t  p  l  {"files":{"browser":{"files":{"api":{"files":{"app.js":{"size":2587,"offset":"0"},"auto-updater":{"files":{"auto-updater-native.js":{"size":229,"offset":"2766"},"auto-updater-win.js":{"size":1746,"offset":"2995"},"squirrel-update-win.js":{"size":3547,"offset":"4741"}}},"auto-updater.js":{"size":179,"offset":"2587"},"browser-view.js":{"size":221,"offset":"8288"},"browser-window.js":{"size":6583,"offset":"8509"},"content-tracing.js":{"size":57,"offset":"15092"},"dialog.js":{"size":8770,"offset":"15149"},"exports":{"files":{"electron.js":{"size":422,"offset":"23919"}}},"global-shortcut.js":{"size":72,"offset":"24341"},"ipc-main.js":{"size":530,"offset":"24413"},"menu-item-roles.js":{"size":6340,"offset":"24943"},"menu-item.js":{"size":2561,"offset":"31283"},"menu.js":{"size":9750,"offset":"33844"},"module-list.js":{"size":1103,"offset":"43594"},"navigation-controller.js":{"size":5578,"offset":"44697"},"net.js":{"size":10151,"offset":"50275"},"power-monitor.js":{"size":223,"offset":"60426"},"power-save-blocker.js":{"size":77,"offset":"60649"},"protocol.js":{"size":802,"offset":"60726"},"screen.js":{"size":192,"offset":"61528"},"session.js":{"size":1057,"offset":"61720"},"system-preferences.js":{"size":248,"offset":"62777"},"touch-bar.js":{"size":9231,"offset":"63025"},"tray.js":{"size":176,"offset":"72256"},"web-contents.js":{"size":9177,"offset":"72432"}}},"chrome-extension.js":{"size":13000,"offset":"81609"},"desktop-capturer.js":{"size":2707,"offset":"94609"},"guest-view-manager.js":{"size":9929,"offset":"97316"},"guest-window-manager.js":{"size":12628,"offset":"107245"},"init.js":{"size":5156,"offset":"119873"},"objects-registry.js":{"size":2944,"offset":"125029"},"rpc-server.js":{"size":15366,"offset":"127973"}}},"common":{"files":{"api":{"files":{"callbacks-registry.js":{"size":1549,"offset":"143339"},"clipboard.js":{"size":628,"offset":"144888"},"crash-reporter.js":{"size":3517,"offset":"145516"},"deprecate.js":{"size":2840,"offset":"149033"},"deprecations.js":{"size":242,"offset":"151873"},"exports":{"files":{"electron.js":{"size":387,"offset":"152115"}}},"is-promise.js":{"size":334,"offset":"152502"},"module-list.js":{"size":570,"offset":"152836"},"native-image.js":{"size":54,"offset":"153406"},"shell.js":{"size":47,"offset":"153460"}}},"atom-binding-setup.js":{"size":355,"offset":"153507"},"init.js":{"size":1886,"offset":"153862"},"parse-features-string.js":{"size":731,"offset":"155748"},"reset-search-paths.js":{"size":1322,"offset":"156479"}}},"renderer":{"files":{"api":{"files":{"desktop-capturer.js":{"size":1485,"offset":"157801"},"exports":{"files":{"electron.js":{"size":348,"offset":"159286"}}},"ipc-renderer.js":{"size":1424,"offset":"159634"},"module-list.js":{"size":297,"offset":"161058"},"remote.js":{"size":11949,"offset":"161355"},"screen.js":{"size":52,"offset":"173304"},"web-frame.js":{"size":341,"offset":"173356"}}},"chrome-api.js":{"size":5866,"offset":"173697"},"content-scripts-injector.js":{"size":2164,"offset":"179563"},"extensions":{"files":{"event.js":{"size":430,"offset":"181727"},"i18n.js":{"size":2604,"offset":"182157"},"storage.js":{"size":2046,"offset":"184761"},"web-navigation.js":{"size":529,"offset":"186807"}}},"init.js":{"size":5477,"offset":"187336"},"inspector.js":{"size":3173,"offset":"192813"},"override.js":{"size":246,"offset":"195986"},"web-view":{"files":{"guest-view-internal.js":{"size":4413,"offset":"196232"},"web-view-attributes.js":{"size":12049,"offset":"200645"},"web-view-constants.js":{"size":1358,"offset":"212694"},"web-view.js":{"size":15933,"offset":"214052"}}},"window-setup.js":{"size":6196,"offset":"229985"}}},"worker":{"files":{"init.js":{"size":1226,"offset":"236181"}}}}}'use strict'

const bindings = process.atomBinding('app')
const {app, App} = bindings

// Only one app object permitted.
module.exports = app

const electron = require('electron')
const {deprecate, Menu} = electron
const {EventEmitter} = require('events')

Object.setPrototypeOf(App.prototype, EventEmitter.prototype)

Object.assign(app, {
  setApplicationMenu (menu) {
    return Menu.setApplicationMenu(menu)
  },
  getApplicationMenu () {
    return Menu.getApplicationMenu()
  },
  commandLine: {
    appendSwitch (...args) {
      const castedArgs = args.map((arg) => {
        return typeof arg !== 'string' ? `${arg}` : arg
      })
      return bindings.appendSwitch(...castedArgs)
    },
    appendArgument (...args) {
      const castedArgs = args.map((arg) => {
        return typeof arg !== 'string' ? `${arg}` : arg
      })
      return bindings.appendArgument(...castedArgs)
    }
  }
})

if (process.platform === 'darwin') {
  app.dock = {
    bounce (type = 'informational') {
      return bindings.dockBounce(type)
    },
    cancelBounce: bindings.dockCancelBounce,
    downloadFinished: bindings.dockDownloadFinished,
    setBadge: bindings.dockSetBadgeText,
    getBadge: bindings.dockGetBadgeText,
    hide: bindings.dockHide,
    show: bindings.dockShow,
    isVisible: bindings.dockIsVisible,
    setMenu: bindings.dockSetMenu,
    setIcon: bindings.dockSetIcon
  }
}

if (process.platform === 'linux') {
  app.launcher = {
    setBadgeCount: bindings.unityLauncherSetBadgeCount,
    getBadgeCount: bindings.unityLauncherGetBadgeCount,
    isCounterBadgeAvailable: bindings.unityLauncherAvailable,
    isUnityRunning: bindings.unityLauncherAvailable
  }
}

app.allowNTLMCredentialsForAllDomains = function (allow) {
  if (!process.noDeprecations) {
    deprecate.warn('app.allowNTLMCredentialsForAllDomains', 'session.allowNTLMCredentialsForDomains')
  }
  let domains = allow ? '*' : ''
  if (!this.isReady()) {
    this.commandLine.appendSwitch('auth-server-whitelist', domains)
  } else {
    electron.session.defaultSession.allowNTLMCredentialsForDomains(domains)
  }
}

// Routes the events to webContents.
const events = ['login', 'certificate-error', 'select-client-certificate']
for (let name of events) {
  app.on(name, (event, webContents, ...args) => {
    webContents.emit(name, event, ...args)
  })
}

// Wrappers for native classes.
const {DownloadItem} = process.atomBinding('download_item')
Object.setPrototypeOf(DownloadItem.prototype, EventEmitter.prototype)
if (process.platform === 'win32') {
  module.exports = require('./auto-updater/auto-updater-win')
} else {
  module.exports = require('./auto-updater/auto-updater-native')
}
const EventEmitter = require('events').EventEmitter
const {autoUpdater, AutoUpdater} = process.atomBinding('auto_updater')

Object.setPrototypeOf(AutoUpdater.prototype, EventEmitter.prototype)

module.exports = autoUpdater
'use strict'

const {app} = require('electron')
const {EventEmitter} = require('events')
const squirrelUpdate = require('./squirrel-update-win')

class AutoUpdater extends EventEmitter {
  quitAndInstall () {
    if (!this.updateAvailable) {
      return this.emitError('No update available, can\'t quit and install')
    }
    squirrelUpdate.processStart()
    app.quit()
  }

  getFeedURL () {
    return this.updateURL
  }

  setFeedURL (updateURL, headers) {
    this.updateURL = updateURL
  }

  checkForUpdates () {
    if (!this.updateURL) {
      return this.emitError('Update URL is not set')
    }
    if (!squirrelUpdate.supported()) {
      return this.emitError('Can not find Squirrel')
    }
    this.emit('checking-for-update')
    squirrelUpdate.download(this.updateURL, (error, update) => {
      if (error != null) {
        return this.emitError(error)
      }
      if (update == null) {
        return this.emit('update-not-available')
      }
      this.updateAvailable = true
      this.emit('update-available')
      squirrelUpdate.update(this.updateURL, (error) => {
        if (error != null) {
          return this.emitError(error)
        }
        const {releaseNotes, version} = update
        // Date is not available on Windows, so fake it.
        const date = new Date()
        this.emit('update-downloaded', {}, releaseNotes, version, date, this.updateURL, () => {
          this.quitAndInstall()
        })
      })
    })
  }

  // Private: Emit both error object and message, this is to keep compatibility
  // with Old APIs.
  emitError (message) {
    this.emit('error', new Error(message), message)
  }
}

module.exports = new AutoUpdater()
const fs = require('fs')
const path = require('path')
const spawn = require('child_process').spawn

// i.e. my-app/app-0.1.13/
const appFolder = path.dirname(process.execPath)

// i.e. my-app/Update.exe
const updateExe = path.resolve(appFolder, '..', 'Update.exe')
const exeName = path.basename(process.execPath)
var spawnedArgs = []
var spawnedProcess

var isSameArgs = function (args) {
  return (args.length === spawnedArgs.length) && args.every(function (e, i) {
    return e === spawnedArgs[i]
  })
}

// Spawn a command and invoke the callback when it completes with an error
// and the output from standard out.
var spawnUpdate = function (args, detached, callback) {
  var error, errorEmitted, stderr, stdout

  try {
    // Ensure we don't spawn multiple squirrel processes
    // Process spawned, same args:        Attach events to alread running process
    // Process spawned, different args:   Return with error
    // No process spawned:                Spawn new process
    if (spawnedProcess && !isSameArgs(args)) {
      return callback('AutoUpdater process with arguments ' + args + ' is already running')
    } else if (!spawnedProcess) {
      spawnedProcess = spawn(updateExe, args, {
        detached: detached
      })
      spawnedArgs = args || []
    }
  } catch (error1) {
    error = error1

    // Shouldn't happen, but still guard it.
    process.nextTick(function () {
      return callback(error)
    })
    return
  }
  stdout = ''
  stderr = ''
  spawnedProcess.stdout.on('data', function (data) {
    stdout += data
  })
  spawnedProcess.stderr.on('data', function (data) {
    stderr += data
  })
  errorEmitted = false
  spawnedProcess.on('error', function (error) {
    errorEmitted = true
    callback(error)
  })
  return spawnedProcess.on('exit', function (code, signal) {
    spawnedProcess = undefined
    spawnedArgs = []

    // We may have already emitted an error.
    if (errorEmitted) {
      return
    }

    // Process terminated with error.
    if (code !== 0) {
      return callback('Command failed: ' + (signal != null ? signal : code) + '\n' + stderr)
    }

    // Success.
    callback(null, stdout)
  })
}

// Start an instance of the installed app.
exports.processStart = function () {
  return spawnUpdate(['--processStartAndWait', exeName], true, function () {})
}

// Download the releases specified by the URL and write new results to stdout.
exports.download = function (updateURL, callback) {
  return spawnUpdate(['--download', updateURL], false, function (error, stdout) {
    var json, ref, ref1, update
    if (error != null) {
      return callback(error)
    }
    try {
      // Last line of output is the JSON details about the releases
      json = stdout.trim().split('\n').pop()
      update = (ref = JSON.parse(json)) != null ? (ref1 = ref.releasesToApply) != null ? typeof ref1.pop === 'function' ? ref1.pop() : void 0 : void 0 : void 0
    } catch (jsonError) {
      return callback('Invalid result:\n' + stdout)
    }
    return callback(null, update)
  })
}

// Update the application to the latest remote version specified by URL.
exports.update = function (updateURL, callback) {
  return spawnUpdate(['--update', updateURL], false, callback)
}

// Is the Update.exe installed with the current application?
exports.supported = function () {
  try {
    fs.accessSync(updateExe, fs.R_OK)
    return true
  } catch (error) {
    return false
  }
}
'use strict'

const {EventEmitter} = require('events')
const {BrowserView} = process.atomBinding('browser_view')

Object.setPrototypeOf(BrowserView.prototype, EventEmitter.prototype)

module.exports = BrowserView
'use strict'

const electron = require('electron')
const {ipcMain} = electron
const {EventEmitter} = require('events')
const {BrowserWindow} = process.atomBinding('window')
const v8Util = process.atomBinding('v8_util')

Object.setPrototypeOf(BrowserWindow.prototype, EventEmitter.prototype)

BrowserWindow.prototype._init = function () {
  // Avoid recursive require.
  const {app} = require('electron')

  // Simulate the application menu on platforms other than macOS.
  if (process.platform !== 'darwin') {
    const menu = app.getApplicationMenu()
    if (menu) this.setMenu(menu)
  }

  // Make new windows requested by links behave like "window.open"
  this.webContents.on('-new-window', (event, url, frameName,
                                      disposition, additionalFeatures,
                                      postData) => {
    const options = {
      show: true,
      width: 800,
      height: 600
    }
    ipcMain.emit('ELECTRON_GUEST_WINDOW_MANAGER_INTERNAL_WINDOW_OPEN',
                 event, url, frameName, disposition,
                 options, additionalFeatures, postData)
  })

  this.webContents.on('-web-contents-created', (event, webContents, url,
                                                frameName) => {
    v8Util.setHiddenValue(webContents, 'url-framename', {url, frameName})
  })
  // Create a new browser window for the native implementation of
  // "window.open"(sandbox mode only)
  this.webContents.on('-add-new-contents', (event, webContents, disposition,
                                            userGesture, left, top, width,
                                            height) => {
    let urlFrameName = v8Util.getHiddenValue(webContents, 'url-framename')
    if ((disposition !== 'foreground-tab' && disposition !== 'new-window') ||
        !urlFrameName) {
      return
    }

    let {url, frameName} = urlFrameName
    v8Util.deleteHiddenValue(webContents, 'url-framename')
    const options = {
      show: true,
      x: left,
      y: top,
      width: width || 800,
      height: height || 600,
      webContents: webContents
    }
    ipcMain.emit('ELECTRON_GUEST_WINDOW_MANAGER_INTERNAL_WINDOW_OPEN',
                 event, url, frameName, disposition, options)
  })

  // window.resizeTo(...)
  // window.moveTo(...)
  this.webContents.on('move', (event, size) => {
    this.setBounds(size)
  })

  // Hide the auto-hide menu when webContents is focused.
  this.webContents.on('activate', () => {
    if (process.platform !== 'darwin' && this.isMenuBarAutoHide() && this.isMenuBarVisible()) {
      this.setMenuBarVisibility(false)
    }
  })

  // Change window title to page title.
  this.webContents.on('page-title-updated', (event, title) => {
    // Route the event to BrowserWindow.
    this.emit('page-title-updated', event, title)
    if (!this.isDestroyed() && !event.defaultPrevented) this.setTitle(title)
  })

  // Sometimes the webContents doesn't get focus when window is shown, so we
  // have to force focusing on webContents in this case. The safest way is to
  // focus it when we first start to load URL, if we do it earlier it won't
  // have effect, if we do it later we might move focus in the page.
  //
  // Though this hack is only needed on macOS when the app is launched from
  // Finder, we still do it on all platforms in case of other bugs we don't
  // know.
  this.webContents.once('load-url', function () {
    this.focus()
  })

  // Redirect focus/blur event to app instance too.
  this.on('blur', (event) => {
    app.emit('browser-window-blur', event, this)
  })
  this.on('focus', (event) => {
    app.emit('browser-window-focus', event, this)
  })

  // Subscribe to visibilityState changes and pass to renderer process.
  let isVisible = this.isVisible() && !this.isMinimized()
  const visibilityChanged = () => {
    const newState = this.isVisible() && !this.isMinimized()
    if (isVisible !== newState) {
      isVisible = newState
      const visibilityState = isVisible ? 'visible' : 'hidden'
      this.webContents.send('ELECTRON_RENDERER_WINDOW_VISIBILITY_CHANGE', visibilityState)
      this.webContents.emit('-window-visibility-change', visibilityState)
    }
  }

  const visibilityEvents = ['show', 'hide', 'minimize', 'maximize', 'restore']
  for (let event of visibilityEvents) {
    this.on(event, visibilityChanged)
  }

  // Notify the creation of the window.
  app.emit('browser-window-created', {}, this)

  Object.defineProperty(this, 'devToolsWebContents', {
    enumerable: true,
    configurable: false,
    get () {
      return this.webContents.devToolsWebContents
    }
  })
}

BrowserWindow.getFocusedWindow = () => {
  for (let window of BrowserWindow.getAllWindows()) {
    if (window.isFocused()) return window
  }
  return null
}

BrowserWindow.fromWebContents = (webContents) => {
  for (const window of BrowserWindow.getAllWindows()) {
    if (window.webContents.equal(webContents)) return window
  }
}

BrowserWindow.fromDevToolsWebContents = (webContents) => {
  for (const window of BrowserWindow.getAllWindows()) {
    const {devToolsWebContents} = window
    if (devToolsWebContents != null && devToolsWebContents.equal(webContents)) {
      return window
    }
  }
}

// Helpers.
Object.assign(BrowserWindow.prototype, {
  loadURL (...args) {
    return this.webContents.loadURL(...args)
  },
  getURL (...args) {
    return this.webContents.getURL()
  },
  reload (...args) {
    return this.webContents.reload(...args)
  },
  send (...args) {
    return this.webContents.send(...args)
  },
  openDevTools (...args) {
    return this.webContents.openDevTools(...args)
  },
  closeDevTools () {
    return this.webContents.closeDevTools()
  },
  isDevToolsOpened () {
    return this.webContents.isDevToolsOpened()
  },
  isDevToolsFocused () {
    return this.webContents.isDevToolsFocused()
  },
  toggleDevTools () {
    return this.webContents.toggleDevTools()
  },
  inspectElement (...args) {
    return this.webContents.inspectElement(...args)
  },
  inspectServiceWorker () {
    return this.webContents.inspectServiceWorker()
  },
  showDefinitionForSelection () {
    return this.webContents.showDefinitionForSelection()
  },
  capturePage (...args) {
    return this.webContents.capturePage(...args)
  },
  setTouchBar (touchBar) {
    electron.TouchBar._setOnWindow(touchBar, this)
  }
})

module.exports = BrowserWindow
module.exports = process.atomBinding('content_tracing')
'use strict'

const {app, BrowserWindow} = require('electron')
const binding = process.atomBinding('dialog')
const v8Util = process.atomBinding('v8_util')

const fileDialogProperties = {
  openFile: 1 << 0,
  openDirectory: 1 << 1,
  multiSelections: 1 << 2,
  createDirectory: 1 << 3,
  showHiddenFiles: 1 << 4,
  promptToCreate: 1 << 5,
  noResolveAliases: 1 << 6
}

const messageBoxTypes = ['none', 'info', 'warning', 'error', 'question']

const messageBoxOptions = {
  noLink: 1 << 0
}

const parseArgs = function (window, options, callback, ...args) {
  if (window != null && window.constructor !== BrowserWindow) {
    // Shift.
    [callback, options, window] = [options, window, null]
  }

  if ((callback == null) && typeof options === 'function') {
    // Shift.
    [callback, options] = [options, null]
  }

  // Fallback to using very last argument as the callback function
  const lastArgument = args[args.length - 1]
  if ((callback == null) && typeof lastArgument === 'function') {
    callback = lastArgument
  }

  return [window, options, callback]
}

const normalizeAccessKey = (text) => {
  if (typeof text !== 'string') return text

  // macOS does not have access keys so remove single ampersands
  // and replace double ampersands with a single ampersand
  if (process.platform === 'darwin') {
    return text.replace(/&(&?)/g, '$1')
  }

  // Linux uses a single underscore as an access key prefix so escape
  // existing single underscores with a second underscore, replace double
  // ampersands with a single ampersand, and replace a single ampersand with
  // a single underscore
  if (process.platform === 'linux') {
    return text.replace(/_/g, '__').replace(/&(.?)/g, (match, after) => {
      if (after === '&') return after
      return `_${after}`
    })
  }

  return text
}

const checkAppInitialized = function () {
  if (!app.isReady()) {
    throw new Error('dialog module can only be used after app is ready')
  }
}

module.exports = {
  showOpenDialog: function (...args) {
    checkAppInitialized()

    let [window, options, callback] = parseArgs(...args)

    if (options == null) {
      options = {
        title: 'Open',
        properties: ['openFile']
      }
    }

    let {buttonLabel, defaultPath, filters, properties, title, message} = options

    if (properties == null) {
      properties = ['openFile']
    } else if (!Array.isArray(properties)) {
      throw new TypeError('Properties must be an array')
    }

    let dialogProperties = 0
    for (const prop in fileDialogProperties) {
      if (properties.includes(prop)) {
        dialogProperties |= fileDialogProperties[prop]
      }
    }

    if (title == null) {
      title = ''
    } else if (typeof title !== 'string') {
      throw new TypeError('Title must be a string')
    }

    if (buttonLabel == null) {
      buttonLabel = ''
    } else if (typeof buttonLabel !== 'string') {
      throw new TypeError('Button label must be a string')
    }

    if (defaultPath == null) {
      defaultPath = ''
    } else if (typeof defaultPath !== 'string') {
      throw new TypeError('Default path must be a string')
    }

    if (filters == null) {
      filters = []
    }

    if (message == null) {
      message = ''
    } else if (typeof message !== 'string') {
      throw new TypeError('Message must be a string')
    }

    const wrappedCallback = typeof callback === 'function' ? function (success, result) {
      return callback(success ? result : void 0)
    } : null
    const settings = {title, buttonLabel, defaultPath, filters, message, window}
    settings.properties = dialogProperties
    return binding.showOpenDialog(settings, wrappedCallback)
  },

  showSaveDialog: function (...args) {
    checkAppInitialized()

    let [window, options, callback] = parseArgs(...args)

    if (options == null) {
      options = {
        title: 'Save'
      }
    }

    let {buttonLabel, defaultPath, filters, title, message, nameFieldLabel, showsTagField} = options

    if (title == null) {
      title = ''
    } else if (typeof title !== 'string') {
      throw new TypeError('Title must be a string')
    }

    if (buttonLabel == null) {
      buttonLabel = ''
    } else if (typeof buttonLabel !== 'string') {
      throw new TypeError('Button label must be a string')
    }

    if (defaultPath == null) {
      defaultPath = ''
    } else if (typeof defaultPath !== 'string') {
      throw new TypeError('Default path must be a string')
    }

    if (filters == null) {
      filters = []
    }

    if (message == null) {
      message = ''
    } else if (typeof message !== 'string') {
      throw new TypeError('Message must be a string')
    }

    if (nameFieldLabel == null) {
      nameFieldLabel = ''
    } else if (typeof nameFieldLabel !== 'string') {
      throw new TypeError('Name field label must be a string')
    }

    if (showsTagField == null) {
      showsTagField = true
    }

    const wrappedCallback = typeof callback === 'function' ? function (success, result) {
      return callback(success ? result : void 0)
    } : null
    const settings = {title, buttonLabel, defaultPath, filters, message, nameFieldLabel, showsTagField, window}
    return binding.showSaveDialog(settings, wrappedCallback)
  },

  showMessageBox: function (...args) {
    checkAppInitialized()

    let [window, options, callback] = parseArgs(...args)

    if (options == null) {
      options = {
        type: 'none'
      }
    }

    let {
      buttons, cancelId, checkboxLabel, checkboxChecked, defaultId, detail,
      icon, message, title, type
    } = options

    if (type == null) {
      type = 'none'
    }

    const messageBoxType = messageBoxTypes.indexOf(type)
    if (messageBoxType === -1) {
      throw new TypeError('Invalid message box type')
    }

    if (buttons == null) {
      buttons = []
    } else if (!Array.isArray(buttons)) {
      throw new TypeError('Buttons must be an array')
    }

    if (options.normalizeAccessKeys) {
      buttons = buttons.map(normalizeAccessKey)
    }

    if (title == null) {
      title = ''
    } else if (typeof title !== 'string') {
      throw new TypeError('Title must be a string')
    }

    if (message == null) {
      message = ''
    } else if (typeof message !== 'string') {
      throw new TypeError('Message must be a string')
    }

    if (detail == null) {
      detail = ''
    } else if (typeof detail !== 'string') {
      throw new TypeError('Detail must be a string')
    }

    checkboxChecked = !!checkboxChecked

    if (checkboxLabel == null) {
      checkboxLabel = ''
    } else if (typeof checkboxLabel !== 'string') {
      throw new TypeError('checkboxLabel must be a string')
    }

    if (icon == null) {
      icon = null
    }

    if (defaultId == null) {
      defaultId = -1
    }

    // Choose a default button to get selected when dialog is cancelled.
    if (cancelId == null) {
      cancelId = 0
      for (let i = 0; i < buttons.length; i++) {
        const text = buttons[i].toLowerCase()
        if (text === 'cancel' || text === 'no') {
          cancelId = i
          break
        }
      }
    }

    const flags = options.noLink ? messageBoxOptions.noLink : 0
    return binding.showMessageBox(messageBoxType, buttons, defaultId, cancelId,
                                  flags, title, message, detail, checkboxLabel,
                                  checkboxChecked, icon, window, callback)
  },

  showErrorBox: function (...args) {
    return binding.showErrorBox(...args)
  },

  showCertificateTrustDialog: function (...args) {
    let [window, options, callback] = parseArgs(...args)

    if (options == null || typeof options !== 'object') {
      throw new TypeError('options must be an object')
    }

    let {certificate, message} = options
    if (certificate == null || typeof certificate !== 'object') {
      throw new TypeError('certificate must be an object')
    }

    if (message == null) {
      message = ''
    } else if (typeof message !== 'string') {
      throw new TypeError('message must be a string')
    }

    return binding.showCertificateTrustDialog(window, certificate, message, callback)
  }
}

// Mark standard asynchronous functions.
v8Util.setHiddenValue(module.exports.showMessageBox, 'asynchronous', true)
v8Util.setHiddenValue(module.exports.showOpenDialog, 'asynchronous', true)
v8Util.setHiddenValue(module.exports.showSaveDialog, 'asynchronous', true)
const common = require('../../../common/api/exports/electron')
// since browser module list is also used in renderer, keep it separate.
const moduleList = require('../module-list')

// Import common modules.
common.defineProperties(exports)

for (const module of moduleList) {
  Object.defineProperty(exports, module.name, {
    enumerable: !module.private,
    get: () => require(`../${module.file}`)
  })
}
module.exports = process.atomBinding('global_shortcut').globalShortcut
const EventEmitter = require('events').EventEmitter

const emitter = new EventEmitter()

const removeAllListeners = emitter.removeAllListeners.bind(emitter)
emitter.removeAllListeners = function (...args) {
  if (args.length === 0) {
    throw new Error('Removing all listeners from ipcMain will make Electron internals stop working.  Please specify a event name')
  }
  removeAllListeners(...args)
}

// Do not throw exception when channel name is "error".
emitter.on('error', () => {})

module.exports = emitter
const {app} = require('electron')

const roles = {
  about: {
    get label () {
      return process.platform === 'linux' ? 'About' : `About ${app.getName()}`
    }
  },
  close: {
    label: process.platform === 'darwin' ? 'Close Window' : 'Close',
    accelerator: 'CommandOrControl+W',
    windowMethod: 'close'
  },
  copy: {
    label: 'Copy',
    accelerator: 'CommandOrControl+C',
    webContentsMethod: 'copy'
  },
  cut: {
    label: 'Cut',
    accelerator: 'CommandOrControl+X',
    webContentsMethod: 'cut'
  },
  delete: {
    label: 'Delete',
    webContentsMethod: 'delete'
  },
  forcereload: {
    label: 'Force Reload',
    accelerator: 'Shift+CmdOrCtrl+R',
    nonNativeMacOSRole: true,
    windowMethod: (window) => {
      window.webContents.reloadIgnoringCache()
    }
  },
  front: {
    label: 'Bring All to Front'
  },
  help: {
    label: 'Help'
  },
  hide: {
    get label () {
      return `Hide ${app.getName()}`
    },
    accelerator: 'Command+H'
  },
  hideothers: {
    label: 'Hide Others',
    accelerator: 'Command+Alt+H'
  },
  minimize: {
    label: 'Minimize',
    accelerator: 'CommandOrControl+M',
    windowMethod: 'minimize'
  },
  paste: {
    label: 'Paste',
    accelerator: 'CommandOrControl+V',
    webContentsMethod: 'paste'
  },
  pasteandmatchstyle: {
    label: 'Paste and Match Style',
    accelerator: 'Shift+CommandOrControl+V',
    webContentsMethod: 'pasteAndMatchStyle'
  },
  quit: {
    get label () {
      switch (process.platform) {
        case 'darwin': return `Quit ${app.getName()}`
        case 'win32': return 'Exit'
        default: return 'Quit'
      }
    },
    accelerator: process.platform === 'win32' ? null : 'CommandOrControl+Q',
    appMethod: 'quit'
  },
  redo: {
    label: 'Redo',
    accelerator: process.platform === 'win32' ? 'Control+Y' : 'Shift+CommandOrControl+Z',
    webContentsMethod: 'redo'
  },
  reload: {
    label: 'Reload',
    accelerator: 'CmdOrCtrl+R',
    nonNativeMacOSRole: true,
    windowMethod: 'reload'
  },
  resetzoom: {
    label: 'Actual Size',
    accelerator: 'CommandOrControl+0',
    nonNativeMacOSRole: true,
    webContentsMethod: (webContents) => {
      webContents.setZoomLevel(0)
    }
  },
  selectall: {
    label: 'Select All',
    accelerator: 'CommandOrControl+A',
    webContentsMethod: 'selectAll'
  },
  services: {
    label: 'Services'
  },
  startspeaking: {
    label: 'Start Speaking'
  },
  stopspeaking: {
    label: 'Stop Speaking'
  },
  toggledevtools: {
    label: 'Toggle Developer Tools',
    accelerator: process.platform === 'darwin' ? 'Alt+Command+I' : 'Ctrl+Shift+I',
    nonNativeMacOSRole: true,
    windowMethod: 'toggleDevTools'
  },
  togglefullscreen: {
    label: 'Toggle Full Screen',
    accelerator: process.platform === 'darwin' ? 'Control+Command+F' : 'F11',
    windowMethod: (window) => {
      window.setFullScreen(!window.isFullScreen())
    }
  },
  undo: {
    label: 'Undo',
    accelerator: 'CommandOrControl+Z',
    webContentsMethod: 'undo'
  },
  unhide: {
    label: 'Show All'
  },
  window: {
    label: 'Window'
  },
  zoom: {
    label: 'Zoom'
  },
  zoomin: {
    label: 'Zoom In',
    accelerator: 'CommandOrControl+Plus',
    nonNativeMacOSRole: true,
    webContentsMethod: (webContents) => {
      webContents.getZoomLevel((zoomLevel) => {
        webContents.setZoomLevel(zoomLevel + 0.5)
      })
    }
  },
  zoomout: {
    label: 'Zoom Out',
    accelerator: 'CommandOrControl+-',
    nonNativeMacOSRole: true,
    webContentsMethod: (webContents) => {
      webContents.getZoomLevel((zoomLevel) => {
        webContents.setZoomLevel(zoomLevel - 0.5)
      })
    }
  },
  // Edit submenu (should fit both Mac & Windows)
  editMenu: {
    label: 'Edit',
    submenu: [
      {
        role: 'undo'
      },
      {
        role: 'redo'
      },
      {
        type: 'separator'
      },
      {
        role: 'cut'
      },
      {
        role: 'copy'
      },
      {
        role: 'paste'
      },

      process.platform === 'darwin' ? {
        role: 'pasteandmatchstyle'
      } : null,

      {
        role: 'delete'
      },

      process.platform === 'win32' ? {
        type: 'separator'
      } : null,

      {
        role: 'selectall'
      }
    ]
  },

  // Window submenu should be used for Mac only
  windowMenu: {
    label: 'Window',
    submenu: [
      {
        role: 'minimize'
      },
      {
        role: 'close'
      },

      process.platform === 'darwin' ? {
        type: 'separator'
      } : null,

      process.platform === 'darwin' ? {
        role: 'front'
      } : null

    ]
  }
}

const canExecuteRole = (role) => {
  if (!roles.hasOwnProperty(role)) return false
  if (process.platform !== 'darwin') return true
  // macOS handles all roles natively except for a few
  return roles[role].nonNativeMacOSRole
}

exports.getDefaultLabel = (role) => {
  if (roles.hasOwnProperty(role)) {
    return roles[role].label
  } else {
    return ''
  }
}

exports.getDefaultAccelerator = (role) => {
  if (roles.hasOwnProperty(role)) return roles[role].accelerator
}

exports.getDefaultSubmenu = (role) => {
  if (!roles.hasOwnProperty(role)) return

  let {submenu} = roles[role]

  // remove null items from within the submenu
  if (Array.isArray(submenu)) {
    submenu = submenu.filter((item) => item != null)
  }

  return submenu
}

exports.execute = (role, focusedWindow, focusedWebContents) => {
  if (!canExecuteRole(role)) return false

  const {appMethod, webContentsMethod, windowMethod} = roles[role]

  if (appMethod) {
    app[appMethod]()
    return true
  }

  if (windowMethod && focusedWindow != null) {
    if (typeof windowMethod === 'function') {
      windowMethod(focusedWindow)
    } else {
      focusedWindow[windowMethod]()
    }
    return true
  }

  if (webContentsMethod && focusedWebContents != null) {
    if (typeof webContentsMethod === 'function') {
      webContentsMethod(focusedWebContents)
    } else {
      focusedWebContents[webContentsMethod]()
    }
    return true
  }

  return false
}
'use strict'

const roles = require('./menu-item-roles')

let nextCommandId = 0

const MenuItem = function (options) {
  const {Menu} = require('electron')

  // Preserve extra fields specified by user
  for (let key in options) {
    if (!(key in this)) this[key] = options[key]
  }
  this.submenu = this.submenu || roles.getDefaultSubmenu(this.role)
  if (this.submenu != null && this.submenu.constructor !== Menu) {
    this.submenu = Menu.buildFromTemplate(this.submenu)
  }
  if (this.type == null && this.submenu != null) {
    this.type = 'submenu'
  }
  if (this.type === 'submenu' && (this.submenu == null || this.submenu.constructor !== Menu)) {
    throw new Error('Invalid submenu')
  }

  this.overrideReadOnlyProperty('type', 'normal')
  this.overrideReadOnlyProperty('role')
  this.overrideReadOnlyProperty('accelerator')
  this.overrideReadOnlyProperty('icon')
  this.overrideReadOnlyProperty('submenu')

  this.overrideProperty('label', roles.getDefaultLabel(this.role))
  this.overrideProperty('sublabel', '')
  this.overrideProperty('enabled', true)
  this.overrideProperty('visible', true)
  this.overrideProperty('checked', false)

  if (!MenuItem.types.includes(this.type)) {
    throw new Error(`Unknown menu item type: ${this.type}`)
  }

  this.overrideReadOnlyProperty('commandId', ++nextCommandId)

  const click = options.click
  this.click = (event, focusedWindow, focusedWebContents) => {
    // Manually flip the checked flags when clicked.
    if (this.type === 'checkbox' || this.type === 'radio') {
      this.checked = !this.checked
    }

    if (!roles.execute(this.role, focusedWindow, focusedWebContents)) {
      if (typeof click === 'function') {
        click(this, focusedWindow, event)
      } else if (typeof this.selector === 'string' && process.platform === 'darwin') {
        Menu.sendActionToFirstResponder(this.selector)
      }
    }
  }
}

MenuItem.types = ['normal', 'separator', 'submenu', 'checkbox', 'radio']

MenuItem.prototype.getDefaultRoleAccelerator = function () {
  return roles.getDefaultAccelerator(this.role)
}

MenuItem.prototype.overrideProperty = function (name, defaultValue = null) {
  if (this[name] == null) {
    this[name] = defaultValue
  }
}

MenuItem.prototype.overrideReadOnlyProperty = function (name, defaultValue) {
  this.overrideProperty(name, defaultValue)
  Object.defineProperty(this, name, {
    enumerable: true,
    writable: false,
    value: this[name]
  })
}

module.exports = MenuItem
'use strict'

const {BrowserWindow, MenuItem, webContents} = require('electron')
const EventEmitter = require('events').EventEmitter
const v8Util = process.atomBinding('v8_util')
const bindings = process.atomBinding('menu')

// Automatically generated radio menu item's group id.
var nextGroupId = 0

// Search between separators to find a radio menu item and return its group id,
// otherwise generate a group id.
var generateGroupId = function (items, pos) {
  var i, item, j, k, ref1, ref2, ref3
  if (pos > 0) {
    for (i = j = ref1 = pos - 1; ref1 <= 0 ? j <= 0 : j >= 0; i = ref1 <= 0 ? ++j : --j) {
      item = items[i]
      if (item.type === 'radio') {
        return item.groupId
      }
      if (item.type === 'separator') {
        break
      }
    }
  } else if (pos < items.length) {
    for (i = k = ref2 = pos, ref3 = items.length - 1; ref2 <= ref3 ? k <= ref3 : k >= ref3; i = ref2 <= ref3 ? ++k : --k) {
      item = items[i]
      if (item.type === 'radio') {
        return item.groupId
      }
      if (item.type === 'separator') {
        break
      }
    }
  }
  return ++nextGroupId
}

// Returns the index of item according to |id|.
var indexOfItemById = function (items, id) {
  var i, item, j, len
  for (i = j = 0, len = items.length; j < len; i = ++j) {
    item = items[i]
    if (item.id === id) {
      return i
    }
  }
  return -1
}

// Returns the index of where to insert the item according to |position|.
var indexToInsertByPosition = function (items, position) {
  var insertIndex
  if (!position) {
    return items.length
  }
  const [query, id] = position.split('=')
  insertIndex = indexOfItemById(items, id)
  if (insertIndex === -1 && query !== 'endof') {
    console.warn("Item with id '" + id + "' is not found")
    return items.length
  }
  switch (query) {
    case 'after':
      insertIndex++
      break
    case 'endof':

      // If the |id| doesn't exist, then create a new group with the |id|.
      if (insertIndex === -1) {
        items.push({
          id: id,
          type: 'separator'
        })
        insertIndex = items.length - 1
      }

      // Find the end of the group.
      insertIndex++
      while (insertIndex < items.length && items[insertIndex].type !== 'separator') {
        insertIndex++
      }
  }
  return insertIndex
}

const Menu = bindings.Menu

Object.setPrototypeOf(Menu.prototype, EventEmitter.prototype)

Menu.prototype._init = function () {
  this.commandsMap = {}
  this.groupsMap = {}
  this.items = []
  this.delegate = {
    isCommandIdChecked: (commandId) => {
      var command = this.commandsMap[commandId]
      return command != null ? command.checked : undefined
    },
    isCommandIdEnabled: (commandId) => {
      var command = this.commandsMap[commandId]
      return command != null ? command.enabled : undefined
    },
    isCommandIdVisible: (commandId) => {
      var command = this.commandsMap[commandId]
      return command != null ? command.visible : undefined
    },
    getAcceleratorForCommandId: (commandId, useDefaultAccelerator) => {
      const command = this.commandsMap[commandId]
      if (command == null) return
      if (command.accelerator != null) return command.accelerator
      if (useDefaultAccelerator) return command.getDefaultRoleAccelerator()
    },
    getIconForCommandId: (commandId) => {
      var command = this.commandsMap[commandId]
      return command != null ? command.icon : undefined
    },
    executeCommand: (event, commandId) => {
      const command = this.commandsMap[commandId]
      if (command == null) return
      command.click(event, BrowserWindow.getFocusedWindow(), webContents.getFocusedWebContents())
    },
    menuWillShow: () => {
      // Make sure radio groups have at least one menu item seleted.
      var checked, group, id, j, len, radioItem, ref1
      ref1 = this.groupsMap
      for (id in ref1) {
        group = ref1[id]
        checked = false
        for (j = 0, len = group.length; j < len; j++) {
          radioItem = group[j]
          if (!radioItem.checked) {
            continue
          }
          checked = true
          break
        }
        if (!checked) {
          v8Util.setHiddenValue(group[0], 'checked', true)
        }
      }
    }
  }
}

Menu.prototype.popup = function (window, x, y, positioningItem) {
  let asyncPopup

  // menu.popup(x, y, positioningItem)
  if (window != null && (typeof window !== 'object' || window.constructor !== BrowserWindow)) {
    // Shift.
    positioningItem = y
    y = x
    x = window
    window = null
  }

  // menu.popup(window, {})
  if (x != null && typeof x === 'object') {
    const options = x
    x = options.x
    y = options.y
    positioningItem = options.positioningItem
    asyncPopup = options.async
  }

  // Default to showing in focused window.
  if (window == null) window = BrowserWindow.getFocusedWindow()

  // Default to showing under mouse location.
  if (typeof x !== 'number') x = -1
  if (typeof y !== 'number') y = -1

  // Default to not highlighting any item.
  if (typeof positioningItem !== 'number') positioningItem = -1

  // Default to synchronous for backwards compatibility.
  if (typeof asyncPopup !== 'boolean') asyncPopup = false

  this.popupAt(window, x, y, positioningItem, asyncPopup)
}

Menu.prototype.closePopup = function (window) {
  if (window == null || window.constructor !== BrowserWindow) {
    window = BrowserWindow.getFocusedWindow()
  }
  if (window != null) {
    this.closePopupAt(window.id)
  }
}

Menu.prototype.append = function (item) {
  return this.insert(this.getItemCount(), item)
}

Menu.prototype.insert = function (pos, item) {
  var base, name
  if ((item != null ? item.constructor : void 0) !== MenuItem) {
    throw new TypeError('Invalid item')
  }
  switch (item.type) {
    case 'normal':
      this.insertItem(pos, item.commandId, item.label)
      break
    case 'checkbox':
      this.insertCheckItem(pos, item.commandId, item.label)
      break
    case 'separator':
      this.insertSeparator(pos)
      break
    case 'submenu':
      this.insertSubMenu(pos, item.commandId, item.label, item.submenu)
      break
    case 'radio':
      // Grouping radio menu items.
      item.overrideReadOnlyProperty('groupId', generateGroupId(this.items, pos))
      if ((base = this.groupsMap)[name = item.groupId] == null) {
        base[name] = []
      }
      this.groupsMap[item.groupId].push(item)

      // Setting a radio menu item should flip other items in the group.
      v8Util.setHiddenValue(item, 'checked', item.checked)
      Object.defineProperty(item, 'checked', {
        enumerable: true,
        get: function () {
          return v8Util.getHiddenValue(item, 'checked')
        },
        set: () => {
          var j, len, otherItem, ref1
          ref1 = this.groupsMap[item.groupId]
          for (j = 0, len = ref1.length; j < len; j++) {
            otherItem = ref1[j]
            if (otherItem !== item) {
              v8Util.setHiddenValue(otherItem, 'checked', false)
            }
          }
          return v8Util.setHiddenValue(item, 'checked', true)
        }
      })
      this.insertRadioItem(pos, item.commandId, item.label, item.groupId)
  }
  if (item.sublabel != null) {
    this.setSublabel(pos, item.sublabel)
  }
  if (item.icon != null) {
    this.setIcon(pos, item.icon)
  }
  if (item.role != null) {
    this.setRole(pos, item.role)
  }

  // Make menu accessable to items.
  item.overrideReadOnlyProperty('menu', this)

  // Remember the items.
  this.items.splice(pos, 0, item)
  this.commandsMap[item.commandId] = item
}

// Force menuWillShow to be called
Menu.prototype._callMenuWillShow = function () {
  if (this.delegate != null) {
    this.delegate.menuWillShow()
  }
  this.items.forEach(function (item) {
    if (item.submenu != null) {
      item.submenu._callMenuWillShow()
    }
  })
}

var applicationMenu = null

Menu.setApplicationMenu = function (menu) {
  if (!(menu === null || menu.constructor === Menu)) {
    throw new TypeError('Invalid menu')
  }

  // Keep a reference.
  applicationMenu = menu
  if (process.platform === 'darwin') {
    if (menu === null) {
      return
    }
    menu._callMenuWillShow()
    bindings.setApplicationMenu(menu)
  } else {
    BrowserWindow.getAllWindows().forEach(function (window) {
      window.setMenu(menu)
    })
  }
}

Menu.getApplicationMenu = function () {
  return applicationMenu
}

Menu.sendActionToFirstResponder = bindings.sendActionToFirstResponder

Menu.buildFromTemplate = function (template) {
  var insertIndex, item, j, k, len, len1, menu, menuItem, positionedTemplate
  if (!Array.isArray(template)) {
    throw new TypeError('Invalid template for Menu')
  }
  positionedTemplate = []
  insertIndex = 0
  for (j = 0, len = template.length; j < len; j++) {
    item = template[j]
    if (item.position) {
      insertIndex = indexToInsertByPosition(positionedTemplate, item.position)
    } else {
      // If no |position| is specified, insert after last item.
      insertIndex++
    }
    positionedTemplate.splice(insertIndex, 0, item)
  }
  menu = new Menu()
  for (k = 0, len1 = positionedTemplate.length; k < len1; k++) {
    item = positionedTemplate[k]
    if (typeof item !== 'object') {
      throw new TypeError('Invalid template for MenuItem')
    }
    menuItem = new MenuItem(item)
    menu.append(menuItem)
  }
  return menu
}

module.exports = Menu
// Browser side modules, please sort alphabetically.
module.exports = [
  {name: 'app', file: 'app'},
  {name: 'autoUpdater', file: 'auto-updater'},
  {name: 'BrowserView', file: 'browser-view'},
  {name: 'BrowserWindow', file: 'browser-window'},
  {name: 'contentTracing', file: 'content-tracing'},
  {name: 'dialog', file: 'dialog'},
  {name: 'globalShortcut', file: 'global-shortcut'},
  {name: 'ipcMain', file: 'ipc-main'},
  {name: 'Menu', file: 'menu'},
  {name: 'MenuItem', file: 'menu-item'},
  {name: 'net', file: 'net'},
  {name: 'powerMonitor', file: 'power-monitor'},
  {name: 'powerSaveBlocker', file: 'power-save-blocker'},
  {name: 'protocol', file: 'protocol'},
  {name: 'screen', file: 'screen'},
  {name: 'session', file: 'session'},
  {name: 'systemPreferences', file: 'system-preferences'},
  {name: 'TouchBar', file: 'touch-bar'},
  {name: 'Tray', file: 'tray'},
  {name: 'webContents', file: 'web-contents'},
  // The internal modules, invisible unless you know their names.
  {name: 'NavigationController', file: 'navigation-controller', private: true}
]
'use strict'

const {ipcMain} = require('electron')

// The history operation in renderer is redirected to browser.
ipcMain.on('ELECTRON_NAVIGATION_CONTROLLER', function (event, method, ...args) {
  event.sender[method](...args)
})

ipcMain.on('ELECTRON_SYNC_NAVIGATION_CONTROLLER', function (event, method, ...args) {
  event.returnValue = event.sender[method](...args)
})

// JavaScript implementation of Chromium's NavigationController.
// Instead of relying on Chromium for history control, we compeletely do history
// control on user land, and only rely on WebContents.loadURL for navigation.
// This helps us avoid Chromium's various optimizations so we can ensure renderer
// process is restarted everytime.
var NavigationController = (function () {
  function NavigationController (webContents) {
    this.webContents = webContents
    this.clearHistory()

    // webContents may have already navigated to a page.
    if (this.webContents._getURL()) {
      this.currentIndex++
      this.history.push(this.webContents._getURL())
    }
    this.webContents.on('navigation-entry-commited', (event, url, inPage, replaceEntry) => {
      var currentEntry
      if (this.inPageIndex > -1 && !inPage) {
        // Navigated to a new page, clear in-page mark.
        this.inPageIndex = -1
      } else if (this.inPageIndex === -1 && inPage && !replaceEntry) {
        // Started in-page navigations.
        this.inPageIndex = this.currentIndex
      }
      if (this.pendingIndex >= 0) {
        // Go to index.
        this.currentIndex = this.pendingIndex
        this.pendingIndex = -1
        this.history[this.currentIndex] = url
      } else if (replaceEntry) {
        // Non-user initialized navigation.
        this.history[this.currentIndex] = url
      } else {
        // Normal navigation. Clear history.
        this.history = this.history.slice(0, this.currentIndex + 1)
        currentEntry = this.history[this.currentIndex]

        if (currentEntry !== url) {
          this.currentIndex++
          this.history.push(url)
        }
      }
    })
  }

  NavigationController.prototype.loadURL = function (url, options) {
    if (options == null) {
      options = {}
    }
    this.pendingIndex = -1
    this.webContents._loadURL(url, options)
    return this.webContents.emit('load-url', url, options)
  }

  NavigationController.prototype.getURL = function () {
    if (this.currentIndex === -1) {
      return ''
    } else {
      return this.history[this.currentIndex]
    }
  }

  NavigationController.prototype.stop = function () {
    this.pendingIndex = -1
    return this.webContents._stop()
  }

  NavigationController.prototype.reload = function () {
    this.pendingIndex = this.currentIndex
    return this.webContents._loadURL(this.getURL(), {})
  }

  NavigationController.prototype.reloadIgnoringCache = function () {
    this.pendingIndex = this.currentIndex
    return this.webContents._loadURL(this.getURL(), {
      extraHeaders: 'pragma: no-cache\n'
    })
  }

  NavigationController.prototype.canGoBack = function () {
    return this.getActiveIndex() > 0
  }

  NavigationController.prototype.canGoForward = function () {
    return this.getActiveIndex() < this.history.length - 1
  }

  NavigationController.prototype.canGoToIndex = function (index) {
    return index >= 0 && index < this.history.length
  }

  NavigationController.prototype.canGoToOffset = function (offset) {
    return this.canGoToIndex(this.currentIndex + offset)
  }

  NavigationController.prototype.clearHistory = function () {
    this.history = []
    this.currentIndex = -1
    this.pendingIndex = -1
    this.inPageIndex = -1
  }

  NavigationController.prototype.goBack = function () {
    if (!this.canGoBack()) {
      return
    }
    this.pendingIndex = this.getActiveIndex() - 1
    if (this.inPageIndex > -1 && this.pendingIndex >= this.inPageIndex) {
      return this.webContents._goBack()
    } else {
      return this.webContents._loadURL(this.history[this.pendingIndex], {})
    }
  }

  NavigationController.prototype.goForward = function () {
    if (!this.canGoForward()) {
      return
    }
    this.pendingIndex = this.getActiveIndex() + 1
    if (this.inPageIndex > -1 && this.pendingIndex >= this.inPageIndex) {
      return this.webContents._goForward()
    } else {
      return this.webContents._loadURL(this.history[this.pendingIndex], {})
    }
  }

  NavigationController.prototype.goToIndex = function (index) {
    if (!this.canGoToIndex(index)) {
      return
    }
    this.pendingIndex = index
    return this.webContents._loadURL(this.history[this.pendingIndex], {})
  }

  NavigationController.prototype.goToOffset = function (offset) {
    var pendingIndex
    if (!this.canGoToOffset(offset)) {
      return
    }
    pendingIndex = this.currentIndex + offset
    if (this.inPageIndex > -1 && pendingIndex >= this.inPageIndex) {
      this.pendingIndex = pendingIndex
      return this.webContents._goToOffset(offset)
    } else {
      return this.goToIndex(pendingIndex)
    }
  }

  NavigationController.prototype.getActiveIndex = function () {
    if (this.pendingIndex === -1) {
      return this.currentIndex
    } else {
      return this.pendingIndex
    }
  }

  NavigationController.prototype.length = function () {
    return this.history.length
  }

  return NavigationController
})()

module.exports = NavigationController
'use strict'

const url = require('url')
const {EventEmitter} = require('events')
const util = require('util')
const {Readable} = require('stream')
const {app} = require('electron')
const {Session} = process.atomBinding('session')
const {net, Net} = process.atomBinding('net')
const {URLRequest} = net

Object.setPrototypeOf(Net.prototype, EventEmitter.prototype)
Object.setPrototypeOf(URLRequest.prototype, EventEmitter.prototype)

const kSupportedProtocols = new Set(['http:', 'https:'])

class IncomingMessage extends Readable {
  constructor (urlRequest) {
    super()
    this.urlRequest = urlRequest
    this.shouldPush = false
    this.data = []
    this.urlRequest.on('data', (event, chunk) => {
      this._storeInternalData(chunk)
      this._pushInternalData()
    })
    this.urlRequest.on('end', () => {
      this._storeInternalData(null)
      this._pushInternalData()
    })
  }

  get statusCode () {
    return this.urlRequest.statusCode
  }

  get statusMessage () {
    return this.urlRequest.statusMessage
  }

  get headers () {
    return this.urlRequest.rawResponseHeaders
  }

  get httpVersion () {
    return `${this.httpVersionMajor}.${this.httpVersionMinor}`
  }

  get httpVersionMajor () {
    return this.urlRequest.httpVersionMajor
  }

  get httpVersionMinor () {
    return this.urlRequest.httpVersionMinor
  }

  get rawTrailers () {
    throw new Error('HTTP trailers are not supported.')
  }

  get trailers () {
    throw new Error('HTTP trailers are not supported.')
  }

  _storeInternalData (chunk) {
    this.data.push(chunk)
  }

  _pushInternalData () {
    while (this.shouldPush && this.data.length > 0) {
      const chunk = this.data.shift()
      this.shouldPush = this.push(chunk)
    }
  }

  _read () {
    this.shouldPush = true
    this._pushInternalData()
  }

}

URLRequest.prototype._emitRequestEvent = function (isAsync, ...rest) {
  if (isAsync) {
    process.nextTick(() => {
      this.clientRequest.emit(...rest)
    })
  } else {
    this.clientRequest.emit(...rest)
  }
}

URLRequest.prototype._emitResponseEvent = function (isAsync, ...rest) {
  if (isAsync) {
    process.nextTick(() => {
      this._response.emit(...rest)
    })
  } else {
    this._response.emit(...rest)
  }
}

class ClientRequest extends EventEmitter {

  constructor (options, callback) {
    super()

    if (!app.isReady()) {
      throw new Error('net module can only be used after app is ready')
    }

    if (typeof options === 'string') {
      options = url.parse(options)
    } else {
      options = util._extend({}, options)
    }

    const method = (options.method || 'GET').toUpperCase()
    let urlStr = options.url

    if (!urlStr) {
      let urlObj = {}
      const protocol = options.protocol || 'http:'
      if (!kSupportedProtocols.has(protocol)) {
        throw new Error('Protocol "' + protocol + '" not supported. ')
      }
      urlObj.protocol = protocol

      if (options.host) {
        urlObj.host = options.host
      } else {
        if (options.hostname) {
          urlObj.hostname = options.hostname
        } else {
          urlObj.hostname = 'localhost'
        }

        if (options.port) {
          urlObj.port = options.port
        }
      }

      if (options.path && / /.test(options.path)) {
        // The actual regex is more like /[^A-Za-z0-9\-._~!$&'()*+,;=/:@]/
        // with an additional rule for ignoring percentage-escaped characters
        // but that's a) hard to capture in a regular expression that performs
        // well, and b) possibly too restrictive for real-world usage. That's
        // why it only scans for spaces because those are guaranteed to create
        // an invalid request.
        throw new TypeError('Request path contains unescaped characters.')
      }
      let pathObj = url.parse(options.path || '/')
      urlObj.pathname = pathObj.pathname
      urlObj.search = pathObj.search
      urlObj.hash = pathObj.hash
      urlStr = url.format(urlObj)
    }

    const redirectPolicy = options.redirect || 'follow'
    if (!['follow', 'error', 'manual'].includes(redirectPolicy)) {
      throw new Error('redirect mode should be one of follow, error or manual')
    }

    let urlRequestOptions = {
      method: method,
      url: urlStr,
      redirect: redirectPolicy
    }
    if (options.session) {
      if (options.session instanceof Session) {
        urlRequestOptions.session = options.session
      } else {
        throw new TypeError('`session` should be an instance of the Session class.')
      }
    } else if (options.partition) {
      if (typeof options.partition === 'string') {
        urlRequestOptions.partition = options.partition
      } else {
        throw new TypeError('`partition` should be an a string.')
      }
    }

    let urlRequest = new URLRequest(urlRequestOptions)

    // Set back and forward links.
    this.urlRequest = urlRequest
    urlRequest.clientRequest = this

    // This is a copy of the extra headers structure held by the native
    // net::URLRequest. The main reason is to keep the getHeader API synchronous
    // after the request starts.
    this.extraHeaders = {}

    if (options.headers) {
      for (let key in options.headers) {
        this.setHeader(key, options.headers[key])
      }
    }

    // Set when the request uses chunked encoding. Can be switched
    // to true only once and never set back to false.
    this.chunkedEncodingEnabled = false

    urlRequest.on('response', () => {
      const response = new IncomingMessage(urlRequest)
      urlRequest._response = response
      this.emit('response', response)
    })

    urlRequest.on('login', (event, authInfo, callback) => {
      this.emit('login', authInfo, (username, password) => {
        // If null or undefined username/password, force to empty string.
        if (username === null || username === undefined) {
          username = ''
        }
        if (typeof username !== 'string') {
          throw new Error('username must be a string')
        }
        if (password === null || password === undefined) {
          password = ''
        }
        if (typeof password !== 'string') {
          throw new Error('password must be a string')
        }
        callback(username, password)
      })
    })

    if (callback) {
      this.once('response', callback)
    }
  }

  get chunkedEncoding () {
    return this.chunkedEncodingEnabled
  }

  set chunkedEncoding (value) {
    if (!this.urlRequest.notStarted) {
      throw new Error('Can\'t set the transfer encoding, headers have been sent.')
    }
    this.chunkedEncodingEnabled = value
  }

  setHeader (name, value) {
    if (typeof name !== 'string') {
      throw new TypeError('`name` should be a string in setHeader(name, value).')
    }
    if (value == null) {
      throw new Error('`value` required in setHeader("' + name + '", value).')
    }
    if (!this.urlRequest.notStarted) {
      throw new Error('Can\'t set headers after they are sent.')
    }

    const key = name.toLowerCase()
    this.extraHeaders[key] = value
    this.urlRequest.setExtraHeader(name, value.toString())
  }

  getHeader (name) {
    if (name == null) {
      throw new Error('`name` is required for getHeader(name).')
    }

    if (!this.extraHeaders) {
      return
    }

    const key = name.toLowerCase()
    return this.extraHeaders[key]
  }

  removeHeader (name) {
    if (name == null) {
      throw new Error('`name` is required for removeHeader(name).')
    }

    if (!this.urlRequest.notStarted) {
      throw new Error('Can\'t remove headers after they are sent.')
    }

    const key = name.toLowerCase()
    delete this.extraHeaders[key]
    this.urlRequest.removeExtraHeader(name)
  }

  _write (chunk, encoding, callback, isLast) {
    let chunkIsString = typeof chunk === 'string'
    let chunkIsBuffer = chunk instanceof Buffer
    if (!chunkIsString && !chunkIsBuffer) {
      throw new TypeError('First argument must be a string or Buffer.')
    }

    if (chunkIsString) {
      // We convert all strings into binary buffers.
      chunk = Buffer.from(chunk, encoding)
    }

    // Since writing to the network is asynchronous, we conservatively
    // assume that request headers are written after delivering the first
    // buffer to the network IO thread.
    if (this.urlRequest.notStarted) {
      this.urlRequest.setChunkedUpload(this.chunkedEncoding)
    }

    // Headers are assumed to be sent on first call to _writeBuffer,
    // i.e. after the first call to write or end.
    let result = this.urlRequest.write(chunk, isLast)

    // The write callback is fired asynchronously to mimic Node.js.
    if (callback) {
      process.nextTick(callback)
    }

    return result
  }

  write (data, encoding, callback) {
    if (this.urlRequest.finished) {
      let error = new Error('Write after end.')
      process.nextTick(writeAfterEndNT, this, error, callback)
      return true
    }

    return this._write(data, encoding, callback, false)
  }

  end (data, encoding, callback) {
    if (this.urlRequest.finished) {
      return false
    }

    if (typeof data === 'function') {
      callback = data
      encoding = null
      data = null
    } else if (typeof encoding === 'function') {
      callback = encoding
      encoding = null
    }

    data = data || ''

    return this._write(data, encoding, callback, true)
  }

  followRedirect () {
    this.urlRequest.followRedirect()
  }

  abort () {
    this.urlRequest.cancel()
  }

}

function writeAfterEndNT (self, error, callback) {
  self.emit('error', error)
  if (callback) callback(error)
}

Net.prototype.request = function (options, callback) {
  return new ClientRequest(options, callback)
}

net.ClientRequest = ClientRequest

module.exports = net
const {EventEmitter} = require('events')
const {powerMonitor, PowerMonitor} = process.atomBinding('power_monitor')

Object.setPrototypeOf(PowerMonitor.prototype, EventEmitter.prototype)

module.exports = powerMonitor
module.exports = process.atomBinding('power_save_blocker').powerSaveBlocker
const {app, session} = require('electron')

// Global protocol APIs.
module.exports = process.atomBinding('protocol')

// Fallback protocol APIs of default session.
Object.setPrototypeOf(module.exports, new Proxy({}, {
  get (target, property) {
    if (!app.isReady()) return

    const protocol = session.defaultSession.protocol
    if (!Object.getPrototypeOf(protocol).hasOwnProperty(property)) return

    // Returning a native function directly would throw error.
    return (...args) => protocol[property](...args)
  },

  ownKeys () {
    if (!app.isReady()) return []

    return Object.getOwnPropertyNames(Object.getPrototypeOf(session.defaultSession.protocol))
  },

  getOwnPropertyDescriptor (target) {
    return { configurable: true, enumerable: true }
  }
}))
const {EventEmitter} = require('events')
const {screen, Screen} = process.atomBinding('screen')

Object.setPrototypeOf(Screen.prototype, EventEmitter.prototype)

module.exports = screen
const {EventEmitter} = require('events')
const {app} = require('electron')
const {fromPartition, Session, Cookies} = process.atomBinding('session')

// Public API.
Object.defineProperties(exports, {
  defaultSession: {
    enumerable: true,
    get () { return fromPartition('') }
  },
  fromPartition: {
    enumerable: true,
    value: fromPartition
  }
})

Object.setPrototypeOf(Session.prototype, EventEmitter.prototype)
Object.setPrototypeOf(Cookies.prototype, EventEmitter.prototype)

Session.prototype._init = function () {
  app.emit('session-created', this)
}

Session.prototype.setCertificateVerifyProc = function (verifyProc) {
  if (verifyProc != null && verifyProc.length > 2) {
    // TODO(kevinsawicki): Remove in 2.0, deprecate before then with warnings
    this._setCertificateVerifyProc(({hostname, certificate, verificationResult}, cb) => {
      verifyProc(hostname, certificate, (result) => {
        cb(result ? 0 : -2)
      })
    })
  } else {
    this._setCertificateVerifyProc(verifyProc)
  }
}
const {EventEmitter} = require('events')
const {systemPreferences, SystemPreferences} = process.atomBinding('system_preferences')

Object.setPrototypeOf(SystemPreferences.prototype, EventEmitter.prototype)

module.exports = systemPreferences
const {EventEmitter} = require('events')

let nextItemID = 1

class TouchBar extends EventEmitter {
  // Bind a touch bar to a window
  static _setOnWindow (touchBar, window) {
    if (window._touchBar != null) {
      window._touchBar._removeFromWindow(window)
    }

    if (touchBar == null) {
      window._setTouchBarItems([])
      return
    }

    if (Array.isArray(touchBar)) {
      touchBar = new TouchBar(touchBar)
    }
    touchBar._addToWindow(window)
  }

  constructor (options) {
    super()

    if (options == null) {
      throw new Error('Must specify options object as first argument')
    }

    let {items, escapeItem} = options

    // FIXME Support array as first argument, remove in 2.0
    if (Array.isArray(options)) {
      items = options
      escapeItem = null
    }

    if (!Array.isArray(items)) {
      items = []
    }

    this.changeListener = (item) => {
      this.emit('change', item.id, item.type)
    }

    this.windowListeners = {}
    this.items = {}
    this.ordereredItems = []
    this.escapeItem = escapeItem

    const registerItem = (item) => {
      this.items[item.id] = item
      item.on('change', this.changeListener)
      if (item.child instanceof TouchBar) {
        item.child.ordereredItems.forEach(registerItem)
      }
    }
    items.forEach((item) => {
      if (!(item instanceof TouchBarItem)) {
        throw new Error('Each item must be an instance of TouchBarItem')
      }
      this.ordereredItems.push(item)
      registerItem(item)
    })
  }

  set escapeItem (item) {
    if (item != null && !(item instanceof TouchBarItem)) {
      throw new Error('Escape item must be an instance of TouchBarItem')
    }
    if (this.escapeItem != null) {
      this.escapeItem.removeListener('change', this.changeListener)
    }
    this._escapeItem = item
    if (this.escapeItem != null) {
      this.escapeItem.on('change', this.changeListener)
    }
    this.emit('escape-item-change', item)
  }

  get escapeItem () {
    return this._escapeItem
  }

  _addToWindow (window) {
    const {id} = window

    // Already added to window
    if (this.windowListeners.hasOwnProperty(id)) return

    window._touchBar = this

    const changeListener = (itemID) => {
      window._refreshTouchBarItem(itemID)
    }
    this.on('change', changeListener)

    const escapeItemListener = (item) => {
      window._setEscapeTouchBarItem(item != null ? item : {})
    }
    this.on('escape-item-change', escapeItemListener)

    const interactionListener = (event, itemID, details) => {
      let item = this.items[itemID]
      if (item == null && this.escapeItem != null && this.escapeItem.id === itemID) {
        item = this.escapeItem
      }
      if (item != null && item.onInteraction != null) {
        item.onInteraction(details)
      }
    }
    window.on('-touch-bar-interaction', interactionListener)

    const removeListeners = () => {
      this.removeListener('change', changeListener)
      this.removeListener('escape-item-change', escapeItemListener)
      window.removeListener('-touch-bar-interaction', interactionListener)
      window.removeListener('closed', removeListeners)
      window._touchBar = null
      delete this.windowListeners[id]
    }
    window.once('closed', removeListeners)
    this.windowListeners[id] = removeListeners

    window._setTouchBarItems(this.ordereredItems)
    escapeItemListener(this.escapeItem)
  }

  _removeFromWindow (window) {
    const removeListeners = this.windowListeners[window.id]
    if (removeListeners != null) removeListeners()
  }
}

class TouchBarItem extends EventEmitter {
  constructor () {
    super()
    this.id = `${nextItemID++}`
  }

  _addLiveProperty (name, initialValue) {
    const privateName = `_${name}`
    this[privateName] = initialValue
    Object.defineProperty(this, name, {
      get: function () {
        return this[privateName]
      },
      set: function (value) {
        this[privateName] = value
        this.emit('change', this)
      },
      enumerable: true
    })
  }
}

TouchBar.TouchBarButton = class TouchBarButton extends TouchBarItem {
  constructor (config) {
    super()
    if (config == null) config = {}
    this.type = 'button'
    const {click, icon, iconPosition, label, backgroundColor} = config
    this._addLiveProperty('label', label)
    this._addLiveProperty('backgroundColor', backgroundColor)
    this._addLiveProperty('icon', icon)
    this._addLiveProperty('iconPosition', iconPosition)
    if (typeof click === 'function') {
      this.onInteraction = () => {
        config.click()
      }
    }
  }
}

TouchBar.TouchBarColorPicker = class TouchBarColorPicker extends TouchBarItem {
  constructor (config) {
    super()
    if (config == null) config = {}
    this.type = 'colorpicker'
    const {availableColors, change, selectedColor} = config
    this._addLiveProperty('availableColors', availableColors)
    this._addLiveProperty('selectedColor', selectedColor)

    if (typeof change === 'function') {
      this.onInteraction = (details) => {
        this._selectedColor = details.color
        change(details.color)
      }
    }
  }
}

TouchBar.TouchBarGroup = class TouchBarGroup extends TouchBarItem {
  constructor (config) {
    super()
    if (config == null) config = {}
    this.type = 'group'
    this.child = config.items
    if (!(this.child instanceof TouchBar)) {
      this.child = new TouchBar(this.child)
    }
  }
}

TouchBar.TouchBarLabel = class TouchBarLabel extends TouchBarItem {
  constructor (config) {
    super()
    if (config == null) config = {}
    this.type = 'label'
    this._addLiveProperty('label', config.label)
    this._addLiveProperty('textColor', config.textColor)
  }
}

TouchBar.TouchBarPopover = class TouchBarPopover extends TouchBarItem {
  constructor (config) {
    super()
    if (config == null) config = {}
    this.type = 'popover'
    this._addLiveProperty('label', config.label)
    this._addLiveProperty('icon', config.icon)
    this.showCloseButton = config.showCloseButton
    this.child = config.items
    if (!(this.child instanceof TouchBar)) {
      this.child = new TouchBar(this.child)
    }
    this.child.ordereredItems.forEach((item) => {
      item._popover = item._popover || []
      if (!item._popover.includes(this.id)) item._popover.push(this.id)
    })
  }
}

TouchBar.TouchBarSlider = class TouchBarSlider extends TouchBarItem {
  constructor (config) {
    super()
    if (config == null) config = {}
    this.type = 'slider'
    const {change, label, minValue, maxValue, value} = config
    this._addLiveProperty('label', label)
    this._addLiveProperty('minValue', minValue)
    this._addLiveProperty('maxValue', maxValue)
    this._addLiveProperty('value', value)

    if (typeof change === 'function') {
      this.onInteraction = (details) => {
        this._value = details.value
        change(details.value)
      }
    }
  }
}

TouchBar.TouchBarSpacer = class TouchBarSpacer extends TouchBarItem {
  constructor (config) {
    super()
    if (config == null) config = {}
    this.type = 'spacer'
    this.size = config.size
  }
}

TouchBar.TouchBarSegmentedControl = class TouchBarSegmentedControl extends TouchBarItem {
  constructor (config) {
    super()
    if (config == null) config = {}
    const {segmentStyle, segments, selectedIndex, change, mode} = config
    this.type = 'segmented_control'
    this._addLiveProperty('segmentStyle', segmentStyle)
    this._addLiveProperty('segments', segments || [])
    this._addLiveProperty('selectedIndex', selectedIndex)
    this._addLiveProperty('mode', mode)

    if (typeof change === 'function') {
      this.onInteraction = (details) => {
        this._selectedIndex = details.selectedIndex
        change(details.selectedIndex, details.isSelected)
      }
    }
  }
}

TouchBar.TouchBarScrubber = class TouchBarScrubber extends TouchBarItem {
  constructor (config) {
    super()
    if (config == null) config = {}
    const {items, selectedStyle, overlayStyle, showArrowButtons, continuous, mode} = config
    let {select, highlight} = config
    this.type = 'scrubber'
    this._addLiveProperty('items', items)
    this._addLiveProperty('selectedStyle', selectedStyle || null)
    this._addLiveProperty('overlayStyle', overlayStyle || null)
    this._addLiveProperty('showArrowButtons', showArrowButtons || false)
    this._addLiveProperty('mode', mode || 'free')
    this._addLiveProperty('continuous', continuous || true)

    if (typeof select === 'function' || typeof highlight === 'function') {
      if (select == null) select = () => {}
      if (highlight == null) highlight = () => {}
      this.onInteraction = (details) => {
        if (details.type === 'select') {
          select(details.selectedIndex)
        } else if (details.type === 'highlight') {
          highlight(details.highlightedIndex)
        }
      }
    }
  }
}

module.exports = TouchBar
const {EventEmitter} = require('events')
const {Tray} = process.atomBinding('tray')

Object.setPrototypeOf(Tray.prototype, EventEmitter.prototype)

module.exports = Tray
'use strict'

const {EventEmitter} = require('events')
const electron = require('electron')
const {app, ipcMain, session, NavigationController} = electron

// session is not used here, the purpose is to make sure session is initalized
// before the webContents module.
session

let nextId = 0
const getNextId = function () {
  return ++nextId
}

// Stock page sizes
const PDFPageSizes = {
  A5: {
    custom_display_name: 'A5',
    height_microns: 210000,
    name: 'ISO_A5',
    width_microns: 148000
  },
  A4: {
    custom_display_name: 'A4',
    height_microns: 297000,
    name: 'ISO_A4',
    is_default: 'true',
    width_microns: 210000
  },
  A3: {
    custom_display_name: 'A3',
    height_microns: 420000,
    name: 'ISO_A3',
    width_microns: 297000
  },
  Legal: {
    custom_display_name: 'Legal',
    height_microns: 355600,
    name: 'NA_LEGAL',
    width_microns: 215900
  },
  Letter: {
    custom_display_name: 'Letter',
    height_microns: 279400,
    name: 'NA_LETTER',
    width_microns: 215900
  },
  Tabloid: {
    height_microns: 431800,
    name: 'NA_LEDGER',
    width_microns: 279400,
    custom_display_name: 'Tabloid'
  }
}

// Default printing setting
const defaultPrintingSetting = {
  pageRage: [],
  mediaSize: {},
  landscape: false,
  color: 2,
  headerFooterEnabled: false,
  marginsType: 0,
  isFirstRequest: false,
  requestID: getNextId(),
  previewModifiable: true,
  printToPDF: true,
  printWithCloudPrint: false,
  printWithPrivet: false,
  printWithExtension: false,
  deviceName: 'Save as PDF',
  generateDraftData: true,
  fitToPageEnabled: false,
  scaleFactor: 1,
  rasterizePDF: false,
  duplex: 0,
  copies: 1,
  collate: true,
  shouldPrintBackgrounds: false,
  shouldPrintSelectionOnly: false
}

// JavaScript implementations of WebContents.
const binding = process.atomBinding('web_contents')
const {WebContents} = binding

Object.setPrototypeOf(NavigationController.prototype, EventEmitter.prototype)
Object.setPrototypeOf(WebContents.prototype, NavigationController.prototype)

// WebContents::send(channel, args..)
// WebContents::sendToAll(channel, args..)
WebContents.prototype.send = function (channel, ...args) {
  if (channel == null) throw new Error('Missing required channel argument')
  return this._send(false, channel, args)
}
WebContents.prototype.sendToAll = function (channel, ...args) {
  if (channel == null) throw new Error('Missing required channel argument')
  return this._send(true, channel, args)
}

// Following methods are mapped to webFrame.
const webFrameMethods = [
  'insertCSS',
  'insertText',
  'setLayoutZoomLevelLimits',
  'setVisualZoomLevelLimits',
  // TODO(kevinsawicki): Remove in 2.0, deprecate before then with warnings
  'setZoomLevelLimits'
]
const webFrameMethodsWithResult = []

const asyncWebFrameMethods = function (requestId, method, callback, ...args) {
  return new Promise((resolve, reject) => {
    this.send('ELECTRON_INTERNAL_RENDERER_ASYNC_WEB_FRAME_METHOD', requestId, method, args)
    ipcMain.once(`ELECTRON_INTERNAL_BROWSER_ASYNC_WEB_FRAME_RESPONSE_${requestId}`, function (event, error, result) {
      if (error == null) {
        if (typeof callback === 'function') callback(result)
        resolve(result)
      } else {
        reject(error)
      }
    })
  })
}

const syncWebFrameMethods = function (requestId, method, callback, ...args) {
  this.send('ELECTRON_INTERNAL_RENDERER_SYNC_WEB_FRAME_METHOD', requestId, method, args)
  ipcMain.once(`ELECTRON_INTERNAL_BROWSER_SYNC_WEB_FRAME_RESPONSE_${requestId}`, function (event, result) {
    if (callback) callback(result)
  })
}

for (const method of webFrameMethods) {
  WebContents.prototype[method] = function (...args) {
    this.send('ELECTRON_INTERNAL_RENDERER_WEB_FRAME_METHOD', method, args)
  }
}

for (const method of webFrameMethodsWithResult) {
  WebContents.prototype[method] = function (...args) {
    const callback = args[args.length - 1]
    const actualArgs = args.slice(0, args.length - 2)
    syncWebFrameMethods.call(this, getNextId(), method, callback, ...actualArgs)
  }
}

// Make sure WebContents::executeJavaScript would run the code only when the
// WebContents has been loaded.
WebContents.prototype.executeJavaScript = function (code, hasUserGesture, callback) {
  const requestId = getNextId()

  if (typeof hasUserGesture === 'function') {
    // Shift.
    callback = hasUserGesture
    hasUserGesture = null
  }

  if (hasUserGesture == null) {
    hasUserGesture = false
  }

  if (this.getURL() && !this.isLoadingMainFrame()) {
    return asyncWebFrameMethods.call(this, requestId, 'executeJavaScript', callback, code, hasUserGesture)
  } else {
    return new Promise((resolve, reject) => {
      this.once('did-finish-load', () => {
        asyncWebFrameMethods.call(this, requestId, 'executeJavaScript', callback, code, hasUserGesture).then(resolve).catch(reject)
      })
    })
  }
}

// Translate the options of printToPDF.
WebContents.prototype.printToPDF = function (options, callback) {
  const printingSetting = Object.assign({}, defaultPrintingSetting)
  if (options.landscape) {
    printingSetting.landscape = options.landscape
  }
  if (options.marginsType) {
    printingSetting.marginsType = options.marginsType
  }
  if (options.printSelectionOnly) {
    printingSetting.shouldPrintSelectionOnly = options.printSelectionOnly
  }
  if (options.printBackground) {
    printingSetting.shouldPrintBackgrounds = options.printBackground
  }

  if (options.pageSize) {
    const pageSize = options.pageSize
    if (typeof pageSize === 'object') {
      if (!pageSize.height || !pageSize.width) {
        return callback(new Error('Must define height and width for pageSize'))
      }
      // Dimensions in Microns
      // 1 meter = 10^6 microns
      printingSetting.mediaSize = {
        name: 'CUSTOM',
        custom_display_name: 'Custom',
        height_microns: pageSize.height,
        width_microns: pageSize.width
      }
    } else if (PDFPageSizes[pageSize]) {
      printingSetting.mediaSize = PDFPageSizes[pageSize]
    } else {
      return callback(new Error(`Does not support pageSize with ${pageSize}`))
    }
  } else {
    printingSetting.mediaSize = PDFPageSizes['A4']
  }

  this._printToPDF(printingSetting, callback)
}

WebContents.prototype.getZoomLevel = function (callback) {
  if (typeof callback !== 'function') {
    throw new Error('Must pass function as an argument')
  }
  process.nextTick(() => {
    const zoomLevel = this._getZoomLevel()
    callback(zoomLevel)
  })
}

WebContents.prototype.getZoomFactor = function (callback) {
  if (typeof callback !== 'function') {
    throw new Error('Must pass function as an argument')
  }
  process.nextTick(() => {
    const zoomFactor = this._getZoomFactor()
    callback(zoomFactor)
  })
}

// Add JavaScript wrappers for WebContents class.
WebContents.prototype._init = function () {
  // The navigation controller.
  NavigationController.call(this, this)

  // Every remote callback from renderer process would add a listenter to the
  // render-view-deleted event, so ignore the listenters warning.
  this.setMaxListeners(0)

  // Dispatch IPC messages to the ipc module.
  this.on('ipc-message', function (event, [channel, ...args]) {
    ipcMain.emit(channel, event, ...args)
  })
  this.on('ipc-message-sync', function (event, [channel, ...args]) {
    Object.defineProperty(event, 'returnValue', {
      set: function (value) {
        return event.sendReply(JSON.stringify(value))
      },
      get: function () {}
    })
    ipcMain.emit(channel, event, ...args)
  })

  // Handle context menu action request from pepper plugin.
  this.on('pepper-context-menu', function (event, params) {
    // Access Menu via electron.Menu to prevent circular require
    const menu = electron.Menu.buildFromTemplate(params.menu)
    menu.popup(event.sender.getOwnerBrowserWindow(), params.x, params.y)
  })

  // The devtools requests the webContents to reload.
  this.on('devtools-reload-page', function () {
    this.reload()
  })

  app.emit('web-contents-created', {}, this)
}

// JavaScript wrapper of Debugger.
const {Debugger} = process.atomBinding('debugger')

Object.setPrototypeOf(Debugger.prototype, EventEmitter.prototype)

// Public APIs.
module.exports = {
  create (options = {}) {
    return binding.create(options)
  },

  fromId (id) {
    return binding.fromId(id)
  },

  getFocusedWebContents () {
    let focused = null
    for (let contents of binding.getAllWebContents()) {
      if (!contents.isFocused()) continue
      if (focused == null) focused = contents
      // Return webview web contents which may be embedded inside another
      // web contents that is also reporting as focused
      if (contents.getType() === 'webview') return contents
    }
    return focused
  },

  getAllWebContents () {
    return binding.getAllWebContents()
  }
}
const {app, ipcMain, webContents, BrowserWindow} = require('electron')
const {getAllWebContents} = process.atomBinding('web_contents')
const renderProcessPreferences = process.atomBinding('render_process_preferences').forAllWebContents()

const {Buffer} = require('buffer')
const fs = require('fs')
const path = require('path')
const url = require('url')

// TODO(zcbenz): Remove this when we have Object.values().
const objectValues = function (object) {
  return Object.keys(object).map(function (key) { return object[key] })
}

// Mapping between extensionId(hostname) and manifest.
const manifestMap = {}  // extensionId => manifest
const manifestNameMap = {}  // name => manifest

const generateExtensionIdFromName = function (name) {
  return name.replace(/[\W_]+/g, '-').toLowerCase()
}

const isWindowOrWebView = function (webContents) {
  const type = webContents.getType()
  return type === 'window' || type === 'webview'
}

// Create or get manifest object from |srcDirectory|.
const getManifestFromPath = function (srcDirectory) {
  let manifest
  let manifestContent

  try {
    manifestContent = fs.readFileSync(path.join(srcDirectory, 'manifest.json'))
  } catch (readError) {
    console.warn(`Reading ${path.join(srcDirectory, 'manifest.json')} failed.`)
    console.warn(readError.stack || readError)
    throw readError
  }

  try {
    manifest = JSON.parse(manifestContent)
  } catch (parseError) {
    console.warn(`Parsing ${path.join(srcDirectory, 'manifest.json')} failed.`)
    console.warn(parseError.stack || parseError)
    throw parseError
  }

  if (!manifestNameMap[manifest.name]) {
    const extensionId = generateExtensionIdFromName(manifest.name)
    manifestMap[extensionId] = manifestNameMap[manifest.name] = manifest
    Object.assign(manifest, {
      srcDirectory: srcDirectory,
      extensionId: extensionId,
      // We can not use 'file://' directly because all resources in the extension
      // will be treated as relative to the root in Chrome.
      startPage: url.format({
        protocol: 'chrome-extension',
        slashes: true,
        hostname: extensionId,
        pathname: manifest.devtools_page
      })
    })
    return manifest
  } else if (manifest && manifest.name) {
    console.warn(`Attempted to load extension "${manifest.name}" that has already been loaded.`)
  }
}

// Manage the background pages.
const backgroundPages = {}

const startBackgroundPages = function (manifest) {
  if (backgroundPages[manifest.extensionId] || !manifest.background) return

  let html
  let name
  if (manifest.background.page) {
    name = manifest.background.page
    html = fs.readFileSync(path.join(manifest.srcDirectory, manifest.background.page))
  } else {
    name = '_generated_background_page.html'
    const scripts = manifest.background.scripts.map((name) => {
      return `<script src="${name}"></script>`
    }).join('')
    html = new Buffer(`<html><body>${scripts}</body></html>`)
  }

  const contents = webContents.create({
    partition: 'persist:__chrome_extension',
    isBackgroundPage: true,
    commandLineSwitches: ['--background-page']
  })
  backgroundPages[manifest.extensionId] = { html: html, webContents: contents, name: name }
  contents.loadURL(url.format({
    protocol: 'chrome-extension',
    slashes: true,
    hostname: manifest.extensionId,
    pathname: name
  }))
}

const removeBackgroundPages = function (manifest) {
  if (!backgroundPages[manifest.extensionId]) return

  backgroundPages[manifest.extensionId].webContents.destroy()
  delete backgroundPages[manifest.extensionId]
}

const sendToBackgroundPages = function (...args) {
  for (const page of objectValues(backgroundPages)) {
    page.webContents.sendToAll(...args)
  }
}

// Dispatch web contents events to Chrome APIs
const hookWebContentsEvents = function (webContents) {
  const tabId = webContents.id

  sendToBackgroundPages('CHROME_TABS_ONCREATED')

  webContents.on('will-navigate', (event, url) => {
    sendToBackgroundPages('CHROME_WEBNAVIGATION_ONBEFORENAVIGATE', {
      frameId: 0,
      parentFrameId: -1,
      processId: webContents.getProcessId(),
      tabId: tabId,
      timeStamp: Date.now(),
      url: url
    })
  })

  webContents.on('did-navigate', (event, url) => {
    sendToBackgroundPages('CHROME_WEBNAVIGATION_ONCOMPLETED', {
      frameId: 0,
      parentFrameId: -1,
      processId: webContents.getProcessId(),
      tabId: tabId,
      timeStamp: Date.now(),
      url: url
    })
  })

  webContents.once('destroyed', () => {
    sendToBackgroundPages('CHROME_TABS_ONREMOVED', tabId)
  })
}

// Handle the chrome.* API messages.
let nextId = 0

ipcMain.on('CHROME_RUNTIME_CONNECT', function (event, extensionId, connectInfo) {
  const page = backgroundPages[extensionId]
  if (!page) {
    console.error(`Connect to unknown extension ${extensionId}`)
    return
  }

  const portId = ++nextId
  event.returnValue = {tabId: page.webContents.id, portId: portId}

  event.sender.once('render-view-deleted', () => {
    if (page.webContents.isDestroyed()) return
    page.webContents.sendToAll(`CHROME_PORT_DISCONNECT_${portId}`)
  })
  page.webContents.sendToAll(`CHROME_RUNTIME_ONCONNECT_${extensionId}`, event.sender.id, portId, connectInfo)
})

ipcMain.on('CHROME_I18N_MANIFEST', function (event, extensionId) {
  event.returnValue = manifestMap[extensionId]
})

let resultID = 1
ipcMain.on('CHROME_RUNTIME_SENDMESSAGE', function (event, extensionId, message, originResultID) {
  const page = backgroundPages[extensionId]
  if (!page) {
    console.error(`Connect to unknown extension ${extensionId}`)
    return
  }

  page.webContents.sendToAll(`CHROME_RUNTIME_ONMESSAGE_${extensionId}`, event.sender.id, message, resultID)
  ipcMain.once(`CHROME_RUNTIME_ONMESSAGE_RESULT_${resultID}`, (event, result) => {
    event.sender.send(`CHROME_RUNTIME_SENDMESSAGE_RESULT_${originResultID}`, result)
  })
  resultID++
})

ipcMain.on('CHROME_TABS_SEND_MESSAGE', function (event, tabId, extensionId, isBackgroundPage, message, originResultID) {
  const contents = webContents.fromId(tabId)
  if (!contents) {
    console.error(`Sending message to unknown tab ${tabId}`)
    return
  }

  const senderTabId = isBackgroundPage ? null : event.sender.id

  contents.sendToAll(`CHROME_RUNTIME_ONMESSAGE_${extensionId}`, senderTabId, message, resultID)
  ipcMain.once(`CHROME_RUNTIME_ONMESSAGE_RESULT_${resultID}`, (event, result) => {
    event.sender.send(`CHROME_TABS_SEND_MESSAGE_RESULT_${originResultID}`, result)
  })
  resultID++
})

ipcMain.on('CHROME_TABS_EXECUTESCRIPT', function (event, requestId, tabId, extensionId, details) {
  const contents = webContents.fromId(tabId)
  if (!contents) {
    console.error(`Sending message to unknown tab ${tabId}`)
    return
  }

  let code, url
  if (details.file) {
    const manifest = manifestMap[extensionId]
    code = String(fs.readFileSync(path.join(manifest.srcDirectory, details.file)))
    url = `chrome-extension://${extensionId}${details.file}`
  } else {
    code = details.code
    url = `chrome-extension://${extensionId}/${String(Math.random()).substr(2, 8)}.js`
  }

  contents.send('CHROME_TABS_EXECUTESCRIPT', event.sender.id, requestId, extensionId, url, code)
})

// Transfer the content scripts to renderer.
const contentScripts = {}

const injectContentScripts = function (manifest) {
  if (contentScripts[manifest.name] || !manifest.content_scripts) return

  const readArrayOfFiles = function (relativePath) {
    return {
      url: `chrome-extension://${manifest.extensionId}/${relativePath}`,
      code: String(fs.readFileSync(path.join(manifest.srcDirectory, relativePath)))
    }
  }

  const contentScriptToEntry = function (script) {
    return {
      matches: script.matches,
      js: script.js.map(readArrayOfFiles),
      runAt: script.run_at || 'document_idle'
    }
  }

  try {
    const entry = {
      extensionId: manifest.extensionId,
      contentScripts: manifest.content_scripts.map(contentScriptToEntry)
    }
    contentScripts[manifest.name] = renderProcessPreferences.addEntry(entry)
  } catch (e) {
    console.error('Failed to read content scripts', e)
  }
}

const removeContentScripts = function (manifest) {
  if (!contentScripts[manifest.name]) return

  renderProcessPreferences.removeEntry(contentScripts[manifest.name])
  delete contentScripts[manifest.name]
}

// Transfer the |manifest| to a format that can be recognized by the
// |DevToolsAPI.addExtensions|.
const manifestToExtensionInfo = function (manifest) {
  return {
    startPage: manifest.startPage,
    srcDirectory: manifest.srcDirectory,
    name: manifest.name,
    exposeExperimentalAPIs: true
  }
}

// Load the extensions for the window.
const loadExtension = function (manifest) {
  startBackgroundPages(manifest)
  injectContentScripts(manifest)
}

const loadDevToolsExtensions = function (win, manifests) {
  if (!win.devToolsWebContents) return

  manifests.forEach(loadExtension)

  const extensionInfoArray = manifests.map(manifestToExtensionInfo)
  win.devToolsWebContents.executeJavaScript(`DevToolsAPI.addExtensions(${JSON.stringify(extensionInfoArray)})`)
}

app.on('web-contents-created', function (event, webContents) {
  if (!isWindowOrWebView(webContents)) return

  hookWebContentsEvents(webContents)
  webContents.on('devtools-opened', function () {
    loadDevToolsExtensions(webContents, objectValues(manifestMap))
  })
})

// The chrome-extension: can map a extension URL request to real file path.
const chromeExtensionHandler = function (request, callback) {
  const parsed = url.parse(request.url)
  if (!parsed.hostname || !parsed.path) return callback()

  const manifest = manifestMap[parsed.hostname]
  if (!manifest) return callback()

  const page = backgroundPages[parsed.hostname]
  if (page && parsed.path === `/${page.name}`) {
    return callback({
      mimeType: 'text/html',
      data: page.html
    })
  }

  fs.readFile(path.join(manifest.srcDirectory, parsed.path), function (err, content) {
    if (err) {
      return callback(-6)  // FILE_NOT_FOUND
    } else {
      return callback(content)
    }
  })
}

app.on('session-created', function (ses) {
  ses.protocol.registerBufferProtocol('chrome-extension', chromeExtensionHandler, function (error) {
    if (error) {
      console.error(`Unable to register chrome-extension protocol: ${error}`)
    }
  })
})

// The persistent path of "DevTools Extensions" preference file.
let loadedExtensionsPath = null

app.on('will-quit', function () {
  try {
    const loadedExtensions = objectValues(manifestMap).map(function (manifest) {
      return manifest.srcDirectory
    })
    if (loadedExtensions.length > 0) {
      try {
        fs.mkdirSync(path.dirname(loadedExtensionsPath))
      } catch (error) {
        // Ignore error
      }
      fs.writeFileSync(loadedExtensionsPath, JSON.stringify(loadedExtensions))
    } else {
      fs.unlinkSync(loadedExtensionsPath)
    }
  } catch (error) {
    // Ignore error
  }
})

// We can not use protocol or BrowserWindow until app is ready.
app.once('ready', function () {
  // Load persisted extensions.
  loadedExtensionsPath = path.join(app.getPath('userData'), 'DevTools Extensions')
  try {
    const loadedExtensions = JSON.parse(fs.readFileSync(loadedExtensionsPath))
    if (Array.isArray(loadedExtensions)) {
      for (const srcDirectory of loadedExtensions) {
        // Start background pages and set content scripts.
        const manifest = getManifestFromPath(srcDirectory)
        loadExtension(manifest)
      }
    }
  } catch (error) {
    // Ignore error
  }

  // The public API to add/remove extensions.
  BrowserWindow.addDevToolsExtension = function (srcDirectory) {
    const manifest = getManifestFromPath(srcDirectory)
    if (manifest) {
      loadExtension(manifest)
      for (const webContents of getAllWebContents()) {
        if (isWindowOrWebView(webContents)) {
          loadDevToolsExtensions(webContents, [manifest])
        }
      }
      return manifest.name
    }
  }

  BrowserWindow.removeDevToolsExtension = function (name) {
    const manifest = manifestNameMap[name]
    if (!manifest) return

    removeBackgroundPages(manifest)
    removeContentScripts(manifest)
    delete manifestMap[manifest.extensionId]
    delete manifestNameMap[name]
  }

  BrowserWindow.getDevToolsExtensions = function () {
    const extensions = {}
    Object.keys(manifestNameMap).forEach(function (name) {
      const manifest = manifestNameMap[name]
      extensions[name] = {name: manifest.name, version: manifest.version}
    })
    return extensions
  }
})
'use strict'

const ipcMain = require('electron').ipcMain
const desktopCapturer = process.atomBinding('desktop_capturer').desktopCapturer

var deepEqual = function (opt1, opt2) {
  return JSON.stringify(opt1) === JSON.stringify(opt2)
}

// A queue for holding all requests from renderer process.
var requestsQueue = []

ipcMain.on('ELECTRON_BROWSER_DESKTOP_CAPTURER_GET_SOURCES', function (event, captureWindow, captureScreen, thumbnailSize, id) {
  var request
  request = {
    id: id,
    options: {
      captureWindow: captureWindow,
      captureScreen: captureScreen,
      thumbnailSize: thumbnailSize
    },
    webContents: event.sender
  }
  requestsQueue.push(request)
  if (requestsQueue.length === 1) {
    desktopCapturer.startHandling(captureWindow, captureScreen, thumbnailSize)
  }

  // If the WebContents is destroyed before receiving result, just remove the
  // reference from requestsQueue to make the module not send the result to it.
  event.sender.once('destroyed', function () {
    request.webContents = null
  })
})

desktopCapturer.emit = function (event, name, sources) {
  // Receiving sources result from main process, now send them back to renderer.
  var handledRequest, i, len, ref, ref1, request, result, source, unhandledRequestsQueue
  handledRequest = requestsQueue.shift(0)
  result = (function () {
    var i, len, results
    results = []
    for (i = 0, len = sources.length; i < len; i++) {
      source = sources[i]
      results.push({
        id: source.id,
        name: source.name,
        thumbnail: source.thumbnail.toDataURL()
      })
    }
    return results
  })()
  if ((ref = handledRequest.webContents) != null) {
    ref.send('ELECTRON_RENDERER_DESKTOP_CAPTURER_RESULT_' + handledRequest.id, result)
  }

  // Check the queue to see whether there is other same request. If has, handle
  // it for reducing redunplicated `desktopCaptuer.startHandling` calls.
  unhandledRequestsQueue = []
  for (i = 0, len = requestsQueue.length; i < len; i++) {
    request = requestsQueue[i]
    if (deepEqual(handledRequest.options, request.options)) {
      if ((ref1 = request.webContents) != null) {
        ref1.send('ELECTRON_RENDERER_DESKTOP_CAPTURER_RESULT_' + request.id, result)
      }
    } else {
      unhandledRequestsQueue.push(request)
    }
  }
  requestsQueue = unhandledRequestsQueue

  // If the requestsQueue is not empty, start a new request handling.
  if (requestsQueue.length > 0) {
    const {captureWindow, captureScreen, thumbnailSize} = requestsQueue[0].options
    return desktopCapturer.startHandling(captureWindow, captureScreen, thumbnailSize)
  }
}
'use strict'

const {ipcMain, webContents} = require('electron')
const parseFeaturesString = require('../common/parse-features-string')

// Doesn't exist in early initialization.
let webViewManager = null

const supportedWebViewEvents = [
  'load-commit',
  'did-attach',
  'did-finish-load',
  'did-fail-load',
  'did-frame-finish-load',
  'did-start-loading',
  'did-stop-loading',
  'did-get-response-details',
  'did-get-redirect-request',
  'dom-ready',
  'console-message',
  'context-menu',
  'devtools-opened',
  'devtools-closed',
  'devtools-focused',
  'new-window',
  'will-navigate',
  'did-navigate',
  'did-navigate-in-page',
  'close',
  'crashed',
  'gpu-crashed',
  'plugin-crashed',
  'destroyed',
  'page-title-updated',
  'page-favicon-updated',
  'enter-html-full-screen',
  'leave-html-full-screen',
  'media-started-playing',
  'media-paused',
  'found-in-page',
  'did-change-theme-color',
  'update-target-url'
]

let nextGuestInstanceId = 0
const guestInstances = {}
const embedderElementsMap = {}

// Moves the last element of array to the first one.
const moveLastToFirst = function (list) {
  list.unshift(list.pop())
}

// Generate guestInstanceId.
const getNextGuestInstanceId = function () {
  return ++nextGuestInstanceId
}

// Create a new guest instance.
const createGuest = function (embedder, params) {
  if (webViewManager == null) {
    webViewManager = process.atomBinding('web_view_manager')
  }

  const guestInstanceId = getNextGuestInstanceId(embedder)
  const guest = webContents.create({
    isGuest: true,
    partition: params.partition,
    embedder: embedder
  })
  guestInstances[guestInstanceId] = {
    guest: guest,
    embedder: embedder
  }

  watchEmbedder(embedder)

  // Init guest web view after attached.
  guest.on('did-attach', function () {
    params = this.attachParams
    delete this.attachParams

    const previouslyAttached = this.viewInstanceId != null
    this.viewInstanceId = params.instanceId

    // Only load URL and set size on first attach
    if (previouslyAttached) {
      return
    }

    this.setSize({
      normal: {
        width: params.elementWidth,
        height: params.elementHeight
      },
      enableAutoSize: params.autosize,
      min: {
        width: params.minwidth,
        height: params.minheight
      },
      max: {
        width: params.maxwidth,
        height: params.maxheight
      }
    })
    if (params.src) {
      const opts = {}
      if (params.httpreferrer) {
        opts.httpReferrer = params.httpreferrer
      }
      if (params.useragent) {
        opts.userAgent = params.useragent
      }
      this.loadURL(params.src, opts)
    }
    guest.allowPopups = params.allowpopups
  })

  const sendToEmbedder = (channel, ...args) => {
    const embedder = getEmbedder(guestInstanceId)
    if (embedder != null) {
      embedder.send(`${channel}-${guest.viewInstanceId}`, ...args)
    }
  }

  // Dispatch events to embedder.
  const fn = function (event) {
    guest.on(event, function (_, ...args) {
      sendToEmbedder('ELECTRON_GUEST_VIEW_INTERNAL_DISPATCH_EVENT', event, ...args)
    })
  }
  for (const event of supportedWebViewEvents) {
    fn(event)
  }

  // Dispatch guest's IPC messages to embedder.
  guest.on('ipc-message-host', function (_, [channel, ...args]) {
    sendToEmbedder('ELECTRON_GUEST_VIEW_INTERNAL_IPC_MESSAGE', channel, ...args)
  })

  // Autosize.
  guest.on('size-changed', function (_, ...args) {
    sendToEmbedder('ELECTRON_GUEST_VIEW_INTERNAL_SIZE_CHANGED', ...args)
  })

  return guestInstanceId
}

// Attach the guest to an element of embedder.
const attachGuest = function (event, elementInstanceId, guestInstanceId, params) {
  const embedder = event.sender
  // Destroy the old guest when attaching.
  const key = `${embedder.getId()}-${elementInstanceId}`
  const oldGuestInstanceId = embedderElementsMap[key]
  if (oldGuestInstanceId != null) {
    // Reattachment to the same guest is just a no-op.
    if (oldGuestInstanceId === guestInstanceId) {
      return
    }

    destroyGuest(embedder, oldGuestInstanceId)
  }

  const guestInstance = guestInstances[guestInstanceId]
  // If this isn't a valid guest instance then do nothing.
  if (!guestInstance) {
    return
  }
  const {guest} = guestInstance

  // If this guest is already attached to an element then remove it
  if (guestInstance.elementInstanceId) {
    const oldKey = `${guestInstance.embedder.getId()}-${guestInstance.elementInstanceId}`
    delete embedderElementsMap[oldKey]

    // Remove guest from embedder if moving across web views
    if (guest.viewInstanceId !== params.instanceId) {
      webViewManager.removeGuest(guestInstance.embedder, guestInstanceId)
      guestInstance.embedder.send(`ELECTRON_GUEST_VIEW_INTERNAL_DESTROY_GUEST-${guest.viewInstanceId}`)
    }
  }

  const webPreferences = {
    guestInstanceId: guestInstanceId,
    nodeIntegration: params.nodeintegration != null ? params.nodeintegration : false,
    plugins: params.plugins,
    zoomFactor: embedder._getZoomFactor(),
    webSecurity: !params.disablewebsecurity,
    blinkFeatures: params.blinkfeatures,
    disableBlinkFeatures: params.disableblinkfeatures
  }

  // parse the 'webpreferences' attribute string, if set
  // this uses the same parsing rules as window.open uses for its features
  if (typeof params.webpreferences === 'string') {
    parseFeaturesString(params.webpreferences, function (key, value) {
      if (value === undefined) {
        // no value was specified, default it to true
        value = true
      }
      webPreferences[key] = value
    })
  }

  if (params.preload) {
    webPreferences.preloadURL = params.preload
  }

  embedder.emit('will-attach-webview', event, webPreferences, params)
  if (event.defaultPrevented) {
    if (guest.viewInstanceId == null) guest.viewInstanceId = params.instanceId
    destroyGuest(embedder, guestInstanceId)
    return
  }

  webViewManager.addGuest(guestInstanceId, elementInstanceId, embedder, guest, webPreferences)
  guest.attachParams = params
  embedderElementsMap[key] = guestInstanceId

  guest.setEmbedder(embedder)
  guestInstance.embedder = embedder
  guestInstance.elementInstanceId = elementInstanceId

  watchEmbedder(embedder)
}

// Destroy an existing guest instance.
const destroyGuest = function (embedder, guestInstanceId) {
  if (!(guestInstanceId in guestInstances)) {
    return
  }

  const guestInstance = guestInstances[guestInstanceId]
  if (embedder !== guestInstance.embedder) {
    return
  }

  webViewManager.removeGuest(embedder, guestInstanceId)
  guestInstance.guest.destroy()
  delete guestInstances[guestInstanceId]

  const key = `${embedder.getId()}-${guestInstance.elementInstanceId}`
  delete embedderElementsMap[key]
}

// Once an embedder has had a guest attached we watch it for destruction to
// destroy any remaining guests.
const watchedEmbedders = new Set()
const watchEmbedder = function (embedder) {
  if (watchedEmbedders.has(embedder)) {
    return
  }
  watchedEmbedders.add(embedder)

  // Forward embedder window visiblity change events to guest
  const onVisibilityChange = function (visibilityState) {
    for (const guestInstanceId of Object.keys(guestInstances)) {
      const guestInstance = guestInstances[guestInstanceId]
      if (guestInstance.embedder === embedder) {
        guestInstance.guest.send('ELECTRON_RENDERER_WINDOW_VISIBILITY_CHANGE', visibilityState)
      }
    }
  }
  embedder.on('-window-visibility-change', onVisibilityChange)

  const destroyEvents = ['will-destroy', 'crashed', 'did-navigate']
  const destroy = function () {
    for (const guestInstanceId of Object.keys(guestInstances)) {
      if (guestInstances[guestInstanceId].embedder === embedder) {
        destroyGuest(embedder, parseInt(guestInstanceId))
      }
    }

    for (const event of destroyEvents) {
      embedder.removeListener(event, destroy)
    }
    embedder.removeListener('-window-visibility-change', onVisibilityChange)

    watchedEmbedders.delete(embedder)
  }

  for (const event of destroyEvents) {
    embedder.once(event, destroy)

    // Users might also listen to the crashed event, so we must ensure the guest
    // is destroyed before users' listener gets called. It is done by moving our
    // listener to the first one in queue.
    const listeners = embedder._events[event]
    if (Array.isArray(listeners)) {
      moveLastToFirst(listeners)
    }
  }
}

ipcMain.on('ELECTRON_GUEST_VIEW_MANAGER_CREATE_GUEST', function (event, params, requestId) {
  event.sender.send(`ELECTRON_RESPONSE_${requestId}`, createGuest(event.sender, params))
})

ipcMain.on('ELECTRON_GUEST_VIEW_MANAGER_ATTACH_GUEST', function (event, elementInstanceId, guestInstanceId, params) {
  attachGuest(event, elementInstanceId, guestInstanceId, params)
})

ipcMain.on('ELECTRON_GUEST_VIEW_MANAGER_DESTROY_GUEST', function (event, guestInstanceId) {
  destroyGuest(event.sender, guestInstanceId)
})

ipcMain.on('ELECTRON_GUEST_VIEW_MANAGER_SET_SIZE', function (event, guestInstanceId, params) {
  const guest = getGuest(guestInstanceId)
  if (guest != null) guest.setSize(params)
})

// Returns WebContents from its guest id.
const getGuest = function (guestInstanceId) {
  const guestInstance = guestInstances[guestInstanceId]
  if (guestInstance != null) return guestInstance.guest
}

// Returns the embedder of the guest.
const getEmbedder = function (guestInstanceId) {
  const guestInstance = guestInstances[guestInstanceId]
  if (guestInstance != null) return guestInstance.embedder
}

exports.getGuest = getGuest
exports.getEmbedder = getEmbedder
'use strict'

const {BrowserWindow, ipcMain, webContents} = require('electron')
const {isSameOrigin} = process.atomBinding('v8_util')
const parseFeaturesString = require('../common/parse-features-string')

const hasProp = {}.hasOwnProperty
const frameToGuest = new Map()

// Copy attribute of |parent| to |child| if it is not defined in |child|.
const mergeOptions = function (child, parent, visited) {
  // Check for circular reference.
  if (visited == null) visited = new Set()
  if (visited.has(parent)) return

  visited.add(parent)
  for (const key in parent) {
    if (!hasProp.call(parent, key)) continue
    if (key in child) continue

    const value = parent[key]
    if (typeof value === 'object') {
      child[key] = mergeOptions({}, value, visited)
    } else {
      child[key] = value
    }
  }
  visited.delete(parent)

  return child
}

// Merge |options| with the |embedder|'s window's options.
const mergeBrowserWindowOptions = function (embedder, options) {
  if (options.webPreferences == null) {
    options.webPreferences = {}
  }
  if (embedder.browserWindowOptions != null) {
    // Inherit the original options if it is a BrowserWindow.
    mergeOptions(options, embedder.browserWindowOptions)
  } else {
    // Or only inherit web-preferences if it is a webview.
    mergeOptions(options.webPreferences, embedder.getWebPreferences())
  }

  // Disable node integration on child window if disabled on parent window
  if (embedder.getWebPreferences().nodeIntegration === false) {
    options.webPreferences.nodeIntegration = false
  }

  // Enable context isolation on child window if enabled on parent window
  if (embedder.getWebPreferences().contextIsolation === true) {
    options.webPreferences.contextIsolation = true
  }

  // Disable JavaScript on child window if disabled on parent window
  if (embedder.getWebPreferences().javascript === false) {
    options.webPreferences.javascript = false
  }

  // Sets correct openerId here to give correct options to 'new-window' event handler
  options.webPreferences.openerId = embedder.id

  return options
}

// Setup a new guest with |embedder|
const setupGuest = function (embedder, frameName, guest, options) {
  // When |embedder| is destroyed we should also destroy attached guest, and if
  // guest is closed by user then we should prevent |embedder| from double
  // closing guest.
  const guestId = guest.webContents.id
  const closedByEmbedder = function () {
    guest.removeListener('closed', closedByUser)
    guest.destroy()
  }
  const closedByUser = function () {
    embedder.send('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_CLOSED_' + guestId)
    embedder.removeListener('render-view-deleted', closedByEmbedder)
  }
  if (!options.webPreferences.sandbox) {
    // These events should only be handled when the guest window is opened by a
    // non-sandboxed renderer for two reasons:
    //
    // - `render-view-deleted` is emitted when the popup is closed by the user,
    //   and that will eventually result in NativeWindow::NotifyWindowClosed
    //   using a dangling pointer since `destroy()` would have been called by
    //   `closeByEmbedded`
    // - No need to emit `ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_CLOSED_` since
    //   there's no renderer code listening to it.,
    embedder.once('render-view-deleted', closedByEmbedder)
    guest.once('closed', closedByUser)
  }
  if (frameName) {
    frameToGuest.set(frameName, guest)
    guest.frameName = frameName
    guest.once('closed', function () {
      frameToGuest.delete(frameName)
    })
  }
  return guestId
}

// Create a new guest created by |embedder| with |options|.
const createGuest = function (embedder, url, frameName, options, postData) {
  let guest = frameToGuest.get(frameName)
  if (frameName && (guest != null)) {
    guest.loadURL(url)
    return guest.webContents.id
  }

  // Remember the embedder window's id.
  if (options.webPreferences == null) {
    options.webPreferences = {}
  }

  guest = new BrowserWindow(options)
  if (!options.webContents || url !== 'about:blank') {
    // We should not call `loadURL` if the window was constructed from an
    // existing webContents(window.open in a sandboxed renderer) and if the url
    // is not 'about:blank'.
    //
    // Navigating to the url when creating the window from an existing
    // webContents would not be necessary(it will navigate there anyway), but
    // apparently there's a bug that allows the child window to be scripted by
    // the opener, even when the child window is from another origin.
    //
    // That's why the second condition(url !== "about:blank") is required: to
    // force `OverrideSiteInstanceForNavigation` to be called and consequently
    // spawn a new renderer if the new window is targeting a different origin.
    //
    // If the URL is "about:blank", then it is very likely that the opener just
    // wants to synchronously script the popup, for example:
    //
    //     let popup = window.open()
    //     popup.document.body.write('<h1>hello</h1>')
    //
    // The above code would not work if a navigation to "about:blank" is done
    // here, since the window would be cleared of all changes in the next tick.
    const loadOptions = {}
    if (postData != null) {
      loadOptions.postData = postData
      loadOptions.extraHeaders = 'content-type: application/x-www-form-urlencoded'
      if (postData.length > 0) {
        const postDataFront = postData[0].bytes.toString()
        const boundary = /^--.*[^-\r\n]/.exec(postDataFront)
        if (boundary != null) {
          loadOptions.extraHeaders = `content-type: multipart/form-data; boundary=${boundary[0].substr(2)}`
        }
      }
    }
    guest.loadURL(url, loadOptions)
  }

  return setupGuest(embedder, frameName, guest, options)
}

const getGuestWindow = function (guestContents) {
  let guestWindow = BrowserWindow.fromWebContents(guestContents)
  if (guestWindow == null) {
    const hostContents = guestContents.hostWebContents
    if (hostContents != null) {
      guestWindow = BrowserWindow.fromWebContents(hostContents)
    }
  }
  return guestWindow
}

// Checks whether |sender| can access the |target|:
// 1. Check whether |sender| is the parent of |target|.
// 2. Check whether |sender| has node integration, if so it is allowed to
//    do anything it wants.
// 3. Check whether the origins match.
//
// However it allows a child window without node integration but with same
// origin to do anything it wants, when its opener window has node integration.
// The W3C does not have anything on this, but from my understanding of the
// security model of |window.opener|, this should be fine.
const canAccessWindow = function (sender, target) {
  return (target.getWebPreferences().openerId === sender.id) ||
         (sender.getWebPreferences().nodeIntegration === true) ||
         isSameOrigin(sender.getURL(), target.getURL())
}

// Routed window.open messages with raw options
ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_OPEN', (event, url, frameName, features) => {
  if (url == null || url === '') url = 'about:blank'
  if (frameName == null) frameName = ''
  if (features == null) features = ''

  const options = {}

  const ints = ['x', 'y', 'width', 'height', 'minWidth', 'maxWidth', 'minHeight', 'maxHeight', 'zoomFactor']
  const webPreferences = ['zoomFactor', 'nodeIntegration', 'preload', 'javascript', 'contextIsolation']
  const disposition = 'new-window'

  // Used to store additional features
  const additionalFeatures = []

  // Parse the features
  parseFeaturesString(features, function (key, value) {
    if (value === undefined) {
      additionalFeatures.push(key)
    } else {
      // Don't allow webPreferences to be set since it must be an object
      // that cannot be directly overridden
      if (key === 'webPreferences') return

      if (webPreferences.includes(key)) {
        if (options.webPreferences == null) {
          options.webPreferences = {}
        }
        options.webPreferences[key] = value
      } else {
        options[key] = value
      }
    }
  })
  if (options.left) {
    if (options.x == null) {
      options.x = options.left
    }
  }
  if (options.top) {
    if (options.y == null) {
      options.y = options.top
    }
  }
  if (options.title == null) {
    options.title = frameName
  }
  if (options.width == null) {
    options.width = 800
  }
  if (options.height == null) {
    options.height = 600
  }

  for (const name of ints) {
    if (options[name] != null) {
      options[name] = parseInt(options[name], 10)
    }
  }

  ipcMain.emit('ELECTRON_GUEST_WINDOW_MANAGER_INTERNAL_WINDOW_OPEN', event,
               url, frameName, disposition, options, additionalFeatures)
})

// Routed window.open messages with fully parsed options
ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_INTERNAL_WINDOW_OPEN', function (event, url, frameName,
                                                                  disposition, options,
                                                                  additionalFeatures, postData) {
  options = mergeBrowserWindowOptions(event.sender, options)
  event.sender.emit('new-window', event, url, frameName, disposition, options, additionalFeatures)
  const newGuest = event.newGuest
  if ((event.sender.isGuest() && !event.sender.allowPopups) || event.defaultPrevented) {
    if (newGuest !== undefined && newGuest !== null) {
      event.returnValue = setupGuest(event.sender, frameName, newGuest, options)
    } else {
      event.returnValue = null
    }
  } else {
    event.returnValue = createGuest(event.sender, url, frameName, options, postData)
  }
})

ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_CLOSE', function (event, guestId) {
  const guestContents = webContents.fromId(guestId)
  if (guestContents == null) return

  if (!canAccessWindow(event.sender, guestContents)) {
    console.error(`Blocked ${event.sender.getURL()} from closing its opener.`)
    return
  }

  const guestWindow = getGuestWindow(guestContents)
  if (guestWindow != null) guestWindow.destroy()
})

ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_METHOD', function (event, guestId, method, ...args) {
  const guestContents = webContents.fromId(guestId)
  if (guestContents == null) {
    event.returnValue = null
    return
  }

  if (!canAccessWindow(event.sender, guestContents)) {
    console.error(`Blocked ${event.sender.getURL()} from calling ${method} on its opener.`)
    event.returnValue = null
    return
  }

  const guestWindow = getGuestWindow(guestContents)
  if (guestWindow != null) {
    event.returnValue = guestWindow[method](...args)
  } else {
    event.returnValue = null
  }
})

ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_POSTMESSAGE', function (event, guestId, message, targetOrigin, sourceOrigin) {
  if (targetOrigin == null) {
    targetOrigin = '*'
  }

  const guestContents = webContents.fromId(guestId)
  if (guestContents == null) return

  // The W3C does not seem to have word on how postMessage should work when the
  // origins do not match, so we do not do |canAccessWindow| check here since
  // postMessage across origins is useful and not harmful.
  if (targetOrigin === '*' || isSameOrigin(guestContents.getURL(), targetOrigin)) {
    const sourceId = event.sender.id
    guestContents.send('ELECTRON_GUEST_WINDOW_POSTMESSAGE', sourceId, message, sourceOrigin)
  }
})

ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD', function (event, guestId, method, ...args) {
  const guestContents = webContents.fromId(guestId)
  if (guestContents == null) return

  if (canAccessWindow(event.sender, guestContents)) {
    guestContents[method](...args)
  } else {
    console.error(`Blocked ${event.sender.getURL()} from calling ${method} on its opener.`)
  }
})

ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD_SYNC', function (event, guestId, method, ...args) {
  const guestContents = webContents.fromId(guestId)
  if (guestContents == null) {
    event.returnValue = null
    return
  }

  if (canAccessWindow(event.sender, guestContents)) {
    event.returnValue = guestContents[method](...args)
  } else {
    console.error(`Blocked ${event.sender.getURL()} from calling ${method} on its opener.`)
    event.returnValue = null
  }
})
'use strict'

const {Buffer} = require('buffer')
const fs = require('fs')
const path = require('path')
const util = require('util')
const Module = require('module')
const v8 = require('v8')

// We modified the original process.argv to let node.js load the atom.js,
// we need to restore it here.
process.argv.splice(1, 1)

// Clear search paths.
require('../common/reset-search-paths')

// Import common settings.
require('../common/init')

var globalPaths = Module.globalPaths

// Expose public APIs.
globalPaths.push(path.join(__dirname, 'api', 'exports'))

if (process.platform === 'win32') {
  // Redirect node's console to use our own implementations, since node can not
  // handle console output when running as GUI program.
  var consoleLog = function (...args) {
    return process.log(util.format(...args) + '\n')
  }
  var streamWrite = function (chunk, encoding, callback) {
    if (Buffer.isBuffer(chunk)) {
      chunk = chunk.toString(encoding)
    }
    process.log(chunk)
    if (callback) {
      callback()
    }
    return true
  }
  console.log = console.error = console.warn = consoleLog
  process.stdout.write = process.stderr.write = streamWrite
}

// Don't quit on fatal error.
process.on('uncaughtException', function (error) {
  // Do nothing if the user has a custom uncaught exception handler.
  var dialog, message, ref, stack
  if (process.listeners('uncaughtException').length > 1) {
    return
  }

  // Show error in GUI.
  dialog = require('electron').dialog
  stack = (ref = error.stack) != null ? ref : error.name + ': ' + error.message
  message = 'Uncaught Exception:\n' + stack
  dialog.showErrorBox('A JavaScript error occurred in the main process', message)
})

// Emit 'exit' event on quit.
const {app} = require('electron')

app.on('quit', function (event, exitCode) {
  process.emit('exit', exitCode)
})

if (process.platform === 'win32') {
  // If we are a Squirrel.Windows-installed app, set app user model ID
  // so that users don't have to do this.
  //
  // Squirrel packages are always of the form:
  //
  // PACKAGE-NAME
  // - Update.exe
  // - app-VERSION
  //   - OUREXE.exe
  //
  // Squirrel itself will always set the shortcut's App User Model ID to the
  // form `com.squirrel.PACKAGE-NAME.OUREXE`. We need to call
  // app.setAppUserModelId with a matching identifier so that renderer processes
  // will inherit this value.
  const updateDotExe = path.join(path.dirname(process.execPath), '..', 'update.exe')

  if (fs.existsSync(updateDotExe)) {
    const packageDir = path.dirname(path.resolve(updateDotExe))
    const packageName = path.basename(packageDir).replace(/\s/g, '')
    const exeName = path.basename(process.execPath).replace(/\.exe$/i, '').replace(/\s/g, '')

    app.setAppUserModelId(`com.squirrel.${packageName}.${exeName}`)
  }
}

// Map process.exit to app.exit, which quits gracefully.
process.exit = app.exit

// Load the RPC server.
require('./rpc-server')

// Load the guest view manager.
require('./guest-view-manager')
require('./guest-window-manager')

// Now we try to load app's package.json.
let packagePath = null
let packageJson = null
const searchPaths = ['app', 'app.asar', 'default_app.asar']
for (packagePath of searchPaths) {
  try {
    packagePath = path.join(process.resourcesPath, packagePath)
    packageJson = require(path.join(packagePath, 'package.json'))
    break
  } catch (error) {
    continue
  }
}

if (packageJson == null) {
  process.nextTick(function () {
    return process.exit(1)
  })
  throw new Error('Unable to find a valid app')
}

// Set application's version.
if (packageJson.version != null) {
  app.setVersion(packageJson.version)
}

// Set application's name.
if (packageJson.productName != null) {
  app.setName(packageJson.productName)
} else if (packageJson.name != null) {
  app.setName(packageJson.name)
}

// Set application's desktop name.
if (packageJson.desktopName != null) {
  app.setDesktopName(packageJson.desktopName)
} else {
  app.setDesktopName((app.getName()) + '.desktop')
}

// Set v8 flags
if (packageJson.v8Flags != null) {
  v8.setFlagsFromString(packageJson.v8Flags)
}

// Set the user path according to application's name.
app.setPath('userData', path.join(app.getPath('appData'), app.getName()))
app.setPath('userCache', path.join(app.getPath('cache'), app.getName()))
app.setAppPath(packagePath)

// Load the chrome extension support.
require('./chrome-extension')

// Load internal desktop-capturer module.
require('./desktop-capturer')

// Load protocol module to ensure it is populated on app ready
require('./api/protocol')

// Set main startup script of the app.
const mainStartupScript = packageJson.main || 'index.js'

// Workaround for electron/electron#5050
if (process.platform === 'linux' && process.env.XDG_CURRENT_DESKTOP === 'Pantheon') {
  process.env.XDG_CURRENT_DESKTOP = 'Unity'
}

// Finally load app's main.js and transfer control to C++.
Module._load(path.join(packagePath, mainStartupScript), Module, true)
'use strict'

const v8Util = process.atomBinding('v8_util')

class ObjectsRegistry {
  constructor () {
    this.nextId = 0

    // Stores all objects by ref-counting.
    // (id) => {object, count}
    this.storage = {}

    // Stores the IDs of objects referenced by WebContents.
    // (webContentsId) => [id]
    this.owners = {}
  }

  // Register a new object and return its assigned ID. If the object is already
  // registered then the already assigned ID would be returned.
  add (webContents, obj) {
    // Get or assign an ID to the object.
    const id = this.saveToStorage(obj)

    // Add object to the set of referenced objects.
    const webContentsId = webContents.getId()
    let owner = this.owners[webContentsId]
    if (!owner) {
      owner = this.owners[webContentsId] = new Set()
      this.registerDeleteListener(webContents, webContentsId)
    }
    if (!owner.has(id)) {
      owner.add(id)
      // Increase reference count if not referenced before.
      this.storage[id].count++
    }
    return id
  }

  // Get an object according to its ID.
  get (id) {
    const pointer = this.storage[id]
    if (pointer != null) return pointer.object
  }

  // Dereference an object according to its ID.
  remove (webContentsId, id) {
    // Dereference from the storage.
    this.dereference(id)

    // Also remove the reference in owner.
    let owner = this.owners[webContentsId]
    if (owner) {
      owner.delete(id)
    }
  }

  // Clear all references to objects refrenced by the WebContents.
  clear (webContentsId) {
    let owner = this.owners[webContentsId]
    if (!owner) return

    for (let id of owner) this.dereference(id)

    delete this.owners[webContentsId]
  }

  // Private: Saves the object into storage and assigns an ID for it.
  saveToStorage (object) {
    let id = v8Util.getHiddenValue(object, 'atomId')
    if (!id) {
      id = ++this.nextId
      this.storage[id] = {
        count: 0,
        object: object
      }
      v8Util.setHiddenValue(object, 'atomId', id)
    }
    return id
  }

  // Private: Dereference the object from store.
  dereference (id) {
    let pointer = this.storage[id]
    if (pointer == null) {
      return
    }
    pointer.count -= 1
    if (pointer.count === 0) {
      v8Util.deleteHiddenValue(pointer.object, 'atomId')
      delete this.storage[id]
    }
  }

  // Private: Clear the storage when webContents is reloaded/navigated.
  registerDeleteListener (webContents, webContentsId) {
    const processId = webContents.getProcessId()
    const listener = (event, deletedProcessId) => {
      if (deletedProcessId === processId) {
        webContents.removeListener('render-view-deleted', listener)
        this.clear(webContentsId)
      }
    }
    webContents.on('render-view-deleted', listener)
  }
}

module.exports = new ObjectsRegistry()
'use strict'

const {Buffer} = require('buffer')
const electron = require('electron')
const v8Util = process.atomBinding('v8_util')
const {WebContents} = process.atomBinding('web_contents')

const {ipcMain, isPromise, webContents} = electron

const objectsRegistry = require('./objects-registry')

const hasProp = {}.hasOwnProperty

// The internal properties of Function.
const FUNCTION_PROPERTIES = [
  'length', 'name', 'arguments', 'caller', 'prototype'
]

// The remote functions in renderer processes.
// id => Function
let rendererFunctions = v8Util.createDoubleIDWeakMap()

// Return the description of object's members:
let getObjectMembers = function (object) {
  let names = Object.getOwnPropertyNames(object)
  // For Function, we should not override following properties even though they
  // are "own" properties.
  if (typeof object === 'function') {
    names = names.filter((name) => {
      return !FUNCTION_PROPERTIES.includes(name)
    })
  }
  // Map properties to descriptors.
  return names.map((name) => {
    let descriptor = Object.getOwnPropertyDescriptor(object, name)
    let member = {name, enumerable: descriptor.enumerable, writable: false}
    if (descriptor.get === undefined && typeof object[name] === 'function') {
      member.type = 'method'
    } else {
      if (descriptor.set || descriptor.writable) member.writable = true
      member.type = 'get'
    }
    return member
  })
}

// Return the description of object's prototype.
let getObjectPrototype = function (object) {
  let proto = Object.getPrototypeOf(object)
  if (proto === null || proto === Object.prototype) return null
  return {
    members: getObjectMembers(proto),
    proto: getObjectPrototype(proto)
  }
}

// Convert a real value into meta data.
let valueToMeta = function (sender, value, optimizeSimpleObject = false) {
  // Determine the type of value.
  const meta = { type: typeof value }
  if (meta.type === 'object') {
    // Recognize certain types of objects.
    if (value === null) {
      meta.type = 'value'
    } else if (ArrayBuffer.isView(value)) {
      meta.type = 'buffer'
    } else if (Array.isArray(value)) {
      meta.type = 'array'
    } else if (value instanceof Error) {
      meta.type = 'error'
    } else if (value instanceof Date) {
      meta.type = 'date'
    } else if (isPromise(value)) {
      meta.type = 'promise'
    } else if (hasProp.call(value, 'callee') && value.length != null) {
      // Treat the arguments object as array.
      meta.type = 'array'
    } else if (optimizeSimpleObject && v8Util.getHiddenValue(value, 'simple')) {
      // Treat simple objects as value.
      meta.type = 'value'
    }
  }

  // Fill the meta object according to value's type.
  if (meta.type === 'array') {
    meta.members = value.map((el) => valueToMeta(sender, el))
  } else if (meta.type === 'object' || meta.type === 'function') {
    meta.name = value.constructor ? value.constructor.name : ''

    // Reference the original value if it's an object, because when it's
    // passed to renderer we would assume the renderer keeps a reference of
    // it.
    meta.id = objectsRegistry.add(sender, value)
    meta.members = getObjectMembers(value)
    meta.proto = getObjectPrototype(value)
  } else if (meta.type === 'buffer') {
    meta.value = Buffer.from(value)
  } else if (meta.type === 'promise') {
    // Add default handler to prevent unhandled rejections in main process
    // Instead they should appear in the renderer process
    value.then(function () {}, function () {})

    meta.then = valueToMeta(sender, function (onFulfilled, onRejected) {
      value.then(onFulfilled, onRejected)
    })
  } else if (meta.type === 'error') {
    meta.members = plainObjectToMeta(value)

    // Error.name is not part of own properties.
    meta.members.push({
      name: 'name',
      value: value.name
    })
  } else if (meta.type === 'date') {
    meta.value = value.getTime()
  } else {
    meta.type = 'value'
    meta.value = value
  }
  return meta
}

// Convert object to meta by value.
const plainObjectToMeta = function (obj) {
  return Object.getOwnPropertyNames(obj).map(function (name) {
    return {
      name: name,
      value: obj[name]
    }
  })
}

// Convert Error into meta data.
const exceptionToMeta = function (error) {
  return {
    type: 'exception',
    message: error.message,
    stack: error.stack || error
  }
}

const throwRPCError = function (message) {
  const error = new Error(message)
  error.code = 'EBADRPC'
  error.errno = -72
  throw error
}

const removeRemoteListenersAndLogWarning = (meta, args, callIntoRenderer) => {
  let message = `Attempting to call a function in a renderer window that has been closed or released.` +
    `\nFunction provided here: ${meta.location}`

  if (args.length > 0 && (args[0].sender instanceof WebContents)) {
    const {sender} = args[0]
    const remoteEvents = sender.eventNames().filter((eventName) => {
      return sender.listeners(eventName).includes(callIntoRenderer)
    })

    if (remoteEvents.length > 0) {
      message += `\nRemote event names: ${remoteEvents.join(', ')}`
      remoteEvents.forEach((eventName) => {
        sender.removeListener(eventName, callIntoRenderer)
      })
    }
  }

  console.warn(message)
}

// Convert array of meta data from renderer into array of real values.
const unwrapArgs = function (sender, args) {
  const metaToValue = function (meta) {
    let i, len, member, ref, returnValue
    switch (meta.type) {
      case 'value':
        return meta.value
      case 'remote-object':
        return objectsRegistry.get(meta.id)
      case 'array':
        return unwrapArgs(sender, meta.value)
      case 'buffer':
        return Buffer.from(meta.value)
      case 'date':
        return new Date(meta.value)
      case 'promise':
        return Promise.resolve({
          then: metaToValue(meta.then)
        })
      case 'object': {
        let ret = {}
        Object.defineProperty(ret.constructor, 'name', { value: meta.name })

        ref = meta.members
        for (i = 0, len = ref.length; i < len; i++) {
          member = ref[i]
          ret[member.name] = metaToValue(member.value)
        }
        return ret
      }
      case 'function-with-return-value':
        returnValue = metaToValue(meta.value)
        return function () {
          return returnValue
        }
      case 'function': {
        // Merge webContentsId and meta.id, since meta.id can be the same in
        // different webContents.
        const webContentsId = sender.getId()
        const objectId = [webContentsId, meta.id]

        // Cache the callbacks in renderer.
        if (rendererFunctions.has(objectId)) {
          return rendererFunctions.get(objectId)
        }

        let callIntoRenderer = function (...args) {
          if (!sender.isDestroyed() && webContentsId === sender.getId()) {
            sender.send('ELECTRON_RENDERER_CALLBACK', meta.id, valueToMeta(sender, args))
          } else {
            removeRemoteListenersAndLogWarning(meta, args, callIntoRenderer)
          }
        }
        Object.defineProperty(callIntoRenderer, 'length', { value: meta.length })

        v8Util.setRemoteCallbackFreer(callIntoRenderer, meta.id, sender)
        rendererFunctions.set(objectId, callIntoRenderer)
        return callIntoRenderer
      }
      default:
        throw new TypeError(`Unknown type: ${meta.type}`)
    }
  }
  return args.map(metaToValue)
}

// Call a function and send reply asynchronously if it's a an asynchronous
// style function and the caller didn't pass a callback.
const callFunction = function (event, func, caller, args) {
  let funcMarkedAsync, funcName, funcPassedCallback, ref, ret
  funcMarkedAsync = v8Util.getHiddenValue(func, 'asynchronous')
  funcPassedCallback = typeof args[args.length - 1] === 'function'
  try {
    if (funcMarkedAsync && !funcPassedCallback) {
      args.push(function (ret) {
        event.returnValue = valueToMeta(event.sender, ret, true)
      })
      func.apply(caller, args)
    } else {
      ret = func.apply(caller, args)
      event.returnValue = valueToMeta(event.sender, ret, true)
    }
  } catch (error) {
    // Catch functions thrown further down in function invocation and wrap
    // them with the function name so it's easier to trace things like
    // `Error processing argument -1.`
    funcName = ((ref = func.name) != null) ? ref : 'anonymous'
    throw new Error(`Could not call remote function '${funcName}'. Check that the function signature is correct. Underlying error: ${error.message}`)
  }
}

ipcMain.on('ELECTRON_BROWSER_REQUIRE', function (event, module) {
  try {
    event.returnValue = valueToMeta(event.sender, process.mainModule.require(module))
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_GET_BUILTIN', function (event, module) {
  try {
    event.returnValue = valueToMeta(event.sender, electron[module])
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_GLOBAL', function (event, name) {
  try {
    event.returnValue = valueToMeta(event.sender, global[name])
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_CURRENT_WINDOW', function (event) {
  try {
    event.returnValue = valueToMeta(event.sender, event.sender.getOwnerBrowserWindow())
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_CURRENT_WEB_CONTENTS', function (event) {
  event.returnValue = valueToMeta(event.sender, event.sender)
})

ipcMain.on('ELECTRON_BROWSER_CONSTRUCTOR', function (event, id, args) {
  try {
    args = unwrapArgs(event.sender, args)
    let constructor = objectsRegistry.get(id)

    if (constructor == null) {
      throwRPCError(`Cannot call constructor on missing remote object ${id}`)
    }

    // Call new with array of arguments.
    // http://stackoverflow.com/questions/1606797/use-of-apply-with-new-operator-is-this-possible
    let obj = new (Function.prototype.bind.apply(constructor, [null].concat(args)))()
    event.returnValue = valueToMeta(event.sender, obj)
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_FUNCTION_CALL', function (event, id, args) {
  try {
    args = unwrapArgs(event.sender, args)
    let func = objectsRegistry.get(id)

    if (func == null) {
      throwRPCError(`Cannot call function on missing remote object ${id}`)
    }

    callFunction(event, func, global, args)
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_MEMBER_CONSTRUCTOR', function (event, id, method, args) {
  try {
    args = unwrapArgs(event.sender, args)
    let object = objectsRegistry.get(id)

    if (object == null) {
      throwRPCError(`Cannot call constructor '${method}' on missing remote object ${id}`)
    }

    // Call new with array of arguments.
    let constructor = object[method]
    let obj = new (Function.prototype.bind.apply(constructor, [null].concat(args)))()
    event.returnValue = valueToMeta(event.sender, obj)
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_MEMBER_CALL', function (event, id, method, args) {
  try {
    args = unwrapArgs(event.sender, args)
    let obj = objectsRegistry.get(id)

    if (obj == null) {
      throwRPCError(`Cannot call function '${method}' on missing remote object ${id}`)
    }

    callFunction(event, obj[method], obj, args)
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_MEMBER_SET', function (event, id, name, args) {
  try {
    args = unwrapArgs(event.sender, args)
    let obj = objectsRegistry.get(id)

    if (obj == null) {
      throwRPCError(`Cannot set property '${name}' on missing remote object ${id}`)
    }

    obj[name] = args[0]
    event.returnValue = null
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_MEMBER_GET', function (event, id, name) {
  try {
    let obj = objectsRegistry.get(id)

    if (obj == null) {
      throwRPCError(`Cannot get property '${name}' on missing remote object ${id}`)
    }

    event.returnValue = valueToMeta(event.sender, obj[name])
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_DEREFERENCE', function (event, id) {
  objectsRegistry.remove(event.sender.getId(), id)
})

ipcMain.on('ELECTRON_BROWSER_CONTEXT_RELEASE', (e) => {
  objectsRegistry.clear(e.sender.getId())
  e.returnValue = null
})

ipcMain.on('ELECTRON_BROWSER_GUEST_WEB_CONTENTS', function (event, guestInstanceId) {
  try {
    let guestViewManager = require('./guest-view-manager')
    event.returnValue = valueToMeta(event.sender, guestViewManager.getGuest(guestInstanceId))
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_ASYNC_CALL_TO_GUEST_VIEW', function (event, requestId, guestInstanceId, method, ...args) {
  try {
    let guestViewManager = require('./guest-view-manager')
    let guest = guestViewManager.getGuest(guestInstanceId)
    if (requestId) {
      const responseCallback = function (result) {
        event.sender.send(`ELECTRON_RENDERER_ASYNC_CALL_TO_GUEST_VIEW_RESPONSE_${requestId}`, result)
      }
      args.push(responseCallback)
    }
    guest[method].apply(guest, args)
  } catch (error) {
    event.returnValue = exceptionToMeta(error)
  }
})

ipcMain.on('ELECTRON_BROWSER_SEND_TO', function (event, sendToAll, webContentsId, channel, ...args) {
  let contents = webContents.fromId(webContentsId)
  if (!contents) {
    console.error(`Sending message to WebContents with unknown ID ${webContentsId}`)
    return
  }

  if (sendToAll) {
    contents.sendToAll(channel, ...args)
  } else {
    contents.send(channel, ...args)
  }
})

// Implements window.alert(message, title)
ipcMain.on('ELECTRON_BROWSER_WINDOW_ALERT', function (event, message, title) {
  if (message == null) message = ''
  if (title == null) title = ''

  event.returnValue = electron.dialog.showMessageBox(event.sender.getOwnerBrowserWindow(), {
    message: `${message}`,
    title: `${title}`,
    buttons: ['OK']
  })
})

// Implements window.confirm(message, title)
ipcMain.on('ELECTRON_BROWSER_WINDOW_CONFIRM', function (event, message, title) {
  if (message == null) message = ''
  if (title == null) title = ''

  event.returnValue = !electron.dialog.showMessageBox(event.sender.getOwnerBrowserWindow(), {
    message: `${message}`,
    title: `${title}`,
    buttons: ['OK', 'Cancel'],
    cancelId: 1
  })
})

// Implements window.close()
ipcMain.on('ELECTRON_BROWSER_WINDOW_CLOSE', function (event) {
  event.sender.getOwnerBrowserWindow().close()
  event.returnValue = null
})
'use strict'

const v8Util = process.atomBinding('v8_util')

class CallbacksRegistry {
  constructor () {
    this.nextId = 0
    this.callbacks = {}
  }

  add (callback) {
    // The callback is already added.
    var filenameAndLine, id, location, match, ref, regexp, stackString
    id = v8Util.getHiddenValue(callback, 'callbackId')
    if (id != null) {
      return id
    }
    id = ++this.nextId

    // Capture the location of the function and put it in the ID string,
    // so that release errors can be tracked down easily.
    regexp = /at (.*)/gi
    stackString = (new Error()).stack
    while ((match = regexp.exec(stackString)) !== null) {
      location = match[1]
      if (location.indexOf('(native)') !== -1) {
        continue
      }
      if (location.indexOf('electron.asar') !== -1) {
        continue
      }
      ref = /([^/^)]*)\)?$/gi.exec(location)
      filenameAndLine = ref[1]
      break
    }
    this.callbacks[id] = callback
    v8Util.setHiddenValue(callback, 'callbackId', id)
    v8Util.setHiddenValue(callback, 'location', filenameAndLine)
    return id
  }

  get (id) {
    var ref
    return (ref = this.callbacks[id]) != null ? ref : function () {}
  }

  apply (id, ...args) {
    return this.get(id).apply(global, ...args)
  }

  remove (id) {
    const callback = this.callbacks[id]
    if (callback) {
      v8Util.deleteHiddenValue(callback, 'callbackId')
      delete this.callbacks[id]
    }
  }
}

module.exports = CallbacksRegistry
if (process.platform === 'linux' && process.type === 'renderer') {
  // On Linux we could not access clipboard in renderer process.
  module.exports = require('electron').remote.clipboard
} else {
  const clipboard = process.atomBinding('clipboard')

  // Read/write to find pasteboard over IPC since only main process is notified
  // of changes
  if (process.platform === 'darwin' && process.type === 'renderer') {
    clipboard.readFindText = require('electron').remote.clipboard.readFindText
    clipboard.writeFindText = require('electron').remote.clipboard.writeFindText
  }

  module.exports = clipboard
}
'use strict'

const {spawn} = require('child_process')
const os = require('os')
const path = require('path')
const electron = require('electron')
const {app} = process.type === 'browser' ? electron : electron.remote
const binding = process.atomBinding('crash_reporter')

class CrashReporter {
  start (options) {
    if (options == null) {
      options = {}
    }
    this.productName = options.productName != null ? options.productName : app.getName()
    let {companyName, extra, ignoreSystemCrashHandler, submitURL, uploadToServer} = options

    if (uploadToServer == null) {
      // TODO: Remove deprecated autoSubmit property in 2.0
      uploadToServer = options.autoSubmit
    }

    if (uploadToServer == null) {
      uploadToServer = true
    }

    if (ignoreSystemCrashHandler == null) {
      ignoreSystemCrashHandler = false
    }
    if (extra == null) {
      extra = {}
    }
    if (extra._productName == null) {
      extra._productName = this.getProductName()
    }
    if (extra._companyName == null) {
      extra._companyName = companyName
    }
    if (extra._version == null) {
      extra._version = app.getVersion()
    }
    if (companyName == null) {
      throw new Error('companyName is a required option to crashReporter.start')
    }
    if (submitURL == null) {
      throw new Error('submitURL is a required option to crashReporter.start')
    }

    if (process.platform === 'win32') {
      const args = [
        '--reporter-url=' + submitURL,
        '--application-name=' + this.getProductName(),
        '--crashes-directory=' + this.getCrashesDirectory(),
        '--v=1'
      ]
      const env = {
        ELECTRON_INTERNAL_CRASH_SERVICE: 1
      }
      this._crashServiceProcess = spawn(process.execPath, args, {
        env: env,
        detached: true
      })
    }

    binding.start(this.getProductName(), companyName, submitURL, this.getCrashesDirectory(), uploadToServer, ignoreSystemCrashHandler, extra)
  }

  getLastCrashReport () {
    const reports = this.getUploadedReports()
    if (reports.length > 0) {
      return reports[0]
    } else {
      return null
    }
  }

  getUploadedReports () {
    return binding.getUploadedReports(this.getCrashesDirectory())
  }

  getCrashesDirectory () {
    const crashesDir = this.getProductName() + ' Crashes'
    return path.join(this.getTempDirectory(), crashesDir)
  }

  getProductName () {
    if (this.productName == null) {
      this.productName = app.getName()
    }
    return this.productName
  }

  getTempDirectory () {
    if (this.tempDirectory == null) {
      try {
        this.tempDirectory = app.getPath('temp')
      } catch (error) {
        // app.getPath may throw so fallback to OS temp directory
        this.tempDirectory = os.tmpdir()
      }
    }
    return this.tempDirectory
  }

  getUploadToServer () {
    if (process.type === 'browser') {
      return binding.getUploadToServer()
    } else {
      throw new Error('getUploadToServer can only be called from the main process')
    }
  }

  setUploadToServer (uploadToServer) {
    if (process.type === 'browser') {
      return binding.setUploadToServer(uploadToServer)
    } else {
      throw new Error('setUploadToServer can only be called from the main process')
    }
  }

  setExtraParameter (key, value) {
    binding.setExtraParameter(key, value)
  }
}

module.exports = new CrashReporter()
// Deprecate a method.
const deprecate = function (oldName, newName, fn) {
  var warned
  warned = false
  return function () {
    if (!(warned || process.noDeprecation)) {
      warned = true
      deprecate.warn(oldName, newName)
    }
    return fn.apply(this, arguments)
  }
}

// The method is renamed.
deprecate.rename = function (object, oldName, newName) {
  var newMethod, warned
  warned = false
  newMethod = function () {
    if (!(warned || process.noDeprecation)) {
      warned = true
      deprecate.warn(oldName, newName)
    }
    return this[newName].apply(this, arguments)
  }
  if (typeof object === 'function') {
    object.prototype[oldName] = newMethod
  } else {
    object[oldName] = newMethod
  }
}

// Forward the method to member.
deprecate.member = function (object, method, member) {
  var warned
  warned = false
  object.prototype[method] = function () {
    if (!(warned || process.noDeprecation)) {
      warned = true
      deprecate.warn(method, member + '.' + method)
    }
    return this[member][method].apply(this[member], arguments)
  }
}

// Deprecate a property.
deprecate.property = function (object, property, method) {
  return Object.defineProperty(object, property, {
    get: function () {
      var warned
      warned = false
      if (!(warned || process.noDeprecation)) {
        warned = true
        deprecate.warn(property + ' property', method + ' method')
      }
      return this[method]()
    }
  })
}

// Deprecate an event.
deprecate.event = function (emitter, oldName, newName, fn) {
  var warned = false
  return emitter.on(newName, function (...args) {
    // there is listeners for old API.
    if (this.listenerCount(oldName) > 0) {
      if (!(warned || process.noDeprecation)) {
        warned = true
        deprecate.warn("'" + oldName + "' event", "'" + newName + "' event")
      }
      if (fn != null) {
        fn.apply(this, arguments)
      } else {
        this.emit.apply(this, [oldName].concat(args))
      }
    }
  })
}

// Print deprecation warning.
deprecate.warn = function (oldName, newName) {
  return deprecate.log(oldName + ' is deprecated. Use ' + newName + ' instead.')
}

var deprecationHandler = null

// Print deprecation message.
deprecate.log = function (message) {
  if (typeof deprecationHandler === 'function') {
    deprecationHandler(message)
  } else if (process.throwDeprecation) {
    throw new Error(message)
  } else if (process.traceDeprecation) {
    return console.trace(message)
  } else {
    return console.warn('(electron) ' + message)
  }
}

deprecate.setHandler = function (handler) {
  deprecationHandler = handler
}

deprecate.getHandler = function () {
  return deprecationHandler
}

module.exports = deprecate
'use strict'

const deprecate = require('electron').deprecate

exports.setHandler = function (deprecationHandler) {
  deprecate.setHandler(deprecationHandler)
}

exports.getHandler = function () {
  return deprecate.getHandler()
}
const moduleList = require('../module-list')

// Attaches properties to |exports|.
exports.defineProperties = function (exports) {
  const descriptors = {}
  for (const module of moduleList) {
    descriptors[module.name] = {
      enumerable: !module.private,
      get: () => require(`../${module.file}`)
    }
  }
  return Object.defineProperties(exports, descriptors)
}
'use strict'

module.exports = function isPromise (val) {
  return (
    val &&
    val.then &&
    val.then instanceof Function &&
    val.constructor &&
    val.constructor.reject &&
    val.constructor.reject instanceof Function &&
    val.constructor.resolve &&
    val.constructor.resolve instanceof Function
  )
}
// Common modules, please sort alphabetically
module.exports = [
  {name: 'clipboard', file: 'clipboard'},
  {name: 'crashReporter', file: 'crash-reporter'},
  {name: 'nativeImage', file: 'native-image'},
  {name: 'shell', file: 'shell'},
  // The internal modules, invisible unless you know their names.
  {name: 'CallbacksRegistry', file: 'callbacks-registry', private: true},
  {name: 'deprecate', file: 'deprecate', private: true},
  {name: 'deprecations', file: 'deprecations', private: true},
  {name: 'isPromise', file: 'is-promise', private: true}
]
module.exports = process.atomBinding('native_image')
module.exports = process.atomBinding('shell')
module.exports = function atomBindingSetup (binding, processType) {
  return function atomBinding (name) {
    try {
      return binding(`atom_${processType}_${name}`)
    } catch (error) {
      if (/No such module/.test(error.message)) {
        return binding(`atom_common_${name}`)
      } else {
        throw error
      }
    }
  }
}
const timers = require('timers')

process.atomBinding = require('./atom-binding-setup')(process.binding, process.type)

// setImmediate and process.nextTick makes use of uv_check and uv_prepare to
// run the callbacks, however since we only run uv loop on requests, the
// callbacks wouldn't be called until something else activated the uv loop,
// which would delay the callbacks for arbitrary long time. So we should
// initiatively activate the uv loop once setImmediate and process.nextTick is
// called.
var wrapWithActivateUvLoop = function (func) {
  return function () {
    process.activateUvLoop()
    return func.apply(this, arguments)
  }
}

process.nextTick = wrapWithActivateUvLoop(process.nextTick)

global.setImmediate = wrapWithActivateUvLoop(timers.setImmediate)

global.clearImmediate = timers.clearImmediate

if (process.type === 'browser') {
  // setTimeout needs to update the polling timeout of the event loop, when
  // called under Chromium's event loop the node's event loop won't get a chance
  // to update the timeout, so we have to force the node's event loop to
  // recalculate the timeout in browser process.
  global.setTimeout = wrapWithActivateUvLoop(timers.setTimeout)
  global.setInterval = wrapWithActivateUvLoop(timers.setInterval)
}

if (process.platform === 'win32') {
  // Always returns EOF for stdin stream.
  const {Readable} = require('stream')
  const stdin = new Readable()
  stdin.push(null)
  process.__defineGetter__('stdin', function () {
    return stdin
  })

  // If we're running as a Windows Store app, __dirname will be set
  // to C:/Program Files/WindowsApps.
  //
  // Nobody else get's to install there, changing the path is forbidden
  // We can therefore say that we're running as appx
  if (__dirname.includes('\\WindowsApps\\')) {
    process.windowsStore = true
  }
}
// parses a feature string that has the format used in window.open()
// - `features` input string
// - `emit` function(key, value) - called for each parsed KV
module.exports = function parseFeaturesString (features, emit) {
  features = `${features}`
  // split the string by ','
  features.split(/,\s*/).forEach((feature) => {
    // expected form is either a key by itself or a key/value pair in the form of
    // 'key=value'
    let [key, value] = feature.split(/\s*=/)
    if (!key) return

    // interpret the value as a boolean, if possible
    value = (value === 'yes' || value === '1') ? true : (value === 'no' || value === '0') ? false : value

    // emit the parsed pair
    emit(key, value)
  })
}
const path = require('path')
const Module = require('module')

// Clear Node's global search paths.
Module.globalPaths.length = 0

// Clear current and parent(init.js)'s search paths.
module.paths = []
module.parent.paths = []

// Prevent Node from adding paths outside this app to search paths.
const resourcesPathWithTrailingSlash = process.resourcesPath + path.sep
const originalNodeModulePaths = Module._nodeModulePaths
Module._nodeModulePaths = function (from) {
  const paths = originalNodeModulePaths(from)
  const fromPath = path.resolve(from) + path.sep
  // If "from" is outside the app then we do nothing.
  if (fromPath.startsWith(resourcesPathWithTrailingSlash)) {
    return paths.filter(function (candidate) {
      return candidate.startsWith(resourcesPathWithTrailingSlash)
    })
  } else {
    return paths
  }
}

// Patch Module._resolveFilename to always require the Electron API when
// require('electron') is done.
const electronPath = path.join(__dirname, '..', process.type, 'api', 'exports', 'electron.js')
const originalResolveFilename = Module._resolveFilename
Module._resolveFilename = function (request, parent, isMain) {
  if (request === 'electron') {
    return electronPath
  } else {
    return originalResolveFilename(request, parent, isMain)
  }
}
const ipcRenderer = require('electron').ipcRenderer
const nativeImage = require('electron').nativeImage

var nextId = 0
var includes = [].includes

var getNextId = function () {
  return ++nextId
}

// |options.type| can not be empty and has to include 'window' or 'screen'.
var isValid = function (options) {
  return ((options != null ? options.types : void 0) != null) && Array.isArray(options.types)
}

exports.getSources = function (options, callback) {
  var captureScreen, captureWindow, id
  if (!isValid(options)) {
    return callback(new Error('Invalid options'))
  }
  captureWindow = includes.call(options.types, 'window')
  captureScreen = includes.call(options.types, 'screen')
  if (options.thumbnailSize == null) {
    options.thumbnailSize = {
      width: 150,
      height: 150
    }
  }
  id = getNextId()
  ipcRenderer.send('ELECTRON_BROWSER_DESKTOP_CAPTURER_GET_SOURCES', captureWindow, captureScreen, options.thumbnailSize, id)
  return ipcRenderer.once('ELECTRON_RENDERER_DESKTOP_CAPTURER_RESULT_' + id, function (event, sources) {
    var source
    callback(null, (function () {
      var i, len, results
      results = []
      for (i = 0, len = sources.length; i < len; i++) {
        source = sources[i]
        results.push({
          id: source.id,
          name: source.name,
          thumbnail: nativeImage.createFromDataURL(source.thumbnail)
        })
      }
      return results
    })())
  })
}
const common = require('../../../common/api/exports/electron')
const moduleList = require('../module-list')

// Import common modules.
common.defineProperties(exports)

for (const module of moduleList) {
  Object.defineProperty(exports, module.name, {
    enumerable: !module.private,
    get: () => require(`../${module.file}`)
  })
}
'use strict'

const binding = process.atomBinding('ipc')
const v8Util = process.atomBinding('v8_util')

// Created by init.js.
const ipcRenderer = v8Util.getHiddenValue(global, 'ipc')

ipcRenderer.send = function (...args) {
  return binding.send('ipc-message', args)
}

ipcRenderer.sendSync = function (...args) {
  return JSON.parse(binding.sendSync('ipc-message-sync', args))
}

ipcRenderer.sendToHost = function (...args) {
  return binding.send('ipc-message-host', args)
}

ipcRenderer.sendTo = function (webContentsId, channel, ...args) {
  if (typeof webContentsId !== 'number') {
    throw new TypeError('First argument has to be webContentsId')
  }

  ipcRenderer.send('ELECTRON_BROWSER_SEND_TO', false, webContentsId, channel, ...args)
}

ipcRenderer.sendToAll = function (webContentsId, channel, ...args) {
  if (typeof webContentsId !== 'number') {
    throw new TypeError('First argument has to be webContentsId')
  }

  ipcRenderer.send('ELECTRON_BROWSER_SEND_TO', true, webContentsId, channel, ...args)
}

const removeAllListeners = ipcRenderer.removeAllListeners.bind(ipcRenderer)
ipcRenderer.removeAllListeners = function (...args) {
  if (args.length === 0) {
    throw new Error('Removing all listeners from ipcRenderer will make Electron internals stop working.  Please specify a event name')
  }
  removeAllListeners(...args)
}

module.exports = ipcRenderer
// Renderer side modules, please sort alphabetically.
module.exports = [
  {name: 'desktopCapturer', file: 'desktop-capturer'},
  {name: 'ipcRenderer', file: 'ipc-renderer'},
  {name: 'remote', file: 'remote'},
  {name: 'screen', file: 'screen'},
  {name: 'webFrame', file: 'web-frame'}
]
'use strict'

// Note: Don't use destructuring assignment for `Buffer`, or we'll hit a
// browserify bug that makes the statement invalid, throwing an error in
// sandboxed renderer.
const Buffer = require('buffer').Buffer
const v8Util = process.atomBinding('v8_util')
const {ipcRenderer, isPromise, CallbacksRegistry} = require('electron')
const resolvePromise = Promise.resolve.bind(Promise)

const callbacksRegistry = new CallbacksRegistry()

const remoteObjectCache = v8Util.createIDWeakMap()

// Convert the arguments object into an array of meta data.
const wrapArgs = function (args, visited) {
  if (visited == null) {
    visited = new Set()
  }

  const valueToMeta = function (value) {
    // Check for circular reference.
    if (visited.has(value)) {
      return {
        type: 'value',
        value: null
      }
    }

    if (Array.isArray(value)) {
      visited.add(value)
      let meta = {
        type: 'array',
        value: wrapArgs(value, visited)
      }
      visited.delete(value)
      return meta
    } else if (ArrayBuffer.isView(value)) {
      return {
        type: 'buffer',
        value: Buffer.from(value)
      }
    } else if (value instanceof Date) {
      return {
        type: 'date',
        value: value.getTime()
      }
    } else if ((value != null) && typeof value === 'object') {
      if (isPromise(value)) {
        return {
          type: 'promise',
          then: valueToMeta(function (onFulfilled, onRejected) {
            value.then(onFulfilled, onRejected)
          })
        }
      } else if (v8Util.getHiddenValue(value, 'atomId')) {
        return {
          type: 'remote-object',
          id: v8Util.getHiddenValue(value, 'atomId')
        }
      }

      let meta = {
        type: 'object',
        name: value.constructor != null ? value.constructor.name : '',
        members: []
      }
      visited.add(value)
      for (let prop in value) {
        meta.members.push({
          name: prop,
          value: valueToMeta(value[prop])
        })
      }
      visited.delete(value)
      return meta
    } else if (typeof value === 'function' && v8Util.getHiddenValue(value, 'returnValue')) {
      return {
        type: 'function-with-return-value',
        value: valueToMeta(value())
      }
    } else if (typeof value === 'function') {
      return {
        type: 'function',
        id: callbacksRegistry.add(value),
        location: v8Util.getHiddenValue(value, 'location'),
        length: value.length
      }
    } else {
      return {
        type: 'value',
        value: value
      }
    }
  }
  return args.map(valueToMeta)
}

// Populate object's members from descriptors.
// The |ref| will be kept referenced by |members|.
// This matches |getObjectMemebers| in rpc-server.
const setObjectMembers = function (ref, object, metaId, members) {
  if (!Array.isArray(members)) return

  for (let member of members) {
    if (object.hasOwnProperty(member.name)) continue

    let descriptor = { enumerable: member.enumerable }
    if (member.type === 'method') {
      const remoteMemberFunction = function (...args) {
        if (this && this.constructor === remoteMemberFunction) {
          // Constructor call.
          let ret = ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_CONSTRUCTOR', metaId, member.name, wrapArgs(args))
          return metaToValue(ret)
        } else {
          // Call member function.
          let ret = ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_CALL', metaId, member.name, wrapArgs(args))
          return metaToValue(ret)
        }
      }

      let descriptorFunction = proxyFunctionProperties(remoteMemberFunction, metaId, member.name)

      descriptor.get = function () {
        descriptorFunction.ref = ref  // The member should reference its object.
        return descriptorFunction
      }
      // Enable monkey-patch the method
      descriptor.set = function (value) {
        descriptorFunction = value
        return value
      }
      descriptor.configurable = true
    } else if (member.type === 'get') {
      descriptor.get = function () {
        return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_GET', metaId, member.name))
      }

      // Only set setter when it is writable.
      if (member.writable) {
        descriptor.set = function (value) {
          const args = wrapArgs([value])
          const meta = ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_SET', metaId, member.name, args)
          // Meta will be non-null when a setter error occurred so parse it
          // to a value so it gets re-thrown.
          if (meta != null) {
            metaToValue(meta)
          }
          return value
        }
      }
    }

    Object.defineProperty(object, member.name, descriptor)
  }
}

// Populate object's prototype from descriptor.
// This matches |getObjectPrototype| in rpc-server.
const setObjectPrototype = function (ref, object, metaId, descriptor) {
  if (descriptor === null) return
  let proto = {}
  setObjectMembers(ref, proto, metaId, descriptor.members)
  setObjectPrototype(ref, proto, metaId, descriptor.proto)
  Object.setPrototypeOf(object, proto)
}

// Wrap function in Proxy for accessing remote properties
const proxyFunctionProperties = function (remoteMemberFunction, metaId, name) {
  let loaded = false

  // Lazily load function properties
  const loadRemoteProperties = () => {
    if (loaded) return
    loaded = true
    const meta = ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_GET', metaId, name)
    setObjectMembers(remoteMemberFunction, remoteMemberFunction, meta.id, meta.members)
  }

  return new Proxy(remoteMemberFunction, {
    set: (target, property, value, receiver) => {
      if (property !== 'ref') loadRemoteProperties()
      target[property] = value
      return true
    },
    get: (target, property, receiver) => {
      if (!target.hasOwnProperty(property)) loadRemoteProperties()
      const value = target[property]

      // Bind toString to target if it is a function to avoid
      // Function.prototype.toString is not generic errors
      if (property === 'toString' && typeof value === 'function') {
        return value.bind(target)
      }

      return value
    },
    ownKeys: (target) => {
      loadRemoteProperties()
      return Object.getOwnPropertyNames(target)
    },
    getOwnPropertyDescriptor: (target, property) => {
      let descriptor = Object.getOwnPropertyDescriptor(target, property)
      if (descriptor != null) return descriptor
      loadRemoteProperties()
      return Object.getOwnPropertyDescriptor(target, property)
    }
  })
}

// Convert meta data from browser into real value.
const metaToValue = function (meta) {
  var el, i, len, ref1, results, ret
  switch (meta.type) {
    case 'value':
      return meta.value
    case 'array':
      ref1 = meta.members
      results = []
      for (i = 0, len = ref1.length; i < len; i++) {
        el = ref1[i]
        results.push(metaToValue(el))
      }
      return results
    case 'buffer':
      return Buffer.from(meta.value)
    case 'promise':
      return resolvePromise({then: metaToValue(meta.then)})
    case 'error':
      return metaToPlainObject(meta)
    case 'date':
      return new Date(meta.value)
    case 'exception':
      throw new Error(meta.message + '\n' + meta.stack)
    default:
      if (remoteObjectCache.has(meta.id)) return remoteObjectCache.get(meta.id)

      if (meta.type === 'function') {
        // A shadow class to represent the remote function object.
        let remoteFunction = function (...args) {
          if (this && this.constructor === remoteFunction) {
            // Constructor call.
            let obj = ipcRenderer.sendSync('ELECTRON_BROWSER_CONSTRUCTOR', meta.id, wrapArgs(args))
            // Returning object in constructor will replace constructed object
            // with the returned object.
            // http://stackoverflow.com/questions/1978049/what-values-can-a-constructor-return-to-avoid-returning-this
            return metaToValue(obj)
          } else {
            // Function call.
            let obj = ipcRenderer.sendSync('ELECTRON_BROWSER_FUNCTION_CALL', meta.id, wrapArgs(args))
            return metaToValue(obj)
          }
        }
        ret = remoteFunction
      } else {
        ret = {}
      }

      // Populate delegate members.
      setObjectMembers(ret, ret, meta.id, meta.members)
      // Populate delegate prototype.
      setObjectPrototype(ret, ret, meta.id, meta.proto)

      // Set constructor.name to object's name.
      Object.defineProperty(ret.constructor, 'name', { value: meta.name })

      // Track delegate object's life time, and tell the browser to clean up
      // when the object is GCed.
      v8Util.setRemoteObjectFreer(ret, meta.id)

      // Remember object's id.
      v8Util.setHiddenValue(ret, 'atomId', meta.id)
      remoteObjectCache.set(meta.id, ret)
      return ret
  }
}

// Construct a plain object from the meta.
const metaToPlainObject = function (meta) {
  var i, len, obj, ref1
  obj = (function () {
    switch (meta.type) {
      case 'error':
        return new Error()
      default:
        return {}
    }
  })()
  ref1 = meta.members
  for (i = 0, len = ref1.length; i < len; i++) {
    let {name, value} = ref1[i]
    obj[name] = value
  }
  return obj
}

// Browser calls a callback in renderer.
ipcRenderer.on('ELECTRON_RENDERER_CALLBACK', function (event, id, args) {
  callbacksRegistry.apply(id, metaToValue(args))
})

// A callback in browser is released.
ipcRenderer.on('ELECTRON_RENDERER_RELEASE_CALLBACK', function (event, id) {
  callbacksRegistry.remove(id)
})

process.on('exit', () => {
  ipcRenderer.sendSync('ELECTRON_BROWSER_CONTEXT_RELEASE')
})

// Get remote module.
exports.require = function (module) {
  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_REQUIRE', module))
}

// Alias to remote.require('electron').xxx.
exports.getBuiltin = function (module) {
  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_GET_BUILTIN', module))
}

// Get current BrowserWindow.
exports.getCurrentWindow = function () {
  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_CURRENT_WINDOW'))
}

// Get current WebContents object.
exports.getCurrentWebContents = function () {
  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_CURRENT_WEB_CONTENTS'))
}

// Get a global object in browser.
exports.getGlobal = function (name) {
  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_GLOBAL', name))
}

// Get the process object in browser.
exports.__defineGetter__('process', function () {
  return exports.getGlobal('process')
})

// Create a funtion that will return the specifed value when called in browser.
exports.createFunctionWithReturnValue = function (returnValue) {
  const func = function () {
    return returnValue
  }
  v8Util.setHiddenValue(func, 'returnValue', true)
  return func
}

// Get the guest WebContents from guestInstanceId.
exports.getGuestWebContents = function (guestInstanceId) {
  const meta = ipcRenderer.sendSync('ELECTRON_BROWSER_GUEST_WEB_CONTENTS', guestInstanceId)
  return metaToValue(meta)
}

const addBuiltinProperty = (name) => {
  Object.defineProperty(exports, name, {
    get: function () {
      return exports.getBuiltin(name)
    }
  })
}

const browserModules =
  require('../../common/api/module-list').concat(
  require('../../browser/api/module-list'))

// And add a helper receiver for each one.
browserModules
  .filter((m) => !m.private)
  .map((m) => m.name)
  .forEach(addBuiltinProperty)
module.exports = require('electron').remote.screen
'use strict'

const {EventEmitter} = require('events')
const {webFrame, WebFrame} = process.atomBinding('web_frame')

// WebFrame is an EventEmitter.
Object.setPrototypeOf(WebFrame.prototype, EventEmitter.prototype)

// Lots of webview would subscribe to webFrame's events.
webFrame.setMaxListeners(0)

module.exports = webFrame
const {ipcRenderer} = require('electron')
const Event = require('./extensions/event')
const url = require('url')

let nextId = 0

class Tab {
  constructor (tabId) {
    this.id = tabId
  }
}

class MessageSender {
  constructor (tabId, extensionId) {
    this.tab = tabId ? new Tab(tabId) : null
    this.id = extensionId
    this.url = `chrome-extension://${extensionId}`
  }
}

class Port {
  constructor (tabId, portId, extensionId, name) {
    this.tabId = tabId
    this.portId = portId
    this.disconnected = false

    this.name = name
    this.onDisconnect = new Event()
    this.onMessage = new Event()
    this.sender = new MessageSender(tabId, extensionId)

    ipcRenderer.once(`CHROME_PORT_DISCONNECT_${portId}`, () => {
      this._onDisconnect()
    })
    ipcRenderer.on(`CHROME_PORT_POSTMESSAGE_${portId}`, (event, message) => {
      const sendResponse = function () { console.error('sendResponse is not implemented') }
      this.onMessage.emit(message, this.sender, sendResponse)
    })
  }

  disconnect () {
    if (this.disconnected) return

    ipcRenderer.sendToAll(this.tabId, `CHROME_PORT_DISCONNECT_${this.portId}`)
    this._onDisconnect()
  }

  postMessage (message) {
    ipcRenderer.sendToAll(this.tabId, `CHROME_PORT_POSTMESSAGE_${this.portId}`, message)
  }

  _onDisconnect () {
    this.disconnected = true
    ipcRenderer.removeAllListeners(`CHROME_PORT_POSTMESSAGE_${this.portId}`)
    this.onDisconnect.emit()
  }
}

// Inject chrome API to the |context|
exports.injectTo = function (extensionId, isBackgroundPage, context) {
  const chrome = context.chrome = context.chrome || {}
  let originResultID = 1

  ipcRenderer.on(`CHROME_RUNTIME_ONCONNECT_${extensionId}`, (event, tabId, portId, connectInfo) => {
    chrome.runtime.onConnect.emit(new Port(tabId, portId, extensionId, connectInfo.name))
  })

  ipcRenderer.on(`CHROME_RUNTIME_ONMESSAGE_${extensionId}`, (event, tabId, message, resultID) => {
    chrome.runtime.onMessage.emit(message, new MessageSender(tabId, extensionId), (messageResult) => {
      ipcRenderer.send(`CHROME_RUNTIME_ONMESSAGE_RESULT_${resultID}`, messageResult)
    })
  })

  ipcRenderer.on('CHROME_TABS_ONCREATED', (event, tabId) => {
    chrome.tabs.onCreated.emit(new Tab(tabId))
  })

  ipcRenderer.on('CHROME_TABS_ONREMOVED', (event, tabId) => {
    chrome.tabs.onRemoved.emit(tabId)
  })

  chrome.runtime = {
    id: extensionId,

    getURL: function (path) {
      return url.format({
        protocol: 'chrome-extension',
        slashes: true,
        hostname: extensionId,
        pathname: path
      })
    },

    connect (...args) {
      if (isBackgroundPage) {
        console.error('chrome.runtime.connect is not supported in background page')
        return
      }

      // Parse the optional args.
      let targetExtensionId = extensionId
      let connectInfo = {name: ''}
      if (args.length === 1) {
        connectInfo = args[0]
      } else if (args.length === 2) {
        [targetExtensionId, connectInfo] = args
      }

      const {tabId, portId} = ipcRenderer.sendSync('CHROME_RUNTIME_CONNECT', targetExtensionId, connectInfo)
      return new Port(tabId, portId, extensionId, connectInfo.name)
    },

    sendMessage (...args) {
      if (isBackgroundPage) {
        console.error('chrome.runtime.sendMessage is not supported in background page')
        return
      }

      // Parse the optional args.
      let targetExtensionId = extensionId
      let message
      if (args.length === 1) {
        message = args[0]
      } else if (args.length === 2) {
        // A case of not provide extension-id: (message, responseCallback)
        if (typeof args[1] === 'function') {
          ipcRenderer.on(`CHROME_RUNTIME_SENDMESSAGE_RESULT_${originResultID}`, (event, result) => args[1](result))
          message = args[0]
        } else {
          [targetExtensionId, message] = args
        }
      } else {
        console.error('options is not supported')
        ipcRenderer.on(`CHROME_RUNTIME_SENDMESSAGE_RESULT_${originResultID}`, (event, result) => args[2](result))
      }

      ipcRenderer.send('CHROME_RUNTIME_SENDMESSAGE', targetExtensionId, message, originResultID)
      originResultID++
    },

    onConnect: new Event(),
    onMessage: new Event(),
    onInstalled: new Event()
  }

  chrome.tabs = {
    executeScript (tabId, details, callback) {
      const requestId = ++nextId
      ipcRenderer.once(`CHROME_TABS_EXECUTESCRIPT_RESULT_${requestId}`, (event, result) => {
        callback([event.result])
      })
      ipcRenderer.send('CHROME_TABS_EXECUTESCRIPT', requestId, tabId, extensionId, details)
    },

    sendMessage (tabId, message, options, responseCallback) {
      if (responseCallback) {
        ipcRenderer.on(`CHROME_TABS_SEND_MESSAGE_RESULT_${originResultID}`, (event, result) => responseCallback(result))
      }
      ipcRenderer.send('CHROME_TABS_SEND_MESSAGE', tabId, extensionId, isBackgroundPage, message, originResultID)
      originResultID++
    },

    onUpdated: new Event(),
    onCreated: new Event(),
    onRemoved: new Event()
  }

  chrome.extension = {
    getURL: chrome.runtime.getURL,
    connect: chrome.runtime.connect,
    onConnect: chrome.runtime.onConnect,
    sendMessage: chrome.runtime.sendMessage,
    onMessage: chrome.runtime.onMessage
  }

  chrome.storage = require('./extensions/storage')

  chrome.pageAction = {
    show () {},
    hide () {},
    setTitle () {},
    getTitle () {},
    setIcon () {},
    setPopup () {},
    getPopup () {}
  }

  chrome.i18n = require('./extensions/i18n').setup(extensionId)
  chrome.webNavigation = require('./extensions/web-navigation').setup()
}
const {ipcRenderer} = require('electron')
const {runInThisContext} = require('vm')

// Check whether pattern matches.
// https://developer.chrome.com/extensions/match_patterns
const matchesPattern = function (pattern) {
  if (pattern === '<all_urls>') return true

  const regexp = new RegExp('^' + pattern.replace(/\*/g, '.*') + '$')
  return location.href.match(regexp)
}

// Run the code with chrome API integrated.
const runContentScript = function (extensionId, url, code) {
  const context = {}
  require('./chrome-api').injectTo(extensionId, false, context)
  const wrapper = `(function (chrome) {\n  ${code}\n  })`
  const compiledWrapper = runInThisContext(wrapper, {
    filename: url,
    lineOffset: 1,
    displayErrors: true
  })
  return compiledWrapper.call(this, context.chrome)
}

// Run injected scripts.
// https://developer.chrome.com/extensions/content_scripts
const injectContentScript = function (extensionId, script) {
  for (const match of script.matches) {
    if (!matchesPattern(match)) return
  }

  for (const {url, code} of script.js) {
    const fire = runContentScript.bind(window, extensionId, url, code)
    if (script.runAt === 'document_start') {
      process.once('document-start', fire)
    } else if (script.runAt === 'document_end') {
      process.once('document-end', fire)
    } else if (script.runAt === 'document_idle') {
      document.addEventListener('DOMContentLoaded', fire)
    }
  }
}

// Handle the request of chrome.tabs.executeJavaScript.
ipcRenderer.on('CHROME_TABS_EXECUTESCRIPT', function (event, senderWebContentsId, requestId, extensionId, url, code) {
  const result = runContentScript.call(window, extensionId, url, code)
  ipcRenderer.sendToAll(senderWebContentsId, `CHROME_TABS_EXECUTESCRIPT_RESULT_${requestId}`, result)
})

// Read the renderer process preferences.
const preferences = process.getRenderProcessPreferences()
if (preferences) {
  for (const pref of preferences) {
    if (pref.contentScripts) {
      for (const script of pref.contentScripts) {
        injectContentScript(pref.extensionId, script)
      }
    }
  }
}
class Event {
  constructor () {
    this.listeners = []
  }

  addListener (callback) {
    this.listeners.push(callback)
  }

  removeListener (callback) {
    const index = this.listeners.indexOf(callback)
    if (index !== -1) {
      this.listeners.splice(index, 1)
    }
  }

  emit (...args) {
    for (const listener of this.listeners) {
      listener(...args)
    }
  }
}

module.exports = Event
// Implementation of chrome.i18n.getMessage
// https://developer.chrome.com/extensions/i18n#method-getMessage
//
// Does not implement predefined messages:
// https://developer.chrome.com/extensions/i18n#overview-predefined

const {ipcRenderer} = require('electron')
const fs = require('fs')
const path = require('path')

let metadata

const getExtensionMetadata = (extensionId) => {
  if (!metadata) {
    metadata = ipcRenderer.sendSync('CHROME_I18N_MANIFEST', extensionId)
  }
  return metadata
}

const getMessagesPath = (extensionId, language) => {
  const metadata = getExtensionMetadata(extensionId)
  const defaultLocale = metadata.default_locale || 'en'
  const localesDirectory = path.join(metadata.srcDirectory, '_locales')
  let messagesPath = path.join(localesDirectory, language, 'messages.json')
  if (!fs.statSyncNoException(messagesPath)) {
    messagesPath = path.join(localesDirectory, defaultLocale, 'messages.json')
  }
  return messagesPath
}

const getMessages = (extensionId, language) => {
  try {
    const messagesPath = getMessagesPath(extensionId, language)
    return JSON.parse(fs.readFileSync(messagesPath)) || {}
  } catch (error) {
    return {}
  }
}

const getLanguage = () => {
  return navigator.language.replace(/-.*$/, '').toLowerCase()
}

const replaceNumberedSubstitutions = (message, substitutions) => {
  return message.replace(/\$(\d+)/, (_, number) => {
    const index = parseInt(number, 10) - 1
    return substitutions[index] || ''
  })
}

const replacePlaceholders = (message, placeholders, substitutions) => {
  if (typeof substitutions === 'string') {
    substitutions = [substitutions]
  }
  if (!Array.isArray(substitutions)) {
    substitutions = []
  }

  if (placeholders) {
    Object.keys(placeholders).forEach((name) => {
      let {content} = placeholders[name]
      content = replaceNumberedSubstitutions(content, substitutions)
      message = message.replace(new RegExp(`\\$${name}\\$`, 'gi'), content)
    })
  }

  return replaceNumberedSubstitutions(message, substitutions)
}

const getMessage = (extensionId, messageName, substitutions) => {
  const messages = getMessages(extensionId, getLanguage())
  if (messages.hasOwnProperty(messageName)) {
    const {message, placeholders} = messages[messageName]
    return replacePlaceholders(message, placeholders, substitutions)
  }
}

exports.setup = (extensionId) => {
  return {
    getMessage (messageName, substitutions) {
      return getMessage(extensionId, messageName, substitutions)
    }
  }
}
const getStorage = (storageType) => {
  const data = window.localStorage.getItem(`__chrome.storage.${storageType}__`)
  if (data != null) {
    return JSON.parse(data)
  } else {
    return {}
  }
}

const setStorage = (storageType, storage) => {
  const json = JSON.stringify(storage)
  window.localStorage.setItem(`__chrome.storage.${storageType}__`, json)
}

const scheduleCallback = (items, callback) => {
  setTimeout(function () {
    callback(items)
  })
}

const getStorageManager = (storageType) => {
  return {
    get (keys, callback) {
      const storage = getStorage(storageType)
      if (keys == null) return scheduleCallback(storage, callback)

      let defaults = {}
      switch (typeof keys) {
        case 'string':
          keys = [keys]
          break
        case 'object':
          if (!Array.isArray(keys)) {
            defaults = keys
            keys = Object.keys(keys)
          }
          break
      }
      if (keys.length === 0) return scheduleCallback({}, callback)

      let items = {}
      keys.forEach(function (key) {
        var value = storage[key]
        if (value == null) value = defaults[key]
        items[key] = value
      })
      scheduleCallback(items, callback)
    },

    set (items, callback) {
      const storage = getStorage(storageType)

      Object.keys(items).forEach(function (name) {
        storage[name] = items[name]
      })

      setStorage(storageType, storage)

      setTimeout(callback)
    },

    remove (keys, callback) {
      const storage = getStorage(storageType)

      if (!Array.isArray(keys)) {
        keys = [keys]
      }
      keys.forEach(function (key) {
        delete storage[key]
      })

      setStorage(storageType, storage)

      setTimeout(callback)
    },

    clear (callback) {
      setStorage(storageType, {})

      setTimeout(callback)
    }
  }
}

module.exports = {
  sync: getStorageManager('sync'),
  local: getStorageManager('local')
}
const Event = require('./event')
const {ipcRenderer} = require('electron')

class WebNavigation {
  constructor () {
    this.onBeforeNavigate = new Event()
    this.onCompleted = new Event()

    ipcRenderer.on('CHROME_WEBNAVIGATION_ONBEFORENAVIGATE', (event, details) => {
      this.onBeforeNavigate.emit(details)
    })

    ipcRenderer.on('CHROME_WEBNAVIGATION_ONCOMPLETED', (event, details) => {
      this.onCompleted.emit(details)
    })
  }
}

exports.setup = () => {
  return new WebNavigation()
}
'use strict'

const events = require('events')
const path = require('path')
const Module = require('module')
const resolvePromise = Promise.resolve.bind(Promise)

// We modified the original process.argv to let node.js load the
// init.js, we need to restore it here.
process.argv.splice(1, 1)

// Clear search paths.
require('../common/reset-search-paths')

// Import common settings.
require('../common/init')

var globalPaths = Module.globalPaths

// Expose public APIs.
globalPaths.push(path.join(__dirname, 'api', 'exports'))

// The global variable will be used by ipc for event dispatching
var v8Util = process.atomBinding('v8_util')

v8Util.setHiddenValue(global, 'ipc', new events.EventEmitter())

// Use electron module after everything is ready.
const electron = require('electron')

// Call webFrame method.
electron.ipcRenderer.on('ELECTRON_INTERNAL_RENDERER_WEB_FRAME_METHOD', (event, method, args) => {
  electron.webFrame[method](...args)
})

electron.ipcRenderer.on('ELECTRON_INTERNAL_RENDERER_SYNC_WEB_FRAME_METHOD', (event, requestId, method, args) => {
  const result = electron.webFrame[method](...args)
  event.sender.send(`ELECTRON_INTERNAL_BROWSER_SYNC_WEB_FRAME_RESPONSE_${requestId}`, result)
})

electron.ipcRenderer.on('ELECTRON_INTERNAL_RENDERER_ASYNC_WEB_FRAME_METHOD', (event, requestId, method, args) => {
  const responseCallback = function (result) {
    resolvePromise(result)
      .then((resolvedResult) => {
        event.sender.send(`ELECTRON_INTERNAL_BROWSER_ASYNC_WEB_FRAME_RESPONSE_${requestId}`, null, resolvedResult)
      })
      .catch((resolvedError) => {
        event.sender.send(`ELECTRON_INTERNAL_BROWSER_ASYNC_WEB_FRAME_RESPONSE_${requestId}`, resolvedError)
      })
  }
  args.push(responseCallback)
  electron.webFrame[method](...args)
})

// Process command line arguments.
let nodeIntegration = 'false'
let preloadScript = null
let isBackgroundPage = false
let appPath = null
for (let arg of process.argv) {
  if (arg.indexOf('--guest-instance-id=') === 0) {
    // This is a guest web view.
    process.guestInstanceId = parseInt(arg.substr(arg.indexOf('=') + 1))
  } else if (arg.indexOf('--opener-id=') === 0) {
    // This is a guest BrowserWindow.
    process.openerId = parseInt(arg.substr(arg.indexOf('=') + 1))
  } else if (arg.indexOf('--node-integration=') === 0) {
    nodeIntegration = arg.substr(arg.indexOf('=') + 1)
  } else if (arg.indexOf('--preload=') === 0) {
    preloadScript = arg.substr(arg.indexOf('=') + 1)
  } else if (arg === '--background-page') {
    isBackgroundPage = true
  } else if (arg.indexOf('--app-path=') === 0) {
    appPath = arg.substr(arg.indexOf('=') + 1)
  }
}

if (window.location.protocol === 'chrome-devtools:') {
  // Override some inspector APIs.
  require('./inspector')
  nodeIntegration = 'false'
} else if (window.location.protocol === 'chrome-extension:') {
  // Add implementations of chrome API.
  require('./chrome-api').injectTo(window.location.hostname, isBackgroundPage, window)
  nodeIntegration = 'false'
} else if (window.location.protocol === 'chrome:') {
  // Disable node integration for chrome UI scheme.
  nodeIntegration = 'false'
} else {
  // Override default web functions.
  require('./override')

  // Inject content scripts.
  require('./content-scripts-injector')

  // Load webview tag implementation.
  if (nodeIntegration === 'true' && process.guestInstanceId == null) {
    require('./web-view/web-view')
    require('./web-view/web-view-attributes')
  }
}

if (nodeIntegration === 'true') {
  // Export node bindings to global.
  global.require = require
  global.module = module

  // Set the __filename to the path of html file if it is file: protocol.
  if (window.location.protocol === 'file:') {
    var pathname = process.platform === 'win32' && window.location.pathname[0] === '/' ? window.location.pathname.substr(1) : window.location.pathname
    global.__filename = path.normalize(decodeURIComponent(pathname))
    global.__dirname = path.dirname(global.__filename)

    // Set module's filename so relative require can work as expected.
    module.filename = global.__filename

    // Also search for module under the html file.
    module.paths = module.paths.concat(Module._nodeModulePaths(global.__dirname))
  } else {
    global.__filename = __filename
    global.__dirname = __dirname

    if (appPath) {
      // Search for module under the app directory
      module.paths = module.paths.concat(Module._nodeModulePaths(appPath))
    }
  }

  // Redirect window.onerror to uncaughtException.
  window.onerror = function (message, filename, lineno, colno, error) {
    if (global.process.listeners('uncaughtException').length > 0) {
      global.process.emit('uncaughtException', error)
      return true
    } else {
      return false
    }
  }
} else {
  // Delete Node's symbols after the Environment has been loaded.
  process.once('loaded', function () {
    delete global.process
    delete global.Buffer
    delete global.setImmediate
    delete global.clearImmediate
    delete global.global
  })
}

// Load the script specfied by the "preload" attribute.
if (preloadScript) {
  try {
    require(preloadScript)
  } catch (error) {
    console.error('Unable to load preload script: ' + preloadScript)
    console.error(error.stack || error.message)
  }
}
window.onload = function () {
  // Use menu API to show context menu.
  window.InspectorFrontendHost.showContextMenuAtPoint = createMenu

  // Use dialog API to override file chooser dialog.
  // Note: It will be moved to UI after Chrome 57.
  window.Bindings.createFileSelectorElement = createFileSelectorElement
}

window.confirm = function (message, title) {
  const {dialog} = require('electron').remote
  if (title == null) {
    title = ''
  }
  return !dialog.showMessageBox({
    message: message,
    title: title,
    buttons: ['OK', 'Cancel'],
    cancelId: 1
  })
}

const convertToMenuTemplate = function (items) {
  return items.map(function (item) {
    const transformed = item.type === 'subMenu' ? {
      type: 'submenu',
      label: item.label,
      enabled: item.enabled,
      submenu: convertToMenuTemplate(item.subItems)
    } : item.type === 'separator' ? {
      type: 'separator'
    } : item.type === 'checkbox' ? {
      type: 'checkbox',
      label: item.label,
      enabled: item.enabled,
      checked: item.checked
    } : {
      type: 'normal',
      label: item.label,
      enabled: item.enabled
    }

    if (item.id != null) {
      transformed.click = function () {
        window.DevToolsAPI.contextMenuItemSelected(item.id)
        return window.DevToolsAPI.contextMenuCleared()
      }
    }

    return transformed
  })
}

const createMenu = function (x, y, items) {
  const {remote} = require('electron')
  const {Menu} = remote

  let template = convertToMenuTemplate(items)
  if (useEditMenuItems(x, y, template)) {
    template = getEditMenuItems()
  }
  const menu = Menu.buildFromTemplate(template)

  // The menu is expected to show asynchronously.
  setTimeout(function () {
    menu.popup(remote.getCurrentWindow())
  })
}

const useEditMenuItems = function (x, y, items) {
  return items.length === 0 && document.elementsFromPoint(x, y).some(function (element) {
    return element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA' || element.isContentEditable
  })
}

const getEditMenuItems = function () {
  return [
    {
      role: 'undo'
    },
    {
      role: 'redo'
    },
    {
      type: 'separator'
    },
    {
      role: 'cut'
    },
    {
      role: 'copy'
    },
    {
      role: 'paste'
    },
    {
      role: 'pasteandmatchstyle'
    },
    {
      role: 'delete'
    },
    {
      role: 'selectall'
    }
  ]
}

const showFileChooserDialog = function (callback) {
  const {dialog} = require('electron').remote
  const files = dialog.showOpenDialog({})
  if (files != null) {
    callback(pathToHtml5FileObject(files[0]))
  }
}

const pathToHtml5FileObject = function (path) {
  const fs = require('fs')
  const blob = new Blob([fs.readFileSync(path)])
  blob.name = path
  return blob
}

const createFileSelectorElement = function (callback) {
  const fileSelectorElement = document.createElement('span')
  fileSelectorElement.style.display = 'none'
  fileSelectorElement.click = showFileChooserDialog.bind(this, callback)
  return fileSelectorElement
}
'use strict'

const {ipcRenderer} = require('electron')

const {guestInstanceId, openerId} = process
const hiddenPage = process.argv.includes('--hidden-page')

require('./window-setup')(ipcRenderer, guestInstanceId, openerId, hiddenPage)
'use strict'

const {ipcRenderer, webFrame} = require('electron')

let requestId = 0

const WEB_VIEW_EVENTS = {
  'load-commit': ['url', 'isMainFrame'],
  'did-attach': [],
  'did-finish-load': [],
  'did-fail-load': ['errorCode', 'errorDescription', 'validatedURL', 'isMainFrame'],
  'did-frame-finish-load': ['isMainFrame'],
  'did-start-loading': [],
  'did-stop-loading': [],
  'did-get-response-details': ['status', 'newURL', 'originalURL', 'httpResponseCode', 'requestMethod', 'referrer', 'headers', 'resourceType'],
  'did-get-redirect-request': ['oldURL', 'newURL', 'isMainFrame'],
  'dom-ready': [],
  'console-message': ['level', 'message', 'line', 'sourceId'],
  'context-menu': ['params'],
  'devtools-opened': [],
  'devtools-closed': [],
  'devtools-focused': [],
  'new-window': ['url', 'frameName', 'disposition', 'options'],
  'will-navigate': ['url'],
  'did-navigate': ['url'],
  'did-navigate-in-page': ['url', 'isMainFrame'],
  'close': [],
  'crashed': [],
  'gpu-crashed': [],
  'plugin-crashed': ['name', 'version'],
  'destroyed': [],
  'page-title-updated': ['title', 'explicitSet'],
  'page-favicon-updated': ['favicons'],
  'enter-html-full-screen': [],
  'leave-html-full-screen': [],
  'media-started-playing': [],
  'media-paused': [],
  'found-in-page': ['result'],
  'did-change-theme-color': ['themeColor'],
  'update-target-url': ['url']
}

const DEPRECATED_EVENTS = {
  'page-title-updated': 'page-title-set'
}

const dispatchEvent = function (webView, eventName, eventKey, ...args) {
  if (DEPRECATED_EVENTS[eventName] != null) {
    dispatchEvent(webView, DEPRECATED_EVENTS[eventName], eventKey, ...args)
  }
  const domEvent = new Event(eventName)
  WEB_VIEW_EVENTS[eventKey].forEach((prop, index) => {
    domEvent[prop] = args[index]
  })
  webView.dispatchEvent(domEvent)
  if (eventName === 'load-commit') {
    webView.onLoadCommit(domEvent)
  }
}

module.exports = {
  registerEvents: function (webView, viewInstanceId) {
    ipcRenderer.on(`ELECTRON_GUEST_VIEW_INTERNAL_DESTROY_GUEST-${viewInstanceId}`, function () {
      webFrame.detachGuest(webView.internalInstanceId)
      webView.guestInstanceId = undefined
      webView.reset()
      const domEvent = new Event('destroyed')
      webView.dispatchEvent(domEvent)
    })

    ipcRenderer.on(`ELECTRON_GUEST_VIEW_INTERNAL_DISPATCH_EVENT-${viewInstanceId}`, function (event, eventName, ...args) {
      dispatchEvent(webView, eventName, eventName, ...args)
    })

    ipcRenderer.on(`ELECTRON_GUEST_VIEW_INTERNAL_IPC_MESSAGE-${viewInstanceId}`, function (event, channel, ...args) {
      const domEvent = new Event('ipc-message')
      domEvent.channel = channel
      domEvent.args = args
      webView.dispatchEvent(domEvent)
    })

    ipcRenderer.on(`ELECTRON_GUEST_VIEW_INTERNAL_SIZE_CHANGED-${viewInstanceId}`, function (event, ...args) {
      const domEvent = new Event('size-changed')
      const props = ['oldWidth', 'oldHeight', 'newWidth', 'newHeight']
      for (let i = 0; i < props.length; i++) {
        const prop = props[i]
        domEvent[prop] = args[i]
      }
      webView.onSizeChanged(domEvent)
    })
  },
  deregisterEvents: function (viewInstanceId) {
    ipcRenderer.removeAllListeners(`ELECTRON_GUEST_VIEW_INTERNAL_DESTROY_GUEST-${viewInstanceId}`)
    ipcRenderer.removeAllListeners(`ELECTRON_GUEST_VIEW_INTERNAL_DISPATCH_EVENT-${viewInstanceId}`)
    ipcRenderer.removeAllListeners(`ELECTRON_GUEST_VIEW_INTERNAL_IPC_MESSAGE-${viewInstanceId}`)
    ipcRenderer.removeAllListeners(`ELECTRON_GUEST_VIEW_INTERNAL_SIZE_CHANGED-${viewInstanceId}`)
  },
  createGuest: function (params, callback) {
    requestId++
    ipcRenderer.send('ELECTRON_GUEST_VIEW_MANAGER_CREATE_GUEST', params, requestId)
    ipcRenderer.once(`ELECTRON_RESPONSE_${requestId}`, callback)
  },
  attachGuest: function (elementInstanceId, guestInstanceId, params) {
    ipcRenderer.send('ELECTRON_GUEST_VIEW_MANAGER_ATTACH_GUEST', elementInstanceId, guestInstanceId, params)
    webFrame.attachGuest(elementInstanceId)
  },
  destroyGuest: function (guestInstanceId) {
    ipcRenderer.send('ELECTRON_GUEST_VIEW_MANAGER_DESTROY_GUEST', guestInstanceId)
  },
  setSize: function (guestInstanceId, params) {
    ipcRenderer.send('ELECTRON_GUEST_VIEW_MANAGER_SET_SIZE', guestInstanceId, params)
  }
}
'use strict'

const WebViewImpl = require('./web-view')
const guestViewInternal = require('./guest-view-internal')
const webViewConstants = require('./web-view-constants')
const {remote} = require('electron')

// Helper function to resolve url set in attribute.
const a = document.createElement('a')

const resolveURL = function (url) {
  if (url === '') return ''
  a.href = url
  return a.href
}

// Attribute objects.
// Default implementation of a WebView attribute.
class WebViewAttribute {
  constructor (name, webViewImpl) {
    this.name = name
    this.value = webViewImpl.webviewNode[name] || ''
    this.webViewImpl = webViewImpl
    this.ignoreMutation = false
    this.defineProperty()
  }

  // Retrieves and returns the attribute's value.
  getValue () {
    return this.webViewImpl.webviewNode.getAttribute(this.name) || this.value
  }

  // Sets the attribute's value.
  setValue (value) {
    this.webViewImpl.webviewNode.setAttribute(this.name, value || '')
  }

  // Changes the attribute's value without triggering its mutation handler.
  setValueIgnoreMutation (value) {
    this.ignoreMutation = true
    this.setValue(value)
    this.ignoreMutation = false
  }

  // Defines this attribute as a property on the webview node.
  defineProperty () {
    return Object.defineProperty(this.webViewImpl.webviewNode, this.name, {
      get: () => {
        return this.getValue()
      },
      set: (value) => {
        return this.setValue(value)
      },
      enumerable: true
    })
  }

  // Called when the attribute's value changes.
  handleMutation () {}
}

// An attribute that is treated as a Boolean.
class BooleanAttribute extends WebViewAttribute {
  getValue () {
    return this.webViewImpl.webviewNode.hasAttribute(this.name)
  }

  setValue (value) {
    if (value) {
      this.webViewImpl.webviewNode.setAttribute(this.name, '')
    } else {
      this.webViewImpl.webviewNode.removeAttribute(this.name)
    }
  }
}

// Attribute used to define the demension limits of autosizing.
class AutosizeDimensionAttribute extends WebViewAttribute {
  getValue () {
    return parseInt(this.webViewImpl.webviewNode.getAttribute(this.name)) || 0
  }

  handleMutation () {
    if (!this.webViewImpl.guestInstanceId) {
      return
    }
    guestViewInternal.setSize(this.webViewImpl.guestInstanceId, {
      enableAutoSize: this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_AUTOSIZE].getValue(),
      min: {
        width: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MINWIDTH].getValue() || 0),
        height: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MINHEIGHT].getValue() || 0)
      },
      max: {
        width: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MAXWIDTH].getValue() || 0),
        height: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MAXHEIGHT].getValue() || 0)
      }
    })
  }
}

// Attribute that specifies whether the webview should be autosized.
class AutosizeAttribute extends BooleanAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_AUTOSIZE, webViewImpl)
  }
}

AutosizeAttribute.prototype.handleMutation = AutosizeDimensionAttribute.prototype.handleMutation

// Attribute representing the state of the storage partition.
class PartitionAttribute extends WebViewAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_PARTITION, webViewImpl)
    this.validPartitionId = true
  }

  handleMutation (oldValue, newValue) {
    newValue = newValue || ''

    // The partition cannot change if the webview has already navigated.
    if (!this.webViewImpl.beforeFirstNavigation) {
      window.console.error(webViewConstants.ERROR_MSG_ALREADY_NAVIGATED)
      this.setValueIgnoreMutation(oldValue)
      return
    }
    if (newValue === 'persist:') {
      this.validPartitionId = false
      window.console.error(webViewConstants.ERROR_MSG_INVALID_PARTITION_ATTRIBUTE)
    }
  }
}

// An attribute that controls the guest instance this webview is connected to
class GuestInstanceAttribute extends WebViewAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_GUESTINSTANCE, webViewImpl)
  }

  // Retrieves and returns the attribute's value.
  getValue () {
    if (this.webViewImpl.webviewNode.hasAttribute(this.name)) {
      return parseInt(this.webViewImpl.webviewNode.getAttribute(this.name))
    }
  }

  // Sets the attribute's value.
  setValue (value) {
    if (!value) {
      this.webViewImpl.webviewNode.removeAttribute(this.name)
    } else if (!isNaN(value)) {
      this.webViewImpl.webviewNode.setAttribute(this.name, value)
    }
  }

  handleMutation (oldValue, newValue) {
    if (!newValue) {
      this.webViewImpl.reset()
      return
    }

    const intVal = parseInt(newValue)
    if (!isNaN(newValue) && remote.getGuestWebContents(intVal)) {
      this.webViewImpl.attachGuestInstance(intVal)
    } else {
      this.setValueIgnoreMutation(oldValue)
    }
  }
}

// Attribute that handles the location and navigation of the webview.
class SrcAttribute extends WebViewAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_SRC, webViewImpl)
    this.setupMutationObserver()
  }

  getValue () {
    if (this.webViewImpl.webviewNode.hasAttribute(this.name)) {
      return resolveURL(this.webViewImpl.webviewNode.getAttribute(this.name))
    } else {
      return this.value
    }
  }

  setValueIgnoreMutation (value) {
    super.setValueIgnoreMutation(value)

    // takeRecords() is needed to clear queued up src mutations. Without it, it
    // is possible for this change to get picked up asyncronously by src's
    // mutation observer |observer|, and then get handled even though we do not
    // want to handle this mutation.
    this.observer.takeRecords()
  }

  handleMutation (oldValue, newValue) {
    // Once we have navigated, we don't allow clearing the src attribute.
    // Once <webview> enters a navigated state, it cannot return to a
    // placeholder state.
    if (!newValue && oldValue) {
      // src attribute changes normally initiate a navigation. We suppress
      // the next src attribute handler call to avoid reloading the page
      // on every guest-initiated navigation.
      this.setValueIgnoreMutation(oldValue)
      return
    }
    this.parse()
  }

  // The purpose of this mutation observer is to catch assignment to the src
  // attribute without any changes to its value. This is useful in the case
  // where the webview guest has crashed and navigating to the same address
  // spawns off a new process.
  setupMutationObserver () {
    this.observer = new MutationObserver((mutations) => {
      for (const mutation of mutations) {
        const {oldValue} = mutation
        const newValue = this.getValue()
        if (oldValue !== newValue) {
          return
        }
        this.handleMutation(oldValue, newValue)
      }
    })
    const params = {
      attributes: true,
      attributeOldValue: true,
      attributeFilter: [this.name]
    }
    this.observer.observe(this.webViewImpl.webviewNode, params)
  }

  parse () {
    if (!this.webViewImpl.elementAttached || !this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_PARTITION].validPartitionId || !this.getValue()) {
      return
    }
    if (this.webViewImpl.guestInstanceId == null) {
      if (this.webViewImpl.beforeFirstNavigation) {
        this.webViewImpl.beforeFirstNavigation = false
        this.webViewImpl.createGuest()
      }
      return
    }

    // Navigate to |this.src|.
    const opts = {}
    const httpreferrer = this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_HTTPREFERRER].getValue()
    if (httpreferrer) {
      opts.httpReferrer = httpreferrer
    }
    const useragent = this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_USERAGENT].getValue()
    if (useragent) {
      opts.userAgent = useragent
    }
    const guestContents = remote.getGuestWebContents(this.webViewImpl.guestInstanceId)
    guestContents.loadURL(this.getValue(), opts)
  }
}

// Attribute specifies HTTP referrer.
class HttpReferrerAttribute extends WebViewAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_HTTPREFERRER, webViewImpl)
  }
}

// Attribute specifies user agent
class UserAgentAttribute extends WebViewAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_USERAGENT, webViewImpl)
  }
}

// Attribute that set preload script.
class PreloadAttribute extends WebViewAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_PRELOAD, webViewImpl)
  }

  getValue () {
    if (!this.webViewImpl.webviewNode.hasAttribute(this.name)) {
      return this.value
    }
    let preload = resolveURL(this.webViewImpl.webviewNode.getAttribute(this.name))
    const protocol = preload.substr(0, 5)
    if (protocol !== 'file:') {
      console.error(webViewConstants.ERROR_MSG_INVALID_PRELOAD_ATTRIBUTE)
      preload = ''
    }
    return preload
  }
}

// Attribute that specifies the blink features to be enabled.
class BlinkFeaturesAttribute extends WebViewAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_BLINKFEATURES, webViewImpl)
  }
}

// Attribute that specifies the blink features to be disabled.
class DisableBlinkFeaturesAttribute extends WebViewAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_DISABLEBLINKFEATURES, webViewImpl)
  }
}

// Attribute that specifies the web preferences to be enabled.
class WebPreferencesAttribute extends WebViewAttribute {
  constructor (webViewImpl) {
    super(webViewConstants.ATTRIBUTE_WEBPREFERENCES, webViewImpl)
  }
}

// Sets up all of the webview attributes.
WebViewImpl.prototype.setupWebViewAttributes = function () {
  this.attributes = {}
  this.attributes[webViewConstants.ATTRIBUTE_AUTOSIZE] = new AutosizeAttribute(this)
  this.attributes[webViewConstants.ATTRIBUTE_PARTITION] = new PartitionAttribute(this)
  this.attributes[webViewConstants.ATTRIBUTE_SRC] = new SrcAttribute(this)
  this.attributes[webViewConstants.ATTRIBUTE_HTTPREFERRER] = new HttpReferrerAttribute(this)
  this.attributes[webViewConstants.ATTRIBUTE_USERAGENT] = new UserAgentAttribute(this)
  this.attributes[webViewConstants.ATTRIBUTE_NODEINTEGRATION] = new BooleanAttribute(webViewConstants.ATTRIBUTE_NODEINTEGRATION, this)
  this.attributes[webViewConstants.ATTRIBUTE_PLUGINS] = new BooleanAttribute(webViewConstants.ATTRIBUTE_PLUGINS, this)
  this.attributes[webViewConstants.ATTRIBUTE_DISABLEWEBSECURITY] = new BooleanAttribute(webViewConstants.ATTRIBUTE_DISABLEWEBSECURITY, this)
  this.attributes[webViewConstants.ATTRIBUTE_ALLOWPOPUPS] = new BooleanAttribute(webViewConstants.ATTRIBUTE_ALLOWPOPUPS, this)
  this.attributes[webViewConstants.ATTRIBUTE_PRELOAD] = new PreloadAttribute(this)
  this.attributes[webViewConstants.ATTRIBUTE_BLINKFEATURES] = new BlinkFeaturesAttribute(this)
  this.attributes[webViewConstants.ATTRIBUTE_DISABLEBLINKFEATURES] = new DisableBlinkFeaturesAttribute(this)
  this.attributes[webViewConstants.ATTRIBUTE_GUESTINSTANCE] = new GuestInstanceAttribute(this)
  this.attributes[webViewConstants.ATTRIBUTE_DISABLEGUESTRESIZE] = new BooleanAttribute(webViewConstants.ATTRIBUTE_DISABLEGUESTRESIZE, this)
  this.attributes[webViewConstants.ATTRIBUTE_WEBPREFERENCES] = new WebPreferencesAttribute(this)

  const autosizeAttributes = [webViewConstants.ATTRIBUTE_MAXHEIGHT, webViewConstants.ATTRIBUTE_MAXWIDTH, webViewConstants.ATTRIBUTE_MINHEIGHT, webViewConstants.ATTRIBUTE_MINWIDTH]
  autosizeAttributes.forEach((attribute) => {
    this.attributes[attribute] = new AutosizeDimensionAttribute(attribute, this)
  })
}
module.exports = {
  // Attributes.
  ATTRIBUTE_AUTOSIZE: 'autosize',
  ATTRIBUTE_MAXHEIGHT: 'maxheight',
  ATTRIBUTE_MAXWIDTH: 'maxwidth',
  ATTRIBUTE_MINHEIGHT: 'minheight',
  ATTRIBUTE_MINWIDTH: 'minwidth',
  ATTRIBUTE_NAME: 'name',
  ATTRIBUTE_PARTITION: 'partition',
  ATTRIBUTE_SRC: 'src',
  ATTRIBUTE_HTTPREFERRER: 'httpreferrer',
  ATTRIBUTE_NODEINTEGRATION: 'nodeintegration',
  ATTRIBUTE_PLUGINS: 'plugins',
  ATTRIBUTE_DISABLEWEBSECURITY: 'disablewebsecurity',
  ATTRIBUTE_ALLOWPOPUPS: 'allowpopups',
  ATTRIBUTE_PRELOAD: 'preload',
  ATTRIBUTE_USERAGENT: 'useragent',
  ATTRIBUTE_BLINKFEATURES: 'blinkfeatures',
  ATTRIBUTE_DISABLEBLINKFEATURES: 'disableblinkfeatures',
  ATTRIBUTE_GUESTINSTANCE: 'guestinstance',
  ATTRIBUTE_DISABLEGUESTRESIZE: 'disableguestresize',
  ATTRIBUTE_WEBPREFERENCES: 'webpreferences',

  // Internal attribute.
  ATTRIBUTE_INTERNALINSTANCEID: 'internalinstanceid',

  // Error messages.
  ERROR_MSG_ALREADY_NAVIGATED: 'The object has already navigated, so its partition cannot be changed.',
  ERROR_MSG_CANNOT_INJECT_SCRIPT: '<webview>: ' + 'Script cannot be injected into content until the page has loaded.',
  ERROR_MSG_INVALID_PARTITION_ATTRIBUTE: 'Invalid partition attribute.',
  ERROR_MSG_INVALID_PRELOAD_ATTRIBUTE: 'Only "file:" protocol is supported in "preload" attribute.'
}
'use strict'

const {ipcRenderer, remote, webFrame} = require('electron')

const v8Util = process.atomBinding('v8_util')
const guestViewInternal = require('./guest-view-internal')
const webViewConstants = require('./web-view-constants')

const hasProp = {}.hasOwnProperty

// ID generator.
let nextId = 0

const getNextId = function () {
  return ++nextId
}

// Represents the internal state of the WebView node.
class WebViewImpl {
  constructor (webviewNode) {
    this.webviewNode = webviewNode
    v8Util.setHiddenValue(this.webviewNode, 'internal', this)
    this.attached = false
    this.elementAttached = false
    this.beforeFirstNavigation = true

    // on* Event handlers.
    this.on = {}
    this.browserPluginNode = this.createBrowserPluginNode()
    const shadowRoot = this.webviewNode.createShadowRoot()
    shadowRoot.innerHTML = '<!DOCTYPE html><style type="text/css">:host { display: flex; }</style>'
    this.setupWebViewAttributes()
    this.setupFocusPropagation()
    this.viewInstanceId = getNextId()
    shadowRoot.appendChild(this.browserPluginNode)
  }

  createBrowserPluginNode () {
    // We create BrowserPlugin as a custom element in order to observe changes
    // to attributes synchronously.
    const browserPluginNode = new WebViewImpl.BrowserPlugin()
    v8Util.setHiddenValue(browserPluginNode, 'internal', this)
    return browserPluginNode
  }

  // Resets some state upon reattaching <webview> element to the DOM.
  reset () {
    // If guestInstanceId is defined then the <webview> has navigated and has
    // already picked up a partition ID. Thus, we need to reset the initialization
    // state. However, it may be the case that beforeFirstNavigation is false BUT
    // guestInstanceId has yet to be initialized. This means that we have not
    // heard back from createGuest yet. We will not reset the flag in this case so
    // that we don't end up allocating a second guest.
    if (this.guestInstanceId) {
      guestViewInternal.destroyGuest(this.guestInstanceId)
      this.guestInstanceId = void 0
    }

    this.webContents = null
    this.beforeFirstNavigation = true
    this.attributes[webViewConstants.ATTRIBUTE_PARTITION].validPartitionId = true

    // Set guestinstance last since this can trigger the attachedCallback to fire
    // when moving the webview using element.replaceChild
    this.attributes[webViewConstants.ATTRIBUTE_GUESTINSTANCE].setValueIgnoreMutation(undefined)
  }

  // Sets the <webview>.request property.
  setRequestPropertyOnWebViewNode (request) {
    Object.defineProperty(this.webviewNode, 'request', {
      value: request,
      enumerable: true
    })
  }

  setupFocusPropagation () {
    if (!this.webviewNode.hasAttribute('tabIndex')) {
      // <webview> needs a tabIndex in order to be focusable.
      // TODO(fsamuel): It would be nice to avoid exposing a tabIndex attribute
      // to allow <webview> to be focusable.
      // See http://crbug.com/231664.
      this.webviewNode.setAttribute('tabIndex', -1)
    }

    // Focus the BrowserPlugin when the <webview> takes focus.
    this.webviewNode.addEventListener('focus', () => {
      this.browserPluginNode.focus()
    })

    // Blur the BrowserPlugin when the <webview> loses focus.
    this.webviewNode.addEventListener('blur', () => {
      this.browserPluginNode.blur()
    })
  }

  // This observer monitors mutations to attributes of the <webview> and
  // updates the BrowserPlugin properties accordingly. In turn, updating
  // a BrowserPlugin property will update the corresponding BrowserPlugin
  // attribute, if necessary. See BrowserPlugin::UpdateDOMAttribute for more
  // details.
  handleWebviewAttributeMutation (attributeName, oldValue, newValue) {
    if (!this.attributes[attributeName] || this.attributes[attributeName].ignoreMutation) {
      return
    }

    // Let the changed attribute handle its own mutation
    this.attributes[attributeName].handleMutation(oldValue, newValue)
  }

  handleBrowserPluginAttributeMutation (attributeName, oldValue, newValue) {
    if (attributeName === webViewConstants.ATTRIBUTE_INTERNALINSTANCEID && !oldValue && !!newValue) {
      this.browserPluginNode.removeAttribute(webViewConstants.ATTRIBUTE_INTERNALINSTANCEID)
      this.internalInstanceId = parseInt(newValue)

      // Track when the element resizes using the element resize callback.
      webFrame.registerElementResizeCallback(this.internalInstanceId, this.onElementResize.bind(this))
      if (this.guestInstanceId) {
        guestViewInternal.attachGuest(this.internalInstanceId, this.guestInstanceId, this.buildParams())
      }
    }
  }

  onSizeChanged (webViewEvent) {
    const {newHeight, newWidth} = webViewEvent
    const node = this.webviewNode
    const width = node.offsetWidth

    // Check the current bounds to make sure we do not resize <webview>
    // outside of current constraints.
    const maxWidth = this.attributes[webViewConstants.ATTRIBUTE_MAXWIDTH].getValue() | width
    const maxHeight = this.attributes[webViewConstants.ATTRIBUTE_MAXHEIGHT].getValue() | width
    let minWidth = this.attributes[webViewConstants.ATTRIBUTE_MINWIDTH].getValue() | width
    let minHeight = this.attributes[webViewConstants.ATTRIBUTE_MINHEIGHT].getValue() | width
    minWidth = Math.min(minWidth, maxWidth)
    minHeight = Math.min(minHeight, maxHeight)
    if (!this.attributes[webViewConstants.ATTRIBUTE_AUTOSIZE].getValue() || (newWidth >= minWidth && newWidth <= maxWidth && newHeight >= minHeight && newHeight <= maxHeight)) {
      node.style.width = `${newWidth}px`
      node.style.height = `${newHeight}px`

      // Only fire the DOM event if the size of the <webview> has actually
      // changed.
      this.dispatchEvent(webViewEvent)
    }
  }

  onElementResize (newSize) {
    // Dispatch the 'resize' event.
    const resizeEvent = new Event('resize', {
      bubbles: true
    })

    // Using client size values, because when a webview is transformed `newSize`
    // is incorrect
    newSize.width = this.webviewNode.clientWidth
    newSize.height = this.webviewNode.clientHeight

    resizeEvent.newWidth = newSize.width
    resizeEvent.newHeight = newSize.height
    this.dispatchEvent(resizeEvent)
    if (this.guestInstanceId &&
        !this.attributes[webViewConstants.ATTRIBUTE_DISABLEGUESTRESIZE].getValue()) {
      guestViewInternal.setSize(this.guestInstanceId, {
        normal: newSize
      })
    }
  }

  createGuest () {
    return guestViewInternal.createGuest(this.buildParams(), (event, guestInstanceId) => {
      this.attachGuestInstance(guestInstanceId)
    })
  }

  dispatchEvent (webViewEvent) {
    this.webviewNode.dispatchEvent(webViewEvent)
  }

  // Adds an 'on<event>' property on the webview, which can be used to set/unset
  // an event handler.
  setupEventProperty (eventName) {
    const propertyName = `on${eventName.toLowerCase()}`
    return Object.defineProperty(this.webviewNode, propertyName, {
      get: () => {
        return this.on[propertyName]
      },
      set: (value) => {
        if (this.on[propertyName]) {
          this.webviewNode.removeEventListener(eventName, this.on[propertyName])
        }
        this.on[propertyName] = value
        if (value) {
          return this.webviewNode.addEventListener(eventName, value)
        }
      },
      enumerable: true
    })
  }

  // Updates state upon loadcommit.
  onLoadCommit (webViewEvent) {
    const oldValue = this.webviewNode.getAttribute(webViewConstants.ATTRIBUTE_SRC)
    const newValue = webViewEvent.url
    if (webViewEvent.isMainFrame && (oldValue !== newValue)) {
      // Touching the src attribute triggers a navigation. To avoid
      // triggering a page reload on every guest-initiated navigation,
      // we do not handle this mutation.
      this.attributes[webViewConstants.ATTRIBUTE_SRC].setValueIgnoreMutation(newValue)
    }
  }

  onAttach (storagePartitionId) {
    return this.attributes[webViewConstants.ATTRIBUTE_PARTITION].setValue(storagePartitionId)
  }

  buildParams () {
    const params = {
      instanceId: this.viewInstanceId,
      userAgentOverride: this.userAgentOverride
    }
    for (const attributeName in this.attributes) {
      if (hasProp.call(this.attributes, attributeName)) {
        params[attributeName] = this.attributes[attributeName].getValue()
      }
    }

    // When the WebView is not participating in layout (display:none)
    // then getBoundingClientRect() would report a width and height of 0.
    // However, in the case where the WebView has a fixed size we can
    // use that value to initially size the guest so as to avoid a relayout of
    // the on display:block.
    const css = window.getComputedStyle(this.webviewNode, null)
    const elementRect = this.webviewNode.getBoundingClientRect()
    params.elementWidth = parseInt(elementRect.width) || parseInt(css.getPropertyValue('width'))
    params.elementHeight = parseInt(elementRect.height) || parseInt(css.getPropertyValue('height'))
    return params
  }

  attachGuestInstance (guestInstanceId) {
    this.guestInstanceId = guestInstanceId
    this.attributes[webViewConstants.ATTRIBUTE_GUESTINSTANCE].setValueIgnoreMutation(guestInstanceId)
    this.webContents = remote.getGuestWebContents(this.guestInstanceId)
    if (!this.internalInstanceId) {
      return true
    }
    return guestViewInternal.attachGuest(this.internalInstanceId, this.guestInstanceId, this.buildParams())
  }
}

// Registers browser plugin <object> custom element.
const registerBrowserPluginElement = function () {
  const proto = Object.create(HTMLObjectElement.prototype)
  proto.createdCallback = function () {
    this.setAttribute('type', 'application/browser-plugin')
    this.setAttribute('id', `browser-plugin-${getNextId()}`)

    // The <object> node fills in the <webview> container.
    this.style.flex = '1 1 auto'
  }
  proto.attributeChangedCallback = function (name, oldValue, newValue) {
    const internal = v8Util.getHiddenValue(this, 'internal')
    if (internal) {
      internal.handleBrowserPluginAttributeMutation(name, oldValue, newValue)
    }
  }
  proto.attachedCallback = function () {
    // Load the plugin immediately.
    return this.nonExistentAttribute
  }
  WebViewImpl.BrowserPlugin = webFrame.registerEmbedderCustomElement('browserplugin', {
    'extends': 'object',
    prototype: proto
  })
  delete proto.createdCallback
  delete proto.attachedCallback
  delete proto.detachedCallback
  delete proto.attributeChangedCallback
}

// Registers <webview> custom element.
const registerWebViewElement = function () {
  const proto = Object.create(HTMLObjectElement.prototype)
  proto.createdCallback = function () {
    return new WebViewImpl(this)
  }
  proto.attributeChangedCallback = function (name, oldValue, newValue) {
    const internal = v8Util.getHiddenValue(this, 'internal')
    if (internal) {
      internal.handleWebviewAttributeMutation(name, oldValue, newValue)
    }
  }
  proto.detachedCallback = function () {
    const internal = v8Util.getHiddenValue(this, 'internal')
    if (!internal) {
      return
    }
    guestViewInternal.deregisterEvents(internal.viewInstanceId)
    internal.elementAttached = false
    this.internalInstanceId = 0
    internal.reset()
  }
  proto.attachedCallback = function () {
    const internal = v8Util.getHiddenValue(this, 'internal')
    if (!internal) {
      return
    }
    if (!internal.elementAttached) {
      guestViewInternal.registerEvents(internal, internal.viewInstanceId)
      internal.elementAttached = true
      const instance = internal.attributes[webViewConstants.ATTRIBUTE_GUESTINSTANCE].getValue()
      if (instance) {
        internal.attachGuestInstance(instance)
      } else {
        internal.attributes[webViewConstants.ATTRIBUTE_SRC].parse()
      }
    }
  }

  // Public-facing API methods.
  const methods = [
    'getURL',
    'loadURL',
    'getTitle',
    'isLoading',
    'isLoadingMainFrame',
    'isWaitingForResponse',
    'stop',
    'reload',
    'reloadIgnoringCache',
    'canGoBack',
    'canGoForward',
    'canGoToOffset',
    'clearHistory',
    'goBack',
    'goForward',
    'goToIndex',
    'goToOffset',
    'isCrashed',
    'setUserAgent',
    'getUserAgent',
    'openDevTools',
    'closeDevTools',
    'isDevToolsOpened',
    'isDevToolsFocused',
    'inspectElement',
    'setAudioMuted',
    'isAudioMuted',
    'undo',
    'redo',
    'cut',
    'copy',
    'paste',
    'pasteAndMatchStyle',
    'delete',
    'selectAll',
    'unselect',
    'replace',
    'replaceMisspelling',
    'findInPage',
    'stopFindInPage',
    'getId',
    'downloadURL',
    'inspectServiceWorker',
    'print',
    'printToPDF',
    'showDefinitionForSelection',
    'capturePage',
    'setZoomFactor',
    'setZoomLevel',
    'getZoomLevel',
    'getZoomFactor'
  ]
  const nonblockMethods = [
    'insertCSS',
    'insertText',
    'send',
    'sendInputEvent',
    'setLayoutZoomLevelLimits',
    'setVisualZoomLevelLimits',
    // TODO(kevinsawicki): Remove in 2.0, deprecate before then with warnings
    'setZoomLevelLimits'
  ]

  // Forward proto.foo* method calls to WebViewImpl.foo*.
  const createBlockHandler = function (m) {
    return function (...args) {
      const internal = v8Util.getHiddenValue(this, 'internal')
      if (internal.webContents) {
        return internal.webContents[m](...args)
      } else {
        throw new Error(`Cannot call ${m} because the webContents is unavailable. The WebView must be attached to the DOM and the dom-ready event emitted before this method can be called.`)
      }
    }
  }
  for (const method of methods) {
    proto[method] = createBlockHandler(method)
  }

  const createNonBlockHandler = function (m) {
    return function (...args) {
      const internal = v8Util.getHiddenValue(this, 'internal')
      ipcRenderer.send('ELECTRON_BROWSER_ASYNC_CALL_TO_GUEST_VIEW', null, internal.guestInstanceId, m, ...args)
    }
  }
  for (const method of nonblockMethods) {
    proto[method] = createNonBlockHandler(method)
  }

  proto.executeJavaScript = function (code, hasUserGesture, callback) {
    const internal = v8Util.getHiddenValue(this, 'internal')
    if (typeof hasUserGesture === 'function') {
      callback = hasUserGesture
      hasUserGesture = false
    }
    const requestId = getNextId()
    ipcRenderer.send('ELECTRON_BROWSER_ASYNC_CALL_TO_GUEST_VIEW', requestId, internal.guestInstanceId, 'executeJavaScript', code, hasUserGesture)
    ipcRenderer.once(`ELECTRON_RENDERER_ASYNC_CALL_TO_GUEST_VIEW_RESPONSE_${requestId}`, function (event, result) {
      if (callback) callback(result)
    })
  }

  // WebContents associated with this webview.
  proto.getWebContents = function () {
    return v8Util.getHiddenValue(this, 'internal').webContents
  }

  window.WebView = webFrame.registerEmbedderCustomElement('webview', {
    prototype: proto
  })

  // Delete the callbacks so developers cannot call them and produce unexpected
  // behavior.
  delete proto.createdCallback
  delete proto.attachedCallback
  delete proto.detachedCallback
  delete proto.attributeChangedCallback
}

const useCapture = true

const listener = function (event) {
  if (document.readyState === 'loading') {
    return
  }
  registerBrowserPluginElement()
  registerWebViewElement()
  window.removeEventListener(event.type, listener, useCapture)
}

window.addEventListener('readystatechange', listener, true)

module.exports = WebViewImpl
// This file should have no requires since it is used by the isolated context
// preload bundle. Instead arguments should be passed in for everything it
// needs.

// This file implements the following APIs:
// - window.alert()
// - window.confirm()
// - window.history.back()
// - window.history.forward()
// - window.history.go()
// - window.history.length
// - window.open()
// - window.opener.blur()
// - window.opener.close()
// - window.opener.eval()
// - window.opener.focus()
// - window.opener.location
// - window.opener.print()
// - window.opener.postMessage()
// - window.prompt()
// - document.hidden
// - document.visibilityState

'use strict'

const {defineProperty} = Object

// Helper function to resolve relative url.
const a = window.top.document.createElement('a')
const resolveURL = function (url) {
  a.href = url
  return a.href
}

// Use this method to ensure values expected as strings in the main process
// are convertible to strings in the renderer process. This ensures exceptions
// converting values to strings are thrown in this process.
const toString = (value) => {
  return value != null ? `${value}` : value
}

const windowProxies = {}

const getOrCreateProxy = (ipcRenderer, guestId) => {
  let proxy = windowProxies[guestId]
  if (proxy == null) {
    proxy = new BrowserWindowProxy(ipcRenderer, guestId)
    windowProxies[guestId] = proxy
  }
  return proxy
}

const removeProxy = (guestId) => {
  delete windowProxies[guestId]
}

function BrowserWindowProxy (ipcRenderer, guestId) {
  this.closed = false

  defineProperty(this, 'location', {
    get: function () {
      return ipcRenderer.sendSync('ELECTRON_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD_SYNC', guestId, 'getURL')
    },
    set: function (url) {
      url = resolveURL(url)
      return ipcRenderer.sendSync('ELECTRON_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD_SYNC', guestId, 'loadURL', url)
    }
  })

  ipcRenderer.once(`ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_CLOSED_${guestId}`, () => {
    removeProxy(guestId)
    this.closed = true
  })

  this.close = () => {
    ipcRenderer.send('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_CLOSE', guestId)
  }

  this.focus = () => {
    ipcRenderer.send('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_METHOD', guestId, 'focus')
  }

  this.blur = () => {
    ipcRenderer.send('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_METHOD', guestId, 'blur')
  }

  this.print = () => {
    ipcRenderer.send('ELECTRON_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD', guestId, 'print')
  }

  this.postMessage = (message, targetOrigin) => {
    ipcRenderer.send('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_POSTMESSAGE', guestId, message, toString(targetOrigin), window.location.origin)
  }

  this.eval = (...args) => {
    ipcRenderer.send('ELECTRON_GUEST_WINDOW_MANAGER_WEB_CONTENTS_METHOD', guestId, 'executeJavaScript', ...args)
  }
}

// Forward history operations to browser.
const sendHistoryOperation = function (ipcRenderer, ...args) {
  ipcRenderer.send('ELECTRON_NAVIGATION_CONTROLLER', ...args)
}

const getHistoryOperation = function (ipcRenderer, ...args) {
  return ipcRenderer.sendSync('ELECTRON_SYNC_NAVIGATION_CONTROLLER', ...args)
}

module.exports = (ipcRenderer, guestInstanceId, openerId, hiddenPage) => {
  if (guestInstanceId == null) {
    // Override default window.close.
    window.close = function () {
      ipcRenderer.sendSync('ELECTRON_BROWSER_WINDOW_CLOSE')
    }
  }

  // Make the browser window or guest view emit "new-window" event.
  window.open = function (url, frameName, features) {
    if (url != null && url !== '') {
      url = resolveURL(url)
    }
    const guestId = ipcRenderer.sendSync('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_OPEN', url, toString(frameName), toString(features))
    if (guestId != null) {
      return getOrCreateProxy(ipcRenderer, guestId)
    } else {
      return null
    }
  }

  window.alert = function (message, title) {
    ipcRenderer.sendSync('ELECTRON_BROWSER_WINDOW_ALERT', toString(message), toString(title))
  }

  window.confirm = function (message, title) {
    return ipcRenderer.sendSync('ELECTRON_BROWSER_WINDOW_CONFIRM', toString(message), toString(title))
  }

  // But we do not support prompt().
  window.prompt = function () {
    throw new Error('prompt() is and will not be supported.')
  }

  if (openerId != null) {
    window.opener = getOrCreateProxy(ipcRenderer, openerId)
  }

  ipcRenderer.on('ELECTRON_GUEST_WINDOW_POSTMESSAGE', function (event, sourceId, message, sourceOrigin) {
    // Manually dispatch event instead of using postMessage because we also need to
    // set event.source.
    event = document.createEvent('Event')
    event.initEvent('message', false, false)
    event.data = message
    event.origin = sourceOrigin
    event.source = getOrCreateProxy(ipcRenderer, sourceId)
    window.dispatchEvent(event)
  })

  window.history.back = function () {
    sendHistoryOperation(ipcRenderer, 'goBack')
  }

  window.history.forward = function () {
    sendHistoryOperation(ipcRenderer, 'goForward')
  }

  window.history.go = function (offset) {
    sendHistoryOperation(ipcRenderer, 'goToOffset', +offset)
  }

  defineProperty(window.history, 'length', {
    get: function () {
      return getHistoryOperation(ipcRenderer, 'length')
    }
  })

  // The initial visibilityState.
  let cachedVisibilityState = hiddenPage ? 'hidden' : 'visible'

  // Subscribe to visibilityState changes.
  ipcRenderer.on('ELECTRON_RENDERER_WINDOW_VISIBILITY_CHANGE', function (event, visibilityState) {
    if (cachedVisibilityState !== visibilityState) {
      cachedVisibilityState = visibilityState
      document.dispatchEvent(new Event('visibilitychange'))
    }
  })

  // Make document.hidden and document.visibilityState return the correct value.
  defineProperty(document, 'hidden', {
    get: function () {
      return cachedVisibilityState !== 'visible'
    }
  })

  defineProperty(document, 'visibilityState', {
    get: function () {
      return cachedVisibilityState
    }
  })
}
'use strict'

const path = require('path')
const Module = require('module')

// We modified the original process.argv to let node.js load the
// init.js, we need to restore it here.
process.argv.splice(1, 1)

// Clear search paths.
require('../common/reset-search-paths')

// Import common settings.
require('../common/init')

// Expose public APIs.
Module.globalPaths.push(path.join(__dirname, 'api', 'exports'))

// Export node bindings to global.
global.require = require
global.module = module

// Set the __filename to the path of html file if it is file: protocol.
if (self.location.protocol === 'file:') {
  let pathname = process.platform === 'win32' && self.location.pathname[0] === '/' ? self.location.pathname.substr(1) : self.location.pathname
  global.__filename = path.normalize(decodeURIComponent(pathname))
  global.__dirname = path.dirname(global.__filename)

  // Set module's filename so relative require can work as expected.
  module.filename = global.__filename

  // Also search for module under the html file.
  module.paths = module.paths.concat(Module._nodeModulePaths(global.__dirname))
} else {
  global.__filename = __filename
  global.__dirname = __dirname
}