// ==UserScript==
// @name         Twitter
// @version      1.0
// @author       byuu
// @include      https://twitter.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

//about:config
//[string] general.useragent.override.twitter.com = "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko"

var themed = 0;

(function() {
  const allowCopyAndPaste = function(e) {
    e.stopImmediatePropagation();
    return true;
  };
  document.addEventListener('copy', allowCopyAndPaste, true);
  document.addEventListener('paste', allowCopyAndPaste, true);
})();

function allowInlineTweets() {
  var domain = ".twitter.com";
  var expiryDate = new Date(-1).toUTCString();
  document.cookie = "rweb_optin=; domain=" + domain + "; path=/; expires=" + expiryDate;
}

function applyTheme() {
  if(themed == 1) return;
  var stylesheet = window.document.styleSheets[0];
  if(!stylesheet) return;
  themed = 1;
  var style = document.createElement("style");
  style.type = "text/css";
  style.innerText = "" +
    "* { border-radius: 0em !important; } " +  //revert circular avatars
    ".Banner { display: none !important; } " +  //remove bloat
    ".topbar-spacer { padding-top: 45px !important; } " +  //remove "deprecated browser" prompt
    ".wtf-module { display: none !important; } " +  //remove "who to follow"
    ".WtfLargeCarouselStreamItem { display: none !important; } " +  //remove inline "who to follow"
    ".Footer { display: none !important; } " +  //remove bloat
    ".Trends { display: none !important; } " +  //remove trends
    ".stream-tombstone-container { display: none !important; } " +  //remove "blocked/muted tweet" indicator
    ".tooltip { display: none !important; } " +  //remove annoying tooltips that tend to not go away
    ".DelightOptInModule { display: none !important; } " +  //remove "new twitter" prompt
    "";
  document.head.appendChild(style);
}

function main() {
  applyTheme();
  allowInlineTweets();
}

main();
var timer = setInterval(main, 50);