829.  
  830.     do {
  831.       newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
  832.       newScale = Math.floor(newScale * 10) / 10;
  833.       newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
  834.     } while (--ticks > 0 && newScale > _ui_utils.MIN_SCALE);
  835.  
  836.     this.pdfViewer.currentScaleValue = newScale;
  837.   },
  838.  
  839.   zoomReset() {
  840.     if (this.pdfViewer.isInPresentationMode) {
  841.       return;
  842.     }
  843.  
  844.     this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
  845.   },
  846.  
  847.   get pagesCount() {
  848.     return this.pdfDocument ? this.pdfDocument.numPages : 0;
  849.   },
  850.  
  851.   get page() {
  852.     return this.pdfViewer.currentPageNumber;
  853.   },
  854.  
  855.   set page(val) {
  856.     this.pdfViewer.currentPageNumber = val;
  857.   },
  858.  
  859.   get supportsPrinting() {
  860.     return PDFPrintServiceFactory.instance.supportsPrinting;
  861.   },
  862.  
  863.   get supportsFullscreen() {
  864.     const doc = document.documentElement;
  865.     let support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen);
  866.  
  867.     if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false) {
  868.       support = false;
  869.     }
  870.  
  871.     return (0, _pdfjsLib.shadow)(this, "supportsFullscreen", support);
  872.   },
  873.  
  874.   get supportsIntegratedFind() {
  875.     return this.externalServices.supportsIntegratedFind;
  876.   },
  877.  
  878.   get supportsDocumentFonts() {
  879.     return this.externalServices.supportsDocumentFonts;
  880.   },
  881.  
  882.   get loadingBar() {
  883.     const bar = new _ui_utils.ProgressBar("#loadingBar");
  884.     return (0, _pdfjsLib.shadow)(this, "loadingBar", bar);
  885.   },
  886.  
  887.   get supportedMouseWheelZoomModifierKeys() {
  888.     return this.externalServices.supportedMouseWheelZoomModifierKeys;
  889.   },
  890.  
  891.   initPassiveLoading() {
  892.     throw new Error("Not implemented: initPassiveLoading");
  893.   },
  894.  
  895.   setTitleUsingUrl(url = "") {
  896.     this.url = url;
  897.     this.baseUrl = url.split("#")[0];
  898.     let title = (0, _pdfjsLib.getPdfFilenameFromUrl)(url, "");
  899.  
  900.     if (!title) {
  901.       try {
  902.         title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url;
  903.       } catch (ex) {
  904.         title = url;
  905.       }
  906.     }
  907.  
  908.     this.setTitle(title);
  909.   },
  910.  
  911.   setTitle(title) {
  912.     if (this.isViewerEmbedded) {
  913.       return;
  914.     }
  915.  
  916.     document.title = title;
  917.   },
  918.  
  919.   get _docFilename() {
  920.     return this._contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(this.url);
  921.   },
  922.  
  923.   _cancelIdleCallbacks() {
  924.     if (!this._idleCallbacks.size) {
  925.       return;
  926.     }
  927.  
  928.     for (const callback of this._idleCallbacks) {
  929.       window.cancelIdleCallback(callback);
  930.     }
  931.  
  932.     this._idleCallbacks.clear();
  933.   },
  934.  
  935.   async close() {
  936.     this._unblockDocumentLoadEvent();
  937.  
  938.     const {
  939.       container
  940.     } = this.appConfig.errorWrapper;
  941.     container.hidden = true;
  942.  
  943.     if (!this.pdfLoadingTask) {
  944.       return;
  945.     }
  946.  
  947.     if (this.pdfDocument?.annotationStorage.size > 0 && this._annotationStorageModified) {
  948.       try {
  949.         await this.save({
  950.           sourceEventType: "save"
  951.         });
  952.       } catch (reason) {}
  953.     }
  954.  
  955.     const promises = [];
  956.     promises.push(this.pdfLoadingTask.destroy());
  957.     this.pdfLoadingTask = null;
  958.  
  959.     if (this.pdfDocument) {
  960.       this.pdfDocument = null;
  961.       this.pdfThumbnailViewer.setDocument(null);
  962.       this.pdfViewer.setDocument(null);
  963.       this.pdfLinkService.setDocument(null);
  964.       this.pdfDocumentProperties.setDocument(null);
  965.     }
  966.  
  967.     webViewerResetPermissions();
  968.     this.store = null;
  969.     this.isInitialViewSet = false;
  970.     this.downloadComplete = false;
  971.     this.url = "";
  972.     this.baseUrl = "";
  973.     this.documentInfo = null;
  974.     this.metadata = null;
  975.     this._contentDispositionFilename = null;
  976.     this._contentLength = null;
  977.     this.triggerDelayedFallback = null;
  978.     this._saveInProgress = false;
  979.  
  980.     this._cancelIdleCallbacks();
  981.  
  982.     promises.push(this.pdfScriptingManager.destroyPromise);
  983.     this.pdfSidebar.reset();
  984.     this.pdfOutlineViewer.reset();
  985.     this.pdfAttachmentViewer.reset();
  986.     this.pdfLayerViewer.reset();
  987.  
  988.     if (this.pdfHistory) {
  989.       this.pdfHistory.reset();
  990.     }
  991.  
  992.     if (this.findBar) {
  993.       this.findBar.reset();
  994.     }
  995.  
  996.     this.toolbar.reset();
  997.     this.secondaryToolbar.reset();
  998.  
  999.     if (typeof PDFBug !== "undefined") {
  1000.       PDFBug.cleanup();
  1001.     }
  1002.  
  1003.     await Promise.all(promises);
  1004.   },
  1005.  
  1006.   async open(file, args) {
  1007.     if (this.pdfLoadingTask) {
  1008.       await this.close();
  1009.     }
  1010.  
  1011.     const workerParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.WORKER);
  1012.  
  1013.     for (const key in workerParameters) {
  1014.       _pdfjsLib.GlobalWorkerOptions[key] = workerParameters[key];
  1015.     }
  1016.  
  1017.     const parameters = Object.create(null);
  1018.  
  1019.     if (typeof file === "string") {
  1020.       this.setTitleUsingUrl(file);
  1021.       parameters.url = file;
  1022.     } else if (file && "byteLength" in file) {
  1023.       parameters.data = file;
  1024.     } else if (file.url && file.originalUrl) {
  1025.       this.setTitleUsingUrl(file.originalUrl);
  1026.       parameters.url = file.url;
  1027.     }
  1028.  
  1029.     const apiParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.API);
  1030.  
  1031.     for (const key in apiParameters) {
  1032.       let value = apiParameters[key];
  1033.  
  1034.       if (key === "docBaseUrl" && !value) {}
  1035.  
  1036.       parameters[key] = value;
  1037.     }
  1038.  
  1039.     if (args) {
  1040.       for (const key in args) {
  1041.         parameters[key] = args[key];
  1042.       }
  1043.     }
  1044.  
  1045.     const loadingTask = (0, _pdfjsLib.getDocument)(parameters);
  1046.     this.pdfLoadingTask = loadingTask;
  1047.  
  1048.     loadingTask.onPassword = (updateCallback, reason) => {
  1049.       this.pdfLinkService.externalLinkEnabled = false;
  1050.       this.passwordPrompt.setUpdateCallback(updateCallback, reason);
  1051.       this.passwordPrompt.open();
  1052.     };
  1053.  
  1054.     loadingTask.onProgress = ({
  1055.       loaded,
  1056.       total
  1057.     }) => {
  1058.       this.progress(loaded / total);
  1059.     };
  1060.  
  1061.     loadingTask.onUnsupportedFeature = this.fallback.bind(this);
  1062.     return loadingTask.promise.then(pdfDocument => {
  1063.       this.load(pdfDocument);
  1064.     }, exception => {
  1065.       if (loadingTask !== this.pdfLoadingTask) {
  1066.         return undefined;
  1067.       }
  1068.  
  1069.       let key = "loading_error";
  1070.  
  1071.       if (exception instanceof _pdfjsLib.InvalidPDFException) {
  1072.         key = "invalid_file_error";
  1073.       } else if (exception instanceof _pdfjsLib.MissingPDFException) {
  1074.         key = "missing_file_error";
  1075.       } else if (exception instanceof _pdfjsLib.UnexpectedResponseException) {
  1076.         key = "unexpected_response_error";
  1077.       }
  1078.  
  1079.       return this.l10n.get(key).then(msg => {
  1080.         this._documentError(msg, {
  1081.           message: exception?.message
  1082.         });
  1083.  
  1084.         throw exception;
  1085.       });
  1086.     });
  1087.   },
  1088.  
  1089.   _ensureDownloadComplete() {
  1090.     if (this.pdfDocument && this.downloadComplete) {
  1091.       return;
  1092.     }
  1093.  
  1094.     throw new Error("PDF document not downloaded.");
  1095.   },
  1096.  
  1097.   async download({
  1098.     sourceEventType = "download"
  1099.   } = {}) {
  1100.     const url = this.baseUrl,
  1101.           filename = this._docFilename;
  1102.  
  1103.     try {
  1104.       this._ensureDownloadComplete();
  1105.  
  1106.       const data = await this.pdfDocument.getData();
  1107.       const blob = new Blob([data], {
  1108.         type: "application/pdf"
  1109.       });
  1110.       await this.downloadManager.download(blob, url, filename, sourceEventType);
  1111.     } catch (reason) {
  1112.       await this.downloadManager.downloadUrl(url, filename);
  1113.     }
  1114.   },
  1115.  
  1116.   async save({
  1117.     sourceEventType = "download"
  1118.   } = {}) {
  1119.     if (this._saveInProgress) {
  1120.       return;
  1121.     }
  1122.  
  1123.     this._saveInProgress = true;
  1124.     await this.pdfScriptingManager.dispatchWillSave();
  1125.     const url = this.baseUrl,
  1126.           filename = this._docFilename;
  1127.  
  1128.     try {
  1129.       this._ensureDownloadComplete();
  1130.  
  1131.       const data = await this.pdfDocument.saveDocument(this.pdfDocument.annotationStorage);
  1132.       const blob = new Blob([data], {
  1133.         type: "application/pdf"
  1134.       });
  1135.       await this.downloadManager.download(blob, url, filename, sourceEventType);
  1136.     } catch (reason) {
  1137.       await this.download({
  1138.         sourceEventType
  1139.       });
  1140.     } finally {
  1141.       await this.pdfScriptingManager.dispatchDidSave();
  1142.       this._saveInProgress = false;
  1143.     }
  1144.   },
  1145.  
  1146.   downloadOrSave(options) {
  1147.     if (this.pdfDocument?.annotationStorage.size > 0) {
  1148.       this.save(options);
  1149.     } else {
  1150.       this.download(options);
  1151.     }
  1152.   },
  1153.  
  1154.   _delayedFallback(featureId) {
  1155.     this.externalServices.reportTelemetry({
  1156.       type: "unsupportedFeature",
  1157.       featureId
  1158.     });
  1159.  
  1160.     if (!this.triggerDelayedFallback) {
  1161.       this.triggerDelayedFallback = () => {
  1162.         this.fallback(featureId);
  1163.         this.triggerDelayedFallback = null;
  1164.       };
  1165.     }
  1166.   },
  1167.  
  1168.   fallback(featureId) {
  1169.     this.externalServices.reportTelemetry({
  1170.       type: "unsupportedFeature",
  1171.       featureId
  1172.     });
  1173.  
  1174.     switch (featureId) {
  1175.       case _pdfjsLib.UNSUPPORTED_FEATURES.errorFontLoadNative:
  1176.       case _pdfjsLib.UNSUPPORTED_FEATURES.errorFontMissing:
  1177.         return;
  1178.     }
  1179.  
  1180.     if (this.fellback) {
  1181.       return;
  1182.     }
  1183.  
  1184.     this.fellback = true;
  1185.     this.externalServices.fallback({
  1186.       featureId,
  1187.       url: this.baseUrl
  1188.     }).then(download => {
  1189.       if (!download) {
  1190.         return;
  1191.       }
  1192.  
  1193.       this.download({
  1194.         sourceEventType: "download"
  1195.       });
  1196.     });
  1197.   },
  1198.  
  1199.   _documentError(message, moreInfo = null) {
  1200.     this._unblockDocumentLoadEvent();
  1201.  
  1202.     this._otherError(message, moreInfo);
  1203.   },
  1204.  
  1205.   _otherError(message, moreInfo = null) {
  1206.     const moreInfoText = [this.l10n.get("error_version_info", {
  1207.       version: _pdfjsLib.version || "?",
  1208.       build: _pdfjsLib.build || "?"
  1209.     })];
  1210.  
  1211.     if (moreInfo) {
  1212.       moreInfoText.push(this.l10n.get("error_message", {
  1213.         message: moreInfo.message
  1214.       }));
  1215.  
  1216.       if (moreInfo.stack) {
  1217.         moreInfoText.push(this.l10n.get("error_stack", {
  1218.           stack: moreInfo.stack
  1219.         }));
  1220.       } else {
  1221.         if (moreInfo.filename) {
  1222.           moreInfoText.push(this.l10n.get("error_file", {
  1223.             file: moreInfo.filename
  1224.           }));
  1225.         }
  1226.  
  1227.         if (moreInfo.lineNumber) {
  1228.           moreInfoText.push(this.l10n.get("error_line", {
  1229.             line: moreInfo.lineNumber
  1230.           }));
  1231.         }
  1232.       }
  1233.     }
  1234.  
  1235.     const errorWrapperConfig = this.appConfig.errorWrapper;
  1236.     const errorWrapper = errorWrapperConfig.container;
  1237.     errorWrapper.hidden = false;
  1238.     const errorMessage = errorWrapperConfig.errorMessage;
  1239.     errorMessage.textContent = message;
  1240.     const closeButton = errorWrapperConfig.closeButton;
  1241.  
  1242.     closeButton.onclick = function () {
  1243.       errorWrapper.hidden = true;
  1244.     };
  1245.  
  1246.     const errorMoreInfo = errorWrapperConfig.errorMoreInfo;
  1247.     const moreInfoButton = errorWrapperConfig.moreInfoButton;
  1248.     const lessInfoButton = errorWrapperConfig.lessInfoButton;
  1249.  
  1250.     moreInfoButton.onclick = function () {
  1251.       errorMoreInfo.hidden = false;
  1252.       moreInfoButton.hidden = true;
  1253.       lessInfoButton.hidden = false;
  1254.       errorMoreInfo.style.height = errorMoreInfo.scrollHeight + "px";
  1255.     };
  1256.  
  1257.     lessInfoButton.onclick = function () {
  1258.       errorMoreInfo.hidden = true;
  1259.       moreInfoButton.hidden = false;
  1260.       lessInfoButton.hidden = true;
  1261.     };
  1262.  
  1263.     moreInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
  1264.     lessInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
  1265.     closeButton.oncontextmenu = _ui_utils.noContextMenuHandler;
  1266.     moreInfoButton.hidden = false;
  1267.     lessInfoButton.hidden = true;
  1268.     Promise.all(moreInfoText).then(parts => {
  1269.       errorMoreInfo.value = parts.join("\n");
  1270.     });
  1271.   },
  1272.  
  1273.   progress(level) {
  1274.     if (this.downloadComplete) {
  1275.       return;
  1276.     }
  1277.  
  1278.     const percent = Math.round(level * 100);
  1279.  
  1280.     if (percent > this.loadingBar.percent || isNaN(percent)) {
  1281.       this.loadingBar.percent = percent;
  1282.       const disableAutoFetch = this.pdfDocument ? this.pdfDocument.loadingParams.disableAutoFetch : _app_options.AppOptions.get("disableAutoFetch");
  1283.  
  1284.       if (disableAutoFetch && percent) {
  1285.         if (this.disableAutoFetchLoadingBarTimeout) {
  1286.           clearTimeout(this.disableAutoFetchLoadingBarTimeout);
  1287.           this.disableAutoFetchLoadingBarTimeout = null;
  1288.         }
  1289.  
  1290.         this.loadingBar.show();
  1291.         this.disableAutoFetchLoadingBarTimeout = setTimeout(() => {
  1292.           this.loadingBar.hide();
  1293.           this.disableAutoFetchLoadingBarTimeout = null;
  1294.         }, DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
  1295.       }
  1296.     }
  1297.   },
  1298.  
  1299.   load(pdfDocument) {
  1300.     this.pdfDocument = pdfDocument;
  1301.     pdfDocument.getDownloadInfo().then(({
  1302.       length
  1303.     }) => {
  1304.       this._contentLength = length;
  1305.       this.downloadComplete = true;
  1306.       this.loadingBar.hide();
  1307.       firstPagePromise.then(() => {
  1308.         this.eventBus.dispatch("documentloaded", {
  1309.           source: this
  1310.         });
  1311.       });
  1312.     });
  1313.     const pageLayoutPromise = pdfDocument.getPageLayout().catch(function () {});
  1314.     const pageModePromise = pdfDocument.getPageMode().catch(function () {});
  1315.     const openActionPromise = pdfDocument.getOpenAction().catch(function () {});
  1316.     this.toolbar.setPagesCount(pdfDocument.numPages, false);
  1317.     this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
  1318.     let baseDocumentUrl;
  1319.     baseDocumentUrl = null;
  1320.     this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
  1321.     this.pdfDocumentProperties.setDocument(pdfDocument, this.url);
  1322.     const pdfViewer = this.pdfViewer;
  1323.     pdfViewer.setDocument(pdfDocument);
  1324.     const {
  1325.       firstPagePromise,
  1326.       onePageRendered,
  1327.       pagesPromise
  1328.     } = pdfViewer;
  1329.     const pdfThumbnailViewer = this.pdfThumbnailViewer;
  1330.     pdfThumbnailViewer.setDocument(pdfDocument);
  1331.     const storedPromise = (this.store = new _view_history.ViewHistory(pdfDocument.fingerprint)).getMultiple({
  1332.       page: null,
  1333.       zoom: _ui_utils.DEFAULT_SCALE_VALUE,
  1334.       scrollLeft: "0",
  1335.       scrollTop: "0",
  1336.       rotation: null,
  1337.       sidebarView: _ui_utils.SidebarView.UNKNOWN,
  1338.       scrollMode: _ui_utils.ScrollMode.UNKNOWN,
  1339.       spreadMode: _ui_utils.SpreadMode.UNKNOWN
  1340.     }).catch(() => {
  1341.       return Object.create(null);
  1342.     });
  1343.     firstPagePromise.then(pdfPage => {
  1344.       this.loadingBar.setWidth(this.appConfig.viewerContainer);
  1345.  
  1346.       this._initializeAnnotationStorageCallbacks(pdfDocument);
  1347.  
  1348.       Promise.all([_ui_utils.animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => {
  1349.         const viewOnLoad = _app_options.AppOptions.get("viewOnLoad");
  1350.  
  1351.         this._initializePdfHistory({
  1352.           fingerprint: pdfDocument.fingerprint,
  1353.           viewOnLoad,
  1354.           initialDest: openAction?.dest
  1355.         });
  1356.  
  1357.         const initialBookmark = this.initialBookmark;
  1358.  
  1359.         const zoom = _app_options.AppOptions.get("defaultZoomValue");
  1360.  
  1361.         let hash = zoom ? `zoom=${zoom}` : null;
  1362.         let rotation = null;
  1363.  
  1364.         let sidebarView = _app_options.AppOptions.get("sidebarViewOnLoad");
  1365.  
  1366.         let scrollMode = _app_options.AppOptions.get("scrollModeOnLoad");
  1367.  
  1368.         let spreadMode = _app_options.AppOptions.get("spreadModeOnLoad");
  1369.  
  1370.         if (stored.page && viewOnLoad !== ViewOnLoad.INITIAL) {
  1371.           hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`;
  1372.           rotation = parseInt(stored.rotation, 10);
  1373.  
  1374.           if (sidebarView === _ui_utils.SidebarView.UNKNOWN) {
  1375.             sidebarView = stored.sidebarView | 0;
  1376.           }
  1377.  
  1378.           if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) {
  1379.             scrollMode = stored.scrollMode | 0;
  1380.           }
  1381.  
  1382.           if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
  1383.             spreadMode = stored.spreadMode | 0;
  1384.           }
  1385.         }
  1386.  
  1387.         if (pageMode && sidebarView === _ui_utils.SidebarView.UNKNOWN) {
  1388.           sidebarView = (0, _ui_utils.apiPageModeToSidebarView)(pageMode);
  1389.         }
  1390.  
  1391.         if (pageLayout && spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
  1392.           spreadMode = (0, _ui_utils.apiPageLayoutToSpreadMode)(pageLayout);
  1393.         }
  1394.  
  1395.         this.setInitialView(hash, {
  1396.           rotation,
  1397.           sidebarView,
  1398.           scrollMode,
  1399.           spreadMode
  1400.         });
  1401.         this.eventBus.dispatch("documentinit", {
  1402.           source: this
  1403.         });
  1404.  
  1405.         if (!this.isViewerEmbedded) {
  1406.           pdfViewer.focus();
  1407.         }
  1408.  
  1409.         this._initializePermissions(pdfDocument);
  1410.  
  1411.         await Promise.race([pagesPromise, new Promise(resolve => {
  1412.           setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
  1413.         })]);
  1414.  
  1415.         if (!initialBookmark && !hash) {
  1416.           return;
  1417.         }
  1418.  
  1419.         if (pdfViewer.hasEqualPageSizes) {
  1420.           return;
  1421.         }
  1422.  
  1423.         this.initialBookmark = initialBookmark;
  1424.         pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
  1425.         this.setInitialView(hash);
  1426.       }).catch(() => {
  1427.         this.setInitialView();
  1428.       }).then(function () {
  1429.         pdfViewer.update();
  1430.       });
  1431.     });
  1432.     pagesPromise.then(() => {
  1433.       this._unblockDocumentLoadEvent();
  1434.  
  1435.       this._initializeAutoPrint(pdfDocument, openActionPromise);
  1436.     });
  1437.     onePageRendered.then(() => {
  1438.       pdfDocument.getOutline().then(outline => {
  1439.         this.pdfOutlineViewer.render({
  1440.           outline,
  1441.           pdfDocument
  1442.         });
  1443.       });
  1444.       pdfDocument.getAttachments().then(attachments => {
  1445.         this.pdfAttachmentViewer.render({
  1446.           attachments
  1447.         });
  1448.       });
  1449.       pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => {
  1450.         this.pdfLayerViewer.render({
  1451.           optionalContentConfig,
  1452.           pdfDocument
  1453.         });
  1454.       });
  1455.  
  1456.       if ("requestIdleCallback" in window) {
  1457.         const callback = window.requestIdleCallback(() => {
  1458.           this._collectTelemetry(pdfDocument);
  1459.  
  1460.           this._idleCallbacks.delete(callback);
  1461.         }, {
  1462.           timeout: 1000
  1463.         });
  1464.  
  1465.         this._idleCallbacks.add(callback);
  1466.       }
  1467.     });
  1468.  
  1469.     this._initializePageLabels(pdfDocument);
  1470.  
  1471.     this._initializeMetadata(pdfDocument);
  1472.   },
  1473.  
  1474.   async _scriptingDocProperties(pdfDocument) {
  1475.     if (!this.documentInfo) {
  1476.       await new Promise(resolve => {
  1477.         this.eventBus._on("metadataloaded", resolve, {
  1478.           once: true
  1479.         });
  1480.       });
  1481.  
  1482.       if (pdfDocument !== this.pdfDocument) {
  1483.         return null;
  1484.       }
  1485.     }
  1486.  
  1487.     if (!this._contentLength) {
  1488.       await new Promise(resolve => {
  1489.         this.eventBus._on("documentloaded", resolve, {
  1490.           once: true
  1491.         });
  1492.       });
  1493.  
  1494.       if (pdfDocument !== this.pdfDocument) {
  1495.         return null;
  1496.       }
  1497.     }
  1498.  
  1499.     return { ...this.documentInfo,
  1500.       baseURL: this.baseUrl,
  1501.       filesize: this._contentLength,
  1502.       filename: this._docFilename,
  1503.       metadata: this.metadata?.getRaw(),
  1504.       authors: this.metadata?.get("dc:creator"),
  1505.       numPages: this.pagesCount,
  1506.       URL: this.url
  1507.     };
  1508.   },
  1509.  
  1510.   async _collectTelemetry(pdfDocument) {
  1511.     const markInfo = await this.pdfDocument.getMarkInfo();
  1512.  
  1513.     if (pdfDocument !== this.pdfDocument) {
  1514.       return;
  1515.     }
  1516.  
  1517.     const tagged = markInfo?.Marked || false;
  1518.     this.externalServices.reportTelemetry({
  1519.       type: "tagged",
  1520.       tagged
  1521.     });
  1522.   },
  1523.  
  1524.   async _initializeAutoPrint(pdfDocument, openActionPromise) {
  1525.     const [openAction, javaScript] = await Promise.all([openActionPromise, !this.pdfViewer.enableScripting ? pdfDocument.getJavaScript() : null]);
  1526.  
  1527.     if (pdfDocument !== this.pdfDocument) {
  1528.       return;
  1529.     }
  1530.  
  1531.     let triggerAutoPrint = false;
  1532.  
  1533.     if (openAction?.action === "Print") {
  1534.       triggerAutoPrint = true;
  1535.     }
  1536.  
  1537.     if (javaScript) {
  1538.       javaScript.some(js => {
  1539.         if (!js) {
  1540.           return false;
  1541.         }
  1542.  
  1543.         console.warn("Warning: JavaScript is not supported");
  1544.  
  1545.         this._delayedFallback(_pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
  1546.  
  1547.         return true;
  1548.       });
  1549.  
  1550.       if (!triggerAutoPrint) {
  1551.         for (const js of javaScript) {
  1552.           if (js && _ui_utils.AutoPrintRegExp.test(js)) {
  1553.             triggerAutoPrint = true;
  1554.             break;
  1555.           }
  1556.         }
  1557.       }
  1558.     }
  1559.  
  1560.     if (triggerAutoPrint) {
  1561.       this.triggerPrinting();
  1562.     }
  1563.   },
  1564.  
  1565.   async _initializeMetadata(pdfDocument) {
  1566.     const {
  1567.       info,
  1568.       metadata,
  1569.       contentDispositionFilename,
  1570.       contentLength
  1571.     } = await pdfDocument.getMetadata();
  1572.  
  1573.     if (pdfDocument !== this.pdfDocument) {
  1574.       return;
  1575.     }
  1576.  
  1577.     this.documentInfo = info;
  1578.     this.metadata = metadata;
  1579.     this._contentDispositionFilename ?? (this._contentDispositionFilename = contentDispositionFilename);
  1580.     this._contentLength ?? (this._contentLength = contentLength);
  1581.     console.log(`PDF ${pdfDocument.fingerprint} [${info.PDFFormatVersion} ` + `${(info.Producer || "-").trim()} / ${(info.Creator || "-").trim()}] ` + `(PDF.js: ${_pdfjsLib.version || "-"}` + `${this.pdfViewer.enableWebGL ? " [WebGL]" : ""})`);
  1582.     let pdfTitle = info?.Title;
  1583.     const metadataTitle = metadata?.get("dc:title");
  1584.  
  1585.     if (metadataTitle) {
  1586.       if (metadataTitle !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) {
  1587.         pdfTitle = metadataTitle;
  1588.       }
  1589.     }
  1590.  
  1591.     if (pdfTitle) {
  1592.       this.setTitle(`${pdfTitle} - ${contentDispositionFilename || document.title}`);
  1593.     } else if (contentDispositionFilename) {
  1594.       this.setTitle(contentDispositionFilename);
  1595.     }
  1596.  
  1597.     if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) {
  1598.       console.warn("Warning: XFA is not supported");
  1599.  
  1600.       this._delayedFallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms);
  1601.     } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderInteractiveForms) {
  1602.       console.warn("Warning: Interactive form support is not enabled");
  1603.  
  1604.       this._delayedFallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms);
  1605.     }
  1606.  
  1607.     let versionId = "other";
  1608.  
  1609.     if (KNOWN_VERSIONS.includes(info.PDFFormatVersion)) {
  1610.       versionId = `v${info.PDFFormatVersion.replace(".", "_")}`;
  1611.     }
  1612.  
  1613.     let generatorId = "other";
  1614.  
  1615.     if (info.Producer) {
  1616.       const producer = info.Producer.toLowerCase();
  1617.       KNOWN_GENERATORS.some(function (generator) {
  1618.         if (!producer.includes(generator)) {
  1619.           return false;
  1620.         }
  1621.  
  1622.         generatorId = generator.replace(/[ .-]/g, "_");
  1623.         return true;
  1624.       });
  1625.     }
  1626.  
  1627.     let formType = null;
  1628.  
  1629.     if (info.IsXFAPresent) {
  1630.       formType = "xfa";
  1631.     } else if (info.IsAcroFormPresent) {
  1632.       formType = "acroform";
  1633.     }
  1634.  
  1635.     this.externalServices.reportTelemetry({
  1636.       type: "documentInfo",
  1637.       version: versionId,
  1638.       generator: generatorId,
  1639.       formType
  1640.     });
  1641.     this.eventBus.dispatch("metadataloaded", {
  1642.       source: this
  1643.     });
  1644.   },
  1645.  
  1646.   async _initializePageLabels(pdfDocument) {
  1647.     const labels = await pdfDocument.getPageLabels();
  1648.  
  1649.     if (pdfDocument !== this.pdfDocument) {
  1650.       return;
  1651.     }
  1652.  
  1653.     if (!labels || _app_options.AppOptions.get("disablePageLabels")) {
  1654.       return;
  1655.     }
  1656.  
  1657.     const numLabels = labels.length;
  1658.  
  1659.     if (numLabels !== this.pagesCount) {
  1660.       console.error("The number of Page Labels does not match the number of pages in the document.");
  1661.       return;
  1662.     }
  1663.  
  1664.     let i = 0;
  1665.  
  1666.     while (i < numLabels && labels[i] === (i + 1).toString()) {
  1667.       i++;
  1668.     }
  1669.  
  1670.     if (i === numLabels) {
  1671.       return;
  1672.     }
  1673.  
  1674.     const {
  1675.       pdfViewer,
  1676.       pdfThumbnailViewer,
  1677.       toolbar
  1678.     } = this;
  1679.     pdfViewer.setPageLabels(labels);
  1680.     pdfThumbnailViewer.setPageLabels(labels);
  1681.     toolbar.setPagesCount(numLabels, true);
  1682.     toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
  1683.   },
  1684.  
  1685.   _initializePdfHistory({
  1686.     fingerprint,
  1687.     viewOnLoad,
  1688.     initialDest = null
  1689.   }) {
  1690.     if (this.isViewerEmbedded || _app_options.AppOptions.get("disableHistory")) {
  1691.       return;
  1692.     }
  1693.  
  1694.     this.pdfHistory.initialize({
  1695.       fingerprint,
  1696.       resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
  1697.       updateUrl: _app_options.AppOptions.get("historyUpdateUrl")
  1698.     });
  1699.  
  1700.     if (this.pdfHistory.initialBookmark) {
  1701.       this.initialBookmark = this.pdfHistory.initialBookmark;
  1702.       this.initialRotation = this.pdfHistory.initialRotation;
  1703.     }
  1704.  
  1705.     if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) {
  1706.       this.initialBookmark = JSON.stringify(initialDest);
  1707.       this.pdfHistory.push({
  1708.         explicitDest: initialDest,
  1709.         pageNumber: null
  1710.       });
  1711.     }
  1712.   },
  1713.  
  1714.   async _initializePermissions(pdfDocument) {
  1715.     const permissions = await pdfDocument.getPermissions();
  1716.  
  1717.     if (pdfDocument !== this.pdfDocument) {
  1718.       return;
  1719.     }
  1720.  
  1721.     if (!permissions || !_app_options.AppOptions.get("enablePermissions")) {
  1722.       return;
  1723.     }
  1724.  
  1725.     if (!permissions.includes(_pdfjsLib.PermissionFlag.COPY)) {
  1726.       this.appConfig.viewerContainer.classList.add(ENABLE_PERMISSIONS_CLASS);
  1727.     }
  1728.   },
  1729.  
  1730.   _initializeAnnotationStorageCallbacks(pdfDocument) {
  1731.     if (pdfDocument !== this.pdfDocument) {
  1732.       return;
  1733.     }
  1734.  
  1735.     const {
  1736.       annotationStorage
  1737.     } = pdfDocument;
  1738.  
  1739.     annotationStorage.onSetModified = () => {
  1740.       window.addEventListener("beforeunload", beforeUnload);
  1741.       this._annotationStorageModified = true;
  1742.     };
  1743.  
  1744.     annotationStorage.onResetModified = () => {
  1745.       window.removeEventListener("beforeunload", beforeUnload);
  1746.       delete this._annotationStorageModified;
  1747.     };
  1748.   },
  1749.  
  1750.   setInitialView(storedHash, {
  1751.     rotation,
  1752.     sidebarView,
  1753.     scrollMode,
  1754.     spreadMode
  1755.   } = {}) {
  1756.     const setRotation = angle => {
  1757.       if ((0, _ui_utils.isValidRotation)(angle)) {
  1758.         this.pdfViewer.pagesRotation = angle;
  1759.       }
  1760.     };
  1761.  
  1762.     const setViewerModes = (scroll, spread) => {
  1763.       if ((0, _ui_utils.isValidScrollMode)(scroll)) {
  1764.         this.pdfViewer.scrollMode = scroll;
  1765.       }
  1766.  
  1767.       if ((0, _ui_utils.isValidSpreadMode)(spread)) {
  1768.         this.pdfViewer.spreadMode = spread;
  1769.       }
  1770.     };
  1771.  
  1772.     this.isInitialViewSet = true;
  1773.     this.pdfSidebar.setInitialView(sidebarView);
  1774.     setViewerModes(scrollMode, spreadMode);
  1775.  
  1776.     if (this.initialBookmark) {
  1777.       setRotation(this.initialRotation);
  1778.       delete this.initialRotation;
  1779.       this.pdfLinkService.setHash(this.initialBookmark);
  1780.       this.initialBookmark = null;
  1781.     } else if (storedHash) {
  1782.       setRotation(rotation);
  1783.       this.pdfLinkService.setHash(storedHash);
  1784.     }
  1785.  
  1786.     this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
  1787.     this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
  1788.  
  1789.     if (!this.pdfViewer.currentScaleValue) {
  1790.       this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
  1791.     }
  1792.   },
  1793.  
  1794.   _cleanup() {
  1795.     if (!this.pdfDocument) {
  1796.       return;
  1797.     }
  1798.  
  1799.     this.pdfViewer.cleanup();
  1800.     this.pdfThumbnailViewer.cleanup();
  1801.     this.pdfDocument.cleanup(this.pdfViewer.renderer === _ui_utils.RendererType.SVG);
  1802.   },
  1803.  
  1804.   forceRendering() {
  1805.     this.pdfRenderingQueue.printing = !!this.printService;
  1806.     this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
  1807.     this.pdfRenderingQueue.renderHighestPriority();
  1808.   },
  1809.  
  1810.   beforePrint() {
  1811.     this.pdfScriptingManager.dispatchWillPrint();
  1812.  
  1813.     if (this.printService) {
  1814.       return;
  1815.     }
  1816.  
  1817.     if (!this.supportsPrinting) {
  1818.       this.l10n.get("printing_not_supported").then(msg => {
  1819.         this._otherError(msg);
  1820.       });
  1821.       return;
  1822.     }
  1823.  
  1824.     if (!this.pdfViewer.pageViewsReady) {
  1825.       this.l10n.get("printing_not_ready").then(msg => {
  1826.         window.alert(msg);
  1827.       });
  1828.       return;
  1829.     }
  1830.  
  1831.     const pagesOverview = this.pdfViewer.getPagesOverview();
  1832.     const printContainer = this.appConfig.printContainer;
  1833.  
  1834.     const printResolution = _app_options.AppOptions.get("printResolution");
  1835.  
  1836.     const optionalContentConfigPromise = this.pdfViewer.optionalContentConfigPromise;
  1837.     const printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, this.l10n);
  1838.     this.printService = printService;
  1839.     this.forceRendering();
  1840.     printService.layout();
  1841.     this.externalServices.reportTelemetry({
  1842.       type: "print"
  1843.     });
  1844.   },
  1845.  
  1846.   afterPrint() {
  1847.     this.pdfScriptingManager.dispatchDidPrint();
  1848.  
  1849.     if (this.printService) {
  1850.       this.printService.destroy();
  1851.       this.printService = null;
  1852.  
  1853.       if (this.pdfDocument) {
  1854.         this.pdfDocument.annotationStorage.resetModified();
  1855.       }
  1856.     }
  1857.  
  1858.     this.forceRendering();
  1859.   },
  1860.  
  1861.   rotatePages(delta) {
  1862.     this.pdfViewer.pagesRotation += delta;
  1863.   },
  1864.  
  1865.   requestPresentationMode() {
  1866.     if (!this.pdfPresentationMode) {
  1867.       return;
  1868.     }
  1869.  
  1870.     this.pdfPresentationMode.request();
  1871.   },
  1872.  
  1873.   triggerPrinting() {
  1874.     if (!this.supportsPrinting) {
  1875.       return;
  1876.     }
  1877.  
  1878.     window.print();
  1879.   },
  1880.  
  1881.   bindEvents() {
  1882.     const {
  1883.       eventBus,
  1884.       _boundEvents
  1885.     } = this;
  1886.     _boundEvents.beforePrint = this.beforePrint.bind(this);
  1887.     _boundEvents.afterPrint = this.afterPrint.bind(this);
  1888.  
  1889.     eventBus._on("resize", webViewerResize);
  1890.  
  1891.     eventBus._on("hashchange", webViewerHashchange);
  1892.  
  1893.     eventBus._on("beforeprint", _boundEvents.beforePrint);
  1894.  
  1895.     eventBus._on("afterprint", _boundEvents.afterPrint);
  1896.  
  1897.     eventBus._on("pagerendered", webViewerPageRendered);
  1898.  
  1899.     eventBus._on("updateviewarea", webViewerUpdateViewarea);
  1900.  
  1901.     eventBus._on("pagechanging", webViewerPageChanging);
  1902.  
  1903.     eventBus._on("scalechanging", webViewerScaleChanging);
  1904.  
  1905.     eventBus._on("rotationchanging", webViewerRotationChanging);
  1906.  
  1907.     eventBus._on("sidebarviewchanged", webViewerSidebarViewChanged);
  1908.  
  1909.     eventBus._on("pagemode", webViewerPageMode);
  1910.  
  1911.     eventBus._on("namedaction", webViewerNamedAction);
  1912.  
  1913.     eventBus._on("presentationmodechanged", webViewerPresentationModeChanged);
  1914.  
  1915.     eventBus._on("presentationmode", webViewerPresentationMode);
  1916.  
  1917.     eventBus._on("print", webViewerPrint);
  1918.  
  1919.     eventBus._on("download", webViewerDownload);
  1920.  
  1921.     eventBus._on("save", webViewerSave);
  1922.  
  1923.     eventBus._on("firstpage", webViewerFirstPage);
  1924.  
  1925.     eventBus._on("lastpage", webViewerLastPage);
  1926.  
  1927.     eventBus._on("nextpage", webViewerNextPage);
  1928.  
  1929.     eventBus._on("previouspage", webViewerPreviousPage);
  1930.  
  1931.     eventBus._on("zoomin", webViewerZoomIn);
  1932.  
  1933.     eventBus._on("zoomout", webViewerZoomOut);
  1934.  
  1935.     eventBus._on("zoomreset", webViewerZoomReset);
  1936.  
  1937.     eventBus._on("pagenumberchanged", webViewerPageNumberChanged);
  1938.  
  1939.     eventBus._on("scalechanged", webViewerScaleChanged);
  1940.  
  1941.     eventBus._on("rotatecw", webViewerRotateCw);
  1942.  
  1943.     eventBus._on("rotateccw", webViewerRotateCcw);
  1944.  
  1945.     eventBus._on("optionalcontentconfig", webViewerOptionalContentConfig);
  1946.  
  1947.     eventBus._on("switchscrollmode", webViewerSwitchScrollMode);
  1948.  
  1949.     eventBus._on("scrollmodechanged", webViewerScrollModeChanged);
  1950.  
  1951.     eventBus._on("switchspreadmode", webViewerSwitchSpreadMode);
  1952.  
  1953.     eventBus._on("spreadmodechanged", webViewerSpreadModeChanged);
  1954.  
  1955.     eventBus._on("documentproperties", webViewerDocumentProperties);
  1956.  
  1957.     eventBus._on("find", webViewerFind);
  1958.  
  1959.     eventBus._on("findfromurlhash", webViewerFindFromUrlHash);
  1960.  
  1961.     eventBus._on("updatefindmatchescount", webViewerUpdateFindMatchesCount);
  1962.  
  1963.     eventBus._on("updatefindcontrolstate", webViewerUpdateFindControlState);
  1964.  
  1965.     if (_app_options.AppOptions.get("pdfBug")) {
  1966.       _boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug;
  1967.  
  1968.       eventBus._on("pagerendered", _boundEvents.reportPageStatsPDFBug);
  1969.  
  1970.       eventBus._on("pagechanging", _boundEvents.reportPageStatsPDFBug);
  1971.     }
  1972.  
  1973.     eventBus._on("fileinputchange", webViewerFileInputChange);
  1974.  
  1975.     eventBus._on("openfile", webViewerOpenFile);
  1976.   },
  1977.  
  1978.   bindWindowEvents() {
  1979.     const {
  1980.       eventBus,
  1981.       _boundEvents
  1982.     } = this;
  1983.  
  1984.     _boundEvents.windowResize = () => {
  1985.       eventBus.dispatch("resize", {
  1986.         source: window
  1987.       });
  1988.     };
  1989.  
  1990.     _boundEvents.windowHashChange = () => {
  1991.       eventBus.dispatch("hashchange", {
  1992.         source: window,
  1993.         hash: document.location.hash.substring(1)
  1994.       });
  1995.     };
  1996.  
  1997.     _boundEvents.windowBeforePrint = () => {
  1998.       eventBus.dispatch("beforeprint", {
  1999.         source: window
  2000.       });
  2001.     };
  2002.  
  2003.     _boundEvents.windowAfterPrint = () => {
  2004.       eventBus.dispatch("afterprint", {
  2005.         source: window
  2006.       });
  2007.     };
  2008.  
  2009.     _boundEvents.windowUpdateFromSandbox = event => {
  2010.       eventBus.dispatch("updatefromsandbox", {
  2011.         source: window,
  2012.         detail: event.detail
  2013.       });
  2014.     };
  2015.  
  2016.     window.addEventListener("visibilitychange", webViewerVisibilityChange);
  2017.     window.addEventListener("wheel", webViewerWheel, {
  2018.       passive: false
  2019.     });
  2020.     window.addEventListener("touchstart", webViewerTouchStart, {
  2021.       passive: false
  2022.     });
  2023.     window.addEventListener("click", webViewerClick);
  2024.     window.addEventListener("keydown", webViewerKeyDown);
  2025.     window.addEventListener("keyup", webViewerKeyUp);
  2026.     window.addEventListener("resize", _boundEvents.windowResize);
  2027.     window.addEventListener("hashchange", _boundEvents.windowHashChange);
  2028.     window.addEventListener("beforeprint", _boundEvents.windowBeforePrint);
  2029.     window.addEventListener("afterprint", _boundEvents.windowAfterPrint);
  2030.     window.addEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox);
  2031.   },
  2032.  
  2033.   unbindEvents() {
  2034.     const {
  2035.       eventBus,
  2036.       _boundEvents
  2037.     } = this;
  2038.  
  2039.     eventBus._off("resize", webViewerResize);
  2040.  
  2041.     eventBus._off("hashchange", webViewerHashchange);
  2042.  
  2043.     eventBus._off("beforeprint", _boundEvents.beforePrint);
  2044.  
  2045.     eventBus._off("afterprint", _boundEvents.afterPrint);
  2046.  
  2047.     eventBus._off("pagerendered", webViewerPageRendered);
  2048.  
  2049.     eventBus._off("updateviewarea", webViewerUpdateViewarea);
  2050.  
  2051.     eventBus._off("pagechanging", webViewerPageChanging);
  2052.  
  2053.     eventBus._off("scalechanging", webViewerScaleChanging);
  2054.  
  2055.     eventBus._off("rotationchanging", webViewerRotationChanging);
  2056.  
  2057.     eventBus._off("sidebarviewchanged", webViewerSidebarViewChanged);
  2058.  
  2059.     eventBus._off("pagemode", webViewerPageMode);
  2060.  
  2061.     eventBus._off("namedaction", webViewerNamedAction);
  2062.  
  2063.     eventBus._off("presentationmodechanged", webViewerPresentationModeChanged);
  2064.  
  2065.     eventBus._off("presentationmode", webViewerPresentationMode);
  2066.  
  2067.     eventBus._off("print", webViewerPrint);
  2068.  
  2069.     eventBus._off("download", webViewerDownload);
  2070.  
  2071.     eventBus._off("save", webViewerSave);
  2072.  
  2073.     eventBus._off("firstpage", webViewerFirstPage);
  2074.  
  2075.     eventBus._off("lastpage", webViewerLastPage);
  2076.  
  2077.     eventBus._off("nextpage", webViewerNextPage);
  2078.  
  2079.     eventBus._off("previouspage", webViewerPreviousPage);
  2080.  
  2081.     eventBus._off("zoomin", webViewerZoomIn);
  2082.  
  2083.     eventBus._off("zoomout", webViewerZoomOut);
  2084.  
  2085.     eventBus._off("zoomreset", webViewerZoomReset);
  2086.  
  2087.     eventBus._off("pagenumberchanged", webViewerPageNumberChanged);
  2088.  
  2089.     eventBus._off("scalechanged", webViewerScaleChanged);
  2090.  
  2091.     eventBus._off("rotatecw", webViewerRotateCw);
  2092.  
  2093.     eventBus._off("rotateccw", webViewerRotateCcw);
  2094.  
  2095.     eventBus._off("optionalcontentconfig", webViewerOptionalContentConfig);
  2096.  
  2097.     eventBus._off("switchscrollmode", webViewerSwitchScrollMode);
  2098.  
  2099.     eventBus._off("scrollmodechanged", webViewerScrollModeChanged);
  2100.  
  2101.     eventBus._off("switchspreadmode", webViewerSwitchSpreadMode);
  2102.  
  2103.     eventBus._off("spreadmodechanged", webViewerSpreadModeChanged);
  2104.  
  2105.     eventBus._off("documentproperties", webViewerDocumentProperties);
  2106.  
  2107.     eventBus._off("find", webViewerFind);
  2108.  
  2109.     eventBus._off("findfromurlhash", webViewerFindFromUrlHash);
  2110.  
  2111.     eventBus._off("updatefindmatchescount", webViewerUpdateFindMatchesCount);
  2112.  
  2113.     eventBus._off("updatefindcontrolstate", webViewerUpdateFindControlState);
  2114.  
  2115.     if (_boundEvents.reportPageStatsPDFBug) {
  2116.       eventBus._off("pagerendered", _boundEvents.reportPageStatsPDFBug);
  2117.  
  2118.       eventBus._off("pagechanging", _boundEvents.reportPageStatsPDFBug);
  2119.  
  2120.       _boundEvents.reportPageStatsPDFBug = null;
  2121.     }
  2122.  
  2123.     eventBus._off("fileinputchange", webViewerFileInputChange);
  2124.  
  2125.     eventBus._off("openfile", webViewerOpenFile);
  2126.  
  2127.     _boundEvents.beforePrint = null;
  2128.     _boundEvents.afterPrint = null;
  2129.   },
  2130.  
  2131.   unbindWindowEvents() {
  2132.     const {
  2133.       _boundEvents
  2134.     } = this;
  2135.     window.removeEventListener("visibilitychange", webViewerVisibilityChange);
  2136.     window.removeEventListener("wheel", webViewerWheel, {
  2137.       passive: false
  2138.     });
  2139.     window.removeEventListener("touchstart", webViewerTouchStart, {
  2140.       passive: false
  2141.     });
  2142.     window.removeEventListener("click", webViewerClick);
  2143.     window.removeEventListener("keydown", webViewerKeyDown);
  2144.     window.removeEventListener("keyup", webViewerKeyUp);
  2145.     window.removeEventListener("resize", _boundEvents.windowResize);
  2146.     window.removeEventListener("hashchange", _boundEvents.windowHashChange);
  2147.     window.removeEventListener("beforeprint", _boundEvents.windowBeforePrint);
  2148.     window.removeEventListener("afterprint", _boundEvents.windowAfterPrint);
  2149.     window.removeEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox);
  2150.     _boundEvents.windowResize = null;
  2151.     _boundEvents.windowHashChange = null;
  2152.     _boundEvents.windowBeforePrint = null;
  2153.     _boundEvents.windowAfterPrint = null;
  2154.     _boundEvents.windowUpdateFromSandbox = null;
  2155.   },
  2156.  
  2157.   accumulateWheelTicks(ticks) {
  2158.     if (this._wheelUnusedTicks > 0 && ticks < 0 || this._wheelUnusedTicks < 0 && ticks > 0) {
  2159.       this._wheelUnusedTicks = 0;
  2160.     }
  2161.  
  2162.     this._wheelUnusedTicks += ticks;
  2163.     const wholeTicks = Math.sign(this._wheelUnusedTicks) * Math.floor(Math.abs(this._wheelUnusedTicks));
  2164.     this._wheelUnusedTicks -= wholeTicks;
  2165.     return wholeTicks;
  2166.   },
  2167.  
  2168.   _unblockDocumentLoadEvent() {
  2169.     if (document.blockUnblockOnload) {
  2170.       document.blockUnblockOnload(false);
  2171.     }
  2172.  
  2173.     this._unblockDocumentLoadEvent = () => {};
  2174.   },
  2175.  
  2176.   get scriptingReady() {
  2177.     return this.pdfScriptingManager.ready;
  2178.   }
  2179.  
  2180. };
  2181. exports.PDFViewerApplication = PDFViewerApplication;
  2182. let validateFileURL;
  2183. {
  2184.   const HOSTED_VIEWER_ORIGINS = ["null", "http://mozilla.github.io", "https://mozilla.github.io"];
  2185.  
  2186.   validateFileURL = function (file) {
  2187.     if (file === undefined) {
  2188.       return;
  2189.     }
  2190.  
  2191.     try {
  2192.       const viewerOrigin = new URL(window.location.href).origin || "null";
  2193.  
  2194.       if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
  2195.         return;
  2196.       }
  2197.  
  2198.       const {
  2199.         origin,
  2200.         protocol
  2201.       } = new URL(file, window.location.href);
  2202.  
  2203.       if (origin !== viewerOrigin && protocol !== "blob:") {
  2204.         throw new Error("file origin does not match viewer's");
  2205.       }
  2206.     } catch (ex) {
  2207.       PDFViewerApplication.l10n.get("loading_error").then(msg => {
  2208.         PDFViewerApplication._documentError(msg, {
  2209.           message: ex?.message
  2210.         });
  2211.       });
  2212.       throw ex;
  2213.     }
  2214.   };
  2215. }
  2216.  
  2217. async function loadFakeWorker() {
  2218.   if (!_pdfjsLib.GlobalWorkerOptions.workerSrc) {
  2219.     _pdfjsLib.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get("workerSrc");
  2220.   }
  2221.  
  2222.   return (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.getWorkerSrc());
  2223. }
  2224.  
  2225. function loadAndEnablePDFBug(enabledTabs) {
  2226.   const appConfig = PDFViewerApplication.appConfig;
  2227.   return (0, _pdfjsLib.loadScript)(appConfig.debuggerScriptPath).then(function () {
  2228.     PDFBug.enable(enabledTabs);
  2229.     PDFBug.init({
  2230.       OPS: _pdfjsLib.OPS
  2231.     }, appConfig.mainContainer);
  2232.   });
  2233. }
  2234.  
  2235. function reportPageStatsPDFBug({
  2236.   pageNumber
  2237. }) {
  2238.   if (typeof Stats === "undefined" || !Stats.enabled) {
  2239.     return;
  2240.   }
  2241.  
  2242.   const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1);
  2243.   const pageStats = pageView?.pdfPage?.stats;
  2244.  
  2245.   if (!pageStats) {
  2246.     return;
  2247.   }
  2248.  
  2249.   Stats.add(pageNumber, pageStats);
  2250. }
  2251.  
  2252. function webViewerInitialized() {
  2253.   const appConfig = PDFViewerApplication.appConfig;
  2254.   let file;
  2255.   const queryString = document.location.search.substring(1);
  2256.   const params = (0, _ui_utils.parseQueryString)(queryString);
  2257.   file = "file" in params ? params.file : _app_options.AppOptions.get("defaultUrl");
  2258.   validateFileURL(file);
  2259.   const fileInput = document.createElement("input");
  2260.   fileInput.id = appConfig.openFileInputName;
  2261.   fileInput.className = "fileInput";
  2262.   fileInput.setAttribute("type", "file");
  2263.   fileInput.oncontextmenu = _ui_utils.noContextMenuHandler;
  2264.   document.body.appendChild(fileInput);
  2265.  
  2266.   if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
  2267.     appConfig.toolbar.openFile.hidden = true;
  2268.     appConfig.secondaryToolbar.openFileButton.hidden = true;
  2269.   } else {
  2270.     fileInput.value = null;
  2271.   }
  2272.  
  2273.   fileInput.addEventListener("change", function (evt) {
  2274.     const files = evt.target.files;
  2275.  
  2276.     if (!files || files.length === 0) {
  2277.       return;
  2278.     }
  2279.  
  2280.     PDFViewerApplication.eventBus.dispatch("fileinputchange", {
  2281.       source: this,
  2282.       fileInput: evt.target
  2283.     });
  2284.   });
  2285.   appConfig.mainContainer.addEventListener("dragover", function (evt) {
  2286.     evt.preventDefault();
  2287.     evt.dataTransfer.dropEffect = "move";
  2288.   });
  2289.   appConfig.mainContainer.addEventListener("drop", function (evt) {
  2290.     evt.preventDefault();
  2291.     const files = evt.dataTransfer.files;
  2292.  
  2293.     if (!files || files.length === 0) {
  2294.       return;
  2295.     }
  2296.  
  2297.     PDFViewerApplication.eventBus.dispatch("fileinputchange", {
  2298.       source: this,
  2299.       fileInput: evt.dataTransfer
  2300.     });
  2301.   });
  2302.  
  2303.   if (!PDFViewerApplication.supportsDocumentFonts) {
  2304.     _app_options.AppOptions.set("disableFontFace", true);
  2305.  
  2306.     PDFViewerApplication.l10n.get("web_fonts_disabled").then(msg => {
  2307.       console.warn(msg);
  2308.     });
  2309.   }
  2310.  
  2311.   if (!PDFViewerApplication.supportsPrinting) {
  2312.     appConfig.toolbar.print.classList.add("hidden");
  2313.     appConfig.secondaryToolbar.printButton.classList.add("hidden");
  2314.   }
  2315.  
  2316.   if (!PDFViewerApplication.supportsFullscreen) {
  2317.     appConfig.toolbar.presentationModeButton.classList.add("hidden");
  2318.     appConfig.secondaryToolbar.presentationModeButton.classList.add("hidden");
  2319.   }
  2320.  
  2321.   if (PDFViewerApplication.supportsIntegratedFind) {
  2322.     appConfig.toolbar.viewFind.classList.add("hidden");
  2323.   }
  2324.  
  2325.   appConfig.mainContainer.addEventListener("transitionend", function (evt) {
  2326.     if (evt.target === this) {
  2327.       PDFViewerApplication.eventBus.dispatch("resize", {
  2328.         source: this
  2329.       });
  2330.     }
  2331.   }, true);
  2332.  
  2333.   try {
  2334.     webViewerOpenFileViaURL(file);
  2335.   } catch (reason) {
  2336.     PDFViewerApplication.l10n.get("loading_error").then(msg => {
  2337.       PDFViewerApplication._documentError(msg, reason);
  2338.     });
  2339.   }
  2340. }
  2341.  
  2342. function webViewerOpenFileViaURL(file) {
  2343.   if (file) {
  2344.     PDFViewerApplication.open(file);
  2345.   }
  2346. }
  2347.  
  2348. function webViewerResetPermissions() {
  2349.   const {
  2350.     appConfig
  2351.   } = PDFViewerApplication;
  2352.  
  2353.   if (!appConfig) {
  2354.     return;
  2355.   }
  2356.  
  2357.   appConfig.viewerContainer.classList.remove(ENABLE_PERMISSIONS_CLASS);
  2358. }
  2359.  
  2360. function webViewerPageRendered({
  2361.   pageNumber,
  2362.   timestamp,
  2363.   error
  2364. }) {
  2365.   if (pageNumber === PDFViewerApplication.page) {
  2366.     PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
  2367.   }
  2368.  
  2369.   if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
  2370.     const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1);
  2371.     const thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageNumber - 1);
  2372.  
  2373.     if (pageView && thumbnailView) {
  2374.       thumbnailView.setImage(pageView);
  2375.     }
  2376.   }
  2377.  
  2378.   if (error) {
  2379.     PDFViewerApplication.l10n.get("rendering_error").then(msg => {
  2380.       PDFViewerApplication._otherError(msg, error);
  2381.     });
  2382.   }
  2383.  
  2384.   PDFViewerApplication.externalServices.reportTelemetry({
  2385.     type: "pageInfo",
  2386.     timestamp
  2387.   });
  2388.   PDFViewerApplication.pdfDocument.getStats().then(function (stats) {
  2389.     PDFViewerApplication.externalServices.reportTelemetry({
  2390.       type: "documentStats",
  2391.       stats
  2392.     });
  2393.   });
  2394. }
  2395.  
  2396. function webViewerPageMode({
  2397.   mode
  2398. }) {
  2399.   let view;
  2400.  
  2401.   switch (mode) {
  2402.     case "thumbs":
  2403.       view = _ui_utils.SidebarView.THUMBS;
  2404.       break;
  2405.  
  2406.     case "bookmarks":
  2407.     case "outline":
  2408.       view = _ui_utils.SidebarView.OUTLINE;
  2409.       break;
  2410.  
  2411.     case "attachments":
  2412.       view = _ui_utils.SidebarView.ATTACHMENTS;
  2413.       break;
  2414.  
  2415.     case "layers":
  2416.       view = _ui_utils.SidebarView.LAYERS;
  2417.       break;
  2418.  
  2419.     case "none":
  2420.       view = _ui_utils.SidebarView.NONE;
  2421.       break;
  2422.  
  2423.     default:
  2424.       console.error('Invalid "pagemode" hash parameter: ' + mode);
  2425.       return;
  2426.   }
  2427.  
  2428.   PDFViewerApplication.pdfSidebar.switchView(view, true);
  2429. }
  2430.  
  2431. function webViewerNamedAction(evt) {
  2432.   switch (evt.action) {
  2433.     case "GoToPage":
  2434.       PDFViewerApplication.appConfig.toolbar.pageNumber.select();
  2435.       break;
  2436.  
  2437.     case "Find":
  2438.       if (!PDFViewerApplication.supportsIntegratedFind) {
  2439.         PDFViewerApplication.findBar.toggle();
  2440.       }
  2441.  
  2442.       break;
  2443.  
  2444.     case "Print":
  2445.       PDFViewerApplication.triggerPrinting();
  2446.       break;
  2447.  
  2448.     case "SaveAs":
  2449.       webViewerSave();
  2450.       break;
  2451.   }
  2452. }
  2453.  
  2454. function webViewerPresentationModeChanged(evt) {
  2455.   PDFViewerApplication.pdfViewer.presentationModeState = evt.state;
  2456. }
  2457.  
  2458. function webViewerSidebarViewChanged(evt) {
  2459.   PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
  2460.   const store = PDFViewerApplication.store;
  2461.  
  2462.   if (store && PDFViewerApplication.isInitialViewSet) {
  2463.     store.set("sidebarView", evt.view).catch(function () {});
  2464.   }
  2465. }
  2466.  
  2467. function webViewerUpdateViewarea(evt) {
  2468.   const location = evt.location,
  2469.         store = PDFViewerApplication.store;
  2470.  
  2471.   if (store && PDFViewerApplication.isInitialViewSet) {
  2472.     store.setMultiple({
  2473.       page: location.pageNumber,
  2474.       zoom: location.scale,
  2475.       scrollLeft: location.left,
  2476.       scrollTop: location.top,
  2477.       rotation: location.rotation
  2478.     }).catch(function () {});
  2479.   }
  2480.  
  2481.   const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
  2482.   PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
  2483.   PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
  2484.   const currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
  2485.   const loading = currentPage?.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED;
  2486.   PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
  2487. }
  2488.  
  2489. function webViewerScrollModeChanged(evt) {
  2490.   const store = PDFViewerApplication.store;
  2491.  
  2492.   if (store && PDFViewerApplication.isInitialViewSet) {
  2493.     store.set("scrollMode", evt.mode).catch(function () {});
  2494.   }
  2495. }
  2496.  
  2497. function webViewerSpreadModeChanged(evt) {
  2498.   const store = PDFViewerApplication.store;
  2499.  
  2500.   if (store && PDFViewerApplication.isInitialViewSet) {
  2501.     store.set("spreadMode", evt.mode).catch(function () {});
  2502.   }
  2503. }
  2504.  
  2505. function webViewerResize() {
  2506.   const {
  2507.     pdfDocument,
  2508.     pdfViewer
  2509.   } = PDFViewerApplication;
  2510.  
  2511.   if (!pdfDocument) {
  2512.     return;
  2513.   }
  2514.  
  2515.   const currentScaleValue = pdfViewer.currentScaleValue;
  2516.  
  2517.   if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") {
  2518.     pdfViewer.currentScaleValue = currentScaleValue;
  2519.   }
  2520.  
  2521.   pdfViewer.update();
  2522. }
  2523.  
  2524. function webViewerHashchange(evt) {
  2525.   const hash = evt.hash;
  2526.  
  2527.   if (!hash) {
  2528.     return;
  2529.   }
  2530.  
  2531.   if (!PDFViewerApplication.isInitialViewSet) {
  2532.     PDFViewerApplication.initialBookmark = hash;
  2533.   } else if (!PDFViewerApplication.pdfHistory.popStateInProgress) {
  2534.     PDFViewerApplication.pdfLinkService.setHash(hash);
  2535.   }
  2536. }
  2537.  
  2538. let webViewerFileInputChange, webViewerOpenFile;
  2539. {
  2540.   webViewerFileInputChange = function (evt) {
  2541.     if (PDFViewerApplication.pdfViewer?.isInPresentationMode) {
  2542.       return;
  2543.     }
  2544.  
  2545.     const file = evt.fileInput.files[0];
  2546.  
  2547.     if (!_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
  2548.       let url = URL.createObjectURL(file);
  2549.  
  2550.       if (file.name) {
  2551.         url = {
  2552.           url,
  2553.           originalUrl: file.name
  2554.         };
  2555.       }
  2556.  
  2557.       PDFViewerApplication.open(url);
  2558.     } else {
  2559.       PDFViewerApplication.setTitleUsingUrl(file.name);
  2560.       const fileReader = new FileReader();
  2561.  
  2562.       fileReader.onload = function webViewerChangeFileReaderOnload(event) {
  2563.         const buffer = event.target.result;
  2564.         PDFViewerApplication.open(new Uint8Array(buffer));
  2565.       };
  2566.  
  2567.       fileReader.readAsArrayBuffer(file);
  2568.     }
  2569.  
  2570.     const appConfig = PDFViewerApplication.appConfig;
  2571.     appConfig.toolbar.viewBookmark.hidden = true;
  2572.     appConfig.secondaryToolbar.viewBookmarkButton.hidden = true;
  2573.     appConfig.toolbar.download.hidden = true;
  2574.     appConfig.secondaryToolbar.downloadButton.hidden = true;
  2575.   };
  2576.  
  2577.   webViewerOpenFile = function (evt) {
  2578.     const openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
  2579.     document.getElementById(openFileInputName).click();
  2580.   };
  2581. }
  2582.  
  2583. function webViewerPresentationMode() {
  2584.   PDFViewerApplication.requestPresentationMode();
  2585. }
  2586.  
  2587. function webViewerPrint() {
  2588.   PDFViewerApplication.triggerPrinting();
  2589. }
  2590.  
  2591. function webViewerDownload() {
  2592.   PDFViewerApplication.downloadOrSave({
  2593.     sourceEventType: "download"
  2594.   });
  2595. }
  2596.  
  2597. function webViewerSave() {
  2598.   PDFViewerApplication.downloadOrSave({
  2599.     sourceEventType: "save"
  2600.   });
  2601. }
  2602.  
  2603. function webViewerFirstPage() {
  2604.   if (PDFViewerApplication.pdfDocument) {
  2605.     PDFViewerApplication.page = 1;
  2606.   }
  2607. }
  2608.  
  2609. function webViewerLastPage() {
  2610.   if (PDFViewerApplication.pdfDocument) {
  2611.     PDFViewerApplication.page = PDFViewerApplication.pagesCount;
  2612.   }
  2613. }
  2614.  
  2615. function webViewerNextPage() {
  2616.   PDFViewerApplication.pdfViewer.nextPage();
  2617. }
  2618.  
  2619. function webViewerPreviousPage() {
  2620.   PDFViewerApplication.pdfViewer.previousPage();
  2621. }
  2622.  
  2623. function webViewerZoomIn() {
  2624.   PDFViewerApplication.zoomIn();
  2625. }
  2626.  
  2627. function webViewerZoomOut() {
  2628.   PDFViewerApplication.zoomOut();
  2629. }
  2630.  
  2631. function webViewerZoomReset() {
  2632.   PDFViewerApplication.zoomReset();
  2633. }
  2634.  
  2635. function webViewerPageNumberChanged(evt) {
  2636.   const pdfViewer = PDFViewerApplication.pdfViewer;
  2637.  
  2638.   if (evt.value !== "") {
  2639.     PDFViewerApplication.pdfLinkService.goToPage(evt.value);
  2640.   }
  2641.  
  2642.   if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
  2643.     PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
  2644.   }
  2645. }
  2646.  
  2647. function webViewerScaleChanged(evt) {
  2648.   PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
  2649. }
  2650.  
  2651. function webViewerRotateCw() {
  2652.   PDFViewerApplication.rotatePages(90);
  2653. }
  2654.  
  2655. function webViewerRotateCcw() {
  2656.   PDFViewerApplication.rotatePages(-90);
  2657. }
  2658.  
  2659. function webViewerOptionalContentConfig(evt) {
  2660.   PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise;
  2661. }
  2662.  
  2663. function webViewerSwitchScrollMode(evt) {
  2664.   PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
  2665. }
  2666.  
  2667. function webViewerSwitchSpreadMode(evt) {
  2668.   PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
  2669. }
  2670.  
  2671. function webViewerDocumentProperties() {
  2672.   PDFViewerApplication.pdfDocumentProperties.open();
  2673. }
  2674.  
  2675. function webViewerFind(evt) {
  2676.   PDFViewerApplication.findController.executeCommand("find" + evt.type, {
  2677.     query: evt.query,
  2678.     phraseSearch: evt.phraseSearch,
  2679.     caseSensitive: evt.caseSensitive,
  2680.     entireWord: evt.entireWord,
  2681.     highlightAll: evt.highlightAll,
  2682.     findPrevious: evt.findPrevious
  2683.   });
  2684. }
  2685.  
  2686. function webViewerFindFromUrlHash(evt) {
  2687.   PDFViewerApplication.findController.executeCommand("find", {
  2688.     query: evt.query,
  2689.     phraseSearch: evt.phraseSearch,
  2690.     caseSensitive: false,
  2691.     entireWord: false,
  2692.     highlightAll: true,
  2693.     findPrevious: false
  2694.   });
  2695. }
  2696.  
  2697. function webViewerUpdateFindMatchesCount({
  2698.   matchesCount
  2699. }) {
  2700.   if (PDFViewerApplication.supportsIntegratedFind) {
  2701.     PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount);
  2702.   } else {
  2703.     PDFViewerApplication.findBar.updateResultsCount(matchesCount);
  2704.   }
  2705. }
  2706.  
  2707. function webViewerUpdateFindControlState({
  2708.   state,
  2709.   previous,
  2710.   matchesCount,
  2711.   rawQuery
  2712. }) {
  2713.   if (PDFViewerApplication.supportsIntegratedFind) {
  2714.     PDFViewerApplication.externalServices.updateFindControlState({
  2715.       result: state,
  2716.       findPrevious: previous,
  2717.       matchesCount,
  2718.       rawQuery
  2719.     });
  2720.   } else {
  2721.     PDFViewerApplication.findBar.updateUIState(state, previous, matchesCount);
  2722.   }
  2723. }
  2724.  
  2725. function webViewerScaleChanging(evt) {
  2726.   PDFViewerApplication.toolbar.setPageScale(evt.presetValue, evt.scale);
  2727.   PDFViewerApplication.pdfViewer.update();
  2728. }
  2729.  
  2730. function webViewerRotationChanging(evt) {
  2731.   PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
  2732.   PDFViewerApplication.forceRendering();
  2733.   PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
  2734. }
  2735.  
  2736. function webViewerPageChanging({
  2737.   pageNumber,
  2738.   pageLabel
  2739. }) {
  2740.   PDFViewerApplication.toolbar.setPageNumber(pageNumber, pageLabel);
  2741.   PDFViewerApplication.secondaryToolbar.setPageNumber(pageNumber);
  2742.  
  2743.   if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
  2744.     PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(pageNumber);
  2745.   }
  2746. }
  2747.  
  2748. function webViewerVisibilityChange(evt) {
  2749.   if (document.visibilityState === "visible") {
  2750.     setZoomDisabledTimeout();
  2751.   }
  2752. }
  2753.  
  2754. let zoomDisabledTimeout = null;
  2755.  
  2756. function setZoomDisabledTimeout() {
  2757.   if (zoomDisabledTimeout) {
  2758.     clearTimeout(zoomDisabledTimeout);
  2759.   }
  2760.  
  2761.   zoomDisabledTimeout = setTimeout(function () {
  2762.     zoomDisabledTimeout = null;
  2763.   }, WHEEL_ZOOM_DISABLED_TIMEOUT);
  2764. }
  2765.  
  2766. function webViewerWheel(evt) {
  2767.   const {
  2768.     pdfViewer,
  2769.     supportedMouseWheelZoomModifierKeys
  2770.   } = PDFViewerApplication;
  2771.  
  2772.   if (pdfViewer.isInPresentationMode) {
  2773.     return;
  2774.   }
  2775.  
  2776.   if (evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey || evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey) {
  2777.     evt.preventDefault();
  2778.  
  2779.     if (zoomDisabledTimeout || document.visibilityState === "hidden") {
  2780.       return;
  2781.     }
  2782.  
  2783.     const previousScale = pdfViewer.currentScale;
  2784.     const delta = (0, _ui_utils.normalizeWheelEventDirection)(evt);
  2785.     let ticks = 0;
  2786.  
  2787.     if (evt.deltaMode === WheelEvent.DOM_DELTA_LINE || evt.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
  2788.       if (Math.abs(delta) >= 1) {
  2789.         ticks = Math.sign(delta);
  2790.       } else {
  2791.         ticks = PDFViewerApplication.accumulateWheelTicks(delta);
  2792.       }
  2793.     } else {
  2794.       const PIXELS_PER_LINE_SCALE = 30;
  2795.       ticks = PDFViewerApplication.accumulateWheelTicks(delta / PIXELS_PER_LINE_SCALE);
  2796.     }
  2797.  
  2798.     if (ticks < 0) {
  2799.       PDFViewerApplication.zoomOut(-ticks);
  2800.     } else if (ticks > 0) {
  2801.       PDFViewerApplication.zoomIn(ticks);
  2802.     }
  2803.  
  2804.     const currentScale = pdfViewer.currentScale;
  2805.  
  2806.     if (previousScale !== currentScale) {
  2807.       const scaleCorrectionFactor = currentScale / previousScale - 1;
  2808.       const rect = pdfViewer.container.getBoundingClientRect();
  2809.       const dx = evt.clientX - rect.left;
  2810.       const dy = evt.clientY - rect.top;
  2811.       pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
  2812.       pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
  2813.     }
  2814.   } else {
  2815.     setZoomDisabledTimeout();
  2816.   }
  2817. }
  2818.  
  2819. function webViewerTouchStart(evt) {
  2820.   if (evt.touches.length > 1) {
  2821.     evt.preventDefault();
  2822.   }
  2823. }
  2824.  
  2825. function webViewerClick(evt) {
  2826.   if (PDFViewerApplication.triggerDelayedFallback && PDFViewerApplication.pdfViewer.containsElement(evt.target)) {
  2827.     PDFViewerApplication.triggerDelayedFallback();
  2828.   }
  2829.  
  2830.   if (!PDFViewerApplication.secondaryToolbar.isOpen) {
  2831.     return;
  2832.   }
  2833.  
  2834.   const appConfig = PDFViewerApplication.appConfig;
  2835.  
  2836.   if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
  2837.     PDFViewerApplication.secondaryToolbar.close();
  2838.   }
  2839. }
  2840.  
  2841. function webViewerKeyUp(evt) {
  2842.   if (evt.keyCode === 9) {
  2843.     if (PDFViewerApplication.triggerDelayedFallback) {
  2844.       PDFViewerApplication.triggerDelayedFallback();
  2845.     }
  2846.   }
  2847. }
  2848.  
  2849. function webViewerKeyDown(evt) {
  2850.   if (PDFViewerApplication.overlayManager.active) {
  2851.     return;
  2852.   }
  2853.  
  2854.   let handled = false,
  2855.       ensureViewerFocused = false;
  2856.   const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
  2857.   const pdfViewer = PDFViewerApplication.pdfViewer;
  2858.   const isViewerInPresentationMode = pdfViewer?.isInPresentationMode;
  2859.  
  2860.   if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
  2861.     switch (evt.keyCode) {
  2862.       case 70:
  2863.         if (!PDFViewerApplication.supportsIntegratedFind && !evt.shiftKey) {
  2864.           PDFViewerApplication.findBar.open();
  2865.           handled = true;
  2866.         }
  2867.  
  2868.         break;
  2869.  
  2870.       case 71:
  2871.         if (!PDFViewerApplication.supportsIntegratedFind) {
  2872.           const findState = PDFViewerApplication.findController.state;
  2873.  
  2874.           if (findState) {
  2875.             PDFViewerApplication.findController.executeCommand("findagain", {
  2876.               query: findState.query,
  2877.               phraseSearch: findState.phraseSearch,
  2878.               caseSensitive: findState.caseSensitive,
  2879.               entireWord: findState.entireWord,
  2880.               highlightAll: findState.highlightAll,
  2881.               findPrevious: cmd === 5 || cmd === 12
  2882.             });
  2883.           }
  2884.  
  2885.           handled = true;
  2886.         }
  2887.  
  2888.         break;
  2889.  
  2890.       case 61:
  2891.       case 107:
  2892.       case 187:
  2893.       case 171:
  2894.         if (!isViewerInPresentationMode) {
  2895.           PDFViewerApplication.zoomIn();
  2896.         }
  2897.  
  2898.         handled = true;
  2899.         break;
  2900.  
  2901.       case 173:
  2902.       case 109:
  2903.       case 189:
  2904.         if (!isViewerInPresentationMode) {
  2905.           PDFViewerApplication.zoomOut();
  2906.         }
  2907.  
  2908.         handled = true;
  2909.         break;
  2910.  
  2911.       case 48:
  2912.       case 96:
  2913.         if (!isViewerInPresentationMode) {
  2914.           setTimeout(function () {
  2915.             PDFViewerApplication.zoomReset();
  2916.           });
  2917.           handled = false;
  2918.         }
  2919.  
  2920.         break;
  2921.  
  2922.       case 38:
  2923.         if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
  2924.           PDFViewerApplication.page = 1;
  2925.           handled = true;
  2926.           ensureViewerFocused = true;
  2927.         }
  2928.  
  2929.         break;
  2930.  
  2931.       case 40:
  2932.         if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
  2933.           PDFViewerApplication.page = PDFViewerApplication.pagesCount;
  2934.           handled = true;
  2935.           ensureViewerFocused = true;
  2936.         }
  2937.  
  2938.         break;
  2939.     }
  2940.   }
  2941.  
  2942.   const {
  2943.     eventBus
  2944.   } = PDFViewerApplication;
  2945.  
  2946.   if (cmd === 1 || cmd === 8) {
  2947.     switch (evt.keyCode) {
  2948.       case 83:
  2949.         eventBus.dispatch("download", {
  2950.           source: window
  2951.         });
  2952.         handled = true;
  2953.         break;
  2954.  
  2955.       case 79:
  2956.         {
  2957.           eventBus.dispatch("openfile", {
  2958.             source: window
  2959.           });
  2960.           handled = true;
  2961.         }
  2962.         break;
  2963.     }
  2964.   }
  2965.  
  2966.   if (cmd === 3 || cmd === 10) {
  2967.     switch (evt.keyCode) {
  2968.       case 80:
  2969.         PDFViewerApplication.requestPresentationMode();
  2970.         handled = true;
  2971.         break;
  2972.  
  2973.       case 71:
  2974.         PDFViewerApplication.appConfig.toolbar.pageNumber.select();
  2975.         handled = true;
  2976.         break;
  2977.     }
  2978.   }
  2979.  
  2980.   if (handled) {
  2981.     if (ensureViewerFocused && !isViewerInPresentationMode) {
  2982.       pdfViewer.focus();
  2983.     }
  2984.  
  2985.     evt.preventDefault();
  2986.     return;
  2987.   }
  2988.  
  2989.   const curElement = (0, _ui_utils.getActiveOrFocusedElement)();
  2990.   const curElementTagName = curElement?.tagName.toUpperCase();
  2991.  
  2992.   if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElement?.isContentEditable) {
  2993.     if (evt.keyCode !== 27) {
  2994.       return;
  2995.     }
  2996.   }
  2997.  
  2998.   if (cmd === 0) {
  2999.     let turnPage = 0,
  3000.         turnOnlyIfPageFit = false;
  3001.  
  3002.     switch (evt.keyCode) {
  3003.       case 38:
  3004.       case 33:
  3005.         if (pdfViewer.isVerticalScrollbarEnabled) {
  3006.           turnOnlyIfPageFit = true;
  3007.         }
  3008.  
  3009.         turnPage = -1;
  3010.         break;
  3011.  
  3012.       case 8:
  3013.         if (!isViewerInPresentationMode) {
  3014.           turnOnlyIfPageFit = true;
  3015.         }
  3016.  
  3017.         turnPage = -1;
  3018.         break;
  3019.  
  3020.       case 37:
  3021.         if (pdfViewer.isHorizontalScrollbarEnabled) {
  3022.           turnOnlyIfPageFit = true;
  3023.         }
  3024.  
  3025.       case 75:
  3026.       case 80:
  3027.         turnPage = -1;
  3028.         break;
  3029.  
  3030.       case 27:
  3031.         if (PDFViewerApplication.secondaryToolbar.isOpen) {
  3032.           PDFViewerApplication.secondaryToolbar.close();
  3033.           handled = true;
  3034.         }
  3035.  
  3036.         if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
  3037.           PDFViewerApplication.findBar.close();
  3038.           handled = true;
  3039.         }
  3040.  
  3041.         break;
  3042.  
  3043.       case 40:
  3044.       case 34:
  3045.         if (pdfViewer.isVerticalScrollbarEnabled) {
  3046.           turnOnlyIfPageFit = true;
  3047.         }
  3048.  
  3049.         turnPage = 1;
  3050.         break;
  3051.  
  3052.       case 13:
  3053.       case 32:
  3054.         if (!isViewerInPresentationMode) {
  3055.           turnOnlyIfPageFit = true;
  3056.         }
  3057.  
  3058.         turnPage = 1;
  3059.         break;
  3060.  
  3061.       case 39:
  3062.         if (pdfViewer.isHorizontalScrollbarEnabled) {
  3063.           turnOnlyIfPageFit = true;
  3064.         }
  3065.  
  3066.       case 74:
  3067.       case 78:
  3068.         turnPage = 1;
  3069.         break;
  3070.  
  3071.       case 36:
  3072.         if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
  3073.           PDFViewerApplication.page = 1;
  3074.           handled = true;
  3075.           ensureViewerFocused = true;
  3076.         }
  3077.  
  3078.         break;
  3079.  
  3080.       case 35:
  3081.         if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
  3082.           PDFViewerApplication.page = PDFViewerApplication.pagesCount;
  3083.           handled = true;
  3084.           ensureViewerFocused = true;
  3085.         }
  3086.  
  3087.         break;
  3088.  
  3089.       case 83:
  3090.         PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.SELECT);
  3091.         break;
  3092.  
  3093.       case 72:
  3094.         PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.HAND);
  3095.         break;
  3096.  
  3097.       case 82:
  3098.         PDFViewerApplication.rotatePages(90);
  3099.         break;
  3100.  
  3101.       case 115:
  3102.         PDFViewerApplication.pdfSidebar.toggle();
  3103.         break;
  3104.     }
  3105.  
  3106.     if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) {
  3107.       if (turnPage > 0) {
  3108.         pdfViewer.nextPage();
  3109.       } else {
  3110.         pdfViewer.previousPage();
  3111.       }
  3112.  
  3113.       handled = true;
  3114.     }
  3115.   }
  3116.  
  3117.   if (cmd === 4) {
  3118.     switch (evt.keyCode) {
  3119.       case 13:
  3120.       case 32:
  3121.         if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") {
  3122.           break;
  3123.         }
  3124.  
  3125.         if (PDFViewerApplication.page > 1) {
  3126.           PDFViewerApplication.page--;
  3127.         }
  3128.  
  3129.         handled = true;
  3130.         break;
  3131.  
  3132.       case 82:
  3133.         PDFViewerApplication.rotatePages(-90);
  3134.         break;
  3135.     }
  3136.   }
  3137.  
  3138.   if (!handled && !isViewerInPresentationMode) {
  3139.     if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== "BUTTON") {
  3140.       ensureViewerFocused = true;
  3141.     }
  3142.   }
  3143.  
  3144.   if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
  3145.     pdfViewer.focus();
  3146.   }
  3147.  
  3148.   if (handled) {
  3149.     evt.preventDefault();
  3150.   }
  3151. }
  3152.  
  3153. function beforeUnload(evt) {
  3154.   evt.preventDefault();
  3155.   evt.returnValue = "";
  3156.   return false;
  3157. }
  3158.  
  3159. const PDFPrintServiceFactory = {
  3160.   instance: {
  3161.     supportsPrinting: false,
  3162.  
  3163.     createPrintService() {
  3164.       throw new Error("Not implemented: createPrintService");
  3165.     }
  3166.  
  3167.   }
  3168. };
  3169. exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
  3170.  
  3171. /***/ }),
  3172. /* 4 */
  3173. /***/ ((__unused_webpack_module, exports) => {
  3174.  
  3175.  
  3176.  
  3177. Object.defineProperty(exports, "__esModule", ({
  3178.   value: true
  3179. }));
  3180. exports.apiPageLayoutToSpreadMode = apiPageLayoutToSpreadMode;
  3181. exports.apiPageModeToSidebarView = apiPageModeToSidebarView;
  3182. exports.approximateFraction = approximateFraction;
  3183. exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
  3184. exports.binarySearchFirstItem = binarySearchFirstItem;
  3185. exports.getActiveOrFocusedElement = getActiveOrFocusedElement;
  3186. exports.getOutputScale = getOutputScale;
  3187. exports.getPageSizeInches = getPageSizeInches;
  3188. exports.getVisibleElements = getVisibleElements;
  3189. exports.isPortraitOrientation = isPortraitOrientation;
  3190. exports.isValidRotation = isValidRotation;
  3191. exports.isValidScrollMode = isValidScrollMode;
  3192. exports.isValidSpreadMode = isValidSpreadMode;
  3193. exports.moveToEndOfArray = moveToEndOfArray;
  3194. exports.noContextMenuHandler = noContextMenuHandler;
  3195. exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
  3196. exports.normalizeWheelEventDirection = normalizeWheelEventDirection;
  3197. exports.parseQueryString = parseQueryString;
  3198. exports.roundToDivide = roundToDivide;
  3199. exports.scrollIntoView = scrollIntoView;
  3200. exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
  3201. exports.watchScroll = watchScroll;
  3202. exports.WaitOnType = exports.VERTICAL_PADDING = exports.UNKNOWN_SCALE = exports.TextLayerMode = exports.SpreadMode = exports.SidebarView = exports.ScrollMode = exports.SCROLLBAR_PADDING = exports.RendererType = exports.ProgressBar = exports.PresentationModeState = exports.MIN_SCALE = exports.MAX_SCALE = exports.MAX_AUTO_SCALE = exports.EventBus = exports.DEFAULT_SCALE_VALUE = exports.DEFAULT_SCALE = exports.CSS_UNITS = exports.AutoPrintRegExp = exports.animationStarted = void 0;
  3203. const CSS_UNITS = 96.0 / 72.0;
  3204. exports.CSS_UNITS = CSS_UNITS;
  3205. const DEFAULT_SCALE_VALUE = "auto";
  3206. exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
  3207. const DEFAULT_SCALE = 1.0;
  3208. exports.DEFAULT_SCALE = DEFAULT_SCALE;
  3209. const MIN_SCALE = 0.1;
  3210. exports.MIN_SCALE = MIN_SCALE;
  3211. const MAX_SCALE = 10.0;
  3212. exports.MAX_SCALE = MAX_SCALE;
  3213. const UNKNOWN_SCALE = 0;
  3214. exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
  3215. const MAX_AUTO_SCALE = 1.25;
  3216. exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
  3217. const SCROLLBAR_PADDING = 40;
  3218. exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
  3219. const VERTICAL_PADDING = 5;
  3220. exports.VERTICAL_PADDING = VERTICAL_PADDING;
  3221. const LOADINGBAR_END_OFFSET_VAR = "--loadingBar-end-offset";
  3222. const PresentationModeState = {
  3223.   UNKNOWN: 0,
  3224.   NORMAL: 1,
  3225.   CHANGING: 2,
  3226.   FULLSCREEN: 3
  3227. };
  3228. exports.PresentationModeState = PresentationModeState;
  3229. const SidebarView = {
  3230.   UNKNOWN: -1,
  3231.   NONE: 0,
  3232.   THUMBS: 1,
  3233.   OUTLINE: 2,
  3234.   ATTACHMENTS: 3,
  3235.   LAYERS: 4
  3236. };
  3237. exports.SidebarView = SidebarView;
  3238. const RendererType = {
  3239.   CANVAS: "canvas",
  3240.   SVG: "svg"
  3241. };
  3242. exports.RendererType = RendererType;
  3243. const TextLayerMode = {
  3244.   DISABLE: 0,
  3245.   ENABLE: 1,
  3246.   ENABLE_ENHANCE: 2
  3247. };
  3248. exports.TextLayerMode = TextLayerMode;
  3249. const ScrollMode = {
  3250.   UNKNOWN: -1,
  3251.   VERTICAL: 0,
  3252.   HORIZONTAL: 1,
  3253.   WRAPPED: 2
  3254. };
  3255. exports.ScrollMode = ScrollMode;
  3256. const SpreadMode = {
  3257.   UNKNOWN: -1,
  3258.   NONE: 0,
  3259.   ODD: 1,
  3260.   EVEN: 2
  3261. };
  3262. exports.SpreadMode = SpreadMode;
  3263. const AutoPrintRegExp = /\bprint\s*\(/;
  3264. exports.AutoPrintRegExp = AutoPrintRegExp;
  3265.  
  3266. function getOutputScale(ctx) {
  3267.   const devicePixelRatio = window.devicePixelRatio || 1;
  3268.   const backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
  3269.   const pixelRatio = devicePixelRatio / backingStoreRatio;
  3270.   return {
  3271.     sx: pixelRatio,
  3272.     sy: pixelRatio,
  3273.     scaled: pixelRatio !== 1
  3274.   };
  3275. }
  3276.  
  3277. function scrollIntoView(element, spot, skipOverflowHiddenElements = false) {
  3278.   let parent = element.offsetParent;
  3279.  
  3280.   if (!parent) {
  3281.     console.error("offsetParent is not set -- cannot scroll");
  3282.     return;
  3283.   }
  3284.  
  3285.   let offsetY = element.offsetTop + element.clientTop;
  3286.   let offsetX = element.offsetLeft + element.clientLeft;
  3287.  
  3288.   while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === "hidden") {
  3289.     if (parent.dataset._scaleY) {
  3290.       offsetY /= parent.dataset._scaleY;
  3291.       offsetX /= parent.dataset._scaleX;
  3292.     }
  3293.  
  3294.     offsetY += parent.offsetTop;
  3295.     offsetX += parent.offsetLeft;
  3296.     parent = parent.offsetParent;
  3297.  
  3298.     if (!parent) {
  3299.       return;
  3300.     }
  3301.   }
  3302.  
  3303.   if (spot) {
  3304.     if (spot.top !== undefined) {
  3305.       offsetY += spot.top;
  3306.     }
  3307.  
  3308.     if (spot.left !== undefined) {
  3309.       offsetX += spot.left;
  3310.       parent.scrollLeft = offsetX;
  3311.     }
  3312.   }
  3313.  
  3314.   parent.scrollTop = offsetY;
  3315. }
  3316.  
  3317. function watchScroll(viewAreaElement, callback) {
  3318.   const debounceScroll = function (evt) {
  3319.     if (rAF) {
  3320.       return;
  3321.     }
  3322.  
  3323.     rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
  3324.       rAF = null;
  3325.       const currentX = viewAreaElement.scrollLeft;
  3326.       const lastX = state.lastX;
  3327.  
  3328.       if (currentX !== lastX) {
  3329.         state.right = currentX > lastX;
  3330.       }
  3331.  
  3332.       state.lastX = currentX;
  3333.       const currentY = viewAreaElement.scrollTop;
  3334.       const lastY = state.lastY;
  3335.  
  3336.       if (currentY !== lastY) {
  3337.         state.down = currentY > lastY;
  3338.       }
  3339.  
  3340.       state.lastY = currentY;
  3341.       callback(state);
  3342.     });
  3343.   };
  3344.  
  3345.   const state = {
  3346.     right: true,
  3347.     down: true,
  3348.     lastX: viewAreaElement.scrollLeft,
  3349.     lastY: viewAreaElement.scrollTop,
  3350.     _eventHandler: debounceScroll
  3351.   };
  3352.   let rAF = null;
  3353.   viewAreaElement.addEventListener("scroll", debounceScroll, true);
  3354.   return state;
  3355. }
  3356.  
  3357. function parseQueryString(query) {
  3358.   const parts = query.split("&");
  3359.   const params = Object.create(null);
  3360.  
  3361.   for (let i = 0, ii = parts.length; i < ii; ++i) {
  3362.     const param = parts[i].split("=");
  3363.     const key = param[0].toLowerCase();
  3364.     const value = param.length > 1 ? param[1] : null;
  3365.     params[decodeURIComponent(key)] = decodeURIComponent(value);
  3366.   }
  3367.  
  3368.   return params;
  3369. }
  3370.  
  3371. function binarySearchFirstItem(items, condition) {
  3372.   let minIndex = 0;
  3373.   let maxIndex = items.length - 1;
  3374.  
  3375.   if (maxIndex < 0 || !condition(items[maxIndex])) {
  3376.     return items.length;
  3377.   }
  3378.  
  3379.   if (condition(items[minIndex])) {
  3380.     return minIndex;
  3381.   }
  3382.  
  3383.   while (minIndex < maxIndex) {
  3384.     const currentIndex = minIndex + maxIndex >> 1;
  3385.     const currentItem = items[currentIndex];
  3386.  
  3387.     if (condition(currentItem)) {
  3388.       maxIndex = currentIndex;
  3389.     } else {
  3390.       minIndex = currentIndex + 1;
  3391.     }
  3392.   }
  3393.  
  3394.   return minIndex;
  3395. }
  3396.  
  3397. function approximateFraction(x) {
  3398.   if (Math.floor(x) === x) {
  3399.     return [x, 1];
  3400.   }
  3401.  
  3402.   const xinv = 1 / x;
  3403.   const limit = 8;
  3404.  
  3405.   if (xinv > limit) {
  3406.     return [1, limit];
  3407.   } else if (Math.floor(xinv) === xinv) {
  3408.     return [1, xinv];
  3409.   }
  3410.  
  3411.   const x_ = x > 1 ? xinv : x;
  3412.   let a = 0,
  3413.       b = 1,
  3414.       c = 1,
  3415.       d = 1;
  3416.  
  3417.   while (true) {
  3418.     const p = a + c,
  3419.           q = b + d;
  3420.  
  3421.     if (q > limit) {
  3422.       break;
  3423.     }
  3424.  
  3425.     if (x_ <= p / q) {
  3426.       c = p;
  3427.       d = q;
  3428.     } else {
  3429.       a = p;
  3430.       b = q;
  3431.     }
  3432.   }
  3433.  
  3434.   let result;
  3435.  
  3436.   if (x_ - a / b < c / d - x_) {
  3437.     result = x_ === x ? [a, b] : [b, a];
  3438.   } else {
  3439.     result = x_ === x ? [c, d] : [d, c];
  3440.   }
  3441.  
  3442.   return result;
  3443. }
  3444.  
  3445. function roundToDivide(x, div) {
  3446.   const r = x % div;
  3447.   return r === 0 ? x : Math.round(x - r + div);
  3448. }
  3449.  
  3450. function getPageSizeInches({
  3451.   view,
  3452.   userUnit,
  3453.   rotate
  3454. }) {
  3455.   const [x1, y1, x2, y2] = view;
  3456.   const changeOrientation = rotate % 180 !== 0;
  3457.   const width = (x2 - x1) / 72 * userUnit;
  3458.   const height = (y2 - y1) / 72 * userUnit;
  3459.   return {
  3460.     width: changeOrientation ? height : width,
  3461.     height: changeOrientation ? width : height
  3462.   };
  3463. }
  3464.  
  3465. function backtrackBeforeAllVisibleElements(index, views, top) {
  3466.   if (index < 2) {
  3467.     return index;
  3468.   }
  3469.  
  3470.   let elt = views[index].div;
  3471.   let pageTop = elt.offsetTop + elt.clientTop;
  3472.  
  3473.   if (pageTop >= top) {
  3474.     elt = views[index - 1].div;
  3475.     pageTop = elt.offsetTop + elt.clientTop;
  3476.   }
  3477.  
  3478.   for (let i = index - 2; i >= 0; --i) {
  3479.     elt = views[i].div;
  3480.  
  3481.     if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
  3482.       break;
  3483.     }
  3484.  
  3485.     index = i;
  3486.   }
  3487.  
  3488.   return index;
  3489. }
  3490.  
  3491. function getVisibleElements({
  3492.   scrollEl,
  3493.   views,
  3494.   sortByVisibility = false,
  3495.   horizontal = false,
  3496.   rtl = false
  3497. }) {
  3498.   const top = scrollEl.scrollTop,
  3499.         bottom = top + scrollEl.clientHeight;
  3500.   const left = scrollEl.scrollLeft,
  3501.         right = left + scrollEl.clientWidth;
  3502.  
  3503.   function isElementBottomAfterViewTop(view) {
  3504.     const element = view.div;
  3505.     const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
  3506.     return elementBottom > top;
  3507.   }
  3508.  
  3509.   function isElementNextAfterViewHorizontally(view) {
  3510.     const element = view.div;
  3511.     const elementLeft = element.offsetLeft + element.clientLeft;
  3512.     const elementRight = elementLeft + element.clientWidth;
  3513.     return rtl ? elementLeft < right : elementRight > left;
  3514.   }
  3515.  
  3516.   const visible = [],
  3517.         numViews = views.length;
  3518.   let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop);
  3519.  
  3520.   if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
  3521.     firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
  3522.   }
  3523.  
  3524.   let lastEdge = horizontal ? right : -1;
  3525.  
  3526.   for (let i = firstVisibleElementInd; i < numViews; i++) {
  3527.     const view = views[i],
  3528.           element = view.div;
  3529.     const currentWidth = element.offsetLeft + element.clientLeft;
  3530.     const currentHeight = element.offsetTop + element.clientTop;
  3531.     const viewWidth = element.clientWidth,
  3532.           viewHeight = element.clientHeight;
  3533.     const viewRight = currentWidth + viewWidth;
  3534.     const viewBottom = currentHeight + viewHeight;
  3535.  
  3536.     if (lastEdge === -1) {
  3537.       if (viewBottom >= bottom) {
  3538.         lastEdge = viewBottom;
  3539.       }
  3540.     } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
  3541.       break;
  3542.     }
  3543.  
  3544.     if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
  3545.       continue;
  3546.     }
  3547.  
  3548.     const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
  3549.     const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
  3550.     const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
  3551.           fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
  3552.     const percent = fractionHeight * fractionWidth * 100 | 0;
  3553.     visible.push({
  3554.       id: view.id,
  3555.       x: currentWidth,
  3556.       y: currentHeight,
  3557.       view,
  3558.       percent,
  3559.       widthPercent: fractionWidth * 100 | 0
  3560.     });
  3561.   }
  3562.  
  3563.   const first = visible[0],
  3564.         last = visible[visible.length - 1];
  3565.  
  3566.   if (sortByVisibility) {
  3567.     visible.sort(function (a, b) {
  3568.       const pc = a.percent - b.percent;
  3569.  
  3570.       if (Math.abs(pc) > 0.001) {
  3571.         return -pc;
  3572.       }
  3573.  
  3574.       return a.id - b.id;
  3575.     });
  3576.   }
  3577.  
  3578.   return {
  3579.     first,
  3580.     last,
  3581.     views: visible
  3582.   };
  3583. }
  3584.  
  3585. function noContextMenuHandler(evt) {
  3586.   evt.preventDefault();
  3587. }
  3588.  
  3589. function normalizeWheelEventDirection(evt) {
  3590.   let delta = Math.hypot(evt.deltaX, evt.deltaY);
  3591.   const angle = Math.atan2(evt.deltaY, evt.deltaX);
  3592.  
  3593.   if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
  3594.     delta = -delta;
  3595.   }
  3596.  
  3597.   return delta;
  3598. }
  3599.  
  3600. function normalizeWheelEventDelta(evt) {
  3601.   let delta = normalizeWheelEventDirection(evt);
  3602.   const MOUSE_DOM_DELTA_PIXEL_MODE = 0;
  3603.   const MOUSE_DOM_DELTA_LINE_MODE = 1;
  3604.   const MOUSE_PIXELS_PER_LINE = 30;
  3605.   const MOUSE_LINES_PER_PAGE = 30;
  3606.  
  3607.   if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
  3608.     delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
  3609.   } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
  3610.     delta /= MOUSE_LINES_PER_PAGE;
  3611.   }
  3612.  
  3613.   return delta;
  3614. }
  3615.  
  3616. function isValidRotation(angle) {
  3617.   return Number.isInteger(angle) && angle % 90 === 0;
  3618. }
  3619.  
  3620. function isValidScrollMode(mode) {
  3621.   return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
  3622. }
  3623.  
  3624. function isValidSpreadMode(mode) {
  3625.   return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
  3626. }
  3627.  
  3628. function isPortraitOrientation(size) {
  3629.   return size.width <= size.height;
  3630. }
  3631.  
  3632. const WaitOnType = {
  3633.   EVENT: "event",
  3634.   TIMEOUT: "timeout"
  3635. };
  3636. exports.WaitOnType = WaitOnType;
  3637.  
  3638. function waitOnEventOrTimeout({
  3639.   target,
  3640.   name,
  3641.   delay = 0
  3642. }) {
  3643.   return new Promise(function (resolve, reject) {
  3644.     if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
  3645.       throw new Error("waitOnEventOrTimeout - invalid parameters.");
  3646.     }
  3647.  
  3648.     function handler(type) {
  3649.       if (target instanceof EventBus) {
  3650.         target._off(name, eventHandler);
  3651.       } else {
  3652.         target.removeEventListener(name, eventHandler);
  3653.       }
  3654.  
  3655.       if (timeout) {
  3656.         clearTimeout(timeout);
  3657.       }
  3658.  
  3659.       resolve(type);
  3660.     }
  3661.  
  3662.     const eventHandler = handler.bind(null, WaitOnType.EVENT);
  3663.  
  3664.     if (target instanceof EventBus) {
  3665.       target._on(name, eventHandler);
  3666.     } else {
  3667.       target.addEventListener(name, eventHandler);
  3668.     }
  3669.  
  3670.     const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
  3671.     const timeout = setTimeout(timeoutHandler, delay);
  3672.   });
  3673. }
  3674.  
  3675. const animationStarted = new Promise(function (resolve) {
  3676.   window.requestAnimationFrame(resolve);
  3677. });
  3678. exports.animationStarted = animationStarted;
  3679.  
  3680. function dispatchDOMEvent(eventName, args = null) {
  3681.   throw new Error("Not implemented: dispatchDOMEvent");
  3682. }
  3683.  
  3684. class EventBus {
  3685.   constructor(options) {
  3686.     this._listeners = Object.create(null);
  3687.   }
  3688.  
  3689.   on(eventName, listener, options = null) {
  3690.     this._on(eventName, listener, {
  3691.       external: true,
  3692.       once: options?.once
  3693.     });
  3694.   }
  3695.  
  3696.   off(eventName, listener, options = null) {
  3697.     this._off(eventName, listener, {
  3698.       external: true,
  3699.       once: options?.once
  3700.     });
  3701.   }
  3702.  
  3703.   dispatch(eventName) {
  3704.     const eventListeners = this._listeners[eventName];
  3705.  
  3706.     if (!eventListeners || eventListeners.length === 0) {
  3707.       return;
  3708.     }
  3709.  
  3710.     const args = Array.prototype.slice.call(arguments, 1);
  3711.     let externalListeners;
  3712.     eventListeners.slice(0).forEach(({
  3713.       listener,
  3714.       external,
  3715.       once
  3716.     }) => {
  3717.       if (once) {
  3718.         this._off(eventName, listener);
  3719.       }
  3720.  
  3721.       if (external) {
  3722.         (externalListeners || (externalListeners = [])).push(listener);
  3723.         return;
  3724.       }
  3725.  
  3726.       listener.apply(null, args);
  3727.     });
  3728.  
  3729.     if (externalListeners) {
  3730.       externalListeners.forEach(listener => {
  3731.         listener.apply(null, args);
  3732.       });
  3733.       externalListeners = null;
  3734.     }
  3735.   }
  3736.  
  3737.   _on(eventName, listener, options = null) {
  3738.     var _this$_listeners;
  3739.  
  3740.     const eventListeners = (_this$_listeners = this._listeners)[eventName] || (_this$_listeners[eventName] = []);
  3741.     eventListeners.push({
  3742.       listener,
  3743.       external: options?.external === true,
  3744.       once: options?.once === true
  3745.     });
  3746.   }
  3747.  
  3748.   _off(eventName, listener, options = null) {
  3749.     const eventListeners = this._listeners[eventName];
  3750.  
  3751.     if (!eventListeners) {
  3752.       return;
  3753.     }
  3754.  
  3755.     for (let i = 0, ii = eventListeners.length; i < ii; i++) {
  3756.       if (eventListeners[i].listener === listener) {
  3757.         eventListeners.splice(i, 1);
  3758.         return;
  3759.       }
  3760.     }
  3761.   }
  3762.  
  3763. }
  3764.  
  3765. exports.EventBus = EventBus;
  3766.  
  3767. function clamp(v, min, max) {
  3768.   return Math.min(Math.max(v, min), max);
  3769. }
  3770.  
  3771. class ProgressBar {
  3772.   constructor(id, {
  3773.     height,
  3774.     width,
  3775.     units
  3776.   } = {}) {
  3777.     this.visible = true;
  3778.     this.div = document.querySelector(id + " .progress");
  3779.     this.bar = this.div.parentNode;
  3780.     this.height = height || 100;
  3781.     this.width = width || 100;
  3782.     this.units = units || "%";
  3783.     this.div.style.height = this.height + this.units;
  3784.     this.percent = 0;
  3785.   }
  3786.  
  3787.   _updateBar() {
  3788.     if (this._indeterminate) {
  3789.       this.div.classList.add("indeterminate");
  3790.       this.div.style.width = this.width + this.units;
  3791.       return;
  3792.     }
  3793.  
  3794.     this.div.classList.remove("indeterminate");
  3795.     const progressSize = this.width * this._percent / 100;
  3796.     this.div.style.width = progressSize + this.units;
  3797.   }
  3798.  
  3799.   get percent() {
  3800.     return this._percent;
  3801.   }
  3802.  
  3803.   set percent(val) {
  3804.     this._indeterminate = isNaN(val);
  3805.     this._percent = clamp(val, 0, 100);
  3806.  
  3807.     this._updateBar();
  3808.   }
  3809.  
  3810.   setWidth(viewer) {
  3811.     if (!viewer) {
  3812.       return;
  3813.     }
  3814.  
  3815.     const container = viewer.parentNode;
  3816.     const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
  3817.  
  3818.     if (scrollbarWidth > 0) {
  3819.       const doc = document.documentElement;
  3820.       doc.style.setProperty(LOADINGBAR_END_OFFSET_VAR, `${scrollbarWidth}px`);
  3821.     }
  3822.   }
  3823.  
  3824.   hide() {
  3825.     if (!this.visible) {
  3826.       return;
  3827.     }
  3828.  
  3829.     this.visible = false;
  3830.     this.bar.classList.add("hidden");
  3831.   }
  3832.  
  3833.   show() {
  3834.     if (this.visible) {
  3835.       return;
  3836.     }
  3837.  
  3838.     this.visible = true;
  3839.     this.bar.classList.remove("hidden");
  3840.   }
  3841.  
  3842. }
  3843.  
  3844. exports.ProgressBar = ProgressBar;
  3845.  
  3846. function moveToEndOfArray(arr, condition) {
  3847.   const moved = [],
  3848.         len = arr.length;
  3849.   let write = 0;
  3850.  
  3851.   for (let read = 0; read < len; ++read) {
  3852.     if (condition(arr[read])) {
  3853.       moved.push(arr[read]);
  3854.     } else {
  3855.       arr[write] = arr[read];
  3856.       ++write;
  3857.     }
  3858.   }
  3859.  
  3860.   for (let read = 0; write < len; ++read, ++write) {
  3861.     arr[write] = moved[read];
  3862.   }
  3863. }
  3864.  
  3865. function getActiveOrFocusedElement() {
  3866.   let curRoot = document;
  3867.   let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
  3868.  
  3869.   while (curActiveOrFocused?.shadowRoot) {
  3870.     curRoot = curActiveOrFocused.shadowRoot;
  3871.     curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
  3872.   }
  3873.  
  3874.   return curActiveOrFocused;
  3875. }
  3876.  
  3877. function apiPageLayoutToSpreadMode(layout) {
  3878.   switch (layout) {
  3879.     case "SinglePage":
  3880.     case "OneColumn":
  3881.       return SpreadMode.NONE;
  3882.  
  3883.     case "TwoColumnLeft":
  3884.     case "TwoPageLeft":
  3885.       return SpreadMode.ODD;
  3886.  
  3887.     case "TwoColumnRight":
  3888.     case "TwoPageRight":
  3889.       return SpreadMode.EVEN;
  3890.   }
  3891.  
  3892.   return SpreadMode.NONE;
  3893. }
  3894.  
  3895. function apiPageModeToSidebarView(mode) {
  3896.   switch (mode) {
  3897.     case "UseNone":
  3898.       return SidebarView.NONE;
  3899.  
  3900.     case "UseThumbs":
  3901.       return SidebarView.THUMBS;
  3902.  
  3903.     case "UseOutlines":
  3904.       return SidebarView.OUTLINE;
  3905.  
  3906.     case "UseAttachments":
  3907.       return SidebarView.ATTACHMENTS;
  3908.  
  3909.     case "UseOC":
  3910.       return SidebarView.LAYERS;
  3911.   }
  3912.  
  3913.   return SidebarView.NONE;
  3914. }
  3915.  
  3916. /***/ }),
  3917. /* 5 */
  3918. /***/ ((module) => {
  3919.  
  3920.  
  3921.  
  3922. let pdfjsLib;
  3923.  
  3924. if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) {
  3925.   pdfjsLib = window["pdfjs-dist/build/pdf"];
  3926. } else {
  3927.   pdfjsLib = require("../build/pdf.js");
  3928. }
  3929.  
  3930. module.exports = pdfjsLib;
  3931.  
  3932. /***/ }),
  3933. /* 6 */
  3934. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  3935.  
  3936.  
  3937.  
  3938. Object.defineProperty(exports, "__esModule", ({
  3939.   value: true
  3940. }));
  3941. exports.PDFCursorTools = exports.CursorTool = void 0;
  3942.  
  3943. var _grab_to_pan = __webpack_require__(7);
  3944.  
  3945. var _ui_utils = __webpack_require__(4);
  3946.  
  3947. const CursorTool = {
  3948.   SELECT: 0,
  3949.   HAND: 1,
  3950.   ZOOM: 2
  3951. };
  3952. exports.CursorTool = CursorTool;
  3953.  
  3954. class PDFCursorTools {
  3955.   constructor({
  3956.     container,
  3957.     eventBus,
  3958.     cursorToolOnLoad = CursorTool.SELECT
  3959.   }) {
  3960.     this.container = container;
  3961.     this.eventBus = eventBus;
  3962.     this.active = CursorTool.SELECT;
  3963.     this.activeBeforePresentationMode = null;
  3964.     this.handTool = new _grab_to_pan.GrabToPan({
  3965.       element: this.container
  3966.     });
  3967.  
  3968.     this._addEventListeners();
  3969.  
  3970.     Promise.resolve().then(() => {
  3971.       this.switchTool(cursorToolOnLoad);
  3972.     });
  3973.   }
  3974.  
  3975.   get activeTool() {
  3976.     return this.active;
  3977.   }
  3978.  
  3979.   switchTool(tool) {
  3980.     if (this.activeBeforePresentationMode !== null) {
  3981.       return;
  3982.     }
  3983.  
  3984.     if (tool === this.active) {
  3985.       return;
  3986.     }
  3987.  
  3988.     const disableActiveTool = () => {
  3989.       switch (this.active) {
  3990.         case CursorTool.SELECT:
  3991.           break;
  3992.  
  3993.         case CursorTool.HAND:
  3994.           this.handTool.deactivate();
  3995.           break;
  3996.  
  3997.         case CursorTool.ZOOM:
  3998.       }
  3999.     };
  4000.  
  4001.     switch (tool) {
  4002.       case CursorTool.SELECT:
  4003.         disableActiveTool();
  4004.         break;
  4005.  
  4006.       case CursorTool.HAND:
  4007.         disableActiveTool();
  4008.         this.handTool.activate();
  4009.         break;
  4010.  
  4011.       case CursorTool.ZOOM:
  4012.       default:
  4013.         console.error(`switchTool: "${tool}" is an unsupported value.`);
  4014.         return;
  4015.     }
  4016.  
  4017.     this.active = tool;
  4018.  
  4019.     this._dispatchEvent();
  4020.   }
  4021.  
  4022.   _dispatchEvent() {
  4023.     this.eventBus.dispatch("cursortoolchanged", {
  4024.       source: this,
  4025.       tool: this.active
  4026.     });
  4027.   }
  4028.  
  4029.   _addEventListeners() {
  4030.     this.eventBus._on("switchcursortool", evt => {
  4031.       this.switchTool(evt.tool);
  4032.     });
  4033.  
  4034.     this.eventBus._on("presentationmodechanged", evt => {
  4035.       switch (evt.state) {
  4036.         case _ui_utils.PresentationModeState.FULLSCREEN:
  4037.           {
  4038.             const previouslyActive = this.active;
  4039.             this.switchTool(CursorTool.SELECT);
  4040.             this.activeBeforePresentationMode = previouslyActive;
  4041.             break;
  4042.           }
  4043.  
  4044.         case _ui_utils.PresentationModeState.NORMAL:
  4045.           {
  4046.             const previouslyActive = this.activeBeforePresentationMode;
  4047.             this.activeBeforePresentationMode = null;
  4048.             this.switchTool(previouslyActive);
  4049.             break;
  4050.           }
  4051.       }
  4052.     });
  4053.   }
  4054.  
  4055. }
  4056.  
  4057. exports.PDFCursorTools = PDFCursorTools;
  4058.  
  4059. /***/ }),
  4060. /* 7 */
  4061. /***/ ((__unused_webpack_module, exports) => {
  4062.  
  4063.  
  4064.  
  4065. Object.defineProperty(exports, "__esModule", ({
  4066.   value: true
  4067. }));
  4068. exports.GrabToPan = GrabToPan;
  4069.  
  4070. function GrabToPan(options) {
  4071.   this.element = options.element;
  4072.   this.document = options.element.ownerDocument;
  4073.  
  4074.   if (typeof options.ignoreTarget === "function") {
  4075.     this.ignoreTarget = options.ignoreTarget;
  4076.   }
  4077.  
  4078.   this.onActiveChanged = options.onActiveChanged;
  4079.   this.activate = this.activate.bind(this);
  4080.   this.deactivate = this.deactivate.bind(this);
  4081.   this.toggle = this.toggle.bind(this);
  4082.   this._onmousedown = this._onmousedown.bind(this);
  4083.   this._onmousemove = this._onmousemove.bind(this);
  4084.   this._endPan = this._endPan.bind(this);
  4085.   const overlay = this.overlay = document.createElement("div");
  4086.   overlay.className = "grab-to-pan-grabbing";
  4087. }
  4088.  
  4089. GrabToPan.prototype = {
  4090.   CSS_CLASS_GRAB: "grab-to-pan-grab",
  4091.   activate: function GrabToPan_activate() {
  4092.     if (!this.active) {
  4093.       this.active = true;
  4094.       this.element.addEventListener("mousedown", this._onmousedown, true);
  4095.       this.element.classList.add(this.CSS_CLASS_GRAB);
  4096.  
  4097.       if (this.onActiveChanged) {
  4098.         this.onActiveChanged(true);
  4099.       }
  4100.     }
  4101.   },
  4102.   deactivate: function GrabToPan_deactivate() {
  4103.     if (this.active) {
  4104.       this.active = false;
  4105.       this.element.removeEventListener("mousedown", this._onmousedown, true);
  4106.  
  4107.       this._endPan();
  4108.  
  4109.       this.element.classList.remove(this.CSS_CLASS_GRAB);
  4110.  
  4111.       if (this.onActiveChanged) {
  4112.         this.onActiveChanged(false);
  4113.       }
  4114.     }
  4115.   },
  4116.   toggle: function GrabToPan_toggle() {
  4117.     if (this.active) {
  4118.       this.deactivate();
  4119.     } else {
  4120.       this.activate();
  4121.     }
  4122.   },
  4123.   ignoreTarget: function GrabToPan_ignoreTarget(node) {
  4124.     return node.matches("a[href], a[href] *, input, textarea, button, button *, select, option");
  4125.   },
  4126.   _onmousedown: function GrabToPan__onmousedown(event) {
  4127.     if (event.button !== 0 || this.ignoreTarget(event.target)) {
  4128.       return;
  4129.     }
  4130.  
  4131.     if (event.originalTarget) {
  4132.       try {
  4133.         event.originalTarget.tagName;
  4134.       } catch (e) {
  4135.         return;
  4136.       }
  4137.     }
  4138.  
  4139.     this.scrollLeftStart = this.element.scrollLeft;
  4140.     this.scrollTopStart = this.element.scrollTop;
  4141.     this.clientXStart = event.clientX;
  4142.     this.clientYStart = event.clientY;
  4143.     this.document.addEventListener("mousemove", this._onmousemove, true);
  4144.     this.document.addEventListener("mouseup", this._endPan, true);
  4145.     this.element.addEventListener("scroll", this._endPan, true);
  4146.     event.preventDefault();
  4147.     event.stopPropagation();
  4148.     const focusedElement = document.activeElement;
  4149.  
  4150.     if (focusedElement && !focusedElement.contains(event.target)) {
  4151.       focusedElement.blur();
  4152.     }
  4153.   },
  4154.   _onmousemove: function GrabToPan__onmousemove(event) {
  4155.     this.element.removeEventListener("scroll", this._endPan, true);
  4156.  
  4157.     if (isLeftMouseReleased(event)) {
  4158.       this._endPan();
  4159.  
  4160.       return;
  4161.     }
  4162.  
  4163.     const xDiff = event.clientX - this.clientXStart;
  4164.     const yDiff = event.clientY - this.clientYStart;
  4165.     const scrollTop = this.scrollTopStart - yDiff;
  4166.     const scrollLeft = this.scrollLeftStart - xDiff;
  4167.  
  4168.     if (this.element.scrollTo) {
  4169.       this.element.scrollTo({
  4170.         top: scrollTop,
  4171.         left: scrollLeft,
  4172.         behavior: "instant"
  4173.       });
  4174.     } else {
  4175.       this.element.scrollTop = scrollTop;
  4176.       this.element.scrollLeft = scrollLeft;
  4177.     }
  4178.  
  4179.     if (!this.overlay.parentNode) {
  4180.       document.body.appendChild(this.overlay);
  4181.     }
  4182.   },
  4183.   _endPan: function GrabToPan__endPan() {
  4184.     this.element.removeEventListener("scroll", this._endPan, true);
  4185.     this.document.removeEventListener("mousemove", this._onmousemove, true);
  4186.     this.document.removeEventListener("mouseup", this._endPan, true);
  4187.     this.overlay.remove();
  4188.   }
  4189. };
  4190.  
  4191. function isLeftMouseReleased(event) {
  4192.   if ("buttons" in event) {
  4193.     return !(event.buttons & 1);
  4194.   }
  4195.  
  4196.   const chrome = window.chrome;
  4197.   const isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
  4198.   const isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);
  4199.  
  4200.   if (isChrome15OrOpera15plus || isSafari6plus) {
  4201.     return event.which === 0;
  4202.   }
  4203.  
  4204.   return false;
  4205. }
  4206.  
  4207. /***/ }),
  4208. /* 8 */
  4209. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  4210.  
  4211.  
  4212.  
  4213. Object.defineProperty(exports, "__esModule", ({
  4214.   value: true
  4215. }));
  4216. exports.RenderingStates = exports.PDFRenderingQueue = void 0;
  4217.  
  4218. var _pdfjsLib = __webpack_require__(5);
  4219.  
  4220. const CLEANUP_TIMEOUT = 30000;
  4221. const RenderingStates = {
  4222.   INITIAL: 0,
  4223.   RUNNING: 1,
  4224.   PAUSED: 2,
  4225.   FINISHED: 3
  4226. };
  4227. exports.RenderingStates = RenderingStates;
  4228.  
  4229. class PDFRenderingQueue {
  4230.   constructor() {
  4231.     this.pdfViewer = null;
  4232.     this.pdfThumbnailViewer = null;
  4233.     this.onIdle = null;
  4234.     this.highestPriorityPage = null;
  4235.     this.idleTimeout = null;
  4236.     this.printing = false;
  4237.     this.isThumbnailViewEnabled = false;
  4238.   }
  4239.  
  4240.   setViewer(pdfViewer) {
  4241.     this.pdfViewer = pdfViewer;
  4242.   }
  4243.  
  4244.   setThumbnailViewer(pdfThumbnailViewer) {
  4245.     this.pdfThumbnailViewer = pdfThumbnailViewer;
  4246.   }
  4247.  
  4248.   isHighestPriority(view) {
  4249.     return this.highestPriorityPage === view.renderingId;
  4250.   }
  4251.  
  4252.   renderHighestPriority(currentlyVisiblePages) {
  4253.     if (this.idleTimeout) {
  4254.       clearTimeout(this.idleTimeout);
  4255.       this.idleTimeout = null;
  4256.     }
  4257.  
  4258.     if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
  4259.       return;
  4260.     }
  4261.  
  4262.     if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
  4263.       if (this.pdfThumbnailViewer.forceRendering()) {
  4264.         return;
  4265.       }
  4266.     }
  4267.  
  4268.     if (this.printing) {
  4269.       return;
  4270.     }
  4271.  
  4272.     if (this.onIdle) {
  4273.       this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
  4274.     }
  4275.   }
  4276.  
  4277.   getHighestPriority(visible, views, scrolledDown) {
  4278.     const visibleViews = visible.views;
  4279.     const numVisible = visibleViews.length;
  4280.  
  4281.     if (numVisible === 0) {
  4282.       return null;
  4283.     }
  4284.  
  4285.     for (let i = 0; i < numVisible; ++i) {
  4286.       const view = visibleViews[i].view;
  4287.  
  4288.       if (!this.isViewFinished(view)) {
  4289.         return view;
  4290.       }
  4291.     }
  4292.  
  4293.     if (scrolledDown) {
  4294.       const nextPageIndex = visible.last.id;
  4295.  
  4296.       if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
  4297.         return views[nextPageIndex];
  4298.       }
  4299.     } else {
  4300.       const previousPageIndex = visible.first.id - 2;
  4301.  
  4302.       if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
  4303.         return views[previousPageIndex];
  4304.       }
  4305.     }
  4306.  
  4307.     return null;
  4308.   }
  4309.  
  4310.   isViewFinished(view) {
  4311.     return view.renderingState === RenderingStates.FINISHED;
  4312.   }
  4313.  
  4314.   renderView(view) {
  4315.     switch (view.renderingState) {
  4316.       case RenderingStates.FINISHED:
  4317.         return false;
  4318.  
  4319.       case RenderingStates.PAUSED:
  4320.         this.highestPriorityPage = view.renderingId;
  4321.         view.resume();
  4322.         break;
  4323.  
  4324.       case RenderingStates.RUNNING:
  4325.         this.highestPriorityPage = view.renderingId;
  4326.         break;
  4327.  
  4328.       case RenderingStates.INITIAL:
  4329.         this.highestPriorityPage = view.renderingId;
  4330.         view.draw().finally(() => {
  4331.           this.renderHighestPriority();
  4332.         }).catch(reason => {
  4333.           if (reason instanceof _pdfjsLib.RenderingCancelledException) {
  4334.             return;
  4335.           }
  4336.  
  4337.           console.error(`renderView: "${reason}"`);
  4338.         });
  4339.         break;
  4340.     }
  4341.  
  4342.     return true;
  4343.   }
  4344.  
  4345. }
  4346.  
  4347. exports.PDFRenderingQueue = PDFRenderingQueue;
  4348.  
  4349. /***/ }),
  4350. /* 9 */
  4351. /***/ ((__unused_webpack_module, exports) => {
  4352.  
  4353.  
  4354.  
  4355. Object.defineProperty(exports, "__esModule", ({
  4356.   value: true
  4357. }));
  4358. exports.OverlayManager = void 0;
  4359.  
  4360. class OverlayManager {
  4361.   constructor() {
  4362.     this._overlays = {};
  4363.     this._active = null;
  4364.     this._keyDownBound = this._keyDown.bind(this);
  4365.   }
  4366.  
  4367.   get active() {
  4368.     return this._active;
  4369.   }
  4370.  
  4371.   async register(name, element, callerCloseMethod = null, canForceClose = false) {
  4372.     let container;
  4373.  
  4374.     if (!name || !element || !(container = element.parentNode)) {
  4375.       throw new Error("Not enough parameters.");
  4376.     } else if (this._overlays[name]) {
  4377.       throw new Error("The overlay is already registered.");
  4378.     }
  4379.  
  4380.     this._overlays[name] = {
  4381.       element,
  4382.       container,
  4383.       callerCloseMethod,
  4384.       canForceClose
  4385.     };
  4386.   }
  4387.  
  4388.   async unregister(name) {
  4389.     if (!this._overlays[name]) {
  4390.       throw new Error("The overlay does not exist.");
  4391.     } else if (this._active === name) {
  4392.       throw new Error("The overlay cannot be removed while it is active.");
  4393.     }
  4394.  
  4395.     delete this._overlays[name];
  4396.   }
  4397.  
  4398.   async open(name) {
  4399.     if (!this._overlays[name]) {
  4400.       throw new Error("The overlay does not exist.");
  4401.     } else if (this._active) {
  4402.       if (this._overlays[name].canForceClose) {
  4403.         this._closeThroughCaller();
  4404.       } else if (this._active === name) {
  4405.         throw new Error("The overlay is already active.");
  4406.       } else {
  4407.         throw new Error("Another overlay is currently active.");
  4408.       }
  4409.     }
  4410.  
  4411.     this._active = name;
  4412.  
  4413.     this._overlays[this._active].element.classList.remove("hidden");
  4414.  
  4415.     this._overlays[this._active].container.classList.remove("hidden");
  4416.  
  4417.     window.addEventListener("keydown", this._keyDownBound);
  4418.   }
  4419.  
  4420.   async close(name) {
  4421.     if (!this._overlays[name]) {
  4422.       throw new Error("The overlay does not exist.");
  4423.     } else if (!this._active) {
  4424.       throw new Error("The overlay is currently not active.");
  4425.     } else if (this._active !== name) {
  4426.       throw new Error("Another overlay is currently active.");
  4427.     }
  4428.  
  4429.     this._overlays[this._active].container.classList.add("hidden");
  4430.  
  4431.     this._overlays[this._active].element.classList.add("hidden");
  4432.  
  4433.     this._active = null;
  4434.     window.removeEventListener("keydown", this._keyDownBound);
  4435.   }
  4436.  
  4437.   _keyDown(evt) {
  4438.     if (this._active && evt.keyCode === 27) {
  4439.       this._closeThroughCaller();
  4440.  
  4441.       evt.preventDefault();
  4442.     }
  4443.   }
  4444.  
  4445.   _closeThroughCaller() {
  4446.     if (this._overlays[this._active].callerCloseMethod) {
  4447.       this._overlays[this._active].callerCloseMethod();
  4448.     }
  4449.  
  4450.     if (this._active) {
  4451.       this.close(this._active);
  4452.     }
  4453.   }
  4454.  
  4455. }
  4456.  
  4457. exports.OverlayManager = OverlayManager;
  4458.  
  4459. /***/ }),
  4460. /* 10 */
  4461. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  4462.  
  4463.  
  4464.  
  4465. Object.defineProperty(exports, "__esModule", ({
  4466.   value: true
  4467. }));
  4468. exports.PasswordPrompt = void 0;
  4469.  
  4470. var _pdfjsLib = __webpack_require__(5);
  4471.  
  4472. class PasswordPrompt {
  4473.   constructor(options, overlayManager, l10n, isViewerEmbedded = false) {
  4474.     this.overlayName = options.overlayName;
  4475.     this.container = options.container;
  4476.     this.label = options.label;
  4477.     this.input = options.input;
  4478.     this.submitButton = options.submitButton;
  4479.     this.cancelButton = options.cancelButton;
  4480.     this.overlayManager = overlayManager;
  4481.     this.l10n = l10n;
  4482.     this._isViewerEmbedded = isViewerEmbedded;
  4483.     this.updateCallback = null;
  4484.     this.reason = null;
  4485.     this.submitButton.addEventListener("click", this.verify.bind(this));
  4486.     this.cancelButton.addEventListener("click", this.close.bind(this));
  4487.     this.input.addEventListener("keydown", e => {
  4488.       if (e.keyCode === 13) {
  4489.         this.verify();
  4490.       }
  4491.     });
  4492.     this.overlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
  4493.   }
  4494.  
  4495.   async open() {
  4496.     await this.overlayManager.open(this.overlayName);
  4497.     const passwordIncorrect = this.reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD;
  4498.  
  4499.     if (!this._isViewerEmbedded || passwordIncorrect) {
  4500.       this.input.focus();
  4501.     }
  4502.  
  4503.     this.label.textContent = await this.l10n.get(`password_${passwordIncorrect ? "invalid" : "label"}`);
  4504.   }
  4505.  
  4506.   close() {
  4507.     this.overlayManager.close(this.overlayName).then(() => {
  4508.       this.input.value = "";
  4509.     });
  4510.   }
  4511.  
  4512.   verify() {
  4513.     const password = this.input.value;
  4514.  
  4515.     if (password?.length > 0) {
  4516.       this.close();
  4517.       this.updateCallback(password);
  4518.     }
  4519.   }
  4520.  
  4521.   setUpdateCallback(updateCallback, reason) {
  4522.     this.updateCallback = updateCallback;
  4523.     this.reason = reason;
  4524.   }
  4525.  
  4526. }
  4527.  
  4528. exports.PasswordPrompt = PasswordPrompt;
  4529.  
  4530. /***/ }),
  4531. /* 11 */
  4532. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  4533.  
  4534.  
  4535.  
  4536. Object.defineProperty(exports, "__esModule", ({
  4537.   value: true
  4538. }));
  4539. exports.PDFAttachmentViewer = void 0;
  4540.  
  4541. var _pdfjsLib = __webpack_require__(5);
  4542.  
  4543. var _base_tree_viewer = __webpack_require__(12);
  4544.  
  4545. class PDFAttachmentViewer extends _base_tree_viewer.BaseTreeViewer {
  4546.   constructor(options) {
  4547.     super(options);
  4548.     this.downloadManager = options.downloadManager;
  4549.  
  4550.     this.eventBus._on("fileattachmentannotation", this._appendAttachment.bind(this));
  4551.   }
  4552.  
  4553.   reset(keepRenderedCapability = false) {
  4554.     super.reset();
  4555.     this._attachments = null;
  4556.  
  4557.     if (!keepRenderedCapability) {
  4558.       this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
  4559.     }
  4560.  
  4561.     if (this._pendingDispatchEvent) {
  4562.       clearTimeout(this._pendingDispatchEvent);
  4563.     }
  4564.  
  4565.     this._pendingDispatchEvent = null;
  4566.   }
  4567.  
  4568.   _dispatchEvent(attachmentsCount) {
  4569.     this._renderedCapability.resolve();
  4570.  
  4571.     if (this._pendingDispatchEvent) {
  4572.       clearTimeout(this._pendingDispatchEvent);
  4573.       this._pendingDispatchEvent = null;
  4574.     }
  4575.  
  4576.     if (attachmentsCount === 0) {
  4577.       this._pendingDispatchEvent = setTimeout(() => {
  4578.         this.eventBus.dispatch("attachmentsloaded", {
  4579.           source: this,
  4580.           attachmentsCount: 0
  4581.         });
  4582.         this._pendingDispatchEvent = null;
  4583.       });
  4584.       return;
  4585.     }
  4586.  
  4587.     this.eventBus.dispatch("attachmentsloaded", {
  4588.       source: this,
  4589.       attachmentsCount
  4590.     });
  4591.   }
  4592.  
  4593.   _bindLink(element, {
  4594.     content,
  4595.     filename
  4596.   }) {
  4597.     element.onclick = () => {
  4598.       this.downloadManager.openOrDownloadData(element, content, filename);
  4599.       return false;
  4600.     };
  4601.   }
  4602.  
  4603.   render({
  4604.     attachments,
  4605.     keepRenderedCapability = false
  4606.   }) {
  4607.     if (this._attachments) {
  4608.       this.reset(keepRenderedCapability);
  4609.     }
  4610.  
  4611.     this._attachments = attachments || null;
  4612.  
  4613.     if (!attachments) {
  4614.       this._dispatchEvent(0);
  4615.  
  4616.       return;
  4617.     }
  4618.  
  4619.     const names = Object.keys(attachments).sort(function (a, b) {
  4620.       return a.toLowerCase().localeCompare(b.toLowerCase());
  4621.     });
  4622.     const fragment = document.createDocumentFragment();
  4623.     let attachmentsCount = 0;
  4624.  
  4625.     for (const name of names) {
  4626.       const item = attachments[name];
  4627.       const content = item.content,
  4628.             filename = (0, _pdfjsLib.getFilenameFromUrl)(item.filename);
  4629.       const div = document.createElement("div");
  4630.       div.className = "treeItem";
  4631.       const element = document.createElement("a");
  4632.  
  4633.       this._bindLink(element, {
  4634.         content,
  4635.         filename
  4636.       });
  4637.  
  4638.       element.textContent = this._normalizeTextContent(filename);
  4639.       div.appendChild(element);
  4640.       fragment.appendChild(div);
  4641.       attachmentsCount++;
  4642.     }
  4643.  
  4644.     this._finishRendering(fragment, attachmentsCount);
  4645.   }
  4646.  
  4647.   _appendAttachment({
  4648.     id,
  4649.     filename,
  4650.     content
  4651.   }) {
  4652.     const renderedPromise = this._renderedCapability.promise;
  4653.     renderedPromise.then(() => {
  4654.       if (renderedPromise !== this._renderedCapability.promise) {
  4655.         return;
  4656.       }
  4657.  
  4658.       let attachments = this._attachments;
  4659.  
  4660.       if (!attachments) {
  4661.         attachments = Object.create(null);
  4662.       } else {
  4663.         for (const name in attachments) {
  4664.           if (id === name) {
  4665.             return;
  4666.           }
  4667.         }
  4668.       }
  4669.  
  4670.       attachments[id] = {
  4671.         filename,
  4672.         content
  4673.       };
  4674.       this.render({
  4675.         attachments,
  4676.         keepRenderedCapability: true
  4677.       });
  4678.     });
  4679.   }
  4680.  
  4681. }
  4682.  
  4683. exports.PDFAttachmentViewer = PDFAttachmentViewer;
  4684.  
  4685. /***/ }),
  4686. /* 12 */
  4687. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  4688.  
  4689.  
  4690.  
  4691. Object.defineProperty(exports, "__esModule", ({
  4692.   value: true
  4693. }));
  4694. exports.BaseTreeViewer = void 0;
  4695.  
  4696. var _pdfjsLib = __webpack_require__(5);
  4697.  
  4698. const TREEITEM_OFFSET_TOP = -100;
  4699. const TREEITEM_SELECTED_CLASS = "selected";
  4700.  
  4701. class BaseTreeViewer {
  4702.   constructor(options) {
  4703.     if (this.constructor === BaseTreeViewer) {
  4704.       throw new Error("Cannot initialize BaseTreeViewer.");
  4705.     }
  4706.  
  4707.     this.container = options.container;
  4708.     this.eventBus = options.eventBus;
  4709.     this.reset();
  4710.   }
  4711.  
  4712.   reset() {
  4713.     this._pdfDocument = null;
  4714.     this._lastToggleIsShow = true;
  4715.     this._currentTreeItem = null;
  4716.     this.container.textContent = "";
  4717.     this.container.classList.remove("treeWithDeepNesting");
  4718.   }
  4719.  
  4720.   _dispatchEvent(count) {
  4721.     throw new Error("Not implemented: _dispatchEvent");
  4722.   }
  4723.  
  4724.   _bindLink(element, params) {
  4725.     throw new Error("Not implemented: _bindLink");
  4726.   }
  4727.  
  4728.   _normalizeTextContent(str) {
  4729.     return (0, _pdfjsLib.removeNullCharacters)(str) || "\u2013";
  4730.   }
  4731.  
  4732.   _addToggleButton(div, hidden = false) {
  4733.     const toggler = document.createElement("div");
  4734.     toggler.className = "treeItemToggler";
  4735.  
  4736.     if (hidden) {
  4737.       toggler.classList.add("treeItemsHidden");
  4738.     }
  4739.  
  4740.     toggler.onclick = evt => {
  4741.       evt.stopPropagation();
  4742.       toggler.classList.toggle("treeItemsHidden");
  4743.  
  4744.       if (evt.shiftKey) {
  4745.         const shouldShowAll = !toggler.classList.contains("treeItemsHidden");
  4746.  
  4747.         this._toggleTreeItem(div, shouldShowAll);
  4748.       }
  4749.     };
  4750.  
  4751.     div.insertBefore(toggler, div.firstChild);
  4752.   }
  4753.  
  4754.   _toggleTreeItem(root, show = false) {
  4755.     this._lastToggleIsShow = show;
  4756.  
  4757.     for (const toggler of root.querySelectorAll(".treeItemToggler")) {
  4758.       toggler.classList.toggle("treeItemsHidden", !show);
  4759.     }
  4760.   }
  4761.  
  4762.   _toggleAllTreeItems() {
  4763.     this._toggleTreeItem(this.container, !this._lastToggleIsShow);
  4764.   }
  4765.  
  4766.   _finishRendering(fragment, count, hasAnyNesting = false) {
  4767.     if (hasAnyNesting) {
  4768.       this.container.classList.add("treeWithDeepNesting");
  4769.       this._lastToggleIsShow = !fragment.querySelector(".treeItemsHidden");
  4770.     }
  4771.  
  4772.     this.container.appendChild(fragment);
  4773.  
  4774.     this._dispatchEvent(count);
  4775.   }
  4776.  
  4777.   render(params) {
  4778.     throw new Error("Not implemented: render");
  4779.   }
  4780.  
  4781.   _updateCurrentTreeItem(treeItem = null) {
  4782.     if (this._currentTreeItem) {
  4783.       this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS);
  4784.  
  4785.       this._currentTreeItem = null;
  4786.     }
  4787.  
  4788.     if (treeItem) {
  4789.       treeItem.classList.add(TREEITEM_SELECTED_CLASS);
  4790.       this._currentTreeItem = treeItem;
  4791.     }
  4792.   }
  4793.  
  4794.   _scrollToCurrentTreeItem(treeItem) {
  4795.     if (!treeItem) {
  4796.       return;
  4797.     }
  4798.  
  4799.     let currentNode = treeItem.parentNode;
  4800.  
  4801.     while (currentNode && currentNode !== this.container) {
  4802.       if (currentNode.classList.contains("treeItem")) {
  4803.         const toggler = currentNode.firstElementChild;
  4804.         toggler?.classList.remove("treeItemsHidden");
  4805.       }
  4806.  
  4807.       currentNode = currentNode.parentNode;
  4808.     }
  4809.  
  4810.     this._updateCurrentTreeItem(treeItem);
  4811.  
  4812.     this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP);
  4813.   }
  4814.  
  4815. }
  4816.  
  4817. exports.BaseTreeViewer = BaseTreeViewer;
  4818.  
  4819. /***/ }),
  4820. /* 13 */
  4821. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  4822.  
  4823.  
  4824.  
  4825. Object.defineProperty(exports, "__esModule", ({
  4826.   value: true
  4827. }));
  4828. exports.PDFDocumentProperties = void 0;
  4829.  
  4830. var _pdfjsLib = __webpack_require__(5);
  4831.  
  4832. var _ui_utils = __webpack_require__(4);
  4833.  
  4834. const DEFAULT_FIELD_CONTENT = "-";
  4835. const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
  4836. const US_PAGE_NAMES = {
  4837.   "8.5x11": "Letter",
  4838.   "8.5x14": "Legal"
  4839. };
  4840. const METRIC_PAGE_NAMES = {
  4841.   "297x420": "A3",
  4842.   "210x297": "A4"
  4843. };
  4844.  
  4845. function getPageName(size, isPortrait, pageNames) {
  4846.   const width = isPortrait ? size.width : size.height;
  4847.   const height = isPortrait ? size.height : size.width;
  4848.   return pageNames[`${width}x${height}`];
  4849. }
  4850.  
  4851. class PDFDocumentProperties {
  4852.   constructor({
  4853.     overlayName,
  4854.     fields,
  4855.     container,
  4856.     closeButton
  4857.   }, overlayManager, eventBus, l10n) {
  4858.     this.overlayName = overlayName;
  4859.     this.fields = fields;
  4860.     this.container = container;
  4861.     this.overlayManager = overlayManager;
  4862.     this.l10n = l10n;
  4863.  
  4864.     this._reset();
  4865.  
  4866.     closeButton.addEventListener("click", this.close.bind(this));
  4867.     this.overlayManager.register(this.overlayName, this.container, this.close.bind(this));
  4868.  
  4869.     eventBus._on("pagechanging", evt => {
  4870.       this._currentPageNumber = evt.pageNumber;
  4871.     });
  4872.  
  4873.     eventBus._on("rotationchanging", evt => {
  4874.       this._pagesRotation = evt.pagesRotation;
  4875.     });
  4876.  
  4877.     this._isNonMetricLocale = true;
  4878.     l10n.getLanguage().then(locale => {
  4879.       this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
  4880.     });
  4881.   }
  4882.  
  4883.   async open() {
  4884.     const freezeFieldData = data => {
  4885.       Object.defineProperty(this, "fieldData", {
  4886.         value: Object.freeze(data),
  4887.         writable: false,
  4888.         enumerable: true,
  4889.         configurable: true
  4890.       });
  4891.     };
  4892.  
  4893.     await Promise.all([this.overlayManager.open(this.overlayName), this._dataAvailableCapability.promise]);
  4894.     const currentPageNumber = this._currentPageNumber;
  4895.     const pagesRotation = this._pagesRotation;
  4896.  
  4897.     if (this.fieldData && currentPageNumber === this.fieldData._currentPageNumber && pagesRotation === this.fieldData._pagesRotation) {
  4898.       this._updateUI();
  4899.  
  4900.       return;
  4901.     }
  4902.  
  4903.     const {
  4904.       info,
  4905.       contentDispositionFilename,
  4906.       contentLength
  4907.     } = await this.pdfDocument.getMetadata();
  4908.     const [fileName, fileSize, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(this.url), this._parseFileSize(contentLength), this._parseDate(info.CreationDate), this._parseDate(info.ModDate), this.pdfDocument.getPage(currentPageNumber).then(pdfPage => {
  4909.       return this._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
  4910.     }), this._parseLinearization(info.IsLinearized)]);
  4911.     freezeFieldData({
  4912.       fileName,
  4913.       fileSize,
  4914.       title: info.Title,
  4915.       author: info.Author,
  4916.       subject: info.Subject,
  4917.       keywords: info.Keywords,
  4918.       creationDate,
  4919.       modificationDate,
  4920.       creator: info.Creator,
  4921.       producer: info.Producer,
  4922.       version: info.PDFFormatVersion,
  4923.       pageCount: this.pdfDocument.numPages,
  4924.       pageSize,
  4925.       linearized: isLinearized,
  4926.       _currentPageNumber: currentPageNumber,
  4927.       _pagesRotation: pagesRotation
  4928.     });
  4929.  
  4930.     this._updateUI();
  4931.  
  4932.     const {
  4933.       length
  4934.     } = await this.pdfDocument.getDownloadInfo();
  4935.  
  4936.     if (contentLength === length) {
  4937.       return;
  4938.     }
  4939.  
  4940.     const data = Object.assign(Object.create(null), this.fieldData);
  4941.     data.fileSize = await this._parseFileSize(length);
  4942.     freezeFieldData(data);
  4943.  
  4944.     this._updateUI();
  4945.   }
  4946.  
  4947.   close() {
  4948.     this.overlayManager.close(this.overlayName);
  4949.   }
  4950.  
  4951.   setDocument(pdfDocument, url = null) {
  4952.     if (this.pdfDocument) {
  4953.       this._reset();
  4954.  
  4955.       this._updateUI(true);
  4956.     }
  4957.  
  4958.     if (!pdfDocument) {
  4959.       return;
  4960.     }
  4961.  
  4962.     this.pdfDocument = pdfDocument;
  4963.     this.url = url;
  4964.  
  4965.     this._dataAvailableCapability.resolve();
  4966.   }
  4967.  
  4968.   _reset() {
  4969.     this.pdfDocument = null;
  4970.     this.url = null;
  4971.     delete this.fieldData;
  4972.     this._dataAvailableCapability = (0, _pdfjsLib.createPromiseCapability)();
  4973.     this._currentPageNumber = 1;
  4974.     this._pagesRotation = 0;
  4975.   }
  4976.  
  4977.   _updateUI(reset = false) {
  4978.     if (reset || !this.fieldData) {
  4979.       for (const id in this.fields) {
  4980.         this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
  4981.       }
  4982.  
  4983.       return;
  4984.     }
  4985.  
  4986.     if (this.overlayManager.active !== this.overlayName) {
  4987.       return;
  4988.     }
  4989.  
  4990.     for (const id in this.fields) {
  4991.       const content = this.fieldData[id];
  4992.       this.fields[id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
  4993.     }
  4994.   }
  4995.  
  4996.   async _parseFileSize(fileSize = 0) {
  4997.     const kb = fileSize / 1024,
  4998.           mb = kb / 1024;
  4999.  
  5000.     if (!kb) {
  5001.       return undefined;
  5002.     }
  5003.  
  5004.     return this.l10n.get(`document_properties_${mb >= 1 ? "mb" : "kb"}`, {
  5005.       size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(),
  5006.       size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(),
  5007.       size_b: fileSize.toLocaleString()
  5008.     });
  5009.   }
  5010.  
  5011.   async _parsePageSize(pageSizeInches, pagesRotation) {
  5012.     if (!pageSizeInches) {
  5013.       return undefined;
  5014.     }
  5015.  
  5016.     if (pagesRotation % 180 !== 0) {
  5017.       pageSizeInches = {
  5018.         width: pageSizeInches.height,
  5019.         height: pageSizeInches.width
  5020.       };
  5021.     }
  5022.  
  5023.     const isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
  5024.     let sizeInches = {
  5025.       width: Math.round(pageSizeInches.width * 100) / 100,
  5026.       height: Math.round(pageSizeInches.height * 100) / 100
  5027.     };
  5028.     let sizeMillimeters = {
  5029.       width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
  5030.       height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
  5031.     };
  5032.     let rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
  5033.  
  5034.     if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
  5035.       const exactMillimeters = {
  5036.         width: pageSizeInches.width * 25.4,
  5037.         height: pageSizeInches.height * 25.4
  5038.       };
  5039.       const intMillimeters = {
  5040.         width: Math.round(sizeMillimeters.width),
  5041.         height: Math.round(sizeMillimeters.height)
  5042.       };
  5043.  
  5044.       if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
  5045.         rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
  5046.  
  5047.         if (rawName) {
  5048.           sizeInches = {
  5049.             width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
  5050.             height: Math.round(intMillimeters.height / 25.4 * 100) / 100
  5051.           };
  5052.           sizeMillimeters = intMillimeters;
  5053.         }
  5054.       }
  5055.     }
  5056.  
  5057.     const [{
  5058.       width,
  5059.       height
  5060.     }, unit, name, orientation] = await Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get(`document_properties_page_size_unit_${this._isNonMetricLocale ? "inches" : "millimeters"}`), rawName && this.l10n.get(`document_properties_page_size_name_${rawName.toLowerCase()}`), this.l10n.get(`document_properties_page_size_orientation_${isPortrait ? "portrait" : "landscape"}`)]);
  5061.     return this.l10n.get(`document_properties_page_size_dimension_${name ? "name_" : ""}string`, {
  5062.       width: width.toLocaleString(),
  5063.       height: height.toLocaleString(),
  5064.       unit,
  5065.       name,
  5066.       orientation
  5067.     });
  5068.   }
  5069.  
  5070.   async _parseDate(inputDate) {
  5071.     const dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate);
  5072.  
  5073.     if (!dateObject) {
  5074.       return undefined;
  5075.     }
  5076.  
  5077.     return this.l10n.get("document_properties_date_string", {
  5078.       date: dateObject.toLocaleDateString(),
  5079.       time: dateObject.toLocaleTimeString()
  5080.     });
  5081.   }
  5082.  
  5083.   _parseLinearization(isLinearized) {
  5084.     return this.l10n.get(`document_properties_linearized_${isLinearized ? "yes" : "no"}`);
  5085.   }
  5086.  
  5087. }
  5088.  
  5089. exports.PDFDocumentProperties = PDFDocumentProperties;
  5090.  
  5091. /***/ }),
  5092. /* 14 */
  5093. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  5094.  
  5095.  
  5096.  
  5097. Object.defineProperty(exports, "__esModule", ({
  5098.   value: true
  5099. }));
  5100. exports.PDFFindBar = void 0;
  5101.  
  5102. var _pdf_find_controller = __webpack_require__(15);
  5103.  
  5104. const MATCHES_COUNT_LIMIT = 1000;
  5105.  
  5106. class PDFFindBar {
  5107.   constructor(options, eventBus, l10n) {
  5108.     this.opened = false;
  5109.     this.bar = options.bar;
  5110.     this.toggleButton = options.toggleButton;
  5111.     this.findField = options.findField;
  5112.     this.highlightAll = options.highlightAllCheckbox;
  5113.     this.caseSensitive = options.caseSensitiveCheckbox;
  5114.     this.entireWord = options.entireWordCheckbox;
  5115.     this.findMsg = options.findMsg;
  5116.     this.findResultsCount = options.findResultsCount;
  5117.     this.findPreviousButton = options.findPreviousButton;
  5118.     this.findNextButton = options.findNextButton;
  5119.     this.eventBus = eventBus;
  5120.     this.l10n = l10n;
  5121.     this.toggleButton.addEventListener("click", () => {
  5122.       this.toggle();
  5123.     });
  5124.     this.findField.addEventListener("input", () => {
  5125.       this.dispatchEvent("");
  5126.     });
  5127.     this.bar.addEventListener("keydown", e => {
  5128.       switch (e.keyCode) {
  5129.         case 13:
  5130.           if (e.target === this.findField) {
  5131.             this.dispatchEvent("again", e.shiftKey);
  5132.           }
  5133.  
  5134.           break;
  5135.  
  5136.         case 27:
  5137.           this.close();
  5138.           break;
  5139.       }
  5140.     });
  5141.     this.findPreviousButton.addEventListener("click", () => {
  5142.       this.dispatchEvent("again", true);
  5143.     });
  5144.     this.findNextButton.addEventListener("click", () => {
  5145.       this.dispatchEvent("again", false);
  5146.     });
  5147.     this.highlightAll.addEventListener("click", () => {
  5148.       this.dispatchEvent("highlightallchange");
  5149.     });
  5150.     this.caseSensitive.addEventListener("click", () => {
  5151.       this.dispatchEvent("casesensitivitychange");
  5152.     });
  5153.     this.entireWord.addEventListener("click", () => {
  5154.       this.dispatchEvent("entirewordchange");
  5155.     });
  5156.  
  5157.     this.eventBus._on("resize", this._adjustWidth.bind(this));
  5158.   }
  5159.  
  5160.   reset() {
  5161.     this.updateUIState();
  5162.   }
  5163.  
  5164.   dispatchEvent(type, findPrev) {
  5165.     this.eventBus.dispatch("find", {
  5166.       source: this,
  5167.       type,
  5168.       query: this.findField.value,
  5169.       phraseSearch: true,
  5170.       caseSensitive: this.caseSensitive.checked,
  5171.       entireWord: this.entireWord.checked,
  5172.       highlightAll: this.highlightAll.checked,
  5173.       findPrevious: findPrev
  5174.     });
  5175.   }
  5176.  
  5177.   updateUIState(state, previous, matchesCount) {
  5178.     let findMsg = Promise.resolve("");
  5179.     let status = "";
  5180.  
  5181.     switch (state) {
  5182.       case _pdf_find_controller.FindState.FOUND:
  5183.         break;
  5184.  
  5185.       case _pdf_find_controller.FindState.PENDING:
  5186.         status = "pending";
  5187.         break;
  5188.  
  5189.       case _pdf_find_controller.FindState.NOT_FOUND:
  5190.         findMsg = this.l10n.get("find_not_found");
  5191.         status = "notFound";
  5192.         break;
  5193.  
  5194.       case _pdf_find_controller.FindState.WRAPPED:
  5195.         findMsg = this.l10n.get(`find_reached_${previous ? "top" : "bottom"}`);
  5196.         break;
  5197.     }
  5198.  
  5199.     this.findField.setAttribute("data-status", status);
  5200.     findMsg.then(msg => {
  5201.       this.findMsg.textContent = msg;
  5202.  
  5203.       this._adjustWidth();
  5204.     });
  5205.     this.updateResultsCount(matchesCount);
  5206.   }
  5207.  
  5208.   updateResultsCount({
  5209.     current = 0,
  5210.     total = 0
  5211.   } = {}) {
  5212.     const limit = MATCHES_COUNT_LIMIT;
  5213.     let matchCountMsg = Promise.resolve("");
  5214.  
  5215.     if (total > 0) {
  5216.       if (total > limit) {
  5217.         let key = "find_match_count_limit";
  5218.         matchCountMsg = this.l10n.get(key, {
  5219.           limit
  5220.         });
  5221.       } else {
  5222.         let key = "find_match_count";
  5223.         matchCountMsg = this.l10n.get(key, {
  5224.           current,
  5225.           total
  5226.         });
  5227.       }
  5228.     }
  5229.  
  5230.     matchCountMsg.then(msg => {
  5231.       this.findResultsCount.textContent = msg;
  5232.       this.findResultsCount.classList.toggle("hidden", !total);
  5233.  
  5234.       this._adjustWidth();
  5235.     });
  5236.   }
  5237.  
  5238.   open() {
  5239.     if (!this.opened) {
  5240.       this.opened = true;
  5241.       this.toggleButton.classList.add("toggled");
  5242.       this.toggleButton.setAttribute("aria-expanded", "true");
  5243.       this.bar.classList.remove("hidden");
  5244.     }
  5245.  
  5246.     this.findField.select();
  5247.     this.findField.focus();
  5248.  
  5249.     this._adjustWidth();
  5250.   }
  5251.  
  5252.   close() {
  5253.     if (!this.opened) {
  5254.       return;
  5255.     }
  5256.  
  5257.     this.opened = false;
  5258.     this.toggleButton.classList.remove("toggled");
  5259.     this.toggleButton.setAttribute("aria-expanded", "false");
  5260.     this.bar.classList.add("hidden");
  5261.     this.eventBus.dispatch("findbarclose", {
  5262.       source: this
  5263.     });
  5264.   }
  5265.  
  5266.   toggle() {
  5267.     if (this.opened) {
  5268.       this.close();
  5269.     } else {
  5270.       this.open();
  5271.     }
  5272.   }
  5273.  
  5274.   _adjustWidth() {
  5275.     if (!this.opened) {
  5276.       return;
  5277.     }
  5278.  
  5279.     this.bar.classList.remove("wrapContainers");
  5280.     const findbarHeight = this.bar.clientHeight;
  5281.     const inputContainerHeight = this.bar.firstElementChild.clientHeight;
  5282.  
  5283.     if (findbarHeight > inputContainerHeight) {
  5284.       this.bar.classList.add("wrapContainers");
  5285.     }
  5286.   }
  5287.  
  5288. }
  5289.  
  5290. exports.PDFFindBar = PDFFindBar;
  5291.  
  5292. /***/ }),
  5293. /* 15 */
  5294. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  5295.  
  5296.  
  5297.  
  5298. Object.defineProperty(exports, "__esModule", ({
  5299.   value: true
  5300. }));
  5301. exports.PDFFindController = exports.FindState = void 0;
  5302.  
  5303. var _pdfjsLib = __webpack_require__(5);
  5304.  
  5305. var _pdf_find_utils = __webpack_require__(16);
  5306.  
  5307. var _ui_utils = __webpack_require__(4);
  5308.  
  5309. const FindState = {
  5310.   FOUND: 0,
  5311.   NOT_FOUND: 1,
  5312.   WRAPPED: 2,
  5313.   PENDING: 3
  5314. };
  5315. exports.FindState = FindState;
  5316. const FIND_TIMEOUT = 250;
  5317. const MATCH_SCROLL_OFFSET_TOP = -50;
  5318. const MATCH_SCROLL_OFFSET_LEFT = -400;
  5319. const CHARACTERS_TO_NORMALIZE = {
  5320.   "\u2018": "'",
  5321.   "\u2019": "'",
  5322.   "\u201A": "'",
  5323.   "\u201B": "'",
  5324.   "\u201C": '"',
  5325.   "\u201D": '"',
  5326.   "\u201E": '"',
  5327.   "\u201F": '"',
  5328.   "\u00BC": "1/4",
  5329.   "\u00BD": "1/2",
  5330.   "\u00BE": "3/4"
  5331. };
  5332. let normalizationRegex = null;
  5333.  
  5334. function normalize(text) {
  5335.   if (!normalizationRegex) {
  5336.     const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
  5337.     normalizationRegex = new RegExp(`[${replace}]`, "g");
  5338.   }
  5339.  
  5340.   let diffs = null;
  5341.   const normalizedText = text.replace(normalizationRegex, function (ch, index) {
  5342.     const normalizedCh = CHARACTERS_TO_NORMALIZE[ch],
  5343.           diff = normalizedCh.length - ch.length;
  5344.  
  5345.     if (diff !== 0) {
  5346.       (diffs || (diffs = [])).push([index, diff]);
  5347.     }
  5348.  
  5349.     return normalizedCh;
  5350.   });
  5351.   return [normalizedText, diffs];
  5352. }
  5353.  
  5354. function getOriginalIndex(matchIndex, diffs = null) {
  5355.   if (!diffs) {
  5356.     return matchIndex;
  5357.   }
  5358.  
  5359.   let totalDiff = 0;
  5360.  
  5361.   for (const [index, diff] of diffs) {
  5362.     const currentIndex = index + totalDiff;
  5363.  
  5364.     if (currentIndex >= matchIndex) {
  5365.       break;
  5366.     }
  5367.  
  5368.     if (currentIndex + diff > matchIndex) {
  5369.       totalDiff += matchIndex - currentIndex;
  5370.       break;
  5371.     }
  5372.  
  5373.     totalDiff += diff;
  5374.   }
  5375.  
  5376.   return matchIndex - totalDiff;
  5377. }
  5378.  
  5379. class PDFFindController {
  5380.   constructor({
  5381.     linkService,
  5382.     eventBus
  5383.   }) {
  5384.     this._linkService = linkService;
  5385.     this._eventBus = eventBus;
  5386.  
  5387.     this._reset();
  5388.  
  5389.     eventBus._on("findbarclose", this._onFindBarClose.bind(this));
  5390.   }
  5391.  
  5392.   get highlightMatches() {
  5393.     return this._highlightMatches;
  5394.   }
  5395.  
  5396.   get pageMatches() {
  5397.     return this._pageMatches;
  5398.   }
  5399.  
  5400.   get pageMatchesLength() {
  5401.     return this._pageMatchesLength;
  5402.   }
  5403.  
  5404.   get selected() {
  5405.     return this._selected;
  5406.   }
  5407.  
  5408.   get state() {
  5409.     return this._state;
  5410.   }
  5411.  
  5412.   setDocument(pdfDocument) {
  5413.     if (this._pdfDocument) {
  5414.       this._reset();
  5415.     }
  5416.  
  5417.     if (!pdfDocument) {
  5418.       return;
  5419.     }
  5420.  
  5421.     this._pdfDocument = pdfDocument;
  5422.  
  5423.     this._firstPageCapability.resolve();
  5424.   }
  5425.  
  5426.   executeCommand(cmd, state) {
  5427.     if (!state) {
  5428.       return;
  5429.     }
  5430.  
  5431.     const pdfDocument = this._pdfDocument;
  5432.  
  5433.     if (this._state === null || this._shouldDirtyMatch(cmd, state)) {
  5434.       this._dirtyMatch = true;
  5435.     }
  5436.  
  5437.     this._state = state;
  5438.  
  5439.     if (cmd !== "findhighlightallchange") {
  5440.       this._updateUIState(FindState.PENDING);
  5441.     }
  5442.  
  5443.     this._firstPageCapability.promise.then(() => {
  5444.       if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
  5445.         return;
  5446.       }
  5447.  
  5448.       this._extractText();
  5449.  
  5450.       const findbarClosed = !this._highlightMatches;
  5451.       const pendingTimeout = !!this._findTimeout;
  5452.  
  5453.       if (this._findTimeout) {
  5454.         clearTimeout(this._findTimeout);
  5455.         this._findTimeout = null;
  5456.       }
  5457.  
  5458.       if (cmd === "find") {
  5459.         this._findTimeout = setTimeout(() => {
  5460.           this._nextMatch();
  5461.  
  5462.           this._findTimeout = null;
  5463.         }, FIND_TIMEOUT);
  5464.       } else if (this._dirtyMatch) {
  5465.         this._nextMatch();
  5466.       } else if (cmd === "findagain") {
  5467.         this._nextMatch();
  5468.  
  5469.         if (findbarClosed && this._state.highlightAll) {
  5470.           this._updateAllPages();
  5471.         }
  5472.       } else if (cmd === "findhighlightallchange") {
  5473.         if (pendingTimeout) {
  5474.           this._nextMatch();
  5475.         } else {
  5476.           this._highlightMatches = true;
  5477.         }
  5478.  
  5479.         this._updateAllPages();
  5480.       } else {
  5481.         this._nextMatch();
  5482.       }
  5483.     });
  5484.   }
  5485.  
  5486.   scrollMatchIntoView({
  5487.     element = null,
  5488.     pageIndex = -1,
  5489.     matchIndex = -1
  5490.   }) {
  5491.     if (!this._scrollMatches || !element) {
  5492.       return;
  5493.     } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
  5494.       return;
  5495.     } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
  5496.       return;
  5497.     }
  5498.  
  5499.     this._scrollMatches = false;
  5500.     const spot = {
  5501.       top: MATCH_SCROLL_OFFSET_TOP,
  5502.       left: MATCH_SCROLL_OFFSET_LEFT
  5503.     };
  5504.     (0, _ui_utils.scrollIntoView)(element, spot, true);
  5505.   }
  5506.  
  5507.   _reset() {
  5508.     this._highlightMatches = false;
  5509.     this._scrollMatches = false;
  5510.     this._pdfDocument = null;
  5511.     this._pageMatches = [];
  5512.     this._pageMatchesLength = [];
  5513.     this._state = null;
  5514.     this._selected = {
  5515.       pageIdx: -1,
  5516.       matchIdx: -1
  5517.     };
  5518.     this._offset = {
  5519.       pageIdx: null,
  5520.       matchIdx: null,
  5521.       wrapped: false
  5522.     };
  5523.     this._extractTextPromises = [];
  5524.     this._pageContents = [];
  5525.     this._pageDiffs = [];
  5526.     this._matchesCountTotal = 0;
  5527.     this._pagesToSearch = null;
  5528.     this._pendingFindMatches = Object.create(null);
  5529.     this._resumePageIdx = null;
  5530.     this._dirtyMatch = false;
  5531.     clearTimeout(this._findTimeout);
  5532.     this._findTimeout = null;
  5533.     this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
  5534.   }
  5535.  
  5536.   get _query() {
  5537.     if (this._state.query !== this._rawQuery) {
  5538.       this._rawQuery = this._state.query;
  5539.       [this._normalizedQuery] = normalize(this._state.query);
  5540.     }
  5541.  
  5542.     return this._normalizedQuery;
  5543.   }
  5544.  
  5545.   _shouldDirtyMatch(cmd, state) {
  5546.     if (state.query !== this._state.query) {
  5547.       return true;
  5548.     }
  5549.  
  5550.     switch (cmd) {
  5551.       case "findagain":
  5552.         const pageNumber = this._selected.pageIdx + 1;
  5553.         const linkService = this._linkService;
  5554.  
  5555.         if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
  5556.           return true;
  5557.         }
  5558.  
  5559.         return false;
  5560.  
  5561.       case "findhighlightallchange":
  5562.         return false;
  5563.     }
  5564.  
  5565.     return true;
  5566.   }
  5567.  
  5568.   _prepareMatches(matchesWithLength, matches, matchesLength) {
  5569.     function isSubTerm(currentIndex) {
  5570.       const currentElem = matchesWithLength[currentIndex];
  5571.       const nextElem = matchesWithLength[currentIndex + 1];
  5572.  
  5573.       if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
  5574.         currentElem.skipped = true;
  5575.         return true;
  5576.       }
  5577.  
  5578.       for (let i = currentIndex - 1; i >= 0; i--) {
  5579.         const prevElem = matchesWithLength[i];
  5580.  
  5581.         if (prevElem.skipped) {
  5582.           continue;
  5583.         }
  5584.  
  5585.         if (prevElem.match + prevElem.matchLength < currentElem.match) {
  5586.           break;
  5587.         }
  5588.  
  5589.         if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
  5590.           currentElem.skipped = true;
  5591.           return true;
  5592.         }
  5593.       }
  5594.  
  5595.       return false;
  5596.     }
  5597.  
  5598.     matchesWithLength.sort(function (a, b) {
  5599.       return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
  5600.     });
  5601.  
  5602.     for (let i = 0, len = matchesWithLength.length; i < len; i++) {
  5603.       if (isSubTerm(i)) {
  5604.         continue;
  5605.       }
  5606.  
  5607.       matches.push(matchesWithLength[i].match);
  5608.       matchesLength.push(matchesWithLength[i].matchLength);
  5609.     }
  5610.   }
  5611.  
  5612.   _isEntireWord(content, startIdx, length) {
  5613.     if (startIdx > 0) {
  5614.       const first = content.charCodeAt(startIdx);
  5615.       const limit = content.charCodeAt(startIdx - 1);
  5616.  
  5617.       if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
  5618.         return false;
  5619.       }
  5620.     }
  5621.  
  5622.     const endIdx = startIdx + length - 1;
  5623.  
  5624.     if (endIdx < content.length - 1) {
  5625.       const last = content.charCodeAt(endIdx);
  5626.       const limit = content.charCodeAt(endIdx + 1);
  5627.  
  5628.       if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) {
  5629.         return false;
  5630.       }
  5631.     }
  5632.  
  5633.     return true;
  5634.   }
  5635.  
  5636.   _calculatePhraseMatch(query, pageIndex, pageContent, pageDiffs, entireWord) {
  5637.     const matches = [],
  5638.           matchesLength = [];
  5639.     const queryLen = query.length;
  5640.     let matchIdx = -queryLen;
  5641.  
  5642.     while (true) {
  5643.       matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
  5644.  
  5645.       if (matchIdx === -1) {
  5646.         break;
  5647.       }
  5648.  
  5649.       if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
  5650.         continue;
  5651.       }
  5652.  
  5653.       const originalMatchIdx = getOriginalIndex(matchIdx, pageDiffs),
  5654.             matchEnd = matchIdx + queryLen - 1,
  5655.             originalQueryLen = getOriginalIndex(matchEnd, pageDiffs) - originalMatchIdx + 1;
  5656.       matches.push(originalMatchIdx);
  5657.       matchesLength.push(originalQueryLen);
  5658.     }
  5659.  
  5660.     this._pageMatches[pageIndex] = matches;
  5661.     this._pageMatchesLength[pageIndex] = matchesLength;
  5662.   }
  5663.  
  5664.   _calculateWordMatch(query, pageIndex, pageContent, pageDiffs, entireWord) {
  5665.     const matchesWithLength = [];
  5666.     const queryArray = query.match(/\S+/g);
  5667.  
  5668.     for (let i = 0, len = queryArray.length; i < len; i++) {
  5669.       const subquery = queryArray[i];
  5670.       const subqueryLen = subquery.length;
  5671.       let matchIdx = -subqueryLen;
  5672.  
  5673.       while (true) {
  5674.         matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
  5675.  
  5676.         if (matchIdx === -1) {
  5677.           break;
  5678.         }
  5679.  
  5680.         if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
  5681.           continue;
  5682.         }
  5683.  
  5684.         const originalMatchIdx = getOriginalIndex(matchIdx, pageDiffs),
  5685.               matchEnd = matchIdx + subqueryLen - 1,
  5686.               originalQueryLen = getOriginalIndex(matchEnd, pageDiffs) - originalMatchIdx + 1;
  5687.         matchesWithLength.push({
  5688.           match: originalMatchIdx,
  5689.           matchLength: originalQueryLen,
  5690.           skipped: false
  5691.         });
  5692.       }
  5693.     }
  5694.  
  5695.     this._pageMatchesLength[pageIndex] = [];
  5696.     this._pageMatches[pageIndex] = [];
  5697.  
  5698.     this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
  5699.   }
  5700.  
  5701.   _calculateMatch(pageIndex) {
  5702.     let pageContent = this._pageContents[pageIndex];
  5703.     const pageDiffs = this._pageDiffs[pageIndex];
  5704.     let query = this._query;
  5705.     const {
  5706.       caseSensitive,
  5707.       entireWord,
  5708.       phraseSearch
  5709.     } = this._state;
  5710.  
  5711.     if (query.length === 0) {
  5712.       return;
  5713.     }
  5714.  
  5715.     if (!caseSensitive) {
  5716.       pageContent = pageContent.toLowerCase();
  5717.       query = query.toLowerCase();
  5718.     }
  5719.  
  5720.     if (phraseSearch) {
  5721.       this._calculatePhraseMatch(query, pageIndex, pageContent, pageDiffs, entireWord);
  5722.     } else {
  5723.       this._calculateWordMatch(query, pageIndex, pageContent, pageDiffs, entireWord);
  5724.     }
  5725.  
  5726.     if (this._state.highlightAll) {
  5727.       this._updatePage(pageIndex);
  5728.     }
  5729.  
  5730.     if (this._resumePageIdx === pageIndex) {
  5731.       this._resumePageIdx = null;
  5732.  
  5733.       this._nextPageMatch();
  5734.     }
  5735.  
  5736.     const pageMatchesCount = this._pageMatches[pageIndex].length;
  5737.  
  5738.     if (pageMatchesCount > 0) {
  5739.       this._matchesCountTotal += pageMatchesCount;
  5740.  
  5741.       this._updateUIResultsCount();
  5742.     }
  5743.   }
  5744.  
  5745.   _extractText() {
  5746.     if (this._extractTextPromises.length > 0) {
  5747.       return;
  5748.     }
  5749.  
  5750.     let promise = Promise.resolve();
  5751.  
  5752.     for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
  5753.       const extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
  5754.       this._extractTextPromises[i] = extractTextCapability.promise;
  5755.       promise = promise.then(() => {
  5756.         return this._pdfDocument.getPage(i + 1).then(pdfPage => {
  5757.           return pdfPage.getTextContent({
  5758.             normalizeWhitespace: true
  5759.           });
  5760.         }).then(textContent => {
  5761.           const textItems = textContent.items;
  5762.           const strBuf = [];
  5763.  
  5764.           for (let j = 0, jj = textItems.length; j < jj; j++) {
  5765.             strBuf.push(textItems[j].str);
  5766.           }
  5767.  
  5768.           [this._pageContents[i], this._pageDiffs[i]] = normalize(strBuf.join(""));
  5769.           extractTextCapability.resolve(i);
  5770.         }, reason => {
  5771.           console.error(`Unable to get text content for page ${i + 1}`, reason);
  5772.           this._pageContents[i] = "";
  5773.           this._pageDiffs[i] = null;
  5774.           extractTextCapability.resolve(i);
  5775.         });
  5776.       });
  5777.     }
  5778.   }
  5779.  
  5780.   _updatePage(index) {
  5781.     if (this._scrollMatches && this._selected.pageIdx === index) {
  5782.       this._linkService.page = index + 1;
  5783.     }
  5784.  
  5785.     this._eventBus.dispatch("updatetextlayermatches", {
  5786.       source: this,
  5787.       pageIndex: index
  5788.     });
  5789.   }
  5790.  
  5791.   _updateAllPages() {
  5792.     this._eventBus.dispatch("updatetextlayermatches", {
  5793.       source: this,
  5794.       pageIndex: -1
  5795.     });
  5796.   }
  5797.  
  5798.   _nextMatch() {
  5799.     const previous = this._state.findPrevious;
  5800.     const currentPageIndex = this._linkService.page - 1;
  5801.     const numPages = this._linkService.pagesCount;
  5802.     this._highlightMatches = true;
  5803.  
  5804.     if (this._dirtyMatch) {
  5805.       this._dirtyMatch = false;
  5806.       this._selected.pageIdx = this._selected.matchIdx = -1;
  5807.       this._offset.pageIdx = currentPageIndex;
  5808.       this._offset.matchIdx = null;
  5809.       this._offset.wrapped = false;
  5810.       this._resumePageIdx = null;
  5811.       this._pageMatches.length = 0;
  5812.       this._pageMatchesLength.length = 0;
  5813.       this._matchesCountTotal = 0;
  5814.  
  5815.       this._updateAllPages();
  5816.  
  5817.       for (let i = 0; i < numPages; i++) {
  5818.         if (this._pendingFindMatches[i] === true) {
  5819.           continue;
  5820.         }
  5821.  
  5822.         this._pendingFindMatches[i] = true;
  5823.  
  5824.         this._extractTextPromises[i].then(pageIdx => {
  5825.           delete this._pendingFindMatches[pageIdx];
  5826.  
  5827.           this._calculateMatch(pageIdx);
  5828.         });
  5829.       }
  5830.     }
  5831.  
  5832.     if (this._query === "") {
  5833.       this._updateUIState(FindState.FOUND);
  5834.  
  5835.       return;
  5836.     }
  5837.  
  5838.     if (this._resumePageIdx) {
  5839.       return;
  5840.     }
  5841.  
  5842.     const offset = this._offset;
  5843.     this._pagesToSearch = numPages;
  5844.  
  5845.     if (offset.matchIdx !== null) {
  5846.       const numPageMatches = this._pageMatches[offset.pageIdx].length;
  5847.  
  5848.       if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
  5849.         offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
  5850.  
  5851.         this._updateMatch(true);
  5852.  
  5853.         return;
  5854.       }
  5855.  
  5856.       this._advanceOffsetPage(previous);
  5857.     }
  5858.  
  5859.     this._nextPageMatch();
  5860.   }
  5861.  
  5862.   _matchesReady(matches) {
  5863.     const offset = this._offset;
  5864.     const numMatches = matches.length;
  5865.     const previous = this._state.findPrevious;
  5866.  
  5867.     if (numMatches) {
  5868.       offset.matchIdx = previous ? numMatches - 1 : 0;
  5869.  
  5870.       this._updateMatch(true);
  5871.  
  5872.       return true;
  5873.     }
  5874.  
  5875.     this._advanceOffsetPage(previous);
  5876.  
  5877.     if (offset.wrapped) {
  5878.       offset.matchIdx = null;
  5879.  
  5880.       if (this._pagesToSearch < 0) {
  5881.         this._updateMatch(false);
  5882.  
  5883.         return true;
  5884.       }
  5885.     }
  5886.  
  5887.     return false;
  5888.   }
  5889.  
  5890.   _nextPageMatch() {
  5891.     if (this._resumePageIdx !== null) {
  5892.       console.error("There can only be one pending page.");
  5893.     }
  5894.  
  5895.     let matches = null;
  5896.  
  5897.     do {
  5898.       const pageIdx = this._offset.pageIdx;
  5899.       matches = this._pageMatches[pageIdx];
  5900.  
  5901.       if (!matches) {
  5902.         this._resumePageIdx = pageIdx;
  5903.         break;
  5904.       }
  5905.     } while (!this._matchesReady(matches));
  5906.   }
  5907.  
  5908.   _advanceOffsetPage(previous) {
  5909.     const offset = this._offset;
  5910.     const numPages = this._linkService.pagesCount;
  5911.     offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
  5912.     offset.matchIdx = null;
  5913.     this._pagesToSearch--;
  5914.  
  5915.     if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
  5916.       offset.pageIdx = previous ? numPages - 1 : 0;
  5917.       offset.wrapped = true;
  5918.     }
  5919.   }
  5920.  
  5921.   _updateMatch(found = false) {
  5922.     let state = FindState.NOT_FOUND;
  5923.     const wrapped = this._offset.wrapped;
  5924.     this._offset.wrapped = false;
  5925.  
  5926.     if (found) {
  5927.       const previousPage = this._selected.pageIdx;
  5928.       this._selected.pageIdx = this._offset.pageIdx;
  5929.       this._selected.matchIdx = this._offset.matchIdx;
  5930.       state = wrapped ? FindState.WRAPPED : FindState.FOUND;
  5931.  
  5932.       if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
  5933.         this._updatePage(previousPage);
  5934.       }
  5935.     }
  5936.  
  5937.     this._updateUIState(state, this._state.findPrevious);
  5938.  
  5939.     if (this._selected.pageIdx !== -1) {
  5940.       this._scrollMatches = true;
  5941.  
  5942.       this._updatePage(this._selected.pageIdx);
  5943.     }
  5944.   }
  5945.  
  5946.   _onFindBarClose(evt) {
  5947.     const pdfDocument = this._pdfDocument;
  5948.  
  5949.     this._firstPageCapability.promise.then(() => {
  5950.       if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
  5951.         return;
  5952.       }
  5953.  
  5954.       if (this._findTimeout) {
  5955.         clearTimeout(this._findTimeout);
  5956.         this._findTimeout = null;
  5957.       }
  5958.  
  5959.       if (this._resumePageIdx) {
  5960.         this._resumePageIdx = null;
  5961.         this._dirtyMatch = true;
  5962.       }
  5963.  
  5964.       this._updateUIState(FindState.FOUND);
  5965.  
  5966.       this._highlightMatches = false;
  5967.  
  5968.       this._updateAllPages();
  5969.     });
  5970.   }
  5971.  
  5972.   _requestMatchesCount() {
  5973.     const {
  5974.       pageIdx,
  5975.       matchIdx
  5976.     } = this._selected;
  5977.     let current = 0,
  5978.         total = this._matchesCountTotal;
  5979.  
  5980.     if (matchIdx !== -1) {
  5981.       for (let i = 0; i < pageIdx; i++) {
  5982.         current += this._pageMatches[i]?.length || 0;
  5983.       }
  5984.  
  5985.       current += matchIdx + 1;
  5986.     }
  5987.  
  5988.     if (current < 1 || current > total) {
  5989.       current = total = 0;
  5990.     }
  5991.  
  5992.     return {
  5993.       current,
  5994.       total
  5995.     };
  5996.   }
  5997.  
  5998.   _updateUIResultsCount() {
  5999.     this._eventBus.dispatch("updatefindmatchescount", {
  6000.       source: this,
  6001.       matchesCount: this._requestMatchesCount()
  6002.     });
  6003.   }
  6004.  
  6005.   _updateUIState(state, previous) {
  6006.     this._eventBus.dispatch("updatefindcontrolstate", {
  6007.       source: this,
  6008.       state,
  6009.       previous,
  6010.       matchesCount: this._requestMatchesCount(),
  6011.       rawQuery: this._state?.query ?? null
  6012.     });
  6013.   }
  6014.  
  6015. }
  6016.  
  6017. exports.PDFFindController = PDFFindController;
  6018.  
  6019. /***/ }),
  6020. /* 16 */
  6021. /***/ ((__unused_webpack_module, exports) => {
  6022.  
  6023.  
  6024.  
  6025. Object.defineProperty(exports, "__esModule", ({
  6026.   value: true
  6027. }));
  6028. exports.getCharacterType = getCharacterType;
  6029. exports.CharacterType = void 0;
  6030. const CharacterType = {
  6031.   SPACE: 0,
  6032.   ALPHA_LETTER: 1,
  6033.   PUNCT: 2,
  6034.   HAN_LETTER: 3,
  6035.   KATAKANA_LETTER: 4,
  6036.   HIRAGANA_LETTER: 5,
  6037.   HALFWIDTH_KATAKANA_LETTER: 6,
  6038.   THAI_LETTER: 7
  6039. };
  6040. exports.CharacterType = CharacterType;
  6041.  
  6042. function isAlphabeticalScript(charCode) {
  6043.   return charCode < 0x2e80;
  6044. }
  6045.  
  6046. function isAscii(charCode) {
  6047.   return (charCode & 0xff80) === 0;
  6048. }
  6049.  
  6050. function isAsciiAlpha(charCode) {
  6051.   return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
  6052. }
  6053.  
  6054. function isAsciiDigit(charCode) {
  6055.   return charCode >= 0x30 && charCode <= 0x39;
  6056. }
  6057.  
  6058. function isAsciiSpace(charCode) {
  6059.   return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
  6060. }
  6061.  
  6062. function isHan(charCode) {
  6063.   return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
  6064. }
  6065.  
  6066. function isKatakana(charCode) {
  6067.   return charCode >= 0x30a0 && charCode <= 0x30ff;
  6068. }
  6069.  
  6070. function isHiragana(charCode) {
  6071.   return charCode >= 0x3040 && charCode <= 0x309f;
  6072. }
  6073.  
  6074. function isHalfwidthKatakana(charCode) {
  6075.   return charCode >= 0xff60 && charCode <= 0xff9f;
  6076. }
  6077.  
  6078. function isThai(charCode) {
  6079.   return (charCode & 0xff80) === 0x0e00;
  6080. }
  6081.  
  6082. function getCharacterType(charCode) {
  6083.   if (isAlphabeticalScript(charCode)) {
  6084.     if (isAscii(charCode)) {
  6085.       if (isAsciiSpace(charCode)) {
  6086.         return CharacterType.SPACE;
  6087.       } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
  6088.         return CharacterType.ALPHA_LETTER;
  6089.       }
  6090.  
  6091.       return CharacterType.PUNCT;
  6092.     } else if (isThai(charCode)) {
  6093.       return CharacterType.THAI_LETTER;
  6094.     } else if (charCode === 0xa0) {
  6095.       return CharacterType.SPACE;
  6096.     }
  6097.  
  6098.     return CharacterType.ALPHA_LETTER;
  6099.   }
  6100.  
  6101.   if (isHan(charCode)) {
  6102.     return CharacterType.HAN_LETTER;
  6103.   } else if (isKatakana(charCode)) {
  6104.     return CharacterType.KATAKANA_LETTER;
  6105.   } else if (isHiragana(charCode)) {
  6106.     return CharacterType.HIRAGANA_LETTER;
  6107.   } else if (isHalfwidthKatakana(charCode)) {
  6108.     return CharacterType.HALFWIDTH_KATAKANA_LETTER;
  6109.   }
  6110.  
  6111.   return CharacterType.ALPHA_LETTER;
  6112. }
  6113.  
  6114. /***/ }),
  6115. /* 17 */
  6116. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  6117.  
  6118.  
  6119.  
  6120. Object.defineProperty(exports, "__esModule", ({
  6121.   value: true
  6122. }));
  6123. exports.isDestArraysEqual = isDestArraysEqual;
  6124. exports.isDestHashesEqual = isDestHashesEqual;
  6125. exports.PDFHistory = void 0;
  6126.  
  6127. var _ui_utils = __webpack_require__(4);
  6128.  
  6129. const HASH_CHANGE_TIMEOUT = 1000;
  6130. const POSITION_UPDATED_THRESHOLD = 50;
  6131. const UPDATE_VIEWAREA_TIMEOUT = 1000;
  6132.  
  6133. function getCurrentHash() {
  6134.   return document.location.hash;
  6135. }
  6136.  
  6137. class PDFHistory {
  6138.   constructor({
  6139.     linkService,
  6140.     eventBus
  6141.   }) {
  6142.     this.linkService = linkService;
  6143.     this.eventBus = eventBus;
  6144.     this._initialized = false;
  6145.     this._fingerprint = "";
  6146.     this.reset();
  6147.     this._boundEvents = null;
  6148.     this._isViewerInPresentationMode = false;
  6149.  
  6150.     this.eventBus._on("presentationmodechanged", evt => {
  6151.       this._isViewerInPresentationMode = evt.state !== _ui_utils.PresentationModeState.NORMAL;
  6152.     });
  6153.  
  6154.     this.eventBus._on("pagesinit", () => {
  6155.       this._isPagesLoaded = false;
  6156.  
  6157.       this.eventBus._on("pagesloaded", evt => {
  6158.         this._isPagesLoaded = !!evt.pagesCount;
  6159.       }, {
  6160.         once: true
  6161.       });
  6162.     });
  6163.   }
  6164.  
  6165.   initialize({
  6166.     fingerprint,
  6167.     resetHistory = false,
  6168.     updateUrl = false
  6169.   }) {
  6170.     if (!fingerprint || typeof fingerprint !== "string") {
  6171.       console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
  6172.       return;
  6173.     }
  6174.  
  6175.     if (this._initialized) {
  6176.       this.reset();
  6177.     }
  6178.  
  6179.     const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
  6180.     this._fingerprint = fingerprint;
  6181.     this._updateUrl = updateUrl === true;
  6182.     this._initialized = true;
  6183.  
  6184.     this._bindEvents();
  6185.  
  6186.     const state = window.history.state;
  6187.     this._popStateInProgress = false;
  6188.     this._blockHashChange = 0;
  6189.     this._currentHash = getCurrentHash();
  6190.     this._numPositionUpdates = 0;
  6191.     this._uid = this._maxUid = 0;
  6192.     this._destination = null;
  6193.     this._position = null;
  6194.  
  6195.     if (!this._isValidState(state, true) || resetHistory) {
  6196.       const {
  6197.         hash,
  6198.         page,
  6199.         rotation
  6200.       } = this._parseCurrentHash(true);
  6201.  
  6202.       if (!hash || reInitialized || resetHistory) {
  6203.         this._pushOrReplaceState(null, true);
  6204.  
  6205.         return;
  6206.       }
  6207.  
  6208.       this._pushOrReplaceState({
  6209.         hash,
  6210.         page,
  6211.         rotation
  6212.       }, true);
  6213.  
  6214.       return;
  6215.     }
  6216.  
  6217.     const destination = state.destination;
  6218.  
  6219.     this._updateInternalState(destination, state.uid, true);
  6220.  
  6221.     if (destination.rotation !== undefined) {
  6222.       this._initialRotation = destination.rotation;
  6223.     }
  6224.  
  6225.     if (destination.dest) {
  6226.       this._initialBookmark = JSON.stringify(destination.dest);
  6227.       this._destination.page = null;
  6228.     } else if (destination.hash) {
  6229.       this._initialBookmark = destination.hash;
  6230.     } else if (destination.page) {
  6231.       this._initialBookmark = `page=${destination.page}`;
  6232.     }
  6233.   }
  6234.  
  6235.   reset() {
  6236.     if (this._initialized) {
  6237.       this._pageHide();
  6238.  
  6239.       this._initialized = false;
  6240.  
  6241.       this._unbindEvents();
  6242.     }
  6243.  
  6244.     if (this._updateViewareaTimeout) {
  6245.       clearTimeout(this._updateViewareaTimeout);
  6246.       this._updateViewareaTimeout = null;
  6247.     }
  6248.  
  6249.     this._initialBookmark = null;
  6250.     this._initialRotation = null;
  6251.   }
  6252.  
  6253.   push({
  6254.     namedDest = null,
  6255.     explicitDest,
  6256.     pageNumber
  6257.   }) {
  6258.     if (!this._initialized) {
  6259.       return;
  6260.     }
  6261.  
  6262.     if (namedDest && typeof namedDest !== "string") {
  6263.       console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
  6264.       return;
  6265.     } else if (!Array.isArray(explicitDest)) {
  6266.       console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
  6267.       return;
  6268.     } else if (!this._isValidPage(pageNumber)) {
  6269.       if (pageNumber !== null || this._destination) {
  6270.         console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
  6271.         return;
  6272.       }
  6273.     }
  6274.  
  6275.     const hash = namedDest || JSON.stringify(explicitDest);
  6276.  
  6277.     if (!hash) {
  6278.       return;
  6279.     }
  6280.  
  6281.     let forceReplace = false;
  6282.  
  6283.     if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
  6284.       if (this._destination.page) {
  6285.         return;
  6286.       }
  6287.  
  6288.       forceReplace = true;
  6289.     }
  6290.  
  6291.     if (this._popStateInProgress && !forceReplace) {
  6292.       return;
  6293.     }
  6294.  
  6295.     this._pushOrReplaceState({
  6296.       dest: explicitDest,
  6297.       hash,
  6298.       page: pageNumber,
  6299.       rotation: this.linkService.rotation
  6300.     }, forceReplace);
  6301.  
  6302.     if (!this._popStateInProgress) {
  6303.       this._popStateInProgress = true;
  6304.       Promise.resolve().then(() => {
  6305.         this._popStateInProgress = false;
  6306.       });
  6307.     }
  6308.   }
  6309.  
  6310.   pushPage(pageNumber) {
  6311.     if (!this._initialized) {
  6312.       return;
  6313.     }
  6314.  
  6315.     if (!this._isValidPage(pageNumber)) {
  6316.       console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`);
  6317.       return;
  6318.     }
  6319.  
  6320.     if (this._destination?.page === pageNumber) {
  6321.       return;
  6322.     }
  6323.  
  6324.     if (this._popStateInProgress) {
  6325.       return;
  6326.     }
  6327.  
  6328.     this._pushOrReplaceState({
  6329.       dest: null,
  6330.       hash: `page=${pageNumber}`,
  6331.       page: pageNumber,
  6332.       rotation: this.linkService.rotation
  6333.     });
  6334.  
  6335.     if (!this._popStateInProgress) {
  6336.       this._popStateInProgress = true;
  6337.       Promise.resolve().then(() => {
  6338.         this._popStateInProgress = false;
  6339.       });
  6340.     }
  6341.   }
  6342.  
  6343.   pushCurrentPosition() {
  6344.     if (!this._initialized || this._popStateInProgress) {
  6345.       return;
  6346.     }
  6347.  
  6348.     this._tryPushCurrentPosition();
  6349.   }
  6350.  
  6351.   back() {
  6352.     if (!this._initialized || this._popStateInProgress) {
  6353.       return;
  6354.     }
  6355.  
  6356.     const state = window.history.state;
  6357.  
  6358.     if (this._isValidState(state) && state.uid > 0) {
  6359.       window.history.back();
  6360.     }
  6361.   }
  6362.  
  6363.   forward() {
  6364.     if (!this._initialized || this._popStateInProgress) {
  6365.       return;
  6366.     }
  6367.  
  6368.     const state = window.history.state;
  6369.  
  6370.     if (this._isValidState(state) && state.uid < this._maxUid) {
  6371.       window.history.forward();
  6372.     }
  6373.   }
  6374.  
  6375.   get popStateInProgress() {
  6376.     return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
  6377.   }
  6378.  
  6379.   get initialBookmark() {
  6380.     return this._initialized ? this._initialBookmark : null;
  6381.   }
  6382.  
  6383.   get initialRotation() {
  6384.     return this._initialized ? this._initialRotation : null;
  6385.   }
  6386.  
  6387.   _pushOrReplaceState(destination, forceReplace = false) {
  6388.     const shouldReplace = forceReplace || !this._destination;
  6389.     const newState = {
  6390.       fingerprint: this._fingerprint,
  6391.       uid: shouldReplace ? this._uid : this._uid + 1,
  6392.       destination
  6393.     };
  6394.  
  6395.     this._updateInternalState(destination, newState.uid);
  6396.  
  6397.     let newUrl;
  6398.  
  6399.     if (this._updateUrl && destination?.hash) {
  6400.       const baseUrl = document.location.href.split("#")[0];
  6401.  
  6402.       if (!baseUrl.startsWith("file://")) {
  6403.         newUrl = `${baseUrl}#${destination.hash}`;
  6404.       }
  6405.     }
  6406.  
  6407.     if (shouldReplace) {
  6408.       window.history.replaceState(newState, "", newUrl);
  6409.     } else {
  6410.       window.history.pushState(newState, "", newUrl);
  6411.     }
  6412.   }
  6413.  
  6414.   _tryPushCurrentPosition(temporary = false) {
  6415.     if (!this._position) {
  6416.       return;
  6417.     }
  6418.  
  6419.     let position = this._position;
  6420.  
  6421.     if (temporary) {
  6422.       position = Object.assign(Object.create(null), this._position);
  6423.       position.temporary = true;
  6424.     }
  6425.  
  6426.     if (!this._destination) {
  6427.       this._pushOrReplaceState(position);
  6428.  
  6429.       return;
  6430.     }
  6431.  
  6432.     if (this._destination.temporary) {
  6433.       this._pushOrReplaceState(position, true);
  6434.  
  6435.       return;
  6436.     }
  6437.  
  6438.     if (this._destination.hash === position.hash) {
  6439.       return;
  6440.     }
  6441.  
  6442.     if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
  6443.       return;
  6444.     }
  6445.  
  6446.     let forceReplace = false;
  6447.  
  6448.     if (this._destination.page >= position.first && this._destination.page <= position.page) {
  6449.       if (this._destination.dest !== undefined || !this._destination.first) {
  6450.         return;
  6451.       }
  6452.  
  6453.       forceReplace = true;
  6454.     }
  6455.  
  6456.     this._pushOrReplaceState(position, forceReplace);
  6457.   }
  6458.  
  6459.   _isValidPage(val) {
  6460.     return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount;
  6461.   }
  6462.  
  6463.   _isValidState(state, checkReload = false) {
  6464.     if (!state) {
  6465.       return false;
  6466.     }
  6467.  
  6468.     if (state.fingerprint !== this._fingerprint) {
  6469.       if (checkReload) {
  6470.         if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
  6471.           return false;
  6472.         }
  6473.  
  6474.         const [perfEntry] = performance.getEntriesByType("navigation");
  6475.  
  6476.         if (perfEntry?.type !== "reload") {
  6477.           return false;
  6478.         }
  6479.       } else {
  6480.         return false;
  6481.       }
  6482.     }
  6483.  
  6484.     if (!Number.isInteger(state.uid) || state.uid < 0) {
  6485.       return false;
  6486.     }
  6487.  
  6488.     if (state.destination === null || typeof state.destination !== "object") {
  6489.       return false;
  6490.     }
  6491.  
  6492.     return true;
  6493.   }
  6494.  
  6495.   _updateInternalState(destination, uid, removeTemporary = false) {
  6496.     if (this._updateViewareaTimeout) {
  6497.       clearTimeout(this._updateViewareaTimeout);
  6498.       this._updateViewareaTimeout = null;
  6499.     }
  6500.  
  6501.     if (removeTemporary && destination?.temporary) {
  6502.       delete destination.temporary;
  6503.     }
  6504.  
  6505.     this._destination = destination;
  6506.     this._uid = uid;
  6507.     this._maxUid = Math.max(this._maxUid, uid);
  6508.     this._numPositionUpdates = 0;
  6509.   }
  6510.  
  6511.   _parseCurrentHash(checkNameddest = false) {
  6512.     const hash = unescape(getCurrentHash()).substring(1);
  6513.     const params = (0, _ui_utils.parseQueryString)(hash);
  6514.     const nameddest = params.nameddest || "";
  6515.     let page = params.page | 0;
  6516.  
  6517.     if (!this._isValidPage(page) || checkNameddest && nameddest.length > 0) {
  6518.       page = null;
  6519.     }
  6520.  
  6521.     return {
  6522.       hash,
  6523.       page,
  6524.       rotation: this.linkService.rotation
  6525.     };
  6526.   }
  6527.  
  6528.   _updateViewarea({
  6529.     location
  6530.   }) {
  6531.     if (this._updateViewareaTimeout) {
  6532.       clearTimeout(this._updateViewareaTimeout);
  6533.       this._updateViewareaTimeout = null;
  6534.     }
  6535.  
  6536.     this._position = {
  6537.       hash: this._isViewerInPresentationMode ? `page=${location.pageNumber}` : location.pdfOpenParams.substring(1),
  6538.       page: this.linkService.page,
  6539.       first: location.pageNumber,
  6540.       rotation: location.rotation
  6541.     };
  6542.  
  6543.     if (this._popStateInProgress) {
  6544.       return;
  6545.     }
  6546.  
  6547.     if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
  6548.       this._numPositionUpdates++;
  6549.     }
  6550.  
  6551.     if (UPDATE_VIEWAREA_TIMEOUT > 0) {
  6552.       this._updateViewareaTimeout = setTimeout(() => {
  6553.         if (!this._popStateInProgress) {
  6554.           this._tryPushCurrentPosition(true);
  6555.         }
  6556.  
  6557.         this._updateViewareaTimeout = null;
  6558.       }, UPDATE_VIEWAREA_TIMEOUT);
  6559.     }
  6560.   }
  6561.  
  6562.   _popState({
  6563.     state
  6564.   }) {
  6565.     const newHash = getCurrentHash(),
  6566.           hashChanged = this._currentHash !== newHash;
  6567.     this._currentHash = newHash;
  6568.  
  6569.     if (!state) {
  6570.       this._uid++;
  6571.  
  6572.       const {
  6573.         hash,
  6574.         page,
  6575.         rotation
  6576.       } = this._parseCurrentHash();
  6577.  
  6578.       this._pushOrReplaceState({
  6579.         hash,
  6580.         page,
  6581.         rotation
  6582.       }, true);
  6583.  
  6584.       return;
  6585.     }
  6586.  
  6587.     if (!this._isValidState(state)) {
  6588.       return;
  6589.     }
  6590.  
  6591.     this._popStateInProgress = true;
  6592.  
  6593.     if (hashChanged) {
  6594.       this._blockHashChange++;
  6595.       (0, _ui_utils.waitOnEventOrTimeout)({
  6596.         target: window,
  6597.         name: "hashchange",
  6598.         delay: HASH_CHANGE_TIMEOUT
  6599.       }).then(() => {
  6600.         this._blockHashChange--;
  6601.       });
  6602.     }
  6603.  
  6604.     const destination = state.destination;
  6605.  
  6606.     this._updateInternalState(destination, state.uid, true);
  6607.  
  6608.     if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
  6609.       this.linkService.rotation = destination.rotation;
  6610.     }
  6611.  
  6612.     if (destination.dest) {
  6613.       this.linkService.goToDestination(destination.dest);
  6614.     } else if (destination.hash) {
  6615.       this.linkService.setHash(destination.hash);
  6616.     } else if (destination.page) {
  6617.       this.linkService.page = destination.page;
  6618.     }
  6619.  
  6620.     Promise.resolve().then(() => {
  6621.       this._popStateInProgress = false;
  6622.     });
  6623.   }
  6624.  
  6625.   _pageHide() {
  6626.     if (!this._destination || this._destination.temporary) {
  6627.       this._tryPushCurrentPosition();
  6628.     }
  6629.   }
  6630.  
  6631.   _bindEvents() {
  6632.     if (this._boundEvents) {
  6633.       return;
  6634.     }
  6635.  
  6636.     this._boundEvents = {
  6637.       updateViewarea: this._updateViewarea.bind(this),
  6638.       popState: this._popState.bind(this),
  6639.       pageHide: this._pageHide.bind(this)
  6640.     };
  6641.  
  6642.     this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
  6643.  
  6644.     window.addEventListener("popstate", this._boundEvents.popState);
  6645.     window.addEventListener("pagehide", this._boundEvents.pageHide);
  6646.   }
  6647.  
  6648.   _unbindEvents() {
  6649.     if (!this._boundEvents) {
  6650.       return;
  6651.     }
  6652.  
  6653.     this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea);
  6654.  
  6655.     window.removeEventListener("popstate", this._boundEvents.popState);
  6656.     window.removeEventListener("pagehide", this._boundEvents.pageHide);
  6657.     this._boundEvents = null;
  6658.   }
  6659.  
  6660. }
  6661.  
  6662. exports.PDFHistory = PDFHistory;
  6663.  
  6664. function isDestHashesEqual(destHash, pushHash) {
  6665.   if (typeof destHash !== "string" || typeof pushHash !== "string") {
  6666.     return false;
  6667.   }
  6668.  
  6669.   if (destHash === pushHash) {
  6670.     return true;
  6671.   }
  6672.  
  6673.   const {
  6674.     nameddest
  6675.   } = (0, _ui_utils.parseQueryString)(destHash);
  6676.  
  6677.   if (nameddest === pushHash) {
  6678.     return true;
  6679.   }
  6680.  
  6681.   return false;
  6682. }
  6683.  
  6684. function isDestArraysEqual(firstDest, secondDest) {
  6685.   function isEntryEqual(first, second) {
  6686.     if (typeof first !== typeof second) {
  6687.       return false;
  6688.     }
  6689.  
  6690.     if (Array.isArray(first) || Array.isArray(second)) {
  6691.       return false;
  6692.     }
  6693.  
  6694.     if (first !== null && typeof first === "object" && second !== null) {
  6695.       if (Object.keys(first).length !== Object.keys(second).length) {
  6696.         return false;
  6697.       }
  6698.  
  6699.       for (const key in first) {
  6700.         if (!isEntryEqual(first[key], second[key])) {
  6701.           return false;
  6702.         }
  6703.       }
  6704.  
  6705.       return true;
  6706.     }
  6707.  
  6708.     return first === second || Number.isNaN(first) && Number.isNaN(second);
  6709.   }
  6710.  
  6711.   if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
  6712.     return false;
  6713.   }
  6714.  
  6715.   if (firstDest.length !== secondDest.length) {
  6716.     return false;
  6717.   }
  6718.  
  6719.   for (let i = 0, ii = firstDest.length; i < ii; i++) {
  6720.     if (!isEntryEqual(firstDest[i], secondDest[i])) {
  6721.       return false;
  6722.     }
  6723.   }
  6724.  
  6725.   return true;
  6726. }
  6727.  
  6728. /***/ }),
  6729. /* 18 */
  6730. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  6731.  
  6732.  
  6733.  
  6734. Object.defineProperty(exports, "__esModule", ({
  6735.   value: true
  6736. }));
  6737. exports.PDFLayerViewer = void 0;
  6738.  
  6739. var _base_tree_viewer = __webpack_require__(12);
  6740.  
  6741. class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer {
  6742.   constructor(options) {
  6743.     super(options);
  6744.     this.l10n = options.l10n;
  6745.  
  6746.     this.eventBus._on("resetlayers", this._resetLayers.bind(this));
  6747.  
  6748.     this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this));
  6749.   }
  6750.  
  6751.   reset() {
  6752.     super.reset();
  6753.     this._optionalContentConfig = null;
  6754.   }
  6755.  
  6756.   _dispatchEvent(layersCount) {
  6757.     this.eventBus.dispatch("layersloaded", {
  6758.       source: this,
  6759.       layersCount
  6760.     });
  6761.   }
  6762.  
  6763.   _bindLink(element, {
  6764.     groupId,
  6765.     input
  6766.   }) {
  6767.     const setVisibility = () => {
  6768.       this._optionalContentConfig.setVisibility(groupId, input.checked);
  6769.  
  6770.       this.eventBus.dispatch("optionalcontentconfig", {
  6771.         source: this,
  6772.         promise: Promise.resolve(this._optionalContentConfig)
  6773.       });
  6774.     };
  6775.  
  6776.     element.onclick = evt => {
  6777.       if (evt.target === input) {
  6778.         setVisibility();
  6779.         return true;
  6780.       } else if (evt.target !== element) {
  6781.         return true;
  6782.       }
  6783.  
  6784.       input.checked = !input.checked;
  6785.       setVisibility();
  6786.       return false;
  6787.     };
  6788.   }
  6789.  
  6790.   async _setNestedName(element, {
  6791.     name = null
  6792.   }) {
  6793.     if (typeof name === "string") {
  6794.       element.textContent = this._normalizeTextContent(name);
  6795.       return;
  6796.     }
  6797.  
  6798.     element.textContent = await this.l10n.get("additional_layers");
  6799.     element.style.fontStyle = "italic";
  6800.   }
  6801.  
  6802.   _addToggleButton(div, {
  6803.     name = null
  6804.   }) {
  6805.     super._addToggleButton(div, name === null);
  6806.   }
  6807.  
  6808.   _toggleAllTreeItems() {
  6809.     if (!this._optionalContentConfig) {
  6810.       return;
  6811.     }
  6812.  
  6813.     super._toggleAllTreeItems();
  6814.   }
  6815.  
  6816.   render({
  6817.     optionalContentConfig,
  6818.     pdfDocument
  6819.   }) {
  6820.     if (this._optionalContentConfig) {
  6821.       this.reset();
  6822.     }
  6823.  
  6824.     this._optionalContentConfig = optionalContentConfig || null;
  6825.     this._pdfDocument = pdfDocument || null;
  6826.     const groups = optionalContentConfig?.getOrder();
  6827.  
  6828.     if (!groups) {
  6829.       this._dispatchEvent(0);
  6830.  
  6831.       return;
  6832.     }
  6833.  
  6834.     const fragment = document.createDocumentFragment(),
  6835.           queue = [{
  6836.       parent: fragment,
  6837.       groups
  6838.     }];
  6839.     let layersCount = 0,
  6840.         hasAnyNesting = false;
  6841.  
  6842.     while (queue.length > 0) {
  6843.       const levelData = queue.shift();
  6844.  
  6845.       for (const groupId of levelData.groups) {
  6846.         const div = document.createElement("div");
  6847.         div.className = "treeItem";
  6848.         const element = document.createElement("a");
  6849.         div.appendChild(element);
  6850.  
  6851.         if (typeof groupId === "object") {
  6852.           hasAnyNesting = true;
  6853.  
  6854.           this._addToggleButton(div, groupId);
  6855.  
  6856.           this._setNestedName(element, groupId);
  6857.  
  6858.           const itemsDiv = document.createElement("div");
  6859.           itemsDiv.className = "treeItems";
  6860.           div.appendChild(itemsDiv);
  6861.           queue.push({
  6862.             parent: itemsDiv,
  6863.             groups: groupId.order
  6864.           });
  6865.         } else {
  6866.           const group = optionalContentConfig.getGroup(groupId);
  6867.           const input = document.createElement("input");
  6868.  
  6869.           this._bindLink(element, {
  6870.             groupId,
  6871.             input
  6872.           });
  6873.  
  6874.           input.type = "checkbox";
  6875.           input.id = groupId;
  6876.           input.checked = group.visible;
  6877.           const label = document.createElement("label");
  6878.           label.setAttribute("for", groupId);
  6879.           label.textContent = this._normalizeTextContent(group.name);
  6880.           element.appendChild(input);
  6881.           element.appendChild(label);
  6882.           layersCount++;
  6883.         }
  6884.  
  6885.         levelData.parent.appendChild(div);
  6886.       }
  6887.     }
  6888.  
  6889.     this._finishRendering(fragment, layersCount, hasAnyNesting);
  6890.   }
  6891.  
  6892.   async _resetLayers() {
  6893.     if (!this._optionalContentConfig) {
  6894.       return;
  6895.     }
  6896.  
  6897.     const optionalContentConfig = await this._pdfDocument.getOptionalContentConfig();
  6898.     this.eventBus.dispatch("optionalcontentconfig", {
  6899.       source: this,
  6900.       promise: Promise.resolve(optionalContentConfig)
  6901.     });
  6902.     this.render({
  6903.       optionalContentConfig,
  6904.       pdfDocument: this._pdfDocument
  6905.     });
  6906.   }
  6907.  
  6908. }
  6909.  
  6910. exports.PDFLayerViewer = PDFLayerViewer;
  6911.  
  6912. /***/ }),
  6913. /* 19 */
  6914. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  6915.  
  6916.  
  6917.  
  6918. Object.defineProperty(exports, "__esModule", ({
  6919.   value: true
  6920. }));
  6921. exports.SimpleLinkService = exports.PDFLinkService = void 0;
  6922.  
  6923. var _ui_utils = __webpack_require__(4);
  6924.  
  6925. class PDFLinkService {
  6926.   constructor({
  6927.     eventBus,
  6928.     externalLinkTarget = null,
  6929.     externalLinkRel = null,
  6930.     externalLinkEnabled = true,
  6931.     ignoreDestinationZoom = false
  6932.   } = {}) {
  6933.     this.eventBus = eventBus;
  6934.     this.externalLinkTarget = externalLinkTarget;
  6935.     this.externalLinkRel = externalLinkRel;
  6936.     this.externalLinkEnabled = externalLinkEnabled;
  6937.     this._ignoreDestinationZoom = ignoreDestinationZoom;
  6938.     this.baseUrl = null;
  6939.     this.pdfDocument = null;
  6940.     this.pdfViewer = null;
  6941.     this.pdfHistory = null;
  6942.     this._pagesRefCache = null;
  6943.   }
  6944.  
  6945.   setDocument(pdfDocument, baseUrl = null) {
  6946.     this.baseUrl = baseUrl;
  6947.     this.pdfDocument = pdfDocument;
  6948.     this._pagesRefCache = Object.create(null);
  6949.   }
  6950.  
  6951.   setViewer(pdfViewer) {
  6952.     this.pdfViewer = pdfViewer;
  6953.   }
  6954.  
  6955.   setHistory(pdfHistory) {
  6956.     this.pdfHistory = pdfHistory;
  6957.   }
  6958.  
  6959.   get pagesCount() {
  6960.     return this.pdfDocument ? this.pdfDocument.numPages : 0;
  6961.   }
  6962.  
  6963.   get page() {
  6964.     return this.pdfViewer.currentPageNumber;
  6965.   }
  6966.  
  6967.   set page(value) {
  6968.     this.pdfViewer.currentPageNumber = value;
  6969.   }
  6970.  
  6971.   get rotation() {
  6972.     return this.pdfViewer.pagesRotation;
  6973.   }
  6974.  
  6975.   set rotation(value) {
  6976.     this.pdfViewer.pagesRotation = value;
  6977.   }
  6978.  
  6979.   navigateTo(dest) {
  6980.     console.error("Deprecated method: `navigateTo`, use `goToDestination` instead.");
  6981.     this.goToDestination(dest);
  6982.   }
  6983.  
  6984.   _goToDestinationHelper(rawDest, namedDest = null, explicitDest) {
  6985.     const destRef = explicitDest[0];
  6986.     let pageNumber;
  6987.  
  6988.     if (destRef instanceof Object) {
  6989.       pageNumber = this._cachedPageNumber(destRef);
  6990.  
  6991.       if (pageNumber === null) {
  6992.         this.pdfDocument.getPageIndex(destRef).then(pageIndex => {
  6993.           this.cachePageRef(pageIndex + 1, destRef);
  6994.  
  6995.           this._goToDestinationHelper(rawDest, namedDest, explicitDest);
  6996.         }).catch(() => {
  6997.           console.error(`PDFLinkService._goToDestinationHelper: "${destRef}" is not ` + `a valid page reference, for dest="${rawDest}".`);
  6998.         });
  6999.         return;
  7000.       }
  7001.     } else if (Number.isInteger(destRef)) {
  7002.       pageNumber = destRef + 1;
  7003.     } else {
  7004.       console.error(`PDFLinkService._goToDestinationHelper: "${destRef}" is not ` + `a valid destination reference, for dest="${rawDest}".`);
  7005.       return;
  7006.     }
  7007.  
  7008.     if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
  7009.       console.error(`PDFLinkService._goToDestinationHelper: "${pageNumber}" is not ` + `a valid page number, for dest="${rawDest}".`);
  7010.       return;
  7011.     }
  7012.  
  7013.     if (this.pdfHistory) {
  7014.       this.pdfHistory.pushCurrentPosition();
  7015.       this.pdfHistory.push({
  7016.         namedDest,
  7017.         explicitDest,
  7018.         pageNumber
  7019.       });
  7020.     }
  7021.  
  7022.     this.pdfViewer.scrollPageIntoView({
  7023.       pageNumber,
  7024.       destArray: explicitDest,
  7025.       ignoreDestinationZoom: this._ignoreDestinationZoom
  7026.     });
  7027.   }
  7028.  
  7029.   async goToDestination(dest) {
  7030.     if (!this.pdfDocument) {
  7031.       return;
  7032.     }
  7033.  
  7034.     let namedDest, explicitDest;
  7035.  
  7036.     if (typeof dest === "string") {
  7037.       namedDest = dest;
  7038.       explicitDest = await this.pdfDocument.getDestination(dest);
  7039.     } else {
  7040.       namedDest = null;
  7041.       explicitDest = await dest;
  7042.     }
  7043.  
  7044.     if (!Array.isArray(explicitDest)) {
  7045.       console.error(`PDFLinkService.goToDestination: "${explicitDest}" is not ` + `a valid destination array, for dest="${dest}".`);
  7046.       return;
  7047.     }
  7048.  
  7049.     this._goToDestinationHelper(dest, namedDest, explicitDest);
  7050.   }
  7051.  
  7052.   goToPage(val) {
  7053.     if (!this.pdfDocument) {
  7054.       return;
  7055.     }
  7056.  
  7057.     const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0;
  7058.  
  7059.     if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
  7060.       console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`);
  7061.       return;
  7062.     }
  7063.  
  7064.     if (this.pdfHistory) {
  7065.       this.pdfHistory.pushCurrentPosition();
  7066.       this.pdfHistory.pushPage(pageNumber);
  7067.     }
  7068.  
  7069.     this.pdfViewer.scrollPageIntoView({
  7070.       pageNumber
  7071.     });
  7072.   }
  7073.  
  7074.   getDestinationHash(dest) {
  7075.     if (typeof dest === "string") {
  7076.       if (dest.length > 0) {
  7077.         return this.getAnchorUrl("#" + escape(dest));
  7078.       }
  7079.     } else if (Array.isArray(dest)) {
  7080.       const str = JSON.stringify(dest);
  7081.  
  7082.       if (str.length > 0) {
  7083.         return this.getAnchorUrl("#" + escape(str));
  7084.       }
  7085.     }
  7086.  
  7087.     return this.getAnchorUrl("");
  7088.   }
  7089.  
  7090.   getAnchorUrl(anchor) {
  7091.     return (this.baseUrl || "") + anchor;
  7092.   }
  7093.  
  7094.   setHash(hash) {
  7095.     if (!this.pdfDocument) {
  7096.       return;
  7097.     }
  7098.  
  7099.     let pageNumber, dest;
  7100.  
  7101.     if (hash.includes("=")) {
  7102.       const params = (0, _ui_utils.parseQueryString)(hash);
  7103.  
  7104.       if ("search" in params) {
  7105.         this.eventBus.dispatch("findfromurlhash", {
  7106.           source: this,
  7107.           query: params.search.replace(/"/g, ""),
  7108.           phraseSearch: params.phrase === "true"
  7109.         });
  7110.       }
  7111.  
  7112.       if ("page" in params) {
  7113.         pageNumber = params.page | 0 || 1;
  7114.       }
  7115.  
  7116.       if ("zoom" in params) {
  7117.         const zoomArgs = params.zoom.split(",");
  7118.         const zoomArg = zoomArgs[0];
  7119.         const zoomArgNumber = parseFloat(zoomArg);
  7120.  
  7121.         if (!zoomArg.includes("Fit")) {
  7122.           dest = [null, {
  7123.             name: "XYZ"
  7124.           }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
  7125.         } else {
  7126.           if (zoomArg === "Fit" || zoomArg === "FitB") {
  7127.             dest = [null, {
  7128.               name: zoomArg
  7129.             }];
  7130.           } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
  7131.             dest = [null, {
  7132.               name: zoomArg
  7133.             }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
  7134.           } else if (zoomArg === "FitR") {
  7135.             if (zoomArgs.length !== 5) {
  7136.               console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
  7137.             } else {
  7138.               dest = [null, {
  7139.                 name: zoomArg
  7140.               }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
  7141.             }
  7142.           } else {
  7143.             console.error(`PDFLinkService.setHash: "${zoomArg}" is not ` + "a valid zoom value.");
  7144.           }
  7145.         }
  7146.       }
  7147.  
  7148.       if (dest) {
  7149.         this.pdfViewer.scrollPageIntoView({
  7150.           pageNumber: pageNumber || this.page,
  7151.           destArray: dest,
  7152.           allowNegativeOffset: true
  7153.         });
  7154.       } else if (pageNumber) {
  7155.         this.page = pageNumber;
  7156.       }
  7157.  
  7158.       if ("pagemode" in params) {
  7159.         this.eventBus.dispatch("pagemode", {
  7160.           source: this,
  7161.           mode: params.pagemode
  7162.         });
  7163.       }
  7164.  
  7165.       if ("nameddest" in params) {
  7166.         this.goToDestination(params.nameddest);
  7167.       }
  7168.     } else {
  7169.       dest = unescape(hash);
  7170.  
  7171.       try {
  7172.         dest = JSON.parse(dest);
  7173.  
  7174.         if (!Array.isArray(dest)) {
  7175.           dest = dest.toString();
  7176.         }
  7177.       } catch (ex) {}
  7178.  
  7179.       if (typeof dest === "string" || isValidExplicitDestination(dest)) {
  7180.         this.goToDestination(dest);
  7181.         return;
  7182.       }
  7183.  
  7184.       console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not ` + "a valid destination.");
  7185.     }
  7186.   }
  7187.  
  7188.   executeNamedAction(action) {
  7189.     switch (action) {
  7190.       case "GoBack":
  7191.         if (this.pdfHistory) {
  7192.           this.pdfHistory.back();
  7193.         }
  7194.  
  7195.         break;
  7196.  
  7197.       case "GoForward":
  7198.         if (this.pdfHistory) {
  7199.           this.pdfHistory.forward();
  7200.         }
  7201.  
  7202.         break;
  7203.  
  7204.       case "NextPage":
  7205.         this.pdfViewer.nextPage();
  7206.         break;
  7207.  
  7208.       case "PrevPage":
  7209.         this.pdfViewer.previousPage();
  7210.         break;
  7211.  
  7212.       case "LastPage":
  7213.         this.page = this.pagesCount;
  7214.         break;
  7215.  
  7216.       case "FirstPage":
  7217.         this.page = 1;
  7218.         break;
  7219.  
  7220.       default:
  7221.         break;
  7222.     }
  7223.  
  7224.     this.eventBus.dispatch("namedaction", {
  7225.       source: this,
  7226.       action
  7227.     });
  7228.   }
  7229.  
  7230.   cachePageRef(pageNum, pageRef) {
  7231.     if (!pageRef) {
  7232.       return;
  7233.     }
  7234.  
  7235.     const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
  7236.     this._pagesRefCache[refStr] = pageNum;
  7237.   }
  7238.  
  7239.   _cachedPageNumber(pageRef) {
  7240.     const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
  7241.     return this._pagesRefCache?.[refStr] || null;
  7242.   }
  7243.  
  7244.   isPageVisible(pageNumber) {
  7245.     return this.pdfViewer.isPageVisible(pageNumber);
  7246.   }
  7247.  
  7248.   isPageCached(pageNumber) {
  7249.     return this.pdfViewer.isPageCached(pageNumber);
  7250.   }
  7251.  
  7252. }
  7253.  
  7254. exports.PDFLinkService = PDFLinkService;
  7255.  
  7256. function isValidExplicitDestination(dest) {
  7257.   if (!Array.isArray(dest)) {
  7258.     return false;
  7259.   }
  7260.  
  7261.   const destLength = dest.length;
  7262.  
  7263.   if (destLength < 2) {
  7264.     return false;
  7265.   }
  7266.  
  7267.   const page = dest[0];
  7268.  
  7269.   if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
  7270.     return false;
  7271.   }
  7272.  
  7273.   const zoom = dest[1];
  7274.  
  7275.   if (!(typeof zoom === "object" && typeof zoom.name === "string")) {
  7276.     return false;
  7277.   }
  7278.  
  7279.   let allowNull = true;
  7280.  
  7281.   switch (zoom.name) {
  7282.     case "XYZ":
  7283.       if (destLength !== 5) {
  7284.         return false;
  7285.       }
  7286.  
  7287.       break;
  7288.  
  7289.     case "Fit":
  7290.     case "FitB":
  7291.       return destLength === 2;
  7292.  
  7293.     case "FitH":
  7294.     case "FitBH":
  7295.     case "FitV":
  7296.     case "FitBV":
  7297.       if (destLength !== 3) {
  7298.         return false;
  7299.       }
  7300.  
  7301.       break;
  7302.  
  7303.     case "FitR":
  7304.       if (destLength !== 6) {
  7305.         return false;
  7306.       }
  7307.  
  7308.       allowNull = false;
  7309.       break;
  7310.  
  7311.     default:
  7312.       return false;
  7313.   }
  7314.  
  7315.   for (let i = 2; i < destLength; i++) {
  7316.     const param = dest[i];
  7317.  
  7318.     if (!(typeof param === "number" || allowNull && param === null)) {
  7319.       return false;
  7320.     }
  7321.   }
  7322.  
  7323.   return true;
  7324. }
  7325.  
  7326. class SimpleLinkService {
  7327.   constructor() {
  7328.     this.externalLinkTarget = null;
  7329.     this.externalLinkRel = null;
  7330.     this.externalLinkEnabled = true;
  7331.     this._ignoreDestinationZoom = false;
  7332.   }
  7333.  
  7334.   get pagesCount() {
  7335.     return 0;
  7336.   }
  7337.  
  7338.   get page() {
  7339.     return 0;
  7340.   }
  7341.  
  7342.   set page(value) {}
  7343.  
  7344.   get rotation() {
  7345.     return 0;
  7346.   }
  7347.  
  7348.   set rotation(value) {}
  7349.  
  7350.   async goToDestination(dest) {}
  7351.  
  7352.   goToPage(val) {}
  7353.  
  7354.   getDestinationHash(dest) {
  7355.     return "#";
  7356.   }
  7357.  
  7358.   getAnchorUrl(hash) {
  7359.     return "#";
  7360.   }
  7361.  
  7362.   setHash(hash) {}
  7363.  
  7364.   executeNamedAction(action) {}
  7365.  
  7366.   cachePageRef(pageNum, pageRef) {}
  7367.  
  7368.   isPageVisible(pageNumber) {
  7369.     return true;
  7370.   }
  7371.  
  7372.   isPageCached(pageNumber) {
  7373.     return true;
  7374.   }
  7375.  
  7376. }
  7377.  
  7378. exports.SimpleLinkService = SimpleLinkService;
  7379.  
  7380. /***/ }),
  7381. /* 20 */
  7382. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  7383.  
  7384.  
  7385.  
  7386. Object.defineProperty(exports, "__esModule", ({
  7387.   value: true
  7388. }));
  7389. exports.PDFOutlineViewer = void 0;
  7390.  
  7391. var _pdfjsLib = __webpack_require__(5);
  7392.  
  7393. var _base_tree_viewer = __webpack_require__(12);
  7394.  
  7395. var _ui_utils = __webpack_require__(4);
  7396.  
  7397. class PDFOutlineViewer extends _base_tree_viewer.BaseTreeViewer {
  7398.   constructor(options) {
  7399.     super(options);
  7400.     this.linkService = options.linkService;
  7401.  
  7402.     this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this));
  7403.  
  7404.     this.eventBus._on("currentoutlineitem", this._currentOutlineItem.bind(this));
  7405.  
  7406.     this.eventBus._on("pagechanging", evt => {
  7407.       this._currentPageNumber = evt.pageNumber;
  7408.     });
  7409.  
  7410.     this.eventBus._on("pagesloaded", evt => {
  7411.       this._isPagesLoaded = !!evt.pagesCount;
  7412.     });
  7413.  
  7414.     this.eventBus._on("sidebarviewchanged", evt => {
  7415.       this._sidebarView = evt.view;
  7416.     });
  7417.   }
  7418.  
  7419.   reset() {
  7420.     super.reset();
  7421.     this._outline = null;
  7422.     this._pageNumberToDestHashCapability = null;
  7423.     this._currentPageNumber = 1;
  7424.     this._isPagesLoaded = false;
  7425.   }
  7426.  
  7427.   _dispatchEvent(outlineCount) {
  7428.     this.eventBus.dispatch("outlineloaded", {
  7429.       source: this,
  7430.       outlineCount,
  7431.       enableCurrentOutlineItemButton: outlineCount > 0 && !this._pdfDocument?.loadingParams.disableAutoFetch
  7432.     });
  7433.   }
  7434.  
  7435.   _bindLink(element, {
  7436.     url,
  7437.     newWindow,
  7438.     dest
  7439.   }) {
  7440.     const {
  7441.       linkService
  7442.     } = this;
  7443.  
  7444.     if (url) {
  7445.       (0, _pdfjsLib.addLinkAttributes)(element, {
  7446.         url,
  7447.         target: newWindow ? _pdfjsLib.LinkTarget.BLANK : linkService.externalLinkTarget,
  7448.         rel: linkService.externalLinkRel,
  7449.         enabled: linkService.externalLinkEnabled
  7450.       });
  7451.       return;
  7452.     }
  7453.  
  7454.     element.href = linkService.getDestinationHash(dest);
  7455.  
  7456.     element.onclick = evt => {
  7457.       this._updateCurrentTreeItem(evt.target.parentNode);
  7458.  
  7459.       if (dest) {
  7460.         linkService.goToDestination(dest);
  7461.       }
  7462.  
  7463.       return false;
  7464.     };
  7465.   }
  7466.  
  7467.   _setStyles(element, {
  7468.     bold,
  7469.     italic
  7470.   }) {
  7471.     if (bold) {
  7472.       element.style.fontWeight = "bold";
  7473.     }
  7474.  
  7475.     if (italic) {
  7476.       element.style.fontStyle = "italic";
  7477.     }
  7478.   }
  7479.  
  7480.   _addToggleButton(div, {
  7481.     count,
  7482.     items
  7483.   }) {
  7484.     let hidden = false;
  7485.  
  7486.     if (count < 0) {
  7487.       let totalCount = items.length;
  7488.  
  7489.       if (totalCount > 0) {
  7490.         const queue = [...items];
  7491.  
  7492.         while (queue.length > 0) {
  7493.           const {
  7494.             count: nestedCount,
  7495.             items: nestedItems
  7496.           } = queue.shift();
  7497.  
  7498.           if (nestedCount > 0 && nestedItems.length > 0) {
  7499.             totalCount += nestedItems.length;
  7500.             queue.push(...nestedItems);
  7501.           }
  7502.         }
  7503.       }
  7504.  
  7505.       if (Math.abs(count) === totalCount) {
  7506.         hidden = true;
  7507.       }
  7508.     }
  7509.  
  7510.     super._addToggleButton(div, hidden);
  7511.   }
  7512.  
  7513.   _toggleAllTreeItems() {
  7514.     if (!this._outline) {
  7515.       return;
  7516.     }
  7517.  
  7518.     super._toggleAllTreeItems();
  7519.   }
  7520.  
  7521.   render({
  7522.     outline,
  7523.     pdfDocument
  7524.   }) {
  7525.     if (this._outline) {
  7526.       this.reset();
  7527.     }
  7528.  
  7529.     this._outline = outline || null;
  7530.     this._pdfDocument = pdfDocument || null;
  7531.  
  7532.     if (!outline) {
  7533.       this._dispatchEvent(0);
  7534.  
  7535.       return;
  7536.     }
  7537.  
  7538.     const fragment = document.createDocumentFragment();
  7539.     const queue = [{
  7540.       parent: fragment,
  7541.       items: outline
  7542.     }];
  7543.     let outlineCount = 0,
  7544.         hasAnyNesting = false;
  7545.  
  7546.     while (queue.length > 0) {
  7547.       const levelData = queue.shift();
  7548.  
  7549.       for (const item of levelData.items) {
  7550.         const div = document.createElement("div");
  7551.         div.className = "treeItem";
  7552.         const element = document.createElement("a");
  7553.  
  7554.         this._bindLink(element, item);
  7555.  
  7556.         this._setStyles(element, item);
  7557.  
  7558.         element.textContent = this._normalizeTextContent(item.title);
  7559.         div.appendChild(element);
  7560.  
  7561.         if (item.items.length > 0) {
  7562.           hasAnyNesting = true;
  7563.  
  7564.           this._addToggleButton(div, item);
  7565.  
  7566.           const itemsDiv = document.createElement("div");
  7567.           itemsDiv.className = "treeItems";
  7568.           div.appendChild(itemsDiv);
  7569.           queue.push({
  7570.             parent: itemsDiv,
  7571.             items: item.items
  7572.           });
  7573.         }
  7574.  
  7575.         levelData.parent.appendChild(div);
  7576.         outlineCount++;
  7577.       }
  7578.     }
  7579.  
  7580.     this._finishRendering(fragment, outlineCount, hasAnyNesting);
  7581.   }
  7582.  
  7583.   async _currentOutlineItem() {
  7584.     if (!this._isPagesLoaded) {
  7585.       throw new Error("_currentOutlineItem: All pages have not been loaded.");
  7586.     }
  7587.  
  7588.     if (!this._outline || !this._pdfDocument) {
  7589.       return;
  7590.     }
  7591.  
  7592.     const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument);
  7593.  
  7594.     if (!pageNumberToDestHash) {
  7595.       return;
  7596.     }
  7597.  
  7598.     this._updateCurrentTreeItem(null);
  7599.  
  7600.     if (this._sidebarView !== _ui_utils.SidebarView.OUTLINE) {
  7601.       return;
  7602.     }
  7603.  
  7604.     for (let i = this._currentPageNumber; i > 0; i--) {
  7605.       const destHash = pageNumberToDestHash.get(i);
  7606.  
  7607.       if (!destHash) {
  7608.         continue;
  7609.       }
  7610.  
  7611.       const linkElement = this.container.querySelector(`a[href="${destHash}"]`);
  7612.  
  7613.       if (!linkElement) {
  7614.         continue;
  7615.       }
  7616.  
  7617.       this._scrollToCurrentTreeItem(linkElement.parentNode);
  7618.  
  7619.       break;
  7620.     }
  7621.   }
  7622.  
  7623.   async _getPageNumberToDestHash(pdfDocument) {
  7624.     if (this._pageNumberToDestHashCapability) {
  7625.       return this._pageNumberToDestHashCapability.promise;
  7626.     }
  7627.  
  7628.     this._pageNumberToDestHashCapability = (0, _pdfjsLib.createPromiseCapability)();
  7629.     const pageNumberToDestHash = new Map(),
  7630.           pageNumberNesting = new Map();
  7631.     const queue = [{
  7632.       nesting: 0,
  7633.       items: this._outline
  7634.     }];
  7635.  
  7636.     while (queue.length > 0) {
  7637.       const levelData = queue.shift(),
  7638.             currentNesting = levelData.nesting;
  7639.  
  7640.       for (const {
  7641.         dest,
  7642.         items
  7643.       } of levelData.items) {
  7644.         let explicitDest, pageNumber;
  7645.  
  7646.         if (typeof dest === "string") {
  7647.           explicitDest = await pdfDocument.getDestination(dest);
  7648.  
  7649.           if (pdfDocument !== this._pdfDocument) {
  7650.             return null;
  7651.           }
  7652.         } else {
  7653.           explicitDest = dest;
  7654.         }
  7655.  
  7656.         if (Array.isArray(explicitDest)) {
  7657.           const [destRef] = explicitDest;
  7658.  
  7659.           if (destRef instanceof Object) {
  7660.             pageNumber = this.linkService._cachedPageNumber(destRef);
  7661.  
  7662.             if (!pageNumber) {
  7663.               try {
  7664.                 pageNumber = (await pdfDocument.getPageIndex(destRef)) + 1;
  7665.  
  7666.                 if (pdfDocument !== this._pdfDocument) {
  7667.                   return null;
  7668.                 }
  7669.  
  7670.                 this.linkService.cachePageRef(pageNumber, destRef);
  7671.               } catch (ex) {}
  7672.             }
  7673.           } else if (Number.isInteger(destRef)) {
  7674.             pageNumber = destRef + 1;
  7675.           }
  7676.  
  7677.           if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) {
  7678.             const destHash = this.linkService.getDestinationHash(dest);
  7679.             pageNumberToDestHash.set(pageNumber, destHash);
  7680.             pageNumberNesting.set(pageNumber, currentNesting);
  7681.           }
  7682.         }
  7683.  
  7684.         if (items.length > 0) {
  7685.           queue.push({
  7686.             nesting: currentNesting + 1,
  7687.             items
  7688.           });
  7689.         }
  7690.       }
  7691.     }
  7692.  
  7693.     this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null);
  7694.  
  7695.     return this._pageNumberToDestHashCapability.promise;
  7696.   }
  7697.  
  7698. }
  7699.  
  7700. exports.PDFOutlineViewer = PDFOutlineViewer;
  7701.  
  7702. /***/ }),
  7703. /* 21 */
  7704. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  7705.  
  7706.  
  7707.  
  7708. Object.defineProperty(exports, "__esModule", ({
  7709.   value: true
  7710. }));
  7711. exports.PDFPresentationMode = void 0;
  7712.  
  7713. var _ui_utils = __webpack_require__(4);
  7714.  
  7715. const DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
  7716. const DELAY_BEFORE_HIDING_CONTROLS = 3000;
  7717. const ACTIVE_SELECTOR = "pdfPresentationMode";
  7718. const CONTROLS_SELECTOR = "pdfPresentationModeControls";
  7719. const MOUSE_SCROLL_COOLDOWN_TIME = 50;
  7720. const PAGE_SWITCH_THRESHOLD = 0.1;
  7721. const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
  7722. const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
  7723.  
  7724. class PDFPresentationMode {
  7725.   constructor({
  7726.     container,
  7727.     pdfViewer,
  7728.     eventBus
  7729.   }) {
  7730.     this.container = container;
  7731.     this.pdfViewer = pdfViewer;
  7732.     this.eventBus = eventBus;
  7733.     this.active = false;
  7734.     this.args = null;
  7735.     this.contextMenuOpen = false;
  7736.     this.mouseScrollTimeStamp = 0;
  7737.     this.mouseScrollDelta = 0;
  7738.     this.touchSwipeState = null;
  7739.   }
  7740.  
  7741.   request() {
  7742.     if (this.switchInProgress || this.active || !this.pdfViewer.pagesCount) {
  7743.       return false;
  7744.     }
  7745.  
  7746.     this._addFullscreenChangeListeners();
  7747.  
  7748.     this._setSwitchInProgress();
  7749.  
  7750.     this._notifyStateChange();
  7751.  
  7752.     if (this.container.requestFullscreen) {
  7753.       this.container.requestFullscreen();
  7754.     } else if (this.container.mozRequestFullScreen) {
  7755.       this.container.mozRequestFullScreen();
  7756.     } else if (this.container.webkitRequestFullscreen) {
  7757.       this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
  7758.     } else {
  7759.       return false;
  7760.     }
  7761.  
  7762.     this.args = {
  7763.       page: this.pdfViewer.currentPageNumber,
  7764.       previousScale: this.pdfViewer.currentScaleValue
  7765.     };
  7766.     return true;
  7767.   }
  7768.  
  7769.   _mouseWheel(evt) {
  7770.     if (!this.active) {
  7771.       return;
  7772.     }
  7773.  
  7774.     evt.preventDefault();
  7775.     const delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
  7776.     const currentTime = Date.now();
  7777.     const storedTime = this.mouseScrollTimeStamp;
  7778.  
  7779.     if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
  7780.       return;
  7781.     }
  7782.  
  7783.     if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
  7784.       this._resetMouseScrollState();
  7785.     }
  7786.  
  7787.     this.mouseScrollDelta += delta;
  7788.  
  7789.     if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
  7790.       const totalDelta = this.mouseScrollDelta;
  7791.  
  7792.       this._resetMouseScrollState();
  7793.  
  7794.       const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage();
  7795.  
  7796.       if (success) {
  7797.         this.mouseScrollTimeStamp = currentTime;
  7798.       }
  7799.     }
  7800.   }
  7801.  
  7802.   get isFullscreen() {
  7803.     return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen);
  7804.   }
  7805.  
  7806.   _notifyStateChange() {
  7807.     let state = _ui_utils.PresentationModeState.NORMAL;
  7808.  
  7809.     if (this.switchInProgress) {
  7810.       state = _ui_utils.PresentationModeState.CHANGING;
  7811.     } else if (this.active) {
  7812.       state = _ui_utils.PresentationModeState.FULLSCREEN;
  7813.     }
  7814.  
  7815.     this.eventBus.dispatch("presentationmodechanged", {
  7816.       source: this,
  7817.       state,
  7818.  
  7819.       get active() {
  7820.         throw new Error("Deprecated parameter: `active`, please use `state` instead.");
  7821.       },
  7822.  
  7823.       get switchInProgress() {
  7824.         throw new Error("Deprecated parameter: `switchInProgress`, please use `state` instead.");
  7825.       }
  7826.  
  7827.     });
  7828.   }
  7829.  
  7830.   _setSwitchInProgress() {
  7831.     if (this.switchInProgress) {
  7832.       clearTimeout(this.switchInProgress);
  7833.     }
  7834.  
  7835.     this.switchInProgress = setTimeout(() => {
  7836.       this._removeFullscreenChangeListeners();
  7837.  
  7838.       delete this.switchInProgress;
  7839.  
  7840.       this._notifyStateChange();
  7841.     }, DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
  7842.   }
  7843.  
  7844.   _resetSwitchInProgress() {
  7845.     if (this.switchInProgress) {
  7846.       clearTimeout(this.switchInProgress);
  7847.       delete this.switchInProgress;
  7848.     }
  7849.   }
  7850.  
  7851.   _enter() {
  7852.     this.active = true;
  7853.  
  7854.     this._resetSwitchInProgress();
  7855.  
  7856.     this._notifyStateChange();
  7857.  
  7858.     this.container.classList.add(ACTIVE_SELECTOR);
  7859.     setTimeout(() => {
  7860.       this.pdfViewer.currentPageNumber = this.args.page;
  7861.       this.pdfViewer.currentScaleValue = "page-fit";
  7862.     }, 0);
  7863.  
  7864.     this._addWindowListeners();
  7865.  
  7866.     this._showControls();
  7867.  
  7868.     this.contextMenuOpen = false;
  7869.     window.getSelection().removeAllRanges();
  7870.   }
  7871.  
  7872.   _exit() {
  7873.     const page = this.pdfViewer.currentPageNumber;
  7874.     this.container.classList.remove(ACTIVE_SELECTOR);
  7875.     setTimeout(() => {
  7876.       this.active = false;
  7877.  
  7878.       this._removeFullscreenChangeListeners();
  7879.  
  7880.       this._notifyStateChange();
  7881.  
  7882.       this.pdfViewer.currentScaleValue = this.args.previousScale;
  7883.       this.pdfViewer.currentPageNumber = page;
  7884.       this.args = null;
  7885.     }, 0);
  7886.  
  7887.     this._removeWindowListeners();
  7888.  
  7889.     this._hideControls();
  7890.  
  7891.     this._resetMouseScrollState();
  7892.  
  7893.     this.contextMenuOpen = false;
  7894.   }
  7895.  
  7896.   _mouseDown(evt) {
  7897.     if (this.contextMenuOpen) {
  7898.       this.contextMenuOpen = false;
  7899.       evt.preventDefault();
  7900.       return;
  7901.     }
  7902.  
  7903.     if (evt.button === 0) {
  7904.       const isInternalLink = evt.target.href && evt.target.classList.contains("internalLink");
  7905.  
  7906.       if (!isInternalLink) {
  7907.         evt.preventDefault();
  7908.  
  7909.         if (evt.shiftKey) {
  7910.           this.pdfViewer.previousPage();
  7911.         } else {
  7912.           this.pdfViewer.nextPage();
  7913.         }
  7914.       }
  7915.     }
  7916.   }
  7917.  
  7918.   _contextMenu() {
  7919.     this.contextMenuOpen = true;
  7920.   }
  7921.  
  7922.   _showControls() {
  7923.     if (this.controlsTimeout) {
  7924.       clearTimeout(this.controlsTimeout);
  7925.     } else {
  7926.       this.container.classList.add(CONTROLS_SELECTOR);
  7927.     }
  7928.  
  7929.     this.controlsTimeout = setTimeout(() => {
  7930.       this.container.classList.remove(CONTROLS_SELECTOR);
  7931.       delete this.controlsTimeout;
  7932.     }, DELAY_BEFORE_HIDING_CONTROLS);
  7933.   }
  7934.  
  7935.   _hideControls() {
  7936.     if (!this.controlsTimeout) {
  7937.       return;
  7938.     }
  7939.  
  7940.     clearTimeout(this.controlsTimeout);
  7941.     this.container.classList.remove(CONTROLS_SELECTOR);
  7942.     delete this.controlsTimeout;
  7943.   }
  7944.  
  7945.   _resetMouseScrollState() {
  7946.     this.mouseScrollTimeStamp = 0;
  7947.     this.mouseScrollDelta = 0;
  7948.   }
  7949.  
  7950.   _touchSwipe(evt) {
  7951.     if (!this.active) {
  7952.       return;
  7953.     }
  7954.  
  7955.     if (evt.touches.length > 1) {
  7956.       this.touchSwipeState = null;
  7957.       return;
  7958.     }
  7959.  
  7960.     switch (evt.type) {
  7961.       case "touchstart":
  7962.         this.touchSwipeState = {
  7963.           startX: evt.touches[0].pageX,
  7964.           startY: evt.touches[0].pageY,
  7965.           endX: evt.touches[0].pageX,
  7966.           endY: evt.touches[0].pageY
  7967.         };
  7968.         break;
  7969.  
  7970.       case "touchmove":
  7971.         if (this.touchSwipeState === null) {
  7972.           return;
  7973.         }
  7974.  
  7975.         this.touchSwipeState.endX = evt.touches[0].pageX;
  7976.         this.touchSwipeState.endY = evt.touches[0].pageY;
  7977.         evt.preventDefault();
  7978.         break;
  7979.  
  7980.       case "touchend":
  7981.         if (this.touchSwipeState === null) {
  7982.           return;
  7983.         }
  7984.  
  7985.         let delta = 0;
  7986.         const dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
  7987.         const dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
  7988.         const absAngle = Math.abs(Math.atan2(dy, dx));
  7989.  
  7990.         if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
  7991.           delta = dx;
  7992.         } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
  7993.           delta = dy;
  7994.         }
  7995.  
  7996.         if (delta > 0) {
  7997.           this.pdfViewer.previousPage();
  7998.         } else if (delta < 0) {
  7999.           this.pdfViewer.nextPage();
  8000.         }
  8001.  
  8002.         break;
  8003.     }
  8004.   }
  8005.  
  8006.   _addWindowListeners() {
  8007.     this.showControlsBind = this._showControls.bind(this);
  8008.     this.mouseDownBind = this._mouseDown.bind(this);
  8009.     this.mouseWheelBind = this._mouseWheel.bind(this);
  8010.     this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
  8011.     this.contextMenuBind = this._contextMenu.bind(this);
  8012.     this.touchSwipeBind = this._touchSwipe.bind(this);
  8013.     window.addEventListener("mousemove", this.showControlsBind);
  8014.     window.addEventListener("mousedown", this.mouseDownBind);
  8015.     window.addEventListener("wheel", this.mouseWheelBind, {
  8016.       passive: false
  8017.     });
  8018.     window.addEventListener("keydown", this.resetMouseScrollStateBind);
  8019.     window.addEventListener("contextmenu", this.contextMenuBind);
  8020.     window.addEventListener("touchstart", this.touchSwipeBind);
  8021.     window.addEventListener("touchmove", this.touchSwipeBind);
  8022.     window.addEventListener("touchend", this.touchSwipeBind);
  8023.   }
  8024.  
  8025.   _removeWindowListeners() {
  8026.     window.removeEventListener("mousemove", this.showControlsBind);
  8027.     window.removeEventListener("mousedown", this.mouseDownBind);
  8028.     window.removeEventListener("wheel", this.mouseWheelBind, {
  8029.       passive: false
  8030.     });
  8031.     window.removeEventListener("keydown", this.resetMouseScrollStateBind);
  8032.     window.removeEventListener("contextmenu", this.contextMenuBind);
  8033.     window.removeEventListener("touchstart", this.touchSwipeBind);
  8034.     window.removeEventListener("touchmove", this.touchSwipeBind);
  8035.     window.removeEventListener("touchend", this.touchSwipeBind);
  8036.     delete this.showControlsBind;
  8037.     delete this.mouseDownBind;
  8038.     delete this.mouseWheelBind;
  8039.     delete this.resetMouseScrollStateBind;
  8040.     delete this.contextMenuBind;
  8041.     delete this.touchSwipeBind;
  8042.   }
  8043.  
  8044.   _fullscreenChange() {
  8045.     if (this.isFullscreen) {
  8046.       this._enter();
  8047.     } else {
  8048.       this._exit();
  8049.     }
  8050.   }
  8051.  
  8052.   _addFullscreenChangeListeners() {
  8053.     this.fullscreenChangeBind = this._fullscreenChange.bind(this);
  8054.     window.addEventListener("fullscreenchange", this.fullscreenChangeBind);
  8055.     window.addEventListener("mozfullscreenchange", this.fullscreenChangeBind);
  8056.     window.addEventListener("webkitfullscreenchange", this.fullscreenChangeBind);
  8057.   }
  8058.  
  8059.   _removeFullscreenChangeListeners() {
  8060.     window.removeEventListener("fullscreenchange", this.fullscreenChangeBind);
  8061.     window.removeEventListener("mozfullscreenchange", this.fullscreenChangeBind);
  8062.     window.removeEventListener("webkitfullscreenchange", this.fullscreenChangeBind);
  8063.     delete this.fullscreenChangeBind;
  8064.   }
  8065.  
  8066. }
  8067.  
  8068. exports.PDFPresentationMode = PDFPresentationMode;
  8069.  
  8070. /***/ }),
  8071. /* 22 */
  8072. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  8073.  
  8074.  
  8075.  
  8076. Object.defineProperty(exports, "__esModule", ({
  8077.   value: true
  8078. }));
  8079. exports.PDFScriptingManager = void 0;
  8080.  
  8081. var _pdfjsLib = __webpack_require__(5);
  8082.  
  8083. var _ui_utils = __webpack_require__(4);
  8084.  
  8085. var _pdf_rendering_queue = __webpack_require__(8);
  8086.  
  8087. class PDFScriptingManager {
  8088.   constructor({
  8089.     eventBus,
  8090.     sandboxBundleSrc = null,
  8091.     scriptingFactory = null,
  8092.     docPropertiesLookup = null
  8093.   }) {
  8094.     this._pdfDocument = null;
  8095.     this._pdfViewer = null;
  8096.     this._closeCapability = null;
  8097.     this._destroyCapability = null;
  8098.     this._scripting = null;
  8099.     this._mouseState = Object.create(null);
  8100.     this._pageEventsReady = false;
  8101.     this._ready = false;
  8102.     this._eventBus = eventBus;
  8103.     this._sandboxBundleSrc = sandboxBundleSrc;
  8104.     this._scriptingFactory = scriptingFactory;
  8105.     this._docPropertiesLookup = docPropertiesLookup;
  8106.   }
  8107.  
  8108.   setViewer(pdfViewer) {
  8109.     this._pdfViewer = pdfViewer;
  8110.   }
  8111.  
  8112.   async setDocument(pdfDocument) {
  8113.     if (this._pdfDocument) {
  8114.       await this._destroyScripting();
  8115.     }
  8116.  
  8117.     this._pdfDocument = pdfDocument;
  8118.  
  8119.     if (!pdfDocument) {
  8120.       return;
  8121.     }
  8122.  
  8123.     const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]);
  8124.  
  8125.     if (!objects && !docActions) {
  8126.       await this._destroyScripting();
  8127.       return;
  8128.     }
  8129.  
  8130.     if (pdfDocument !== this._pdfDocument) {
  8131.       return;
  8132.     }
  8133.  
  8134.     this._scripting = this._createScripting();
  8135.  
  8136.     this._internalEvents.set("updatefromsandbox", event => {
  8137.       if (event?.source !== window) {
  8138.         return;
  8139.       }
  8140.  
  8141.       this._updateFromSandbox(event.detail);
  8142.     });
  8143.  
  8144.     this._internalEvents.set("dispatcheventinsandbox", event => {
  8145.       this._scripting?.dispatchEventInSandbox(event.detail);
  8146.     });
  8147.  
  8148.     this._internalEvents.set("pagechanging", ({
  8149.       pageNumber,
  8150.       previous
  8151.     }) => {
  8152.       if (pageNumber === previous) {
  8153.         return;
  8154.       }
  8155.  
  8156.       this._dispatchPageClose(previous);
  8157.  
  8158.       this._dispatchPageOpen(pageNumber);
  8159.     });
  8160.  
  8161.     this._internalEvents.set("pagerendered", ({
  8162.       pageNumber
  8163.     }) => {
  8164.       if (!this._pageOpenPending.has(pageNumber)) {
  8165.         return;
  8166.       }
  8167.  
  8168.       if (pageNumber !== this._pdfViewer.currentPageNumber) {
  8169.         return;
  8170.       }
  8171.  
  8172.       this._dispatchPageOpen(pageNumber);
  8173.     });
  8174.  
  8175.     this._internalEvents.set("pagesdestroy", async event => {
  8176.       await this._dispatchPageClose(this._pdfViewer.currentPageNumber);
  8177.       await this._scripting?.dispatchEventInSandbox({
  8178.         id: "doc",
  8179.         name: "WillClose"
  8180.       });
  8181.       this._closeCapability?.resolve();
  8182.     });
  8183.  
  8184.     this._domEvents.set("mousedown", event => {
  8185.       this._mouseState.isDown = true;
  8186.     });
  8187.  
  8188.     this._domEvents.set("mouseup", event => {
  8189.       this._mouseState.isDown = false;
  8190.     });
  8191.  
  8192.     for (const [name, listener] of this._internalEvents) {
  8193.       this._eventBus._on(name, listener);
  8194.     }
  8195.  
  8196.     for (const [name, listener] of this._domEvents) {
  8197.       window.addEventListener(name, listener);
  8198.     }
  8199.  
  8200.     try {
  8201.       const docProperties = await this._getDocProperties();
  8202.  
  8203.       if (pdfDocument !== this._pdfDocument) {
  8204.         return;
  8205.       }
  8206.  
  8207.       await this._scripting.createSandbox({
  8208.         objects,
  8209.         calculationOrder,
  8210.         appInfo: {
  8211.           platform: navigator.platform,
  8212.           language: navigator.language
  8213.         },
  8214.         docInfo: { ...docProperties,
  8215.           actions: docActions
  8216.         }
  8217.       });
  8218.  
  8219.       this._eventBus.dispatch("sandboxcreated", {
  8220.         source: this
  8221.       });
  8222.     } catch (error) {
  8223.       console.error(`PDFScriptingManager.setDocument: "${error?.message}".`);
  8224.       await this._destroyScripting();
  8225.       return;
  8226.     }
  8227.  
  8228.     await this._scripting?.dispatchEventInSandbox({
  8229.       id: "doc",
  8230.       name: "Open"
  8231.     });
  8232.     await this._dispatchPageOpen(this._pdfViewer.currentPageNumber, true);
  8233.     Promise.resolve().then(() => {
  8234.       if (pdfDocument === this._pdfDocument) {
  8235.         this._ready = true;
  8236.       }
  8237.     });
  8238.   }
  8239.  
  8240.   async dispatchWillSave(detail) {
  8241.     return this._scripting?.dispatchEventInSandbox({
  8242.       id: "doc",
  8243.       name: "WillSave"
  8244.     });
  8245.   }
  8246.  
  8247.   async dispatchDidSave(detail) {
  8248.     return this._scripting?.dispatchEventInSandbox({
  8249.       id: "doc",
  8250.       name: "DidSave"
  8251.     });
  8252.   }
  8253.  
  8254.   async dispatchWillPrint(detail) {
  8255.     return this._scripting?.dispatchEventInSandbox({
  8256.       id: "doc",
  8257.       name: "WillPrint"
  8258.     });
  8259.   }
  8260.  
  8261.   async dispatchDidPrint(detail) {
  8262.     return this._scripting?.dispatchEventInSandbox({
  8263.       id: "doc",
  8264.       name: "DidPrint"
  8265.     });
  8266.   }
  8267.  
  8268.   get mouseState() {
  8269.     return this._mouseState;
  8270.   }
  8271.  
  8272.   get destroyPromise() {
  8273.     return this._destroyCapability?.promise || null;
  8274.   }
  8275.  
  8276.   get ready() {
  8277.     return this._ready;
  8278.   }
  8279.  
  8280.   get _internalEvents() {
  8281.     return (0, _pdfjsLib.shadow)(this, "_internalEvents", new Map());
  8282.   }
  8283.  
  8284.   get _domEvents() {
  8285.     return (0, _pdfjsLib.shadow)(this, "_domEvents", new Map());
  8286.   }
  8287.  
  8288.   get _pageOpenPending() {
  8289.     return (0, _pdfjsLib.shadow)(this, "_pageOpenPending", new Set());
  8290.   }
  8291.  
  8292.   get _visitedPages() {
  8293.     return (0, _pdfjsLib.shadow)(this, "_visitedPages", new Map());
  8294.   }
  8295.  
  8296.   async _updateFromSandbox(detail) {
  8297.     const isInPresentationMode = this._pdfViewer.isInPresentationMode || this._pdfViewer.isChangingPresentationMode;
  8298.     const {
  8299.       id,
  8300.       command,
  8301.       value
  8302.     } = detail;
  8303.  
  8304.     if (!id) {
  8305.       switch (command) {
  8306.         case "clear":
  8307.           console.clear();
  8308.           break;
  8309.  
  8310.         case "error":
  8311.           console.error(value);
  8312.           break;
  8313.  
  8314.         case "layout":
  8315.           this._pdfViewer.spreadMode = (0, _ui_utils.apiPageLayoutToSpreadMode)(value);
  8316.           break;
  8317.  
  8318.         case "page-num":
  8319.           this._pdfViewer.currentPageNumber = value + 1;
  8320.           break;
  8321.  
  8322.         case "print":
  8323.           await this._pdfViewer.pagesPromise;
  8324.  
  8325.           this._eventBus.dispatch("print", {
  8326.             source: this
  8327.           });
  8328.  
  8329.           break;
  8330.  
  8331.         case "println":
  8332.           console.log(value);
  8333.           break;
  8334.  
  8335.         case "zoom":
  8336.           if (isInPresentationMode) {
  8337.             return;
  8338.           }
  8339.  
  8340.           this._pdfViewer.currentScaleValue = value;
  8341.           break;
  8342.       }
  8343.  
  8344.       return;
  8345.     }
  8346.  
  8347.     if (isInPresentationMode) {
  8348.       if (detail.focus) {
  8349.         return;
  8350.       }
  8351.     }
  8352.  
  8353.     const element = document.getElementById(id);
  8354.  
  8355.     if (element) {
  8356.       element.dispatchEvent(new CustomEvent("updatefromsandbox", {
  8357.         detail
  8358.       }));
  8359.     } else {
  8360.       delete detail.id;
  8361.       this._pdfDocument?.annotationStorage.setValue(id, detail);
  8362.     }
  8363.   }
  8364.  
  8365.   async _dispatchPageOpen(pageNumber, initialize = false) {
  8366.     const pdfDocument = this._pdfDocument,
  8367.           visitedPages = this._visitedPages;
  8368.  
  8369.     if (initialize) {
  8370.       this._closeCapability = (0, _pdfjsLib.createPromiseCapability)();
  8371.       this._pageEventsReady = true;
  8372.     }
  8373.  
  8374.     if (!this._pageEventsReady) {
  8375.       return;
  8376.     }
  8377.  
  8378.     const pageView = this._pdfViewer.getPageView(pageNumber - 1);
  8379.  
  8380.     if (pageView?.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
  8381.       this._pageOpenPending.add(pageNumber);
  8382.  
  8383.       return;
  8384.     }
  8385.  
  8386.     this._pageOpenPending.delete(pageNumber);
  8387.  
  8388.     const actionsPromise = (async () => {
  8389.       const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null);
  8390.  
  8391.       if (pdfDocument !== this._pdfDocument) {
  8392.         return;
  8393.       }
  8394.  
  8395.       await this._scripting?.dispatchEventInSandbox({
  8396.         id: "page",
  8397.         name: "PageOpen",
  8398.         pageNumber,
  8399.         actions
  8400.       });
  8401.     })();
  8402.  
  8403.     visitedPages.set(pageNumber, actionsPromise);
  8404.   }
  8405.  
  8406.   async _dispatchPageClose(pageNumber) {
  8407.     const pdfDocument = this._pdfDocument,
  8408.           visitedPages = this._visitedPages;
  8409.  
  8410.     if (!this._pageEventsReady) {
  8411.       return;
  8412.     }
  8413.  
  8414.     if (this._pageOpenPending.has(pageNumber)) {
  8415.       return;
  8416.     }
  8417.  
  8418.     const actionsPromise = visitedPages.get(pageNumber);
  8419.  
  8420.     if (!actionsPromise) {
  8421.       return;
  8422.     }
  8423.  
  8424.     visitedPages.set(pageNumber, null);
  8425.     await actionsPromise;
  8426.  
  8427.     if (pdfDocument !== this._pdfDocument) {
  8428.       return;
  8429.     }
  8430.  
  8431.     await this._scripting?.dispatchEventInSandbox({
  8432.       id: "page",
  8433.       name: "PageClose",
  8434.       pageNumber
  8435.     });
  8436.   }
  8437.  
  8438.   async _getDocProperties() {
  8439.     if (this._docPropertiesLookup) {
  8440.       return this._docPropertiesLookup(this._pdfDocument);
  8441.     }
  8442.  
  8443.     throw new Error("_getDocProperties: Unable to lookup properties.");
  8444.   }
  8445.  
  8446.   _createScripting() {
  8447.     this._destroyCapability = (0, _pdfjsLib.createPromiseCapability)();
  8448.  
  8449.     if (this._scripting) {
  8450.       throw new Error("_createScripting: Scripting already exists.");
  8451.     }
  8452.  
  8453.     if (this._scriptingFactory) {
  8454.       return this._scriptingFactory.createScripting({
  8455.         sandboxBundleSrc: this._sandboxBundleSrc
  8456.       });
  8457.     }
  8458.  
  8459.     throw new Error("_createScripting: Cannot create scripting.");
  8460.   }
  8461.  
  8462.   async _destroyScripting() {
  8463.     if (!this._scripting) {
  8464.       this._pdfDocument = null;
  8465.       this._destroyCapability?.resolve();
  8466.       return;
  8467.     }
  8468.  
  8469.     if (this._closeCapability) {
  8470.       await Promise.race([this._closeCapability.promise, new Promise(resolve => {
  8471.         setTimeout(resolve, 1000);
  8472.       })]).catch(reason => {});
  8473.       this._closeCapability = null;
  8474.     }
  8475.  
  8476.     this._pdfDocument = null;
  8477.  
  8478.     try {
  8479.       await this._scripting.destroySandbox();
  8480.     } catch (ex) {}
  8481.  
  8482.     for (const [name, listener] of this._internalEvents) {
  8483.       this._eventBus._off(name, listener);
  8484.     }
  8485.  
  8486.     this._internalEvents.clear();
  8487.  
  8488.     for (const [name, listener] of this._domEvents) {
  8489.       window.removeEventListener(name, listener);
  8490.     }
  8491.  
  8492.     this._domEvents.clear();
  8493.  
  8494.     this._pageOpenPending.clear();
  8495.  
  8496.     this._visitedPages.clear();
  8497.  
  8498.     this._scripting = null;
  8499.     delete this._mouseState.isDown;
  8500.     this._pageEventsReady = false;
  8501.     this._ready = false;
  8502.     this._destroyCapability?.resolve();
  8503.   }
  8504.  
  8505. }
  8506.  
  8507. exports.PDFScriptingManager = PDFScriptingManager;
  8508.  
  8509. /***/ }),
  8510. /* 23 */
  8511. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  8512.  
  8513.  
  8514.  
  8515. Object.defineProperty(exports, "__esModule", ({
  8516.   value: true
  8517. }));
  8518. exports.PDFSidebar = void 0;
  8519.  
  8520. var _ui_utils = __webpack_require__(4);
  8521.  
  8522. var _pdf_rendering_queue = __webpack_require__(8);
  8523.  
  8524. const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";
  8525.  
  8526. class PDFSidebar {
  8527.   constructor({
  8528.     elements,
  8529.     pdfViewer,
  8530.     pdfThumbnailViewer,
  8531.     eventBus,
  8532.     l10n
  8533.   }) {
  8534.     this.isOpen = false;
  8535.     this.active = _ui_utils.SidebarView.THUMBS;
  8536.     this.isInitialViewSet = false;
  8537.     this.onToggled = null;
  8538.     this.pdfViewer = pdfViewer;
  8539.     this.pdfThumbnailViewer = pdfThumbnailViewer;
  8540.     this.outerContainer = elements.outerContainer;
  8541.     this.viewerContainer = elements.viewerContainer;
  8542.     this.toggleButton = elements.toggleButton;
  8543.     this.thumbnailButton = elements.thumbnailButton;
  8544.     this.outlineButton = elements.outlineButton;
  8545.     this.attachmentsButton = elements.attachmentsButton;
  8546.     this.layersButton = elements.layersButton;
  8547.     this.thumbnailView = elements.thumbnailView;
  8548.     this.outlineView = elements.outlineView;
  8549.     this.attachmentsView = elements.attachmentsView;
  8550.     this.layersView = elements.layersView;
  8551.     this._outlineOptionsContainer = elements.outlineOptionsContainer;
  8552.     this._currentOutlineItemButton = elements.currentOutlineItemButton;
  8553.     this.eventBus = eventBus;
  8554.     this.l10n = l10n;
  8555.  
  8556.     this._addEventListeners();
  8557.   }
  8558.  
  8559.   reset() {
  8560.     this.isInitialViewSet = false;
  8561.  
  8562.     this._hideUINotification(true);
  8563.  
  8564.     this.switchView(_ui_utils.SidebarView.THUMBS);
  8565.     this.outlineButton.disabled = false;
  8566.     this.attachmentsButton.disabled = false;
  8567.     this.layersButton.disabled = false;
  8568.     this._currentOutlineItemButton.disabled = true;
  8569.   }
  8570.  
  8571.   get visibleView() {
  8572.     return this.isOpen ? this.active : _ui_utils.SidebarView.NONE;
  8573.   }
  8574.  
  8575.   get isThumbnailViewVisible() {
  8576.     return this.isOpen && this.active === _ui_utils.SidebarView.THUMBS;
  8577.   }
  8578.  
  8579.   get isOutlineViewVisible() {
  8580.     return this.isOpen && this.active === _ui_utils.SidebarView.OUTLINE;
  8581.   }
  8582.  
  8583.   get isAttachmentsViewVisible() {
  8584.     return this.isOpen && this.active === _ui_utils.SidebarView.ATTACHMENTS;
  8585.   }
  8586.  
  8587.   get isLayersViewVisible() {
  8588.     return this.isOpen && this.active === _ui_utils.SidebarView.LAYERS;
  8589.   }
  8590.  
  8591.   setInitialView(view = _ui_utils.SidebarView.NONE) {
  8592.     if (this.isInitialViewSet) {
  8593.       return;
  8594.     }
  8595.  
  8596.     this.isInitialViewSet = true;
  8597.  
  8598.     if (view === _ui_utils.SidebarView.NONE || view === _ui_utils.SidebarView.UNKNOWN) {
  8599.       this._dispatchEvent();
  8600.  
  8601.       return;
  8602.     }
  8603.  
  8604.     if (!this._switchView(view, true)) {
  8605.       this._dispatchEvent();
  8606.     }
  8607.   }
  8608.  
  8609.   switchView(view, forceOpen = false) {
  8610.     this._switchView(view, forceOpen);
  8611.   }
  8612.  
  8613.   _switchView(view, forceOpen = false) {
  8614.     const isViewChanged = view !== this.active;
  8615.     let shouldForceRendering = false;
  8616.  
  8617.     switch (view) {
  8618.       case _ui_utils.SidebarView.NONE:
  8619.         if (this.isOpen) {
  8620.           this.close();
  8621.           return true;
  8622.         }
  8623.  
  8624.         return false;
  8625.  
  8626.       case _ui_utils.SidebarView.THUMBS:
  8627.         if (this.isOpen && isViewChanged) {
  8628.           shouldForceRendering = true;
  8629.         }
  8630.  
  8631.         break;
  8632.  
  8633.       case _ui_utils.SidebarView.OUTLINE:
  8634.         if (this.outlineButton.disabled) {
  8635.           return false;
  8636.         }
  8637.  
  8638.         break;
  8639.  
  8640.       case _ui_utils.SidebarView.ATTACHMENTS:
  8641.         if (this.attachmentsButton.disabled) {
  8642.           return false;
  8643.         }
  8644.  
  8645.         break;
  8646.  
  8647.       case _ui_utils.SidebarView.LAYERS:
  8648.         if (this.layersButton.disabled) {
  8649.           return false;
  8650.         }
  8651.  
  8652.         break;
  8653.  
  8654.       default:
  8655.         console.error(`PDFSidebar._switchView: "${view}" is not a valid view.`);
  8656.         return false;
  8657.     }
  8658.  
  8659.     this.active = view;
  8660.     this.thumbnailButton.classList.toggle("toggled", view === _ui_utils.SidebarView.THUMBS);
  8661.     this.outlineButton.classList.toggle("toggled", view === _ui_utils.SidebarView.OUTLINE);
  8662.     this.attachmentsButton.classList.toggle("toggled", view === _ui_utils.SidebarView.ATTACHMENTS);
  8663.     this.layersButton.classList.toggle("toggled", view === _ui_utils.SidebarView.LAYERS);
  8664.     this.thumbnailView.classList.toggle("hidden", view !== _ui_utils.SidebarView.THUMBS);
  8665.     this.outlineView.classList.toggle("hidden", view !== _ui_utils.SidebarView.OUTLINE);
  8666.     this.attachmentsView.classList.toggle("hidden", view !== _ui_utils.SidebarView.ATTACHMENTS);
  8667.     this.layersView.classList.toggle("hidden", view !== _ui_utils.SidebarView.LAYERS);
  8668.  
  8669.     this._outlineOptionsContainer.classList.toggle("hidden", view !== _ui_utils.SidebarView.OUTLINE);
  8670.  
  8671.     if (forceOpen && !this.isOpen) {
  8672.       this.open();
  8673.       return true;
  8674.     }
  8675.  
  8676.     if (shouldForceRendering) {
  8677.       this._updateThumbnailViewer();
  8678.  
  8679.       this._forceRendering();
  8680.     }
  8681.  
  8682.     if (isViewChanged) {
  8683.       this._dispatchEvent();
  8684.     }
  8685.  
  8686.     return isViewChanged;
  8687.   }
  8688.  
  8689.   open() {
  8690.     if (this.isOpen) {
  8691.       return;
  8692.     }
  8693.  
  8694.     this.isOpen = true;
  8695.     this.toggleButton.classList.add("toggled");
  8696.     this.toggleButton.setAttribute("aria-expanded", "true");
  8697.     this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");
  8698.  
  8699.     if (this.active === _ui_utils.SidebarView.THUMBS) {
  8700.       this._updateThumbnailViewer();
  8701.     }
  8702.  
  8703.     this._forceRendering();
  8704.  
  8705.     this._dispatchEvent();
  8706.  
  8707.     this._hideUINotification();
  8708.   }
  8709.  
  8710.   close() {
  8711.     if (!this.isOpen) {
  8712.       return;
  8713.     }
  8714.  
  8715.     this.isOpen = false;
  8716.     this.toggleButton.classList.remove("toggled");
  8717.     this.toggleButton.setAttribute("aria-expanded", "false");
  8718.     this.outerContainer.classList.add("sidebarMoving");
  8719.     this.outerContainer.classList.remove("sidebarOpen");
  8720.  
  8721.     this._forceRendering();
  8722.  
  8723.     this._dispatchEvent();
  8724.   }
  8725.  
  8726.   toggle() {
  8727.     if (this.isOpen) {
  8728.       this.close();
  8729.     } else {
  8730.       this.open();
  8731.     }
  8732.   }
  8733.  
  8734.   _dispatchEvent() {
  8735.     this.eventBus.dispatch("sidebarviewchanged", {
  8736.       source: this,
  8737.       view: this.visibleView
  8738.     });
  8739.   }
  8740.  
  8741.   _forceRendering() {
  8742.     if (this.onToggled) {
  8743.       this.onToggled();
  8744.     } else {
  8745.       this.pdfViewer.forceRendering();
  8746.       this.pdfThumbnailViewer.forceRendering();
  8747.     }
  8748.   }
  8749.  
  8750.   _updateThumbnailViewer() {
  8751.     const {
  8752.       pdfViewer,
  8753.       pdfThumbnailViewer
  8754.     } = this;
  8755.     const pagesCount = pdfViewer.pagesCount;
  8756.  
  8757.     for (let pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
  8758.       const pageView = pdfViewer.getPageView(pageIndex);
  8759.  
  8760.       if (pageView?.renderingState === _pdf_rendering_queue.RenderingStates.FINISHED) {
  8761.         const thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
  8762.         thumbnailView.setImage(pageView);
  8763.       }
  8764.     }
  8765.  
  8766.     pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
  8767.   }
  8768.  
  8769.   _showUINotification() {
  8770.     this.l10n.get("toggle_sidebar_notification2.title").then(msg => {
  8771.       this.toggleButton.title = msg;
  8772.     });
  8773.  
  8774.     if (!this.isOpen) {
  8775.       this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
  8776.     }
  8777.   }
  8778.  
  8779.   _hideUINotification(reset = false) {
  8780.     if (this.isOpen || reset) {
  8781.       this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
  8782.     }
  8783.  
  8784.     if (reset) {
  8785.       this.l10n.get("toggle_sidebar.title").then(msg => {
  8786.         this.toggleButton.title = msg;
  8787.       });
  8788.     }
  8789.   }
  8790.  
  8791.   _addEventListeners() {
  8792.     this.viewerContainer.addEventListener("transitionend", evt => {
  8793.       if (evt.target === this.viewerContainer) {
  8794.         this.outerContainer.classList.remove("sidebarMoving");
  8795.       }
  8796.     });
  8797.     this.toggleButton.addEventListener("click", () => {
  8798.       this.toggle();
  8799.     });
  8800.     this.thumbnailButton.addEventListener("click", () => {
  8801.       this.switchView(_ui_utils.SidebarView.THUMBS);
  8802.     });
  8803.     this.outlineButton.addEventListener("click", () => {
  8804.       this.switchView(_ui_utils.SidebarView.OUTLINE);
  8805.     });
  8806.     this.outlineButton.addEventListener("dblclick", () => {
  8807.       this.eventBus.dispatch("toggleoutlinetree", {
  8808.         source: this
  8809.       });
  8810.     });
  8811.     this.attachmentsButton.addEventListener("click", () => {
  8812.       this.switchView(_ui_utils.SidebarView.ATTACHMENTS);
  8813.     });
  8814.     this.layersButton.addEventListener("click", () => {
  8815.       this.switchView(_ui_utils.SidebarView.LAYERS);
  8816.     });
  8817.     this.layersButton.addEventListener("dblclick", () => {
  8818.       this.eventBus.dispatch("resetlayers", {
  8819.         source: this
  8820.       });
  8821.     });
  8822.  
  8823.     this._currentOutlineItemButton.addEventListener("click", () => {
  8824.       this.eventBus.dispatch("currentoutlineitem", {
  8825.         source: this
  8826.       });
  8827.     });
  8828.  
  8829.     const onTreeLoaded = (count, button, view) => {
  8830.       button.disabled = !count;
  8831.  
  8832.       if (count) {
  8833.         this._showUINotification();
  8834.       } else if (this.active === view) {
  8835.         this.switchView(_ui_utils.SidebarView.THUMBS);
  8836.       }
  8837.     };
  8838.  
  8839.     this.eventBus._on("outlineloaded", evt => {
  8840.       onTreeLoaded(evt.outlineCount, this.outlineButton, _ui_utils.SidebarView.OUTLINE);
  8841.  
  8842.       if (evt.enableCurrentOutlineItemButton) {
  8843.         this.pdfViewer.pagesPromise.then(() => {
  8844.           this._currentOutlineItemButton.disabled = !this.isInitialViewSet;
  8845.         });
  8846.       }
  8847.     });
  8848.  
  8849.     this.eventBus._on("attachmentsloaded", evt => {
  8850.       onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, _ui_utils.SidebarView.ATTACHMENTS);
  8851.     });
  8852.  
  8853.     this.eventBus._on("layersloaded", evt => {
  8854.       onTreeLoaded(evt.layersCount, this.layersButton, _ui_utils.SidebarView.LAYERS);
  8855.     });
  8856.  
  8857.     this.eventBus._on("presentationmodechanged", evt => {
  8858.       if (evt.state === _ui_utils.PresentationModeState.NORMAL && this.isThumbnailViewVisible) {
  8859.         this._updateThumbnailViewer();
  8860.       }
  8861.     });
  8862.   }
  8863.  
  8864. }
  8865.  
  8866. exports.PDFSidebar = PDFSidebar;
  8867.  
  8868. /***/ }),
  8869. /* 24 */
  8870. /***/ ((__unused_webpack_module, exports) => {
  8871.  
  8872.  
  8873.  
  8874. Object.defineProperty(exports, "__esModule", ({
  8875.   value: true
  8876. }));
  8877. exports.PDFSidebarResizer = void 0;
  8878. const SIDEBAR_WIDTH_VAR = "--sidebar-width";
  8879. const SIDEBAR_MIN_WIDTH = 200;
  8880. const SIDEBAR_RESIZING_CLASS = "sidebarResizing";
  8881.  
  8882. class PDFSidebarResizer {
  8883.   constructor(options, eventBus, l10n) {
  8884.     this.isRTL = false;
  8885.     this.sidebarOpen = false;
  8886.     this.doc = document.documentElement;
  8887.     this._width = null;
  8888.     this._outerContainerWidth = null;
  8889.     this._boundEvents = Object.create(null);
  8890.     this.outerContainer = options.outerContainer;
  8891.     this.resizer = options.resizer;
  8892.     this.eventBus = eventBus;
  8893.     l10n.getDirection().then(dir => {
  8894.       this.isRTL = dir === "rtl";
  8895.     });
  8896.  
  8897.     this._addEventListeners();
  8898.   }
  8899.  
  8900.   get outerContainerWidth() {
  8901.     return this._outerContainerWidth || (this._outerContainerWidth = this.outerContainer.clientWidth);
  8902.   }
  8903.  
  8904.   _updateWidth(width = 0) {
  8905.     const maxWidth = Math.floor(this.outerContainerWidth / 2);
  8906.  
  8907.     if (width > maxWidth) {
  8908.       width = maxWidth;
  8909.     }
  8910.  
  8911.     if (width < SIDEBAR_MIN_WIDTH) {
  8912.       width = SIDEBAR_MIN_WIDTH;
  8913.     }
  8914.  
  8915.     if (width === this._width) {
  8916.       return false;
  8917.     }
  8918.  
  8919.     this._width = width;
  8920.     this.doc.style.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`);
  8921.     return true;
  8922.   }
  8923.  
  8924.   _mouseMove(evt) {
  8925.     let width = evt.clientX;
  8926.  
  8927.     if (this.isRTL) {
  8928.       width = this.outerContainerWidth - width;
  8929.     }
  8930.  
  8931.     this._updateWidth(width);
  8932.   }
  8933.  
  8934.   _mouseUp(evt) {
  8935.     this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
  8936.     this.eventBus.dispatch("resize", {
  8937.       source: this
  8938.     });
  8939.     const _boundEvents = this._boundEvents;
  8940.     window.removeEventListener("mousemove", _boundEvents.mouseMove);
  8941.     window.removeEventListener("mouseup", _boundEvents.mouseUp);
  8942.   }
  8943.  
  8944.   _addEventListeners() {
  8945.     const _boundEvents = this._boundEvents;
  8946.     _boundEvents.mouseMove = this._mouseMove.bind(this);
  8947.     _boundEvents.mouseUp = this._mouseUp.bind(this);
  8948.     this.resizer.addEventListener("mousedown", evt => {
  8949.       if (evt.button !== 0) {
  8950.         return;
  8951.       }
  8952.  
  8953.       this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
  8954.       window.addEventListener("mousemove", _boundEvents.mouseMove);
  8955.       window.addEventListener("mouseup", _boundEvents.mouseUp);
  8956.     });
  8957.  
  8958.     this.eventBus._on("sidebarviewchanged", evt => {
  8959.       this.sidebarOpen = !!evt?.view;
  8960.     });
  8961.  
  8962.     this.eventBus._on("resize", evt => {
  8963.       if (evt?.source !== window) {
  8964.         return;
  8965.       }
  8966.  
  8967.       this._outerContainerWidth = null;
  8968.  
  8969.       if (!this._width) {
  8970.         return;
  8971.       }
  8972.  
  8973.       if (!this.sidebarOpen) {
  8974.         this._updateWidth(this._width);
  8975.  
  8976.         return;
  8977.       }
  8978.  
  8979.       this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
  8980.  
  8981.       const updated = this._updateWidth(this._width);
  8982.  
  8983.       Promise.resolve().then(() => {
  8984.         this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
  8985.  
  8986.         if (updated) {
  8987.           this.eventBus.dispatch("resize", {
  8988.             source: this
  8989.           });
  8990.         }
  8991.       });
  8992.     });
  8993.   }
  8994.  
  8995. }
  8996.  
  8997. exports.PDFSidebarResizer = PDFSidebarResizer;
  8998.  
  8999. /***/ }),
  9000. /* 25 */
  9001. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  9002.  
  9003.  
  9004.  
  9005. Object.defineProperty(exports, "__esModule", ({
  9006.   value: true
  9007. }));
  9008. exports.PDFThumbnailViewer = void 0;
  9009.  
  9010. var _ui_utils = __webpack_require__(4);
  9011.  
  9012. var _pdf_thumbnail_view = __webpack_require__(26);
  9013.  
  9014. var _pdf_rendering_queue = __webpack_require__(8);
  9015.  
  9016. const THUMBNAIL_SCROLL_MARGIN = -19;
  9017. const THUMBNAIL_SELECTED_CLASS = "selected";
  9018.  
  9019. class PDFThumbnailViewer {
  9020.   constructor({
  9021.     container,
  9022.     eventBus,
  9023.     linkService,
  9024.     renderingQueue,
  9025.     l10n
  9026.   }) {
  9027.     this.container = container;
  9028.     this.linkService = linkService;
  9029.     this.renderingQueue = renderingQueue;
  9030.     this.l10n = l10n;
  9031.     this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this));
  9032.  
  9033.     this._resetView();
  9034.  
  9035.     eventBus._on("optionalcontentconfigchanged", () => {
  9036.       this._setImageDisabled = true;
  9037.     });
  9038.   }
  9039.  
  9040.   _scrollUpdated() {
  9041.     this.renderingQueue.renderHighestPriority();
  9042.   }
  9043.  
  9044.   getThumbnail(index) {
  9045.     return this._thumbnails[index];
  9046.   }
  9047.  
  9048.   _getVisibleThumbs() {
  9049.     return (0, _ui_utils.getVisibleElements)({
  9050.       scrollEl: this.container,
  9051.       views: this._thumbnails
  9052.     });
  9053.   }
  9054.  
  9055.   scrollThumbnailIntoView(pageNumber) {
  9056.     if (!this.pdfDocument) {
  9057.       return;
  9058.     }
  9059.  
  9060.     const thumbnailView = this._thumbnails[pageNumber - 1];
  9061.  
  9062.     if (!thumbnailView) {
  9063.       console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
  9064.       return;
  9065.     }
  9066.  
  9067.     if (pageNumber !== this._currentPageNumber) {
  9068.       const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
  9069.       prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
  9070.       thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
  9071.     }
  9072.  
  9073.     const visibleThumbs = this._getVisibleThumbs();
  9074.  
  9075.     const numVisibleThumbs = visibleThumbs.views.length;
  9076.  
  9077.     if (numVisibleThumbs > 0) {
  9078.       const first = visibleThumbs.first.id;
  9079.       const last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
  9080.       let shouldScroll = false;
  9081.  
  9082.       if (pageNumber <= first || pageNumber >= last) {
  9083.         shouldScroll = true;
  9084.       } else {
  9085.         visibleThumbs.views.some(function (view) {
  9086.           if (view.id !== pageNumber) {
  9087.             return false;
  9088.           }
  9089.  
  9090.           shouldScroll = view.percent < 100;
  9091.           return true;
  9092.         });
  9093.       }
  9094.  
  9095.       if (shouldScroll) {
  9096.         (0, _ui_utils.scrollIntoView)(thumbnailView.div, {
  9097.           top: THUMBNAIL_SCROLL_MARGIN
  9098.         });
  9099.       }
  9100.     }
  9101.  
  9102.     this._currentPageNumber = pageNumber;
  9103.   }
  9104.  
  9105.   get pagesRotation() {
  9106.     return this._pagesRotation;
  9107.   }
  9108.  
  9109.   set pagesRotation(rotation) {
  9110.     if (!(0, _ui_utils.isValidRotation)(rotation)) {
  9111.       throw new Error("Invalid thumbnails rotation angle.");
  9112.     }
  9113.  
  9114.     if (!this.pdfDocument) {
  9115.       return;
  9116.     }
  9117.  
  9118.     if (this._pagesRotation === rotation) {
  9119.       return;
  9120.     }
  9121.  
  9122.     this._pagesRotation = rotation;
  9123.  
  9124.     for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
  9125.       this._thumbnails[i].update(rotation);
  9126.     }
  9127.   }
  9128.  
  9129.   cleanup() {
  9130.     for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
  9131.       if (this._thumbnails[i] && this._thumbnails[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
  9132.         this._thumbnails[i].reset();
  9133.       }
  9134.     }
  9135.  
  9136.     _pdf_thumbnail_view.TempImageFactory.destroyCanvas();
  9137.   }
  9138.  
  9139.   _resetView() {
  9140.     this._thumbnails = [];
  9141.     this._currentPageNumber = 1;
  9142.     this._pageLabels = null;
  9143.     this._pagesRotation = 0;
  9144.     this._optionalContentConfigPromise = null;
  9145.     this._pagesRequests = new WeakMap();
  9146.     this._setImageDisabled = false;
  9147.     this.container.textContent = "";
  9148.   }
  9149.  
  9150.   setDocument(pdfDocument) {
  9151.     if (this.pdfDocument) {
  9152.       this._cancelRendering();
  9153.  
  9154.       this._resetView();
  9155.     }
  9156.  
  9157.     this.pdfDocument = pdfDocument;
  9158.  
  9159.     if (!pdfDocument) {
  9160.       return;
  9161.     }
  9162.  
  9163.     const firstPagePromise = pdfDocument.getPage(1);
  9164.     const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
  9165.     firstPagePromise.then(firstPdfPage => {
  9166.       this._optionalContentConfigPromise = optionalContentConfigPromise;
  9167.       const pagesCount = pdfDocument.numPages;
  9168.       const viewport = firstPdfPage.getViewport({
  9169.         scale: 1
  9170.       });
  9171.  
  9172.       const checkSetImageDisabled = () => {
  9173.         return this._setImageDisabled;
  9174.       };
  9175.  
  9176.       for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
  9177.         const thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
  9178.           container: this.container,
  9179.           id: pageNum,
  9180.           defaultViewport: viewport.clone(),
  9181.           optionalContentConfigPromise,
  9182.           linkService: this.linkService,
  9183.           renderingQueue: this.renderingQueue,
  9184.           checkSetImageDisabled,
  9185.           disableCanvasToImageConversion: false,
  9186.           l10n: this.l10n
  9187.         });
  9188.  
  9189.         this._thumbnails.push(thumbnail);
  9190.       }
  9191.  
  9192.       const firstThumbnailView = this._thumbnails[0];
  9193.  
  9194.       if (firstThumbnailView) {
  9195.         firstThumbnailView.setPdfPage(firstPdfPage);
  9196.       }
  9197.  
  9198.       const thumbnailView = this._thumbnails[this._currentPageNumber - 1];
  9199.       thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
  9200.     }).catch(reason => {
  9201.       console.error("Unable to initialize thumbnail viewer", reason);
  9202.     });
  9203.   }
  9204.  
  9205.   _cancelRendering() {
  9206.     for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
  9207.       if (this._thumbnails[i]) {
  9208.         this._thumbnails[i].cancelRendering();
  9209.       }
  9210.     }
  9211.   }
  9212.  
  9213.   setPageLabels(labels) {
  9214.     if (!this.pdfDocument) {
  9215.       return;
  9216.     }
  9217.  
  9218.     if (!labels) {
  9219.       this._pageLabels = null;
  9220.     } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
  9221.       this._pageLabels = null;
  9222.       console.error("PDFThumbnailViewer_setPageLabels: Invalid page labels.");
  9223.     } else {
  9224.       this._pageLabels = labels;
  9225.     }
  9226.  
  9227.     for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
  9228.       this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null);
  9229.     }
  9230.   }
  9231.  
  9232.   _ensurePdfPageLoaded(thumbView) {
  9233.     if (thumbView.pdfPage) {
  9234.       return Promise.resolve(thumbView.pdfPage);
  9235.     }
  9236.  
  9237.     if (this._pagesRequests.has(thumbView)) {
  9238.       return this._pagesRequests.get(thumbView);
  9239.     }
  9240.  
  9241.     const promise = this.pdfDocument.getPage(thumbView.id).then(pdfPage => {
  9242.       if (!thumbView.pdfPage) {
  9243.         thumbView.setPdfPage(pdfPage);
  9244.       }
  9245.  
  9246.       this._pagesRequests.delete(thumbView);
  9247.  
  9248.       return pdfPage;
  9249.     }).catch(reason => {
  9250.       console.error("Unable to get page for thumb view", reason);
  9251.  
  9252.       this._pagesRequests.delete(thumbView);
  9253.     });
  9254.  
  9255.     this._pagesRequests.set(thumbView, promise);
  9256.  
  9257.     return promise;
  9258.   }
  9259.  
  9260.   forceRendering() {
  9261.     const visibleThumbs = this._getVisibleThumbs();
  9262.  
  9263.     const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, this.scroll.down);
  9264.  
  9265.     if (thumbView) {
  9266.       this._ensurePdfPageLoaded(thumbView).then(() => {
  9267.         this.renderingQueue.renderView(thumbView);
  9268.       });
  9269.  
  9270.       return true;
  9271.     }
  9272.  
  9273.     return false;
  9274.   }
  9275.  
  9276. }
  9277.  
  9278. exports.PDFThumbnailViewer = PDFThumbnailViewer;
  9279.  
  9280. /***/ }),
  9281. /* 26 */
  9282. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  9283.  
  9284.  
  9285.  
  9286. Object.defineProperty(exports, "__esModule", ({
  9287.   value: true
  9288. }));
  9289. exports.TempImageFactory = exports.PDFThumbnailView = void 0;
  9290.  
  9291. var _ui_utils = __webpack_require__(4);
  9292.  
  9293. var _pdfjsLib = __webpack_require__(5);
  9294.  
  9295. var _pdf_rendering_queue = __webpack_require__(8);
  9296.  
  9297. const MAX_NUM_SCALING_STEPS = 3;
  9298. const THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
  9299. const THUMBNAIL_WIDTH = 98;
  9300.  
  9301. const TempImageFactory = function TempImageFactoryClosure() {
  9302.   let tempCanvasCache = null;
  9303.   return {
  9304.     getCanvas(width, height) {
  9305.       let tempCanvas = tempCanvasCache;
  9306.  
  9307.       if (!tempCanvas) {
  9308.         tempCanvas = document.createElement("canvas");
  9309.         tempCanvasCache = tempCanvas;
  9310.       }
  9311.  
  9312.       tempCanvas.width = width;
  9313.       tempCanvas.height = height;
  9314.       tempCanvas.mozOpaque = true;
  9315.       const ctx = tempCanvas.getContext("2d", {
  9316.         alpha: false
  9317.       });
  9318.       ctx.save();
  9319.       ctx.fillStyle = "rgb(255, 255, 255)";
  9320.       ctx.fillRect(0, 0, width, height);
  9321.       ctx.restore();
  9322.       return tempCanvas;
  9323.     },
  9324.  
  9325.     destroyCanvas() {
  9326.       const tempCanvas = tempCanvasCache;
  9327.  
  9328.       if (tempCanvas) {
  9329.         tempCanvas.width = 0;
  9330.         tempCanvas.height = 0;
  9331.       }
  9332.  
  9333.       tempCanvasCache = null;
  9334.     }
  9335.  
  9336.   };
  9337. }();
  9338.  
  9339. exports.TempImageFactory = TempImageFactory;
  9340.  
  9341. class PDFThumbnailView {
  9342.   constructor({
  9343.     container,
  9344.     id,
  9345.     defaultViewport,
  9346.     optionalContentConfigPromise,
  9347.     linkService,
  9348.     renderingQueue,
  9349.     checkSetImageDisabled,
  9350.     disableCanvasToImageConversion = false,
  9351.     l10n
  9352.   }) {
  9353.     this.id = id;
  9354.     this.renderingId = "thumbnail" + id;
  9355.     this.pageLabel = null;
  9356.     this.pdfPage = null;
  9357.     this.rotation = 0;
  9358.     this.viewport = defaultViewport;
  9359.     this.pdfPageRotate = defaultViewport.rotation;
  9360.     this._optionalContentConfigPromise = optionalContentConfigPromise || null;
  9361.     this.linkService = linkService;
  9362.     this.renderingQueue = renderingQueue;
  9363.     this.renderTask = null;
  9364.     this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
  9365.     this.resume = null;
  9366.  
  9367.     this._checkSetImageDisabled = checkSetImageDisabled || function () {
  9368.       return false;
  9369.     };
  9370.  
  9371.     this.disableCanvasToImageConversion = disableCanvasToImageConversion;
  9372.     this.pageWidth = this.viewport.width;
  9373.     this.pageHeight = this.viewport.height;
  9374.     this.pageRatio = this.pageWidth / this.pageHeight;
  9375.     this.canvasWidth = THUMBNAIL_WIDTH;
  9376.     this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
  9377.     this.scale = this.canvasWidth / this.pageWidth;
  9378.     this.l10n = l10n;
  9379.     const anchor = document.createElement("a");
  9380.     anchor.href = linkService.getAnchorUrl("#page=" + id);
  9381.  
  9382.     this._thumbPageTitle.then(msg => {
  9383.       anchor.title = msg;
  9384.     });
  9385.  
  9386.     anchor.onclick = function () {
  9387.       linkService.goToPage(id);
  9388.       return false;
  9389.     };
  9390.  
  9391.     this.anchor = anchor;
  9392.     const div = document.createElement("div");
  9393.     div.className = "thumbnail";
  9394.     div.setAttribute("data-page-number", this.id);
  9395.     this.div = div;
  9396.     const ring = document.createElement("div");
  9397.     ring.className = "thumbnailSelectionRing";
  9398.     const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
  9399.     ring.style.width = this.canvasWidth + borderAdjustment + "px";
  9400.     ring.style.height = this.canvasHeight + borderAdjustment + "px";
  9401.     this.ring = ring;
  9402.     div.appendChild(ring);
  9403.     anchor.appendChild(div);
  9404.     container.appendChild(anchor);
  9405.   }
  9406.  
  9407.   setPdfPage(pdfPage) {
  9408.     this.pdfPage = pdfPage;
  9409.     this.pdfPageRotate = pdfPage.rotate;
  9410.     const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
  9411.     this.viewport = pdfPage.getViewport({
  9412.       scale: 1,
  9413.       rotation: totalRotation
  9414.     });
  9415.     this.reset();
  9416.   }
  9417.  
  9418.   reset() {
  9419.     this.cancelRendering();
  9420.     this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
  9421.     this.pageWidth = this.viewport.width;
  9422.     this.pageHeight = this.viewport.height;
  9423.     this.pageRatio = this.pageWidth / this.pageHeight;
  9424.     this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
  9425.     this.scale = this.canvasWidth / this.pageWidth;
  9426.     this.div.removeAttribute("data-loaded");
  9427.     const ring = this.ring;
  9428.     const childNodes = ring.childNodes;
  9429.  
  9430.     for (let i = childNodes.length - 1; i >= 0; i--) {
  9431.       ring.removeChild(childNodes[i]);
  9432.     }
  9433.  
  9434.     const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
  9435.     ring.style.width = this.canvasWidth + borderAdjustment + "px";
  9436.     ring.style.height = this.canvasHeight + borderAdjustment + "px";
  9437.  
  9438.     if (this.canvas) {
  9439.       this.canvas.width = 0;
  9440.       this.canvas.height = 0;
  9441.       delete this.canvas;
  9442.     }
  9443.  
  9444.     if (this.image) {
  9445.       this.image.removeAttribute("src");
  9446.       delete this.image;
  9447.     }
  9448.   }
  9449.  
  9450.   update(rotation) {
  9451.     if (typeof rotation !== "undefined") {
  9452.       this.rotation = rotation;
  9453.     }
  9454.  
  9455.     const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
  9456.     this.viewport = this.viewport.clone({
  9457.       scale: 1,
  9458.       rotation: totalRotation
  9459.     });
  9460.     this.reset();
  9461.   }
  9462.  
  9463.   cancelRendering() {
  9464.     if (this.renderTask) {
  9465.       this.renderTask.cancel();
  9466.       this.renderTask = null;
  9467.     }
  9468.  
  9469.     this.resume = null;
  9470.   }
  9471.  
  9472.   _getPageDrawContext() {
  9473.     const canvas = document.createElement("canvas");
  9474.     this.canvas = canvas;
  9475.     canvas.mozOpaque = true;
  9476.     const ctx = canvas.getContext("2d", {
  9477.       alpha: false
  9478.     });
  9479.     const outputScale = (0, _ui_utils.getOutputScale)(ctx);
  9480.     canvas.width = this.canvasWidth * outputScale.sx | 0;
  9481.     canvas.height = this.canvasHeight * outputScale.sy | 0;
  9482.     canvas.style.width = this.canvasWidth + "px";
  9483.     canvas.style.height = this.canvasHeight + "px";
  9484.     const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
  9485.     return [ctx, transform];
  9486.   }
  9487.  
  9488.   _convertCanvasToImage() {
  9489.     if (!this.canvas) {
  9490.       return;
  9491.     }
  9492.  
  9493.     if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
  9494.       return;
  9495.     }
  9496.  
  9497.     const className = "thumbnailImage";
  9498.  
  9499.     if (this.disableCanvasToImageConversion) {
  9500.       this.canvas.className = className;
  9501.  
  9502.       this._thumbPageCanvas.then(msg => {
  9503.         this.canvas.setAttribute("aria-label", msg);
  9504.       });
  9505.  
  9506.       this.div.setAttribute("data-loaded", true);
  9507.       this.ring.appendChild(this.canvas);
  9508.       return;
  9509.     }
  9510.  
  9511.     const image = document.createElement("img");
  9512.     image.className = className;
  9513.  
  9514.     this._thumbPageCanvas.then(msg => {
  9515.       image.setAttribute("aria-label", msg);
  9516.     });
  9517.  
  9518.     image.style.width = this.canvasWidth + "px";
  9519.     image.style.height = this.canvasHeight + "px";
  9520.     image.src = this.canvas.toDataURL();
  9521.     this.image = image;
  9522.     this.div.setAttribute("data-loaded", true);
  9523.     this.ring.appendChild(image);
  9524.     this.canvas.width = 0;
  9525.     this.canvas.height = 0;
  9526.     delete this.canvas;
  9527.   }
  9528.  
  9529.   draw() {
  9530.     if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
  9531.       console.error("Must be in new state before drawing");
  9532.       return Promise.resolve(undefined);
  9533.     }
  9534.  
  9535.     const {
  9536.       pdfPage
  9537.     } = this;
  9538.  
  9539.     if (!pdfPage) {
  9540.       this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
  9541.       return Promise.reject(new Error("pdfPage is not loaded"));
  9542.     }
  9543.  
  9544.     this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
  9545.  
  9546.     const finishRenderTask = async (error = null) => {
  9547.       if (renderTask === this.renderTask) {
  9548.         this.renderTask = null;
  9549.       }
  9550.  
  9551.       if (error instanceof _pdfjsLib.RenderingCancelledException) {
  9552.         return;
  9553.       }
  9554.  
  9555.       this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
  9556.  
  9557.       this._convertCanvasToImage();
  9558.  
  9559.       if (error) {
  9560.         throw error;
  9561.       }
  9562.     };
  9563.  
  9564.     const [ctx, transform] = this._getPageDrawContext();
  9565.  
  9566.     const drawViewport = this.viewport.clone({
  9567.       scale: this.scale
  9568.     });
  9569.  
  9570.     const renderContinueCallback = cont => {
  9571.       if (!this.renderingQueue.isHighestPriority(this)) {
  9572.         this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
  9573.  
  9574.         this.resume = () => {
  9575.           this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
  9576.           cont();
  9577.         };
  9578.  
  9579.         return;
  9580.       }
  9581.  
  9582.       cont();
  9583.     };
  9584.  
  9585.     const renderContext = {
  9586.       canvasContext: ctx,
  9587.       transform,
  9588.       viewport: drawViewport,
  9589.       optionalContentConfigPromise: this._optionalContentConfigPromise
  9590.     };
  9591.     const renderTask = this.renderTask = pdfPage.render(renderContext);
  9592.     renderTask.onContinue = renderContinueCallback;
  9593.     const resultPromise = renderTask.promise.then(function () {
  9594.       finishRenderTask(null);
  9595.     }, function (error) {
  9596.       finishRenderTask(error);
  9597.     });
  9598.     resultPromise.finally(() => {
  9599.       const pageCached = this.linkService.isPageCached(this.id);
  9600.  
  9601.       if (pageCached) {
  9602.         return;
  9603.       }
  9604.  
  9605.       this.pdfPage?.cleanup();
  9606.     });
  9607.     return resultPromise;
  9608.   }
  9609.  
  9610.   setImage(pageView) {
  9611.     if (this._checkSetImageDisabled()) {
  9612.       return;
  9613.     }
  9614.  
  9615.     if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
  9616.       return;
  9617.     }
  9618.  
  9619.     const img = pageView.canvas;
  9620.  
  9621.     if (!img) {
  9622.       return;
  9623.     }
  9624.  
  9625.     if (!this.pdfPage) {
  9626.       this.setPdfPage(pageView.pdfPage);
  9627.     }
  9628.  
  9629.     this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
  9630.  
  9631.     const [ctx] = this._getPageDrawContext();
  9632.  
  9633.     const canvas = ctx.canvas;
  9634.  
  9635.     if (img.width <= 2 * canvas.width) {
  9636.       ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
  9637.  
  9638.       this._convertCanvasToImage();
  9639.  
  9640.       return;
  9641.     }
  9642.  
  9643.     let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
  9644.     let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
  9645.     const reducedImage = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
  9646.     const reducedImageCtx = reducedImage.getContext("2d");
  9647.  
  9648.     while (reducedWidth > img.width || reducedHeight > img.height) {
  9649.       reducedWidth >>= 1;
  9650.       reducedHeight >>= 1;
  9651.     }
  9652.  
  9653.     reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
  9654.  
  9655.     while (reducedWidth > 2 * canvas.width) {
  9656.       reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
  9657.       reducedWidth >>= 1;
  9658.       reducedHeight >>= 1;
  9659.     }
  9660.  
  9661.     ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
  9662.  
  9663.     this._convertCanvasToImage();
  9664.   }
  9665.  
  9666.   get _thumbPageTitle() {
  9667.     return this.l10n.get("thumb_page_title", {
  9668.       page: this.pageLabel ?? this.id
  9669.     });
  9670.   }
  9671.  
  9672.   get _thumbPageCanvas() {
  9673.     return this.l10n.get("thumb_page_canvas", {
  9674.       page: this.pageLabel ?? this.id
  9675.     });
  9676.   }
  9677.  
  9678.   setPageLabel(label) {
  9679.     this.pageLabel = typeof label === "string" ? label : null;
  9680.  
  9681.     this._thumbPageTitle.then(msg => {
  9682.       this.anchor.title = msg;
  9683.     });
  9684.  
  9685.     if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
  9686.       return;
  9687.     }
  9688.  
  9689.     this._thumbPageCanvas.then(msg => {
  9690.       if (this.image) {
  9691.         this.image.setAttribute("aria-label", msg);
  9692.       } else if (this.disableCanvasToImageConversion && this.canvas) {
  9693.         this.canvas.setAttribute("aria-label", msg);
  9694.       }
  9695.     });
  9696.   }
  9697.  
  9698. }
  9699.  
  9700. exports.PDFThumbnailView = PDFThumbnailView;
  9701.  
  9702. /***/ }),
  9703. /* 27 */
  9704. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  9705.  
  9706.  
  9707.  
  9708. Object.defineProperty(exports, "__esModule", ({
  9709.   value: true
  9710. }));
  9711. exports.PDFViewer = void 0;
  9712.  
  9713. var _ui_utils = __webpack_require__(4);
  9714.  
  9715. var _base_viewer = __webpack_require__(28);
  9716.  
  9717. var _pdfjsLib = __webpack_require__(5);
  9718.  
  9719. class PDFViewer extends _base_viewer.BaseViewer {
  9720.   get _viewerElement() {
  9721.     return (0, _pdfjsLib.shadow)(this, "_viewerElement", this.viewer);
  9722.   }
  9723.  
  9724.   _scrollIntoView({
  9725.     pageDiv,
  9726.     pageSpot = null,
  9727.     pageNumber = null
  9728.   }) {
  9729.     if (!pageSpot && !this.isInPresentationMode) {
  9730.       const left = pageDiv.offsetLeft + pageDiv.clientLeft;
  9731.       const right = left + pageDiv.clientWidth;
  9732.       const {
  9733.         scrollLeft,
  9734.         clientWidth
  9735.       } = this.container;
  9736.  
  9737.       if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
  9738.         pageSpot = {
  9739.           left: 0,
  9740.           top: 0
  9741.         };
  9742.       }
  9743.     }
  9744.  
  9745.     super._scrollIntoView({
  9746.       pageDiv,
  9747.       pageSpot,
  9748.       pageNumber
  9749.     });
  9750.   }
  9751.  
  9752.   _getVisiblePages() {
  9753.     if (this.isInPresentationMode) {
  9754.       return this._getCurrentVisiblePage();
  9755.     }
  9756.  
  9757.     return super._getVisiblePages();
  9758.   }
  9759.  
  9760.   _updateHelper(visiblePages) {
  9761.     if (this.isInPresentationMode) {
  9762.       return;
  9763.     }
  9764.  
  9765.     let currentId = this._currentPageNumber;
  9766.     let stillFullyVisible = false;
  9767.  
  9768.     for (const page of visiblePages) {
  9769.       if (page.percent < 100) {
  9770.         break;
  9771.       }
  9772.  
  9773.       if (page.id === currentId && this._scrollMode === _ui_utils.ScrollMode.VERTICAL && this._spreadMode === _ui_utils.SpreadMode.NONE) {
  9774.         stillFullyVisible = true;
  9775.         break;
  9776.       }
  9777.     }
  9778.  
  9779.     if (!stillFullyVisible) {
  9780.       currentId = visiblePages[0].id;
  9781.     }
  9782.  
  9783.     this._setCurrentPageNumber(currentId);
  9784.   }
  9785.  
  9786. }
  9787.  
  9788. exports.PDFViewer = PDFViewer;
  9789.  
  9790. /***/ }),
  9791. /* 28 */
  9792. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  9793.  
  9794.  
  9795.  
  9796. Object.defineProperty(exports, "__esModule", ({
  9797.   value: true
  9798. }));
  9799. exports.BaseViewer = void 0;
  9800.  
  9801. var _pdfjsLib = __webpack_require__(5);
  9802.  
  9803. var _ui_utils = __webpack_require__(4);
  9804.  
  9805. var _pdf_rendering_queue = __webpack_require__(8);
  9806.  
  9807. var _annotation_layer_builder = __webpack_require__(29);
  9808.  
  9809. var _l10n_utils = __webpack_require__(30);
  9810.  
  9811. var _pdf_page_view = __webpack_require__(31);
  9812.  
  9813. var _pdf_link_service = __webpack_require__(19);
  9814.  
  9815. var _text_layer_builder = __webpack_require__(32);
  9816.  
  9817. var _xfa_layer_builder = __webpack_require__(33);
  9818.  
  9819. const DEFAULT_CACHE_SIZE = 10;
  9820.  
  9821. function PDFPageViewBuffer(size) {
  9822.   const data = [];
  9823.  
  9824.   this.push = function (view) {
  9825.     const i = data.indexOf(view);
  9826.  
  9827.     if (i >= 0) {
  9828.       data.splice(i, 1);
  9829.     }
  9830.  
  9831.     data.push(view);
  9832.  
  9833.     if (data.length > size) {
  9834.       data.shift().destroy();
  9835.     }
  9836.   };
  9837.  
  9838.   this.resize = function (newSize, pagesToKeep) {
  9839.     size = newSize;
  9840.  
  9841.     if (pagesToKeep) {
  9842.       const pageIdsToKeep = new Set();
  9843.  
  9844.       for (let i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
  9845.         pageIdsToKeep.add(pagesToKeep[i].id);
  9846.       }
  9847.  
  9848.       (0, _ui_utils.moveToEndOfArray)(data, function (page) {
  9849.         return pageIdsToKeep.has(page.id);
  9850.       });
  9851.     }
  9852.  
  9853.     while (data.length > size) {
  9854.       data.shift().destroy();
  9855.     }
  9856.   };
  9857.  
  9858.   this.has = function (view) {
  9859.     return data.includes(view);
  9860.   };
  9861. }
  9862.  
  9863. function isSameScale(oldScale, newScale) {
  9864.   if (newScale === oldScale) {
  9865.     return true;
  9866.   }
  9867.  
  9868.   if (Math.abs(newScale - oldScale) < 1e-15) {
  9869.     return true;
  9870.   }
  9871.  
  9872.   return false;
  9873. }
  9874.  
  9875. class BaseViewer {
  9876.   constructor(options) {
  9877.     if (this.constructor === BaseViewer) {
  9878.       throw new Error("Cannot initialize BaseViewer.");
  9879.     }
  9880.  
  9881.     const viewerVersion = '2.8.335';
  9882.  
  9883.     if (_pdfjsLib.version !== viewerVersion) {
  9884.       throw new Error(`The API version "${_pdfjsLib.version}" does not match the Viewer version "${viewerVersion}".`);
  9885.     }
  9886.  
  9887.     this._name = this.constructor.name;
  9888.     this.container = options.container;
  9889.     this.viewer = options.viewer || options.container.firstElementChild;
  9890.  
  9891.     if (!(this.container?.tagName.toUpperCase() === "DIV" && this.viewer?.tagName.toUpperCase() === "DIV")) {
  9892.       throw new Error("Invalid `container` and/or `viewer` option.");
  9893.     }
  9894.  
  9895.     if (this.container.offsetParent && getComputedStyle(this.container).position !== "absolute") {
  9896.       throw new Error("The `container` must be absolutely positioned.");
  9897.     }
  9898.  
  9899.     this.eventBus = options.eventBus;
  9900.     this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
  9901.     this.downloadManager = options.downloadManager || null;
  9902.     this.findController = options.findController || null;
  9903.     this._scriptingManager = options.scriptingManager || null;
  9904.     this.removePageBorders = options.removePageBorders || false;
  9905.     this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
  9906.     this.imageResourcesPath = options.imageResourcesPath || "";
  9907.     this.renderInteractiveForms = options.renderInteractiveForms !== false;
  9908.     this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
  9909.     this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
  9910.     this.enableWebGL = options.enableWebGL || false;
  9911.     this.useOnlyCssZoom = options.useOnlyCssZoom || false;
  9912.     this.maxCanvasPixels = options.maxCanvasPixels;
  9913.     this.l10n = options.l10n || _l10n_utils.NullL10n;
  9914.     this.enableScripting = options.enableScripting === true && !!this._scriptingManager;
  9915.     this.defaultRenderingQueue = !options.renderingQueue;
  9916.  
  9917.     if (this.defaultRenderingQueue) {
  9918.       this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
  9919.       this.renderingQueue.setViewer(this);
  9920.     } else {
  9921.       this.renderingQueue = options.renderingQueue;
  9922.     }
  9923.  
  9924.     this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
  9925.     this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
  9926.     this._onBeforeDraw = this._onAfterDraw = null;
  9927.  
  9928.     this._resetView();
  9929.  
  9930.     if (this.removePageBorders) {
  9931.       this.viewer.classList.add("removePageBorders");
  9932.     }
  9933.  
  9934.     Promise.resolve().then(() => {
  9935.       this.eventBus.dispatch("baseviewerinit", {
  9936.         source: this
  9937.       });
  9938.     });
  9939.   }
  9940.  
  9941.   get pagesCount() {
  9942.     return this._pages.length;
  9943.   }
  9944.  
  9945.   getPageView(index) {
  9946.     return this._pages[index];
  9947.   }
  9948.  
  9949.   get pageViewsReady() {
  9950.     if (!this._pagesCapability.settled) {
  9951.       return false;
  9952.     }
  9953.  
  9954.     return this._pages.every(function (pageView) {
  9955.       return pageView?.pdfPage;
  9956.     });
  9957.   }
  9958.  
  9959.   get currentPageNumber() {
  9960.     return this._currentPageNumber;
  9961.   }
  9962.  
  9963.   set currentPageNumber(val) {
  9964.     if (!Number.isInteger(val)) {
  9965.       throw new Error("Invalid page number.");
  9966.     }
  9967.  
  9968.     if (!this.pdfDocument) {
  9969.       return;
  9970.     }
  9971.  
  9972.     if (!this._setCurrentPageNumber(val, true)) {
  9973.       console.error(`${this._name}.currentPageNumber: "${val}" is not a valid page.`);
  9974.     }
  9975.   }
  9976.  
  9977.   _setCurrentPageNumber(val, resetCurrentPageView = false) {
  9978.     if (this._currentPageNumber === val) {
  9979.       if (resetCurrentPageView) {
  9980.         this._resetCurrentPageView();
  9981.       }
  9982.  
  9983.       return true;
  9984.     }
  9985.  
  9986.     if (!(0 < val && val <= this.pagesCount)) {
  9987.       return false;
  9988.     }
  9989.  
  9990.     const previous = this._currentPageNumber;
  9991.     this._currentPageNumber = val;
  9992.     this.eventBus.dispatch("pagechanging", {
  9993.       source: this,
  9994.       pageNumber: val,
  9995.       pageLabel: this._pageLabels?.[val - 1] ?? null,
  9996.       previous
  9997.     });
  9998.  
  9999.     if (resetCurrentPageView) {
  10000.       this._resetCurrentPageView();
  10001.     }
  10002.  
  10003.     return true;
  10004.   }
  10005.  
  10006.   get currentPageLabel() {
  10007.     return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
  10008.   }
  10009.  
  10010.   set currentPageLabel(val) {
  10011.     if (!this.pdfDocument) {
  10012.       return;
  10013.     }
  10014.  
  10015.     let page = val | 0;
  10016.  
  10017.     if (this._pageLabels) {
  10018.       const i = this._pageLabels.indexOf(val);
  10019.  
  10020.       if (i >= 0) {
  10021.         page = i + 1;
  10022.       }
  10023.     }
  10024.  
  10025.     if (!this._setCurrentPageNumber(page, true)) {
  10026.       console.error(`${this._name}.currentPageLabel: "${val}" is not a valid page.`);
  10027.     }
  10028.   }
  10029.  
  10030.   get currentScale() {
  10031.     return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
  10032.   }
  10033.  
  10034.   set currentScale(val) {
  10035.     if (isNaN(val)) {
  10036.       throw new Error("Invalid numeric scale.");
  10037.     }
  10038.  
  10039.     if (!this.pdfDocument) {
  10040.       return;
  10041.     }
  10042.  
  10043.     this._setScale(val, false);
  10044.   }
  10045.  
  10046.   get currentScaleValue() {
  10047.     return this._currentScaleValue;
  10048.   }
  10049.  
  10050.   set currentScaleValue(val) {
  10051.     if (!this.pdfDocument) {
  10052.       return;
  10053.     }
  10054.  
  10055.     this._setScale(val, false);
  10056.   }
  10057.  
  10058.   get pagesRotation() {
  10059.     return this._pagesRotation;
  10060.   }
  10061.  
  10062.   set pagesRotation(rotation) {
  10063.     if (!(0, _ui_utils.isValidRotation)(rotation)) {
  10064.       throw new Error("Invalid pages rotation angle.");
  10065.     }
  10066.  
  10067.     if (!this.pdfDocument) {
  10068.       return;
  10069.     }
  10070.  
  10071.     rotation %= 360;
  10072.  
  10073.     if (rotation < 0) {
  10074.       rotation += 360;
  10075.     }
  10076.  
  10077.     if (this._pagesRotation === rotation) {
  10078.       return;
  10079.     }
  10080.  
  10081.     this._pagesRotation = rotation;
  10082.     const pageNumber = this._currentPageNumber;
  10083.  
  10084.     for (let i = 0, ii = this._pages.length; i < ii; i++) {
  10085.       const pageView = this._pages[i];
  10086.       pageView.update(pageView.scale, rotation);
  10087.     }
  10088.  
  10089.     if (this._currentScaleValue) {
  10090.       this._setScale(this._currentScaleValue, true);
  10091.     }
  10092.  
  10093.     this.eventBus.dispatch("rotationchanging", {
  10094.       source: this,
  10095.       pagesRotation: rotation,
  10096.       pageNumber
  10097.     });
  10098.  
  10099.     if (this.defaultRenderingQueue) {
  10100.       this.update();
  10101.     }
  10102.   }
  10103.  
  10104.   get firstPagePromise() {
  10105.     return this.pdfDocument ? this._firstPageCapability.promise : null;
  10106.   }
  10107.  
  10108.   get onePageRendered() {
  10109.     return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
  10110.   }
  10111.  
  10112.   get pagesPromise() {
  10113.     return this.pdfDocument ? this._pagesCapability.promise : null;
  10114.   }
  10115.  
  10116.   get _viewerElement() {
  10117.     throw new Error("Not implemented: _viewerElement");
  10118.   }
  10119.  
  10120.   _onePageRenderedOrForceFetch() {
  10121.     if (!this.container.offsetParent || this._getVisiblePages().views.length === 0) {
  10122.       return Promise.resolve();
  10123.     }
  10124.  
  10125.     return this._onePageRenderedCapability.promise;
  10126.   }
  10127.  
  10128.   setDocument(pdfDocument) {
  10129.     if (this.pdfDocument) {
  10130.       this.eventBus.dispatch("pagesdestroy", {
  10131.         source: this
  10132.       });
  10133.  
  10134.       this._cancelRendering();
  10135.  
  10136.       this._resetView();
  10137.  
  10138.       if (this.findController) {
  10139.         this.findController.setDocument(null);
  10140.       }
  10141.  
  10142.       if (this._scriptingManager) {
  10143.         this._scriptingManager.setDocument(null);
  10144.       }
  10145.     }
  10146.  
  10147.     this.pdfDocument = pdfDocument;
  10148.  
  10149.     if (!pdfDocument) {
  10150.       return;
  10151.     }
  10152.  
  10153.     const isPureXfa = pdfDocument.isPureXfa;
  10154.     const pagesCount = pdfDocument.numPages;
  10155.     const firstPagePromise = pdfDocument.getPage(1);
  10156.     const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
  10157.  
  10158.     this._pagesCapability.promise.then(() => {
  10159.       this.eventBus.dispatch("pagesloaded", {
  10160.         source: this,
  10161.         pagesCount
  10162.       });
  10163.     });
  10164.  
  10165.     this._onBeforeDraw = evt => {
  10166.       const pageView = this._pages[evt.pageNumber - 1];
  10167.  
  10168.       if (!pageView) {
  10169.         return;
  10170.       }
  10171.  
  10172.       this._buffer.push(pageView);
  10173.     };
  10174.  
  10175.     this.eventBus._on("pagerender", this._onBeforeDraw);
  10176.  
  10177.     this._onAfterDraw = evt => {
  10178.       if (evt.cssTransform || this._onePageRenderedCapability.settled) {
  10179.         return;
  10180.       }
  10181.  
  10182.       this._onePageRenderedCapability.resolve();
  10183.  
  10184.       this.eventBus._off("pagerendered", this._onAfterDraw);
  10185.  
  10186.       this._onAfterDraw = null;
  10187.     };
  10188.  
  10189.     this.eventBus._on("pagerendered", this._onAfterDraw);
  10190.  
  10191.     firstPagePromise.then(firstPdfPage => {
  10192.       this._firstPageCapability.resolve(firstPdfPage);
  10193.  
  10194.       this._optionalContentConfigPromise = optionalContentConfigPromise;
  10195.       const scale = this.currentScale;
  10196.       const viewport = firstPdfPage.getViewport({
  10197.         scale: scale * _ui_utils.CSS_UNITS
  10198.       });
  10199.       const textLayerFactory = this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE ? this : null;
  10200.       const xfaLayerFactory = isPureXfa ? this : null;
  10201.  
  10202.       for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
  10203.         const pageView = new _pdf_page_view.PDFPageView({
  10204.           container: this._viewerElement,
  10205.           eventBus: this.eventBus,
  10206.           id: pageNum,
  10207.           scale,
  10208.           defaultViewport: viewport.clone(),
  10209.           optionalContentConfigPromise,
  10210.           renderingQueue: this.renderingQueue,
  10211.           textLayerFactory,
  10212.           textLayerMode: this.textLayerMode,
  10213.           annotationLayerFactory: this,
  10214.           xfaLayerFactory,
  10215.           imageResourcesPath: this.imageResourcesPath,
  10216.           renderInteractiveForms: this.renderInteractiveForms,
  10217.           renderer: this.renderer,
  10218.           enableWebGL: this.enableWebGL,
  10219.           useOnlyCssZoom: this.useOnlyCssZoom,
  10220.           maxCanvasPixels: this.maxCanvasPixels,
  10221.           l10n: this.l10n,
  10222.           enableScripting: this.enableScripting
  10223.         });
  10224.  
  10225.         this._pages.push(pageView);
  10226.       }
  10227.  
  10228.       const firstPageView = this._pages[0];
  10229.  
  10230.       if (firstPageView) {
  10231.         firstPageView.setPdfPage(firstPdfPage);
  10232.         this.linkService.cachePageRef(1, firstPdfPage.ref);
  10233.       }
  10234.  
  10235.       if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
  10236.         this._updateSpreadMode();
  10237.       }
  10238.  
  10239.       this._onePageRenderedOrForceFetch().then(() => {
  10240.         if (this.findController) {
  10241.           this.findController.setDocument(pdfDocument);
  10242.         }
  10243.  
  10244.         if (this.enableScripting) {
  10245.           this._scriptingManager.setDocument(pdfDocument);
  10246.         }
  10247.  
  10248.         if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {
  10249.           this._pagesCapability.resolve();
  10250.  
  10251.           return;
  10252.         }
  10253.  
  10254.         let getPagesLeft = pagesCount - 1;
  10255.  
  10256.         if (getPagesLeft <= 0) {
  10257.           this._pagesCapability.resolve();
  10258.  
  10259.           return;
  10260.         }
  10261.  
  10262.         for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
  10263.           pdfDocument.getPage(pageNum).then(pdfPage => {
  10264.             const pageView = this._pages[pageNum - 1];
  10265.  
  10266.             if (!pageView.pdfPage) {
  10267.               pageView.setPdfPage(pdfPage);
  10268.             }
  10269.  
  10270.             this.linkService.cachePageRef(pageNum, pdfPage.ref);
  10271.  
  10272.             if (--getPagesLeft === 0) {
  10273.               this._pagesCapability.resolve();
  10274.             }
  10275.           }, reason => {
  10276.             console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
  10277.  
  10278.             if (--getPagesLeft === 0) {
  10279.               this._pagesCapability.resolve();
  10280.             }
  10281.           });
  10282.         }
  10283.       });
  10284.  
  10285.       this.eventBus.dispatch("pagesinit", {
  10286.         source: this
  10287.       });
  10288.  
  10289.       if (this.defaultRenderingQueue) {
  10290.         this.update();
  10291.       }
  10292.     }).catch(reason => {
  10293.       console.error("Unable to initialize viewer", reason);
  10294.     });
  10295.   }
  10296.  
  10297.   setPageLabels(labels) {
  10298.     if (!this.pdfDocument) {
  10299.       return;
  10300.     }
  10301.  
  10302.     if (!labels) {
  10303.       this._pageLabels = null;
  10304.     } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
  10305.       this._pageLabels = null;
  10306.       console.error(`${this._name}.setPageLabels: Invalid page labels.`);
  10307.     } else {
  10308.       this._pageLabels = labels;
  10309.     }
  10310.  
  10311.     for (let i = 0, ii = this._pages.length; i < ii; i++) {
  10312.       this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
  10313.     }
  10314.   }
  10315.  
  10316.   _resetView() {
  10317.     this._pages = [];
  10318.     this._currentPageNumber = 1;
  10319.     this._currentScale = _ui_utils.UNKNOWN_SCALE;
  10320.     this._currentScaleValue = null;
  10321.     this._pageLabels = null;
  10322.     this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
  10323.     this._location = null;
  10324.     this._pagesRotation = 0;
  10325.     this._optionalContentConfigPromise = null;
  10326.     this._pagesRequests = new WeakMap();
  10327.     this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
  10328.     this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
  10329.     this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
  10330.     this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
  10331.     this._spreadMode = _ui_utils.SpreadMode.NONE;
  10332.  
  10333.     if (this._onBeforeDraw) {
  10334.       this.eventBus._off("pagerender", this._onBeforeDraw);
  10335.  
  10336.       this._onBeforeDraw = null;
  10337.     }
  10338.  
  10339.     if (this._onAfterDraw) {
  10340.       this.eventBus._off("pagerendered", this._onAfterDraw);
  10341.  
  10342.       this._onAfterDraw = null;
  10343.     }
  10344.  
  10345.     this.viewer.textContent = "";
  10346.  
  10347.     this._updateScrollMode();
  10348.   }
  10349.  
  10350.   _scrollUpdate() {
  10351.     if (this.pagesCount === 0) {
  10352.       return;
  10353.     }
  10354.  
  10355.     this.update();
  10356.   }
  10357.  
  10358.   _scrollIntoView({
  10359.     pageDiv,
  10360.     pageSpot = null,
  10361.     pageNumber = null
  10362.   }) {
  10363.     (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
  10364.   }
  10365.  
  10366.   _setScaleUpdatePages(newScale, newValue, noScroll = false, preset = false) {
  10367.     this._currentScaleValue = newValue.toString();
  10368.  
  10369.     if (isSameScale(this._currentScale, newScale)) {
  10370.       if (preset) {
  10371.         this.eventBus.dispatch("scalechanging", {
  10372.           source: this,
  10373.           scale: newScale,
  10374.           presetValue: newValue
  10375.         });
  10376.       }
  10377.  
  10378.       return;
  10379.     }
  10380.  
  10381.     for (let i = 0, ii = this._pages.length; i < ii; i++) {
  10382.       this._pages[i].update(newScale);
  10383.     }
  10384.  
  10385.     this._currentScale = newScale;
  10386.  
  10387.     if (!noScroll) {
  10388.       let page = this._currentPageNumber,
  10389.           dest;
  10390.  
  10391.       if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
  10392.         page = this._location.pageNumber;
  10393.         dest = [null, {
  10394.           name: "XYZ"
  10395.         }, this._location.left, this._location.top, null];
  10396.       }
  10397.  
  10398.       this.scrollPageIntoView({
  10399.         pageNumber: page,
  10400.         destArray: dest,
  10401.         allowNegativeOffset: true
  10402.       });
  10403.     }
  10404.  
  10405.     this.eventBus.dispatch("scalechanging", {
  10406.       source: this,
  10407.       scale: newScale,
  10408.       presetValue: preset ? newValue : undefined
  10409.     });
  10410.  
  10411.     if (this.defaultRenderingQueue) {
  10412.       this.update();
  10413.     }
  10414.   }
  10415.  
  10416.   get _pageWidthScaleFactor() {
  10417.     if (this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL && !this.isInPresentationMode) {
  10418.       return 2;
  10419.     }
  10420.  
  10421.     return 1;
  10422.   }
  10423.  
  10424.   _setScale(value, noScroll = false) {
  10425.     let scale = parseFloat(value);
  10426.  
  10427.     if (scale > 0) {
  10428.       this._setScaleUpdatePages(scale, value, noScroll, false);
  10429.     } else {
  10430.       const currentPage = this._pages[this._currentPageNumber - 1];
  10431.  
  10432.       if (!currentPage) {
  10433.         return;
  10434.       }
  10435.  
  10436.       const noPadding = this.isInPresentationMode || this.removePageBorders;
  10437.       let hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
  10438.       let vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
  10439.  
  10440.       if (!noPadding && this._isScrollModeHorizontal) {
  10441.         [hPadding, vPadding] = [vPadding, hPadding];
  10442.       }
  10443.  
  10444.       const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this._pageWidthScaleFactor;
  10445.       const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
  10446.  
  10447.       switch (value) {
  10448.         case "page-actual":
  10449.           scale = 1;
  10450.           break;
  10451.  
  10452.         case "page-width":
  10453.           scale = pageWidthScale;
  10454.           break;
  10455.  
  10456.         case "page-height":
  10457.           scale = pageHeightScale;
  10458.           break;
  10459.  
  10460.         case "page-fit":
  10461.           scale = Math.min(pageWidthScale, pageHeightScale);
  10462.           break;
  10463.  
  10464.         case "auto":
  10465.           const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
  10466.           scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
  10467.           break;
  10468.  
  10469.         default:
  10470.           console.error(`${this._name}._setScale: "${value}" is an unknown zoom value.`);
  10471.           return;
  10472.       }
  10473.  
  10474.       this._setScaleUpdatePages(scale, value, noScroll, true);
  10475.     }
  10476.   }
  10477.  
  10478.   _resetCurrentPageView() {
  10479.     if (this.isInPresentationMode) {
  10480.       this._setScale(this._currentScaleValue, true);
  10481.     }
  10482.  
  10483.     const pageView = this._pages[this._currentPageNumber - 1];
  10484.  
  10485.     this._scrollIntoView({
  10486.       pageDiv: pageView.div
  10487.     });
  10488.   }
  10489.  
  10490.   pageLabelToPageNumber(label) {
  10491.     if (!this._pageLabels) {
  10492.       return null;
  10493.     }
  10494.  
  10495.     const i = this._pageLabels.indexOf(label);
  10496.  
  10497.     if (i < 0) {
  10498.       return null;
  10499.     }
  10500.  
  10501.     return i + 1;
  10502.   }
  10503.  
  10504.   scrollPageIntoView({
  10505.     pageNumber,
  10506.     destArray = null,
  10507.     allowNegativeOffset = false,
  10508.     ignoreDestinationZoom = false
  10509.   }) {
  10510.     if (!this.pdfDocument) {
  10511.       return;
  10512.     }
  10513.  
  10514.     const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
  10515.  
  10516.     if (!pageView) {
  10517.       console.error(`${this._name}.scrollPageIntoView: ` + `"${pageNumber}" is not a valid pageNumber parameter.`);
  10518.       return;
  10519.     }
  10520.  
  10521.     if (this.isInPresentationMode || !destArray) {
  10522.       this._setCurrentPageNumber(pageNumber, true);
  10523.  
  10524.       return;
  10525.     }
  10526.  
  10527.     let x = 0,
  10528.         y = 0;
  10529.     let width = 0,
  10530.         height = 0,
  10531.         widthScale,
  10532.         heightScale;
  10533.     const changeOrientation = pageView.rotation % 180 !== 0;
  10534.     const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
  10535.     const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
  10536.     let scale = 0;
  10537.  
  10538.     switch (destArray[1].name) {
  10539.       case "XYZ":
  10540.         x = destArray[2];
  10541.         y = destArray[3];
  10542.         scale = destArray[4];
  10543.         x = x !== null ? x : 0;
  10544.         y = y !== null ? y : pageHeight;
  10545.         break;
  10546.  
  10547.       case "Fit":
  10548.       case "FitB":
  10549.         scale = "page-fit";
  10550.         break;
  10551.  
  10552.       case "FitH":
  10553.       case "FitBH":
  10554.         y = destArray[2];
  10555.         scale = "page-width";
  10556.  
  10557.         if (y === null && this._location) {
  10558.           x = this._location.left;
  10559.           y = this._location.top;
  10560.         } else if (typeof y !== "number") {
  10561.           y = pageHeight;
  10562.         }
  10563.  
  10564.         break;
  10565.  
  10566.       case "FitV":
  10567.       case "FitBV":
  10568.         x = destArray[2];
  10569.         width = pageWidth;
  10570.         height = pageHeight;
  10571.         scale = "page-height";
  10572.         break;
  10573.  
  10574.       case "FitR":
  10575.         x = destArray[2];
  10576.         y = destArray[3];
  10577.         width = destArray[4] - x;
  10578.         height = destArray[5] - y;
  10579.         const hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
  10580.         const vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
  10581.         widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
  10582.         heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
  10583.         scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
  10584.         break;
  10585.  
  10586.       default:
  10587.         console.error(`${this._name}.scrollPageIntoView: ` + `"${destArray[1].name}" is not a valid destination type.`);
  10588.         return;
  10589.     }
  10590.  
  10591.     if (!ignoreDestinationZoom) {
  10592.       if (scale && scale !== this._currentScale) {
  10593.         this.currentScaleValue = scale;
  10594.       } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
  10595.         this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
  10596.       }
  10597.     }
  10598.  
  10599.     if (scale === "page-fit" && !destArray[4]) {
  10600.       this._scrollIntoView({
  10601.         pageDiv: pageView.div,
  10602.         pageNumber
  10603.       });
  10604.  
  10605.       return;
  10606.     }
  10607.  
  10608.     const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
  10609.     let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
  10610.     let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
  10611.  
  10612.     if (!allowNegativeOffset) {
  10613.       left = Math.max(left, 0);
  10614.       top = Math.max(top, 0);
  10615.     }
  10616.  
  10617.     this._scrollIntoView({
  10618.       pageDiv: pageView.div,
  10619.       pageSpot: {
  10620.         left,
  10621.         top
  10622.       },
  10623.       pageNumber
  10624.     });
  10625.   }
  10626.  
  10627.   _updateLocation(firstPage) {
  10628.     const currentScale = this._currentScale;
  10629.     const currentScaleValue = this._currentScaleValue;
  10630.     const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
  10631.     const pageNumber = firstPage.id;
  10632.     let pdfOpenParams = "#page=" + pageNumber;
  10633.     pdfOpenParams += "&zoom=" + normalizedScaleValue;
  10634.     const currentPageView = this._pages[pageNumber - 1];
  10635.     const container = this.container;
  10636.     const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
  10637.     const intLeft = Math.round(topLeft[0]);
  10638.     const intTop = Math.round(topLeft[1]);
  10639.     pdfOpenParams += "," + intLeft + "," + intTop;
  10640.     this._location = {
  10641.       pageNumber,
  10642.       scale: normalizedScaleValue,
  10643.       top: intTop,
  10644.       left: intLeft,
  10645.       rotation: this._pagesRotation,
  10646.       pdfOpenParams
  10647.     };
  10648.   }
  10649.  
  10650.   _updateHelper(visiblePages) {
  10651.     throw new Error("Not implemented: _updateHelper");
  10652.   }
  10653.  
  10654.   update() {
  10655.     const visible = this._getVisiblePages();
  10656.  
  10657.     const visiblePages = visible.views,
  10658.           numVisiblePages = visiblePages.length;
  10659.  
  10660.     if (numVisiblePages === 0) {
  10661.       return;
  10662.     }
  10663.  
  10664.     const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
  10665.  
  10666.     this._buffer.resize(newCacheSize, visiblePages);
  10667.  
  10668.     this.renderingQueue.renderHighestPriority(visible);
  10669.  
  10670.     this._updateHelper(visiblePages);
  10671.  
  10672.     this._updateLocation(visible.first);
  10673.  
  10674.     this.eventBus.dispatch("updateviewarea", {
  10675.       source: this,
  10676.       location: this._location
  10677.     });
  10678.   }
  10679.  
  10680.   containsElement(element) {
  10681.     return this.container.contains(element);
  10682.   }
  10683.  
  10684.   focus() {
  10685.     this.container.focus();
  10686.   }
  10687.  
  10688.   get _isScrollModeHorizontal() {
  10689.     return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL;
  10690.   }
  10691.  
  10692.   get _isContainerRtl() {
  10693.     return getComputedStyle(this.container).direction === "rtl";
  10694.   }
  10695.  
  10696.   get isInPresentationMode() {
  10697.     return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
  10698.   }
  10699.  
  10700.   get isChangingPresentationMode() {
  10701.     return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
  10702.   }
  10703.  
  10704.   get isHorizontalScrollbarEnabled() {
  10705.     return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
  10706.   }
  10707.  
  10708.   get isVerticalScrollbarEnabled() {
  10709.     return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
  10710.   }
  10711.  
  10712.   _getCurrentVisiblePage() {
  10713.     if (!this.pagesCount) {
  10714.       return {
  10715.         views: []
  10716.       };
  10717.     }
  10718.  
  10719.     const pageView = this._pages[this._currentPageNumber - 1];
  10720.     const element = pageView.div;
  10721.     const view = {
  10722.       id: pageView.id,
  10723.       x: element.offsetLeft + element.clientLeft,
  10724.       y: element.offsetTop + element.clientTop,
  10725.       view: pageView
  10726.     };
  10727.     return {
  10728.       first: view,
  10729.       last: view,
  10730.       views: [view]
  10731.     };
  10732.   }
  10733.  
  10734.   _getVisiblePages() {
  10735.     return (0, _ui_utils.getVisibleElements)({
  10736.       scrollEl: this.container,
  10737.       views: this._pages,
  10738.       sortByVisibility: true,
  10739.       horizontal: this._isScrollModeHorizontal,
  10740.       rtl: this._isScrollModeHorizontal && this._isContainerRtl
  10741.     });
  10742.   }
  10743.  
  10744.   isPageVisible(pageNumber) {
  10745.     if (!this.pdfDocument) {
  10746.       return false;
  10747.     }
  10748.  
  10749.     if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
  10750.       console.error(`${this._name}.isPageVisible: "${pageNumber}" is not a valid page.`);
  10751.       return false;
  10752.     }
  10753.  
  10754.     return this._getVisiblePages().views.some(function (view) {
  10755.       return view.id === pageNumber;
  10756.     });
  10757.   }
  10758.  
  10759.   isPageCached(pageNumber) {
  10760.     if (!this.pdfDocument || !this._buffer) {
  10761.       return false;
  10762.     }
  10763.  
  10764.     if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
  10765.       console.error(`${this._name}.isPageCached: "${pageNumber}" is not a valid page.`);
  10766.       return false;
  10767.     }
  10768.  
  10769.     const pageView = this._pages[pageNumber - 1];
  10770.  
  10771.     if (!pageView) {
  10772.       return false;
  10773.     }
  10774.  
  10775.     return this._buffer.has(pageView);
  10776.   }
  10777.  
  10778.   cleanup() {
  10779.     for (let i = 0, ii = this._pages.length; i < ii; i++) {
  10780.       if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
  10781.         this._pages[i].reset();
  10782.       }
  10783.     }
  10784.   }
  10785.  
  10786.   _cancelRendering() {
  10787.     for (let i = 0, ii = this._pages.length; i < ii; i++) {
  10788.       if (this._pages[i]) {
  10789.         this._pages[i].cancelRendering();
  10790.       }
  10791.     }
  10792.   }
  10793.  
  10794.   _ensurePdfPageLoaded(pageView) {
  10795.     if (pageView.pdfPage) {
  10796.       return Promise.resolve(pageView.pdfPage);
  10797.     }
  10798.  
  10799.     if (this._pagesRequests.has(pageView)) {
  10800.       return this._pagesRequests.get(pageView);
  10801.     }
  10802.  
  10803.     const promise = this.pdfDocument.getPage(pageView.id).then(pdfPage => {
  10804.       if (!pageView.pdfPage) {
  10805.         pageView.setPdfPage(pdfPage);
  10806.       }
  10807.  
  10808.       this._pagesRequests.delete(pageView);
  10809.  
  10810.       return pdfPage;
  10811.     }).catch(reason => {
  10812.       console.error("Unable to get page for page view", reason);
  10813.  
  10814.       this._pagesRequests.delete(pageView);
  10815.     });
  10816.  
  10817.     this._pagesRequests.set(pageView, promise);
  10818.  
  10819.     return promise;
  10820.   }
  10821.  
  10822.   forceRendering(currentlyVisiblePages) {
  10823.     const visiblePages = currentlyVisiblePages || this._getVisiblePages();
  10824.  
  10825.     const scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
  10826.     const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
  10827.  
  10828.     if (pageView) {
  10829.       this._ensurePdfPageLoaded(pageView).then(() => {
  10830.         this.renderingQueue.renderView(pageView);
  10831.       });
  10832.  
  10833.       return true;
  10834.     }
  10835.  
  10836.     return false;
  10837.   }
  10838.  
  10839.   createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
  10840.     return new _text_layer_builder.TextLayerBuilder({
  10841.       textLayerDiv,
  10842.       eventBus,
  10843.       pageIndex,
  10844.       viewport,
  10845.       findController: this.isInPresentationMode ? null : this.findController,
  10846.       enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
  10847.     });
  10848.   }
  10849.  
  10850.   createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderInteractiveForms = false, l10n = _l10n_utils.NullL10n, enableScripting = false, hasJSActionsPromise = null, mouseState = null) {
  10851.     return new _annotation_layer_builder.AnnotationLayerBuilder({
  10852.       pageDiv,
  10853.       pdfPage,
  10854.       annotationStorage: annotationStorage || this.pdfDocument?.annotationStorage,
  10855.       imageResourcesPath,
  10856.       renderInteractiveForms,
  10857.       linkService: this.linkService,
  10858.       downloadManager: this.downloadManager,
  10859.       l10n,
  10860.       enableScripting,
  10861.       hasJSActionsPromise: hasJSActionsPromise || this.pdfDocument?.hasJSActions(),
  10862.       mouseState: mouseState || this._scriptingManager?.mouseState
  10863.     });
  10864.   }
  10865.  
  10866.   createXfaLayerBuilder(pageDiv, pdfPage) {
  10867.     return new _xfa_layer_builder.XfaLayerBuilder({
  10868.       pageDiv,
  10869.       pdfPage
  10870.     });
  10871.   }
  10872.  
  10873.   get hasEqualPageSizes() {
  10874.     const firstPageView = this._pages[0];
  10875.  
  10876.     for (let i = 1, ii = this._pages.length; i < ii; ++i) {
  10877.       const pageView = this._pages[i];
  10878.  
  10879.       if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
  10880.         return false;
  10881.       }
  10882.     }
  10883.  
  10884.     return true;
  10885.   }
  10886.  
  10887.   getPagesOverview() {
  10888.     return this._pages.map(pageView => {
  10889.       const viewport = pageView.pdfPage.getViewport({
  10890.         scale: 1
  10891.       });
  10892.  
  10893.       if (!this.enablePrintAutoRotate || (0, _ui_utils.isPortraitOrientation)(viewport)) {
  10894.         return {
  10895.           width: viewport.width,
  10896.           height: viewport.height,
  10897.           rotation: viewport.rotation
  10898.         };
  10899.       }
  10900.  
  10901.       return {
  10902.         width: viewport.height,
  10903.         height: viewport.width,
  10904.         rotation: (viewport.rotation - 90) % 360
  10905.       };
  10906.     });
  10907.   }
  10908.  
  10909.   get optionalContentConfigPromise() {
  10910.     if (!this.pdfDocument) {
  10911.       return Promise.resolve(null);
  10912.     }
  10913.  
  10914.     if (!this._optionalContentConfigPromise) {
  10915.       return this.pdfDocument.getOptionalContentConfig();
  10916.     }
  10917.  
  10918.     return this._optionalContentConfigPromise;
  10919.   }
  10920.  
  10921.   set optionalContentConfigPromise(promise) {
  10922.     if (!(promise instanceof Promise)) {
  10923.       throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
  10924.     }
  10925.  
  10926.     if (!this.pdfDocument) {
  10927.       return;
  10928.     }
  10929.  
  10930.     if (!this._optionalContentConfigPromise) {
  10931.       return;
  10932.     }
  10933.  
  10934.     this._optionalContentConfigPromise = promise;
  10935.  
  10936.     for (const pageView of this._pages) {
  10937.       pageView.update(pageView.scale, pageView.rotation, promise);
  10938.     }
  10939.  
  10940.     this.update();
  10941.     this.eventBus.dispatch("optionalcontentconfigchanged", {
  10942.       source: this,
  10943.       promise
  10944.     });
  10945.   }
  10946.  
  10947.   get scrollMode() {
  10948.     return this._scrollMode;
  10949.   }
  10950.  
  10951.   set scrollMode(mode) {
  10952.     if (this._scrollMode === mode) {
  10953.       return;
  10954.     }
  10955.  
  10956.     if (!(0, _ui_utils.isValidScrollMode)(mode)) {
  10957.       throw new Error(`Invalid scroll mode: ${mode}`);
  10958.     }
  10959.  
  10960.     this._scrollMode = mode;
  10961.     this.eventBus.dispatch("scrollmodechanged", {
  10962.       source: this,
  10963.       mode
  10964.     });
  10965.  
  10966.     this._updateScrollMode(this._currentPageNumber);
  10967.   }
  10968.  
  10969.   _updateScrollMode(pageNumber = null) {
  10970.     const scrollMode = this._scrollMode,
  10971.           viewer = this.viewer;
  10972.     viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
  10973.     viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED);
  10974.  
  10975.     if (!this.pdfDocument || !pageNumber) {
  10976.       return;
  10977.     }
  10978.  
  10979.     if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
  10980.       this._setScale(this._currentScaleValue, true);
  10981.     }
  10982.  
  10983.     this._setCurrentPageNumber(pageNumber, true);
  10984.  
  10985.     this.update();
  10986.   }
  10987.  
  10988.   get spreadMode() {
  10989.     return this._spreadMode;
  10990.   }
  10991.  
  10992.   set spreadMode(mode) {
  10993.     if (this._spreadMode === mode) {
  10994.       return;
  10995.     }
  10996.  
  10997.     if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
  10998.       throw new Error(`Invalid spread mode: ${mode}`);
  10999.     }
  11000.  
  11001.     this._spreadMode = mode;
  11002.     this.eventBus.dispatch("spreadmodechanged", {
  11003.       source: this,
  11004.       mode
  11005.     });
  11006.  
  11007.     this._updateSpreadMode(this._currentPageNumber);
  11008.   }
  11009.  
  11010.   _updateSpreadMode(pageNumber = null) {
  11011.     if (!this.pdfDocument) {
  11012.       return;
  11013.     }
  11014.  
  11015.     const viewer = this.viewer,
  11016.           pages = this._pages;
  11017.     viewer.textContent = "";
  11018.  
  11019.     if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
  11020.       for (let i = 0, iMax = pages.length; i < iMax; ++i) {
  11021.         viewer.appendChild(pages[i].div);
  11022.       }
  11023.     } else {
  11024.       const parity = this._spreadMode - 1;
  11025.       let spread = null;
  11026.  
  11027.       for (let i = 0, iMax = pages.length; i < iMax; ++i) {
  11028.         if (spread === null) {
  11029.           spread = document.createElement("div");
  11030.           spread.className = "spread";
  11031.           viewer.appendChild(spread);
  11032.         } else if (i % 2 === parity) {
  11033.           spread = spread.cloneNode(false);
  11034.           viewer.appendChild(spread);
  11035.         }
  11036.  
  11037.         spread.appendChild(pages[i].div);
  11038.       }
  11039.     }
  11040.  
  11041.     if (!pageNumber) {
  11042.       return;
  11043.     }
  11044.  
  11045.     if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
  11046.       this._setScale(this._currentScaleValue, true);
  11047.     }
  11048.  
  11049.     this._setCurrentPageNumber(pageNumber, true);
  11050.  
  11051.     this.update();
  11052.   }
  11053.  
  11054.   _getPageAdvance(currentPageNumber, previous = false) {
  11055.     if (this.isInPresentationMode) {
  11056.       return 1;
  11057.     }
  11058.  
  11059.     switch (this._scrollMode) {
  11060.       case _ui_utils.ScrollMode.WRAPPED:
  11061.         {
  11062.           const {
  11063.             views
  11064.           } = this._getVisiblePages(),
  11065.                 pageLayout = new Map();
  11066.  
  11067.           for (const {
  11068.             id,
  11069.             y,
  11070.             percent,
  11071.             widthPercent
  11072.           } of views) {
  11073.             if (percent === 0 || widthPercent < 100) {
  11074.               continue;
  11075.             }
  11076.  
  11077.             let yArray = pageLayout.get(y);
  11078.  
  11079.             if (!yArray) {
  11080.               pageLayout.set(y, yArray || (yArray = []));
  11081.             }
  11082.  
  11083.             yArray.push(id);
  11084.           }
  11085.  
  11086.           for (const yArray of pageLayout.values()) {
  11087.             const currentIndex = yArray.indexOf(currentPageNumber);
  11088.  
  11089.             if (currentIndex === -1) {
  11090.               continue;
  11091.             }
  11092.  
  11093.             const numPages = yArray.length;
  11094.  
  11095.             if (numPages === 1) {
  11096.               break;
  11097.             }
  11098.  
  11099.             if (previous) {
  11100.               for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
  11101.                 const currentId = yArray[i],
  11102.                       expectedId = yArray[i + 1] - 1;
  11103.  
  11104.                 if (currentId < expectedId) {
  11105.                   return currentPageNumber - expectedId;
  11106.                 }
  11107.               }
  11108.             } else {
  11109.               for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
  11110.                 const currentId = yArray[i],
  11111.                       expectedId = yArray[i - 1] + 1;
  11112.  
  11113.                 if (currentId > expectedId) {
  11114.                   return expectedId - currentPageNumber;
  11115.                 }
  11116.               }
  11117.             }
  11118.  
  11119.             if (previous) {
  11120.               const firstId = yArray[0];
  11121.  
  11122.               if (firstId < currentPageNumber) {
  11123.                 return currentPageNumber - firstId + 1;
  11124.               }
  11125.             } else {
  11126.               const lastId = yArray[numPages - 1];
  11127.  
  11128.               if (lastId > currentPageNumber) {
  11129.                 return lastId - currentPageNumber + 1;
  11130.               }
  11131.             }
  11132.  
  11133.             break;
  11134.           }
  11135.  
  11136.           break;
  11137.         }
  11138.  
  11139.       case _ui_utils.ScrollMode.HORIZONTAL:
  11140.         {
  11141.           break;
  11142.         }
  11143.  
  11144.       case _ui_utils.ScrollMode.VERTICAL:
  11145.         {
  11146.           if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
  11147.             break;
  11148.           }
  11149.  
  11150.           const parity = this._spreadMode - 1;
  11151.  
  11152.           if (previous && currentPageNumber % 2 !== parity) {
  11153.             break;
  11154.           } else if (!previous && currentPageNumber % 2 === parity) {
  11155.             break;
  11156.           }
  11157.  
  11158.           const {
  11159.             views
  11160.           } = this._getVisiblePages(),
  11161.                 expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1;
  11162.  
  11163.           for (const {
  11164.             id,
  11165.             percent,
  11166.             widthPercent
  11167.           } of views) {
  11168.             if (id !== expectedId) {
  11169.               continue;
  11170.             }
  11171.  
  11172.             if (percent > 0 && widthPercent === 100) {
  11173.               return 2;
  11174.             }
  11175.  
  11176.             break;
  11177.           }
  11178.  
  11179.           break;
  11180.         }
  11181.     }
  11182.  
  11183.     return 1;
  11184.   }
  11185.  
  11186.   nextPage() {
  11187.     const currentPageNumber = this._currentPageNumber,
  11188.           pagesCount = this.pagesCount;
  11189.  
  11190.     if (currentPageNumber >= pagesCount) {
  11191.       return false;
  11192.     }
  11193.  
  11194.     const advance = this._getPageAdvance(currentPageNumber, false) || 1;
  11195.     this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount);
  11196.     return true;
  11197.   }
  11198.  
  11199.   previousPage() {
  11200.     const currentPageNumber = this._currentPageNumber;
  11201.  
  11202.     if (currentPageNumber <= 1) {
  11203.       return false;
  11204.     }
  11205.  
  11206.     const advance = this._getPageAdvance(currentPageNumber, true) || 1;
  11207.     this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
  11208.     return true;
  11209.   }
  11210.  
  11211. }
  11212.  
  11213. exports.BaseViewer = BaseViewer;
  11214.  
  11215. /***/ }),
  11216. /* 29 */
  11217. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  11218.  
  11219.  
  11220.  
  11221. Object.defineProperty(exports, "__esModule", ({
  11222.   value: true
  11223. }));
  11224. exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0;
  11225.  
  11226. var _pdfjsLib = __webpack_require__(5);
  11227.  
  11228. var _l10n_utils = __webpack_require__(30);
  11229.  
  11230. var _pdf_link_service = __webpack_require__(19);
  11231.  
  11232. class AnnotationLayerBuilder {
  11233.   constructor({
  11234.     pageDiv,
  11235.     pdfPage,
  11236.     linkService,
  11237.     downloadManager,
  11238.     annotationStorage = null,
  11239.     imageResourcesPath = "",
  11240.     renderInteractiveForms = true,
  11241.     l10n = _l10n_utils.NullL10n,
  11242.     enableScripting = false,
  11243.     hasJSActionsPromise = null,
  11244.     mouseState = null
  11245.   }) {
  11246.     this.pageDiv = pageDiv;
  11247.     this.pdfPage = pdfPage;
  11248.     this.linkService = linkService;
  11249.     this.downloadManager = downloadManager;
  11250.     this.imageResourcesPath = imageResourcesPath;
  11251.     this.renderInteractiveForms = renderInteractiveForms;
  11252.     this.l10n = l10n;
  11253.     this.annotationStorage = annotationStorage;
  11254.     this.enableScripting = enableScripting;
  11255.     this._hasJSActionsPromise = hasJSActionsPromise;
  11256.     this._mouseState = mouseState;
  11257.     this.div = null;
  11258.     this._cancelled = false;
  11259.   }
  11260.  
  11261.   render(viewport, intent = "display") {
  11262.     return Promise.all([this.pdfPage.getAnnotations({
  11263.       intent
  11264.     }), this._hasJSActionsPromise]).then(([annotations, hasJSActions = false]) => {
  11265.       if (this._cancelled) {
  11266.         return;
  11267.       }
  11268.  
  11269.       if (annotations.length === 0) {
  11270.         return;
  11271.       }
  11272.  
  11273.       const parameters = {
  11274.         viewport: viewport.clone({
  11275.           dontFlip: true
  11276.         }),
  11277.         div: this.div,
  11278.         annotations,
  11279.         page: this.pdfPage,
  11280.         imageResourcesPath: this.imageResourcesPath,
  11281.         renderInteractiveForms: this.renderInteractiveForms,
  11282.         linkService: this.linkService,
  11283.         downloadManager: this.downloadManager,
  11284.         annotationStorage: this.annotationStorage,
  11285.         enableScripting: this.enableScripting,
  11286.         hasJSActions,
  11287.         mouseState: this._mouseState
  11288.       };
  11289.  
  11290.       if (this.div) {
  11291.         _pdfjsLib.AnnotationLayer.update(parameters);
  11292.       } else {
  11293.         this.div = document.createElement("div");
  11294.         this.div.className = "annotationLayer";
  11295.         this.pageDiv.appendChild(this.div);
  11296.         parameters.div = this.div;
  11297.  
  11298.         _pdfjsLib.AnnotationLayer.render(parameters);
  11299.  
  11300.         this.l10n.translate(this.div);
  11301.       }
  11302.     });
  11303.   }
  11304.  
  11305.   cancel() {
  11306.     this._cancelled = true;
  11307.   }
  11308.  
  11309.   hide() {
  11310.     if (!this.div) {
  11311.       return;
  11312.     }
  11313.  
  11314.     this.div.hidden = true;
  11315.   }
  11316.  
  11317. }
  11318.  
  11319. exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
  11320.  
  11321. class DefaultAnnotationLayerFactory {
  11322.   createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderInteractiveForms = true, l10n = _l10n_utils.NullL10n, enableScripting = false, hasJSActionsPromise = null, mouseState = null) {
  11323.     return new AnnotationLayerBuilder({
  11324.       pageDiv,
  11325.       pdfPage,
  11326.       imageResourcesPath,
  11327.       renderInteractiveForms,
  11328.       linkService: new _pdf_link_service.SimpleLinkService(),
  11329.       l10n,
  11330.       annotationStorage,
  11331.       enableScripting,
  11332.       hasJSActionsPromise,
  11333.       mouseState
  11334.     });
  11335.   }
  11336.  
  11337. }
  11338.  
  11339. exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
  11340.  
  11341. /***/ }),
  11342. /* 30 */
  11343. /***/ ((__unused_webpack_module, exports) => {
  11344.  
  11345.  
  11346.  
  11347. Object.defineProperty(exports, "__esModule", ({
  11348.   value: true
  11349. }));
  11350. exports.getL10nFallback = getL10nFallback;
  11351. exports.NullL10n = void 0;
  11352. const DEFAULT_L10N_STRINGS = {
  11353.   of_pages: "of {{pagesCount}}",
  11354.   page_of_pages: "({{pageNumber}} of {{pagesCount}})",
  11355.   document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)",
  11356.   document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)",
  11357.   document_properties_date_string: "{{date}}, {{time}}",
  11358.   document_properties_page_size_unit_inches: "in",
  11359.   document_properties_page_size_unit_millimeters: "mm",
  11360.   document_properties_page_size_orientation_portrait: "portrait",
  11361.   document_properties_page_size_orientation_landscape: "landscape",
  11362.   document_properties_page_size_name_a3: "A3",
  11363.   document_properties_page_size_name_a4: "A4",
  11364.   document_properties_page_size_name_letter: "Letter",
  11365.   document_properties_page_size_name_legal: "Legal",
  11366.   document_properties_page_size_dimension_string: "{{width}} × {{height}} {{unit}} ({{orientation}})",
  11367.   document_properties_page_size_dimension_name_string: "{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})",
  11368.   document_properties_linearized_yes: "Yes",
  11369.   document_properties_linearized_no: "No",
  11370.   print_progress_percent: "{{progress}}%",
  11371.   "toggle_sidebar.title": "Toggle Sidebar",
  11372.   "toggle_sidebar_notification2.title": "Toggle Sidebar (document contains outline/attachments/layers)",
  11373.   additional_layers: "Additional Layers",
  11374.   page_landmark: "Page {{page}}",
  11375.   thumb_page_title: "Page {{page}}",
  11376.   thumb_page_canvas: "Thumbnail of Page {{page}}",
  11377.   find_reached_top: "Reached top of document, continued from bottom",
  11378.   find_reached_bottom: "Reached end of document, continued from top",
  11379.   "find_match_count[one]": "{{current}} of {{total}} match",
  11380.   "find_match_count[other]": "{{current}} of {{total}} matches",
  11381.   "find_match_count_limit[one]": "More than {{limit}} match",
  11382.   "find_match_count_limit[other]": "More than {{limit}} matches",
  11383.   find_not_found: "Phrase not found",
  11384.   error_version_info: "PDF.js v{{version}} (build: {{build}})",
  11385.   error_message: "Message: {{message}}",
  11386.   error_stack: "Stack: {{stack}}",
  11387.   error_file: "File: {{file}}",
  11388.   error_line: "Line: {{line}}",
  11389.   rendering_error: "An error occurred while rendering the page.",
  11390.   page_scale_width: "Page Width",
  11391.   page_scale_fit: "Page Fit",
  11392.   page_scale_auto: "Automatic Zoom",
  11393.   page_scale_actual: "Actual Size",
  11394.   page_scale_percent: "{{scale}}%",
  11395.   loading: "Loading…",
  11396.   loading_error: "An error occurred while loading the PDF.",
  11397.   invalid_file_error: "Invalid or corrupted PDF file.",
  11398.   missing_file_error: "Missing PDF file.",
  11399.   unexpected_response_error: "Unexpected server response.",
  11400.   printing_not_supported: "Warning: Printing is not fully supported by this browser.",
  11401.   printing_not_ready: "Warning: The PDF is not fully loaded for printing.",
  11402.   web_fonts_disabled: "Web fonts are disabled: unable to use embedded PDF fonts."
  11403. };
  11404.  
  11405. function getL10nFallback(key, args) {
  11406.   switch (key) {
  11407.     case "find_match_count":
  11408.       key = `find_match_count[${args.total === 1 ? "one" : "other"}]`;
  11409.       break;
  11410.  
  11411.     case "find_match_count_limit":
  11412.       key = `find_match_count_limit[${args.limit === 1 ? "one" : "other"}]`;
  11413.       break;
  11414.   }
  11415.  
  11416.   return DEFAULT_L10N_STRINGS[key] || "";
  11417. }
  11418.  
  11419. function formatL10nValue(text, args) {
  11420.   if (!args) {
  11421.     return text;
  11422.   }
  11423.  
  11424.   return text.replace(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => {
  11425.     return name in args ? args[name] : "{{" + name + "}}";
  11426.   });
  11427. }
  11428.  
  11429. const NullL10n = {
  11430.   async getLanguage() {
  11431.     return "en-us";
  11432.   },
  11433.  
  11434.   async getDirection() {
  11435.     return "ltr";
  11436.   },
  11437.  
  11438.   async get(key, args = null, fallback = getL10nFallback(key, args)) {
  11439.     return formatL10nValue(fallback, args);
  11440.   },
  11441.  
  11442.   async translate(element) {}
  11443.  
  11444. };
  11445. exports.NullL10n = NullL10n;
  11446.  
  11447. /***/ }),
  11448. /* 31 */
  11449. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  11450.  
  11451.  
  11452.  
  11453. Object.defineProperty(exports, "__esModule", ({
  11454.   value: true
  11455. }));
  11456. exports.PDFPageView = void 0;
  11457.  
  11458. var _ui_utils = __webpack_require__(4);
  11459.  
  11460. var _pdfjsLib = __webpack_require__(5);
  11461.  
  11462. var _l10n_utils = __webpack_require__(30);
  11463.  
  11464. var _pdf_rendering_queue = __webpack_require__(8);
  11465.  
  11466. var _viewer_compatibility = __webpack_require__(2);
  11467.  
  11468. const MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;
  11469.  
  11470. class PDFPageView {
  11471.   constructor(options) {
  11472.     const container = options.container;
  11473.     const defaultViewport = options.defaultViewport;
  11474.     this.id = options.id;
  11475.     this.renderingId = "page" + this.id;
  11476.     this.pdfPage = null;
  11477.     this.pageLabel = null;
  11478.     this.rotation = 0;
  11479.     this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
  11480.     this.viewport = defaultViewport;
  11481.     this.pdfPageRotate = defaultViewport.rotation;
  11482.     this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
  11483.     this.hasRestrictedScaling = false;
  11484.     this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
  11485.     this.imageResourcesPath = options.imageResourcesPath || "";
  11486.     this.renderInteractiveForms = options.renderInteractiveForms !== false;
  11487.     this.useOnlyCssZoom = options.useOnlyCssZoom || false;
  11488.     this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
  11489.     this.eventBus = options.eventBus;
  11490.     this.renderingQueue = options.renderingQueue;
  11491.     this.textLayerFactory = options.textLayerFactory;
  11492.     this.annotationLayerFactory = options.annotationLayerFactory;
  11493.     this.xfaLayerFactory = options.xfaLayerFactory;
  11494.     this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
  11495.     this.enableWebGL = options.enableWebGL || false;
  11496.     this.l10n = options.l10n || _l10n_utils.NullL10n;
  11497.     this.enableScripting = options.enableScripting === true;
  11498.     this.paintTask = null;
  11499.     this.paintedViewportMap = new WeakMap();
  11500.     this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
  11501.     this.resume = null;
  11502.     this._renderError = null;
  11503.     this.annotationLayer = null;
  11504.     this.textLayer = null;
  11505.     this.zoomLayer = null;
  11506.     this.xfaLayer = null;
  11507.     const div = document.createElement("div");
  11508.     div.className = "page";
  11509.     div.style.width = Math.floor(this.viewport.width) + "px";
  11510.     div.style.height = Math.floor(this.viewport.height) + "px";
  11511.     div.setAttribute("data-page-number", this.id);
  11512.     div.setAttribute("role", "region");
  11513.     this.l10n.get("page_landmark", {
  11514.       page: this.id
  11515.     }).then(msg => {
  11516.       div.setAttribute("aria-label", msg);
  11517.     });
  11518.     this.div = div;
  11519.     container.appendChild(div);
  11520.   }
  11521.  
  11522.   setPdfPage(pdfPage) {
  11523.     this.pdfPage = pdfPage;
  11524.     this.pdfPageRotate = pdfPage.rotate;
  11525.     const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
  11526.     this.viewport = pdfPage.getViewport({
  11527.       scale: this.scale * _ui_utils.CSS_UNITS,
  11528.       rotation: totalRotation
  11529.     });
  11530.     this.reset();
  11531.   }
  11532.  
  11533.   destroy() {
  11534.     this.reset();
  11535.  
  11536.     if (this.pdfPage) {
  11537.       this.pdfPage.cleanup();
  11538.     }
  11539.   }
  11540.  
  11541.   async _renderAnnotationLayer() {
  11542.     let error = null;
  11543.  
  11544.     try {
  11545.       await this.annotationLayer.render(this.viewport, "display");
  11546.     } catch (ex) {
  11547.       error = ex;
  11548.     } finally {
  11549.       this.eventBus.dispatch("annotationlayerrendered", {
  11550.         source: this,
  11551.         pageNumber: this.id,
  11552.         error
  11553.       });
  11554.     }
  11555.   }
  11556.  
  11557.   async _renderXfaLayer() {
  11558.     let error = null;
  11559.  
  11560.     try {
  11561.       await this.xfaLayer.render(this.viewport, "display");
  11562.     } catch (ex) {
  11563.       error = ex;
  11564.     } finally {
  11565.       this.eventBus.dispatch("xfalayerrendered", {
  11566.         source: this,
  11567.         pageNumber: this.id,
  11568.         error
  11569.       });
  11570.     }
  11571.   }
  11572.  
  11573.   _resetZoomLayer(removeFromDOM = false) {
  11574.     if (!this.zoomLayer) {
  11575.       return;
  11576.     }
  11577.  
  11578.     const zoomLayerCanvas = this.zoomLayer.firstChild;
  11579.     this.paintedViewportMap.delete(zoomLayerCanvas);
  11580.     zoomLayerCanvas.width = 0;
  11581.     zoomLayerCanvas.height = 0;
  11582.  
  11583.     if (removeFromDOM) {
  11584.       this.zoomLayer.remove();
  11585.     }
  11586.  
  11587.     this.zoomLayer = null;
  11588.   }
  11589.  
  11590.   reset(keepZoomLayer = false, keepAnnotations = false) {
  11591.     this.cancelRendering(keepAnnotations);
  11592.     this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
  11593.     const div = this.div;
  11594.     div.style.width = Math.floor(this.viewport.width) + "px";
  11595.     div.style.height = Math.floor(this.viewport.height) + "px";
  11596.     const childNodes = div.childNodes;
  11597.     const currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
  11598.     const currentAnnotationNode = keepAnnotations && this.annotationLayer?.div || null;
  11599.     const currentXfaLayerNode = this.xfaLayer?.div || null;
  11600.  
  11601.     for (let i = childNodes.length - 1; i >= 0; i--) {
  11602.       const node = childNodes[i];
  11603.  
  11604.       if (currentZoomLayerNode === node || currentAnnotationNode === node || currentXfaLayerNode === node) {
  11605.         continue;
  11606.       }
  11607.  
  11608.       div.removeChild(node);
  11609.     }
  11610.  
  11611.     div.removeAttribute("data-loaded");
  11612.  
  11613.     if (currentAnnotationNode) {
  11614.       this.annotationLayer.hide();
  11615.     } else if (this.annotationLayer) {
  11616.       this.annotationLayer.cancel();
  11617.       this.annotationLayer = null;
  11618.     }
  11619.  
  11620.     if (!currentZoomLayerNode) {
  11621.       if (this.canvas) {
  11622.         this.paintedViewportMap.delete(this.canvas);
  11623.         this.canvas.width = 0;
  11624.         this.canvas.height = 0;
  11625.         delete this.canvas;
  11626.       }
  11627.  
  11628.       this._resetZoomLayer();
  11629.     }
  11630.  
  11631.     if (this.svg) {
  11632.       this.paintedViewportMap.delete(this.svg);
  11633.       delete this.svg;
  11634.     }
  11635.  
  11636.     this.loadingIconDiv = document.createElement("div");
  11637.     this.loadingIconDiv.className = "loadingIcon";
  11638.     this.loadingIconDiv.setAttribute("role", "img");
  11639.     this.l10n.get("loading").then(msg => {
  11640.       this.loadingIconDiv?.setAttribute("aria-label", msg);
  11641.     });
  11642.     div.appendChild(this.loadingIconDiv);
  11643.   }
  11644.  
  11645.   update(scale, rotation, optionalContentConfigPromise = null) {
  11646.     this.scale = scale || this.scale;
  11647.  
  11648.     if (typeof rotation !== "undefined") {
  11649.       this.rotation = rotation;
  11650.     }
  11651.  
  11652.     if (optionalContentConfigPromise instanceof Promise) {
  11653.       this._optionalContentConfigPromise = optionalContentConfigPromise;
  11654.     }
  11655.  
  11656.     const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
  11657.     this.viewport = this.viewport.clone({
  11658.       scale: this.scale * _ui_utils.CSS_UNITS,
  11659.       rotation: totalRotation
  11660.     });
  11661.  
  11662.     if (this.svg) {
  11663.       this.cssTransform(this.svg, true);
  11664.       this.eventBus.dispatch("pagerendered", {
  11665.         source: this,
  11666.         pageNumber: this.id,
  11667.         cssTransform: true,
  11668.         timestamp: performance.now(),
  11669.         error: this._renderError
  11670.       });
  11671.       return;
  11672.     }
  11673.  
  11674.     let isScalingRestricted = false;
  11675.  
  11676.     if (this.canvas && this.maxCanvasPixels > 0) {
  11677.       const outputScale = this.outputScale;
  11678.  
  11679.       if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
  11680.         isScalingRestricted = true;
  11681.       }
  11682.     }
  11683.  
  11684.     if (this.canvas) {
  11685.       if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
  11686.         this.cssTransform(this.canvas, true);
  11687.         this.eventBus.dispatch("pagerendered", {
  11688.           source: this,
  11689.           pageNumber: this.id,
  11690.           cssTransform: true,
  11691.           timestamp: performance.now(),
  11692.           error: this._renderError
  11693.         });
  11694.         return;
  11695.       }
  11696.  
  11697.       if (!this.zoomLayer && !this.canvas.hidden) {
  11698.         this.zoomLayer = this.canvas.parentNode;
  11699.         this.zoomLayer.style.position = "absolute";
  11700.       }
  11701.     }
  11702.  
  11703.     if (this.zoomLayer) {
  11704.       this.cssTransform(this.zoomLayer.firstChild);
  11705.     }
  11706.  
  11707.     this.reset(true, true);
  11708.   }
  11709.  
  11710.   cancelRendering(keepAnnotations = false) {
  11711.     if (this.paintTask) {
  11712.       this.paintTask.cancel();
  11713.       this.paintTask = null;
  11714.     }
  11715.  
  11716.     this.resume = null;
  11717.  
  11718.     if (this.textLayer) {
  11719.       this.textLayer.cancel();
  11720.       this.textLayer = null;
  11721.     }
  11722.  
  11723.     if (!keepAnnotations && this.annotationLayer) {
  11724.       this.annotationLayer.cancel();
  11725.       this.annotationLayer = null;
  11726.     }
  11727.   }
  11728.  
  11729.   cssTransform(target, redrawAnnotations = false) {
  11730.     const width = this.viewport.width;
  11731.     const height = this.viewport.height;
  11732.     const div = this.div;
  11733.     target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + "px";
  11734.     target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + "px";
  11735.     const relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
  11736.     const absRotation = Math.abs(relativeRotation);
  11737.     let scaleX = 1,
  11738.         scaleY = 1;
  11739.  
  11740.     if (absRotation === 90 || absRotation === 270) {
  11741.       scaleX = height / width;
  11742.       scaleY = width / height;
  11743.     }
  11744.  
  11745.     target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`;
  11746.  
  11747.     if (this.textLayer) {
  11748.       const textLayerViewport = this.textLayer.viewport;
  11749.       const textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
  11750.       const textAbsRotation = Math.abs(textRelativeRotation);
  11751.       let scale = width / textLayerViewport.width;
  11752.  
  11753.       if (textAbsRotation === 90 || textAbsRotation === 270) {
  11754.         scale = width / textLayerViewport.height;
  11755.       }
  11756.  
  11757.       const textLayerDiv = this.textLayer.textLayerDiv;
  11758.       let transX, transY;
  11759.  
  11760.       switch (textAbsRotation) {
  11761.         case 0:
  11762.           transX = transY = 0;
  11763.           break;
  11764.  
  11765.         case 90:
  11766.           transX = 0;
  11767.           transY = "-" + textLayerDiv.style.height;
  11768.           break;
  11769.  
  11770.         case 180:
  11771.           transX = "-" + textLayerDiv.style.width;
  11772.           transY = "-" + textLayerDiv.style.height;
  11773.           break;
  11774.  
  11775.         case 270:
  11776.           transX = "-" + textLayerDiv.style.width;
  11777.           transY = 0;
  11778.           break;
  11779.  
  11780.         default:
  11781.           console.error("Bad rotation value.");
  11782.           break;
  11783.       }
  11784.  
  11785.       textLayerDiv.style.transform = `rotate(${textAbsRotation}deg) ` + `scale(${scale}) ` + `translate(${transX}, ${transY})`;
  11786.       textLayerDiv.style.transformOrigin = "0% 0%";
  11787.     }
  11788.  
  11789.     if (redrawAnnotations && this.annotationLayer) {
  11790.       this._renderAnnotationLayer();
  11791.     }
  11792.  
  11793.     if (this.xfaLayer) {
  11794.       this._renderXfaLayer();
  11795.     }
  11796.   }
  11797.  
  11798.   get width() {
  11799.     return this.viewport.width;
  11800.   }
  11801.  
  11802.   get height() {
  11803.     return this.viewport.height;
  11804.   }
  11805.  
  11806.   getPagePoint(x, y) {
  11807.     return this.viewport.convertToPdfPoint(x, y);
  11808.   }
  11809.  
  11810.   draw() {
  11811.     if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
  11812.       console.error("Must be in new state before drawing");
  11813.       this.reset();
  11814.     }
  11815.  
  11816.     const {
  11817.       div,
  11818.       pdfPage
  11819.     } = this;
  11820.  
  11821.     if (!pdfPage) {
  11822.       this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
  11823.  
  11824.       if (this.loadingIconDiv) {
  11825.         div.removeChild(this.loadingIconDiv);
  11826.         delete this.loadingIconDiv;
  11827.       }
  11828.  
  11829.       return Promise.reject(new Error("pdfPage is not loaded"));
  11830.     }
  11831.  
  11832.     this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
  11833.     const canvasWrapper = document.createElement("div");
  11834.     canvasWrapper.style.width = div.style.width;
  11835.     canvasWrapper.style.height = div.style.height;
  11836.     canvasWrapper.classList.add("canvasWrapper");
  11837.  
  11838.     if (this.annotationLayer?.div) {
  11839.       div.insertBefore(canvasWrapper, this.annotationLayer.div);
  11840.     } else {
  11841.       div.appendChild(canvasWrapper);
  11842.     }
  11843.  
  11844.     let textLayer = null;
  11845.  
  11846.     if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
  11847.       const textLayerDiv = document.createElement("div");
  11848.       textLayerDiv.className = "textLayer";
  11849.       textLayerDiv.style.width = canvasWrapper.style.width;
  11850.       textLayerDiv.style.height = canvasWrapper.style.height;
  11851.  
  11852.       if (this.annotationLayer?.div) {
  11853.         div.insertBefore(textLayerDiv, this.annotationLayer.div);
  11854.       } else {
  11855.         div.appendChild(textLayerDiv);
  11856.       }
  11857.  
  11858.       textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE, this.eventBus);
  11859.     }
  11860.  
  11861.     this.textLayer = textLayer;
  11862.     let renderContinueCallback = null;
  11863.  
  11864.     if (this.renderingQueue) {
  11865.       renderContinueCallback = cont => {
  11866.         if (!this.renderingQueue.isHighestPriority(this)) {
  11867.           this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
  11868.  
  11869.           this.resume = () => {
  11870.             this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
  11871.             cont();
  11872.           };
  11873.  
  11874.           return;
  11875.         }
  11876.  
  11877.         cont();
  11878.       };
  11879.     }
  11880.  
  11881.     const finishPaintTask = async (error = null) => {
  11882.       if (paintTask === this.paintTask) {
  11883.         this.paintTask = null;
  11884.       }
  11885.  
  11886.       if (error instanceof _pdfjsLib.RenderingCancelledException) {
  11887.         this._renderError = null;
  11888.         return;
  11889.       }
  11890.  
  11891.       this._renderError = error;
  11892.       this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
  11893.  
  11894.       if (this.loadingIconDiv) {
  11895.         div.removeChild(this.loadingIconDiv);
  11896.         delete this.loadingIconDiv;
  11897.       }
  11898.  
  11899.       this._resetZoomLayer(true);
  11900.  
  11901.       this.eventBus.dispatch("pagerendered", {
  11902.         source: this,
  11903.         pageNumber: this.id,
  11904.         cssTransform: false,
  11905.         timestamp: performance.now(),
  11906.         error: this._renderError
  11907.       });
  11908.  
  11909.       if (error) {
  11910.         throw error;
  11911.       }
  11912.     };
  11913.  
  11914.     const paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
  11915.     paintTask.onRenderContinue = renderContinueCallback;
  11916.     this.paintTask = paintTask;
  11917.     const resultPromise = paintTask.promise.then(function () {
  11918.       return finishPaintTask(null).then(function () {
  11919.         if (textLayer) {
  11920.           const readableStream = pdfPage.streamTextContent({
  11921.             normalizeWhitespace: true
  11922.           });
  11923.           textLayer.setTextContentStream(readableStream);
  11924.           textLayer.render();
  11925.         }
  11926.       });
  11927.     }, function (reason) {
  11928.       return finishPaintTask(reason);
  11929.     });
  11930.  
  11931.     if (this.annotationLayerFactory) {
  11932.       if (!this.annotationLayer) {
  11933.         this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, null, this.imageResourcesPath, this.renderInteractiveForms, this.l10n, this.enableScripting, null, null);
  11934.       }
  11935.  
  11936.       this._renderAnnotationLayer();
  11937.     }
  11938.  
  11939.     if (this.xfaLayerFactory) {
  11940.       if (!this.xfaLayer) {
  11941.         this.xfaLayer = this.xfaLayerFactory.createXfaLayerBuilder(div, pdfPage);
  11942.       }
  11943.  
  11944.       this._renderXfaLayer();
  11945.     }
  11946.  
  11947.     div.setAttribute("data-loaded", true);
  11948.     this.eventBus.dispatch("pagerender", {
  11949.       source: this,
  11950.       pageNumber: this.id
  11951.     });
  11952.     return resultPromise;
  11953.   }
  11954.  
  11955.   paintOnCanvas(canvasWrapper) {
  11956.     const renderCapability = (0, _pdfjsLib.createPromiseCapability)();
  11957.     const result = {
  11958.       promise: renderCapability.promise,
  11959.  
  11960.       onRenderContinue(cont) {
  11961.         cont();
  11962.       },
  11963.  
  11964.       cancel() {
  11965.         renderTask.cancel();
  11966.       }
  11967.  
  11968.     };
  11969.     const viewport = this.viewport;
  11970.     const canvas = document.createElement("canvas");
  11971.     canvas.hidden = true;
  11972.     let isCanvasHidden = true;
  11973.  
  11974.     const showCanvas = function () {
  11975.       if (isCanvasHidden) {
  11976.         canvas.hidden = false;
  11977.         isCanvasHidden = false;
  11978.       }
  11979.     };
  11980.  
  11981.     canvasWrapper.appendChild(canvas);
  11982.     this.canvas = canvas;
  11983.     canvas.mozOpaque = true;
  11984.     const ctx = canvas.getContext("2d", {
  11985.       alpha: false
  11986.     });
  11987.     const outputScale = (0, _ui_utils.getOutputScale)(ctx);
  11988.     this.outputScale = outputScale;
  11989.  
  11990.     if (this.useOnlyCssZoom) {
  11991.       const actualSizeViewport = viewport.clone({
  11992.         scale: _ui_utils.CSS_UNITS
  11993.       });
  11994.       outputScale.sx *= actualSizeViewport.width / viewport.width;
  11995.       outputScale.sy *= actualSizeViewport.height / viewport.height;
  11996.       outputScale.scaled = true;
  11997.     }
  11998.  
  11999.     if (this.maxCanvasPixels > 0) {
  12000.       const pixelsInViewport = viewport.width * viewport.height;
  12001.       const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
  12002.  
  12003.       if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
  12004.         outputScale.sx = maxScale;
  12005.         outputScale.sy = maxScale;
  12006.         outputScale.scaled = true;
  12007.         this.hasRestrictedScaling = true;
  12008.       } else {
  12009.         this.hasRestrictedScaling = false;
  12010.       }
  12011.     }
  12012.  
  12013.     const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
  12014.     const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
  12015.     canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
  12016.     canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
  12017.     canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + "px";
  12018.     canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + "px";
  12019.     this.paintedViewportMap.set(canvas, viewport);
  12020.     const transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
  12021.     const renderContext = {
  12022.       canvasContext: ctx,
  12023.       transform,
  12024.       viewport: this.viewport,
  12025.       enableWebGL: this.enableWebGL,
  12026.       renderInteractiveForms: this.renderInteractiveForms,
  12027.       optionalContentConfigPromise: this._optionalContentConfigPromise
  12028.     };
  12029.     const renderTask = this.pdfPage.render(renderContext);
  12030.  
  12031.     renderTask.onContinue = function (cont) {
  12032.       showCanvas();
  12033.  
  12034.       if (result.onRenderContinue) {
  12035.         result.onRenderContinue(cont);
  12036.       } else {
  12037.         cont();
  12038.       }
  12039.     };
  12040.  
  12041.     renderTask.promise.then(function () {
  12042.       showCanvas();
  12043.       renderCapability.resolve(undefined);
  12044.     }, function (error) {
  12045.       showCanvas();
  12046.       renderCapability.reject(error);
  12047.     });
  12048.     return result;
  12049.   }
  12050.  
  12051.   paintOnSvg(wrapper) {
  12052.     let cancelled = false;
  12053.  
  12054.     const ensureNotCancelled = () => {
  12055.       if (cancelled) {
  12056.         throw new _pdfjsLib.RenderingCancelledException(`Rendering cancelled, page ${this.id}`, "svg");
  12057.       }
  12058.     };
  12059.  
  12060.     const pdfPage = this.pdfPage;
  12061.     const actualSizeViewport = this.viewport.clone({
  12062.       scale: _ui_utils.CSS_UNITS
  12063.     });
  12064.     const promise = pdfPage.getOperatorList().then(opList => {
  12065.       ensureNotCancelled();
  12066.       const svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs, _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL);
  12067.       return svgGfx.getSVG(opList, actualSizeViewport).then(svg => {
  12068.         ensureNotCancelled();
  12069.         this.svg = svg;
  12070.         this.paintedViewportMap.set(svg, actualSizeViewport);
  12071.         svg.style.width = wrapper.style.width;
  12072.         svg.style.height = wrapper.style.height;
  12073.         this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
  12074.         wrapper.appendChild(svg);
  12075.       });
  12076.     });
  12077.     return {
  12078.       promise,
  12079.  
  12080.       onRenderContinue(cont) {
  12081.         cont();
  12082.       },
  12083.  
  12084.       cancel() {
  12085.         cancelled = true;
  12086.       }
  12087.  
  12088.     };
  12089.   }
  12090.  
  12091.   setPageLabel(label) {
  12092.     this.pageLabel = typeof label === "string" ? label : null;
  12093.  
  12094.     if (this.pageLabel !== null) {
  12095.       this.div.setAttribute("data-page-label", this.pageLabel);
  12096.     } else {
  12097.       this.div.removeAttribute("data-page-label");
  12098.     }
  12099.   }
  12100.  
  12101. }
  12102.  
  12103. exports.PDFPageView = PDFPageView;
  12104.  
  12105. /***/ }),
  12106. /* 32 */
  12107. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  12108.  
  12109.  
  12110.  
  12111. Object.defineProperty(exports, "__esModule", ({
  12112.   value: true
  12113. }));
  12114. exports.TextLayerBuilder = exports.DefaultTextLayerFactory = void 0;
  12115.  
  12116. var _pdfjsLib = __webpack_require__(5);
  12117.  
  12118. const EXPAND_DIVS_TIMEOUT = 300;
  12119.  
  12120. class TextLayerBuilder {
  12121.   constructor({
  12122.     textLayerDiv,
  12123.     eventBus,
  12124.     pageIndex,
  12125.     viewport,
  12126.     findController = null,
  12127.     enhanceTextSelection = false
  12128.   }) {
  12129.     this.textLayerDiv = textLayerDiv;
  12130.     this.eventBus = eventBus;
  12131.     this.textContent = null;
  12132.     this.textContentItemsStr = [];
  12133.     this.textContentStream = null;
  12134.     this.renderingDone = false;
  12135.     this.pageIdx = pageIndex;
  12136.     this.pageNumber = this.pageIdx + 1;
  12137.     this.matches = [];
  12138.     this.viewport = viewport;
  12139.     this.textDivs = [];
  12140.     this.findController = findController;
  12141.     this.textLayerRenderTask = null;
  12142.     this.enhanceTextSelection = enhanceTextSelection;
  12143.     this._onUpdateTextLayerMatches = null;
  12144.  
  12145.     this._bindMouse();
  12146.   }
  12147.  
  12148.   _finishRendering() {
  12149.     this.renderingDone = true;
  12150.  
  12151.     if (!this.enhanceTextSelection) {
  12152.       const endOfContent = document.createElement("div");
  12153.       endOfContent.className = "endOfContent";
  12154.       this.textLayerDiv.appendChild(endOfContent);
  12155.     }
  12156.  
  12157.     this.eventBus.dispatch("textlayerrendered", {
  12158.       source: this,
  12159.       pageNumber: this.pageNumber,
  12160.       numTextDivs: this.textDivs.length
  12161.     });
  12162.   }
  12163.  
  12164.   render(timeout = 0) {
  12165.     if (!(this.textContent || this.textContentStream) || this.renderingDone) {
  12166.       return;
  12167.     }
  12168.  
  12169.     this.cancel();
  12170.     this.textDivs = [];
  12171.     const textLayerFrag = document.createDocumentFragment();
  12172.     this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
  12173.       textContent: this.textContent,
  12174.       textContentStream: this.textContentStream,
  12175.       container: textLayerFrag,
  12176.       viewport: this.viewport,
  12177.       textDivs: this.textDivs,
  12178.       textContentItemsStr: this.textContentItemsStr,
  12179.       timeout,
  12180.       enhanceTextSelection: this.enhanceTextSelection
  12181.     });
  12182.     this.textLayerRenderTask.promise.then(() => {
  12183.       this.textLayerDiv.appendChild(textLayerFrag);
  12184.  
  12185.       this._finishRendering();
  12186.  
  12187.       this._updateMatches();
  12188.     }, function (reason) {});
  12189.  
  12190.     if (!this._onUpdateTextLayerMatches) {
  12191.       this._onUpdateTextLayerMatches = evt => {
  12192.         if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
  12193.           this._updateMatches();
  12194.         }
  12195.       };
  12196.  
  12197.       this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches);
  12198.     }
  12199.   }
  12200.  
  12201.   cancel() {
  12202.     if (this.textLayerRenderTask) {
  12203.       this.textLayerRenderTask.cancel();
  12204.       this.textLayerRenderTask = null;
  12205.     }
  12206.  
  12207.     if (this._onUpdateTextLayerMatches) {
  12208.       this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches);
  12209.  
  12210.       this._onUpdateTextLayerMatches = null;
  12211.     }
  12212.   }
  12213.  
  12214.   setTextContentStream(readableStream) {
  12215.     this.cancel();
  12216.     this.textContentStream = readableStream;
  12217.   }
  12218.  
  12219.   setTextContent(textContent) {
  12220.     this.cancel();
  12221.     this.textContent = textContent;
  12222.   }
  12223.  
  12224.   _convertMatches(matches, matchesLength) {
  12225.     if (!matches) {
  12226.       return [];
  12227.     }
  12228.  
  12229.     const {
  12230.       textContentItemsStr
  12231.     } = this;
  12232.     let i = 0,
  12233.         iIndex = 0;
  12234.     const end = textContentItemsStr.length - 1;
  12235.     const result = [];
  12236.  
  12237.     for (let m = 0, mm = matches.length; m < mm; m++) {
  12238.       let matchIdx = matches[m];
  12239.  
  12240.       while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
  12241.         iIndex += textContentItemsStr[i].length;
  12242.         i++;
  12243.       }
  12244.  
  12245.       if (i === textContentItemsStr.length) {
  12246.         console.error("Could not find a matching mapping");
  12247.       }
  12248.  
  12249.       const match = {
  12250.         begin: {
  12251.           divIdx: i,
  12252.           offset: matchIdx - iIndex
  12253.         }
  12254.       };
  12255.       matchIdx += matchesLength[m];
  12256.  
  12257.       while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
  12258.         iIndex += textContentItemsStr[i].length;
  12259.         i++;
  12260.       }
  12261.  
  12262.       match.end = {
  12263.         divIdx: i,
  12264.         offset: matchIdx - iIndex
  12265.       };
  12266.       result.push(match);
  12267.     }
  12268.  
  12269.     return result;
  12270.   }
  12271.  
  12272.   _renderMatches(matches) {
  12273.     if (matches.length === 0) {
  12274.       return;
  12275.     }
  12276.  
  12277.     const {
  12278.       findController,
  12279.       pageIdx,
  12280.       textContentItemsStr,
  12281.       textDivs
  12282.     } = this;
  12283.     const isSelectedPage = pageIdx === findController.selected.pageIdx;
  12284.     const selectedMatchIdx = findController.selected.matchIdx;
  12285.     const highlightAll = findController.state.highlightAll;
  12286.     let prevEnd = null;
  12287.     const infinity = {
  12288.       divIdx: -1,
  12289.       offset: undefined
  12290.     };
  12291.  
  12292.     function beginText(begin, className) {
  12293.       const divIdx = begin.divIdx;
  12294.       textDivs[divIdx].textContent = "";
  12295.       appendTextToDiv(divIdx, 0, begin.offset, className);
  12296.     }
  12297.  
  12298.     function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
  12299.       const div = textDivs[divIdx];
  12300.       const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
  12301.       const node = document.createTextNode(content);
  12302.  
  12303.       if (className) {
  12304.         const span = document.createElement("span");
  12305.         span.className = className;
  12306.         span.appendChild(node);
  12307.         div.appendChild(span);
  12308.         return;
  12309.       }
  12310.  
  12311.       div.appendChild(node);
  12312.     }
  12313.  
  12314.     let i0 = selectedMatchIdx,
  12315.         i1 = i0 + 1;
  12316.  
  12317.     if (highlightAll) {
  12318.       i0 = 0;
  12319.       i1 = matches.length;
  12320.     } else if (!isSelectedPage) {
  12321.       return;
  12322.     }
  12323.  
  12324.     for (let i = i0; i < i1; i++) {
  12325.       const match = matches[i];
  12326.       const begin = match.begin;
  12327.       const end = match.end;
  12328.       const isSelected = isSelectedPage && i === selectedMatchIdx;
  12329.       const highlightSuffix = isSelected ? " selected" : "";
  12330.  
  12331.       if (isSelected) {
  12332.         findController.scrollMatchIntoView({
  12333.           element: textDivs[begin.divIdx],
  12334.           pageIndex: pageIdx,
  12335.           matchIndex: selectedMatchIdx
  12336.         });
  12337.       }
  12338.  
  12339.       if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
  12340.         if (prevEnd !== null) {
  12341.           appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
  12342.         }
  12343.  
  12344.         beginText(begin);
  12345.       } else {
  12346.         appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
  12347.       }
  12348.  
  12349.       if (begin.divIdx === end.divIdx) {
  12350.         appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
  12351.       } else {
  12352.         appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
  12353.  
  12354.         for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
  12355.           textDivs[n0].className = "highlight middle" + highlightSuffix;
  12356.         }
  12357.  
  12358.         beginText(end, "highlight end" + highlightSuffix);
  12359.       }
  12360.  
  12361.       prevEnd = end;
  12362.     }
  12363.  
  12364.     if (prevEnd) {
  12365.       appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
  12366.     }
  12367.   }
  12368.  
  12369.   _updateMatches() {
  12370.     if (!this.renderingDone) {
  12371.       return;
  12372.     }
  12373.  
  12374.     const {
  12375.       findController,
  12376.       matches,
  12377.       pageIdx,
  12378.       textContentItemsStr,
  12379.       textDivs
  12380.     } = this;
  12381.     let clearedUntilDivIdx = -1;
  12382.  
  12383.     for (let i = 0, ii = matches.length; i < ii; i++) {
  12384.       const match = matches[i];
  12385.       const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
  12386.  
  12387.       for (let n = begin, end = match.end.divIdx; n <= end; n++) {
  12388.         const div = textDivs[n];
  12389.         div.textContent = textContentItemsStr[n];
  12390.         div.className = "";
  12391.       }
  12392.  
  12393.       clearedUntilDivIdx = match.end.divIdx + 1;
  12394.     }
  12395.  
  12396.     if (!findController?.highlightMatches) {
  12397.       return;
  12398.     }
  12399.  
  12400.     const pageMatches = findController.pageMatches[pageIdx] || null;
  12401.     const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
  12402.     this.matches = this._convertMatches(pageMatches, pageMatchesLength);
  12403.  
  12404.     this._renderMatches(this.matches);
  12405.   }
  12406.  
  12407.   _bindMouse() {
  12408.     const div = this.textLayerDiv;
  12409.     let expandDivsTimer = null;
  12410.     div.addEventListener("mousedown", evt => {
  12411.       if (this.enhanceTextSelection && this.textLayerRenderTask) {
  12412.         this.textLayerRenderTask.expandTextDivs(true);
  12413.  
  12414.         if (expandDivsTimer) {
  12415.           clearTimeout(expandDivsTimer);
  12416.           expandDivsTimer = null;
  12417.         }
  12418.  
  12419.         return;
  12420.       }
  12421.  
  12422.       const end = div.querySelector(".endOfContent");
  12423.  
  12424.       if (!end) {
  12425.         return;
  12426.       }
  12427.  
  12428.       let adjustTop = evt.target !== div;
  12429.       adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue("-moz-user-select") !== "none";
  12430.  
  12431.       if (adjustTop) {
  12432.         const divBounds = div.getBoundingClientRect();
  12433.         const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
  12434.         end.style.top = (r * 100).toFixed(2) + "%";
  12435.       }
  12436.  
  12437.       end.classList.add("active");
  12438.     });
  12439.     div.addEventListener("mouseup", () => {
  12440.       if (this.enhanceTextSelection && this.textLayerRenderTask) {
  12441.         expandDivsTimer = setTimeout(() => {
  12442.           if (this.textLayerRenderTask) {
  12443.             this.textLayerRenderTask.expandTextDivs(false);
  12444.           }
  12445.  
  12446.           expandDivsTimer = null;
  12447.         }, EXPAND_DIVS_TIMEOUT);
  12448.         return;
  12449.       }
  12450.  
  12451.       const end = div.querySelector(".endOfContent");
  12452.  
  12453.       if (!end) {
  12454.         return;
  12455.       }
  12456.  
  12457.       end.style.top = "";
  12458.       end.classList.remove("active");
  12459.     });
  12460.   }
  12461.  
  12462. }
  12463.  
  12464. exports.TextLayerBuilder = TextLayerBuilder;
  12465.  
  12466. class DefaultTextLayerFactory {
  12467.   createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
  12468.     return new TextLayerBuilder({
  12469.       textLayerDiv,
  12470.       pageIndex,
  12471.       viewport,
  12472.       enhanceTextSelection,
  12473.       eventBus
  12474.     });
  12475.   }
  12476.  
  12477. }
  12478.  
  12479. exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
  12480.  
  12481. /***/ }),
  12482. /* 33 */
  12483. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  12484.  
  12485.  
  12486.  
  12487. Object.defineProperty(exports, "__esModule", ({
  12488.   value: true
  12489. }));
  12490. exports.XfaLayerBuilder = exports.DefaultXfaLayerFactory = void 0;
  12491.  
  12492. var _pdfjsLib = __webpack_require__(5);
  12493.  
  12494. class XfaLayerBuilder {
  12495.   constructor({
  12496.     pageDiv,
  12497.     pdfPage
  12498.   }) {
  12499.     this.pageDiv = pageDiv;
  12500.     this.pdfPage = pdfPage;
  12501.     this.div = null;
  12502.     this._cancelled = false;
  12503.   }
  12504.  
  12505.   render(viewport, intent = "display") {
  12506.     return this.pdfPage.getXfa().then(xfa => {
  12507.       if (this._cancelled) {
  12508.         return;
  12509.       }
  12510.  
  12511.       const parameters = {
  12512.         viewport: viewport.clone({
  12513.           dontFlip: true
  12514.         }),
  12515.         div: this.div,
  12516.         xfa,
  12517.         page: this.pdfPage
  12518.       };
  12519.  
  12520.       if (this.div) {
  12521.         _pdfjsLib.XfaLayer.update(parameters);
  12522.       } else {
  12523.         this.div = document.createElement("div");
  12524.         this.pageDiv.appendChild(this.div);
  12525.         parameters.div = this.div;
  12526.  
  12527.         _pdfjsLib.XfaLayer.render(parameters);
  12528.       }
  12529.     });
  12530.   }
  12531.  
  12532.   cancel() {
  12533.     this._cancelled = true;
  12534.   }
  12535.  
  12536.   hide() {
  12537.     if (!this.div) {
  12538.       return;
  12539.     }
  12540.  
  12541.     this.div.hidden = true;
  12542.   }
  12543.  
  12544. }
  12545.  
  12546. exports.XfaLayerBuilder = XfaLayerBuilder;
  12547.  
  12548. class DefaultXfaLayerFactory {
  12549.   createXfaLayerBuilder(pageDiv, pdfPage) {
  12550.     return new XfaLayerBuilder({
  12551.       pageDiv,
  12552.       pdfPage
  12553.     });
  12554.   }
  12555.  
  12556. }
  12557.  
  12558. exports.DefaultXfaLayerFactory = DefaultXfaLayerFactory;
  12559.  
  12560. /***/ }),
  12561. /* 34 */
  12562. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  12563.  
  12564.  
  12565.  
  12566. Object.defineProperty(exports, "__esModule", ({
  12567.   value: true
  12568. }));
  12569. exports.SecondaryToolbar = void 0;
  12570.  
  12571. var _ui_utils = __webpack_require__(4);
  12572.  
  12573. var _pdf_cursor_tools = __webpack_require__(6);
  12574.  
  12575. var _pdf_single_page_viewer = __webpack_require__(35);
  12576.  
  12577. class SecondaryToolbar {
  12578.   constructor(options, mainContainer, eventBus) {
  12579.     this.toolbar = options.toolbar;
  12580.     this.toggleButton = options.toggleButton;
  12581.     this.toolbarButtonContainer = options.toolbarButtonContainer;
  12582.     this.buttons = [{
  12583.       element: options.presentationModeButton,
  12584.       eventName: "presentationmode",
  12585.       close: true
  12586.     }, {
  12587.       element: options.openFileButton,
  12588.       eventName: "openfile",
  12589.       close: true
  12590.     }, {
  12591.       element: options.printButton,
  12592.       eventName: "print",
  12593.       close: true
  12594.     }, {
  12595.       element: options.downloadButton,
  12596.       eventName: "download",
  12597.       close: true
  12598.     }, {
  12599.       element: options.viewBookmarkButton,
  12600.       eventName: null,
  12601.       close: true
  12602.     }, {
  12603.       element: options.firstPageButton,
  12604.       eventName: "firstpage",
  12605.       close: true
  12606.     }, {
  12607.       element: options.lastPageButton,
  12608.       eventName: "lastpage",
  12609.       close: true
  12610.     }, {
  12611.       element: options.pageRotateCwButton,
  12612.       eventName: "rotatecw",
  12613.       close: false
  12614.     }, {
  12615.       element: options.pageRotateCcwButton,
  12616.       eventName: "rotateccw",
  12617.       close: false
  12618.     }, {
  12619.       element: options.cursorSelectToolButton,
  12620.       eventName: "switchcursortool",
  12621.       eventDetails: {
  12622.         tool: _pdf_cursor_tools.CursorTool.SELECT
  12623.       },
  12624.       close: true
  12625.     }, {
  12626.       element: options.cursorHandToolButton,
  12627.       eventName: "switchcursortool",
  12628.       eventDetails: {
  12629.         tool: _pdf_cursor_tools.CursorTool.HAND
  12630.       },
  12631.       close: true
  12632.     }, {
  12633.       element: options.scrollVerticalButton,
  12634.       eventName: "switchscrollmode",
  12635.       eventDetails: {
  12636.         mode: _ui_utils.ScrollMode.VERTICAL
  12637.       },
  12638.       close: true
  12639.     }, {
  12640.       element: options.scrollHorizontalButton,
  12641.       eventName: "switchscrollmode",
  12642.       eventDetails: {
  12643.         mode: _ui_utils.ScrollMode.HORIZONTAL
  12644.       },
  12645.       close: true
  12646.     }, {
  12647.       element: options.scrollWrappedButton,
  12648.       eventName: "switchscrollmode",
  12649.       eventDetails: {
  12650.         mode: _ui_utils.ScrollMode.WRAPPED
  12651.       },
  12652.       close: true
  12653.     }, {
  12654.       element: options.spreadNoneButton,
  12655.       eventName: "switchspreadmode",
  12656.       eventDetails: {
  12657.         mode: _ui_utils.SpreadMode.NONE
  12658.       },
  12659.       close: true
  12660.     }, {
  12661.       element: options.spreadOddButton,
  12662.       eventName: "switchspreadmode",
  12663.       eventDetails: {
  12664.         mode: _ui_utils.SpreadMode.ODD
  12665.       },
  12666.       close: true
  12667.     }, {
  12668.       element: options.spreadEvenButton,
  12669.       eventName: "switchspreadmode",
  12670.       eventDetails: {
  12671.         mode: _ui_utils.SpreadMode.EVEN
  12672.       },
  12673.       close: true
  12674.     }, {
  12675.       element: options.documentPropertiesButton,
  12676.       eventName: "documentproperties",
  12677.       close: true
  12678.     }];
  12679.     this.items = {
  12680.       firstPage: options.firstPageButton,
  12681.       lastPage: options.lastPageButton,
  12682.       pageRotateCw: options.pageRotateCwButton,
  12683.       pageRotateCcw: options.pageRotateCcwButton
  12684.     };
  12685.     this.mainContainer = mainContainer;
  12686.     this.eventBus = eventBus;
  12687.     this.opened = false;
  12688.     this.containerHeight = null;
  12689.     this.previousContainerHeight = null;
  12690.     this.reset();
  12691.  
  12692.     this._bindClickListeners();
  12693.  
  12694.     this._bindCursorToolsListener(options);
  12695.  
  12696.     this._bindScrollModeListener(options);
  12697.  
  12698.     this._bindSpreadModeListener(options);
  12699.  
  12700.     this.eventBus._on("resize", this._setMaxHeight.bind(this));
  12701.  
  12702.     this.eventBus._on("baseviewerinit", evt => {
  12703.       if (evt.source instanceof _pdf_single_page_viewer.PDFSinglePageViewer) {
  12704.         this.toolbarButtonContainer.classList.add("hiddenScrollModeButtons", "hiddenSpreadModeButtons");
  12705.       } else {
  12706.         this.toolbarButtonContainer.classList.remove("hiddenScrollModeButtons", "hiddenSpreadModeButtons");
  12707.       }
  12708.     });
  12709.   }
  12710.  
  12711.   get isOpen() {
  12712.     return this.opened;
  12713.   }
  12714.  
  12715.   setPageNumber(pageNumber) {
  12716.     this.pageNumber = pageNumber;
  12717.  
  12718.     this._updateUIState();
  12719.   }
  12720.  
  12721.   setPagesCount(pagesCount) {
  12722.     this.pagesCount = pagesCount;
  12723.  
  12724.     this._updateUIState();
  12725.   }
  12726.  
  12727.   reset() {
  12728.     this.pageNumber = 0;
  12729.     this.pagesCount = 0;
  12730.  
  12731.     this._updateUIState();
  12732.  
  12733.     this.eventBus.dispatch("secondarytoolbarreset", {
  12734.       source: this
  12735.     });
  12736.   }
  12737.  
  12738.   _updateUIState() {
  12739.     this.items.firstPage.disabled = this.pageNumber <= 1;
  12740.     this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
  12741.     this.items.pageRotateCw.disabled = this.pagesCount === 0;
  12742.     this.items.pageRotateCcw.disabled = this.pagesCount === 0;
  12743.   }
  12744.  
  12745.   _bindClickListeners() {
  12746.     this.toggleButton.addEventListener("click", this.toggle.bind(this));
  12747.  
  12748.     for (const {
  12749.       element,
  12750.       eventName,
  12751.       close,
  12752.       eventDetails
  12753.     } of this.buttons) {
  12754.       element.addEventListener("click", evt => {
  12755.         if (eventName !== null) {
  12756.           const details = {
  12757.             source: this
  12758.           };
  12759.  
  12760.           for (const property in eventDetails) {
  12761.             details[property] = eventDetails[property];
  12762.           }
  12763.  
  12764.           this.eventBus.dispatch(eventName, details);
  12765.         }
  12766.  
  12767.         if (close) {
  12768.           this.close();
  12769.         }
  12770.       });
  12771.     }
  12772.   }
  12773.  
  12774.   _bindCursorToolsListener(buttons) {
  12775.     this.eventBus._on("cursortoolchanged", function ({
  12776.       tool
  12777.     }) {
  12778.       buttons.cursorSelectToolButton.classList.toggle("toggled", tool === _pdf_cursor_tools.CursorTool.SELECT);
  12779.       buttons.cursorHandToolButton.classList.toggle("toggled", tool === _pdf_cursor_tools.CursorTool.HAND);
  12780.     });
  12781.   }
  12782.  
  12783.   _bindScrollModeListener(buttons) {
  12784.     function scrollModeChanged({
  12785.       mode
  12786.     }) {
  12787.       buttons.scrollVerticalButton.classList.toggle("toggled", mode === _ui_utils.ScrollMode.VERTICAL);
  12788.       buttons.scrollHorizontalButton.classList.toggle("toggled", mode === _ui_utils.ScrollMode.HORIZONTAL);
  12789.       buttons.scrollWrappedButton.classList.toggle("toggled", mode === _ui_utils.ScrollMode.WRAPPED);
  12790.       const isScrollModeHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL;
  12791.       buttons.spreadNoneButton.disabled = isScrollModeHorizontal;
  12792.       buttons.spreadOddButton.disabled = isScrollModeHorizontal;
  12793.       buttons.spreadEvenButton.disabled = isScrollModeHorizontal;
  12794.     }
  12795.  
  12796.     this.eventBus._on("scrollmodechanged", scrollModeChanged);
  12797.  
  12798.     this.eventBus._on("secondarytoolbarreset", evt => {
  12799.       if (evt.source === this) {
  12800.         scrollModeChanged({
  12801.           mode: _ui_utils.ScrollMode.VERTICAL
  12802.         });
  12803.       }
  12804.     });
  12805.   }
  12806.  
  12807.   _bindSpreadModeListener(buttons) {
  12808.     function spreadModeChanged({
  12809.       mode
  12810.     }) {
  12811.       buttons.spreadNoneButton.classList.toggle("toggled", mode === _ui_utils.SpreadMode.NONE);
  12812.       buttons.spreadOddButton.classList.toggle("toggled", mode === _ui_utils.SpreadMode.ODD);
  12813.       buttons.spreadEvenButton.classList.toggle("toggled", mode === _ui_utils.SpreadMode.EVEN);
  12814.     }
  12815.  
  12816.     this.eventBus._on("spreadmodechanged", spreadModeChanged);
  12817.  
  12818.     this.eventBus._on("secondarytoolbarreset", evt => {
  12819.       if (evt.source === this) {
  12820.         spreadModeChanged({
  12821.           mode: _ui_utils.SpreadMode.NONE
  12822.         });
  12823.       }
  12824.     });
  12825.   }
  12826.  
  12827.   open() {
  12828.     if (this.opened) {
  12829.       return;
  12830.     }
  12831.  
  12832.     this.opened = true;
  12833.  
  12834.     this._setMaxHeight();
  12835.  
  12836.     this.toggleButton.classList.add("toggled");
  12837.     this.toggleButton.setAttribute("aria-expanded", "true");
  12838.     this.toolbar.classList.remove("hidden");
  12839.   }
  12840.  
  12841.   close() {
  12842.     if (!this.opened) {
  12843.       return;
  12844.     }
  12845.  
  12846.     this.opened = false;
  12847.     this.toolbar.classList.add("hidden");
  12848.     this.toggleButton.classList.remove("toggled");
  12849.     this.toggleButton.setAttribute("aria-expanded", "false");
  12850.   }
  12851.  
  12852.   toggle() {
  12853.     if (this.opened) {
  12854.       this.close();
  12855.     } else {
  12856.       this.open();
  12857.     }
  12858.   }
  12859.  
  12860.   _setMaxHeight() {
  12861.     if (!this.opened) {
  12862.       return;
  12863.     }
  12864.  
  12865.     this.containerHeight = this.mainContainer.clientHeight;
  12866.  
  12867.     if (this.containerHeight === this.previousContainerHeight) {
  12868.       return;
  12869.     }
  12870.  
  12871.     this.toolbarButtonContainer.style.maxHeight = `${this.containerHeight - _ui_utils.SCROLLBAR_PADDING}px`;
  12872.     this.previousContainerHeight = this.containerHeight;
  12873.   }
  12874.  
  12875. }
  12876.  
  12877. exports.SecondaryToolbar = SecondaryToolbar;
  12878.  
  12879. /***/ }),
  12880. /* 35 */
  12881. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  12882.  
  12883.  
  12884.  
  12885. Object.defineProperty(exports, "__esModule", ({
  12886.   value: true
  12887. }));
  12888. exports.PDFSinglePageViewer = void 0;
  12889.  
  12890. var _base_viewer = __webpack_require__(28);
  12891.  
  12892. var _pdfjsLib = __webpack_require__(5);
  12893.  
  12894. class PDFSinglePageViewer extends _base_viewer.BaseViewer {
  12895.   constructor(options) {
  12896.     super(options);
  12897.  
  12898.     this.eventBus._on("pagesinit", evt => {
  12899.       this._ensurePageViewVisible();
  12900.     });
  12901.   }
  12902.  
  12903.   get _viewerElement() {
  12904.     return (0, _pdfjsLib.shadow)(this, "_viewerElement", this._shadowViewer);
  12905.   }
  12906.  
  12907.   get _pageWidthScaleFactor() {
  12908.     return 1;
  12909.   }
  12910.  
  12911.   _resetView() {
  12912.     super._resetView();
  12913.  
  12914.     this._previousPageNumber = 1;
  12915.     this._shadowViewer = document.createDocumentFragment();
  12916.     this._updateScrollDown = null;
  12917.   }
  12918.  
  12919.   _ensurePageViewVisible() {
  12920.     const pageView = this._pages[this._currentPageNumber - 1];
  12921.     const previousPageView = this._pages[this._previousPageNumber - 1];
  12922.     const viewerNodes = this.viewer.childNodes;
  12923.  
  12924.     switch (viewerNodes.length) {
  12925.       case 0:
  12926.         this.viewer.appendChild(pageView.div);
  12927.         break;
  12928.  
  12929.       case 1:
  12930.         if (viewerNodes[0] !== previousPageView.div) {
  12931.           throw new Error("_ensurePageViewVisible: Unexpected previously visible page.");
  12932.         }
  12933.  
  12934.         if (pageView === previousPageView) {
  12935.           break;
  12936.         }
  12937.  
  12938.         this._shadowViewer.appendChild(previousPageView.div);
  12939.  
  12940.         this.viewer.appendChild(pageView.div);
  12941.         this.container.scrollTop = 0;
  12942.         break;
  12943.  
  12944.       default:
  12945.         throw new Error("_ensurePageViewVisible: Only one page should be visible at a time.");
  12946.     }
  12947.  
  12948.     this._previousPageNumber = this._currentPageNumber;
  12949.   }
  12950.  
  12951.   _scrollUpdate() {
  12952.     if (this._updateScrollDown) {
  12953.       this._updateScrollDown();
  12954.     }
  12955.  
  12956.     super._scrollUpdate();
  12957.   }
  12958.  
  12959.   _scrollIntoView({
  12960.     pageDiv,
  12961.     pageSpot = null,
  12962.     pageNumber = null
  12963.   }) {
  12964.     if (pageNumber) {
  12965.       this._setCurrentPageNumber(pageNumber);
  12966.     }
  12967.  
  12968.     const scrolledDown = this._currentPageNumber >= this._previousPageNumber;
  12969.  
  12970.     this._ensurePageViewVisible();
  12971.  
  12972.     this.update();
  12973.  
  12974.     super._scrollIntoView({
  12975.       pageDiv,
  12976.       pageSpot,
  12977.       pageNumber
  12978.     });
  12979.  
  12980.     this._updateScrollDown = () => {
  12981.       this.scroll.down = scrolledDown;
  12982.       this._updateScrollDown = null;
  12983.     };
  12984.   }
  12985.  
  12986.   _getVisiblePages() {
  12987.     return this._getCurrentVisiblePage();
  12988.   }
  12989.  
  12990.   _updateHelper(visiblePages) {}
  12991.  
  12992.   get _isScrollModeHorizontal() {
  12993.     return (0, _pdfjsLib.shadow)(this, "_isScrollModeHorizontal", false);
  12994.   }
  12995.  
  12996.   _updateScrollMode() {}
  12997.  
  12998.   _updateSpreadMode() {}
  12999.  
  13000.   _getPageAdvance() {
  13001.     return 1;
  13002.   }
  13003.  
  13004. }
  13005.  
  13006. exports.PDFSinglePageViewer = PDFSinglePageViewer;
  13007.  
  13008. /***/ }),
  13009. /* 36 */
  13010. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  13011.  
  13012.  
  13013.  
  13014. Object.defineProperty(exports, "__esModule", ({
  13015.   value: true
  13016. }));
  13017. exports.Toolbar = void 0;
  13018.  
  13019. var _ui_utils = __webpack_require__(4);
  13020.  
  13021. const PAGE_NUMBER_LOADING_INDICATOR = "visiblePageIsLoading";
  13022. const SCALE_SELECT_CONTAINER_WIDTH = 140;
  13023. const SCALE_SELECT_WIDTH = 162;
  13024.  
  13025. class Toolbar {
  13026.   constructor(options, eventBus, l10n) {
  13027.     this.toolbar = options.container;
  13028.     this.eventBus = eventBus;
  13029.     this.l10n = l10n;
  13030.     this.buttons = [{
  13031.       element: options.previous,
  13032.       eventName: "previouspage"
  13033.     }, {
  13034.       element: options.next,
  13035.       eventName: "nextpage"
  13036.     }, {
  13037.       element: options.zoomIn,
  13038.       eventName: "zoomin"
  13039.     }, {
  13040.       element: options.zoomOut,
  13041.       eventName: "zoomout"
  13042.     }, {
  13043.       element: options.openFile,
  13044.       eventName: "openfile"
  13045.     }, {
  13046.       element: options.print,
  13047.       eventName: "print"
  13048.     }, {
  13049.       element: options.presentationModeButton,
  13050.       eventName: "presentationmode"
  13051.     }, {
  13052.       element: options.download,
  13053.       eventName: "download"
  13054.     }, {
  13055.       element: options.viewBookmark,
  13056.       eventName: null
  13057.     }];
  13058.     this.items = {
  13059.       numPages: options.numPages,
  13060.       pageNumber: options.pageNumber,
  13061.       scaleSelectContainer: options.scaleSelectContainer,
  13062.       scaleSelect: options.scaleSelect,
  13063.       customScaleOption: options.customScaleOption,
  13064.       previous: options.previous,
  13065.       next: options.next,
  13066.       zoomIn: options.zoomIn,
  13067.       zoomOut: options.zoomOut
  13068.     };
  13069.     this._wasLocalized = false;
  13070.     this.reset();
  13071.  
  13072.     this._bindListeners();
  13073.   }
  13074.  
  13075.   setPageNumber(pageNumber, pageLabel) {
  13076.     this.pageNumber = pageNumber;
  13077.     this.pageLabel = pageLabel;
  13078.  
  13079.     this._updateUIState(false);
  13080.   }
  13081.  
  13082.   setPagesCount(pagesCount, hasPageLabels) {
  13083.     this.pagesCount = pagesCount;
  13084.     this.hasPageLabels = hasPageLabels;
  13085.  
  13086.     this._updateUIState(true);
  13087.   }
  13088.  
  13089.   setPageScale(pageScaleValue, pageScale) {
  13090.     this.pageScaleValue = (pageScaleValue || pageScale).toString();
  13091.     this.pageScale = pageScale;
  13092.  
  13093.     this._updateUIState(false);
  13094.   }
  13095.  
  13096.   reset() {
  13097.     this.pageNumber = 0;
  13098.     this.pageLabel = null;
  13099.     this.hasPageLabels = false;
  13100.     this.pagesCount = 0;
  13101.     this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
  13102.     this.pageScale = _ui_utils.DEFAULT_SCALE;
  13103.  
  13104.     this._updateUIState(true);
  13105.  
  13106.     this.updateLoadingIndicatorState();
  13107.   }
  13108.  
  13109.   _bindListeners() {
  13110.     const {
  13111.       pageNumber,
  13112.       scaleSelect
  13113.     } = this.items;
  13114.     const self = this;
  13115.  
  13116.     for (const {
  13117.       element,
  13118.       eventName
  13119.     } of this.buttons) {
  13120.       element.addEventListener("click", evt => {
  13121.         if (eventName !== null) {
  13122.           this.eventBus.dispatch(eventName, {
  13123.             source: this
  13124.           });
  13125.         }
  13126.       });
  13127.     }
  13128.  
  13129.     pageNumber.addEventListener("click", function () {
  13130.       this.select();
  13131.     });
  13132.     pageNumber.addEventListener("change", function () {
  13133.       self.eventBus.dispatch("pagenumberchanged", {
  13134.         source: self,
  13135.         value: this.value
  13136.       });
  13137.     });
  13138.     scaleSelect.addEventListener("change", function () {
  13139.       if (this.value === "custom") {
  13140.         return;
  13141.       }
  13142.  
  13143.       self.eventBus.dispatch("scalechanged", {
  13144.         source: self,
  13145.         value: this.value
  13146.       });
  13147.     });
  13148.     scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
  13149.  
  13150.     this.eventBus._on("localized", () => {
  13151.       this._wasLocalized = true;
  13152.  
  13153.       this._adjustScaleWidth();
  13154.  
  13155.       this._updateUIState(true);
  13156.     });
  13157.   }
  13158.  
  13159.   _updateUIState(resetNumPages = false) {
  13160.     if (!this._wasLocalized) {
  13161.       return;
  13162.     }
  13163.  
  13164.     const {
  13165.       pageNumber,
  13166.       pagesCount,
  13167.       pageScaleValue,
  13168.       pageScale,
  13169.       items
  13170.     } = this;
  13171.  
  13172.     if (resetNumPages) {
  13173.       if (this.hasPageLabels) {
  13174.         items.pageNumber.type = "text";
  13175.       } else {
  13176.         items.pageNumber.type = "number";
  13177.         this.l10n.get("of_pages", {
  13178.           pagesCount
  13179.         }).then(msg => {
  13180.           items.numPages.textContent = msg;
  13181.         });
  13182.       }
  13183.  
  13184.       items.pageNumber.max = pagesCount;
  13185.     }
  13186.  
  13187.     if (this.hasPageLabels) {
  13188.       items.pageNumber.value = this.pageLabel;
  13189.       this.l10n.get("page_of_pages", {
  13190.         pageNumber,
  13191.         pagesCount
  13192.       }).then(msg => {
  13193.         items.numPages.textContent = msg;
  13194.       });
  13195.     } else {
  13196.       items.pageNumber.value = pageNumber;
  13197.     }
  13198.  
  13199.     items.previous.disabled = pageNumber <= 1;
  13200.     items.next.disabled = pageNumber >= pagesCount;
  13201.     items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE;
  13202.     items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
  13203.     this.l10n.get("page_scale_percent", {
  13204.       scale: Math.round(pageScale * 10000) / 100
  13205.     }).then(msg => {
  13206.       let predefinedValueFound = false;
  13207.  
  13208.       for (const option of items.scaleSelect.options) {
  13209.         if (option.value !== pageScaleValue) {
  13210.           option.selected = false;
  13211.           continue;
  13212.         }
  13213.  
  13214.         option.selected = true;
  13215.         predefinedValueFound = true;
  13216.       }
  13217.  
  13218.       if (!predefinedValueFound) {
  13219.         items.customScaleOption.textContent = msg;
  13220.         items.customScaleOption.selected = true;
  13221.       }
  13222.     });
  13223.   }
  13224.  
  13225.   updateLoadingIndicatorState(loading = false) {
  13226.     const pageNumberInput = this.items.pageNumber;
  13227.     pageNumberInput.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
  13228.   }
  13229.  
  13230.   async _adjustScaleWidth() {
  13231.     const {
  13232.       items,
  13233.       l10n
  13234.     } = this;
  13235.     const predefinedValuesPromise = Promise.all([l10n.get("page_scale_auto"), l10n.get("page_scale_actual"), l10n.get("page_scale_fit"), l10n.get("page_scale_width")]);
  13236.     let canvas = document.createElement("canvas");
  13237.     canvas.mozOpaque = true;
  13238.     let ctx = canvas.getContext("2d", {
  13239.       alpha: false
  13240.     });
  13241.     await _ui_utils.animationStarted;
  13242.     const {
  13243.       fontSize,
  13244.       fontFamily
  13245.     } = getComputedStyle(items.scaleSelect);
  13246.     ctx.font = `${fontSize} ${fontFamily}`;
  13247.     let maxWidth = 0;
  13248.  
  13249.     for (const predefinedValue of await predefinedValuesPromise) {
  13250.       const {
  13251.         width
  13252.       } = ctx.measureText(predefinedValue);
  13253.  
  13254.       if (width > maxWidth) {
  13255.         maxWidth = width;
  13256.       }
  13257.     }
  13258.  
  13259.     const overflow = SCALE_SELECT_WIDTH - SCALE_SELECT_CONTAINER_WIDTH;
  13260.     maxWidth += 2 * overflow;
  13261.  
  13262.     if (maxWidth > SCALE_SELECT_CONTAINER_WIDTH) {
  13263.       items.scaleSelect.style.width = `${maxWidth + overflow}px`;
  13264.       items.scaleSelectContainer.style.width = `${maxWidth}px`;
  13265.     }
  13266.  
  13267.     canvas.width = 0;
  13268.     canvas.height = 0;
  13269.     canvas = ctx = null;
  13270.   }
  13271.  
  13272. }
  13273.  
  13274. exports.Toolbar = Toolbar;
  13275.  
  13276. /***/ }),
  13277. /* 37 */
  13278. /***/ ((__unused_webpack_module, exports) => {
  13279.  
  13280.  
  13281.  
  13282. Object.defineProperty(exports, "__esModule", ({
  13283.   value: true
  13284. }));
  13285. exports.ViewHistory = void 0;
  13286. const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
  13287.  
  13288. class ViewHistory {
  13289.   constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) {
  13290.     this.fingerprint = fingerprint;
  13291.     this.cacheSize = cacheSize;
  13292.     this._initializedPromise = this._readFromStorage().then(databaseStr => {
  13293.       const database = JSON.parse(databaseStr || "{}");
  13294.       let index = -1;
  13295.  
  13296.       if (!Array.isArray(database.files)) {
  13297.         database.files = [];
  13298.       } else {
  13299.         while (database.files.length >= this.cacheSize) {
  13300.           database.files.shift();
  13301.         }
  13302.  
  13303.         for (let i = 0, ii = database.files.length; i < ii; i++) {
  13304.           const branch = database.files[i];
  13305.  
  13306.           if (branch.fingerprint === this.fingerprint) {
  13307.             index = i;
  13308.             break;
  13309.           }
  13310.         }
  13311.       }
  13312.  
  13313.       if (index === -1) {
  13314.         index = database.files.push({
  13315.           fingerprint: this.fingerprint
  13316.         }) - 1;
  13317.       }
  13318.  
  13319.       this.file = database.files[index];
  13320.       this.database = database;
  13321.     });
  13322.   }
  13323.  
  13324.   async _writeToStorage() {
  13325.     const databaseStr = JSON.stringify(this.database);
  13326.     localStorage.setItem("pdfjs.history", databaseStr);
  13327.   }
  13328.  
  13329.   async _readFromStorage() {
  13330.     return localStorage.getItem("pdfjs.history");
  13331.   }
  13332.  
  13333.   async set(name, val) {
  13334.     await this._initializedPromise;
  13335.     this.file[name] = val;
  13336.     return this._writeToStorage();
  13337.   }
  13338.  
  13339.   async setMultiple(properties) {
  13340.     await this._initializedPromise;
  13341.  
  13342.     for (const name in properties) {
  13343.       this.file[name] = properties[name];
  13344.     }
  13345.  
  13346.     return this._writeToStorage();
  13347.   }
  13348.  
  13349.   async get(name, defaultValue) {
  13350.     await this._initializedPromise;
  13351.     const val = this.file[name];
  13352.     return val !== undefined ? val : defaultValue;
  13353.   }
  13354.  
  13355.   async getMultiple(properties) {
  13356.     await this._initializedPromise;
  13357.     const values = Object.create(null);
  13358.  
  13359.     for (const name in properties) {
  13360.       const val = this.file[name];
  13361.       values[name] = val !== undefined ? val : properties[name];
  13362.     }
  13363.  
  13364.     return values;
  13365.   }
  13366.  
  13367. }
  13368.  
  13369. exports.ViewHistory = ViewHistory;
  13370.  
  13371. /***/ }),
  13372. /* 38 */
  13373. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  13374.  
  13375.  
  13376.  
  13377. Object.defineProperty(exports, "__esModule", ({
  13378.   value: true
  13379. }));
  13380. exports.GenericCom = void 0;
  13381.  
  13382. var _app = __webpack_require__(3);
  13383.  
  13384. var _preferences = __webpack_require__(39);
  13385.  
  13386. var _download_manager = __webpack_require__(40);
  13387.  
  13388. var _genericl10n = __webpack_require__(41);
  13389.  
  13390. var _generic_scripting = __webpack_require__(43);
  13391.  
  13392. ;
  13393. const GenericCom = {};
  13394. exports.GenericCom = GenericCom;
  13395.  
  13396. class GenericPreferences extends _preferences.BasePreferences {
  13397.   async _writeToStorage(prefObj) {
  13398.     localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
  13399.   }
  13400.  
  13401.   async _readFromStorage(prefObj) {
  13402.     return JSON.parse(localStorage.getItem("pdfjs.preferences"));
  13403.   }
  13404.  
  13405. }
  13406.  
  13407. class GenericExternalServices extends _app.DefaultExternalServices {
  13408.   static createDownloadManager(options) {
  13409.     return new _download_manager.DownloadManager();
  13410.   }
  13411.  
  13412.   static createPreferences() {
  13413.     return new GenericPreferences();
  13414.   }
  13415.  
  13416.   static createL10n({
  13417.     locale = "en-US"
  13418.   }) {
  13419.     return new _genericl10n.GenericL10n(locale);
  13420.   }
  13421.  
  13422.   static createScripting({
  13423.     sandboxBundleSrc
  13424.   }) {
  13425.     return new _generic_scripting.GenericScripting(sandboxBundleSrc);
  13426.   }
  13427.  
  13428. }
  13429.  
  13430. _app.PDFViewerApplication.externalServices = GenericExternalServices;
  13431.  
  13432. /***/ }),
  13433. /* 39 */
  13434. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  13435.  
  13436.  
  13437.  
  13438. Object.defineProperty(exports, "__esModule", ({
  13439.   value: true
  13440. }));
  13441. exports.BasePreferences = void 0;
  13442.  
  13443. var _app_options = __webpack_require__(1);
  13444.  
  13445. class BasePreferences {
  13446.   constructor() {
  13447.     if (this.constructor === BasePreferences) {
  13448.       throw new Error("Cannot initialize BasePreferences.");
  13449.     }
  13450.  
  13451.     Object.defineProperty(this, "defaults", {
  13452.       value: Object.freeze({
  13453.         "cursorToolOnLoad": 0,
  13454.         "defaultZoomValue": "",
  13455.         "disablePageLabels": false,
  13456.         "enablePermissions": false,
  13457.         "enablePrintAutoRotate": true,
  13458.         "enableScripting": true,
  13459.         "enableWebGL": false,
  13460.         "externalLinkTarget": 0,
  13461.         "historyUpdateUrl": false,
  13462.         "ignoreDestinationZoom": false,
  13463.         "pdfBugEnabled": false,
  13464.         "renderer": "canvas",
  13465.         "renderInteractiveForms": true,
  13466.         "sidebarViewOnLoad": -1,
  13467.         "scrollModeOnLoad": -1,
  13468.         "spreadModeOnLoad": -1,
  13469.         "textLayerMode": 1,
  13470.         "useOnlyCssZoom": false,
  13471.         "viewerCssTheme": 0,
  13472.         "viewOnLoad": 0,
  13473.         "disableAutoFetch": false,
  13474.         "disableFontFace": false,
  13475.         "disableRange": false,
  13476.         "disableStream": false
  13477.       }),
  13478.       writable: false,
  13479.       enumerable: true,
  13480.       configurable: false
  13481.     });
  13482.     this.prefs = Object.create(null);
  13483.     this._initializedPromise = this._readFromStorage(this.defaults).then(prefs => {
  13484.       for (const name in this.defaults) {
  13485.         const prefValue = prefs?.[name];
  13486.  
  13487.         if (typeof prefValue === typeof this.defaults[name]) {
  13488.           this.prefs[name] = prefValue;
  13489.         }
  13490.       }
  13491.     });
  13492.   }
  13493.  
  13494.   async _writeToStorage(prefObj) {
  13495.     throw new Error("Not implemented: _writeToStorage");
  13496.   }
  13497.  
  13498.   async _readFromStorage(prefObj) {
  13499.     throw new Error("Not implemented: _readFromStorage");
  13500.   }
  13501.  
  13502.   async reset() {
  13503.     await this._initializedPromise;
  13504.     this.prefs = Object.create(null);
  13505.     return this._writeToStorage(this.defaults);
  13506.   }
  13507.  
  13508.   async set(name, value) {
  13509.     await this._initializedPromise;
  13510.     const defaultValue = this.defaults[name];
  13511.  
  13512.     if (defaultValue === undefined) {
  13513.       throw new Error(`Set preference: "${name}" is undefined.`);
  13514.     } else if (value === undefined) {
  13515.       throw new Error("Set preference: no value is specified.");
  13516.     }
  13517.  
  13518.     const valueType = typeof value;
  13519.     const defaultType = typeof defaultValue;
  13520.  
  13521.     if (valueType !== defaultType) {
  13522.       if (valueType === "number" && defaultType === "string") {
  13523.         value = value.toString();
  13524.       } else {
  13525.         throw new Error(`Set preference: "${value}" is a ${valueType}, expected a ${defaultType}.`);
  13526.       }
  13527.     } else {
  13528.       if (valueType === "number" && !Number.isInteger(value)) {
  13529.         throw new Error(`Set preference: "${value}" must be an integer.`);
  13530.       }
  13531.     }
  13532.  
  13533.     this.prefs[name] = value;
  13534.     return this._writeToStorage(this.prefs);
  13535.   }
  13536.  
  13537.   async get(name) {
  13538.     await this._initializedPromise;
  13539.     const defaultValue = this.defaults[name],
  13540.           prefValue = this.prefs[name];
  13541.  
  13542.     if (defaultValue === undefined) {
  13543.       throw new Error(`Get preference: "${name}" is undefined.`);
  13544.     }
  13545.  
  13546.     return prefValue !== undefined ? prefValue : defaultValue;
  13547.   }
  13548.  
  13549.   async getAll() {
  13550.     await this._initializedPromise;
  13551.     const obj = Object.create(null);
  13552.  
  13553.     for (const name in this.defaults) {
  13554.       const prefValue = this.prefs[name];
  13555.       obj[name] = prefValue !== undefined ? prefValue : this.defaults[name];
  13556.     }
  13557.  
  13558.     return obj;
  13559.   }
  13560.  
  13561. }
  13562.  
  13563. exports.BasePreferences = BasePreferences;
  13564.  
  13565. /***/ }),
  13566. /* 40 */
  13567. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  13568.  
  13569.  
  13570.  
  13571. Object.defineProperty(exports, "__esModule", ({
  13572.   value: true
  13573. }));
  13574. exports.DownloadManager = void 0;
  13575.  
  13576. var _pdfjsLib = __webpack_require__(5);
  13577.  
  13578. var _viewer_compatibility = __webpack_require__(2);
  13579.  
  13580. ;
  13581.  
  13582. function download(blobUrl, filename) {
  13583.   const a = document.createElement("a");
  13584.  
  13585.   if (!a.click) {
  13586.     throw new Error('DownloadManager: "a.click()" is not supported.');
  13587.   }
  13588.  
  13589.   a.href = blobUrl;
  13590.   a.target = "_parent";
  13591.  
  13592.   if ("download" in a) {
  13593.     a.download = filename;
  13594.   }
  13595.  
  13596.   (document.body || document.documentElement).appendChild(a);
  13597.   a.click();
  13598.   a.remove();
  13599. }
  13600.  
  13601. class DownloadManager {
  13602.   constructor() {
  13603.     this._openBlobUrls = new WeakMap();
  13604.   }
  13605.  
  13606.   downloadUrl(url, filename) {
  13607.     if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")) {
  13608.       return;
  13609.     }
  13610.  
  13611.     download(url + "#pdfjs.action=download", filename);
  13612.   }
  13613.  
  13614.   downloadData(data, filename, contentType) {
  13615.     const blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL);
  13616.     download(blobUrl, filename);
  13617.   }
  13618.  
  13619.   openOrDownloadData(element, data, filename) {
  13620.     const isPdfData = (0, _pdfjsLib.isPdfFile)(filename);
  13621.     const contentType = isPdfData ? "application/pdf" : "";
  13622.  
  13623.     if (isPdfData && !_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
  13624.       let blobUrl = this._openBlobUrls.get(element);
  13625.  
  13626.       if (!blobUrl) {
  13627.         blobUrl = URL.createObjectURL(new Blob([data], {
  13628.           type: contentType
  13629.         }));
  13630.  
  13631.         this._openBlobUrls.set(element, blobUrl);
  13632.       }
  13633.  
  13634.       let viewerUrl;
  13635.       viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
  13636.  
  13637.       try {
  13638.         window.open(viewerUrl);
  13639.         return true;
  13640.       } catch (ex) {
  13641.         console.error(`openOrDownloadData: ${ex}`);
  13642.         URL.revokeObjectURL(blobUrl);
  13643.  
  13644.         this._openBlobUrls.delete(element);
  13645.       }
  13646.     }
  13647.  
  13648.     this.downloadData(data, filename, contentType);
  13649.     return false;
  13650.   }
  13651.  
  13652.   download(blob, url, filename, sourceEventType = "download") {
  13653.     if (_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
  13654.       this.downloadUrl(url, filename);
  13655.       return;
  13656.     }
  13657.  
  13658.     const blobUrl = URL.createObjectURL(blob);
  13659.     download(blobUrl, filename);
  13660.   }
  13661.  
  13662. }
  13663.  
  13664. exports.DownloadManager = DownloadManager;
  13665.  
  13666. /***/ }),
  13667. /* 41 */
  13668. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  13669.  
  13670.  
  13671.  
  13672. Object.defineProperty(exports, "__esModule", ({
  13673.   value: true
  13674. }));
  13675. exports.GenericL10n = void 0;
  13676.  
  13677. __webpack_require__(42);
  13678.  
  13679. var _l10n_utils = __webpack_require__(30);
  13680.  
  13681. const webL10n = document.webL10n;
  13682.  
  13683. class GenericL10n {
  13684.   constructor(lang) {
  13685.     this._lang = lang;
  13686.     this._ready = new Promise((resolve, reject) => {
  13687.       webL10n.setLanguage(lang, () => {
  13688.         resolve(webL10n);
  13689.       });
  13690.     });
  13691.   }
  13692.  
  13693.   async getLanguage() {
  13694.     const l10n = await this._ready;
  13695.     return l10n.getLanguage();
  13696.   }
  13697.  
  13698.   async getDirection() {
  13699.     const l10n = await this._ready;
  13700.     return l10n.getDirection();
  13701.   }
  13702.  
  13703.   async get(key, args = null, fallback = (0, _l10n_utils.getL10nFallback)(key, args)) {
  13704.     const l10n = await this._ready;
  13705.     return l10n.get(key, args, fallback);
  13706.   }
  13707.  
  13708.   async translate(element) {
  13709.     const l10n = await this._ready;
  13710.     return l10n.translate(element);
  13711.   }
  13712.  
  13713. }
  13714.  
  13715. exports.GenericL10n = GenericL10n;
  13716.  
  13717. /***/ }),
  13718. /* 42 */
  13719. /***/ (() => {
  13720.  
  13721.  
  13722.  
  13723. document.webL10n = function (window, document, undefined) {
  13724.   var gL10nData = {};
  13725.   var gTextData = '';
  13726.   var gTextProp = 'textContent';
  13727.   var gLanguage = '';
  13728.   var gMacros = {};
  13729.   var gReadyState = 'loading';
  13730.   var gAsyncResourceLoading = true;
  13731.  
  13732.   function getL10nResourceLinks() {
  13733.     return document.querySelectorAll('link[type="application/l10n"]');
  13734.   }
  13735.  
  13736.   function getL10nDictionary() {
  13737.     var script = document.querySelector('script[type="application/l10n"]');
  13738.     return script ? JSON.parse(script.innerHTML) : null;
  13739.   }
  13740.  
  13741.   function getTranslatableChildren(element) {
  13742.     return element ? element.querySelectorAll('*[data-l10n-id]') : [];
  13743.   }
  13744.  
  13745.   function getL10nAttributes(element) {
  13746.     if (!element) return {};
  13747.     var l10nId = element.getAttribute('data-l10n-id');
  13748.     var l10nArgs = element.getAttribute('data-l10n-args');
  13749.     var args = {};
  13750.  
  13751.     if (l10nArgs) {
  13752.       try {
  13753.         args = JSON.parse(l10nArgs);
  13754.       } catch (e) {
  13755.         console.warn('could not parse arguments for #' + l10nId);
  13756.       }
  13757.     }
  13758.  
  13759.     return {
  13760.       id: l10nId,
  13761.       args: args
  13762.     };
  13763.   }
  13764.  
  13765.   function xhrLoadText(url, onSuccess, onFailure) {
  13766.     onSuccess = onSuccess || function _onSuccess(data) {};
  13767.  
  13768.     onFailure = onFailure || function _onFailure() {};
  13769.  
  13770.     var xhr = new XMLHttpRequest();
  13771.     xhr.open('GET', url, gAsyncResourceLoading);
  13772.  
  13773.     if (xhr.overrideMimeType) {
  13774.       xhr.overrideMimeType('text/plain; charset=utf-8');
  13775.     }
  13776.  
  13777.     xhr.onreadystatechange = function () {
  13778.       if (xhr.readyState == 4) {
  13779.         if (xhr.status == 200 || xhr.status === 0) {
  13780.           onSuccess(xhr.responseText);
  13781.         } else {
  13782.           onFailure();
  13783.         }
  13784.       }
  13785.     };
  13786.  
  13787.     xhr.onerror = onFailure;
  13788.     xhr.ontimeout = onFailure;
  13789.  
  13790.     try {
  13791.       xhr.send(null);
  13792.     } catch (e) {
  13793.       onFailure();
  13794.     }
  13795.   }
  13796.  
  13797.   function parseResource(href, lang, successCallback, failureCallback) {
  13798.     var baseURL = href.replace(/[^\/]*$/, '') || './';
  13799.  
  13800.     function evalString(text) {
  13801.       if (text.lastIndexOf('\\') < 0) return text;
  13802.       return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
  13803.     }
  13804.  
  13805.     function parseProperties(text, parsedPropertiesCallback) {
  13806.       var dictionary = {};
  13807.       var reBlank = /^\s*|\s*$/;
  13808.       var reComment = /^\s*#|^\s*$/;
  13809.       var reSection = /^\s*\[(.*)\]\s*$/;
  13810.       var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
  13811.       var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
  13812.  
  13813.       function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
  13814.         var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
  13815.         var currentLang = '*';
  13816.         var genericLang = lang.split('-', 1)[0];
  13817.         var skipLang = false;
  13818.         var match = '';
  13819.  
  13820.         function nextEntry() {
  13821.           while (true) {
  13822.             if (!entries.length) {
  13823.               parsedRawLinesCallback();
  13824.               return;
  13825.             }
  13826.  
  13827.             var line = entries.shift();
  13828.             if (reComment.test(line)) continue;
  13829.  
  13830.             if (extendedSyntax) {
  13831.               match = reSection.exec(line);
  13832.  
  13833.               if (match) {
  13834.                 currentLang = match[1].toLowerCase();
  13835.                 skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
  13836.                 continue;
  13837.               } else if (skipLang) {
  13838.                 continue;
  13839.               }
  13840.  
  13841.               match = reImport.exec(line);
  13842.  
  13843.               if (match) {
  13844.                 loadImport(baseURL + match[1], nextEntry);
  13845.                 return;
  13846.               }
  13847.             }
  13848.  
  13849.             var tmp = line.match(reSplit);
  13850.  
  13851.             if (tmp && tmp.length == 3) {
  13852.               dictionary[tmp[1]] = evalString(tmp[2]);
  13853.             }
  13854.           }
  13855.         }
  13856.  
  13857.         nextEntry();
  13858.       }
  13859.  
  13860.       function loadImport(url, callback) {
  13861.         xhrLoadText(url, function (content) {
  13862.           parseRawLines(content, false, callback);
  13863.         }, function () {
  13864.           console.warn(url + ' not found.');
  13865.           callback();
  13866.         });
  13867.       }
  13868.  
  13869.       parseRawLines(text, true, function () {
  13870.         parsedPropertiesCallback(dictionary);
  13871.       });
  13872.     }
  13873.  
  13874.     xhrLoadText(href, function (response) {
  13875.       gTextData += response;
  13876.       parseProperties(response, function (data) {
  13877.         for (var key in data) {
  13878.           var id,
  13879.               prop,
  13880.               index = key.lastIndexOf('.');
  13881.  
  13882.           if (index > 0) {
  13883.             id = key.substring(0, index);
  13884.             prop = key.substring(index + 1);
  13885.           } else {
  13886.             id = key;
  13887.             prop = gTextProp;
  13888.           }
  13889.  
  13890.           if (!gL10nData[id]) {
  13891.             gL10nData[id] = {};
  13892.           }
  13893.  
  13894.           gL10nData[id][prop] = data[key];
  13895.         }
  13896.  
  13897.         if (successCallback) {
  13898.           successCallback();
  13899.         }
  13900.       });
  13901.     }, failureCallback);
  13902.   }
  13903.  
  13904.   function loadLocale(lang, callback) {
  13905.     if (lang) {
  13906.       lang = lang.toLowerCase();
  13907.     }
  13908.  
  13909.     callback = callback || function _callback() {};
  13910.  
  13911.     clear();
  13912.     gLanguage = lang;
  13913.     var langLinks = getL10nResourceLinks();
  13914.     var langCount = langLinks.length;
  13915.  
  13916.     if (langCount === 0) {
  13917.       var dict = getL10nDictionary();
  13918.  
  13919.       if (dict && dict.locales && dict.default_locale) {
  13920.         console.log('using the embedded JSON directory, early way out');
  13921.         gL10nData = dict.locales[lang];
  13922.  
  13923.         if (!gL10nData) {
  13924.           var defaultLocale = dict.default_locale.toLowerCase();
  13925.  
  13926.           for (var anyCaseLang in dict.locales) {
  13927.             anyCaseLang = anyCaseLang.toLowerCase();
  13928.  
  13929.             if (anyCaseLang === lang) {
  13930.               gL10nData = dict.locales[lang];
  13931.               break;
  13932.             } else if (anyCaseLang === defaultLocale) {
  13933.               gL10nData = dict.locales[defaultLocale];
  13934.             }
  13935.           }
  13936.         }
  13937.  
  13938.         callback();
  13939.       } else {
  13940.         console.log('no resource to load, early way out');
  13941.       }
  13942.  
  13943.       gReadyState = 'complete';
  13944.       return;
  13945.     }
  13946.  
  13947.     var onResourceLoaded = null;
  13948.     var gResourceCount = 0;
  13949.  
  13950.     onResourceLoaded = function () {
  13951.       gResourceCount++;
  13952.  
  13953.       if (gResourceCount >= langCount) {
  13954.         callback();
  13955.         gReadyState = 'complete';
  13956.       }
  13957.     };
  13958.  
  13959.     function L10nResourceLink(link) {
  13960.       var href = link.href;
  13961.  
  13962.       this.load = function (lang, callback) {
  13963.         parseResource(href, lang, callback, function () {
  13964.           console.warn(href + ' not found.');
  13965.           console.warn('"' + lang + '" resource not found');
  13966.           gLanguage = '';
  13967.           callback();
  13968.         });
  13969.       };
  13970.     }
  13971.  
  13972.     for (var i = 0; i < langCount; i++) {
  13973.       var resource = new L10nResourceLink(langLinks[i]);
  13974.       resource.load(lang, onResourceLoaded);
  13975.     }
  13976.   }
  13977.  
  13978.   function clear() {
  13979.     gL10nData = {};
  13980.     gTextData = '';
  13981.     gLanguage = '';
  13982.   }
  13983.  
  13984.   function getPluralRules(lang) {
  13985.     var locales2rules = {
  13986.       'af': 3,
  13987.       'ak': 4,
  13988.       'am': 4,
  13989.       'ar': 1,
  13990.       'asa': 3,
  13991.       'az': 0,
  13992.       'be': 11,
  13993.       'bem': 3,
  13994.       'bez': 3,
  13995.       'bg': 3,
  13996.       'bh': 4,
  13997.       'bm': 0,
  13998.       'bn': 3,
  13999.       'bo': 0,
  14000.       'br': 20,
  14001.       'brx': 3,
  14002.       'bs': 11,
  14003.       'ca': 3,
  14004.       'cgg': 3,
  14005.       'chr': 3,
  14006.       'cs': 12,
  14007.       'cy': 17,
  14008.       'da': 3,
  14009.       'de': 3,
  14010.       'dv': 3,
  14011.       'dz': 0,
  14012.       'ee': 3,
  14013.       'el': 3,
  14014.       'en': 3,
  14015.       'eo': 3,
  14016.       'es': 3,
  14017.       'et': 3,
  14018.       'eu': 3,
  14019.       'fa': 0,
  14020.       'ff': 5,
  14021.       'fi': 3,
  14022.       'fil': 4,
  14023.       'fo': 3,
  14024.       'fr': 5,
  14025.       'fur': 3,
  14026.       'fy': 3,
  14027.       'ga': 8,
  14028.       'gd': 24,
  14029.       'gl': 3,
  14030.       'gsw': 3,
  14031.       'gu': 3,
  14032.       'guw': 4,
  14033.       'gv': 23,
  14034.       'ha': 3,
  14035.       'haw': 3,
  14036.       'he': 2,
  14037.       'hi': 4,
  14038.       'hr': 11,
  14039.       'hu': 0,
  14040.       'id': 0,
  14041.       'ig': 0,
  14042.       'ii': 0,
  14043.       'is': 3,
  14044.       'it': 3,
  14045.       'iu': 7,
  14046.       'ja': 0,
  14047.       'jmc': 3,
  14048.       'jv': 0,
  14049.       'ka': 0,
  14050.       'kab': 5,
  14051.       'kaj': 3,
  14052.       'kcg': 3,
  14053.       'kde': 0,
  14054.       'kea': 0,
  14055.       'kk': 3,
  14056.       'kl': 3,
  14057.       'km': 0,
  14058.       'kn': 0,
  14059.       'ko': 0,
  14060.       'ksb': 3,
  14061.       'ksh': 21,
  14062.       'ku': 3,
  14063.       'kw': 7,
  14064.       'lag': 18,
  14065.       'lb': 3,
  14066.       'lg': 3,
  14067.       'ln': 4,
  14068.       'lo': 0,
  14069.       'lt': 10,
  14070.       'lv': 6,
  14071.       'mas': 3,
  14072.       'mg': 4,
  14073.       'mk': 16,
  14074.       'ml': 3,
  14075.       'mn': 3,
  14076.       'mo': 9,
  14077.       'mr': 3,
  14078.       'ms': 0,
  14079.       'mt': 15,
  14080.       'my': 0,
  14081.       'nah': 3,
  14082.       'naq': 7,
  14083.       'nb': 3,
  14084.       'nd': 3,
  14085.       'ne': 3,
  14086.       'nl': 3,
  14087.       'nn': 3,
  14088.       'no': 3,
  14089.       'nr': 3,
  14090.       'nso': 4,
  14091.       'ny': 3,
  14092.       'nyn': 3,
  14093.       'om': 3,
  14094.       'or': 3,
  14095.       'pa': 3,
  14096.       'pap': 3,
  14097.       'pl': 13,
  14098.       'ps': 3,
  14099.       'pt': 3,
  14100.       'rm': 3,
  14101.       'ro': 9,
  14102.       'rof': 3,
  14103.       'ru': 11,
  14104.       'rwk': 3,
  14105.       'sah': 0,
  14106.       'saq': 3,
  14107.       'se': 7,
  14108.       'seh': 3,
  14109.       'ses': 0,
  14110.       'sg': 0,
  14111.       'sh': 11,
  14112.       'shi': 19,
  14113.       'sk': 12,
  14114.       'sl': 14,
  14115.       'sma': 7,
  14116.       'smi': 7,
  14117.       'smj': 7,
  14118.       'smn': 7,
  14119.       'sms': 7,
  14120.       'sn': 3,
  14121.       'so': 3,
  14122.       'sq': 3,
  14123.       'sr': 11,
  14124.       'ss': 3,
  14125.       'ssy': 3,
  14126.       'st': 3,
  14127.       'sv': 3,
  14128.       'sw': 3,
  14129.       'syr': 3,
  14130.       'ta': 3,
  14131.       'te': 3,
  14132.       'teo': 3,
  14133.       'th': 0,
  14134.       'ti': 4,
  14135.       'tig': 3,
  14136.       'tk': 3,
  14137.       'tl': 4,
  14138.       'tn': 3,
  14139.       'to': 0,
  14140.       'tr': 0,
  14141.       'ts': 3,
  14142.       'tzm': 22,
  14143.       'uk': 11,
  14144.       'ur': 3,
  14145.       've': 3,
  14146.       'vi': 0,
  14147.       'vun': 3,
  14148.       'wa': 4,
  14149.       'wae': 3,
  14150.       'wo': 0,
  14151.       'xh': 3,
  14152.       'xog': 3,
  14153.       'yo': 0,
  14154.       'zh': 0,
  14155.       'zu': 3
  14156.     };
  14157.  
  14158.     function isIn(n, list) {
  14159.       return list.indexOf(n) !== -1;
  14160.     }
  14161.  
  14162.     function isBetween(n, start, end) {
  14163.       return start <= n && n <= end;
  14164.     }
  14165.  
  14166.     var pluralRules = {
  14167.       '0': function (n) {
  14168.         return 'other';
  14169.       },
  14170.       '1': function (n) {
  14171.         if (isBetween(n % 100, 3, 10)) return 'few';
  14172.         if (n === 0) return 'zero';
  14173.         if (isBetween(n % 100, 11, 99)) return 'many';
  14174.         if (n == 2) return 'two';
  14175.         if (n == 1) return 'one';
  14176.         return 'other';
  14177.       },
  14178.       '2': function (n) {
  14179.         if (n !== 0 && n % 10 === 0) return 'many';
  14180.         if (n == 2) return 'two';
  14181.         if (n == 1) return 'one';
  14182.         return 'other';
  14183.       },
  14184.       '3': function (n) {
  14185.         if (n == 1) return 'one';
  14186.         return 'other';
  14187.       },
  14188.       '4': function (n) {
  14189.         if (isBetween(n, 0, 1)) return 'one';
  14190.         return 'other';
  14191.       },
  14192.       '5': function (n) {
  14193.         if (isBetween(n, 0, 2) && n != 2) return 'one';
  14194.         return 'other';
  14195.       },
  14196.       '6': function (n) {
  14197.         if (n === 0) return 'zero';
  14198.         if (n % 10 == 1 && n % 100 != 11) return 'one';
  14199.         return 'other';
  14200.       },
  14201.       '7': function (n) {
  14202.         if (n == 2) return 'two';
  14203.         if (n == 1) return 'one';
  14204.         return 'other';
  14205.       },
  14206.       '8': function (n) {
  14207.         if (isBetween(n, 3, 6)) return 'few';
  14208.         if (isBetween(n, 7, 10)) return 'many';
  14209.         if (n == 2) return 'two';
  14210.         if (n == 1) return 'one';
  14211.         return 'other';
  14212.       },
  14213.       '9': function (n) {
  14214.         if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
  14215.         if (n == 1) return 'one';
  14216.         return 'other';
  14217.       },
  14218.       '10': function (n) {
  14219.         if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
  14220.         if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
  14221.         return 'other';
  14222.       },
  14223.       '11': function (n) {
  14224.         if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
  14225.         if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
  14226.         if (n % 10 == 1 && n % 100 != 11) return 'one';
  14227.         return 'other';
  14228.       },
  14229.       '12': function (n) {
  14230.         if (isBetween(n, 2, 4)) return 'few';
  14231.         if (n == 1) return 'one';
  14232.         return 'other';
  14233.       },
  14234.       '13': function (n) {
  14235.         if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
  14236.         if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
  14237.         if (n == 1) return 'one';
  14238.         return 'other';
  14239.       },
  14240.       '14': function (n) {
  14241.         if (isBetween(n % 100, 3, 4)) return 'few';
  14242.         if (n % 100 == 2) return 'two';
  14243.         if (n % 100 == 1) return 'one';
  14244.         return 'other';
  14245.       },
  14246.       '15': function (n) {
  14247.         if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
  14248.         if (isBetween(n % 100, 11, 19)) return 'many';
  14249.         if (n == 1) return 'one';
  14250.         return 'other';
  14251.       },
  14252.       '16': function (n) {
  14253.         if (n % 10 == 1 && n != 11) return 'one';
  14254.         return 'other';
  14255.       },
  14256.       '17': function (n) {
  14257.         if (n == 3) return 'few';
  14258.         if (n === 0) return 'zero';
  14259.         if (n == 6) return 'many';
  14260.         if (n == 2) return 'two';
  14261.         if (n == 1) return 'one';
  14262.         return 'other';
  14263.       },
  14264.       '18': function (n) {
  14265.         if (n === 0) return 'zero';
  14266.         if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
  14267.         return 'other';
  14268.       },
  14269.       '19': function (n) {
  14270.         if (isBetween(n, 2, 10)) return 'few';
  14271.         if (isBetween(n, 0, 1)) return 'one';
  14272.         return 'other';
  14273.       },
  14274.       '20': function (n) {
  14275.         if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
  14276.         if (n % 1000000 === 0 && n !== 0) return 'many';
  14277.         if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
  14278.         if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
  14279.         return 'other';
  14280.       },
  14281.       '21': function (n) {
  14282.         if (n === 0) return 'zero';
  14283.         if (n == 1) return 'one';
  14284.         return 'other';
  14285.       },
  14286.       '22': function (n) {
  14287.         if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
  14288.         return 'other';
  14289.       },
  14290.       '23': function (n) {
  14291.         if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
  14292.         return 'other';
  14293.       },
  14294.       '24': function (n) {
  14295.         if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
  14296.         if (isIn(n, [2, 12])) return 'two';
  14297.         if (isIn(n, [1, 11])) return 'one';
  14298.         return 'other';
  14299.       }
  14300.     };
  14301.     var index = locales2rules[lang.replace(/-.*$/, '')];
  14302.  
  14303.     if (!(index in pluralRules)) {
  14304.       console.warn('plural form unknown for [' + lang + ']');
  14305.       return function () {
  14306.         return 'other';
  14307.       };
  14308.     }
  14309.  
  14310.     return pluralRules[index];
  14311.   }
  14312.  
  14313.   gMacros.plural = function (str, param, key, prop) {
  14314.     var n = parseFloat(param);
  14315.     if (isNaN(n)) return str;
  14316.     if (prop != gTextProp) return str;
  14317.  
  14318.     if (!gMacros._pluralRules) {
  14319.       gMacros._pluralRules = getPluralRules(gLanguage);
  14320.     }
  14321.  
  14322.     var index = '[' + gMacros._pluralRules(n) + ']';
  14323.  
  14324.     if (n === 0 && key + '[zero]' in gL10nData) {
  14325.       str = gL10nData[key + '[zero]'][prop];
  14326.     } else if (n == 1 && key + '[one]' in gL10nData) {
  14327.       str = gL10nData[key + '[one]'][prop];
  14328.     } else if (n == 2 && key + '[two]' in gL10nData) {
  14329.       str = gL10nData[key + '[two]'][prop];
  14330.     } else if (key + index in gL10nData) {
  14331.       str = gL10nData[key + index][prop];
  14332.     } else if (key + '[other]' in gL10nData) {
  14333.       str = gL10nData[key + '[other]'][prop];
  14334.     }
  14335.  
  14336.     return str;
  14337.   };
  14338.  
  14339.   function getL10nData(key, args, fallback) {
  14340.     var data = gL10nData[key];
  14341.  
  14342.     if (!data) {
  14343.       console.warn('#' + key + ' is undefined.');
  14344.  
  14345.       if (!fallback) {
  14346.         return null;
  14347.       }
  14348.  
  14349.       data = fallback;
  14350.     }
  14351.  
  14352.     var rv = {};
  14353.  
  14354.     for (var prop in data) {
  14355.       var str = data[prop];
  14356.       str = substIndexes(str, args, key, prop);
  14357.       str = substArguments(str, args, key);
  14358.       rv[prop] = str;
  14359.     }
  14360.  
  14361.     return rv;
  14362.   }
  14363.  
  14364.   function substIndexes(str, args, key, prop) {
  14365.     var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
  14366.     var reMatch = reIndex.exec(str);
  14367.     if (!reMatch || !reMatch.length) return str;
  14368.     var macroName = reMatch[1];
  14369.     var paramName = reMatch[2];
  14370.     var param;
  14371.  
  14372.     if (args && paramName in args) {
  14373.       param = args[paramName];
  14374.     } else if (paramName in gL10nData) {
  14375.       param = gL10nData[paramName];
  14376.     }
  14377.  
  14378.     if (macroName in gMacros) {
  14379.       var macro = gMacros[macroName];
  14380.       str = macro(str, param, key, prop);
  14381.     }
  14382.  
  14383.     return str;
  14384.   }
  14385.  
  14386.   function substArguments(str, args, key) {
  14387.     var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
  14388.     return str.replace(reArgs, function (matched_text, arg) {
  14389.       if (args && arg in args) {
  14390.         return args[arg];
  14391.       }
  14392.  
  14393.       if (arg in gL10nData) {
  14394.         return gL10nData[arg];
  14395.       }
  14396.  
  14397.       console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
  14398.       return matched_text;
  14399.     });
  14400.   }
  14401.  
  14402.   function translateElement(element) {
  14403.     var l10n = getL10nAttributes(element);
  14404.     if (!l10n.id) return;
  14405.     var data = getL10nData(l10n.id, l10n.args);
  14406.  
  14407.     if (!data) {
  14408.       console.warn('#' + l10n.id + ' is undefined.');
  14409.       return;
  14410.     }
  14411.  
  14412.     if (data[gTextProp]) {
  14413.       if (getChildElementCount(element) === 0) {
  14414.         element[gTextProp] = data[gTextProp];
  14415.       } else {
  14416.         var children = element.childNodes;
  14417.         var found = false;
  14418.  
  14419.         for (var i = 0, l = children.length; i < l; i++) {
  14420.           if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
  14421.             if (found) {
  14422.               children[i].nodeValue = '';
  14423.             } else {
  14424.               children[i].nodeValue = data[gTextProp];
  14425.               found = true;
  14426.             }
  14427.           }
  14428.         }
  14429.  
  14430.         if (!found) {
  14431.           var textNode = document.createTextNode(data[gTextProp]);
  14432.           element.insertBefore(textNode, element.firstChild);
  14433.         }
  14434.       }
  14435.  
  14436.       delete data[gTextProp];
  14437.     }
  14438.  
  14439.     for (var k in data) {
  14440.       element[k] = data[k];
  14441.     }
  14442.   }
  14443.  
  14444.   function getChildElementCount(element) {
  14445.     if (element.children) {
  14446.       return element.children.length;
  14447.     }
  14448.  
  14449.     if (typeof element.childElementCount !== 'undefined') {
  14450.       return element.childElementCount;
  14451.     }
  14452.  
  14453.     var count = 0;
  14454.  
  14455.     for (var i = 0; i < element.childNodes.length; i++) {
  14456.       count += element.nodeType === 1 ? 1 : 0;
  14457.     }
  14458.  
  14459.     return count;
  14460.   }
  14461.  
  14462.   function translateFragment(element) {
  14463.     element = element || document.documentElement;
  14464.     var children = getTranslatableChildren(element);
  14465.     var elementCount = children.length;
  14466.  
  14467.     for (var i = 0; i < elementCount; i++) {
  14468.       translateElement(children[i]);
  14469.     }
  14470.  
  14471.     translateElement(element);
  14472.   }
  14473.  
  14474.   return {
  14475.     get: function (key, args, fallbackString) {
  14476.       var index = key.lastIndexOf('.');
  14477.       var prop = gTextProp;
  14478.  
  14479.       if (index > 0) {
  14480.         prop = key.substring(index + 1);
  14481.         key = key.substring(0, index);
  14482.       }
  14483.  
  14484.       var fallback;
  14485.  
  14486.       if (fallbackString) {
  14487.         fallback = {};
  14488.         fallback[prop] = fallbackString;
  14489.       }
  14490.  
  14491.       var data = getL10nData(key, args, fallback);
  14492.  
  14493.       if (data && prop in data) {
  14494.         return data[prop];
  14495.       }
  14496.  
  14497.       return '{{' + key + '}}';
  14498.     },
  14499.     getData: function () {
  14500.       return gL10nData;
  14501.     },
  14502.     getText: function () {
  14503.       return gTextData;
  14504.     },
  14505.     getLanguage: function () {
  14506.       return gLanguage;
  14507.     },
  14508.     setLanguage: function (lang, callback) {
  14509.       loadLocale(lang, function () {
  14510.         if (callback) callback();
  14511.       });
  14512.     },
  14513.     getDirection: function () {
  14514.       var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
  14515.       var shortCode = gLanguage.split('-', 1)[0];
  14516.       return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
  14517.     },
  14518.     translate: translateFragment,
  14519.     getReadyState: function () {
  14520.       return gReadyState;
  14521.     },
  14522.     ready: function (callback) {
  14523.       if (!callback) {
  14524.         return;
  14525.       } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
  14526.         window.setTimeout(function () {
  14527.           callback();
  14528.         });
  14529.       } else if (document.addEventListener) {
  14530.         document.addEventListener('localized', function once() {
  14531.           document.removeEventListener('localized', once);
  14532.           callback();
  14533.         });
  14534.       }
  14535.     }
  14536.   };
  14537. }(window, document);
  14538.  
  14539. /***/ }),
  14540. /* 43 */
  14541. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  14542.  
  14543.  
  14544.  
  14545. Object.defineProperty(exports, "__esModule", ({
  14546.   value: true
  14547. }));
  14548. exports.docPropertiesLookup = docPropertiesLookup;
  14549. exports.GenericScripting = void 0;
  14550.  
  14551. var _pdfjsLib = __webpack_require__(5);
  14552.  
  14553. async function docPropertiesLookup(pdfDocument) {
  14554.   const url = "",
  14555.         baseUrl = url.split("#")[0];
  14556.   let {
  14557.     info,
  14558.     metadata,
  14559.     contentDispositionFilename,
  14560.     contentLength
  14561.   } = await pdfDocument.getMetadata();
  14562.  
  14563.   if (!contentLength) {
  14564.     const {
  14565.       length
  14566.     } = await pdfDocument.getDownloadInfo();
  14567.     contentLength = length;
  14568.   }
  14569.  
  14570.   return { ...info,
  14571.     baseURL: baseUrl,
  14572.     filesize: contentLength,
  14573.     filename: contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(url),
  14574.     metadata: metadata?.getRaw(),
  14575.     authors: metadata?.get("dc:creator"),
  14576.     numPages: pdfDocument.numPages,
  14577.     URL: url
  14578.   };
  14579. }
  14580.  
  14581. class GenericScripting {
  14582.   constructor(sandboxBundleSrc) {
  14583.     this._ready = (0, _pdfjsLib.loadScript)(sandboxBundleSrc, true).then(() => {
  14584.       return window.pdfjsSandbox.QuickJSSandbox();
  14585.     });
  14586.   }
  14587.  
  14588.   async createSandbox(data) {
  14589.     const sandbox = await this._ready;
  14590.     sandbox.create(data);
  14591.   }
  14592.  
  14593.   async dispatchEventInSandbox(event) {
  14594.     const sandbox = await this._ready;
  14595.     sandbox.dispatchEvent(event);
  14596.   }
  14597.  
  14598.   async destroySandbox() {
  14599.     const sandbox = await this._ready;
  14600.     sandbox.nukeSandbox();
  14601.   }
  14602.  
  14603. }
  14604.  
  14605. exports.GenericScripting = GenericScripting;
  14606.  
  14607. /***/ }),
  14608. /* 44 */
  14609. /***/ ((__unused_webpack_module, exports, __webpack_require__) => {
  14610.  
  14611.  
  14612.  
  14613. Object.defineProperty(exports, "__esModule", ({
  14614.   value: true
  14615. }));
  14616. exports.PDFPrintService = PDFPrintService;
  14617.  
  14618. var _app = __webpack_require__(3);
  14619.  
  14620. var _viewer_compatibility = __webpack_require__(2);
  14621.  
  14622. let activeService = null;
  14623. let overlayManager = null;
  14624.  
  14625. function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise) {
  14626.   const scratchCanvas = activeService.scratchCanvas;
  14627.   const PRINT_UNITS = printResolution / 72.0;
  14628.   scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
  14629.   scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
  14630.   const ctx = scratchCanvas.getContext("2d");
  14631.   ctx.save();
  14632.   ctx.fillStyle = "rgb(255, 255, 255)";
  14633.   ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
  14634.   ctx.restore();
  14635.   return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
  14636.     const renderContext = {
  14637.       canvasContext: ctx,
  14638.       transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
  14639.       viewport: pdfPage.getViewport({
  14640.         scale: 1,
  14641.         rotation: size.rotation
  14642.       }),
  14643.       intent: "print",
  14644.       annotationStorage: pdfDocument.annotationStorage,
  14645.       optionalContentConfigPromise
  14646.     };
  14647.     return pdfPage.render(renderContext).promise;
  14648.   });
  14649. }
  14650.  
  14651. function PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise = null, l10n) {
  14652.   this.pdfDocument = pdfDocument;
  14653.   this.pagesOverview = pagesOverview;
  14654.   this.printContainer = printContainer;
  14655.   this._printResolution = printResolution || 150;
  14656.   this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig();
  14657.   this.l10n = l10n;
  14658.   this.currentPage = -1;
  14659.   this.scratchCanvas = document.createElement("canvas");
  14660. }
  14661.  
  14662. PDFPrintService.prototype = {
  14663.   layout() {
  14664.     this.throwIfInactive();
  14665.     const body = document.querySelector("body");
  14666.     body.setAttribute("data-pdfjsprinting", true);
  14667.     const hasEqualPageSizes = this.pagesOverview.every(function (size) {
  14668.       return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
  14669.     }, this);
  14670.  
  14671.     if (!hasEqualPageSizes) {
  14672.       console.warn("Not all pages have the same size. The printed " + "result may be incorrect!");
  14673.     }
  14674.  
  14675.     this.pageStyleSheet = document.createElement("style");
  14676.     const pageSize = this.pagesOverview[0];
  14677.     this.pageStyleSheet.textContent = "@page { size: " + pageSize.width + "pt " + pageSize.height + "pt;}";
  14678.     body.appendChild(this.pageStyleSheet);
  14679.   },
  14680.  
  14681.   destroy() {
  14682.     if (activeService !== this) {
  14683.       return;
  14684.     }
  14685.  
  14686.     this.printContainer.textContent = "";
  14687.     const body = document.querySelector("body");
  14688.     body.removeAttribute("data-pdfjsprinting");
  14689.  
  14690.     if (this.pageStyleSheet) {
  14691.       this.pageStyleSheet.remove();
  14692.       this.pageStyleSheet = null;
  14693.     }
  14694.  
  14695.     this.scratchCanvas.width = this.scratchCanvas.height = 0;
  14696.     this.scratchCanvas = null;
  14697.     activeService = null;
  14698.     ensureOverlay().then(function () {
  14699.       if (overlayManager.active !== "printServiceOverlay") {
  14700.         return;
  14701.       }
  14702.  
  14703.       overlayManager.close("printServiceOverlay");
  14704.     });
  14705.   },
  14706.  
  14707.   renderPages() {
  14708.     const pageCount = this.pagesOverview.length;
  14709.  
  14710.     const renderNextPage = (resolve, reject) => {
  14711.       this.throwIfInactive();
  14712.  
  14713.       if (++this.currentPage >= pageCount) {
  14714.         renderProgress(pageCount, pageCount, this.l10n);
  14715.         resolve();
  14716.         return;
  14717.       }
  14718.  
  14719.       const index = this.currentPage;
  14720.       renderProgress(index, pageCount, this.l10n);
  14721.       renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index], this._printResolution, this._optionalContentConfigPromise).then(this.useRenderedPage.bind(this)).then(function () {
  14722.         renderNextPage(resolve, reject);
  14723.       }, reject);
  14724.     };
  14725.  
  14726.     return new Promise(renderNextPage);
  14727.   },
  14728.  
  14729.   useRenderedPage() {
  14730.     this.throwIfInactive();
  14731.     const img = document.createElement("img");
  14732.     const scratchCanvas = this.scratchCanvas;
  14733.  
  14734.     if ("toBlob" in scratchCanvas && !_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
  14735.       scratchCanvas.toBlob(function (blob) {
  14736.         img.src = URL.createObjectURL(blob);
  14737.       });
  14738.     } else {
  14739.       img.src = scratchCanvas.toDataURL();
  14740.     }
  14741.  
  14742.     const wrapper = document.createElement("div");
  14743.     wrapper.appendChild(img);
  14744.     this.printContainer.appendChild(wrapper);
  14745.     return new Promise(function (resolve, reject) {
  14746.       img.onload = resolve;
  14747.       img.onerror = reject;
  14748.     });
  14749.   },
  14750.  
  14751.   performPrint() {
  14752.     this.throwIfInactive();
  14753.     return new Promise(resolve => {
  14754.       setTimeout(() => {
  14755.         if (!this.active) {
  14756.           resolve();
  14757.           return;
  14758.         }
  14759.  
  14760.         print.call(window);
  14761.         setTimeout(resolve, 20);
  14762.       }, 0);
  14763.     });
  14764.   },
  14765.  
  14766.   get active() {
  14767.     return this === activeService;
  14768.   },
  14769.  
  14770.   throwIfInactive() {
  14771.     if (!this.active) {
  14772.       throw new Error("This print request was cancelled or completed.");
  14773.     }
  14774.   }
  14775.  
  14776. };
  14777. const print = window.print;
  14778.  
  14779. window.print = function () {
  14780.   if (activeService) {
  14781.     console.warn("Ignored window.print() because of a pending print job.");
  14782.     return;
  14783.   }
  14784.  
  14785.   ensureOverlay().then(function () {
  14786.     if (activeService) {
  14787.       overlayManager.open("printServiceOverlay");
  14788.     }
  14789.   });
  14790.  
  14791.   try {
  14792.     dispatchEvent("beforeprint");
  14793.   } finally {
  14794.     if (!activeService) {
  14795.       console.error("Expected print service to be initialized.");
  14796.       ensureOverlay().then(function () {
  14797.         if (overlayManager.active === "printServiceOverlay") {
  14798.           overlayManager.close("printServiceOverlay");
  14799.         }
  14800.       });
  14801.       return;
  14802.     }
  14803.  
  14804.     const activeServiceOnEntry = activeService;
  14805.     activeService.renderPages().then(function () {
  14806.       return activeServiceOnEntry.performPrint();
  14807.     }).catch(function () {}).then(function () {
  14808.       if (activeServiceOnEntry.active) {
  14809.         abort();
  14810.       }
  14811.     });
  14812.   }
  14813. };
  14814.  
  14815. function dispatchEvent(eventType) {
  14816.   const event = document.createEvent("CustomEvent");
  14817.   event.initCustomEvent(eventType, false, false, "custom");
  14818.   window.dispatchEvent(event);
  14819. }
  14820.  
  14821. function abort() {
  14822.   if (activeService) {
  14823.     activeService.destroy();
  14824.     dispatchEvent("afterprint");
  14825.   }
  14826. }
  14827.  
  14828. function renderProgress(index, total, l10n) {
  14829.   const progressContainer = document.getElementById("printServiceOverlay");
  14830.   const progress = Math.round(100 * index / total);
  14831.   const progressBar = progressContainer.querySelector("progress");
  14832.   const progressPerc = progressContainer.querySelector(".relative-progress");
  14833.   progressBar.value = progress;
  14834.   l10n.get("print_progress_percent", {
  14835.     progress
  14836.   }).then(msg => {
  14837.     progressPerc.textContent = msg;
  14838.   });
  14839. }
  14840.  
  14841. window.addEventListener("keydown", function (event) {
  14842.   if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
  14843.     window.print();
  14844.     event.preventDefault();
  14845.  
  14846.     if (event.stopImmediatePropagation) {
  14847.       event.stopImmediatePropagation();
  14848.     } else {
  14849.       event.stopPropagation();
  14850.     }
  14851.   }
  14852. }, true);
  14853.  
  14854. if ("onbeforeprint" in window) {
  14855.   const stopPropagationIfNeeded = function (event) {
  14856.     if (event.detail !== "custom" && event.stopImmediatePropagation) {
  14857.       event.stopImmediatePropagation();
  14858.     }
  14859.   };
  14860.  
  14861.   window.addEventListener("beforeprint", stopPropagationIfNeeded);
  14862.   window.addEventListener("afterprint", stopPropagationIfNeeded);
  14863. }
  14864.  
  14865. let overlayPromise;
  14866.  
  14867. function ensureOverlay() {
  14868.   if (!overlayPromise) {
  14869.     overlayManager = _app.PDFViewerApplication.overlayManager;
  14870.  
  14871.     if (!overlayManager) {
  14872.       throw new Error("The overlay manager has not yet been initialized.");
  14873.     }
  14874.  
  14875.     overlayPromise = overlayManager.register("printServiceOverlay", document.getElementById("printServiceOverlay"), abort, true);
  14876.     document.getElementById("printCancel").onclick = abort;
  14877.   }
  14878.  
  14879.   return overlayPromise;
  14880. }
  14881.  
  14882. _app.PDFPrintServiceFactory.instance = {
  14883.   supportsPrinting: true,
  14884.  
  14885.   createPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, l10n) {
  14886.     if (activeService) {
  14887.       throw new Error("The print service is created and active.");
  14888.     }
  14889.  
  14890.     activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, l10n);
  14891.     return activeService;
  14892.   }
  14893.  
  14894. };
  14895.  
  14896. /***/ })
  14897. /******/    ]);
  14898. /************************************************************************/
  14899. /******/    // The module cache
  14900. /******/    var __webpack_module_cache__ = {};
  14901. /******/    
  14902. /******/    // The require function
  14903. /******/    function __webpack_require__(moduleId) {
  14904. /******/        // Check if module is in cache
  14905. /******/        var cachedModule = __webpack_module_cache__[moduleId];
  14906. /******/        if (cachedModule !== undefined) {
  14907. /******/            return cachedModule.exports;
  14908. /******/        }
  14909. /******/        // Create a new module (and put it into the cache)
  14910. /******/        var module = __webpack_module_cache__[moduleId] = {
  14911. /******/            // no module.id needed
  14912. /******/            // no module.loaded needed
  14913. /******/            exports: {}
  14914. /******/        };
  14915. /******/    
  14916. /******/        // Execute the module function
  14917. /******/        __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
  14918. /******/    
  14919. /******/        // Return the exports of the module
  14920. /******/        return module.exports;
  14921. /******/    }
  14922. /******/    
  14923. /************************************************************************/
  14924. var __webpack_exports__ = {};
  14925. // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
  14926. (() => {
  14927. var exports = __webpack_exports__;
  14928.  
  14929.  
  14930. Object.defineProperty(exports, "__esModule", ({
  14931.   value: true
  14932. }));
  14933. Object.defineProperty(exports, "PDFViewerApplicationOptions", ({
  14934.   enumerable: true,
  14935.   get: function () {
  14936.     return _app_options.AppOptions;
  14937.   }
  14938. }));
  14939. Object.defineProperty(exports, "PDFViewerApplication", ({
  14940.   enumerable: true,
  14941.   get: function () {
  14942.     return _app.PDFViewerApplication;
  14943.   }
  14944. }));
  14945.  
  14946. var _app_options = __webpack_require__(1);
  14947.  
  14948. var _app = __webpack_require__(3);
  14949.  
  14950. const pdfjsVersion = '2.8.335';
  14951. const pdfjsBuild = '228adbf67';
  14952. window.PDFViewerApplication = _app.PDFViewerApplication;
  14953. window.PDFViewerApplicationOptions = _app_options.AppOptions;
  14954. ;
  14955. ;
  14956. {
  14957.   __webpack_require__(38);
  14958. }
  14959. ;
  14960. {
  14961.   __webpack_require__(44);
  14962. }
  14963.  
  14964. function getViewerConfiguration() {
  14965.   let errorWrapper = null;
  14966.   errorWrapper = {
  14967.     container: document.getElementById("errorWrapper"),
  14968.     errorMessage: document.getElementById("errorMessage"),
  14969.     closeButton: document.getElementById("errorClose"),
  14970.     errorMoreInfo: document.getElementById("errorMoreInfo"),
  14971.     moreInfoButton: document.getElementById("errorShowMore"),
  14972.     lessInfoButton: document.getElementById("errorShowLess")
  14973.   };
  14974.   return {
  14975.     appContainer: document.body,
  14976.     mainContainer: document.getElementById("viewerContainer"),
  14977.     viewerContainer: document.getElementById("viewer"),
  14978.     eventBus: null,
  14979.     toolbar: {
  14980.       container: document.getElementById("toolbarViewer"),
  14981.       numPages: document.getElementById("numPages"),
  14982.       pageNumber: document.getElementById("pageNumber"),
  14983.       scaleSelectContainer: document.getElementById("scaleSelectContainer"),
  14984.       scaleSelect: document.getElementById("scaleSelect"),
  14985.       customScaleOption: document.getElementById("customScaleOption"),
  14986.       previous: document.getElementById("previous"),
  14987.       next: document.getElementById("next"),
  14988.       zoomIn: document.getElementById("zoomIn"),
  14989.       zoomOut: document.getElementById("zoomOut"),
  14990.       viewFind: document.getElementById("viewFind"),
  14991.       openFile: document.getElementById("openFile"),
  14992.       print: document.getElementById("print"),
  14993.       presentationModeButton: document.getElementById("presentationMode"),
  14994.       download: document.getElementById("download"),
  14995.       viewBookmark: document.getElementById("viewBookmark")
  14996.     },
  14997.     secondaryToolbar: {
  14998.       toolbar: document.getElementById("secondaryToolbar"),
  14999.       toggleButton: document.getElementById("secondaryToolbarToggle"),
  15000.       toolbarButtonContainer: document.getElementById("secondaryToolbarButtonContainer"),
  15001.       presentationModeButton: document.getElementById("secondaryPresentationMode"),
  15002.       openFileButton: document.getElementById("secondaryOpenFile"),
  15003.       printButton: document.getElementById("secondaryPrint"),
  15004.       downloadButton: document.getElementById("secondaryDownload"),
  15005.       viewBookmarkButton: document.getElementById("secondaryViewBookmark"),
  15006.       firstPageButton: document.getElementById("firstPage"),
  15007.       lastPageButton: document.getElementById("lastPage"),
  15008.       pageRotateCwButton: document.getElementById("pageRotateCw"),
  15009.       pageRotateCcwButton: document.getElementById("pageRotateCcw"),
  15010.       cursorSelectToolButton: document.getElementById("cursorSelectTool"),
  15011.       cursorHandToolButton: document.getElementById("cursorHandTool"),
  15012.       scrollVerticalButton: document.getElementById("scrollVertical"),
  15013.       scrollHorizontalButton: document.getElementById("scrollHorizontal"),
  15014.       scrollWrappedButton: document.getElementById("scrollWrapped"),
  15015.       spreadNoneButton: document.getElementById("spreadNone"),
  15016.       spreadOddButton: document.getElementById("spreadOdd"),
  15017.       spreadEvenButton: document.getElementById("spreadEven"),
  15018.       documentPropertiesButton: document.getElementById("documentProperties")
  15019.     },
  15020.     sidebar: {
  15021.       outerContainer: document.getElementById("outerContainer"),
  15022.       viewerContainer: document.getElementById("viewerContainer"),
  15023.       toggleButton: document.getElementById("sidebarToggle"),
  15024.       thumbnailButton: document.getElementById("viewThumbnail"),
  15025.       outlineButton: document.getElementById("viewOutline"),
  15026.       attachmentsButton: document.getElementById("viewAttachments"),
  15027.       layersButton: document.getElementById("viewLayers"),
  15028.       thumbnailView: document.getElementById("thumbnailView"),
  15029.       outlineView: document.getElementById("outlineView"),
  15030.       attachmentsView: document.getElementById("attachmentsView"),
  15031.       layersView: document.getElementById("layersView"),
  15032.       outlineOptionsContainer: document.getElementById("outlineOptionsContainer"),
  15033.       currentOutlineItemButton: document.getElementById("currentOutlineItem")
  15034.     },
  15035.     sidebarResizer: {
  15036.       outerContainer: document.getElementById("outerContainer"),
  15037.       resizer: document.getElementById("sidebarResizer")
  15038.     },
  15039.     findBar: {
  15040.       bar: document.getElementById("findbar"),
  15041.       toggleButton: document.getElementById("viewFind"),
  15042.       findField: document.getElementById("findInput"),
  15043.       highlightAllCheckbox: document.getElementById("findHighlightAll"),
  15044.       caseSensitiveCheckbox: document.getElementById("findMatchCase"),
  15045.       entireWordCheckbox: document.getElementById("findEntireWord"),
  15046.       findMsg: document.getElementById("findMsg"),
  15047.       findResultsCount: document.getElementById("findResultsCount"),
  15048.       findPreviousButton: document.getElementById("findPrevious"),
  15049.       findNextButton: document.getElementById("findNext")
  15050.     },
  15051.     passwordOverlay: {
  15052.       overlayName: "passwordOverlay",
  15053.       container: document.getElementById("passwordOverlay"),
  15054.       label: document.getElementById("passwordText"),
  15055.       input: document.getElementById("password"),
  15056.       submitButton: document.getElementById("passwordSubmit"),
  15057.       cancelButton: document.getElementById("passwordCancel")
  15058.     },
  15059.     documentProperties: {
  15060.       overlayName: "documentPropertiesOverlay",
  15061.       container: document.getElementById("documentPropertiesOverlay"),
  15062.       closeButton: document.getElementById("documentPropertiesClose"),
  15063.       fields: {
  15064.         fileName: document.getElementById("fileNameField"),
  15065.         fileSize: document.getElementById("fileSizeField"),
  15066.         title: document.getElementById("titleField"),
  15067.         author: document.getElementById("authorField"),
  15068.         subject: document.getElementById("subjectField"),
  15069.         keywords: document.getElementById("keywordsField"),
  15070.         creationDate: document.getElementById("creationDateField"),
  15071.         modificationDate: document.getElementById("modificationDateField"),
  15072.         creator: document.getElementById("creatorField"),
  15073.         producer: document.getElementById("producerField"),
  15074.         version: document.getElementById("versionField"),
  15075.         pageCount: document.getElementById("pageCountField"),
  15076.         pageSize: document.getElementById("pageSizeField"),
  15077.         linearized: document.getElementById("linearizedField")
  15078.       }
  15079.     },
  15080.     errorWrapper,
  15081.     printContainer: document.getElementById("printContainer"),
  15082.     openFileInputName: "fileInput",
  15083.     debuggerScriptPath: "./debugger.js"
  15084.   };
  15085. }
  15086.  
  15087. function webViewerLoad() {
  15088.   const config = getViewerConfiguration();
  15089.   const event = document.createEvent("CustomEvent");
  15090.   event.initCustomEvent("webviewerloaded", true, true, {
  15091.     source: window
  15092.   });
  15093.  
  15094.   try {
  15095.     parent.document.dispatchEvent(event);
  15096.   } catch (ex) {
  15097.     console.error(`webviewerloaded: ${ex}`);
  15098.     document.dispatchEvent(event);
  15099.   }
  15100.  
  15101.   _app.PDFViewerApplication.run(config);
  15102. }
  15103.  
  15104. if (document.blockUnblockOnload) {
  15105.   document.blockUnblockOnload(true);
  15106. }
  15107.  
  15108. if (document.readyState === "interactive" || document.readyState === "complete") {
  15109.   webViewerLoad();
  15110. } else {
  15111.   document.addEventListener("DOMContentLoaded", webViewerLoad, true);
  15112. }
  15113. })();
  15114.  
  15115. /******/ })()
  15116. ;
  15117. //# sourceMappingURL=viewer.js.map
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