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Tabview Youtube

把Youtube Videos中的评论及视频列表制作成Tabs

当前为 2023-02-04 提交的版本，查看 最新版本。

  1. /*
  2.  
  3. MIT License
  4.  
  5. Copyright (c) 2021 cyfung1031
  6.  
  7. Permission is hereby granted, free of charge, to any person obtaining a copy
  8. of this software and associated documentation files (the "Software"), to deal
  9. in the Software without restriction, including without limitation the rights
  10. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11. copies of the Software, and to permit persons to whom the Software is
  12. furnished to do so, subject to the following conditions:
  13.  
  14. The above copyright notice and this permission notice shall be included in all
  15. copies or substantial portions of the Software.
  16.  
  17. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23. SOFTWARE.
  24.  
  25. */
  26. // ==UserScript==
  27. // @name                  Tabview Youtube
  28. // @name:en               Tabview Youtube
  29. // @description           Make comments and lists into tabs for YouTube Videos
  30. // @description:en        Make comments and lists into tabs for YouTube Videos
  31. // @name:ja               Tabview Youtube
  32. // @description:ja        YouTube動画のコメントやリストなどをタブに作成します
  33. // @name:zh-TW            Tabview Youtube
  34. // @name:zh-CN            Tabview Youtube
  35. // @description:zh-TW     把Youtube Videos中的評論及影片清單製作成Tabs
  36. // @description:zh-CN     把Youtube Videos中的评论及视频列表制作成Tabs
  37. // @name:ru               Tabview Youtube
  38. // @description:ru        Сделайте описание, комментарии и список видео в виде вкладок для видео на YouTube
  39.  
  40. // @version               4.4.0
  41. // @resource              contentCSS    https://raw.githubusercontent.com/cyfung1031/Tabview-Youtube/c2ec038034b492a6d8e0da8b29ed03deeb22e0cc/css/style_content.css
  42. // @resource              injectionJS1  https://raw.githubusercontent.com/cyfung1031/Tabview-Youtube/c2ec038034b492a6d8e0da8b29ed03deeb22e0cc/js/injection_script_1.js
  43.  
  44. // @namespace             http://tampermonkey.net/
  45. // @author                CY Fung
  46. // @license               MIT
  47. // @supportURL            https://github.com/cyfung1031/Tabview-Youtube
  48. // @run-at                document-start
  49. // @match                 https://www.youtube.com/*
  50. // @exclude               /^https?://\S+\.(txt|png|jpg|jpeg|gif|xml|svg|manifest|log|ini)[^\/]*$/
  51. // @icon                  https://github.com/cyfung1031/Tabview-Youtube/raw/main/images/icon128p.png
  52.  
  53. // @compatible            edge Edge [Blink] >= 79;                      Tampermonkey (Beta) / Violetmonkey
  54. // @compatible            chrome Chrome >= 54;                          Tampermonkey (Beta) / Violetmonkey
  55. // @compatible            firefox FireFox / Waterfox (Classic) >= 55;   Tampermonkey / Violetmonkey
  56. // @compatible            opera Opera >= 41;                            Tampermonkey (Beta) / Violetmonkey
  57. // @compatible            safari Safari >= 12.1
  58.  
  59. // @grant                 GM_getResourceText
  60. // @noframes
  61. // ==/UserScript==
  62.  
  63. /* jshint esversion:8 */
  64.  
  65. function main(){
  66.     // MIT License
  67.     // https://github.com/cyfung1031/Tabview-Youtube/raw/main/js/content.js
  68.  
  69.  
  70.  
  71.  
  72.  
  73.  
  74.  
  75.  
  76.  
  77.  
  78.  
  79.  
  80.  
  81.  
  82.  
  83.  
  84.  
  85. "use strict";
  86. // console.time("Tabview Youtube Init Script")
  87. -(function mainBody() {
  88.   'use strict';
  89.  
  90.   function inIframe() {
  91.     try {
  92.       return window.self !== window.top;
  93.     } catch (e) {
  94.       return true;
  95.     }
  96.   }
  97.  
  98.   if (inIframe()) return;
  99.  
  100.   if(document.documentElement && document.documentElement.hasAttribute('plugin-tabview-youtube')){
  101.     console.warn('Multiple instances of Tabview Youtube is attached. [0x7F01]')
  102.     return;
  103.   }
  104.  
  105.   //if (!$) return;
  106.  
  107.   /**
  108.    * SVG resources:
  109.    * <div>Icons made by <a href="https://www.flaticon.com/authors/smashicons" title="Smashicons">Smashicons</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a></div>
  110.    */
  111.  
  112.   const scriptVersionForExternal = '2022/12/04';
  113.  
  114.   const isMyScriptInChromeRuntime = () => typeof GM === 'undefined' && typeof ((((window || 0).chrome || 0).runtime || 0).getURL) === 'function';
  115.   const isGMAvailable = () => typeof GM !== 'undefined' && !isMyScriptInChromeRuntime();
  116.  
  117.   // https://yqnn.github.io/svg-path-editor/
  118. // https://vecta.io/nano
  119.  
  120.   const svgComments = `<path d="M80 27H12A12 12 90 0 0 0 39v42a12 12 90 0 0 12 12h12v20a2 2 90 0 0 3.4 2L47 93h33a12 
  121.   12 90 0 0 12-12V39a12 12 90 0 0-12-12zM20 47h26a2 2 90 1 1 0 4H20a2 2 90 1 1 0-4zm52 28H20a2 2 90 1 1 0-4h52a2 2 90 
  122.   1 1 0 4zm0-12H20a2 2 90 1 1 0-4h52a2 2 90 1 1 0 4zm36-58H40a12 12 90 0 0-12 12v6h52c9 0 16 7 16 16v42h0v4l7 7a2 2 90 
  123.   0 0 3-1V71h2a12 12 90 0 0 12-12V17a12 12 90 0 0-12-12z"/>`.trim();
  124.  
  125.   const svgVideos = `<path d="M89 10c0-4-3-7-7-7H7c-4 0-7 3-7 7v70c0 4 3 7 7 7h75c4 0 7-3 7-7V10zm-62 2h13v10H27V12zm-9 
  126.   66H9V68h9v10zm0-56H9V12h9v10zm22 56H27V68h13v10zm-3-25V36c0-2 2-3 4-2l12 8c2 1 2 4 0 5l-12 8c-2 1-4 0-4-2zm25 
  127.   25H49V68h13v10zm0-56H49V12h13v10zm18 56h-9V68h9v10zm0-56h-9V12h9v10z"/>`.trim();
  128.  
  129.   const svgInfo = `<path d="M30 0C13.3 0 0 13.3 0 30s13.3 30 30 30 30-13.3 30-30S46.7 0 30 0zm6.2 46.6c-1.5.5-2.6 
  130.   1-3.6 1.3a10.9 10.9 0 0 1-3.3.5c-1.7 0-3.3-.5-4.3-1.4a4.68 4.68 0 0 1-1.6-3.6c0-.4.2-1 .2-1.5a20.9 20.9 90 0 1 
  131.   .3-2l2-6.8c.1-.7.3-1.3.4-1.9a8.2 8.2 90 0 0 .3-1.6c0-.8-.3-1.4-.7-1.8s-1-.5-2-.5a4.53 4.53 0 0 0-1.6.3c-.5.2-1 
  132.   .2-1.3.4l.6-2.1c1.2-.5 2.4-1 3.5-1.3s2.3-.6 3.3-.6c1.9 0 3.3.6 4.3 1.3s1.5 2.1 1.5 3.5c0 .3 0 .9-.1 1.6a10.4 10.4 
  133.   90 0 1-.4 2.2l-1.9 6.7c-.2.5-.2 1.1-.4 1.8s-.2 1.3-.2 1.6c0 .9.2 1.6.6 1.9s1.1.5 2.1.5a6.1 6.1 90 0 0 1.5-.3 9 9 90 
  134.   0 0 1.4-.4l-.6 2.2zm-3.8-35.2a1 1 0 010 8.6 1 1 0 010-8.6z"/>`.trim();
  135.  
  136.   const svgPlayList = `<path d="M0 3h12v2H0zm0 4h12v2H0zm0 4h8v2H0zm16 0V7h-2v4h-4v2h4v4h2v-4h4v-2z"/>`.trim();
  137.  
  138.   const svgDiag1 = `<svg stroke="currentColor" fill="none"><path d="M8 2h2v2M7 5l3-3m-6 8H2V8m0 2l3-3"/></svg>`;
  139.   const svgDiag2 = `<svg stroke="currentColor" fill="none"><path d="M7 3v2h2M7 5l3-3M5 9V7H3m-1 3l3-3"/></svg>`;
  140.  
  141.   const REMOVE_DUPLICATE_INFO = true;
  142.   const MINIVIEW_BROWSER_ENABLE = true;
  143.   const DEBUG_LOG = false;
  144.  
  145.   
  146.   let _isPageFirstLoaded = true
  147.  
  148.   async function makeTytLock() {
  149.     let c = 8;
  150.     while (!document.documentElement) {
  151.       if(--c === 0) return
  152.       await new Promise(window.requestAnimationFrame)
  153.     }
  154.     if (_isPageFirstLoaded) document.documentElement.setAttribute('tyt-lock', '')
  155.   }
  156.   if (location.pathname === '/watch') makeTytLock()
  157.   /*
  158.  
  159.   youtube page
  160.  
  161.     = Init::browse
  162.       yt-page-data-fetched
  163.       data-changed...
  164.       yt-page-data-updated
  165.       yt-navigate-finish
  166.       data-changed...
  167.       yt-watch-comments-ready
  168.     
  169.     = browse -> watch
  170.       yt-player-updated
  171.       yt-navigate
  172.       yt-navigate-start
  173.       yt-page-type-changed
  174.       yt-player-updated
  175.       yt-page-data-fetched
  176.       yt-navigate-finish
  177.       data-changed...
  178.       yt-page-data-updated
  179.       data-changed...
  180.       yt-watch-comments-ready
  181.       data-changed...
  182.  
  183.     = watch -> watch
  184.     = click video on meta panel // https://www.youtube.com/watch?v=UY5bp5CNhak; https://www.youtube.com/watch?v=m0WtnU8NVTo
  185.       yt-navigate
  186.       yt-navigate-start
  187.       data-changed
  188.       yt-player-updated
  189.       yt-page-data-fetched
  190.       yt-navigate-finish
  191.       data-changed...
  192.       yt-page-data-updated
  193.       data-changed...
  194.       yt-watch-comments-ready
  195.       data-changed...
  196.  
  197.     = watch -> browse (miniview)
  198.       yt-navigate-cache
  199.       yt-page-data-fetched
  200.       yt-page-type-changed
  201.       yt-page-data-updated
  202.       yt-navigate-finish
  203.  
  204.     = browse (miniview)  -> watch (Restore)
  205.       yt-navigate-cache
  206.       yt-page-data-fetched
  207.       yt-navigate-finish
  208.       yt-page-type-changed
  209.       yt-page-data-updated
  210.       data-changed...
  211.       yt-watch-comments-ready
  212.  
  213.     = watch -> search (miniview)
  214.       yt-navigate
  215.       yt-navigate-start
  216.       data-changed
  217.       yt-page-data-fetched
  218.       yt-page-type-changed
  219.       data-changed
  220.       yt-page-data-updated
  221.       yt-navigate-finish
  222.       data-changed...
  223.  
  224.     = Init::search
  225.       yt-page-data-fetched
  226.       data-changed
  227.       yt-page-data-updated
  228.       yt-navigate-finish
  229.       data-changed...
  230.       yt-watch-comments-ready
  231.  
  232.     = Init::watch
  233.       yt-page-data-fetched
  234.       yt-navigate-finish
  235.       data-changed...
  236.       yt-page-data-updated
  237.       data-changed...
  238.       yt-watch-comments-ready
  239.       yt-player-updated
  240.       data-changed...
  241.  
  242.     = watch -> watch (history back)
  243.       yt-player-updated
  244.       yt-page-data-fetched
  245.       yt-navigate-finish
  246.       data-changed...
  247.       yt-page-data-updated
  248.       data-changed...
  249.       yt-watch-comments-ready
  250.  
  251.     = watch -> click video time // https://www.youtube.com/watch?v=UY5bp5CNhak; https://www.youtube.com/watch?v=m0WtnU8NVTo
  252.       yt-navigate
  253.  
  254.   */
  255.  
  256.  
  257.  
  258.   const LAYOUT_VAILD = 1;
  259.  
  260.   const LAYOUT_TWO_COLUMNS = 2;
  261.   const LAYOUT_THEATER = 4;
  262.   const LAYOUT_FULLSCREEN = 8;
  263.   const LAYOUT_CHATROOM = 16;
  264.   const LAYOUT_CHATROOM_COLLAPSED = 32;
  265.   const LAYOUT_TAB_EXPANDED = 64;
  266.   const LAYOUT_ENGAGEMENT_PANEL_EXPANDED = 128;
  267.   const LAYOUT_CHATROOM_EXPANDED = 256;
  268.   const LAYOUT_DONATION_SHELF_EXPANDED = 512;
  269.  
  270.   const nonCryptoRandStr_base = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  271.  
  272.   const nullFunc = function () { };
  273.  
  274.  
  275.   const iframeCSS = (() => {
  276.     
  277.     return `
  278.   body {
  279.       --tabview-msg-cursor: default;
  280.       --tabview-msg-pointer-events: none;
  281.       --tabview-img-pointer-events: auto;
  282.   }
  283.   
  284.   body.tabview-allow-pointer-events {
  285.       --tabview-msg-cursor: '-NULL-';
  286.       --tabview-msg-pointer-events: '-NULL-';
  287.       --tabview-img-pointer-events: '-NULL-';
  288.   }
  289.   
  290.   body #input-panel.yt-live-chat-renderer::after {
  291.       background: transparent;
  292.   }
  293.   
  294.   .style-scope.yt-live-chat-item-list-renderer {
  295.       box-sizing: border-box;
  296.   }
  297.   
  298.   yt-live-chat-text-message-renderer:nth-last-child(-n+30):hover #menu.yt-live-chat-text-message-renderer {
  299.       transition-delay: 87ms;
  300.   }
  301.   
  302.   yt-live-chat-text-message-renderer #menu.yt-live-chat-text-message-renderer {
  303.       transition-delay: 1ms;
  304.   }
  305.   
  306.   #item.style-scope.yt-live-chat-item-list-renderer,
  307.   #item-scroller.style-scope.yt-live-chat-item-list-renderer {
  308.       transition-delay: 42ms;
  309.   }
  310.   
  311.   yt-live-chat-item-list-renderer img[alt] {
  312.       pointer-events: auto;
  313.   }
  314.   
  315.   body yt-live-chat-item-list-renderer img[alt]~tp-yt-paper-tooltip,
  316.   body yt-live-chat-item-list-renderer #image~tp-yt-paper-tooltip {
  317.       --paper-tooltip-delay-in: 120ms !important;
  318.       white-space: nowrap;
  319.   }
  320.   
  321.   #items.style-scope.yt-live-chat-item-list-renderer>yt-live-chat-text-message-renderer.yt-live-chat-item-list-renderer {
  322.       --tabview-chat-message-display: block;
  323.       --tabview-chat-message-mt: 2px;
  324.       --tabview-chat-message-mb: 4px;
  325.   }
  326.   
  327.   #message.yt-live-chat-text-message-renderer {
  328.       display: var(--tabview-chat-message-display);
  329.       margin-top: var(--tabview-chat-message-mt);
  330.       margin-bottom: var(--tabview-chat-message-mb);
  331.   }
  332.   
  333.   [collapsed] #message.yt-live-chat-text-message-renderer {
  334.       --tabview-chat-message-display: 'VOID';
  335.       --tabview-chat-message-mt: 'VOID';
  336.       --tabview-chat-message-mb: 'VOID';
  337.   }
  338.   
  339.   
  340.   @supports (contain: layout paint style) {
  341.  
  342.     /*
  343.     contain: layout paint style;
  344.     // #item-offset uses transform, it is buggy in Opera 93.0 with contain: layout & paint
  345.     */
  346.  
  347.     body yt-live-chat-app {
  348.         contain: size layout paint style;
  349.         /* content-visibility: auto; */
  350.         transform: translate3d(0, 0, 0);
  351.         overflow: hidden;
  352.     }
  353.  
  354.     #items.style-scope.yt-live-chat-item-list-renderer{
  355.         contain: layout paint style;
  356.     }
  357.  
  358.     #item-offset.style-scope.yt-live-chat-item-list-renderer {
  359.         contain: style;
  360.     }
  361.  
  362.     #item-scroller.style-scope.yt-live-chat-item-list-renderer {
  363.         contain: size style;
  364.     }
  365.  
  366.     #contents.style-scope.yt-live-chat-item-list-renderer,
  367.     #chat.style-scope.yt-live-chat-renderer,
  368.     img.style-scope.yt-img-shadow[width][height] {
  369.         contain: size layout paint style;
  370.     }
  371.  
  372.     .style-scope.yt-live-chat-ticker-renderer[role="button"][aria-label],
  373.     .style-scope.yt-live-chat-ticker-renderer[role="button"][aria-label]>#container {
  374.         contain: layout paint style;
  375.     }
  376.  
  377.  
  378.     yt-img-shadow#author-photo.style-scope {
  379.         contain: layout paint style;
  380.         /*
  381.         content-visibility: auto;
  382.         contain-intrinsic-size: 24px 24px;
  383.         */
  384.     }
  385.  
  386.     yt-live-chat-text-message-renderer:not([author-is-owner]) #author-photo.style-scope.yt-live-chat-text-message-renderer,
  387.     yt-live-chat-text-message-renderer:not([author-is-owner]) yt-live-chat-author-chip.style-scope.yt-live-chat-text-message-renderer {
  388.         pointer-events: var(--tabview-msg-pointer-events);
  389.     }
  390.  
  391.     yt-live-chat-text-message-renderer:not([author-is-owner]) span#message.style-scope.yt-live-chat-text-message-renderer>img.emoji.yt-formatted-string.style-scope.yt-live-chat-text-message-renderer {
  392.         cursor: var(--tabview-msg-cursor);
  393.     }
  394.  
  395.  
  396.     yt-live-chat-text-message-renderer:not([author-is-owner]) span#message.style-scope.yt-live-chat-text-message-renderer,
  397.     yt-live-chat-paid-message-renderer #message.yt-live-chat-paid-message-renderer,
  398.     yt-live-chat-text-message-renderer:not([author-is-owner]) #timestamp.style-scope.yt-live-chat-text-message-renderer,
  399.     yt-live-chat-membership-item-renderer #header-content.style-scope.yt-live-chat-membership-item-renderer,
  400.     yt-live-chat-membership-item-renderer #timestamp.style-scope.yt-live-chat-membership-item-renderer,
  401.     yt-live-chat-paid-message-renderer #header-content.yt-live-chat-paid-message-renderer,
  402.     yt-live-chat-paid-message-renderer #timestamp.style-scope.yt-live-chat-paid-message-renderer,
  403.     yt-live-chat-paid-sticker-renderer #content.style-scope.yt-live-chat-paid-sticker-renderer,
  404.     yt-live-chat-paid-sticker-renderer #timestamp.style-scope.yt-live-chat-paid-sticker-renderer {
  405.         cursor: var(--tabview-msg-cursor);
  406.         pointer-events: var(--tabview-msg-pointer-events);
  407.     }
  408.  
  409.     yt-live-chat-text-message-renderer.style-scope.yt-live-chat-item-list-renderer,
  410.     yt-live-chat-membership-item-renderer.style-scope.yt-live-chat-item-list-renderer,
  411.     yt-live-chat-paid-message-renderer.style-scope.yt-live-chat-item-list-renderer,
  412.     yt-live-chat-banner-manager.style-scope.yt-live-chat-item-list-renderer {
  413.         contain: layout style;
  414.     }
  415.  
  416.     tp-yt-paper-tooltip[style*="inset"][role="tooltip"] {
  417.         contain: layout paint style;
  418.     }
  419.  
  420.     /*
  421.     yt-live-chat-banner-renderer[collapsed] #contents, yt-live-chat-banner-renderer[collapsed] #contents * {
  422.  
  423.       content-visibility: visible !important;
  424.       contain: none !important;
  425.  
  426.     }
  427.     */
  428.  
  429.      
  430.     /* YouTube Native Bug - style="height:0px; translateY(0px);" */
  431.     yt-live-chat-banner-renderer[collapsed]:has(#contents[style*="0px;"][style*="translateY(0px);"]) #header.yt-live-chat-banner-renderer{
  432.       position:absolute;
  433.     }
  434.  
  435.     yt-live-chat-banner-renderer[collapsed]:has(#contents[style*="0px;"][style*="translateY(0px);"]) #contents.yt-live-chat-banner-renderer{
  436.       height:auto !important;
  437.       transform:initial !important;
  438.     }
  439.  
  440.   
  441.   }
  442.   
  443.   
  444.   #chat-messages tp-yt-iron-dropdown#dropdown.style-scope.tp-yt-paper-menu-button {
  445.       margin-right: var(--ytd-margin-12x);
  446.   }
  447.  
  448.  
  449.   tp-yt-iron-dropdown.yt-live-chat-app[vertical-align="top"] ytd-menu-popup-renderer.yt-live-chat-app {
  450.     max-height: 60vh !important; /* override style */
  451.   }
  452.  
  453.     `.trim();
  454.   });
  455.  
  456.  
  457.   let iframePointEventsAllow = false; // default to discard unnecessary mouse events for iframe
  458.  
  459.   let scriptEnable = false;
  460.  
  461.   let comments_loader = 0; // for comment count (might omit)
  462.  
  463.   let cmTime = 0;
  464.   const mTime = Date.now() - 152000000;
  465.  
  466.   //let lastScrollFetch = 0;
  467.   //let lastOffsetTop = 0;
  468.   let mtf_forceCheckLiveVideo_disable = 0;
  469.  
  470.   let tabsUiScript_setclick = false;
  471.   let pageFetchedData = null; // data object; for future use
  472.   let pageFetchedDataVideoId = null; // integer; for comment checking
  473.   let pageType = null; // pageType = 'watch', 'browse', 'playlist', ...
  474.   let chatroomDetails = null;
  475.   let switchTabActivity_lastTab = null
  476.  
  477.   let lstTab = null;
  478.  
  479.   let storeLastPanel = null; // WeakRef
  480.  
  481.  
  482.   let mtf_chatBlockQ = null; // for chat layout status change
  483.  
  484.   let enableHoverSliderDetection = false; // for hover slider
  485.  
  486.  
  487.   let firstLoadStatus = 2 | 8; // for page init
  488.  
  489.  
  490.   let m_last_count = ''; // for comment count
  491.  
  492.  
  493.  
  494.   let sVideosITO = null;
  495.  
  496.   /** @type {WeakRef | null} */
  497.   let ytdFlexy = null; // WeakRef
  498.  
  499.   const Q = {}
  500.   const SETTING_DEFAULT_TAB_0 = "#tab-videos"
  501.   const settings = {
  502.     defaultTab: SETTING_DEFAULT_TAB_0
  503.   };
  504.  
  505.   const STORE_VERSION = 1;
  506.   const STORE_key = 'userscript-tabview-settings';
  507.   const key_default_tab = 'my-default-tab';
  508.  
  509.   let fetchCounts = {
  510.     base: null,
  511.     new: null,
  512.     fetched: false,
  513.     count: null,
  514.   }
  515.  
  516.   let pageLang = 'en';
  517.   const langWords = {
  518.     'en': {
  519.       //'share':'Share',
  520.       'info': 'Info',
  521.       'videos': 'Videos',
  522.       'playlist': 'Playlist'
  523.     },
  524.     'jp': {
  525.       //'share':'共有',
  526.       'info': '情報',
  527.       'videos': '動画',
  528.       'playlist': '再生リスト'
  529.     },
  530.     'tw': {
  531.       //'share':'分享',
  532.       'info': '資訊',
  533.       'videos': '影片',
  534.       'playlist': '播放清單'
  535.     },
  536.     'cn': {
  537.       //'share':'分享',
  538.       'info': '资讯',
  539.       'videos': '视频',
  540.       'playlist': '播放列表'
  541.     },
  542.     'du': {
  543.       //'share':'Teilen',
  544.       'info': 'Info',
  545.       'videos': 'Videos',
  546.       'playlist': 'Playlist'
  547.     },
  548.     'fr': {
  549.       //'share':'Partager',
  550.       'info': 'Info',
  551.       'videos': 'Vidéos',
  552.       'playlist': 'Playlist'
  553.     },
  554.     'kr': {
  555.       //'share':'공유',
  556.       'info': '정보',
  557.       'videos': '동영상',
  558.       'playlist': '재생목록'
  559.     },
  560.     'ru': {
  561.       //'share':'Поделиться',
  562.       'info': 'Описание',
  563.       'videos': 'Видео',
  564.       'playlist': 'Плейлист'
  565.     }
  566.   };
  567.  
  568.   const getGMT = () => {
  569.     let m = new Date('2023-01-01T00:00:00Z');
  570.     return m.getDate() === 1 ? `+${m.getHours()}` : `-${24 - m.getHours()}`;
  571.   };
  572.  
  573.   function durationInfoTS(durationInfo) {
  574.     /**
  575.      * @type {{ hrs: number, mins: number, seconds: number }}
  576.      */
  577.     let _durationInfo = durationInfo
  578.     return _durationInfo
  579.   }
  580.  
  581.   function formatDateReqTS(req) {
  582.     /**
  583.      * @type {{ bd1: KDate | undefined, bd2: KDate | undefined, isSameDay: number | undefined, durationInfo: object | undefined, formatDates: object | undefined }}
  584.      */
  585.     let _req = req
  586.     return _req
  587.   }
  588.  
  589.   function durationLocaleEN(durationInfo) {
  590.  
  591.     const { hrs, mins, seconds } = durationInfoTS(durationInfo)
  592.     let ret = []
  593.     ret.push(`Duration:`)
  594.     if (hrs > 0) ret.push(`${hrs} ${hrs === 1 ? 'hour' : 'hours'}`)
  595.     if (mins > 0) ret.push(`${mins} ${mins === 1 ? 'minute' : 'minutes'}`)
  596.     if (seconds !== null) ret.push(`${seconds} ${seconds === 1 ? 'second' : 'seconds'}`)
  597.     return ret.join(' ')
  598.   }
  599.  
  600.   function formatDateResultEN(type, req) {
  601.  
  602.     const { bd1, bd2, durationInfo, formatDates } = formatDateReqTS(req)
  603.  
  604.     switch (type) {
  605.       case 0x200:
  606.         return [
  607.           `The livestream was in ${bd1.lokStringDate()} from ${bd1.lokStringTime()} to ${bd2.lokStringTime()}. [GMT${getGMT()}]`,
  608.           durationLocaleEN(durationInfo)
  609.         ].join('\n');
  610.       case 0x210:
  611.         return [
  612.           `The livestream was from ${bd1.lokStringDate()} ${bd1.lokStringTime()} to ${bd2.lokStringDate()} ${bd2.lokStringTime()}. [GMT${getGMT()}]`,
  613.           durationLocaleEN(durationInfo)
  614.         ].join('\n');
  615.       case 0x300:
  616.         return `The livestream started at ${bd1.lokStringTime()} [GMT${getGMT()}] in ${bd1.lokStringDate()}.`;
  617.       case 0x600:
  618.         return `The video was uploaded in ${formatDates.uploadDate} and published in ${formatDates.publishDate}.`;
  619.       case 0x610:
  620.         return `The video was uploaded in ${formatDates.uploadDate}.`;
  621.       case 0x700:
  622.         return `The video was published in ${formatDates.publishDate}.`;
  623.     }
  624.     return '';
  625.  
  626.   }
  627.  
  628.   const S_GENERAL_RENDERERS = ['YTD-TOGGLE-BUTTON-RENDERER', 'YTD-MENU-RENDERER']
  629.  
  630.   let globalHook_symbols = [];
  631.   let globalHook_hashs = {};
  632.  
  633.  
  634.   let singleColumnScrolling_dt = 0;
  635.  
  636.   let isStickyHeaderEnabled = false;
  637.  
  638.   let theater_mode_changed_dt = 0;
  639.   let detailsTriggerReset = false;
  640.  
  641.  
  642.   let isMakeHeaderFloatCalled = false;
  643.  
  644.   let _viTimeNum = 200;
  645.   let _updateTimeAccum = 0;
  646.  
  647.   /** @type {WeakMap<HTMLElement>} */
  648.   let loadedCommentsDT = new WeakMap();
  649.  
  650.  
  651.  
  652.   // for weakref variable management
  653.   const es = {
  654.     get ytdFlexy() {
  655.       /** @type { HTMLElement | null } */
  656.       let res = kRef(ytdFlexy);
  657.       return res;
  658.     },
  659.     get storeLastPanel() {
  660.       /** @type { HTMLElement | null } */
  661.       let res = kRef(storeLastPanel);
  662.       return res;
  663.     }
  664.   }
  665.  
  666.  
  667.   const _console = new Proxy(console, {
  668.     get(target, prop, receiver) {
  669.       if (!DEBUG_LOG && prop === 'log') {
  670.         return nullFunc
  671.       }
  672.       return Reflect.get(...arguments)
  673.     }
  674.   });
  675.  
  676.   let generalLog901 = !DEBUG_LOG ? 0 : (evt) => {
  677.     _console.log(901, evt.type)
  678.   }
  679.  
  680.   const isPassiveArgSupport = (typeof IntersectionObserver === 'function');
  681.   // https://caniuse.com/?search=observer
  682.   // https://caniuse.com/?search=addEventListener%20passive
  683.  
  684.   const bubblePassive = isPassiveArgSupport ? { capture: false, passive: true } : false;
  685.   const capturePassive = isPassiveArgSupport ? { capture: true, passive: true } : true;
  686.  
  687.  
  688.   /** @type { (str: string) => (HTMLElement | null) } */
  689.   const querySelectorFromAnchor = HTMLElement.prototype.querySelector; // nodeType==1 // since 2022/07/12
  690.  
  691.   /** @type { (str: string) => (NodeList) } */
  692.   const querySelectorAllFromAnchor = HTMLElement.prototype.querySelectorAll; // nodeType==1 // since 2022/07/12
  693.   const closestDOM = HTMLElement.prototype.closest;
  694.   //const elementRemove = HTMLElement.prototype.remove;
  695.   //const elementContains = HTMLElement.prototype.contains; // since 2022/07/12
  696.  
  697.  
  698.   /**
  699.    * 
  700.    * @param {number} f bit flag
  701.    * @param {number} w bit flag (with)
  702.    * @param {number} wo bit flag (without)
  703.    * @returns 
  704.    */
  705.   const fT = function (f, w, wo) {
  706.     return (f & (w | wo)) === w
  707.   }
  708.  
  709.   /* globals WeakRef:false */
  710.  
  711.   /** @type {(o: Object | null) => WeakRef | null} */
  712.   const mWeakRef = typeof WeakRef === 'function' ? (o => o ? new WeakRef(o) : null) : (o => o || null); // typeof InvalidVar == 'undefined'
  713.  
  714.   /** @type {(wr: Object | null) => Object | null} */
  715.   const kRef = (wr => (wr && wr.deref) ? wr.deref() : wr);
  716.  
  717.  
  718.   function setTimeout3(f) {
  719.     Promise.race([new Promise(r => requestAnimationFrame(r)), new Promise(r => setTimeout(r, 300))]).then(f);
  720.   }
  721.  
  722.   const timeline = {
  723.     // after initialized (initObserver)
  724.     cn1: {},
  725.     cn2: {},
  726.     setTimeout( /** @type {TimerHandler} */ f,/** @type {number} */ d) {
  727.       let cid = setTimeout(f, d)
  728.       timeline.cn1[cid] = true
  729.       return cid;
  730.     },
  731.     clearTimeout(/** @type {number} */ cid) {
  732.       timeline.cn1[cid] = false; return clearTimeout(cid)
  733.     },
  734.     setInterval(/** @type {TimerHandler} */ f,/** @type {number} */ d) {
  735.       let cid = setInterval(f, d);
  736.       timeline.cn2[cid] = true
  737.       return cid;
  738.     },
  739.     clearInterval(/** @type {number} */ cid) {
  740.       timeline.cn2[cid] = false; return clearInterval(cid)
  741.     },
  742.     reset() {
  743.       for (let cid in timeline.cn1) timeline.cn1[cid] && clearTimeout(cid)
  744.       for (let cid in timeline.cn2) timeline.cn2[cid] && clearInterval(cid)
  745.       timeline.cn1 = {}
  746.       timeline.cn2 = {}
  747.     }
  748.   }
  749.  
  750.  
  751.   // function prettyElm(/** @type {Element} */ elm) {
  752.   //   if (!elm || !elm.nodeName) return null;
  753.   //   const eId = elm.id || null;
  754.   //   const eClsName = elm.className || null;
  755.   //   return [elm.nodeName.toLowerCase(), typeof eId == 'string' ? "#" + eId : '', typeof eClsName == 'string' ? '.' + eClsName.replace(/\s+/g, '.') : ''].join('').trim();
  756.   // }
  757.  
  758.   // function extractTextContent(/** @type {Node} */ elm) {
  759.   //   return elm.textContent.replace(/\s+/g, '').replace(/[^\da-zA-Z\u4E00-\u9FFF\u00C0-\u00FF\u00C0-\u02AF\u1E00-\u1EFF\u0590-\u05FF\u0400-\u052F\u0E00-\u0E7F\u0600-\u06FF\u0750-\u077F\u1100-\u11FF\u3130-\u318F\uAC00-\uD7AF\u3040-\u30FF\u31F0-\u31FF]/g, '')
  760.   // }
  761.  
  762.   function addScript(/** @type {string} */ scriptText) {
  763.     const scriptNode = document.createElement('script');
  764.     scriptNode.type = 'text/javascript';
  765.     scriptNode.textContent = scriptText;
  766.     try {
  767.       document.documentElement.appendChild(scriptNode);
  768.     } catch (e) {
  769.       console.log('addScript Error', e)
  770.     }
  771.     return scriptNode;
  772.   }
  773.  
  774.   function addScriptByURL(/** @type {string} */ scriptURL) {
  775.     const scriptNode = document.createElement('script');
  776.     scriptNode.type = 'text/javascript';
  777.     scriptNode.src = scriptURL;
  778.     try {
  779.       document.documentElement.appendChild(scriptNode);
  780.     } catch (e) {
  781.       console.log('addScriptByURL Error', e)
  782.     }
  783.     return scriptNode;
  784.   }
  785.  
  786.   function addStyle(/** @type {string} */ styleText, /** @type {HTMLElement | Document} */ container) {
  787.     const styleNode = document.createElement('style');
  788.     //styleNode.type = 'text/css';
  789.     styleNode.textContent = styleText;
  790.     (container || document.documentElement).appendChild(styleNode);
  791.     return styleNode;
  792.   }
  793.  
  794.  
  795.  
  796.   /*
  797.  
  798.   yt-action yt-add-element-to-app yt-autonav-pause-blur yt-autonav-pause-focus
  799. yt-autonav-pause-guide-closed yt-autonav-pause-guide-opened yt-autonav-pause-player
  800. yt-autonav-pause-player-ended yt-autonav-pause-scroll yt-autoplay-on-changed
  801. yt-close-tou-form yt-consent-bump-display-changed yt-focus-searchbox
  802. yt-get-context-provider yt-guide-close yt-guide-hover yt-guide-toggle
  803. yt-history-load yt-history-pop yt-load-invalidation-continuation
  804. yt-load-next-continuation yt-load-reload-continuation yt-load-tou-form
  805. yt-masthead-height-changed yt-navigate yt-navigate-cache yt-navigate-error
  806. yt-navigate-finish yt-navigate-redirect yt-navigate-set-page-offset
  807. yt-navigate-start yt-next-continuation-data-updated yt-open-hotkey-dialog
  808. yt-open-tou-form-loading-state yt-page-data-fetched yt-page-data-updated
  809. yt-page-data-will-update yt-page-manager-navigate-start yt-page-navigate-start
  810. yt-page-type-changed yt-player-attached yt-player-detached yt-player-released
  811. yt-player-requested yt-player-updated yt-popup-canceled yt-popup-closed
  812. yt-popup-opened yt-preconnect-urls yt-register-action yt-report-form-closed
  813. yt-report-form-opened yt-request-panel-mode-change yt-retrieve-location
  814. yt-service-request-completed yt-service-request-error yt-service-request-sent
  815. yt-set-theater-mode-enabled yt-show-survey yt-subscription-changed
  816. yt-swatch-changed yt-theater-mode-allowed yt-unregister-action yt-update-title
  817. yt-update-unseen-notification-count yt-viewport-scanned yt-visibility-refresh
  818.  
  819. */
  820.  
  821.  
  822.   _console.log(38489)
  823.  
  824.   class Session {
  825.     constructor(initValue) {
  826.       this.sid = initValue;
  827.     }
  828.     session() {
  829.       let pageSession = this;
  830.       let s = pageSession.sid; // inaccessible from external
  831.       return {
  832.         get isValid() {
  833.           return s === pageSession.sid;
  834.         }
  835.       };
  836.     }
  837.     set(newValue) {
  838.       this.sid = newValue;
  839.     }
  840.     inc() {
  841.       this.sid++;
  842.     }
  843.   }
  844.  
  845.   class Deferred {
  846.     constructor() {
  847.       this.reset();
  848.     }
  849.     debounce(f) {
  850.       return Promise.race([this.promise]).then(f).catch(console.warn); // avoid promise.then.then.then ...
  851.     }
  852.     d() {
  853.       return Promise.race([this.promise]).catch(console.warn);
  854.     }
  855.     reset() {
  856.       this.resolved = false;
  857.       this.promise = new Promise((resolve, reject) => {
  858.         //this.reject = reject
  859.         this._resolve = resolve
  860.       })
  861.     }
  862.     resolve() {
  863.       if (this._resolve === null) return null;
  864.       if (this.resolved !== false) return false;
  865.       this.resolved = true;
  866.       this._resolve(...arguments);
  867.       return true;
  868.     }
  869.   }
  870.  
  871.   class Mutex {
  872.  
  873.     constructor() {
  874.       this.p = Promise.resolve()
  875.     }
  876.  
  877.     lockWith(f) {
  878.  
  879.       this.p = this.p.then(() => {
  880.         return new Promise(f)
  881.       }).catch(console.warn)
  882.     }
  883.  
  884.   }
  885.  
  886.  
  887.  
  888.   /* FireMonkey unable to extend MutationObserver correctly */
  889.   class AttributeMutationObserver extends MutationObserver {
  890.     constructor(flist) {
  891.       super((mutations, observer) => {
  892.         for (const mutation of mutations) {
  893.           if (mutation.type === 'attributes') {
  894.             this.checker(mutation.target, mutation.attributeName)
  895.           }
  896.         }
  897.       })
  898.       this.flist = flist;
  899.       this.res = {}
  900.     }
  901.  
  902.     takeRecords() {
  903.       super.takeRecords();
  904.     }
  905.     disconnect() {
  906.       this._target = null;
  907.       super.disconnect();
  908.     }
  909.     observe(/** @type {Node} */ target) {
  910.       if (this._target) return;
  911.       //console.log(123124, target)
  912.       this._target = mWeakRef(target);
  913.  
  914.       //console.log(123125, kRef(this._target))
  915.       const options = {
  916.         attributes: true,
  917.         attributeFilter: Object.keys(this.flist),
  918.         //attributeFilter: [ "status", "username" ],
  919.         attributeOldValue: true
  920.       }
  921.       super.observe(target, options)
  922.     }
  923.     checker(/** @type {Node} */ target,/** @type {string} */ attributeName) {
  924.       let nv = target.getAttribute(attributeName);
  925.       if (this.res[attributeName] !== nv) {
  926.         this.res[attributeName] = nv
  927.         let f = this.flist[attributeName];
  928.         if (f) f(attributeName, nv);
  929.  
  930.       }
  931.     }
  932.     check(delay = 0) {
  933.       setTimeout(() => {
  934.         let target = kRef(this._target)
  935.         if (target !== null) {
  936.           for (const key of Object.keys(this.flist)) {
  937.             this.checker(target, key)
  938.           }
  939.         } else {
  940.           console.log('target is null') //disconnected??
  941.         }
  942.         target = null;
  943.       }, delay)
  944.     }
  945.   }
  946.  
  947.  
  948.   class KDate extends Date {
  949.  
  950.     constructor(...args) {
  951.       super(...args)
  952.       this.dayBack = false
  953.     }
  954.  
  955.     browserSupported() {
  956.  
  957.     }
  958.  
  959.  
  960.     lokStringDate() {
  961.       const d = this
  962.  
  963.       let y = d.getFullYear()
  964.       let m = d.getMonth() + 1
  965.       let date = d.getDate()
  966.  
  967.       let sy = y < 1000 ? (`0000${y}`).slice(-4) : '' + y
  968.  
  969.       let sm = m < 10 ? '0' + m : '' + m
  970.       let sd = date < 10 ? '0' + date : '' + date
  971.  
  972.       return `${sy}.${sm}.${sd}`
  973.  
  974.     }
  975.  
  976.     lokStringTime() {
  977.       const d = this
  978.  
  979.       let h = d.getHours()
  980.       let m = d.getMinutes()
  981.  
  982.       const k = this.dayBack
  983.  
  984.       if (k) h += 24
  985.  
  986.       let sh = h < 10 ? '0' + h : '' + h
  987.       let sm = m < 10 ? '0' + m : '' + m
  988.  
  989.  
  990.       return `${sh}:${sm}`
  991.  
  992.     }
  993.  
  994.  
  995.  
  996.  
  997.   }
  998.  
  999.   console.assert('browserSupported' in (new KDate()),
  1000.     { error: "0x87FF", errorMsg: "Your userscript manager is not supported. FireMonkey is not recommended." }
  1001.   );
  1002.  
  1003.  
  1004.  
  1005.   let pageSession = new Session(0);
  1006.   const tabsDeferred = new Deferred();
  1007.   tabsDeferred.resolve();
  1008.  
  1009.   let layoutStatusMutex = new Mutex();
  1010.  
  1011.   let sliderMutex = new Mutex();
  1012.   const renderDeferred = new Deferred(); //pageRendered
  1013.   let pageRendered = 0;
  1014.   let renderIdentifier = 0;
  1015.  
  1016.   const scriptletDeferred = new Deferred();
  1017.  
  1018.  
  1019.   function scriptInjector(script_id, url_chrome, response_id) {
  1020.  
  1021.     let res = {
  1022.       script_id: script_id,
  1023.       inject: function () {
  1024.  
  1025.         let res = this, script_id = this.script_id;
  1026.  
  1027.         if (!document.querySelector(`script#${script_id}`)) {
  1028.           if (res.runtime_url) {
  1029.             addScriptByURL(res.runtime_url).id = script_id;
  1030.           } else {
  1031.             addScript(`${res.injection_script}`).id = script_id;
  1032.           }
  1033.         }
  1034.  
  1035.       }
  1036.     }
  1037.     res.script_id = script_id;
  1038.  
  1039.     if (isMyScriptInChromeRuntime()) {
  1040.       res.runtime_url = window.chrome.runtime.getURL(url_chrome)
  1041.     } else {
  1042.       res.injection_script = GM_getResourceText(response_id);
  1043.     }
  1044.  
  1045.     return res;
  1046.  
  1047.  
  1048.   }
  1049.  
  1050.   const script_inject_js1 = scriptInjector(
  1051.     'userscript-tabview-injection-1',
  1052.     'js/injection_script_1.js',
  1053.     "injectionJS1");
  1054.  
  1055.  
  1056.   function nonCryptoRandStr(/** @type {number} */ n) {
  1057.     const result = new Array(n);
  1058.     const baseStr = nonCryptoRandStr_base;
  1059.     const bLen = baseStr.length;
  1060.     for (let i = 0; i < n; i++) {
  1061.       let t = null
  1062.       do {
  1063.         t = baseStr.charAt(Math.floor(Math.random() * bLen));
  1064.       } while (i === 0 && 10 - t > 0)
  1065.       result[i] = t;
  1066.     }
  1067.     return result.join('');
  1068.   }
  1069.  
  1070.   const uidMAP = new Map();
  1071.  
  1072.   function uidGEN(s) {
  1073.     let uid = uidMAP.get(s);
  1074.     if (!uid) {
  1075.       const uidStore = ObserverRegister.uidStore;
  1076.       do {
  1077.         uid = nonCryptoRandStr(5);
  1078.       } while (uidStore[uid])
  1079.       uidMAP.set(s, uid);
  1080.     }
  1081.     return uid;
  1082.   }
  1083.  
  1084.   /**
  1085.    * Class definition
  1086.    * @property {string} propName - propriety description
  1087.    * ...
  1088.    */
  1089.   class ObserverRegister {
  1090.  
  1091.     constructor(/** @type {()=>MutationObserver | IntersectionObserver} */ observerCreator) {
  1092.       let uid = null;
  1093.       const uidStore = ObserverRegister.uidStore;
  1094.       do {
  1095.         uid = nonCryptoRandStr(5);
  1096.       } while (uidStore[uid])
  1097.       uidStore[uid] = true;
  1098.  
  1099.       /**
  1100.        * uid is the unique string for each observer
  1101.        * @type {string}
  1102.        * @public
  1103.        */
  1104.       this.uid = uid;
  1105.  
  1106.       /**
  1107.        * observerCreator is a function to create the observer
  1108.        * @type {Function}
  1109.        * @public
  1110.        */
  1111.       this.observerCreator = observerCreator
  1112.  
  1113.       /**
  1114.        * observer is the actual observer object
  1115.        * @type {MutationObserver | IntersectionObserver}
  1116.        * @public
  1117.        */
  1118.       this.observer = null;
  1119.       this.bindCount = 0;
  1120.     }
  1121.     bindElement(/** @type {HTMLElement} */ elm, ...args) {
  1122.       if (elm.hasAttribute(`o3r-${this.uid}`)) return false;
  1123.       elm.setAttribute(`o3r-${this.uid}`, '')
  1124.       this.bindCount++;
  1125.       if (this.observer === null) {
  1126.         this.observer = this.observerCreator();
  1127.       }
  1128.       this.observer.observe(elm, ...args)
  1129.       return true
  1130.     }
  1131.     clear(/** @type {boolean} */ flag) {
  1132.       if (this.observer !== null) {
  1133.         //const uidStore = ObserverRegister.uidStore;
  1134.         if (flag === true) {
  1135.           this.observer.takeRecords();
  1136.           this.observer.disconnect();
  1137.         }
  1138.         this.observer = null;
  1139.         this.bindCount = 0;
  1140.         for (const s of document.querySelectorAll(`[o3r-${this.uid}]`)) s.removeAttribute(`o3r-${this.uid}`)
  1141.         //uidStore[this.uid]=false;
  1142.         //this.uid = null;
  1143.       }
  1144.     }
  1145.   }
  1146.  
  1147.   /**
  1148.  * 'uidStore' is the static store of strings used.
  1149.  * @static
  1150.  */
  1151.   ObserverRegister.uidStore = {}; //backward compatible with FireFox 55.
  1152.  
  1153.  
  1154.   const mtoObservationDetails = new ObserverRegister(() => {
  1155.     return new IntersectionObserver(ito_details, {
  1156.       root: null,
  1157.       rootMargin: "0px"
  1158.     })
  1159.   });
  1160.  
  1161.  
  1162.   const mtoFlexyAttr = new ObserverRegister(() => {
  1163.     return new MutationObserver(mtf_attrFlexy)
  1164.   });
  1165.  
  1166.   const mtoVisibility_EngagementPanel = new ObserverRegister(() => {
  1167.     return new MutationObserver(FP.mtf_attrEngagementPanel)
  1168.   });
  1169.  
  1170.   const mtoVisibility_Playlist = new ObserverRegister(() => {
  1171.     return new AttributeMutationObserver({
  1172.       "hidden": FP.mtf_attrPlaylist
  1173.     })
  1174.   })
  1175.   const sa_playlist = mtoVisibility_Playlist.uid;
  1176.  
  1177.   const mtoVisibility_Comments = new ObserverRegister(() => {
  1178.     return new AttributeMutationObserver({
  1179.       "hidden": FP.mtf_attrComments
  1180.     })
  1181.   })
  1182.   const sa_comments = mtoVisibility_Comments.uid;
  1183.  
  1184.  
  1185.   const mtoVisibility_Chatroom = new ObserverRegister(() => {
  1186.     return new AttributeMutationObserver({
  1187.       "collapsed": FP.mtf_attrChatroom
  1188.     })
  1189.   })
  1190.   // const sa_chatroom = mtoVisibility_Chatroom.uid;
  1191.  
  1192.  
  1193.  
  1194.  
  1195.   function isDOMVisible(/** @type {HTMLElement} */ elem) {
  1196.     // jQuery version : https://github.com/jquery/jquery/blob/a684e6ba836f7c553968d7d026ed7941e1a612d8/src/css/hiddenVisibleSelectors.js
  1197.     return !!(elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length);
  1198.   }
  1199.  
  1200.   function isNonEmptyString(s) {
  1201.     return typeof s == 'string' && s.length > 0;
  1202.   }
  1203.  
  1204.   function tabviewDispatchEvent(elmTarget, eventName, detail) {
  1205.     if (!elmTarget || typeof elmTarget.nodeType !== 'number' || typeof eventName !== 'string') return;
  1206.     if (detail && typeof detail === 'object') {
  1207.       elmTarget.dispatchEvent(new CustomEvent(eventName, { detail: detail }))
  1208.     } else {
  1209.       elmTarget.dispatchEvent(new CustomEvent(eventName))
  1210.     }
  1211.   }
  1212.  
  1213.   async function nativeCall(/** @type {EventTarget} */ dom, /** @type {any[]} */ detail) {
  1214.     //console.log(1231)
  1215.     dom.dispatchEvent(new CustomEvent("userscript-call-dom", { detail: detail }))
  1216.     //console.log(1232)
  1217.   }
  1218.  
  1219.   async function nativeFunc(/** @type {EventTarget} */ dom, /** @type {string} */ property, /** @type {any} */ args) {
  1220.     dom.dispatchEvent(new CustomEvent("userscript-call-dom-func", { detail: { property, args } }))
  1221.   }
  1222.  
  1223.   // async function nativeValue(dom, property, args) {
  1224.   //   dom.dispatchEvent(new CustomEvent("userscript-call-dom-value", { detail: { property, args } }))
  1225.   // }
  1226.   // async function nativeFuncStacked(/** @type {string} */ selector, /** @type {string} */ property, /** @type {any} */ args){
  1227.   //   document.dispatchEvent(new CustomEvent("userscript-call-dom-func-stacked", { detail: { selector, property, args } }))
  1228.   // }
  1229.   // async function nativeValueStacked(selector, property, args){
  1230.   //   document.dispatchEvent(new CustomEvent("userscript-call-dom-value-stacked", { detail: { selector, property, args } }))
  1231.   // }
  1232.   // async function nativeConstStacked(selector, property, args){
  1233.   //   document.dispatchEvent(new CustomEvent("userscript-call-dom-const-stacked", { detail: { selector, property, args } }))
  1234.   // }
  1235.  
  1236.   async function dispatchWindowResize() {
  1237.     // for youtube to detect layout resize for adjusting Player tools
  1238.     return window.dispatchEvent(new Event('resize'));
  1239.   }
  1240.  
  1241.   async function dispatchCommentRowResize() {
  1242.  
  1243.     if (pageType !== "watch") return;
  1244.  
  1245.     const ytdFlexyElm = es.ytdFlexy;
  1246.     if (!ytdFlexyElm) return;
  1247.     if (ytdFlexyElm.getAttribute('tyt-tab') !== '#tab-comments') return;
  1248.  
  1249.     scriptletDeferred.debounce(() => {
  1250.       document.dispatchEvent(new CustomEvent('tabview-resize-comments-rows'));
  1251.     })
  1252.  
  1253.  
  1254.   }
  1255.  
  1256.   function enterPIP(video) {
  1257.     if (video && typeof video.requestPictureInPicture === 'function' && isVideoPlaying(video)) {
  1258.       if (document.pictureInPictureElement === null && typeof document.exitPictureInPicture === 'function') {
  1259.         video.requestPictureInPicture().then(res => {
  1260.  
  1261.         }).catch(console.warn)
  1262.       }
  1263.     }
  1264.   }
  1265.  
  1266.   function exitPIP() {
  1267.     if (document.pictureInPictureElement !== null && typeof document.exitPictureInPicture === 'function') {
  1268.       document.exitPictureInPicture().then(res => {
  1269.  
  1270.       }).catch(console.warn)
  1271.     }
  1272.   }
  1273.  
  1274.   function setToggleBtnTxt() {
  1275.  
  1276.     if (chatroomDetails) {
  1277.       _console.log(124234, 'c=== ')
  1278.  
  1279.       let chat = document.querySelector('ytd-live-chat-frame#chat');
  1280.       if (!chat) return;
  1281.       let txt = querySelectorFromAnchor.call(chat, 'span.yt-core-attributed-string[role="text"]');
  1282.       let c = (txt || 0).textContent;
  1283.  
  1284.       if (typeof c === 'string' && c.length > 2) {
  1285.         if (chat.hasAttribute('collapsed')) {
  1286.           _console.log(124234, 'collapsed show expand ', chatroomDetails.txt_expand)
  1287.           if (c !== chatroomDetails.txt_expand) {
  1288.             txt.textContent = chatroomDetails.txt_expand;
  1289.           }
  1290.         } else {
  1291.           _console.log(124234, 'not collapsed show collapse ', chatroomDetails.txt_collapse)
  1292.           if (c !== chatroomDetails.txt_collapse) {
  1293.             txt.textContent = chatroomDetails.txt_collapse;
  1294.           }
  1295.         }
  1296.       }
  1297.     }
  1298.   }
  1299.  
  1300.  
  1301.   function handlerTabExpanderClick() {
  1302.  
  1303.     async function b() {
  1304.  
  1305.       let h1 = document.documentElement.clientHeight;
  1306.       let h2 = (document.querySelector('#right-tabs') || 0).clientHeight;
  1307.  
  1308.       await Promise.resolve(0);
  1309.       if (h1 > 300 && h2 > 300) {
  1310.         let ratio = h2 / h1; // positive below 1.0
  1311.  
  1312.         return ratio;
  1313.       }
  1314.       return 0;
  1315.     }
  1316.  
  1317.     async function a() {
  1318.  
  1319.  
  1320.       let secondary = document.querySelector('#secondary.ytd-watch-flexy');
  1321.       if (secondary) {
  1322.  
  1323.  
  1324.         if (!secondary.classList.contains('tabview-hover-slider-enable')) {
  1325.  
  1326.           let secondaryInner = querySelectorFromAnchor.call(secondary, '#secondary-inner.ytd-watch-flexy');
  1327.  
  1328.           if (secondaryInner) {
  1329.  
  1330.             if (!secondary.classList.contains('tabview-hover-slider')) {
  1331.               // without hover
  1332.  
  1333.               //let rect = secondary.getBoundingClientRect();
  1334.               //let rectI = secondaryInner.getBoundingClientRect();
  1335.  
  1336.               secondaryInner.style.setProperty('--tabview-slider-right', `${getSecondaryInnerRight()}px`)
  1337.  
  1338.             }
  1339.  
  1340.             let ratio = await b();
  1341.             if (ratio > 0.0 && ratio <= 1.0) {
  1342.  
  1343.               secondaryInner.style.setProperty('--ytd-watch-flexy-sidebar-width-d', `${Math.round(100 * ratio * 10) / 10}vw`);
  1344.               secondary.classList.add('tabview-hover-slider');
  1345.               secondary.classList.add('tabview-hover-slider-enable');
  1346.  
  1347.               let video = document.querySelector('#player video');
  1348.               enterPIP(video);
  1349.  
  1350.             }
  1351.  
  1352.           }
  1353.  
  1354.  
  1355.         } else {
  1356.  
  1357.  
  1358.           secondary.dispatchEvent(new CustomEvent("tabview-hover-slider-restore"));
  1359.           //console.log(1994)
  1360.  
  1361.         }
  1362.  
  1363.         // no animation event triggered for hover -> enable
  1364.         dispatchCommentRowResize();
  1365.  
  1366.       }
  1367.  
  1368.  
  1369.  
  1370.     }
  1371.  
  1372.  
  1373.     a();
  1374.  
  1375.  
  1376.   }
  1377.  
  1378.   let global_columns_end_ito = null;
  1379.  
  1380.   function setupHoverSlider(secondary, columns) {
  1381.  
  1382.     if (!secondary || !columns) return;
  1383.     let attrName = `o4r-${uidGEN('tabview-hover-slider-restore')}`;
  1384.  
  1385.     if (secondary.hasAttribute(attrName)) return;
  1386.     secondary.setAttribute(attrName, '');
  1387.  
  1388.     let elmB = document.querySelector('tabview-view-secondary-xpander');
  1389.     if (!elmB) {
  1390.       elmB = document.createElement('tabview-view-secondary-xpander');
  1391.       prependTo(elmB, secondary);
  1392.     }
  1393.  
  1394.     let elmA = document.querySelector('tabview-view-columns-endpos');
  1395.     if (elmA) elmA.remove();
  1396.     elmA = document.createElement('tabview-view-columns-endpos');
  1397.  
  1398.     let itoA = new IntersectionObserver((entries) => {
  1399.       let t = null;
  1400.       let w = enableHoverSliderDetection
  1401.       for (const entry of entries) {
  1402.         if (entry.rootBounds === null) continue;
  1403.         let bcr = entry.boundingClientRect;
  1404.         let rb = entry.rootBounds;
  1405.         t = !entry.isIntersecting && (bcr.left > rb.right) && (rb.left <= 0);
  1406.         // if entries.length>1 (unlikely); take the last intersecting
  1407.         // supplement cond 1. ensure the col element is in the right side
  1408.         // supplement cond 2. ensure column is wide enough for overflow checking
  1409.         // it can also avoid if the layout change happened but attribute not yet changed during the intersection observation
  1410.       }
  1411.  
  1412.       let columns = document.querySelector('#columns.style-scope.ytd-watch-flexy');
  1413.       if (columns) columns.classList.toggle('tyt-column-overflow', t);
  1414.  
  1415.       if (w !== t && t !== null) {
  1416.         // t can be true when the layout enters single column mode
  1417.         enableHoverSliderDetection = t;
  1418.       }
  1419.       //console.log(entries, enableHoverSliderDetection, t)
  1420.     })
  1421.     columns.appendChild(elmA); // append to dom first before observe
  1422.     if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  1423.       //to trigger observation at the time layout being changed
  1424.       itoA.observe(elmA);
  1425.     }
  1426.     global_columns_end_ito = itoA;
  1427.  
  1428.  
  1429.     secondary.addEventListener('tabview-hover-slider-restore', function (evt) {
  1430.  
  1431.       let secondary = evt.target;
  1432.  
  1433.       if (!secondary.classList.contains('tabview-hover-slider-enable')) return;
  1434.  
  1435.       let secondaryInner = querySelectorFromAnchor.call(secondary, '#secondary-inner.ytd-watch-flexy')
  1436.  
  1437.       if (!secondaryInner) return;
  1438.  
  1439.       if (secondary.classList.contains('tabview-hover-slider-hover')) {
  1440.  
  1441.         Promise.resolve(0).then(() => {
  1442.           secondaryInner.style.removeProperty('--ytd-watch-flexy-sidebar-width-d');
  1443.         }).then(() => {
  1444.           secondary.classList.remove('tabview-hover-slider-enable')
  1445.           exitPIP();
  1446.         })
  1447.  
  1448.       } else {
  1449.  
  1450.         let secondary = evt.target;
  1451.         secondary.classList.remove('tabview-hover-slider')
  1452.         secondary.classList.remove('tabview-hover-slider-enable')
  1453.  
  1454.         secondaryInner.style.removeProperty('--ytd-watch-flexy-sidebar-width-d');
  1455.         secondaryInner.style.removeProperty('--tabview-slider-right')
  1456.  
  1457.         exitPIP();
  1458.  
  1459.       }
  1460.  
  1461.       setTimeout(() => {
  1462.         updateFloatingSlider()
  1463.       }, 30);
  1464.  
  1465.     }, false);
  1466.  
  1467.   }
  1468.  
  1469.   function addTabExpander(tabContent) {
  1470.  
  1471.     if (!tabContent) return null;
  1472.     let id = tabContent.id;
  1473.     if (!id || typeof id !== 'string') return null;
  1474.  
  1475.     if (querySelectorFromAnchor.call(tabContent, `#${id} > tabview-view-tab-expander`)) return false;
  1476.  
  1477.     let elm = document.createElement('tabview-view-tab-expander')
  1478.     prependTo(elm, tabContent);
  1479.     elm.innerHTML = `<div>${svgElm(16, 16, 12, 12, svgDiag1, 'svg-expand')}${svgElm(16, 16, 12, 12, svgDiag2, 'svg-collapse')}</div>`
  1480.     elm.addEventListener('click', handlerTabExpanderClick, false);
  1481.     return true;
  1482.  
  1483.   }
  1484.  
  1485.   function getColumnOverflowWidth() {
  1486.  
  1487.     let screenWidth = document.documentElement.getBoundingClientRect().width;
  1488.  
  1489.     let posElm1 = document.querySelector('#secondary.style-scope.ytd-watch-flexy + tabview-view-columns-endpos');
  1490.  
  1491.     if (posElm1) {
  1492.  
  1493.       let offset = posElm1.getBoundingClientRect().x - screenWidth;
  1494.       return offset
  1495.  
  1496.     }
  1497.     return null
  1498.   }
  1499.  
  1500.   function getSecondaryInnerRight() {
  1501.  
  1502.     let posElm1 = document.querySelector('#secondary.style-scope.ytd-watch-flexy + tabview-view-columns-endpos');
  1503.  
  1504.     let posElm2 = document.querySelector('#secondary.style-scope.ytd-watch-flexy > tabview-view-secondary-xpander');
  1505.  
  1506.     if (posElm1 && posElm2) {
  1507.  
  1508.       let offset = posElm1.getBoundingClientRect().x - posElm2.getBoundingClientRect().right;
  1509.       return offset
  1510.  
  1511.     }
  1512.     return null
  1513.  
  1514.   }
  1515.  
  1516.   const setFloatingSliderOffset = (secondaryInner) => {
  1517.  
  1518.  
  1519.     let posElm1 = document.querySelector('#secondary.style-scope.ytd-watch-flexy + tabview-view-columns-endpos');
  1520.  
  1521.     let posElm2 = document.querySelector('#secondary.style-scope.ytd-watch-flexy > tabview-view-secondary-xpander');
  1522.  
  1523.     if (posElm1 && posElm2) {
  1524.  
  1525.       let offset = getColumnOverflowWidth();
  1526.  
  1527.       let k = 1.0
  1528.       if (offset >= 125) {
  1529.         k = 1.0
  1530.       } else if (offset >= 75) {
  1531.         k = 1.0;
  1532.       } else if (offset >= 25) {
  1533.         k = 0.25;
  1534.       } else {
  1535.         k = 0.0
  1536.       }
  1537.       secondaryInner.style.setProperty('--tabview-slider-offset-k2', `${k}`);
  1538.       secondaryInner.style.setProperty('--tabview-slider-offset', `${offset}px`) // unnecessary 
  1539.  
  1540.       let oriWidth = posElm2.getBoundingClientRect().width;
  1541.       secondaryInner.style.setProperty('--tabview-slider-ow', `${oriWidth}px`)
  1542.  
  1543.       let s1 = 'var(--ytd-watch-flexy-sidebar-width-d)';
  1544.       // new width 
  1545.  
  1546.       let s2 = `var(--tabview-slider-ow)`;
  1547.       // ori width - youtube changing the code -> not reliable to use css prop.
  1548.  
  1549.       let s3 = `${offset}px`;
  1550.       // how many px wider than the page
  1551.  
  1552.       secondaryInner.style.setProperty('--tabview-slider-offset-actual', `calc(${s1} - ${s2} + ${s3})`)
  1553.  
  1554.     }
  1555.  
  1556.   }
  1557.  
  1558.   async function updateFloatingSlider_A(secondaryInner) {
  1559.  
  1560.     // [is-extra-wide-video_]
  1561.  
  1562.     await new Promise(r => setTimeout(r, 30)); // time allowed for dom changes and value change of enableHoverSliderDetection    
  1563.  
  1564.     let secondary = secondaryInner.parentNode;
  1565.     if (!secondary) return;
  1566.  
  1567.     if (secondary.classList.contains('tabview-hover-slider-enable')) {
  1568.       return;
  1569.     }
  1570.  
  1571.     if (!secondary.matches('#columns.ytd-watch-flexy #primary.ytd-watch-flexy ~ #secondary.ytd-watch-flexy')) {
  1572.       return;
  1573.     }
  1574.  
  1575.     const bool = enableHoverSliderDetection === true;
  1576.     const hasClassHover = secondary.classList.contains('tabview-hover-slider-hover') === true;
  1577.  
  1578.     if (bool || hasClassHover) {
  1579.     } else {
  1580.       return;
  1581.     }
  1582.  
  1583.     await Promise.resolve(0);
  1584.  
  1585.     secondary.classList.add('tabview-hover-final')
  1586.  
  1587.     if (hasClassHover && !bool) {
  1588.       secondaryInner.style.removeProperty('--tabview-slider-right')
  1589.       secondaryInner.style.removeProperty('--tabview-slider-offset')
  1590.     } else {
  1591.  
  1592.       if (!hasClassHover) {
  1593.         secondaryInner.style.setProperty('--tabview-slider-right', `${getSecondaryInnerRight()}px`)
  1594.       }
  1595.  
  1596.       setFloatingSliderOffset(secondaryInner);
  1597.     }
  1598.  
  1599.     if (bool ^ hasClassHover) {
  1600.       secondary.classList.toggle('tabview-hover-slider', bool)
  1601.       secondary.classList.toggle('tabview-hover-slider-hover', bool)
  1602.     }
  1603.  
  1604.     await Promise.resolve(0);
  1605.  
  1606.  
  1607.     setTimeout(() => {
  1608.       secondary.classList.remove('tabview-hover-final')
  1609.     }, 350)
  1610.  
  1611.  
  1612.   }
  1613.  
  1614.  
  1615.   function updateFloatingSlider() {
  1616.  
  1617.     let secondaryInner = document.querySelector('ytd-watch-flexy[flexy][is-two-columns_] #secondary-inner.ytd-watch-flexy')
  1618.  
  1619.     if (!secondaryInner) return;
  1620.  
  1621.     let secondary = secondaryInner.parentNode;
  1622.     if (!secondary) return;
  1623.  
  1624.     if (secondary.classList.contains('tabview-hover-slider-enable')) {
  1625.       return;
  1626.     }
  1627.  
  1628.     let t = document.documentElement.clientWidth; //integer
  1629.  
  1630.     sliderMutex.lockWith(unlock => {
  1631.  
  1632.       let v = document.documentElement.clientWidth; //integer
  1633.  
  1634.       if (t === v && secondaryInner.matches('body ytd-watch-flexy[flexy][is-two-columns_] #secondary-inner.ytd-watch-flexy')) {
  1635.  
  1636.         updateFloatingSlider_A(secondaryInner).then(unlock);
  1637.       } else {
  1638.         unlock();
  1639.       }
  1640.  
  1641.     })
  1642.  
  1643.   }
  1644.  
  1645.  
  1646.   function setToActiveTab(defaultTab) {
  1647.     if (isTheater() && isWideScreenWithTwoColumns()) return;
  1648.     const jElm = document.querySelector(`a[tyt-tab-content="${switchTabActivity_lastTab}"]:not(.tab-btn-hidden)`) ||
  1649.       document.querySelector(`a[tyt-tab-content="${(defaultTab || settings.defaultTab)}"]:not(.tab-btn-hidden)`) ||
  1650.       document.querySelector("a[tyt-tab-content]:not(.tab-btn-hidden)") ||
  1651.       null;
  1652.  
  1653.     switchTabActivity(jElm);
  1654.     return !!jElm;
  1655.   }
  1656.  
  1657.   let enableLivePopupCheck = false
  1658.  
  1659.   function layoutStatusChanged(/** @type {number} */ old_layoutStatus, /** @type {number} */ new_layoutStatus) {
  1660.  
  1661.  
  1662.     if ((new_layoutStatus & LAYOUT_TWO_COLUMNS) === 0) makeHeaderFloat();
  1663.  
  1664.     //if (old_layoutStatus === new_layoutStatus) return;
  1665.  
  1666.     const cssElm = es.ytdFlexy;
  1667.  
  1668.     if (!cssElm) return;
  1669.  
  1670.  
  1671.     const BF_TWOCOL_N_THEATER = LAYOUT_TWO_COLUMNS | LAYOUT_THEATER
  1672.  
  1673.     let new_isExpandedChat = !!(new_layoutStatus & LAYOUT_CHATROOM_EXPANDED)
  1674.     let new_isCollapsedChat = !!(new_layoutStatus & LAYOUT_CHATROOM_COLLAPSED) && !!(new_layoutStatus & LAYOUT_CHATROOM)
  1675.  
  1676.     let new_isTabExpanded = !!(new_layoutStatus & LAYOUT_TAB_EXPANDED);
  1677.     let new_isFullScreen = !!(new_layoutStatus & LAYOUT_FULLSCREEN);
  1678.     let new_isExpandedEPanel = !!(new_layoutStatus & LAYOUT_ENGAGEMENT_PANEL_EXPANDED);
  1679.     let new_isExpandedDonationShelf = !!(new_layoutStatus & LAYOUT_DONATION_SHELF_EXPANDED);
  1680.  
  1681.  
  1682.     function showTabOrChat() {
  1683.  
  1684.       layoutStatusMutex.lockWith(unlock => {
  1685.  
  1686.         if (lstTab.lastPanel == '#chatroom') {
  1687.  
  1688.           if (new_isTabExpanded) switchTabActivity(null)
  1689.           if (!new_isExpandedChat) ytBtnExpandChat();
  1690.  
  1691.         } else if (lstTab.lastPanel && lstTab.lastPanel.indexOf('#engagement-panel-') == 0) {
  1692.  
  1693.           if (new_isTabExpanded) switchTabActivity(null)
  1694.           if (!new_isExpandedEPanel) ytBtnOpenEngagementPanel(lstTab.lastPanel);
  1695.  
  1696.         } else if (lstTab.lastPanel == '#donation-shelf') {
  1697.  
  1698.           if (new_isTabExpanded) switchTabActivity(null)
  1699.           if (!new_isExpandedDonationShelf) openDonationShelf();
  1700.  
  1701.         } else {
  1702.  
  1703.           if (new_isExpandedChat) ytBtnCollapseChat()
  1704.           if (!new_isTabExpanded) setToActiveTab();
  1705.  
  1706.         }
  1707.  
  1708.         timeline.setTimeout(unlock, 40);
  1709.  
  1710.       })
  1711.     }
  1712.  
  1713.     function hideTabAndChat() {
  1714.  
  1715.       layoutStatusMutex.lockWith(unlock => {
  1716.  
  1717.         if (new_isTabExpanded) switchTabActivity(null)
  1718.         if (new_isExpandedChat) ytBtnCollapseChat()
  1719.         if (new_isExpandedEPanel) ytBtnCloseEngagementPanels();
  1720.         if (new_isExpandedDonationShelf) closeDonationShelf();
  1721.  
  1722.  
  1723.         timeline.setTimeout(unlock, 40);
  1724.  
  1725.       })
  1726.  
  1727.     }
  1728.  
  1729.     const statusCollapsedFalse = !!(new_layoutStatus & (LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED | LAYOUT_CHATROOM_EXPANDED))
  1730.     const statusCollapsedTrue = !statusCollapsedFalse
  1731.  
  1732.     let changes = (old_layoutStatus & LAYOUT_VAILD) ? old_layoutStatus ^ new_layoutStatus : 0;
  1733.  
  1734.     let chat_collapsed_changed = !!(changes & LAYOUT_CHATROOM_COLLAPSED)
  1735.     let chat_expanded_changed = !!(changes & LAYOUT_CHATROOM_EXPANDED)
  1736.     let tab_expanded_changed = !!(changes & LAYOUT_TAB_EXPANDED)
  1737.     let theater_mode_changed = !!(changes & LAYOUT_THEATER)
  1738.     let column_mode_changed = !!(changes & LAYOUT_TWO_COLUMNS)
  1739.     let fullscreen_mode_changed = !!(changes & LAYOUT_FULLSCREEN)
  1740.     let epanel_expanded_changed = !!(changes & LAYOUT_ENGAGEMENT_PANEL_EXPANDED)
  1741.     let ds_expanded_changed = !!(changes & LAYOUT_DONATION_SHELF_EXPANDED)
  1742.  
  1743.     _console.log(8221, 1, chat_collapsed_changed, chat_expanded_changed, tab_expanded_changed, theater_mode_changed, column_mode_changed, fullscreen_mode_changed, epanel_expanded_changed)
  1744.  
  1745.  
  1746.     //console.log(169, 1, chat_collapsed_changed, tab_expanded_changed)
  1747.     //console.log(169, 2, new_isExpandedChat, new_isCollapsedChat, new_isTabExpanded)
  1748.  
  1749.     let BF_LayoutCh_Panel = (changes & (LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED))
  1750.     let tab_change = BF_LayoutCh_Panel;
  1751.     let isChatOrTabExpandTriggering = !!((new_layoutStatus) & BF_LayoutCh_Panel);
  1752.     let isChatOrTabCollaspeTriggering = !!((~new_layoutStatus) & BF_LayoutCh_Panel);
  1753.  
  1754.  
  1755.     const moreThanOneShown = (new_isTabExpanded + new_isExpandedChat + new_isExpandedEPanel + new_isExpandedDonationShelf) > 1
  1756.  
  1757.  
  1758.     const base_twoCol_NoTheather_chatExpand_a = LAYOUT_TWO_COLUMNS | LAYOUT_THEATER | LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED
  1759.     const base_twoCol_NoTheather_chatExpand_b = LAYOUT_TWO_COLUMNS | 0 | LAYOUT_CHATROOM | 0
  1760.  
  1761.     // two column; not theater; tab collapse; chat expand; ep expand
  1762.     const IF_01a = base_twoCol_NoTheather_chatExpand_a | LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED;
  1763.     const IF_01b = base_twoCol_NoTheather_chatExpand_b | 0 | LAYOUT_ENGAGEMENT_PANEL_EXPANDED;
  1764.  
  1765.     
  1766.     // two column; not theater; tab collapse; chat expand; ep expand
  1767.     const IF_07a = base_twoCol_NoTheather_chatExpand_a | LAYOUT_TAB_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED;
  1768.     const IF_07b = base_twoCol_NoTheather_chatExpand_b | 0 | LAYOUT_DONATION_SHELF_EXPANDED;
  1769.  
  1770.  
  1771.     // two column; not theater;
  1772.     const IF_02a = BF_TWOCOL_N_THEATER;
  1773.     const IF_02b = LAYOUT_TWO_COLUMNS;
  1774.  
  1775.     // two column; not theater; tab expand; chat expand; 
  1776.     const IF_03a = base_twoCol_NoTheather_chatExpand_a | LAYOUT_TAB_EXPANDED;
  1777.     const IF_03b = base_twoCol_NoTheather_chatExpand_b | LAYOUT_TAB_EXPANDED;
  1778.  
  1779.  
  1780.     // two column; tab expand; chat expand; 
  1781.     const IF_06a = LAYOUT_TWO_COLUMNS | LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED;
  1782.     const IF_06b = LAYOUT_TWO_COLUMNS | LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM | 0;
  1783.  
  1784.  
  1785.     // two column; theater;
  1786.     const IF_04a = BF_TWOCOL_N_THEATER;
  1787.     const IF_04b = BF_TWOCOL_N_THEATER;
  1788.  
  1789.     // not fullscreen; two column; not theater; not tab expand; not EP expand; not expand chat; not donation shelf
  1790.     const IF_05a = LAYOUT_FULLSCREEN | LAYOUT_TWO_COLUMNS | LAYOUT_THEATER | LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED | LAYOUT_CHATROOM_EXPANDED;
  1791.     const IF_05b = 0 | LAYOUT_TWO_COLUMNS | 0 | 0 | 0 | 0 | 0;
  1792.  
  1793.     let _isChatPopupedF = null
  1794.     let isChatPopupedF = ()=>{
  1795.       return _isChatPopupedF===null ? ( _isChatPopupedF = cssElm.classList.contains('tyt-chat-popup') ) : _isChatPopupedF
  1796.     }
  1797.  
  1798.     if (new_isFullScreen) {
  1799.  
  1800.  
  1801.       if (tab_change == LAYOUT_CHATROOM_EXPANDED && (new_layoutStatus & IF_06a) === IF_06b && statusCollapsedFalse && !column_mode_changed) {
  1802.  
  1803.         // two column; tab expand; chat expand; 
  1804.  
  1805.         switchTabActivity(null);
  1806.  
  1807.       }
  1808.  
  1809.       if (!!(tab_change & LAYOUT_CHATROOM_EXPANDED) && new_isExpandedChat) {
  1810.         //tab_change = LAYOUT_CHATROOM_EXPANDED
  1811.         //tab_change = LAYOUT_CHATROOM_EXPANDED|LAYOUT_TAB_EXPANDED
  1812.  
  1813.  
  1814.         timeline.setTimeout(() => {
  1815.           let scrollElement = document.querySelector('ytd-app[scrolling]')
  1816.           if (!scrollElement) return;
  1817.           // single column view; click button; scroll to tab content area 100%
  1818.           let chatFrame = document.querySelector('ytd-live-chat-frame#chat');
  1819.           if (chatFrame && isChatExpand()) {
  1820.             _console.log(7290, 1)
  1821.             chatFrame.scrollIntoView(true);
  1822.           }
  1823.         }, 60)
  1824.  
  1825.       }
  1826.  
  1827.       if (!!(tab_change & LAYOUT_ENGAGEMENT_PANEL_EXPANDED) && new_isExpandedEPanel) {
  1828.  
  1829.         timeline.setTimeout(() => {
  1830.           let scrollElement = document.querySelector('ytd-app[scrolling]')
  1831.           if (!scrollElement) return;
  1832.           // single column view; click button; scroll to tab content area 100%
  1833.           let epPanel = document.querySelector('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])');
  1834.           if (epPanel) {
  1835.             _console.log(7290, 2)
  1836.  
  1837.             let pi = 50;
  1838.             let cid = setInterval(() => {
  1839.               if (--pi) epPanel.scrollIntoView(true); else clearInterval(cid)
  1840.             }, 17)
  1841.             //
  1842.           }
  1843.         }, 60)
  1844.  
  1845.       }
  1846.  
  1847.  
  1848.     } else if (fullscreen_mode_changed) {
  1849.  
  1850.       // new_isFullScreen: false
  1851.       // fullscreen_mode_changed: true
  1852.       
  1853.  
  1854.       if (!new_isFullScreen && statusCollapsedTrue && isWideScreenWithTwoColumns() && !isTheater()) {
  1855.        
  1856.         showTabOrChat();
  1857.       } else if (!new_isFullScreen && statusCollapsedFalse && isWideScreenWithTwoColumns() && isTheater()) {
  1858.        
  1859.  
  1860.         if(cisChatPopupedF()){
  1861.         }else{
  1862.  
  1863.           ytBtnCancelTheater();
  1864.  
  1865.         }
  1866.       }
  1867.  
  1868.     } else if ((new_layoutStatus & IF_01a) === IF_01b && !column_mode_changed && (tab_change == LAYOUT_CHATROOM_EXPANDED || tab_change == LAYOUT_ENGAGEMENT_PANEL_EXPANDED)) {
  1869.  
  1870.       // new_isFullScreen: false
  1871.       // fullscreen_mode_changed: false
  1872.  
  1873.       // two column; not theater; tab collapse; chat expand; ep expand
  1874.  
  1875.       if (epanel_expanded_changed) {
  1876.         layoutStatusMutex.lockWith(unlock => {
  1877.           ytBtnCollapseChat();
  1878.           setTimeout(unlock, 13)
  1879.         })
  1880.       } else if (chat_collapsed_changed) {
  1881.         layoutStatusMutex.lockWith(unlock => {
  1882.           ytBtnCloseEngagementPanels();
  1883.           setTimeout(unlock, 13)
  1884.         })
  1885.  
  1886.       }
  1887.  
  1888.     } else if ((new_layoutStatus & IF_07a) === IF_07b && !column_mode_changed && (tab_change == LAYOUT_CHATROOM_EXPANDED || tab_change == LAYOUT_DONATION_SHELF_EXPANDED)) {
  1889.  
  1890.       // new_isFullScreen: false
  1891.       // fullscreen_mode_changed: false
  1892.  
  1893.       // two column; not theater; tab collapse; chat expand; ds expand
  1894.  
  1895.       if (ds_expanded_changed) {
  1896.         layoutStatusMutex.lockWith(unlock => {
  1897.           ytBtnCollapseChat();
  1898.           setTimeout(unlock, 13)
  1899.         })
  1900.       } else if (chat_collapsed_changed) {
  1901.         layoutStatusMutex.lockWith(unlock => {
  1902.           closeDonationShelf();
  1903.           setTimeout(unlock, 13)
  1904.         })
  1905.  
  1906.       }
  1907.  
  1908.     } else if (!tab_change && column_mode_changed && (new_layoutStatus & IF_02a) === IF_02b && moreThanOneShown) {
  1909.  
  1910.       // new_isFullScreen: false
  1911.       // fullscreen_mode_changed: false
  1912.  
  1913.       // two column; not theater;
  1914.       // moreThanOneShown
  1915.  
  1916.       showTabOrChat();
  1917.  
  1918.     } else if (tab_change == LAYOUT_CHATROOM_EXPANDED && (new_layoutStatus & IF_03a) === IF_03b && statusCollapsedFalse && !column_mode_changed) {
  1919.  
  1920.       // new_isFullScreen: false
  1921.       // fullscreen_mode_changed: false
  1922.  
  1923.       // two column; not theater; tab expand; chat expand; 
  1924.  
  1925.       switchTabActivity(null);
  1926.  
  1927.     } else if (isChatOrTabExpandTriggering && (new_layoutStatus & IF_04a) === IF_04b && statusCollapsedFalse && (changes & BF_TWOCOL_N_THEATER) === 0) {
  1928.  
  1929.       // new_isFullScreen: false
  1930.       // fullscreen_mode_changed: false
  1931.  
  1932.       ytBtnCancelTheater();
  1933.  
  1934.     } else if ((new_layoutStatus & IF_04a) === IF_04b && statusCollapsedFalse) {
  1935.  
  1936.       // new_isFullScreen: false
  1937.       // fullscreen_mode_changed: false
  1938.  
  1939.       if (isChatPopupedF()) {
  1940.  
  1941.       } else {
  1942.  
  1943.         hideTabAndChat();
  1944.       }
  1945.  
  1946.     } else if (isChatOrTabCollaspeTriggering && (new_layoutStatus & IF_02a) === IF_02b && statusCollapsedTrue && !column_mode_changed) {
  1947.  
  1948.       // new_isFullScreen: false
  1949.       // fullscreen_mode_changed: false
  1950.  
  1951.       if (tab_change == LAYOUT_ENGAGEMENT_PANEL_EXPANDED) {
  1952.  
  1953.         lstTab.lastPanel = null;
  1954.  
  1955.         if (new_isFullScreen) {
  1956.  
  1957.         } else {
  1958.           showTabOrChat();
  1959.         }
  1960.       } else if (tab_change == LAYOUT_DONATION_SHELF_EXPANDED) {
  1961.  
  1962.         lstTab.lastPanel = null;
  1963.  
  1964.         if (new_isFullScreen) {
  1965.  
  1966.         } else {
  1967.           showTabOrChat();
  1968.         }
  1969.       } else if (tab_change == LAYOUT_CHATROOM_EXPANDED) {
  1970.  
  1971.         lstTab.lastPanel = null;
  1972.  
  1973.         if (new_isFullScreen) {
  1974.  
  1975.         } else {
  1976.           showTabOrChat();
  1977.         }
  1978.       } else {
  1979.  
  1980.  
  1981.         if (new_isFullScreen) {
  1982.  
  1983.         } else {
  1984.  
  1985.           ytBtnSetTheater();
  1986.  
  1987.         }
  1988.  
  1989.       }
  1990.  
  1991.     } else if (!tab_change && !!(changes & BF_TWOCOL_N_THEATER) && (new_layoutStatus & IF_02a) === IF_02b && statusCollapsedTrue) {
  1992.  
  1993.       // new_isFullScreen: false
  1994.       // fullscreen_mode_changed: false
  1995.  
  1996.       showTabOrChat();
  1997.  
  1998.     } else if ((new_layoutStatus & IF_05a) === IF_05b) {
  1999.       // bug fix for restoring from mini player
  2000.  
  2001.       layoutStatusMutex.lockWith(unlock => {
  2002.         setToActiveTab();
  2003.         timeline.setTimeout(unlock, 40);
  2004.       });
  2005.  
  2006.     }
  2007.  
  2008.     if (theater_mode_changed) {
  2009.       let tdt = Date.now();
  2010.       theater_mode_changed_dt = tdt
  2011.       setTimeout(() => {
  2012.         if (theater_mode_changed_dt !== tdt) return;
  2013.         updateFloatingSlider();
  2014.       }, 130)
  2015.     }
  2016.  
  2017.     let secondary = null;
  2018.     if (secondary = document.querySelector('.tabview-hover-slider-enable')) {
  2019.       secondary.dispatchEvent(new CustomEvent('tabview-hover-slider-restore'))
  2020.       //console.log(1996)
  2021.     }
  2022.  
  2023.  
  2024.     if (fullscreen_mode_changed) {
  2025.       detailsTriggerReset = true;
  2026.       setTimeout(() => {
  2027.         setHiddenStateForDesc();
  2028.       }, 80);
  2029.     }
  2030.  
  2031.     // resize => is-two-columns_
  2032.     if (column_mode_changed) {
  2033.  
  2034.       Promise.resolve(0).then(() => {
  2035.  
  2036.         if (moreThanOneShown && (new_layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  2037.           
  2038.           layoutStatusMutex.lockWith(unlock => {
  2039.             if (new_isTabExpanded && lstTab.lastPanel === null) {
  2040.               if (new_isExpandedChat) ytBtnCollapseChat();
  2041.               if (new_isExpandedEPanel) ytBtnCloseEngagementPanels();
  2042.               if (new_isExpandedDonationShelf) closeDonationShelf();
  2043.             } else if (lstTab.lastPanel) {
  2044.               let lastPanel = lstTab.lastPanel || '';
  2045.               if (typeof lastPanel !== 'string') lastPanel = '';
  2046.               if (new_isExpandedChat && lastPanel !== '#chatroom') ytBtnCollapseChat();
  2047.               if (new_isExpandedEPanel && lastPanel.indexOf('#engagement-panel-') < 0) ytBtnCloseEngagementPanels();
  2048.               if (new_isExpandedDonationShelf && lastPanel !== '#donation-shelf') closeDonationShelf();
  2049.               switchTabActivity(null);
  2050.             }
  2051.             timeline.setTimeout(unlock, 40);
  2052.           });
  2053.         }
  2054.  
  2055.         pageCheck();
  2056.         if (global_columns_end_ito !== null) {
  2057.           //to trigger observation at the time layout being changed
  2058.           if ((new_layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  2059.             let endpos = document.querySelector('tabview-view-columns-endpos')
  2060.             if (endpos !== null) {
  2061.               global_columns_end_ito.observe(endpos)
  2062.             }
  2063.           } else {
  2064.             global_columns_end_ito.disconnect();
  2065.           }
  2066.         }
  2067.         setTimeout3(() => {
  2068.           singleColumnScrolling(true); //initalize sticky
  2069.         });
  2070.       })
  2071.     }
  2072.  
  2073.     if (enableLivePopupCheck === true) {
  2074.  
  2075.       const new_isTwoColumnsTheater = fT(new_layoutStatus, LAYOUT_TWO_COLUMNS | LAYOUT_THEATER, 0)
  2076.  
  2077.       let currentIsTheaterPopupChat = new_isTwoColumnsTheater && new_isExpandedChat && isChatPopupedF()
  2078.       if (!currentIsTheaterPopupChat) {
  2079.         enableLivePopupCheck = false
  2080.         document.dispatchEvent(new CustomEvent("tyt-close-popup"))
  2081.       }
  2082.  
  2083.     }
  2084.  
  2085.  
  2086.   }
  2087.  
  2088.   function fixLayoutStatus(x) {
  2089.     const new_isExpandedChat = !(x & LAYOUT_CHATROOM_COLLAPSED) && (x & LAYOUT_CHATROOM)
  2090.     return new_isExpandedChat ? (x | LAYOUT_CHATROOM_EXPANDED) : (x & ~LAYOUT_CHATROOM_EXPANDED);
  2091.   }
  2092.  
  2093.   const wls = new Proxy({
  2094.     /** @type {number | null} */
  2095.     layoutStatus: undefined
  2096.   }, {
  2097.     get: function (target, prop) {
  2098.       return target[prop];
  2099.     },
  2100.     set: function (target, prop, value) {
  2101.       if (prop == 'layoutStatus') {
  2102.  
  2103.         if (value === 0) {
  2104.           target[prop] = value;
  2105.           return true;
  2106.         } else if (target[prop] === value) {
  2107.           return true;
  2108.         } else {
  2109.           if (!target.layoutStatus_pending) {
  2110.             target.layoutStatus_pending = true;
  2111.             const old_layoutStatus = target[prop];
  2112.             target[prop] = value;
  2113.             layoutStatusMutex.lockWith(unlock => {
  2114.               target.layoutStatus_pending = false;
  2115.               let new_layoutStatus = target[prop];
  2116.               if (old_layoutStatus !== new_layoutStatus) {
  2117.                 layoutStatusChanged(old_layoutStatus, new_layoutStatus);
  2118.                 timeline.setTimeout(unlock, 40)
  2119.               } else {
  2120.                 unlock();
  2121.               }
  2122.             })
  2123.             return true;
  2124.           }
  2125.         }
  2126.       }
  2127.       target[prop] = value;
  2128.       return true;
  2129.     },
  2130.     has: function (target, prop) {
  2131.       return (prop in target);
  2132.     }
  2133.   });
  2134.  
  2135.   const svgElm = (w, h, vw, vh, p, m) => `<svg${m ? ` class=${m}` : ''} width="${w}" height="${h}" viewBox="0 0 ${vw} ${vh}" preserveAspectRatio="xMidYMid meet">${p}</svg>`
  2136.  
  2137.   function isVideoPlaying(video) {
  2138.     return video.currentTime > 0 && !video.paused && !video.ended && video.readyState > video.HAVE_CURRENT_DATA;
  2139.   }
  2140.  
  2141.   function wAttr(elm, attr, kv) {
  2142.     if (elm) {
  2143.       if (kv === true) {
  2144.         elm.setAttribute(attr, '');
  2145.       } else if (kv === false) {
  2146.         elm.removeAttribute(attr);
  2147.       } else if (kv === null) {
  2148.         //;
  2149.       } else if (typeof kv == 'string') {
  2150.         elm.setAttribute(attr, kv);
  2151.       }
  2152.     }
  2153.   }
  2154.  
  2155.   function hideTabBtn(tabBtn) {
  2156.     //console.log('hideTabBtn', tabBtn)
  2157.     let isActiveBefore = tabBtn.classList.contains('active');
  2158.     tabBtn.classList.add("tab-btn-hidden");
  2159.     if (isActiveBefore) {
  2160.       setToActiveTab();
  2161.     }
  2162.   }
  2163.  
  2164.   // function hasAttribute(obj, key) {
  2165.   //   return obj && obj.hasAttribute(key);
  2166.   // }
  2167.  
  2168.   function isTheater() {
  2169.     const cssElm = es.ytdFlexy;
  2170.     return (cssElm && cssElm.hasAttribute('theater'))
  2171.   }
  2172.  
  2173.   function isFullScreen() {
  2174.     const cssElm = es.ytdFlexy;
  2175.     return (cssElm && cssElm.hasAttribute('fullscreen'))
  2176.   }
  2177.  
  2178.   function isChatExpand() {
  2179.     const cssElm = es.ytdFlexy;
  2180.     return cssElm && (cssElm.getAttribute('tyt-chat') || '').charAt(0) === '+'
  2181.   }
  2182.  
  2183.   function isWideScreenWithTwoColumns() {
  2184.     const cssElm = es.ytdFlexy;
  2185.     return (cssElm && cssElm.hasAttribute('is-two-columns_'))
  2186.   }
  2187.  
  2188.   
  2189.   function isAnyActiveTab() {
  2190.     return document.querySelector('#right-tabs .tab-btn.active') !== null
  2191.   }
  2192.   // function isAnyActiveTab2() {
  2193.   //   return document.querySelectorAll('#right-tabs .tab-btn.active').length > 0
  2194.   // }
  2195.  
  2196.   function isEngagementPanelExpanded() { //note: not checking the visual elements
  2197.     const cssElm = es.ytdFlexy;
  2198.     return (cssElm && +cssElm.getAttribute('tyt-ep-visible') > 0)
  2199.   }
  2200.  
  2201.   function isDonationShelfExpanded() {
  2202.     const cssElm = es.ytdFlexy;
  2203.     return (cssElm && cssElm.hasAttribute('tyt-donation-shelf'))
  2204.   }
  2205.  
  2206.   const engagementIdMap = new Map();
  2207.   let engagementIdNext = 1; // max 1 << 62
  2208.  
  2209.   function engagement_panels_() {
  2210.  
  2211.     let res = [];
  2212.     // let shownRes = [];
  2213.  
  2214.     let v = 0;
  2215.     // let k = 1;
  2216.     // let count = 0;
  2217.  
  2218.     for (const ePanel of document.querySelectorAll(
  2219.       `ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility]:not([hidden])`
  2220.     )) {
  2221.       let targetId = ePanel.getAttribute('target-id')
  2222.       if (typeof targetId !== 'string') continue;
  2223.       let eId = engagementIdMap.get(targetId)
  2224.       if (!eId) {
  2225.         engagementIdMap.set(targetId, eId = engagementIdNext)
  2226.         if (engagementIdNext === (1 << 62)) {
  2227.           engagementIdNext = 1;
  2228.           console.warn('engagementId reached 1 << 62')
  2229.         } else {
  2230.           engagementIdNext = engagementIdNext << 1;
  2231.         }
  2232.       }
  2233.       // console.log(55,eId, targetId)
  2234.  
  2235.       let visibility = ePanel.getAttribute('visibility') //ENGAGEMENT_PANEL_VISIBILITY_EXPANDED //ENGAGEMENT_PANEL_VISIBILITY_HIDDEN
  2236.  
  2237.       let k = eId
  2238.       switch (visibility) {
  2239.         case 'ENGAGEMENT_PANEL_VISIBILITY_EXPANDED':
  2240.           v |= k;
  2241.           // count++;
  2242.           // shownRes.push(ePanel)
  2243.           res.push({ ePanel, k, visible: true });
  2244.           break;
  2245.         case 'ENGAGEMENT_PANEL_VISIBILITY_HIDDEN':
  2246.           res.push({ ePanel, k, visible: false });
  2247.           break;
  2248.         default:
  2249.           res.push({ ePanel, k, visible: false });
  2250.       }
  2251.  
  2252.       //k = k << 1;
  2253.  
  2254.     }
  2255.     return { list: res, value: v };
  2256.     // return { list: res, value: v, count: count, shownRes };
  2257.   }
  2258.  
  2259.  
  2260.   function ytBtnOpenEngagementPanel(/** @type {number | string} */ panel_id) {
  2261.  
  2262.     // console.log(panel_id)
  2263.     if (typeof panel_id == 'string') {
  2264.       panel_id = panel_id.replace('#engagement-panel-', '');
  2265.       panel_id = parseInt(panel_id);
  2266.     }
  2267.     if (panel_id >= 0) { } else return false;
  2268.  
  2269.     let panels = engagement_panels_();
  2270.     // console.log(panels)
  2271.  
  2272.     let actions = []
  2273.     for (const { ePanel, k, visible } of panels.list) {
  2274.       if ((panel_id & k) === k) {
  2275.         if (!visible) {
  2276.           actions.push({
  2277.             panelId: ePanel.getAttribute('target-id'),
  2278.             toShow: true
  2279.           })
  2280.         }
  2281.       } else {
  2282.         if (visible) {
  2283.           actions.push({
  2284.             panelId: ePanel.getAttribute('target-id'),
  2285.             toHide: true
  2286.           })
  2287.         }
  2288.       }
  2289.     }
  2290.  
  2291.     if (actions.length > 0) {
  2292.       // console.log(4545,actions)
  2293.       scriptletDeferred.debounce(() => {
  2294.         document.dispatchEvent(new CustomEvent('tyt-engagement-panel-visibility-change', {
  2295.           detail: actions
  2296.         }))
  2297.         actions = null
  2298.       })
  2299.     }
  2300.  
  2301.   }
  2302.  
  2303.   function ytBtnCloseEngagementPanel(/** @type {HTMLElement} */ s) {
  2304.     //ePanel.setAttribute('visibility',"ENGAGEMENT_PANEL_VISIBILITY_HIDDEN");
  2305.  
  2306.     let panelId = s.getAttribute('target-id')
  2307.     scriptletDeferred.debounce(() => {
  2308.       document.dispatchEvent(new CustomEvent('tyt-engagement-panel-visibility-change', {
  2309.         detail: {
  2310.           panelId,
  2311.           toHide: true
  2312.         }
  2313.       }))
  2314.     })
  2315.  
  2316.   }
  2317.  
  2318.   function ytBtnCloseEngagementPanels() {
  2319.     if (isEngagementPanelExpanded()) {
  2320.       for (const s of document.querySelectorAll(
  2321.         `ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility]:not([hidden])`
  2322.       )) {
  2323.         if (s.getAttribute('visibility') == "ENGAGEMENT_PANEL_VISIBILITY_EXPANDED") ytBtnCloseEngagementPanel(s);
  2324.       }
  2325.     }
  2326.   }
  2327.  
  2328.   function openDonationShelf() {
  2329.     if (!isDonationShelfExpanded()){
  2330.       let btn = document.querySelector('#tyt-donation-shelf-toggle-btn')
  2331.       if(btn){
  2332.         btn.click();
  2333.         return true;
  2334.       }
  2335.     }
  2336.     return false;
  2337.   }
  2338.   function closeDonationShelf() {
  2339.     if (isDonationShelfExpanded()){
  2340.       let btn = document.querySelector('#tyt-donation-shelf-toggle-btn')
  2341.       if(btn){
  2342.         btn.click();
  2343.         return true;
  2344.       }
  2345.     }
  2346.     return false;
  2347.   }
  2348.  
  2349.   function ytBtnSetTheater() {
  2350.     if (!isTheater()) {
  2351.       const sizeBtn = document.querySelector('ytd-watch-flexy #ytd-player button.ytp-size-button')
  2352.       if (sizeBtn) sizeBtn.click();
  2353.     }
  2354.   }
  2355.  
  2356.   function ytBtnCancelTheater() {
  2357.     if (isTheater()) {
  2358.       const sizeBtn = document.querySelector('ytd-watch-flexy #ytd-player button.ytp-size-button')
  2359.       if (sizeBtn) sizeBtn.click();
  2360.     }
  2361.   }
  2362.  
  2363.   function ytBtnExpandChat() {
  2364.     let button = document.querySelector('ytd-live-chat-frame#chat[collapsed] > .ytd-live-chat-frame#show-hide-button')
  2365.     if (button) {
  2366.       button =
  2367.         querySelectorFromAnchor.call(button, 'div.yt-spec-touch-feedback-shape') ||
  2368.         querySelectorFromAnchor.call(button, 'ytd-toggle-button-renderer');
  2369.       if (button) button.click();
  2370.     }
  2371.   }
  2372.  
  2373.   function ytBtnCollapseChat() {
  2374.     let button = document.querySelector('ytd-live-chat-frame#chat:not([collapsed]) > .ytd-live-chat-frame#show-hide-button')
  2375.     if (button) {
  2376.       button =
  2377.         querySelectorFromAnchor.call(button, 'div.yt-spec-touch-feedback-shape') ||
  2378.         querySelectorFromAnchor.call(button, 'ytd-toggle-button-renderer');
  2379.       if (button) button.click();
  2380.     }
  2381.   }
  2382.  
  2383.  
  2384.   async function makeVideosAutoLoad2() {
  2385.     let sVideosList = document.querySelector('ytd-watch-flexy #tab-videos [placeholder-videos]');
  2386.  
  2387.     if (!sVideosList) return null;
  2388.  
  2389.     //let ab = sVideosList.getAttribute('tabview-videos-autoload')
  2390.     await Promise.resolve(0);
  2391.  
  2392.     let endPosDOM = document.querySelector('tabview-view-videos-endpos')
  2393.     if (endPosDOM) endPosDOM.remove(); // just in case
  2394.     endPosDOM = document.createElement('tabview-view-videos-endpos')
  2395.     insertAfterTo(endPosDOM, sVideosList);
  2396.  
  2397.     await Promise.resolve(0);
  2398.  
  2399.  
  2400.     //sVideosList.setAttribute('tabview-videos-autoload', '1')
  2401.  
  2402.     _console.log(9333)
  2403.     if (!sVideosITO) {
  2404.  
  2405.       sVideosITO = new IntersectionObserver((entries) => {
  2406.  
  2407.         if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) return;
  2408.  
  2409.         _console.log(9334, entries)
  2410.         if (entries.length !== 1) return;
  2411.         if (entries[0].isIntersecting !== true) return;
  2412.         let elm = ((entries[0] || 0).target || 0);
  2413.         if (!elm) return;
  2414.         elm = null;
  2415.         entries = null;
  2416.  
  2417.         new Promise(resolve => {
  2418.  
  2419.           // compatibile with Search While Watching Video
  2420.           let isSearchGeneratedWithHiddenContinuation = !!document.querySelector('#related.style-scope.ytd-watch-flexy ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy ytd-compact-video-renderer.yt-search-generated.style-scope.ytd-item-section-renderer ~ ytd-continuation-item-renderer.style-scope.ytd-item-section-renderer[hidden]');
  2421.           if (isSearchGeneratedWithHiddenContinuation) return;
  2422.  
  2423.           // native YouTube coding use different way to handle custom videos, unknown condition for the continutation loading.
  2424.           let isOtherChipSelected = !!document.querySelector('ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy yt-chip-cloud-renderer.style-scope.yt-related-chip-cloud-renderer yt-chip-cloud-chip-renderer.style-scope.yt-chip-cloud-renderer[aria-selected="false"] ~ [aria-selected="true"]')
  2425.           if (isOtherChipSelected) return;
  2426.  
  2427.           setTimeout(resolve, 30); // delay required to allow YouTube generate the continuation elements
  2428.  
  2429.  
  2430.         }).then(() => {
  2431.  
  2432.           let res = setVideosTwoColumns(2 | 4, true)
  2433.  
  2434.           _console.log(9335, res)
  2435.  
  2436.           if (res.m2 && res.m3) {
  2437.             let m4 = closestDOM.call(res.m2, 'ytd-continuation-item-renderer');
  2438.             let m5, m6;
  2439.  
  2440.             _console.log(9336, m4)
  2441.             if (m4) {
  2442.               m5 = querySelectorFromAnchor.call(m4, 'ytd-button-renderer.style-scope.ytd-continuation-item-renderer, yt-button-renderer.style-scope.ytd-continuation-item-renderer');
  2443.  
  2444.               // YouTube coding bug - correct is 'ytd-button-renderer'. If the page is redirected under single column mode, the tag become 'yt-button-renderer'
  2445.               // under 'yt-button-renderer', the 
  2446.  
  2447.               if (m5)
  2448.                 m6 = querySelectorFromAnchor.call(m5, 'button.yt-spec-button-shape-next--call-to-action'); // main
  2449.  
  2450.               _console.log(9337, m4, m5, m6)
  2451.  
  2452.               if (m6) {
  2453.                 m6.click() // generic solution
  2454.               } else if (m5) {
  2455.                 m5.click(); // not sure
  2456.               } else {
  2457.                 m4.dispatchEvent(new Event('yt-service-request-sent-button-renderer')); // only for correct YouTube coding
  2458.               }
  2459.             }
  2460.             m4 = null;
  2461.             m5 = null;
  2462.             m6 = null;
  2463.           }
  2464.           res = null;
  2465.  
  2466.         });
  2467.  
  2468.       }, {
  2469.         rootMargin: `0px`, // refer to css margin-top:-30vh
  2470.         threshold: [0]
  2471.       })
  2472.       sVideosITO.observe(endPosDOM);
  2473.     } else {
  2474.       sVideosITO.disconnect();
  2475.       sVideosITO.observe(endPosDOM);
  2476.     }
  2477.  
  2478.  
  2479.   }
  2480.  
  2481.  
  2482.   function fixTabs() {
  2483.  
  2484.     if (!scriptEnable) return;
  2485.  
  2486.     let queryElement = document.querySelector('*:not(#tab-videos) > #related.ytd-watch-flexy > ytd-watch-next-secondary-results-renderer');
  2487.  
  2488.     let isRelocated = !!queryElement;
  2489.  
  2490.     if (isRelocated) {
  2491.  
  2492.       _console.log(3202, 2)
  2493.  
  2494.       let relatedElm = closestDOM.call(queryElement, '#related.ytd-watch-flexy'); // NOT NULL
  2495.  
  2496.       let right_tabs = document.querySelector('#right-tabs'); // can be NULL
  2497.  
  2498.       let tab_videos = right_tabs ? querySelectorFromAnchor.call(right_tabs, "#tab-videos") : null; // can be NULL
  2499.  
  2500.       if (tab_videos !== null) {
  2501.  
  2502.         _console.log(3202, 4)
  2503.  
  2504.         let target_container = document.querySelector('ytd-watch-flexy:not([is-two-columns_]) #primary-inner.ytd-watch-flexy, ytd-watch-flexy[is-two-columns_] #secondary-inner.ytd-watch-flexy')
  2505.         if (target_container) target_container.appendChild(right_tabs) // last-child
  2506.  
  2507.         tab_videos.appendChild(relatedElm);
  2508.         // no any other element set these attr. only init / relocation
  2509.         relatedElm.setAttribute('placeholder-for-youtube-play-next-queue', '')
  2510.         relatedElm.setAttribute('placeholder-videos', '')
  2511.  
  2512.         makeVideosAutoLoad2();
  2513.  
  2514.       }
  2515.  
  2516.     }
  2517.  
  2518.  
  2519.     /** @type {HTMLElement | null} */
  2520.     let chatroom = null;
  2521.     if (chatroom = document.querySelector('*:not([data-positioner="before|#chat"]) + ytd-live-chat-frame#chat, ytd-live-chat-frame#chat:first-child')) {
  2522.  
  2523.       let pHolderElm = document.querySelector('tabview-view-pholder[data-positioner="before|#chat"]');
  2524.       if (pHolderElm) pHolderElm.remove();
  2525.  
  2526.       if (document.querySelector('.YouTubeLiveFilledUpView')) {
  2527.         // no relocation
  2528.       } else {
  2529.  
  2530.         let rightTabs = document.querySelector('#right-tabs');
  2531.         if (rightTabs) {
  2532.           insertBeforeTo(chatroom, rightTabs);
  2533.         }
  2534.  
  2535.       }
  2536.  
  2537.       if (!pHolderElm) {
  2538.         pHolderElm = document.createElement('tabview-view-pholder');
  2539.         pHolderElm.setAttribute('data-positioner', 'before|#chat');
  2540.       }
  2541.  
  2542.       insertBeforeTo(pHolderElm, chatroom)
  2543.  
  2544.     }
  2545.  
  2546.  
  2547.   }
  2548.  
  2549.   
  2550.   async function isDocumentInFullScreenMode() {
  2551.     return document.fullscreenElement !== null;
  2552.   }
  2553.   async function energizedByVideoTimeUpdate() {
  2554.  
  2555.     const isFullscreen = await isDocumentInFullScreenMode();
  2556.     if (isFullscreen) return;
  2557.  
  2558.     // force browser to load the videostream during playing (primarily for music videos)
  2559.     // both background and foreground
  2560.  
  2561.     _updateTimeAccum++;
  2562.  
  2563.     if ((_updateTimeAccum + _viTimeNum) % 11 === 0) {
  2564.       // console.log(document.querySelector('video').currentTime) // 2.55, 2.64, 3.12, ...
  2565.       // about 2.66s
  2566.  
  2567.       if (_viTimeNum > 211) {
  2568.         // around 30.9s ~ 31.9s
  2569.         _viTimeNum = 200;
  2570.         _updateTimeAccum = (_updateTimeAccum % 8) + 1; // reset to 1 ~ 8
  2571.         postMessage({ tabviewEnergized: true }, 'https://www.youtube.com'); // post message to make alive
  2572.       }
  2573.  
  2574.       document.head.dataset.viTime = `${_viTimeNum + 1}`;
  2575.       await Promise.resolve(0)
  2576.       _viTimeNum = +document.head.dataset.viTime || 0;
  2577.     }
  2578.  
  2579.  
  2580.   }
  2581.  
  2582.   function autoCompletePosCreate(){
  2583.     
  2584.     let positioner = document.createElement("tabview-view-autocomplete-pos");
  2585.     let oldPositioner = document.querySelector("tabview-view-autocomplete-pos");
  2586.     if(oldPositioner) oldPositioner.remove();
  2587.     return positioner
  2588.   }
  2589.  
  2590.   function handlerAutoCompleteExist() {
  2591.     // Youtube - Search While Watching Video
  2592.  
  2593.     /** @type {HTMLElement} */
  2594.     let searchBox, autoComplete;
  2595.     searchBox = this;
  2596.     this.removeEventListener('autocomplete-sc-exist', handlerAutoCompleteExist, false)
  2597.     let domId = this.getAttribute('data-autocomplete-results-id')
  2598.  
  2599.     autoComplete = document.querySelector(`[data-autocomplete-input-id="${domId}"]`)
  2600.  
  2601.     if (!domId || !searchBox) return;
  2602.  
  2603.     let positioner = searchBox.nextSibling;
  2604.     if (positioner) {
  2605.       if (positioner.nodeName.toLowerCase() !== "tabview-view-autocomplete-pos") {
  2606.         positioner = autoCompletePosCreate();
  2607.         insertAfterTo(positioner, searchBox);
  2608.       }
  2609.     } else {
  2610.       positioner = autoCompletePosCreate();
  2611.       prependTo(positioner, searchBox.parentNode);
  2612.     }
  2613.     prependTo(autoComplete, positioner);
  2614.  
  2615.     setupSearchBox(searchBox, positioner);
  2616.  
  2617.  
  2618.   }
  2619.  
  2620.   async function setupSearchBox(searchBox, positioner) {
  2621.  
  2622.     let mb = getComputedStyle(searchBox).marginBottom
  2623.     let h = searchBox.offsetHeight + 'px'
  2624.  
  2625.     positioner.style.setProperty('--tyt-swwv-searchbox-mb', mb)
  2626.     positioner.style.setProperty('--tyt-swwv-searchbox-h', h)
  2627.  
  2628.     mtf_autocomplete_search()
  2629.  
  2630.   }
  2631.  
  2632.   function mtf_autocomplete_search() {
  2633.     // Youtube - Search While Watching Video
  2634.  
  2635.     /** @type {HTMLElement | null} */
  2636.     const ytdFlexyElm = es.ytdFlexy;
  2637.     if (!scriptEnable || !ytdFlexyElm) return;
  2638.  
  2639.     const autocomplete = querySelectorFromAnchor.call(ytdFlexyElm, '[placeholder-for-youtube-play-next-queue] input#suggestions-search + tabview-view-autocomplete-pos > .autocomplete-suggestions[data-autocomplete-input-id]:not([position-fixed-by-tabview-youtube])')
  2640.  
  2641.     if (autocomplete) {
  2642.  
  2643.       const searchBox = document.querySelector('[placeholder-for-youtube-play-next-queue] input#suggestions-search')
  2644.  
  2645.  
  2646.       if (searchBox) {
  2647.  
  2648.         const rAutoComplete = mWeakRef(autocomplete);
  2649.  
  2650.         function setVisible(autocomplete, b) {
  2651.           autocomplete.style.display = (b ? 'block' : 'none');
  2652.         }
  2653.  
  2654.         function isContentNotEmpty(searchbox, autocomplete) {
  2655.           return (searchbox.value || '').length > 0 && (autocomplete.textContent || '').length > 0;
  2656.         }
  2657.  
  2658.         autocomplete.parentNode.setAttribute('position-fixed-by-tabview-youtube', '');
  2659.         autocomplete.setAttribute('position-fixed-by-tabview-youtube', '');
  2660.         autocomplete.setAttribute('userscript-scrollbar-render', '')
  2661.  
  2662.         //let cancelClickToggle = false;
  2663.  
  2664.         if (!searchBox.hasAttribute('is-set-click-to-toggle')) {
  2665.           searchBox.setAttribute('is-set-click-to-toggle', '')
  2666.  
  2667.           searchBox.addEventListener('click', function () {
  2668.  
  2669.             Promise.resolve(0).then(() => {
  2670.  
  2671.               const autocomplete = kRef(rAutoComplete);
  2672.  
  2673.               if (!autocomplete) return;
  2674.  
  2675.               const isNotEmpty = isContentNotEmpty(this, autocomplete);
  2676.  
  2677.               if (isNotEmpty) {
  2678.  
  2679.                 let elmVisible = isDOMVisible(autocomplete);
  2680.  
  2681.                 if (elmVisible) {
  2682.                   setVisible(autocomplete, false)
  2683.                 }
  2684.                 else {
  2685.                   setVisible(autocomplete, true)
  2686.                 }
  2687.  
  2688.               }
  2689.  
  2690.             })
  2691.  
  2692.           }, bubblePassive)
  2693.  
  2694.           let cacheScrollIntoView = null;
  2695.           let rafID = 0;
  2696.           searchBox.addEventListener('keydown', function (evt) {
  2697.             //cancelClickToggle = true;
  2698.             switch (evt.code) {
  2699.               case 'ArrowUp':
  2700.               case 'ArrowDown':
  2701.  
  2702.                 let t = Date.now();
  2703.                 if (rafID === 0) {
  2704.                   rafID = requestAnimationFrame(() => {
  2705.                     rafID = 0;
  2706.                     let d = Date.now();
  2707.                     if (d - t > 300) return;
  2708.  
  2709.                     const autocomplete = kRef(rAutoComplete);
  2710.  
  2711.                     let selected = querySelectorFromAnchor.call(autocomplete, '.autocomplete-suggestion.selected');
  2712.                     let bool = selected && selected !== cacheScrollIntoView;
  2713.                     cacheScrollIntoView = selected;
  2714.                     if (bool) {
  2715.  
  2716.                       try {
  2717.                         selected.scrollIntoView({ block: "nearest", inline: "nearest" });
  2718.                       } catch (e) { }
  2719.  
  2720.                     }
  2721.  
  2722.                   })
  2723.                 }
  2724.               default:
  2725.               //
  2726.             }
  2727.  
  2728.  
  2729.           }, bubblePassive)
  2730.  
  2731.           searchBox.addEventListener('tyt-autocomplete-suggestions-change', function (evt) {
  2732.  
  2733.             //cancelClickToggle = true;
  2734.             if (evt.target !== document.activeElement) return;
  2735.             setTimeout(() => {
  2736.               const autocomplete = document.querySelector(`.autocomplete-suggestions[data-autocomplete-input-id="${this.getAttribute('data-autocomplete-results-id')}"]`);
  2737.               if (!autocomplete) return;
  2738.               const isNotEmpty = isContentNotEmpty(this, autocomplete);
  2739.               if (isNotEmpty) {
  2740.                 // dont detect visibility; just set to visible
  2741.                 setVisible(autocomplete, true);
  2742.               }
  2743.             }, 20);
  2744.  
  2745.           }, bubblePassive)
  2746.  
  2747.         }
  2748.  
  2749.       }
  2750.  
  2751.     }
  2752.  
  2753.   }
  2754.  
  2755.   const insertBeforeTo = HTMLElement.prototype.before ? (elm, target) => {
  2756.     if (!target || !elm) return null;
  2757.     // using before
  2758.     HTMLElement.prototype.before.call(target, elm);
  2759.     return true;
  2760.   } : (elm, target) => {
  2761.     if (!target || !elm) return null;
  2762.     // using insertBefore
  2763.     try {
  2764.       HTMLElement.prototype.insertBefore.call(target.parentNode, elm, target);
  2765.       return true;
  2766.     } catch (e) {
  2767.       console.log('element insert failed in old browser CE')
  2768.     }
  2769.     return false;
  2770.   }
  2771.  
  2772.   const insertAfterTo = HTMLElement.prototype.after ? (elm, target) => {
  2773.     if (!target || !elm) return null;
  2774.     // using after
  2775.     HTMLElement.prototype.after.call(target, elm);
  2776.     return true;
  2777.   } : (elm, target) => {
  2778.     if (!target || !elm) return null;
  2779.     // using insertBefore
  2780.     try {
  2781.       HTMLElement.prototype.insertBefore.call(target.parentNode, elm, target.nextSibling);
  2782.       return true;
  2783.     } catch (e) {
  2784.       console.log('element insert failed in old browser CE')
  2785.     }
  2786.     return false;
  2787.   }
  2788.  
  2789.   const prependTo = HTMLElement.prototype.prepend ? (elm, target) => {
  2790.     if (!target || !elm) return null;
  2791.     // using prepend
  2792.     HTMLElement.prototype.prepend.call(target, elm);
  2793.     return true;
  2794.   } : (elm, target) => {
  2795.     if (!target || !elm) return null;
  2796.     // using insertBefore
  2797.     try {
  2798.       HTMLElement.prototype.insertBefore.call(target, elm, target.firstChild);
  2799.       return true;
  2800.     } catch (e) {
  2801.       console.log('element insert failed in old browser CE')
  2802.     }
  2803.     return false;
  2804.   }
  2805.  
  2806.   const appends = HTMLElement.prototype.append ? (target, ...args) => {
  2807.     HTMLElement.prototype.append.call(target, ...args);
  2808.     return true;
  2809.   } : (target, ...args) => {
  2810.     for (const s of args) {
  2811.       target.appendChild(s)
  2812.     }
  2813.     return true;
  2814.   }
  2815.  
  2816.  
  2817.   // css animation check for element relocation
  2818.   function mtf_liveChatBtnF(node) {
  2819.  
  2820.     if (!node || node.nodeType !== 1) return;
  2821.  
  2822.     /** @type {HTMLElement | null} */
  2823.     const ytdFlexyElm = es.ytdFlexy;
  2824.     if (!scriptEnable || !ytdFlexyElm) return;
  2825.  
  2826.     let button = node;
  2827.  
  2828.     if (button) {
  2829.       prependTo(button, button.parentNode);
  2830.     }
  2831.  
  2832.  
  2833.   }
  2834.  
  2835.  
  2836.   function getWrapper(wrapperId) {
  2837.     let wrapper = document.getElementById(wrapperId);
  2838.     if (!wrapper) {
  2839.       wrapper = document.createElement('div');
  2840.       wrapper.id = wrapperId;
  2841.     }
  2842.     return wrapper;
  2843.   }
  2844.  
  2845.   // continuous check for element relocation
  2846.   // fired at begining & window resize, etc
  2847.   // might moved to #primary
  2848.   function mtf_append_playlist(/** @type {HTMLElement | null} */ playlist) {
  2849.  
  2850.     if (playlist === null) {
  2851.       playlist = document.querySelector('ytd-watch-flexy[playlist] *:not(#tabview-playlist-wrapper) > ytd-playlist-panel-renderer.style-scope.ytd-watch-flexy#playlist:not(.ytd-miniplayer)');
  2852.       // this playlist is highly possible to have '#items'
  2853.       if (!playlist) return;
  2854.     }
  2855.  
  2856.     /** @type {HTMLElement | null} */
  2857.     const ytdFlexyElm = es.ytdFlexy;
  2858.     if (!scriptEnable || !ytdFlexyElm) return;
  2859.  
  2860.     let items = querySelectorFromAnchor.call(playlist, "*:not(#tabview-playlist-wrapper) > ytd-playlist-panel-renderer#playlist:not(.ytd-miniplayer) #items.ytd-playlist-panel-renderer:not(:empty)");
  2861.  
  2862.     if (items !== null && playlist.nodeName.toUpperCase() === 'YTD-PLAYLIST-PANEL-RENDERER') {
  2863.  
  2864.       let tab_list = document.querySelector("#tab-list");
  2865.  
  2866.       if (!tab_list) return;
  2867.  
  2868.       let w = getWrapper("tabview-playlist-wrapper");
  2869.       let docFrag = new DocumentFragment();
  2870.       // avoid immediate reflow for append playlist before append to tab_list
  2871.       docFrag.appendChild(w);
  2872.       w.appendChild(playlist);
  2873.       tab_list.appendChild(docFrag);
  2874.       docFrag = null;
  2875.       w = null;
  2876.  
  2877.     }
  2878.   }
  2879.  
  2880.  
  2881.   function getCountHText(elm) {
  2882.     return `${pageFetchedDataVideoId || 0}...${elm.textContent}`
  2883.   }
  2884.  
  2885.   // content fix - info & playlist
  2886.   // fired at begining, and keep for in case any change
  2887.   function mtf_fix_details() {
  2888.  
  2889.     if (!scriptEnable) return Promise.resolve(0); // in case
  2890.  
  2891.     return Promise.all([
  2892.       new Promise(resolve => {
  2893.  
  2894.  
  2895.         let contentToggleBtn = document.querySelector('ytd-watch-flexy #tab-info ytd-expander tp-yt-paper-button#less.ytd-expander:not([hidden]), #tab-info ytd-expander tp-yt-paper-button#more.ytd-expander:not([hidden])');
  2896.  
  2897.         if (contentToggleBtn) {
  2898.  
  2899.           (() => {
  2900.             const domElement = contentToggleBtn;
  2901.             contentToggleBtn = null;
  2902.             // if(!domElement.parentElement) return; // not working in pseudo custom element - parentNode = documentFragment
  2903.             const expander = closestDOM.call(domElement, 'ytd-watch-flexy #tab-info ytd-expander')
  2904.  
  2905.             if (!expander || expander.nodeType !== 1) return; // checking whether it is still on the page
  2906.  
  2907.             if (expander.style.getPropertyValue('--ytd-expander-collapsed-height')) {
  2908.               expander.style.setProperty('--ytd-expander-collapsed-height', '')
  2909.             }
  2910.             nativeCall(expander, [
  2911.               { 'property': 'canToggleJobId', 'value': 1 }, // false disable calculateCanCollapse in childrenChanged
  2912.               { 'property': 'alwaysToggleable', 'value': false }, // this is checked in childrenChanged
  2913.               { 'property': 'recomputeOnResize', 'value': false }, // no need to check toggleable
  2914.               { 'property': 'isToggled', 'value': true }, // show full content
  2915.               { 'property': 'canToggle', 'value': false }, // hide show more or less btn
  2916.               { 'property': 'collapsedHeight', 'value': 999999 } // disable collapsed height check
  2917.             ])
  2918.  
  2919.           })();
  2920.         }
  2921.  
  2922.         resolve();
  2923.  
  2924.  
  2925.       }),
  2926.  
  2927.       new Promise(resolve => {
  2928.  
  2929.  
  2930.         let strcturedInfo = document.querySelector('ytd-watch-flexy #tab-info ytd-structured-description-content-renderer.style-scope.ytd-video-secondary-info-renderer[hidden]')
  2931.         if (strcturedInfo) {
  2932.  
  2933.           (() => {
  2934.  
  2935.             strcturedInfo.removeAttribute('hidden');
  2936.  
  2937.  
  2938.             setTimeout(() => {
  2939.  
  2940.  
  2941.               let e = closestDOM.call(strcturedInfo, 'ytd-watch-flexy #tab-info ytd-expander');
  2942.  
  2943.               if (!e) return;
  2944.               let s = querySelectorAllFromAnchor.call(e, '#tab-info .more-button.style-scope.ytd-video-secondary-info-renderer[role="button"]');
  2945.               if (s.length === 1) {
  2946.                 let sp = s[0].parentNode
  2947.                 if (sp.nodeName.toUpperCase() === 'TP-YT-PAPER-BUTTON') {
  2948.  
  2949.                   sp.click();
  2950.                 }
  2951.               }
  2952.  
  2953.             }, 300)
  2954.  
  2955.           })();
  2956.         }
  2957.  
  2958.  
  2959.         resolve();
  2960.  
  2961.       }),
  2962.  
  2963.       new Promise(resolve => {
  2964.  
  2965.  
  2966.         // just in case the playlist is collapsed
  2967.         let playlist = document.querySelector('#tab-list ytd-playlist-panel-renderer#playlist')
  2968.         if (playlist && playlist.matches('[collapsed], [collapsible]')) {
  2969.  
  2970.           (() => {
  2971.  
  2972.             const domElement = playlist;
  2973.             playlist = null;
  2974.             // if(!domElement.parentElement || domElement.nodeType!==1) return; // not working in pseudo custom element - parentNode = documentFragment
  2975.             const tablist = closestDOM.call(domElement, 'ytd-watch-flexy #tab-list')
  2976.  
  2977.             if (!tablist || tablist.nodeType !== 1) return; // checking whether it is still on the page
  2978.  
  2979.             if (domElement.hasAttribute('collapsed')) wAttr(domElement, 'collapsed', false);
  2980.             if (domElement.hasAttribute('collapsible')) wAttr(domElement, 'collapsible', false);
  2981.           })();
  2982.         }
  2983.  
  2984.         resolve();
  2985.  
  2986.  
  2987.       }),
  2988.  
  2989.       new Promise(resolve => {
  2990.  
  2991.  
  2992.         let subscribersCount = document.querySelector('#primary.ytd-watch-flexy #below ytd-watch-metadata #owner #owner-sub-count')
  2993.  
  2994.         if (subscribersCount) {
  2995.           if (!subscribersCount.hasAttribute('title')) {
  2996.             // assume YouTube native coding would not implement [title]
  2997.  
  2998.             let ytdWatchMetaDataElm = closestDOM.call(subscribersCount, 'body #primary.ytd-watch-flexy #below ytd-watch-metadata[modern-metapanel-order]:not([tabview-uploader-hover])');
  2999.             if (ytdWatchMetaDataElm) {
  3000.               ytdWatchMetaDataElm.setAttribute('tabview-uploader-hover', '')
  3001.               let _h = 0;
  3002.               ytdWatchMetaDataElm.addEventListener('transitionend', function (evt) {
  3003.                 // no css selector rule required; no delay js function call required
  3004.  
  3005.                 if (evt.propertyName === 'background-position-y') { // string comparision only
  3006.  
  3007.                   // If the cursor initially stayed at the owner info area, 
  3008.                   // the mechanism will be broken
  3009.                   // so implement the true leave detection at their parent
  3010.  
  3011.                   let isHover = evt.elapsedTime < 0.03; // 50ms @normal; 10ms @hover;
  3012.  
  3013.                   let cssRoot = this; // no querySelector is required
  3014.                   if (!isHover) {
  3015.                     // 50ms is slowest than sub element leave effect
  3016.                     if (_h > 0) cssRoot.classList.toggle('tabview-uploader-hover', false) // even the order is incorrect, removal of class is safe.
  3017.                     _h = 0; // in case
  3018.                   } else if (isHover) {
  3019.                     // 10ms is faster than sub element hover effect
  3020.                     // no removal of class in case browser's transition implemention order is incorrect
  3021.                     _h = 0; // in case
  3022.                   }
  3023.  
  3024.                 } else if (evt.propertyName === 'background-position-x') { // string comparision only
  3025.  
  3026.                   //from one element to another element; hover effect of 2nd element transition end first.
  3027.                   // _h: 0 -> 1 -> 2 -> 1
  3028.  
  3029.                   let isHover = evt.elapsedTime < 0.03; // 40ms @normal; 20ms @hover;
  3030.                   if (isHover) _h++; else _h--;
  3031.                   let cssRoot = this; // no querySelector is required
  3032.                   if (_h <= 0) {
  3033.                     cssRoot.classList.toggle('tabview-uploader-hover', false)
  3034.                     _h = 0; // in case
  3035.                   } else if (_h === 1) {
  3036.                     cssRoot.classList.toggle('tabview-uploader-hover', true)
  3037.                   }
  3038.  
  3039.                 }
  3040.  
  3041.               }, capturePassive) // capture the hover effect inside the cssRoot
  3042.             }
  3043.  
  3044.           }
  3045.           subscribersCount.setAttribute('title', subscribersCount.textContent); // set at every page update
  3046.  
  3047.         }
  3048.  
  3049.         resolve();
  3050.  
  3051.       })
  3052.  
  3053.  
  3054.     ]);
  3055.  
  3056.  
  3057.   }
  3058.  
  3059.  
  3060.   const innerCommentsFuncs = [
  3061.     // comments
  3062.     function () {
  3063.  
  3064.       let elm = kRef(this.elm);
  3065.       _console.log(2907, 1, !!elm)
  3066.       if (!elm) return;
  3067.  
  3068.       let span = document.querySelector("span#tyt-cm-count")
  3069.       let r = '0';
  3070.       let txt = elm.textContent
  3071.       if (typeof txt == 'string') {
  3072.         let m = txt.match(/[\d\,\s]+/)
  3073.         if (m) {
  3074.           r = m[0].trim()
  3075.         }
  3076.       }
  3077.  
  3078.       if (span) {
  3079.         let tab_btn = closestDOM.call(span, '.tab-btn[tyt-tab-content="#tab-comments"]')
  3080.         if (tab_btn) tab_btn.setAttribute('loaded-comment', 'normal')
  3081.         span.textContent = r;
  3082.       }
  3083.  
  3084.       setCommentSection(1);
  3085.       m_last_count = getCountHText(elm);
  3086.       _console.log(2907, 2, m_last_count)
  3087.       return true;
  3088.     },
  3089.     // message
  3090.     function () {
  3091.  
  3092.       let elm = kRef(this.elm);
  3093.       _console.log(2907, 2, !!elm)
  3094.       if (!elm) return;
  3095.  
  3096.       let span = document.querySelector("span#tyt-cm-count")
  3097.       if (span) {
  3098.         let tab_btn = closestDOM.call(span, '.tab-btn[tyt-tab-content="#tab-comments"]')
  3099.         if (tab_btn) tab_btn.setAttribute('loaded-comment', 'message')
  3100.         span.textContent = '\u200B';
  3101.       }
  3102.  
  3103.       setCommentSection(1);
  3104.       m_last_count = getCountHText(elm);
  3105.       _console.log(2907, 2, m_last_count)
  3106.       return true;
  3107.     }
  3108.   ]
  3109.  
  3110.  
  3111.   let innerDOMCommentsCountTextCache = null;
  3112.   function innerDOMCommentsCountLoader() {
  3113.     // independent of tabs initialization
  3114.     // f() is executed after tabs being ready
  3115.  
  3116.     /** @type {HTMLElement | null} */
  3117.     const ytdFlexyElm = es.ytdFlexy;
  3118.     if (!scriptEnable || !ytdFlexyElm) return;
  3119.  
  3120.     _console.log(3434, pageType)
  3121.     if (pageType !== 'watch') return;
  3122.  
  3123.  
  3124.     /** @type {Array<HTMLElement>} */
  3125.     let qmElms = [...document.querySelectorAll('ytd-comments#comments #count.ytd-comments-header-renderer, ytd-comments#comments ytd-item-section-renderer.ytd-comments#sections #header ~ #contents > ytd-message-renderer.ytd-item-section-renderer')]
  3126.  
  3127.  
  3128.     const eTime = +`${Date.now() - mTime}00`;
  3129.  
  3130.     let res = new Array(qmElms.length);
  3131.     res.newFound = false;
  3132.  
  3133.  
  3134.     let ci = 0;
  3135.     let latest = -1;
  3136.  
  3137.     let retrival = cmTime;
  3138.     cmTime = eTime;
  3139.  
  3140.     for (const qmElm of qmElms) {
  3141.  
  3142.       let mgz = 0
  3143.       if (qmElm.id === 'count') {
  3144.         //#count.ytd-comments-header-renderer
  3145.         mgz = 1;
  3146.  
  3147.       } else if ((qmElm.textContent || '').trim()) {
  3148.         //ytd-message-renderer.ytd-item-section-renderer
  3149.         mgz = 2;
  3150.         // it is possible to get the message before the header generation.
  3151.         // sample link - https://www.youtube.com/watch?v=PVUZ8Nvr1ic
  3152.         // sample link - https://www.youtube.com/watch?v=yz8AiQc1Bk8
  3153.       }
  3154.  
  3155.       if (mgz > 0) {
  3156.  
  3157.  
  3158.         let lastUpdate = loadedCommentsDT.get(qmElm) || 0;
  3159.         let diff = retrival - lastUpdate
  3160.         _console.log(2907, diff)
  3161.         let isNew = (diff > 4 || diff < -4);
  3162.         if (!isNew) {
  3163.           loadedCommentsDT.set(qmElm, eTime);
  3164.         } else {
  3165.           loadedCommentsDT.set(qmElm, eTime + 1);
  3166.           res.newFound = true;
  3167.           latest = ci;
  3168.         }
  3169.  
  3170.         res[ci] = {
  3171.           elm: mWeakRef(qmElm),
  3172.           isNew: isNew,
  3173.           isLatest: false, //set afterwards
  3174.           f: innerCommentsFuncs[mgz - 1]
  3175.         }
  3176.  
  3177.         if (DEBUG_LOG) {
  3178.           res[ci].status = mgz;
  3179.           res[ci].text = qmElm.textContent;
  3180.         }
  3181.  
  3182.         ci++;
  3183.  
  3184.       }
  3185.  
  3186.     }
  3187.     if (res.length > ci) res.length = ci;
  3188.  
  3189.     if (latest >= 0) {
  3190.  
  3191.       res[latest].isLatest = true;
  3192.  
  3193.  
  3194.       let elm = kRef(res[latest].elm);
  3195.       if (elm)
  3196.         innerDOMCommentsCountTextCache = elm.textContent;
  3197.  
  3198.     } else if (res.length === 1) {
  3199.  
  3200.       let qmElm = kRef(res[0].elm);
  3201.       let t = null;
  3202.       if (qmElm) {
  3203.  
  3204.         let t = qmElm.textContent;
  3205.         if (t !== innerDOMCommentsCountTextCache) {
  3206.  
  3207.  
  3208.           loadedCommentsDT.set(qmElm, eTime + 1);
  3209.           res.newFound = true;
  3210.  
  3211.           res[0].isNew = true;
  3212.           latest = 0;
  3213.  
  3214.           res[latest].isLatest = true;
  3215.  
  3216.         }
  3217.  
  3218.         innerDOMCommentsCountTextCache = t;
  3219.  
  3220.  
  3221.       }
  3222.  
  3223.  
  3224.     }
  3225.  
  3226.  
  3227.     _console.log(2908, res, Q.comments_section_loaded)
  3228.  
  3229.     _console.log(696, res.map(e => ({
  3230.  
  3231.       text: kRef(e.elm).textContent,
  3232.       isNew: e.isNew,
  3233.       isLatest: e.isLatest
  3234.  
  3235.     })))
  3236.  
  3237.     return res;
  3238.  
  3239.   }
  3240.  
  3241.   function restoreFetching() {
  3242.  
  3243.  
  3244.     if (mtf_forceCheckLiveVideo_disable === 2) return;
  3245.  
  3246.  
  3247.     const ytdFlexyElm = es.ytdFlexy;
  3248.     if (!ytdFlexyElm) return;
  3249.  
  3250.     _console.log(2901)
  3251.  
  3252.     if ((ytdFlexyElm.getAttribute('tyt-comments') || '').indexOf('K') >= 0) return;
  3253.  
  3254.     _console.log(2902)
  3255.  
  3256.     let visibleComments = querySelectorFromAnchor.call(ytdFlexyElm, 'ytd-comments#comments:not([hidden])')
  3257.     if (!visibleComments) return;
  3258.  
  3259.     _console.log(2903)
  3260.  
  3261.  
  3262.     ytdFlexyElm.setAttribute('tyt-comments', 'Kz');
  3263.  
  3264.     const tabBtn = document.querySelector('[tyt-tab-content="#tab-comments"]');
  3265.     let span = querySelectorFromAnchor.call(tabBtn, 'span#tyt-cm-count');
  3266.     tabBtn.removeAttribute('loaded-comment')
  3267.     span.innerHTML = '';
  3268.  
  3269.     if (tabBtn) {
  3270.       tabBtn.classList.remove("tab-btn-hidden")
  3271.     }
  3272.  
  3273.     _console.log(2905)
  3274.  
  3275.  
  3276.   }
  3277.  
  3278.   const resultCommentsCountCaching = (res) => {
  3279.     // update fetchCounts by res
  3280.     // indepedent of previous state of fetchCounts
  3281.     _console.log(2908, 10, res)
  3282.     if (!res) return;
  3283.     fetchCounts.count = res.length;
  3284.     //if(fetchCounts.new && !document.documentElement.contains(fetchCounts.new.elm)) fetchCounts.new = null;
  3285.     //if(fetchCounts.base && !document.documentElement.contains(fetchCounts.base.elm)) fetchCounts.base = null;
  3286.     if (fetchCounts.new) return;
  3287.     let newFound = res.newFound;
  3288.     if (!newFound) {
  3289.       if (res.length === 1) {
  3290.         fetchCounts.base = res[0];
  3291.         return false;
  3292.       }
  3293.     } else if (res.length === 1) {
  3294.       fetchCounts.new = res[0];
  3295.       return true;
  3296.     } else if (res.length > 1) {
  3297.       for (const entry of res) {
  3298.         if (entry.isLatest === true && entry.isNew) {
  3299.           fetchCounts.new = entry;
  3300.           return true;
  3301.         }
  3302.       }
  3303.     }
  3304.   }
  3305.  
  3306.   const domInit_comments = () => {
  3307.  
  3308.  
  3309.     let comments = document.querySelector(`ytd-comments#comments:not([o3r-${sa_comments}])`);
  3310.     if (!comments) return;
  3311.  
  3312.     // once per {ytd-comments#comments} detection
  3313.  
  3314.     const ytdFlexyElm = es.ytdFlexy;
  3315.     if (!scriptEnable || !ytdFlexyElm) return;
  3316.  
  3317.     _console.log(3901)
  3318.  
  3319.     if (mtoVisibility_Comments.bindElement(comments)) {
  3320.       mtoVisibility_Comments.observer.check(9);
  3321.     }
  3322.  
  3323.  
  3324.   };
  3325.  
  3326.   const domInit_teaserInfo = () => {
  3327.     //obsolete?
  3328.  
  3329.     let teaserInfo = document.querySelector('#description-and-actions.style-scope.ytd-watch-metadata > #description ytd-text-inline-expander:not([tabview-removed-duplicate])');
  3330.  
  3331.     if (!teaserInfo) return;
  3332.  
  3333.     // for Teaser UI
  3334.     // once per {#description-and-actions.style-scope.ytd-watch-metadata > #description > ytd-text-inline-expander} detection
  3335.  
  3336.     const ytdFlexyElm = es.ytdFlexy;
  3337.     if (!scriptEnable || !ytdFlexyElm) return;
  3338.     let addedInfo = document.querySelector('#tab-info ytd-expander[tabview-info-expander]');
  3339.  
  3340.     if (!addedInfo) return;
  3341.  
  3342.     scriptletDeferred.debounce(() => {
  3343.  
  3344.       teaserInfo.setAttribute('tabview-removed-duplicate', '')
  3345.       teaserInfo.dispatchEvent(new CustomEvent('tabview-no-duplicate-info'))
  3346.  
  3347.     })
  3348.  
  3349.  
  3350.   }
  3351.  
  3352.  
  3353.   const FP = {
  3354.  
  3355.     mtf_attrPlaylist: (attrName, newValue) => {
  3356.       //attr mutation checker - {ytd-playlist-panel-renderer#playlist} \single
  3357.       //::attr ~ hidden    
  3358.       //console.log(1210)
  3359.  
  3360.       _console.log(21311)
  3361.       if (!scriptEnable) return;
  3362.       if (pageType !== 'watch') return;
  3363.       /** @type {HTMLElement|null} */
  3364.       let cssElm = es.ytdFlexy;
  3365.       if (!cssElm) return;
  3366.  
  3367.       _console.log(21312)
  3368.  
  3369.       let playlist = document.querySelector('#tab-list ytd-playlist-panel-renderer#playlist'); // can be null if it is manually triggered
  3370.       let isAnyPlaylistExist = playlist && !playlist.hasAttribute('hidden');
  3371.       const tabBtn = document.querySelector('[tyt-tab-content="#tab-list"]');
  3372.       //console.log(1212.2, isPlaylistHidden, playlist.getAttribute('hidden'))
  3373.       if (tabBtn) {
  3374.         //console.log('attr playlist changed')
  3375.         let isPlaylistTabHidden = tabBtn.classList.contains('tab-btn-hidden')
  3376.         if (isPlaylistTabHidden && isAnyPlaylistExist) {
  3377.           //console.log('attr playlist changed - no hide')
  3378.           tabBtn.classList.remove("tab-btn-hidden");
  3379.         } else if (!isPlaylistTabHidden && !isAnyPlaylistExist) {
  3380.           //console.log('attr playlist changed - add hide')
  3381.           hideTabBtn(tabBtn);
  3382.         }
  3383.       }
  3384.       /* visible layout for triggering hidden removal */
  3385.  
  3386.     },
  3387.     mtf_attrComments: (attrName, newValue) => {
  3388.       //attr mutation checker - {ytd-comments#comments} \single
  3389.       //::attr ~ hidden
  3390.  
  3391.       // *** consider this can happen immediately after pop state. timeout / interval might clear out.
  3392.  
  3393.       renderDeferred.resolved && resultCommentsCountCaching(innerDOMCommentsCountLoader());
  3394.       // this is triggered by mutationobserver, the comment count update might have ouccred
  3395.  
  3396.       if (pageType !== 'watch') return;
  3397.  
  3398.       let comments = document.querySelector('ytd-comments#comments')
  3399.       const tabBtn = document.querySelector('[tyt-tab-content="#tab-comments"]');
  3400.       if (!comments || !tabBtn) return;
  3401.       let isCommentHidden = comments.hasAttribute('hidden')
  3402.       //console.log('attr comments changed')
  3403.  
  3404.  
  3405.       const ytdFlexyElm = es.ytdFlexy;
  3406.       if (!scriptEnable || !ytdFlexyElm) return;
  3407.  
  3408.       if (mtf_forceCheckLiveVideo_disable === 2) {
  3409.  
  3410.       } else if (!isCommentHidden) {
  3411.  
  3412.         ytdFlexyElm.setAttribute('tyt-comments', 'Kv');
  3413.         if (!fetchCounts.fetched) {
  3414.           emptyCommentSection();
  3415.         }
  3416.         //_console.log(9360, 71);
  3417.         tabBtn.classList.remove("tab-btn-hidden") //if contains
  3418.  
  3419.       } else if (isCommentHidden) {
  3420.  
  3421.         ytdFlexyElm.setAttribute('tyt-comments', 'Kh');
  3422.         if (pageType === 'watch' && Q.comments_section_loaded === 1) {
  3423.           emptyCommentSection();
  3424.           _console.log(9360, 72);
  3425.         }
  3426.  
  3427.       }
  3428.  
  3429.  
  3430.     },
  3431.  
  3432.     mtf_attrChatroom: (attrName, newValue) => {
  3433.       //attr mutation checker - {ytd-live-chat-frame#chat} \single
  3434.       //::attr ~ collapsed
  3435.  
  3436.       const ytdFlexyElm = es.ytdFlexy;
  3437.       if (!scriptEnable || !ytdFlexyElm) return;
  3438.       if (pageType !== 'watch') return;
  3439.  
  3440.       setToggleBtnTxt();
  3441.  
  3442.       layoutStatusMutex.lockWith(unlock => {
  3443.  
  3444.         const chatBlock = document.querySelector('ytd-live-chat-frame#chat')
  3445.         /** @type {HTMLElement | null} */
  3446.         const cssElm = es.ytdFlexy;
  3447.  
  3448.         if (!chatBlock || !cssElm) {
  3449.           unlock();
  3450.           return;
  3451.         }
  3452.  
  3453.         if (pageType !== 'watch') {
  3454.           unlock();
  3455.           return;
  3456.         }
  3457.  
  3458.         let newAttrV = '';
  3459.         //mtf_attrChatroom => chat exist => tyt-chat non-null
  3460.  
  3461.         let isCollapsed = !!chatBlock.hasAttribute('collapsed');
  3462.  
  3463.         let currentAttr = cssElm.getAttribute('tyt-chat');
  3464.  
  3465.         if (currentAttr !== null) { //string     // [+-]?[az]+[az\$]+
  3466.           let isPlusMinus = currentAttr.charCodeAt(0) < 46; // 43 OR 45
  3467.           if (isPlusMinus) newAttrV = currentAttr.substring(1);
  3468.         }
  3469.  
  3470.         if (isCollapsed) newAttrV = `-${newAttrV}`;
  3471.         if (!isCollapsed) newAttrV = `+${newAttrV}`;
  3472.  
  3473.         wAttr(cssElm, 'tyt-chat', newAttrV);
  3474.  
  3475.  
  3476.         if (typeof newAttrV === 'string' && !isCollapsed) lstTab.lastPanel = '#chatroom';
  3477.  
  3478.         if (!isCollapsed && isAnyActiveTab() && isWideScreenWithTwoColumns() && !isTheater()) {
  3479.           switchTabActivity(null);
  3480.           timeline.setTimeout(unlock, 40);
  3481.         } else {
  3482.           unlock();
  3483.         }
  3484.  
  3485.         if (isCollapsed) {
  3486.           chatBlock.removeAttribute('tyt-iframe-loaded');
  3487.           // console.log(922,1)
  3488.           // buggy; this section might not be correctly executed.
  3489.           // guess no collaspe change but still iframe will distory and reload.
  3490.           let btn = document.querySelector('tyt-iframe-popup-btn')
  3491.           if(btn) btn.remove();
  3492.         }
  3493.  
  3494.       })
  3495.  
  3496.  
  3497.     },
  3498.  
  3499.     mtf_attrEngagementPanel: ( /** @type {MutationRecord[]} */ mutations, /** @type {MutationObserver} */ observer) => {
  3500.       //attr mutation checker - {ytd-engagement-panel-section-list-renderer} \mutiple
  3501.       //::attr ~ visibility
  3502.  
  3503.       const cssElm = es.ytdFlexy;
  3504.       if (!scriptEnable || !cssElm) return;
  3505.       let found = null
  3506.       if (mutations === 9) {
  3507.         found = observer
  3508.       } else {
  3509.         if (document.querySelector('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])')) {
  3510.           // do nothing
  3511.         } else {
  3512.           mtoVisibility_EngagementPanel.clear(true)
  3513.           storeLastPanel = null;
  3514.           wAttr(cssElm, 'tyt-ep-visible', false);
  3515.         }
  3516.         return
  3517.       }
  3518.       let nextValue = engagement_panels_().value;
  3519.       let previousValue = +cssElm.getAttribute('tyt-ep-visible') || 0;
  3520.       if (nextValue === 0 || previousValue === nextValue) return
  3521.       cssElm.setAttribute('tyt-ep-visible', nextValue);
  3522.       lstTab.lastPanel = `#engagement-panel-${nextValue}`;
  3523.       storeLastPanel = mWeakRef(found)
  3524.       let tabsDeferredSess = pageSession.session();
  3525.       if (!scriptEnable && tabsDeferred.resolved) { }
  3526.       else tabsDeferred.debounce(() => {
  3527.         if (!tabsDeferredSess.isValid) return;
  3528.         tabsDeferredSess = null;
  3529.         if (es.storeLastPanel !== found) return
  3530.         layoutStatusMutex.lockWith(unlock => {
  3531.           if (es.storeLastPanel === found && whenEngagemenetPanelVisible()) {
  3532.             timeline.setTimeout(unlock, 40);
  3533.           } else {
  3534.             unlock();
  3535.           }
  3536.         })
  3537.       })
  3538.     }
  3539.  
  3540.   }
  3541.  
  3542.  
  3543.   function variableResets() {
  3544.  
  3545.     // reset variables when it is confirmed a new page is loaded
  3546.  
  3547.     lstTab =
  3548.     {
  3549.       lastTab: null, //tab-xxx
  3550.       lastPanel: null,
  3551.       last: null
  3552.     };
  3553.  
  3554.     scriptEnable = false;
  3555.     ytdFlexy = null;
  3556.     wls.layoutStatus = 0;
  3557.  
  3558.     mtoVisibility_Playlist.clear(true)
  3559.     mtoVisibility_Comments.clear(true)
  3560.  
  3561.     mtoVisibility_Chatroom.clear(true)
  3562.     mtoFlexyAttr.clear(true)
  3563.  
  3564.  
  3565.     for (const elem of document.querySelectorAll('ytd-expander[tabview-info-expander]')) {
  3566.       elem.removeAttribute('tabview-info-expander');
  3567.     }
  3568.  
  3569.     mtf_chatBlockQ = null;
  3570.  
  3571.   }
  3572.  
  3573.  
  3574.   function getWord(tag) {
  3575.     return langWords[pageLang][tag] || langWords['en'][tag] || '';
  3576.   }
  3577.  
  3578.  
  3579.   function getTabsHTML() {
  3580.  
  3581.     const sTabBtnVideos = `${svgElm(16, 16, 90, 90, svgVideos)}<span>${getWord('videos')}</span>`;
  3582.     const sTabBtnInfo = `${svgElm(16, 16, 60, 60, svgInfo)}<span>${getWord('info')}</span>`;
  3583.     const sTabBtnPlayList = `${svgElm(16, 16, 20, 20, svgPlayList)}<span>${getWord('playlist')}</span>`;
  3584.  
  3585.     let str1 = `
  3586.         <paper-ripple class="style-scope yt-icon-button">
  3587.             <div id="background" class="style-scope paper-ripple" style="opacity:0;"></div>
  3588.             <div id="waves" class="style-scope paper-ripple"></div>
  3589.         </paper-ripple>
  3590.         `;
  3591.  
  3592.     let str_fbtns = `
  3593.     <div class="font-size-right">
  3594.     <div class="font-size-btn font-size-plus" tyt-di="8rdLQ">
  3595.     <svg width="12" height="12" viewbox="0 0 50 50" preserveAspectRatio="xMidYMid meet" 
  3596.     stroke="currentColor" stroke-width="6" stroke-linecap="round" vector-effect="non-scaling-size">
  3597.       <path d="M12 25H38M25 12V38"/>
  3598.     </svg>
  3599.     </div><div class="font-size-btn font-size-minus" tyt-di="8rdLQ">
  3600.     <svg width="12" height="12" viewbox="0 0 50 50" preserveAspectRatio="xMidYMid meet"
  3601.     stroke="currentColor" stroke-width="6" stroke-linecap="round" vector-effect="non-scaling-size">
  3602.       <path d="M12 25h26"/>
  3603.     </svg>
  3604.     </div>
  3605.     </div>
  3606.     `.replace(/[\r\n]+/g, '');
  3607.  
  3608.     const str_tabs = [
  3609.       `<a id="tab-btn1" tyt-di="q9Kjc" tyt-tab-content="#tab-info" class="tab-btn">${sTabBtnInfo}${str1}${str_fbtns}</a>`,
  3610.       `<a id="tab-btn3" tyt-di="q9Kjc" tyt-tab-content="#tab-comments" class="tab-btn">${svgElm(16, 16, 120, 120, svgComments)}<span id="tyt-cm-count"></span>${str1}${str_fbtns}</a>`,
  3611.       `<a id="tab-btn4" tyt-di="q9Kjc" tyt-tab-content="#tab-videos" class="tab-btn">${sTabBtnVideos}${str1}${str_fbtns}</a>`,
  3612.       `<a id="tab-btn5" tyt-di="q9Kjc" tyt-tab-content="#tab-list" class="tab-btn tab-btn-hidden">${sTabBtnPlayList}${str1}${str_fbtns}</a>`
  3613.     ].join('');
  3614.  
  3615.     let addHTML = `
  3616.         <div id="right-tabs">
  3617.             <tabview-view-pos-thead></tabview-view-pos-thead>
  3618.             <header>
  3619.                 <div id="material-tabs">
  3620.                     ${str_tabs}
  3621.                 </div>
  3622.             </header>
  3623.             <div class="tab-content">
  3624.                 <div id="tab-info" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  3625.                 <div id="tab-comments" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  3626.                 <div id="tab-videos" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  3627.                 <div id="tab-list" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  3628.             </div>
  3629.         </div>
  3630.         `;
  3631.  
  3632.     return addHTML;
  3633.  
  3634.   }
  3635.  
  3636.   function getLang() {
  3637.  
  3638.     let lang = 'en';
  3639.     let htmlLang = ((document || 0).documentElement || 0).lang || '';
  3640.     switch (htmlLang) {
  3641.       case 'en':
  3642.       case 'en-GB':
  3643.         lang = 'en';
  3644.         break;
  3645.       case 'de':
  3646.       case 'de-DE':
  3647.         lang = 'du';
  3648.         break;
  3649.       case 'fr':
  3650.       case 'fr-CA':
  3651.       case 'fr-FR':
  3652.         lang = 'fr';
  3653.         break;
  3654.       case 'zh-Hant':
  3655.       case 'zh-Hant-HK':
  3656.       case 'zh-Hant-TW':
  3657.         lang = 'tw';
  3658.         break;
  3659.       case 'zh-Hans':
  3660.       case 'zh-Hans-CN':
  3661.         lang = 'cn';
  3662.         break;
  3663.       case 'ja':
  3664.       case 'ja-JP':
  3665.         lang = 'jp';
  3666.         break;
  3667.       case 'ko':
  3668.       case 'ko-KR':
  3669.         lang = 'kr';
  3670.         break;
  3671.       case 'ru':
  3672.       case 'ru-RU':
  3673.         lang = 'ru';
  3674.         break;
  3675.       default:
  3676.         lang = 'en';
  3677.     }
  3678.  
  3679.     if (langWords[lang]) pageLang = lang; else pageLang = 'en';
  3680.  
  3681.   }
  3682.  
  3683.   // function checkEvtTarget(evt, nodeNames) {
  3684.   //   return nodeNames.includes((((evt || 0).target || 0).nodeName || 0));
  3685.   // }
  3686.  
  3687.   function pageCheck() {
  3688.     // yt-player-updated
  3689.     // yt-page-data-updated
  3690.     // yt-watch-comments-ready - omitted
  3691.     // [is-two-columns_] attr changed => layout changed
  3692.  
  3693.     /** @type {HTMLElement | null} */
  3694.     const ytdFlexyElm = es.ytdFlexy;
  3695.     if (!scriptEnable || !ytdFlexyElm) return;
  3696.  
  3697.     let comments = querySelectorFromAnchor.call(ytdFlexyElm, '#primary.ytd-watch-flexy ytd-watch-metadata ~ ytd-comments#comments');
  3698.     if (comments) {
  3699.       let tabComments = document.querySelector('#tab-comments');
  3700.       if (tabComments) {
  3701.         tabComments.appendChild(comments);
  3702.       }
  3703.     }
  3704.  
  3705.     mtf_append_playlist(null); // playlist relocated after layout changed
  3706.  
  3707.     fixTabs();
  3708.  
  3709.     mtf_autocomplete_search();
  3710.  
  3711.   }
  3712.  
  3713.   function globalHook(eventType, func) {
  3714.     if (!func) return;
  3715.  
  3716.     const count = (globalHook_hashs[eventType] || 0) + 1;
  3717.  
  3718.     globalHook_hashs[eventType] = count;
  3719.  
  3720.     const s = globalHook_symbols[count - 1] || (globalHook_symbols[count - 1] = Symbol());
  3721.  
  3722.     document.addEventListener(eventType, function (evt) {
  3723.       if (evt[s]) return;
  3724.       evt[s] = true;
  3725.       new Promise(() => {
  3726.         func(evt);
  3727.       })
  3728.  
  3729.     }, capturePassive)
  3730.  
  3731.   }
  3732.  
  3733.   async function makeHeaderFloat() {
  3734.     if (isMakeHeaderFloatCalled) return;
  3735.     isMakeHeaderFloatCalled = true;
  3736.     await Promise.resolve(0);
  3737.  
  3738.  
  3739.     const [header, headerP, navElm] = await Promise.all([
  3740.       new Promise(f => f(document.querySelector("#right-tabs header"))),
  3741.  
  3742.       new Promise(f => f(document.querySelector("#right-tabs tabview-view-pos-thead"))),
  3743.  
  3744.       new Promise(f => f(document.querySelector('#masthead-container, #masthead')))
  3745.  
  3746.     ]);
  3747.  
  3748.  
  3749.     let ito_dt = 0;
  3750.     let ito = new IntersectionObserver((entries) => {
  3751.  
  3752.       let xyStatus = null;
  3753.  
  3754.       //console.log(entries);
  3755.  
  3756.       let xRect = null;
  3757.       let rRect = null;
  3758.  
  3759.       for (const entry of entries) {
  3760.         if (!entry.boundingClientRect || !entry.rootBounds) continue; // disconnected from DOM tree
  3761.         if (!entry.isIntersecting && entry.boundingClientRect.y <= entry.rootBounds.top && entry.boundingClientRect.y < entry.rootBounds.bottom) {
  3762.           xyStatus = 2;
  3763.           xRect = entry.boundingClientRect;
  3764.           rRect = entry.rootBounds;
  3765.         } else if (entry.isIntersecting && entry.boundingClientRect.y >= entry.rootBounds.top && entry.boundingClientRect.y < entry.rootBounds.bottom) {
  3766.           xyStatus = 1;
  3767.           xRect = entry.boundingClientRect;
  3768.           rRect = entry.rootBounds;
  3769.         }
  3770.       }
  3771.       let p = wls.layoutStatus;
  3772.       //console.log(document.documentElement.clientWidth)
  3773.       if (xyStatus !== null) {
  3774.  
  3775.         if (xyStatus === 2 && isStickyHeaderEnabled === true) {
  3776.  
  3777.         } else if (xyStatus === 1 && isStickyHeaderEnabled === false) {
  3778.  
  3779.         } else {
  3780.           singleColumnScrolling2(xyStatus, xRect.width, {
  3781.             left: xRect.left,
  3782.             right: rRect.width - xRect.right
  3783.           });
  3784.         }
  3785.  
  3786.       }
  3787.  
  3788.       let tdt = Date.now();
  3789.       ito_dt = tdt;
  3790.       setTimeout(() => {
  3791.         if (ito_dt !== tdt) return;
  3792.         if (p !== wls.layoutStatus) singleColumnScrolling();
  3793.       }, 300)
  3794.  
  3795.     },
  3796.       {
  3797.         rootMargin: `0px 0px 0px 0px`,
  3798.         threshold: [0]
  3799.       })
  3800.  
  3801.     ito.observe(headerP)
  3802.  
  3803.   }
  3804.  
  3805.   function checkPlaylistForInitialization() {
  3806.     // if the page url is with playlist; renderer event might not occur.
  3807.  
  3808.     // playlist already added to dom; this is to set the visibility event and change hidden status
  3809.  
  3810.     let m_playlist = document.querySelector(`#tab-list ytd-playlist-panel-renderer#playlist:not([o3r-${sa_playlist}])`)
  3811.  
  3812.     // once per {ytd-playlist-panel-renderer#playlist} detection
  3813.  
  3814.     _console.log(3902, !!m_playlist)
  3815.  
  3816.     const ytdFlexyElm = es.ytdFlexy;
  3817.     if (!scriptEnable || !ytdFlexyElm) { }
  3818.     else if (m_playlist) {
  3819.  
  3820.       if (mtoVisibility_Playlist.bindElement(m_playlist)) {
  3821.         mtoVisibility_Playlist.observer.check(9); //delay check required for browser bug - hidden changed not triggered 
  3822.       }
  3823.       m_playlist = null;
  3824.  
  3825.     }
  3826.  
  3827.     FP.mtf_attrPlaylist();
  3828.  
  3829.     Promise.resolve(0).then(() => {
  3830.       // ['tab-btn', 'tab-btn', 'tab-btn active', 'tab-btn tab-btn-hidden']
  3831.       // bug
  3832.       const ytdFlexyElm = es.ytdFlexy;
  3833.       if (!scriptEnable || !ytdFlexyElm) return;
  3834.       if (!switchTabActivity_lastTab && (ytdFlexyElm.getAttribute('tyt-tab') + '').indexOf('#tab-') === 0 && /https\:\/\/www\.youtube\.com\/watch.*[\?\&]list=[\w\-\_]+/.test(location.href)) {
  3835.         if (setToActiveTab('#tab-list')) switchTabActivity_lastTab = '#tab-list';
  3836.       }
  3837.     })
  3838.  
  3839.   }
  3840.  
  3841.  
  3842.   const _pageBeingInit = function () {
  3843.  
  3844.     pageSession.inc();
  3845.     if (pageSession.sid > 9e9) pageSession.sid = 9;
  3846.  
  3847.     fetchCounts = {
  3848.       base: null,
  3849.       new: null,
  3850.       fetched: false,
  3851.       count: null
  3852.     }
  3853.     pageFetchedData = null;
  3854.     pageFetchedDataVideoId = null;
  3855.     chatroomDetails = null;
  3856.   }
  3857.  
  3858.   const pageBeingInit = function () {
  3859.  
  3860.     if(_isPageFirstLoaded && location.pathname==='/watch') document.documentElement.setAttribute('tyt-lock', '')
  3861.  
  3862.     // call regardless pageType
  3863.     // run once on / before pageSeq2
  3864.  
  3865.     let action = 0;
  3866.     if (tabsDeferred.resolved) {
  3867.       action = 1;
  3868.     } else if (renderDeferred.resolved) {
  3869.       // in case , rarely, tabsDeferred not yet resolved but animateLoadDeferred resolved
  3870.       action = 2;
  3871.     }
  3872.     
  3873.     renderIdentifier++;
  3874.     if (renderIdentifier > 1e9) renderIdentifier = 9;
  3875.     renderDeferred.reset();
  3876.  
  3877.     if (action === 1) {
  3878.       comments_loader = 1;
  3879.       tabsDeferred.reset();
  3880.       if ((firstLoadStatus & 8) === 0) {
  3881.         innerDOMCommentsCountLoader(); //ensure the previous record is saved
  3882.         // no need to cache to the rendering state
  3883.         _pageBeingInit();
  3884.       } else if ((firstLoadStatus & 2) === 2) {
  3885.         firstLoadStatus -= 2;
  3886.         script_inject_js1.inject();
  3887.       }
  3888.       _console.log('pageBeingInit', firstLoadStatus)
  3889.     }
  3890.  
  3891.     if (pageRendered === 2) {
  3892.       pageRendered = 0;
  3893.       let elmPL = document.querySelector('tabview-view-ploader');
  3894.       if (elmPL) elmPL.remove();
  3895.       pageRendered = 0;
  3896.     }
  3897.  
  3898.     if (!scriptletDeferred.resolved) {
  3899.       // just in case, should not happen this.
  3900.       // this is to clear the pending queue if scriptlet is not ready.
  3901.       scriptletDeferred.reset();
  3902.     }
  3903.  
  3904.   };
  3905.  
  3906.   const advanceFetch = async function () {
  3907.     if (pageType === 'watch' && !fetchCounts.new && !fetchCounts.fetched) {
  3908.       renderDeferred.resolved && resultCommentsCountCaching(innerDOMCommentsCountLoader());
  3909.       if (renderDeferred.resolved && !fetchCounts.new) {
  3910.         window.dispatchEvent(new Event("scroll"));
  3911.       }
  3912.     }
  3913.   };
  3914.  
  3915.   function getFinalComments() {
  3916.  
  3917.     if ((comments_loader & 3) === 3) { } else return;
  3918.     comments_loader = 0;
  3919.  
  3920.     let ei = 0;
  3921.  
  3922.     function execute() {
  3923.       //sync -> animateLoadDeferred.resolved always true
  3924.  
  3925.       if (!renderDeferred.resolved) return;
  3926.  
  3927.       _console.log(2323)
  3928.  
  3929.       if (Q.comments_section_loaded !== 0) return;
  3930.       if (fetchCounts.fetched) return;
  3931.  
  3932.  
  3933.       let ret = innerDOMCommentsCountLoader();
  3934.       resultCommentsCountCaching(ret);
  3935.  
  3936.       if (fetchCounts.new && !fetchCounts.fetched) {
  3937.  
  3938.         _console.log(4512, 4, Q.comments_section_loaded, fetchCounts.new, !fetchCounts.fetched)
  3939.         if (fetchCounts.new.f()) {
  3940.           fetchCounts.fetched = true;
  3941.           _console.log(9972, 'fetched = true')
  3942.           fetchCommentsFinished();
  3943.         }
  3944.  
  3945.         return;
  3946.       }
  3947.  
  3948.  
  3949.       ei++;
  3950.  
  3951.       if (fetchCounts.base && !fetchCounts.new && !fetchCounts.fetched && fetchCounts.count === 1) {
  3952.  
  3953.  
  3954.         let elm = kRef(fetchCounts.base.elm);
  3955.         let txt = elm ? getCountHText(elm) : null;
  3956.         let condi1 = ei > 7;
  3957.         let condi2 = txt === m_last_count;
  3958.         if (condi1 || condi2) {
  3959.  
  3960.           if (fetchCounts.base.f()) {
  3961.             fetchCounts.fetched = true;
  3962.             _console.log(9972, 'fetched = true')
  3963.             //return true;
  3964.             fetchCommentsFinished();
  3965.           }
  3966.  
  3967.         }
  3968.  
  3969.       }
  3970.  
  3971.       if (!fetchCounts.fetched) {
  3972.         if (ei > 7) {
  3973.           let elm = ret.length === 1 ? kRef(ret[0].elm) : null;
  3974.           let txt = elm ? getCountHText(elm) : null;
  3975.           if (elm && txt !== m_last_count) {
  3976.             fetchCounts.base = null;
  3977.             fetchCounts.new = ret[0];
  3978.             fetchCounts.new.f();
  3979.             fetchCounts.fetched = true;
  3980.             _console.log(9979, 'fetched = true')
  3981.             fetchCommentsFinished();
  3982.           }
  3983.           return;
  3984.         }
  3985.         return true;
  3986.       }
  3987.  
  3988.     }
  3989.  
  3990.  
  3991.     async function alCheckFn(ks) {
  3992.  
  3993.       let alCheckCount = 9;
  3994.       let alCheckInterval = 420;
  3995.  
  3996.       do {
  3997.  
  3998.         if (renderIdentifier !== ks) break;
  3999.         if (alCheckCount === 0) break;
  4000.         if (execute() !== true) break;
  4001.         --alCheckCount;
  4002.  
  4003.         await new Promise(r => setTimeout(r, alCheckInterval));
  4004.  
  4005.       } while (true)
  4006.  
  4007.     }
  4008.     let ks = renderIdentifier;
  4009.     renderDeferred.debounce(() => {
  4010.       if (ks !== renderIdentifier) return
  4011.       alCheckFn(ks);
  4012.  
  4013.     });
  4014.  
  4015.  
  4016.   }
  4017.  
  4018.  
  4019.   let g_check_detail_A = 0;
  4020.   let checkDuplicateRes = null;
  4021.   function setHiddenStateForDesc(){
  4022.     let ytdFlexyElm = es.ytdFlexy
  4023.     if (!ytdFlexyElm) return
  4024.     let hiddenBool = !document.fullscreenElement ? ytdFlexyElm.classList.contains('tabview-info-duplicated') : false
  4025.     let elm
  4026.     elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] #description #plain-snippet-text')
  4027.     if (elm) {
  4028.       wAttr(elm, 'hidden', hiddenBool)
  4029.     }
  4030.     elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] #description #formatted-snippet-text')
  4031.     if (elm) {
  4032.       wAttr(elm, 'hidden', hiddenBool)
  4033.     }
  4034.   }
  4035.   function checkDuplicatedInfo_then(isCheck, checkDuplicateRes) {
  4036.  
  4037.     const ytdFlexyElm = es.ytdFlexy;
  4038.     if (!ytdFlexyElm) return; //unlikely
  4039.  
  4040.     let cssbool_c1 = false, cssbool_c2 = false, cssbool_c3 = false;
  4041.     if (isCheck === 5) {
  4042.  
  4043.       if (ytdFlexyElm.matches('.tabview-info-duplicated[flexy]')) {
  4044.         cssbool_c1 = !!querySelectorFromAnchor.call(ytdFlexyElm, '#description.style-scope.ytd-watch-metadata > #description-inner:only-child');
  4045.         cssbool_c2 = !!querySelectorFromAnchor.call(ytdFlexyElm, '#tab-info ytd-expander #description.ytd-video-secondary-info-renderer');
  4046.         cssbool_c2 = !!querySelectorFromAnchor.call(ytdFlexyElm, '#tab-info ytd-expander ytd-rich-metadata-renderer.ytd-rich-metadata-row-renderer');
  4047.       }
  4048.  
  4049.       if (typeof checkDuplicateRes === 'boolean') {
  4050.         setHiddenStateForDesc();
  4051.       }
  4052.     }
  4053.  
  4054.     ytdFlexyElm.setAttribute('tyt-has', `${cssbool_c1 ? 'A' : 'a'}${cssbool_c2 ? 'B' : 'b'}${cssbool_c3 ? 'C' : 'c'}`);
  4055.  
  4056.   }
  4057.   function checkDuplicatedInfo(req) {
  4058.     // console.log('checkDuplicatedInfo')
  4059.  
  4060.  
  4061.     async function checkDuplicatedInfoContentEqual(desc1, desc2) {
  4062.       // basically desc1 and desc2 are content identical
  4063.       // however, class name order could be different
  4064.  
  4065.       let txt1 = new Promise(r => r(desc1.textContent))
  4066.  
  4067.       let txt2 = new Promise(r => r(desc2.textContent))
  4068.  
  4069.  
  4070.       let [res1, res2] = await Promise.all([txt1, txt2]);
  4071.  
  4072.       return { res: res1 === res2 }
  4073.     }
  4074.  
  4075.     async function checkDuplicatedInfoInner() {
  4076.  
  4077.       const ytdFlexyElm = es.ytdFlexy;
  4078.       if (!ytdFlexyElm) return; //unlikely
  4079.  
  4080.       let t = Date.now();
  4081.       g_check_detail_A = t;
  4082.  
  4083.       ytdFlexyElm.classList.toggle('tabview-info-duplicated', true) // hide first;
  4084.  
  4085.       await new Promise(resolve => setTimeout(resolve, 1)); // mcrcr might be not yet initalized
  4086.  
  4087.  
  4088.       if (g_check_detail_A !== t) return;
  4089.  
  4090.       let elm
  4091.       elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] #description #plain-snippet-text')
  4092.       if (elm) {
  4093.         wAttr(elm, 'hidden', false)
  4094.       }
  4095.       elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] #description #formatted-snippet-text')
  4096.       if (elm) {
  4097.         wAttr(elm, 'hidden', false)
  4098.       }
  4099.       await Promise.resolve(0);
  4100.  
  4101.       // the class added before can be removed from the external coding
  4102.  
  4103.       function mrcrf(mrcr) {
  4104.         let tmp;
  4105.         if (mrcr) {
  4106.           if (tmp = querySelectorFromAnchor.call(mrcr, '#always-shown[hidden]:empty')) tmp.removeAttribute('hidden')
  4107.           if (tmp = querySelectorFromAnchor.call(mrcr, '#collapsible[hidden]:empty')) tmp.removeAttribute('hidden')
  4108.         }
  4109.       }
  4110.  
  4111.       let mrcr1 = document.querySelector('ytd-watch-metadata.ytd-watch-flexy[modern-metapanel] > ytd-metadata-row-container-renderer.style-scope.ytd-watch-metadata')
  4112.       mrcrf(mrcr1);
  4113.       await Promise.resolve(0);
  4114.       let mrcr2 = document.querySelector('ytd-expander.ytd-video-secondary-info-renderer ytd-metadata-row-container-renderer.style-scope.ytd-video-secondary-info-renderer')
  4115.       mrcrf(mrcr2);
  4116.       await Promise.resolve(0);
  4117.  
  4118.       let desc1 = null;
  4119.       let desc2 = document.querySelector('ytd-expander.ytd-video-secondary-info-renderer #description.style-scope.ytd-video-secondary-info-renderer > yt-formatted-string.content.style-scope.ytd-video-secondary-info-renderer[split-lines]:not(:empty)');
  4120.       await Promise.resolve(0);
  4121.  
  4122.       if (desc2 && desc2.firstElementChild === null) {
  4123.         // plainText = true;
  4124.         desc1 = document.querySelector('ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata #plain-snippet-text.ytd-text-inline-expander');
  4125.       }
  4126.       if (!desc1) desc1 = document.querySelector('ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata yt-formatted-string#formatted-snippet-text.style-scope.ytd-text-inline-expander:not(:empty)');
  4127.       await Promise.resolve(0);
  4128.  
  4129.       if (desc1) {
  4130.         let parentContainer = req.descMetaLines;
  4131.         // hidden
  4132.  
  4133.         // example video
  4134.         // https://www.youtube.com/watch?v=R65uouhSYJ0
  4135.  
  4136.         if (parentContainer) {
  4137.  
  4138.           let m = querySelectorFromAnchor.call(parentContainer, 'ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata yt-formatted-string[split-lines].ytd-text-inline-expander');
  4139.  
  4140.           if (m) {
  4141.  
  4142.             if (m.hasAttribute('hidden')) {
  4143.  
  4144.               let expandBtn = querySelectorFromAnchor.call(parentContainer, 'tp-yt-paper-button#expand.ytd-text-inline-expander:not([hidden])');
  4145.  
  4146.               if (expandBtn) {
  4147.  
  4148.                 expandBtn.click();
  4149.                 await new Promise(r => setTimeout(r, 30));
  4150.                 if (!m.hasAttribute('hidden')) desc1 = m;
  4151.               }
  4152.  
  4153.             } else {
  4154.  
  4155.               desc1 = m;
  4156.  
  4157.             }
  4158.  
  4159.           }
  4160.  
  4161.         }
  4162.       }
  4163.  
  4164.       //console.log(desc1, desc2)
  4165.  
  4166.       let infoDuplicated = true;
  4167.  
  4168.       let mb1 = null, mb2 = null;
  4169.  
  4170.       if (desc2 === null && desc1 !== null && desc1.textContent === '') {
  4171.         // example: https://www.youtube.com/watch?v=l9m3OpH9pbI
  4172.         desc1 = null
  4173.       }
  4174.  
  4175.       if ((desc1 === null) ^ (desc2 === null)) {
  4176.         infoDuplicated = false;
  4177.       } else if ((mrcr1 === null) ^ (mrcr2 === null)) {
  4178.         infoDuplicated = false;
  4179.       } else {
  4180.  
  4181.         await Promise.all([
  4182.  
  4183.           (mrcr1 !== mrcr2 && mrcr1 !== null && mrcr2 !== null) ?
  4184.             checkDuplicatedInfoContentEqual(mrcr1, mrcr2).then((o) => {
  4185.               //console.log('mrcr', o.res)
  4186.               let { res, pNodeA, pNodeB } = o;
  4187.               mb1 = res;
  4188.  
  4189.               if (res !== true) infoDuplicated = false;
  4190.             }) : null,
  4191.  
  4192.           (desc1 !== desc2 && desc1 !== null && desc2 !== null) ?
  4193.             checkDuplicatedInfoContentEqual(desc1, desc2).then((o) => {
  4194.               //console.log('desc', o.res)
  4195.               let { res, pNodeA, pNodeB } = o;
  4196.               mb2 = res;
  4197.  
  4198.               if (!mb2) {
  4199.                 // console.log('mb2', desc1, desc2, desc1.textContent, desc2.textContent)
  4200.               }
  4201.  
  4202.               if (res !== true) infoDuplicated = false;
  4203.  
  4204.             }) : null
  4205.  
  4206.         ]);
  4207.  
  4208.       }
  4209.       req = null;
  4210.  
  4211.       console.log('[tyt] modern-info-duplicate', `(r, b1, b2) = (${infoDuplicated ? 1 : 0}, ${mb1 ? 1 : 0}, ${mb2 ? 1 : 0})`, `${infoDuplicated && mb1 && mb2 ? 'Success' : 'Failed'}`)
  4212.  
  4213.       if (g_check_detail_A !== t) return;
  4214.  
  4215.       //ytdFlexyElm.classList.toggle('tabview-info-duplicated', infoDuplicated)
  4216.       checkDuplicateRes = infoDuplicated;
  4217.  
  4218.       return 5; // other than 5, duplicated check = false
  4219.  
  4220.     };
  4221.  
  4222.  
  4223.     return checkDuplicatedInfoInner();
  4224.  
  4225.  
  4226.   }
  4227.  
  4228.  
  4229.   function setupChatFrameDOM(node) {
  4230.     // this function calls 3 times per each new video page
  4231.  
  4232.     // 'tyt-chat' is initialized in setupChatFrameDisplayState1()
  4233.  
  4234.     if (!chatroomDetails) return;
  4235.     let liveChatFrame = node || document.querySelector('ytd-live-chat-frame#chat')
  4236.     if (liveChatFrame) {
  4237.  
  4238.       // every per [new] {ytd-live-chat-frame#chat} detection - reset after mini-playview
  4239.  
  4240.       let ytdFlexyElm = es.ytdFlexy;
  4241.       if (scriptEnable && ytdFlexyElm) {
  4242.         if (mtoVisibility_Chatroom.bindElement(liveChatFrame)) {
  4243.           mtoVisibility_Chatroom.observer.check(9)
  4244.         }
  4245.       }
  4246.  
  4247.       liveChatFrame = null;
  4248.       ytdFlexyElm = null;
  4249.  
  4250.       setToggleBtnTxt(); // immediate update when page changed
  4251.  
  4252.       if (node !== null) {
  4253.         // button might not yet be rendered
  4254.         requestAnimationFrame(setToggleBtnTxt); // bool = true must be front page
  4255.       } else {
  4256.  
  4257.         // this is due to page change
  4258.         let incorrectChat = document.querySelector('ytd-watch-flexy[is-two-columns_][theater] ytd-live-chat-frame#chat:not([collapsed])')
  4259.         if (incorrectChat) {
  4260.           incorrectChat.setAttribute('collapsed', '')
  4261.         }
  4262.  
  4263.       }
  4264.  
  4265.     }
  4266.  
  4267.   }
  4268.  
  4269.   function whenEngagemenetPanelVisible() {
  4270.  
  4271.     const layoutStatus = wls.layoutStatus;
  4272.     if ((layoutStatus & (LAYOUT_TWO_COLUMNS | LAYOUT_THEATER)) === LAYOUT_TWO_COLUMNS) {
  4273.  
  4274.       if (layoutStatus & LAYOUT_TAB_EXPANDED) {
  4275.         switchTabActivity(null);
  4276.         return true;
  4277.       } else if (layoutStatus & LAYOUT_CHATROOM_EXPANDED) {
  4278.         ytBtnCollapseChat();
  4279.         return true;
  4280.       }
  4281.  
  4282.     }
  4283.  
  4284.     return false;
  4285.  
  4286.   }
  4287.  
  4288.  
  4289.   function removeFocusOnLeave(evt) {
  4290.     let node = (evt || 0).target || 0
  4291.     let activeElement = document.activeElement || 0
  4292.     if (node.nodeType === 1 && activeElement.nodeType === 1) {
  4293.       new Promise(() => {
  4294.         if (node.contains(activeElement)) {
  4295.           activeElement.blur();
  4296.         }
  4297.       })
  4298.     }
  4299.   }
  4300.  
  4301.   async function setupVideo(node){
  4302.     // this can be fired even in background without tabs rendered
  4303.     const attrKey = 'gM7Cp'
  4304.     let video = querySelectorFromAnchor.call(node, `#movie_player video[src]:not([${attrKey}])`);
  4305.     if (video) {
  4306.       video.setAttribute(attrKey, '')
  4307.  
  4308.       video.addEventListener('timeupdate', (evt) => {
  4309.         energizedByVideoTimeUpdate();
  4310.       }, bubblePassive);
  4311.  
  4312.       video.addEventListener('ended', (evt) => {
  4313.         // scrollIntoView => auto start next video
  4314.         // otherwise it cannot auto paly next
  4315.         if (pageType === 'watch') {
  4316.           let elm = evt.target;
  4317.           Promise.resolve(elm).then((elm) => {
  4318.             if (pageType === 'watch') {
  4319.               let scrollElm = closestDOM.call(elm, '#player') || closestDOM.call(elm, '#ytd-player') || elm;
  4320.               // background applicable
  4321.               scrollElm.scrollIntoView(false);
  4322.               scrollElm = null
  4323.             }
  4324.             elm = null
  4325.           });
  4326.         }
  4327.  
  4328.       }, bubblePassive)
  4329.  
  4330.     }
  4331.   }
  4332.  
  4333.   globalHook('yt-player-updated', (evt) => {
  4334.  
  4335.     const node = ((evt || 0).target) || 0
  4336.  
  4337.     if (node.nodeType !== 1) return;
  4338.  
  4339.     const nodeName = node.nodeName.toUpperCase();
  4340.  
  4341.     _console.log(evt.target.nodeName, 904, evt.type);
  4342.  
  4343.     if (nodeName !== 'YTD-PLAYER') return
  4344.  
  4345.     setupVideo(node)
  4346.  
  4347.  
  4348.     let tabsDeferredSess = pageSession.session();
  4349.     if (!scriptEnable && tabsDeferred.resolved) { }
  4350.     else tabsDeferred.debounce(() => {
  4351.  
  4352.       if (!tabsDeferredSess.isValid) return;
  4353.       tabsDeferredSess = null;
  4354.  
  4355.  
  4356.       if (!scriptEnable) return
  4357.  
  4358.       if (renderDeferred.resolved && Q.comments_section_loaded === 0 && fetchCounts.new && !fetchCounts.fetched) {
  4359.         fetchCounts.new.f();
  4360.         fetchCounts.fetched = true;
  4361.  
  4362.         fetchCommentsFinished();
  4363.         _console.log(9972, 'fetched = true')
  4364.       }
  4365.  
  4366.       _console.log(2178, 4)
  4367.       pageCheck();
  4368.  
  4369.       domInit_comments();
  4370.       setupChatFrameDOM(null);
  4371.  
  4372.  
  4373.     });
  4374.  
  4375.  
  4376.   });
  4377.  
  4378.   function ytMicroEventsInit() {
  4379.  
  4380.     _console.log(902)
  4381.  
  4382.     /** @type {Map<string, Function>} */
  4383.     let handleDOMAppearFN = new Map();
  4384.     function handleDOMAppear( /** @type {string} */ fn, /** @type { listener: (this: Document, ev: AnimationEvent ) => any } */ func) {
  4385.       if (handleDOMAppearFN.size === 0) {
  4386.         document.addEventListener('animationstart', (evt) => {
  4387.           let func = handleDOMAppearFN.get(evt.animationName);
  4388.           if (func) func(evt);
  4389.         }, capturePassive)
  4390.       } else {
  4391.         if (handleDOMAppearFN.has(fn)) return;
  4392.       }
  4393.       handleDOMAppearFN.set(fn, func);
  4394.     }
  4395.  
  4396.     handleDOMAppear('videosDOMAppended', function (evt) {
  4397.       videosDeferred.resolve();
  4398.     })
  4399.  
  4400.     handleDOMAppear('liveChatFrameDOMAppended', (evt) => {
  4401.  
  4402.       let node = evt.target;
  4403.       if (!node) return;
  4404.  
  4405.       let tabsDeferredSess = pageSession.session();
  4406.       if (!scriptEnable && tabsDeferred.resolved) { }
  4407.       else tabsDeferred.debounce(() => {
  4408.  
  4409.         // P.S. avoid immediately dom change
  4410.         // time delay to avoid attribute set after dom appended.
  4411.  
  4412.         if (!tabsDeferredSess.isValid) return;
  4413.         tabsDeferredSess = null;
  4414.  
  4415.         setupChatFrameDOM(node); // front page
  4416.         node = null;
  4417.  
  4418.       })
  4419.  
  4420.     });
  4421.  
  4422.     handleDOMAppear('pageLoaderAnimation', (evt) => {
  4423.       pageRendered = 2;
  4424.       renderDeferred.resolve();
  4425.       console.log('[tyt] pageRendered')
  4426.  
  4427.       scriptletDeferred.debounce(() => {
  4428.         document.dispatchEvent(new CustomEvent('tabview-page-rendered'))
  4429.       })
  4430.  
  4431.     });
  4432.  
  4433.  
  4434.     handleDOMAppear('chatFrameToggleBtnAppended1', (evt) => {
  4435.  
  4436.       _console.log(5099, 'chatFrameToggleBtnAppended', evt)
  4437.  
  4438.       Promise.resolve(0).then(() => { // avoid immediately dom change
  4439.  
  4440.         let tabsDeferredSess = pageSession.session();
  4441.         if (!scriptEnable && tabsDeferred.resolved) { }
  4442.         else tabsDeferred.debounce(() => {
  4443.  
  4444.           if (!tabsDeferredSess.isValid) return;
  4445.           tabsDeferredSess = null;
  4446.  
  4447.           mtf_liveChatBtnF(evt.target);
  4448.  
  4449.         })
  4450.  
  4451.       })
  4452.  
  4453.     });
  4454.  
  4455.  
  4456.     DEBUG_LOG && handleDOMAppear('chatFrameToggleBtnAppended2', (evt) => {
  4457.  
  4458.       _console.log(5099, 'chatFrameToggleBtnAppended', evt)
  4459.  
  4460.  
  4461.     });
  4462.  
  4463.  
  4464.     handleDOMAppear('epDOMAppended', async (evt) => {
  4465.       try {
  4466.         let node = evt.target;
  4467.  
  4468.         let eps = document.querySelectorAll('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])')
  4469.  
  4470.         if (eps && eps.length > 0) {
  4471.  
  4472.           if (eps.length > 1) {
  4473.             let p = 0;
  4474.             for (const ep of eps) {
  4475.               if (ep !== node) {
  4476.                 ytBtnCloseEngagementPanel(ep)
  4477.                 p++
  4478.               }
  4479.             }
  4480.             if (p > 0) {
  4481.               await Promise.resolve(0)
  4482.             }
  4483.           }
  4484.  
  4485.           FP.mtf_attrEngagementPanel(9, node);
  4486.  
  4487.           new Promise(() => {
  4488.  
  4489.             mtoVisibility_EngagementPanel.bindElement(node, {
  4490.               attributes: true,
  4491.               attributeFilter: ['visibility'],
  4492.               attributeOldValue: true
  4493.             })
  4494.  
  4495.             node.removeEventListener('mouseleave', removeFocusOnLeave, false)
  4496.             node.addEventListener('mouseleave', removeFocusOnLeave, false)
  4497.  
  4498.           })
  4499.  
  4500.         }
  4501.  
  4502.  
  4503.       } catch (e) { }
  4504.  
  4505.     })
  4506.  
  4507.     let _tabviewSiderAnimated = false;
  4508.  
  4509.     handleDOMAppear('tabviewSiderAnimation', (evt) => {
  4510.       if (!_tabviewSiderAnimated) {
  4511.         _tabviewSiderAnimated = true;
  4512.         dispatchCommentRowResize();
  4513.       }
  4514.     })
  4515.  
  4516.     handleDOMAppear('tabviewSiderAnimationNone', (evt) => {
  4517.       if (_tabviewSiderAnimated) {
  4518.         _tabviewSiderAnimated = false;
  4519.         dispatchCommentRowResize();
  4520.       }
  4521.     })
  4522.  
  4523.     handleDOMAppear('SearchWhileWatchAutocomplete', (evt) => { // Youtube - Search While Watching Video
  4524.       let elm = evt.target;
  4525.       elm.addEventListener('autocomplete-sc-exist', handlerAutoCompleteExist, false)
  4526.       scriptletDeferred.debounce(() => {
  4527.         elm.dispatchEvent(new CustomEvent('tabview-fix-autocomplete'));
  4528.         elm = null;
  4529.       })
  4530.     })
  4531.  
  4532.     const renderStamperFunc = {
  4533.       'YTD-PLAYLIST-PANEL-RENDERER': (node) => {
  4534.         mtf_append_playlist(node); // the true playlist is appended to the #tab-list
  4535.         checkPlaylistForInitialization();
  4536.       },
  4537.       'YTD-COMMENTS-HEADER-RENDERER': (node) => {
  4538.         comments_loader = comments_loader | 4;
  4539.         getFinalComments();
  4540.       }
  4541.     }
  4542.  
  4543.     globalHook('yt-rendererstamper-finished', (evt) => {
  4544.  
  4545.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4546.       // might occur before initialization
  4547.  
  4548.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4549.  
  4550.       let node = evt.target;
  4551.       const nodeName = node.nodeName.toUpperCase();
  4552.       const func = renderStamperFunc[nodeName];
  4553.  
  4554.       if (typeof func !== 'function') {
  4555.         return;
  4556.       }
  4557.  
  4558.  
  4559.       let tabsDeferredSess = pageSession.session();
  4560.       if (!scriptEnable && tabsDeferred.resolved) { }
  4561.       else tabsDeferred.debounce(() => {
  4562.  
  4563.         if (!tabsDeferredSess.isValid) return;
  4564.         tabsDeferredSess = null;
  4565.  
  4566.         func(node);
  4567.         node = null;
  4568.  
  4569.       });
  4570.  
  4571.  
  4572.     });
  4573.  
  4574.  
  4575.     globalHook('yt-page-data-updated', (evt) => {
  4576.  
  4577.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4578.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4579.  
  4580.       _console.log(evt.target.nodeName, 904, evt.type);
  4581.  
  4582.       advanceFetch();
  4583.  
  4584.       let tabsDeferredSess = pageSession.session();
  4585.       if (!scriptEnable && tabsDeferred.resolved) { }
  4586.       else tabsDeferred.debounce(() => {
  4587.  
  4588.         if (!tabsDeferredSess.isValid) return;
  4589.         tabsDeferredSess = null;
  4590.  
  4591.         if (!scriptEnable) return;
  4592.  
  4593.         if (renderDeferred.resolved && Q.comments_section_loaded === 0 && fetchCounts.new && !fetchCounts.fetched) {
  4594.           fetchCounts.new.f();
  4595.           fetchCounts.fetched = true;
  4596.  
  4597.           fetchCommentsFinished();
  4598.           _console.log(9972, 'fetched = true')
  4599.         }
  4600.  
  4601.  
  4602.         // if the page is navigated by history back-and-forth, not all engagement panels can be catched in rendering event.
  4603.  
  4604.  
  4605.  
  4606.         _console.log(2178, 3)
  4607.         pageCheck();
  4608.         setupChatFrameDOM(null);
  4609.  
  4610.         let expander = document.querySelector('#meta-contents ytd-expander:not([tabview-info-expander])');
  4611.         if (expander) {
  4612.  
  4613.           // once per $$native-info-description$$ {#meta-contents ytd-expander} detection
  4614.           // append the detailed meta contents to the tab-info
  4615.  
  4616.           expander.setAttribute('tabview-info-expander', '');
  4617.           let tabInfo = document.querySelector("#tab-info");
  4618.           if (tabInfo) {
  4619.             tabInfo.appendChild(expander);
  4620.           }
  4621.  
  4622.         }
  4623.  
  4624.  
  4625.         if (REMOVE_DUPLICATE_INFO) {
  4626.  
  4627.  
  4628.           checkDuplicateRes = null;
  4629.           async function alCheckFn(ks) {
  4630.  
  4631.             let alCheckCount = 4;
  4632.             let alCheckInterval = 270;
  4633.  
  4634.             checkDuplicateRes = null;
  4635.             let descExpandState = null;
  4636.             let descMetaExpander = document.querySelector('ytd-watch-metadata[modern-metapanel][clickable-description]');
  4637.             let descToggleBtn = null;
  4638.             let descMetaLines = null;
  4639.             if (descMetaExpander) {
  4640.  
  4641.               // ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata
  4642.               descMetaLines = querySelectorFromAnchor.call(descMetaExpander, 'ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata')
  4643.               if (descMetaLines) {
  4644.  
  4645.                 descToggleBtn = querySelectorFromAnchor.call(descMetaLines, 'tp-yt-paper-button#collapse[role="button"]:not([hidden]), tp-yt-paper-button#expand[role="button"]:not([hidden])');
  4646.                 if (descToggleBtn) {
  4647.                   if (descMetaExpander.hasAttribute('description-collapsed') && descToggleBtn.id === 'expand') {
  4648.                     descExpandState = false;
  4649.                   } else if (!descMetaExpander.hasAttribute('description-collapsed') && descToggleBtn.id === 'collapse') {
  4650.                     descExpandState = true;
  4651.                   }
  4652.                 }
  4653.               }
  4654.  
  4655.             }
  4656.             if (descMetaExpander) {
  4657.               descMetaExpander.classList.add('tyt-tmp-hide-metainfo');
  4658.             }
  4659.  
  4660.             try{
  4661.  
  4662.                 
  4663.               let req = {
  4664.                 descExpandState,
  4665.                 descMetaExpander,
  4666.                 descToggleBtn,
  4667.                 descMetaLines
  4668.               }
  4669.  
  4670.               do {
  4671.  
  4672.                 if (renderIdentifier !== ks) break;
  4673.                 if (alCheckCount === 0) break;
  4674.                 if (checkDuplicateRes === true) break;
  4675.                 checkDuplicateRes = null;
  4676.  
  4677.                 let res = await checkDuplicatedInfo(req); //async
  4678.                 if (res === 5) {
  4679.  
  4680.                   const ytdFlexyElm = es.ytdFlexy;
  4681.                   if (ytdFlexyElm) {
  4682.                     if (checkDuplicateRes === true || (checkDuplicateRes === false && alCheckCount === 1)) {
  4683.                       ytdFlexyElm.classList.toggle('tabview-info-duplicated', checkDuplicateRes)
  4684.                       ytdFlexyElm.classList.toggle('tabview-info-duplicated-checked', true)
  4685.                       checkDuplicatedInfo_then(res, checkDuplicateRes);
  4686.                     }
  4687.                   }
  4688.  
  4689.                 }
  4690.                 --alCheckCount;
  4691.  
  4692.                 if (checkDuplicateRes === true) break;
  4693.  
  4694.                 await new Promise(r => setTimeout(r, alCheckInterval));
  4695.  
  4696.               } while (true)
  4697.  
  4698.               await Promise.resolve(0)
  4699.  
  4700.               descToggleBtn = descMetaLines ? querySelectorFromAnchor.call(descMetaLines, 'tp-yt-paper-button#collapse[role="button"]:not([hidden]), tp-yt-paper-button#expand[role="button"]:not([hidden])') : null;
  4701.               if (descToggleBtn) {
  4702.  
  4703.                 let isCollapsed = descMetaExpander.hasAttribute('description-collapsed')
  4704.                 let id = descToggleBtn.id
  4705.                 let b1 = descExpandState === true && isCollapsed && id === 'expand';
  4706.                 let b2 = descExpandState === false && !isCollapsed && id === 'collapse';
  4707.  
  4708.                 if (b1 || b2) {
  4709.                   descToggleBtn.click();
  4710.                 }
  4711.  
  4712.               }
  4713.  
  4714.               
  4715.               req = null;
  4716.  
  4717.  
  4718.             }catch(e){
  4719.  
  4720.               console.warn(e)
  4721.  
  4722.             }
  4723.  
  4724.             if (descMetaExpander) {
  4725.               descMetaExpander.classList.remove('tyt-tmp-hide-metainfo');
  4726.  
  4727.               await Promise.resolve(0)
  4728.  
  4729.               let detailsIntersectioner = querySelectorFromAnchor.call(descMetaExpander, '#info-container.style-scope.ytd-watch-metadata');
  4730.               if (detailsIntersectioner) {
  4731.                 Promise.resolve(detailsIntersectioner).then(detailsIntersectioner => {
  4732.                   let dom = detailsIntersectioner;
  4733.                   if (dom) mtoObservationDetails.bindElement(dom);
  4734.                 })
  4735.               }
  4736.  
  4737.             }
  4738.  
  4739.  
  4740.  
  4741.           }
  4742.           let ks = renderIdentifier;
  4743.           renderDeferred.debounce(() => {
  4744.             if (ks !== renderIdentifier) return
  4745.             alCheckFn(ks);
  4746.  
  4747.           });
  4748.  
  4749.         } else {
  4750.  
  4751.           checkDuplicatedInfo_then(0, null);
  4752.  
  4753.         }
  4754.  
  4755.         let renderId = renderIdentifier
  4756.         renderDeferred.debounce(() => {
  4757.           if (renderId !== renderIdentifier) return
  4758.           domInit_teaserInfo() // YouTube obsoleted feature? 
  4759.  
  4760.  
  4761.           let h1 = document.querySelector('#below h1.ytd-watch-metadata yt-formatted-string')
  4762.           if (h1) {
  4763.  
  4764.  
  4765.             let s = '';
  4766.             if (formatDates && Object.keys(formatDates).length > 0) {
  4767.  
  4768.               function getDurationInfo(bd1, bd2) {
  4769.  
  4770.                 let bdd = bd2 - bd1
  4771.                 let hrs = Math.floor(bdd / 3600000)
  4772.                 bdd = bdd - hrs * 3600000
  4773.                 let mins = Math.round(bdd / 60000)
  4774.                 let seconds = null
  4775.                 if (mins < 10 && hrs === 0) {
  4776.                   mins = Math.floor(bdd / 60000)
  4777.                   bdd = bdd - mins * 60000
  4778.                   seconds = Math.round(bdd / 1000)
  4779.                   if (seconds === 0) seconds = null
  4780.                 }
  4781.  
  4782.                 return { hrs, mins, seconds }
  4783.  
  4784.               }
  4785.  
  4786.               const formatDateResult = formatDateResultEN
  4787.  
  4788.               if (formatDates.broadcastBeginAt && formatDates.isLiveNow === false) {
  4789.  
  4790.                 let bd1 = new KDate(formatDates.broadcastBeginAt)
  4791.                 let bd2 = formatDates.broadcastEndAt ? new KDate(formatDates.broadcastEndAt) : null
  4792.  
  4793.                 let isSameDay = 0
  4794.                 if (bd2 && bd1.toLocaleDateString() === bd2.toLocaleDateString()) {
  4795.                   isSameDay = 1
  4796.  
  4797.                 } else if (bd2 && +bd2 > +bd1 && bd2 - bd1 < 86400000) {
  4798.  
  4799.                   if (bd1.getHours() >= 6 && bd2.getHours() < 6) {
  4800.                     isSameDay = 2
  4801.                   }
  4802.  
  4803.                 }
  4804.  
  4805.                 let durationInfo = getDurationInfo(bd1, bd2)
  4806.                 if (isSameDay > 0) {
  4807.  
  4808.                   bd2.dayBack = (isSameDay === 2)
  4809.  
  4810.                   s = formatDateResult(0x200, { bd1, bd2, isSameDay, durationInfo, formatDates })
  4811.  
  4812.                 } else if (bd2 && isSameDay === 0) {
  4813.  
  4814.                   s = formatDateResult(0x210, { bd1, bd2, isSameDay, durationInfo, formatDates })
  4815.  
  4816.                 }
  4817.  
  4818.  
  4819.               } else if (formatDates.broadcastBeginAt && formatDates.isLiveNow === true) {
  4820.  
  4821.                 let bd1 = new KDate(formatDates.broadcastBeginAt)
  4822.  
  4823.                 s = formatDateResult(0x300, { bd1, formatDates })
  4824.  
  4825.               } else {
  4826.                 if (formatDates.uploadDate) {
  4827.  
  4828.                   if (formatDates.publishDate && formatDates.publishDate !== formatDates.uploadDate) {
  4829.  
  4830.                     s = formatDateResult(0x600, { formatDates })
  4831.                   } else {
  4832.                     s = formatDateResult(0x610, { formatDates })
  4833.  
  4834.                   }
  4835.                 } else if (!formatDates.uploadDate && formatDates.publishDate) {
  4836.  
  4837.                   s = formatDateResult(0x700, { formatDates })
  4838.  
  4839.  
  4840.                 }
  4841.               }
  4842.  
  4843.  
  4844.             }
  4845.  
  4846.             if (s) {
  4847.               h1.setAttribute('data-title-details', s)
  4848.             } else {
  4849.               h1.removeAttribute('data-title-details')
  4850.             }
  4851.  
  4852.           }
  4853.  
  4854.         })
  4855.  
  4856.  
  4857.         checkPlaylistForInitialization();
  4858.  
  4859.         mtf_fix_details().then(() => {
  4860.           // setKeywords();
  4861.           setToggleInfo();
  4862.           renderDeferred.debounce(() => {
  4863.             if (renderId !== renderIdentifier) return
  4864.             setTimeout(() => {
  4865.               //dispatchWindowResize(); //try to omit
  4866.               dispatchWindowResize(); //add once for safe
  4867.               manualResizeT();
  4868.             }, 420)
  4869.           })
  4870.  
  4871.  
  4872.           let secondary = document.querySelector('#columns.ytd-watch-flexy #secondary.ytd-watch-flexy');
  4873.  
  4874.           let columns = secondary ? closestDOM.call(secondary, '#columns.ytd-watch-flexy') : null;
  4875.  
  4876.           setupHoverSlider(secondary, columns)
  4877.  
  4878.           let tabInfo = document.querySelector('#tab-info');
  4879.           addTabExpander(tabInfo);
  4880.  
  4881.           let tabComments = document.querySelector('#tab-comments');
  4882.           addTabExpander(tabComments);
  4883.  
  4884.  
  4885.         });
  4886.  
  4887.  
  4888.       });
  4889.  
  4890.     });
  4891.  
  4892.  
  4893.     globalHook('yt-watch-comments-ready', (evt) => {
  4894.  
  4895.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4896.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4897.  
  4898.       let nodeName = evt.target.nodeName.toUpperCase()
  4899.       advanceFetch();
  4900.  
  4901.       comments_loader = comments_loader | 2;
  4902.  
  4903.       let tabsDeferredSess = pageSession.session();
  4904.       if (!scriptEnable && tabsDeferred.resolved) { }
  4905.       else tabsDeferred.debounce(() => {
  4906.  
  4907.         if (!tabsDeferredSess.isValid) return;
  4908.         tabsDeferredSess = null;
  4909.  
  4910.         if (renderDeferred.resolved && Q.comments_section_loaded === 0 && fetchCounts.new && !fetchCounts.fetched) {
  4911.           fetchCounts.new.f();
  4912.           fetchCounts.fetched = true;
  4913.  
  4914.           fetchCommentsFinished();
  4915.           _console.log(9972, 'fetched = true')
  4916.         }
  4917.  
  4918.         if (nodeName === 'YTD-WATCH-FLEXY') {
  4919.           domInit_comments();
  4920.           if (mtf_forceCheckLiveVideo_disable !== 2) {
  4921.             _console.log(3713, Q.comments_section_loaded, fetchCounts.fetched, 'fetch comments')
  4922.             if (document.querySelector(`ytd-comments#comments`).hasAttribute('hidden')) {
  4923.               // unavailable apart from live chat
  4924.               _disableComments();
  4925.               _console.log(3713, 3, 'comments hidden')
  4926.             } else if (Q.comments_section_loaded === 0) {
  4927.               getFinalComments();
  4928.             }
  4929.           }
  4930.         }
  4931.       });
  4932.  
  4933.     })
  4934.  
  4935.  
  4936.     window.addEventListener("message", (evt) => {
  4937.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4938.       if (evt.origin === location.origin && evt.data.tabview) {
  4939.         let data = evt.data.tabview;
  4940.         if (data.eventType === "yt-page-type-changed") {
  4941.           let detail = data.eventDetail
  4942.           let { newPageType, oldPageType } = detail;
  4943.           if (newPageType && oldPageType) {
  4944.             let bool = false;
  4945.             if (newPageType == 'ytd-watch-flexy') {
  4946.               bool = true;
  4947.               pageType = 'watch';
  4948.             } else if (newPageType == 'ytd-browse') {
  4949.               pageType = 'browse';
  4950.             }
  4951.             document.documentElement.classList.toggle('tabview-normal-player', bool)
  4952.           }
  4953.         }
  4954.       }
  4955.     }, bubblePassive);
  4956.  
  4957.  
  4958.     globalHook('data-changed', (evt) => {
  4959.  
  4960.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4961.  
  4962.       let nodeName = (((evt || 0).target || 0).nodeName || '').toUpperCase()
  4963.  
  4964.       if (nodeName !== 'YTD-THUMBNAIL-OVERLAY-TOGGLE-BUTTON-RENDERER') return;
  4965.  
  4966.       document.dispatchEvent(new CustomEvent("tabview-fix-popup-refit"));
  4967.  
  4968.     })
  4969.  
  4970.  
  4971.     DEBUG_LOG && globalHook('yt-rendererstamper-finished', (evt) => {
  4972.  
  4973.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4974.       // might occur before initialization
  4975.  
  4976.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4977.  
  4978.       const nodeName = evt.target.nodeName.toUpperCase();
  4979.  
  4980.       //  const S_GENERAL_RENDERERS = ['YTD-TOGGLE-BUTTON-RENDERER','YTD-MENU-RENDERER']
  4981.       if (S_GENERAL_RENDERERS.includes(nodeName)) {
  4982.         return;
  4983.       }
  4984.  
  4985.       _console.log(evt.target.nodeName, 904, evt.type, evt.detail);
  4986.  
  4987.     });
  4988.  
  4989.     DEBUG_LOG && globalHook('data-changed', (evt) => {
  4990.  
  4991.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4992.  
  4993.       let nodeName = evt.target.nodeName.toUpperCase()
  4994.       _console.log(nodeName, evt.type)
  4995.  
  4996.       if (nodeName === 'YTD-ITEM-SECTION-RENDERER' || nodeName === 'YTD-COMMENTS') {
  4997.  
  4998.         _console.log(344)
  4999.  
  5000.       }
  5001.  
  5002.     })
  5003.  
  5004.     DEBUG_LOG && globalHook('yt-navigate', (evt) => {
  5005.  
  5006.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5007.       _console.log(evt.target.nodeName, evt.type)
  5008.  
  5009.     })
  5010.  
  5011.     DEBUG_LOG && globalHook('ytd-playlist-lockup-now-playing-active', (evt) => {
  5012.  
  5013.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5014.       _console.log(evt.target.nodeName, evt.type)
  5015.  
  5016.  
  5017.     })
  5018.  
  5019.     DEBUG_LOG && globalHook('yt-service-request-completed', (evt) => {
  5020.  
  5021.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5022.       _console.log(evt.target.nodeName, evt.type)
  5023.  
  5024.  
  5025.     })
  5026.  
  5027.     DEBUG_LOG && globalHook('yt-commerce-action-done', (evt) => {
  5028.  
  5029.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5030.       _console.log(evt.target.nodeName, evt.type)
  5031.  
  5032.  
  5033.     })
  5034.  
  5035.     DEBUG_LOG && globalHook('yt-execute-service-endpoint', (evt) => {
  5036.  
  5037.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5038.       _console.log(evt.target.nodeName, evt.type)
  5039.  
  5040.  
  5041.     })
  5042.  
  5043.  
  5044.     DEBUG_LOG && globalHook('yt-request-panel-mode-change', (evt) => {
  5045.  
  5046.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5047.       _console.log(evt.target.nodeName, evt.type)
  5048.  
  5049.  
  5050.     })
  5051.  
  5052.  
  5053.     DEBUG_LOG && globalHook('yt-visibility-refresh', (evt) => {
  5054.  
  5055.       if (!evt || !evt.target /*|| evt.target.nodeType !== 1*/) return;
  5056.       _console.log(evt.target.nodeName || '', evt.type)
  5057.  
  5058.       const ytdFlexyElm = es.ytdFlexy;
  5059.       _console.log(2784, evt.type, (ytdFlexyElm ? ytdFlexyElm.hasAttribute('hidden') : null), evt.detail)
  5060.  
  5061.       _console.log(evt.detail)
  5062.  
  5063.  
  5064.     })
  5065.  
  5066.     DEBUG_LOG && globalHook('yt-request-panel-mode-change', (evt) => {
  5067.  
  5068.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5069.       _console.log(evt.target.nodeName, evt.type)
  5070.  
  5071.  
  5072.     })
  5073.  
  5074.     DEBUG_LOG && globalHook('app-reset-layout', (evt) => {
  5075.  
  5076.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5077.       _console.log(evt.target.nodeName, evt.type)
  5078.  
  5079.  
  5080.     })
  5081.     DEBUG_LOG && globalHook('yt-guide-close', (evt) => {
  5082.  
  5083.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5084.       _console.log(evt.target.nodeName, evt.type)
  5085.  
  5086.  
  5087.     })
  5088.     DEBUG_LOG && globalHook('yt-page-data-will-change', (evt) => {
  5089.  
  5090.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5091.       _console.log(evt.target.nodeName, evt.type)
  5092.  
  5093.  
  5094.     })
  5095.  
  5096.     DEBUG_LOG && globalHook('yt-retrieve-location', (evt) => {
  5097.  
  5098.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5099.       _console.log(evt.target.nodeName, evt.type)
  5100.  
  5101.  
  5102.     })
  5103.  
  5104.     DEBUG_LOG && globalHook('yt-refit', (evt) => {
  5105.  
  5106.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5107.       _console.log(evt.target.nodeName, evt.type)
  5108.  
  5109.     })
  5110.  
  5111.     DEBUG_LOG && globalHook('addon-attached', (evt) => {
  5112.  
  5113.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5114.       _console.log(evt.target.nodeName, evt.type)
  5115.  
  5116.     })
  5117.  
  5118.     DEBUG_LOG && globalHook('yt-live-chat-context-menu-opened', (evt) => {
  5119.  
  5120.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5121.       _console.log(evt.target.nodeName, evt.type)
  5122.  
  5123.     })
  5124.  
  5125.     DEBUG_LOG && globalHook('yt-live-chat-context-menu-closed', (evt) => {
  5126.  
  5127.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5128.       _console.log(evt.target.nodeName, evt.type)
  5129.  
  5130.     })
  5131.  
  5132.     DEBUG_LOG && globalHook('yt-commentbox-resize', (evt) => {
  5133.  
  5134.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5135.       _console.log(evt.target.nodeName, evt.type)
  5136.     })
  5137.  
  5138.     DEBUG_LOG && globalHook('yt-rich-grid-layout-refreshed', (evt) => {
  5139.  
  5140.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5141.       _console.log(2327, evt.target.nodeName, evt.type)
  5142.     })
  5143.  
  5144.     DEBUG_LOG && globalHook('animationend', (evt) => {
  5145.  
  5146.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5147.       _console.log(evt.target.nodeName, evt.type)
  5148.  
  5149.  
  5150.     })
  5151.  
  5152.     DEBUG_LOG && globalHook('yt-dismissible-item-dismissed', (evt) => {
  5153.  
  5154.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5155.       _console.log(evt.target.nodeName, evt.type)
  5156.  
  5157.  
  5158.     })
  5159.  
  5160.     DEBUG_LOG && globalHook('yt-dismissible-item-undismissed', function (evt) {
  5161.  
  5162.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5163.       _console.log(evt.target.nodeName, evt.type)
  5164.  
  5165.  
  5166.     })
  5167.  
  5168.  
  5169.     DEBUG_LOG && globalHook('yt-load-next-continuation', function (evt) {
  5170.  
  5171.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5172.       _console.log(evt.target.nodeName, evt.type)
  5173.  
  5174.  
  5175.     })
  5176.  
  5177.  
  5178.     DEBUG_LOG && globalHook('yt-load-reload-continuation', function (evt) {
  5179.  
  5180.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5181.       _console.log(evt.target.nodeName, evt.type)
  5182.  
  5183.  
  5184.     })
  5185.  
  5186.     DEBUG_LOG && globalHook('yt-toggle-button', function (evt) {
  5187.  
  5188.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5189.       _console.log(evt.target.nodeName, evt.type)
  5190.  
  5191.  
  5192.     })
  5193.  
  5194.  
  5195.   }
  5196.  
  5197.  
  5198.  
  5199.  
  5200.   function addIframeStyle(cDoc) {
  5201.     if (cDoc.querySelector('#tyt-chatroom-css')) return false;
  5202.     addStyle((iframeCSS() || ''), cDoc.documentElement).id = 'tyt-chatroom-css'
  5203.     return true;
  5204.   }
  5205.  
  5206.   function chatFrameContentDocument() {
  5207.     // non-null if iframe exist && contentDocument && readyState = complete
  5208.     /** @type {HTMLIFrameElement | null} */
  5209.     let iframe = document.querySelector('ytd-live-chat-frame iframe#chatframe');
  5210.     if (!iframe) return null; //iframe must be there
  5211.     /** @type {Document | null} */
  5212.     let cDoc = null;
  5213.     try {
  5214.       cDoc = iframe.contentDocument;
  5215.     } catch (e) { }
  5216.     if (!cDoc) return null;
  5217.     if (cDoc.readyState != 'complete') return null; //we must wait for its completion
  5218.  
  5219.     return cDoc;
  5220.  
  5221.   }
  5222.  
  5223.   function chatFrameElement(/** @type {string} */ cssSelector) {
  5224.     let cDoc = chatFrameContentDocument();
  5225.     if (!cDoc) return null;
  5226.     /** @type {HTMLElement | null} */
  5227.     let elm = null;
  5228.     try {
  5229.       elm = cDoc.querySelector(cssSelector)
  5230.     } catch (e) {
  5231.       console.log('iframe error', e)
  5232.     }
  5233.     return elm;
  5234.   }
  5235.  
  5236.  
  5237.   function forceDisplayChatReplay() {
  5238.     let items = chatFrameElement('yt-live-chat-item-list-renderer #items');
  5239.     if (items && items.childElementCount !== 0) return;
  5240.  
  5241.     let videoElm = document.querySelector('ytd-player#ytd-player video');
  5242.  
  5243.     let ct = videoElm.currentTime;
  5244.     if (ct >= 0 && !videoElm.ended && videoElm.readyState > videoElm.HAVE_CURRENT_DATA) {
  5245.       let chat = document.querySelector('ytd-live-chat-frame#chat');
  5246.       if (chat) {
  5247.         nativeFunc(chat, "postToContentWindow", [{ "yt-player-video-progress": ct }])
  5248.       }
  5249.     }
  5250.  
  5251.   }
  5252.  
  5253.   function checkIframeDblClick() {
  5254.     setTimeout(() => {
  5255.  
  5256.       let Itemslist = chatFrameElement('#contents.yt-live-chat-renderer');
  5257.       if (Itemslist && typeof Itemslist.ondblclick === 'function') iframePointEventsAllow = true;
  5258.  
  5259.       if (iframePointEventsAllow) {
  5260.         chatFrameElement('body').classList.add('tabview-allow-pointer-events');
  5261.       }
  5262.  
  5263.     }, 300)
  5264.   }
  5265.  
  5266.   function addPopupButton(chat) {
  5267.     let showHideBtn = chat.querySelector('div#show-hide-button')
  5268.     if (showHideBtn) {
  5269.  
  5270.       let btn;
  5271.       btn = document.querySelector('tyt-iframe-popup-btn')
  5272.       if (btn) btn.remove();
  5273.  
  5274.       btn = document.createElement('tyt-iframe-popup-btn')
  5275.       showHideBtn.appendChild(btn)
  5276.       // console.log(334,2)
  5277.       btn.dispatchEvent(new CustomEvent('tyt-iframe-popup-btn-setup'))
  5278.     }
  5279.  
  5280.   }
  5281.  
  5282.   function iFrameContentReady(cDoc) {
  5283.  
  5284.     // console.log(702, 1)
  5285.     if (!cDoc) return;
  5286.  
  5287.     // console.log(702, 2)
  5288.     if (addIframeStyle(cDoc) === false) return;
  5289.  
  5290.     // console.log(702, 3)
  5291.     let frc = 0;
  5292.     let cid = 0;
  5293.  
  5294.     let fullReady = () => {
  5295.  
  5296.       // console.log(702, 4)
  5297.       if (!cDoc.documentElement.hasAttribute('style') && ++frc < 900) return;
  5298.       clearInterval(cid);
  5299.  
  5300.       // console.log(702, 5)
  5301.       if (!scriptEnable || !isChatExpand()) return;
  5302.  
  5303.       // console.log(702, 6)
  5304.       let iframe = document.querySelector('body ytd-watch-flexy ytd-live-chat-frame iframe#chatframe');
  5305.  
  5306.       // console.log(702, 7)
  5307.       if (!iframe) return; //prevent iframe is detached from the page
  5308.  
  5309.       // console.log(702, 8)
  5310.       if (cDoc.querySelector('yt-live-chat-renderer #continuations')) {
  5311.  
  5312.         // console.log(702, 9)
  5313.         let chatFrame = document.querySelector('ytd-live-chat-frame#chat');
  5314.         if (chatFrame) {
  5315.           chatFrame.setAttribute('tyt-iframe-loaded', '')
  5316.           // console.log(711, chatFrame)
  5317.  
  5318.  
  5319.           // console.log(702, 10)
  5320.           forceDisplayChatReplay();
  5321.           checkIframeDblClick(); // user request for compatible with https://greasyfork.org/en/scripts/452335
  5322.           iframe.dispatchEvent(new CustomEvent("tabview-chatroom-ready"))
  5323.           // console.log(334,1)
  5324.           addPopupButton(chatFrame)
  5325.  
  5326.         }
  5327.       }
  5328.  
  5329.  
  5330.     }
  5331.     cid = setInterval(fullReady, 10)
  5332.     fullReady();
  5333.  
  5334.  
  5335.   }
  5336.  
  5337.   let iframeLoadHookA_id = 0
  5338.  
  5339.   const iframeLoadHookA = function (evt) {
  5340.  
  5341.  
  5342.     let isIframe = (((evt || 0).target || 0).nodeName === 'IFRAME');
  5343.  
  5344.     if (isIframe && evt.target.matches('body iframe.style-scope.ytd-live-chat-frame#chatframe')) {
  5345.     } else {
  5346.       return;
  5347.     }
  5348.  
  5349.     let iframe = evt.target;
  5350.     let tid = ++iframeLoadHookA_id;
  5351.  
  5352.     // console.log(701, 2)
  5353.     new Promise(resolve => {
  5354.       if (tid !== iframeLoadHookA_id) return
  5355.  
  5356.       // console.log(701, 3)
  5357.       let k = 270
  5358.       let cid = setInterval(() => {
  5359.  
  5360.         if (tid !== iframeLoadHookA_id) return
  5361.  
  5362.         if (!cid) return;
  5363.  
  5364.         if (k-- < 1) {
  5365.           clearInterval(cid);
  5366.           cid = 0;
  5367.           return resolve(false);
  5368.         }
  5369.  
  5370.         let cDoc = iframe.contentDocument;
  5371.         if (!cDoc) return null;
  5372.         if (cDoc.readyState != 'complete') return;
  5373.         if (!cDoc.querySelector('body')) {
  5374.           clearInterval(cid);
  5375.           cid = 0;
  5376.           return resolve(false);
  5377.         }
  5378.  
  5379.         if (!cDoc.querySelector('yt-live-chat-app')) return;
  5380.  
  5381.         clearInterval(cid);
  5382.         cid = 0;
  5383.  
  5384.         if (!document.contains(iframe)) return resolve(false);
  5385.  
  5386.         resolve([cDoc, iframe]);
  5387.  
  5388.         cDoc = null
  5389.  
  5390.         iframe = null
  5391.  
  5392.  
  5393.       }, 17)
  5394.  
  5395.  
  5396.     }).then((res) => {
  5397.  
  5398.  
  5399.       // console.log(701, 4, res)
  5400.       if (tid !== iframeLoadHookA_id) return
  5401.  
  5402.       // console.log(701, 5)
  5403.       if (!res) return;
  5404.  
  5405.       // console.log(701, 6)
  5406.  
  5407.       const [cDoc, iframe] = res
  5408.  
  5409.       iFrameContentReady(cDoc)
  5410.       iframe.dispatchEvent(new CustomEvent('tabview-chatframe-loaded'))
  5411.  
  5412.  
  5413.     })
  5414.  
  5415.  
  5416.  
  5417.   }
  5418.  
  5419.   let videosDeferred = new Deferred();
  5420.  
  5421.   let _navigateLoadDT = 0;
  5422.  
  5423.   function setupTabBtns(){
  5424.  
  5425.     const materialTab = document.querySelector("#material-tabs")
  5426.     if (!materialTab) return;
  5427.  
  5428.     if (tabsUiScript_setclick) return;
  5429.     tabsUiScript_setclick = true;
  5430.  
  5431.     let fontSizeBtnClick = null;
  5432.  
  5433.     materialTab.addEventListener('click', function (evt) {
  5434.  
  5435.       if (!evt.isTrusted) return; // prevent call from background
  5436.       let dom = evt.target;
  5437.       if ((dom || 0).nodeType !== 1) return;
  5438.  
  5439.       const domInteraction = dom.getAttribute('tyt-di');
  5440.       if (domInteraction === 'q9Kjc') {
  5441.         handlerMaterialTabClick.call(dom, evt)
  5442.       } else if (domInteraction === '8rdLQ') {
  5443.         fontSizeBtnClick.call(dom, evt)
  5444.       }
  5445.  
  5446.  
  5447.     }, true)
  5448.  
  5449.     function updateCSS_fontsize(store) {
  5450.  
  5451.       if (!store) return;
  5452.  
  5453.       const ytdFlexyElm = es.ytdFlexy;
  5454.       if (ytdFlexyElm) {
  5455.         if (store['font-size-#tab-info']) ytdFlexyElm.style.setProperty('--ut2257-info', store['font-size-#tab-info'])
  5456.         if (store['font-size-#tab-comments']) ytdFlexyElm.style.setProperty('--ut2257-comments', store['font-size-#tab-comments'])
  5457.         if (store['font-size-#tab-videos']) ytdFlexyElm.style.setProperty('--ut2257-videos', store['font-size-#tab-videos'])
  5458.         if (store['font-size-#tab-list']) ytdFlexyElm.style.setProperty('--ut2257-list', store['font-size-#tab-list'])
  5459.       }
  5460.  
  5461.     }
  5462.  
  5463.     fontSizeBtnClick = function (evt) {
  5464.  
  5465.       evt.preventDefault();
  5466.       evt.stopPropagation();
  5467.       evt.stopImmediatePropagation();
  5468.  
  5469.       /** @type {HTMLElement | null} */
  5470.       let dom = evt.target;
  5471.       if (!dom) return;
  5472.  
  5473.  
  5474.       let value = dom.classList.contains('font-size-plus') ? 1 : dom.classList.contains('font-size-minus') ? -1 : 0;
  5475.  
  5476.       let active_tab_content = closestDOM.call(dom, '[tyt-tab-content]').getAttribute('tyt-tab-content');
  5477.  
  5478.       let store = getStore();
  5479.       let settingKey = `font-size-${active_tab_content}`
  5480.       if (!store[settingKey]) store[settingKey] = 1.0;
  5481.       if (value < 0) store[settingKey] -= 0.05;
  5482.       else if (value > 0) store[settingKey] += 0.05;
  5483.       if (store[settingKey] < 0.1) store[settingKey] = 0.1;
  5484.       else if (store[settingKey] > 10) store[settingKey] = 10.0;
  5485.       setStore(store);
  5486.  
  5487.  
  5488.       store = getStore();
  5489.       updateCSS_fontsize(store);
  5490.  
  5491.     }
  5492.  
  5493.     
  5494.  
  5495.     function getDefaultTabBtnSetting(store){
  5496.       
  5497.       if (!store) return;
  5498.       let myDefaultTab=  store[key_default_tab];
  5499.       if (!myDefaultTab || typeof myDefaultTab !== 'string' || !/^\#[a-zA-Z\_\-\+]+$/.test(myDefaultTab)) return;
  5500.       if (document.querySelector(`.tab-btn[tyt-tab-content="${myDefaultTab}"]`)) settings.defaultTab = myDefaultTab;
  5501.  
  5502.     }
  5503.  
  5504.     let store = getStore();
  5505.     updateCSS_fontsize(store);
  5506.     getDefaultTabBtnSetting(store);
  5507.  
  5508.   }
  5509.  
  5510.   function setMyDefaultTab(myDefaultTab_tmp){
  5511.  
  5512.     let myDefaultTab_final = null
  5513.     if (!myDefaultTab_tmp || typeof myDefaultTab_tmp !== 'string' || !/^\#[a-zA-Z\_\-\+]+$/.test(myDefaultTab_tmp)) return;
  5514.     if (document.querySelector(`.tab-btn[tyt-tab-content="${myDefaultTab_tmp}"]`)) myDefaultTab_final = myDefaultTab_tmp;
  5515.  
  5516.     let store = getStore();
  5517.     if(myDefaultTab_final) {
  5518.       store[key_default_tab] = myDefaultTab_final;
  5519.       settings.defaultTab = myDefaultTab_final;
  5520.     } else {
  5521.       delete store[key_default_tab];
  5522.       settings.defaultTab = SETTING_DEFAULT_TAB_0;
  5523.     }
  5524.     setStore(store);
  5525.  
  5526.   }
  5527.   document.addEventListener('tabview-setMyDefaultTab', function (evt) {
  5528.  
  5529.     let myDefaultTab_tmp = ((evt || 0).detail || 0).myDefaultTab
  5530.  
  5531.     setMyDefaultTab(myDefaultTab_tmp)
  5532.  
  5533.   }, false)
  5534.  
  5535.   async function onNavigationEndAsync(isPageFirstLoaded) {
  5536.  
  5537.     if (pageType !== 'watch') return
  5538.  
  5539.  
  5540.     let tdt = Date.now();
  5541.     _navigateLoadDT = tdt;
  5542.  
  5543.     // avoid blocking the page when youtube is initializing the page
  5544.     const promiseDelay = new Promise(requestAnimationFrame)
  5545.     const promiseVideoRendered = videosDeferred.d()
  5546.     await Promise.all([promiseVideoRendered, promiseDelay])
  5547.  
  5548.     if (_navigateLoadDT !== tdt) return;
  5549.     if (ytEventSequence !== 3) return;
  5550.  
  5551.     const ytdFlexyElm = document.querySelector('ytd-watch-flexy')
  5552.  
  5553.     if (!ytdFlexyElm) {
  5554.       ytdFlexy = null
  5555.       return;
  5556.     }
  5557.  
  5558.     scriptEnable = true;
  5559.  
  5560.     ytdFlexy = mWeakRef(ytdFlexyElm)
  5561.  
  5562.     const related = querySelectorFromAnchor.call(ytdFlexyElm, "#related.ytd-watch-flexy");
  5563.     if (!related) return;
  5564.  
  5565.     // isPageFirstLoaded && console.time("Tabview Youtube Render")
  5566.  
  5567.     if (!document.querySelector("#right-tabs")) {
  5568.       getLang();
  5569.       let docTmp = document.createElement('template');
  5570.       docTmp.innerHTML = getTabsHTML();
  5571.       let newElm = docTmp.content.firstElementChild;
  5572.       if (newElm !== null) {
  5573.         insertBeforeTo(newElm, related);
  5574.         querySelectorFromAnchor.call(newElm, '#material-tabs').addEventListener('mousemove', (evt)=>{
  5575.           evt.preventDefault();
  5576.           evt.stopPropagation();
  5577.           evt.stopImmediatePropagation();
  5578.         }, true);
  5579.         setupTabBtns();
  5580.         console.log('[tyt] #right-tabs inserted')
  5581.       }
  5582.       docTmp.textContent = '';
  5583.       docTmp = null;
  5584.     }
  5585.  
  5586.     if (!ytdFlexyElm.hasAttribute('tyt-tab')) ytdFlexyElm.setAttribute('tyt-tab', '')
  5587.  
  5588.     // append the next videos 
  5589.     // it exists as "related" is already here
  5590.     fixTabs();
  5591.     
  5592.     let switchToDefaultTabNotAllowed = false;
  5593.  
  5594.     if (document.querySelector('ytd-watch-flexy[tyt-chat^="+"]')){
  5595.       switchToDefaultTabNotAllowed = true;
  5596.     } else if (document.querySelector('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])')) {
  5597.       switchToDefaultTabNotAllowed = true;
  5598.     } else if (document.querySelector('ytd-watch-flexy ytd-donation-shelf-renderer.ytd-watch-flexy:not([hidden]):not(:empty)')) {
  5599.       switchToDefaultTabNotAllowed = true;
  5600.     }
  5601.  
  5602.     if (switchToDefaultTabNotAllowed) {
  5603.       switchTabActivity(null);
  5604.     } else {
  5605.       setToActiveTab(); // just switch to the default tab
  5606.     }
  5607.  
  5608.  
  5609.     mtoFlexyAttr.clear(true)
  5610.     mtf_checkFlexy()
  5611.  
  5612.     tabsDeferred.resolve();
  5613.     FP.mtf_attrEngagementPanel(); // check whether no visible panels
  5614.  
  5615.     // isPageFirstLoaded && console.timeEnd("Tabview Youtube Render")
  5616.  
  5617.     // let ks = renderIdentifier;
  5618.     // renderDeferred.debounce(() => {
  5619.     //   if (ks !== renderIdentifier) return
  5620.     //   if (_navigateLoadDT !== tdt) return;
  5621.         
  5622.     //   let donationShelf = document.querySelector('ytd-watch-flexy:not([tyt-donation-shelf]) ytd-donation-shelf-renderer.ytd-watch-flexy:not([hidden]):not(:empty)');
  5623.     //   if (donationShelf) {
  5624.     //     // console.log(334)
  5625.     //     // ignored if event handler for tabview-donation-shelf-set-visibility is not yet hooked.
  5626.     //     setTimeout(()=>{
  5627.     //       if (ks !== renderIdentifier) return
  5628.     //       if (_navigateLoadDT !== tdt) return;
  5629.     //       // console.log(554)
  5630.           
  5631.     //       let donationShelf = document.querySelector('ytd-watch-flexy:not([tyt-donation-shelf]) ytd-donation-shelf-renderer.ytd-watch-flexy:not([hidden]):not(:empty)');
  5632.     //       if(!donationShelf) return;
  5633.     //       document.dispatchEvent(new CustomEvent('tabview-donation-shelf-set-visibility', {
  5634.     //         detail: {
  5635.     //           visibility: true,
  5636.     //           flushDOM: true
  5637.     //         }
  5638.     //       }));
  5639.     //     },450)
  5640.     //   }
  5641.     //   donationShelf = null;
  5642.  
  5643.     // })
  5644.  
  5645.     isPageFirstLoaded && document.documentElement.removeAttribute('tyt-lock')
  5646.  
  5647.   }
  5648.  
  5649.  
  5650.   function fetchCommentsFinished() {
  5651.     const ytdFlexyElm = es.ytdFlexy;
  5652.     if (!scriptEnable || !ytdFlexyElm) return;
  5653.     if (mtf_forceCheckLiveVideo_disable === 2) return;
  5654.     ytdFlexyElm.setAttribute('tyt-comments', 'L');
  5655.     _console.log(2909, 1)
  5656.   }
  5657.  
  5658.   function setCommentSection( /** @type {number} */ value) {
  5659.  
  5660.     Q.comments_section_loaded = value;
  5661.     if (value === 0 && fetchCounts) {
  5662.       fetchCounts.fetched = false; // unknown bug
  5663.     }
  5664.  
  5665.   }
  5666.  
  5667.  
  5668.   function emptyCommentSection() {
  5669.     let tab_btn = document.querySelector('.tab-btn[tyt-tab-content="#tab-comments"]')
  5670.     if (tab_btn) {
  5671.       let span = querySelectorFromAnchor.call(tab_btn, 'span#tyt-cm-count');
  5672.       tab_btn.removeAttribute('loaded-comment')
  5673.       if (span) {
  5674.         span.textContent = '';
  5675.       }
  5676.     }
  5677.     setCommentSection(0);
  5678.     _console.log(7233, 'comments_section_loaded = 0')
  5679.   }
  5680.  
  5681.  
  5682.   function _disableComments() {
  5683.  
  5684.  
  5685.     _console.log(2909, 1)
  5686.     if (!scriptEnable) return;
  5687.     let cssElm = es.ytdFlexy;
  5688.     if (!cssElm) return;
  5689.  
  5690.     _console.log(2909, 2)
  5691.  
  5692.  
  5693.     let comments = document.querySelector('ytd-comments#comments')
  5694.     if (mtf_forceCheckLiveVideo_disable === 2) {
  5695.       // earlier than DOM change
  5696.     } else {
  5697.       if (comments && !comments.hasAttribute('hidden')) return; // visible comments content)
  5698.     }
  5699.  
  5700.     _console.log(2909, 4)
  5701.     if (Q.comments_section_loaded === 2) return; //already disabled
  5702.  
  5703.     setCommentSection(2);
  5704.  
  5705.     _console.log(2909, 5)
  5706.  
  5707.     let tabBtn = document.querySelector('.tab-btn[tyt-tab-content="#tab-comments"]');
  5708.     if (tabBtn) {
  5709.       let span = querySelectorFromAnchor.call(tabBtn, 'span#tyt-cm-count');
  5710.       tabBtn.removeAttribute('loaded-comment')
  5711.       if (!tabBtn.classList.contains('tab-btn-hidden')) {
  5712.         //console.log('hide', comments, comments && comments.hasAttribute('hidden'))
  5713.         hideTabBtn(tabBtn)
  5714.       }
  5715.       if (span) {
  5716.         span.textContent = '';
  5717.       }
  5718.     }
  5719.  
  5720.     cssElm.setAttribute('tyt-comments', 'D');
  5721.  
  5722.     _console.log(2909, 10)
  5723.  
  5724.  
  5725.   }
  5726.  
  5727.  
  5728.   function setKeywords() {
  5729.  
  5730.     return;
  5731.  
  5732.     if (typeof String.prototype.replacei !== 'function') {
  5733.       // reference: https://stackoverflow.com/questions/7313395/case-insensitive-replace-all
  5734.       String.replacei = String.prototype.replacei = function (rep, rby) {
  5735.         var pos = this.toLowerCase().indexOf(rep.toLowerCase());
  5736.         return pos == -1 ? this : this.substring(0, pos) + rby(this.substring(pos, pos + rep.length)) + this.substring(pos + rep.length);
  5737.       };
  5738.     }
  5739.  
  5740.     let data = pageFetchedData;
  5741.     console.log(data)
  5742.  
  5743.  
  5744.     let keywords = ((((data || 0).pageData || 0).playerResponse || 0).videoDetails || 0).keywords;
  5745.     console.log(keywords)
  5746.  
  5747.     if (keywords && keywords.length > 0) {
  5748.  
  5749.  
  5750.       let title = '';
  5751.  
  5752.       try {
  5753.         title = ((((data || 0).pageData || 0).response || 0).contents || 0).twoColumnWatchNextResults.results.results.contents[0].videoPrimaryInfoRenderer.title.runs[0].text;
  5754.         if (typeof title !== 'string') title = '';
  5755.       } catch (e) { }
  5756.  
  5757.       let strText = title;
  5758.  
  5759.       let tabsDeferredSess = pageSession.session();
  5760.       if (!scriptEnable && tabsDeferred.resolved) { }
  5761.       else tabsDeferred.debounce(() => {
  5762.  
  5763.         if (!tabsDeferredSess.isValid) return;
  5764.         tabsDeferredSess = null;
  5765.  
  5766.  
  5767.         let res = [];
  5768.         for (const keyword of keywords) {
  5769.           if (strText.toUpperCase().includes(keyword.toUpperCase())) {
  5770.             res.push(keyword);
  5771.           }
  5772.         }
  5773.         if (res.length > 0) {
  5774.           console.log('tabview video keywords', res)
  5775.           window.postMessage({
  5776.             tabview: {
  5777.               eventType: 0x3700,
  5778.               eventDetail: {
  5779.                 keywords: res
  5780.               }
  5781.             }
  5782.           }, location.origin);
  5783.         }
  5784.  
  5785.  
  5786.  
  5787.         let strElms = document.querySelectorAll('#title.ytd-watch-metadata yt-formatted-string.style-scope.ytd-watch-metadata');
  5788.         //console.log(keywords,strElms)
  5789.         for (const strElm of strElms) {
  5790.           if (strElm.id == 'super-title' || strElm.id == 'original-info') {
  5791.  
  5792.           } else {
  5793.             if (strElm.querySelector('*')) {
  5794.  
  5795.             } else {
  5796.               /** @type{string} */
  5797.               let strText = strElm.textContent;
  5798.               if (strText) {
  5799.  
  5800.                 let res = [];
  5801.                 for (const keyword of keywords) {
  5802.                   if (strText.toUpperCase().includes(keyword.toUpperCase())) {
  5803.                     res.push(keyword);
  5804.                   }
  5805.                 }
  5806.                 if (res.length > 0) {
  5807.                   console.log('tabview video keywords', res)
  5808.  
  5809.                   if (res.length > 1) res.sort((a, b) => { return b.length - a.length });
  5810.                   let usedKeywords = {};
  5811.                   for (const s of res) {
  5812.                     strText = strText.replacei(s, ((s) => {
  5813.                       usedKeywords[s] = true;
  5814.                       return `\n${s}\n`
  5815.                     }))
  5816.                   }
  5817.                   strText = strText.replace(`\n\n+`, '\n')
  5818.                   let retElms = strText.split('\n').map(w => {
  5819.                     let elm = document.createElement('tabview-txt')
  5820.                     if (usedKeywords[w]) elm.classList.add('tabview-title-keyword')
  5821.                     elm.textContent = w;
  5822.                     return elm
  5823.                   })
  5824.  
  5825.                   let p = querySelectorFromAnchor.call(strElm.parentNode, '.tabview-txt');
  5826.  
  5827.                   if (!p) {
  5828.                     p = strElm.cloneNode(false)
  5829.                     p.classList.add('tabview-txt')
  5830.                     strElm.after(p);
  5831.                   } else {
  5832.                     strElm.after(p);
  5833.                   }
  5834.  
  5835.                   requestAnimationFrame(() => {
  5836.  
  5837.                     p.textContent = 'x';
  5838.                     p.firstChild.replaceWith(...retElms);
  5839.                     p.removeAttribute('is-empty')
  5840.                     strElm.setAttribute('is-empty', '')
  5841.  
  5842.                   })
  5843.  
  5844.  
  5845.                 }
  5846.                 break;
  5847.               }
  5848.             }
  5849.           }
  5850.         }
  5851.  
  5852.       })
  5853.  
  5854.     }
  5855.  
  5856.  
  5857.   }
  5858.  
  5859.   function setToggleInfo() {
  5860.  
  5861.     scriptletDeferred.d().then(() => {
  5862.  
  5863.       let elem = document.querySelector('#primary.ytd-watch-flexy #below ytd-watch-metadata #info-container.ytd-watch-metadata:first-child:not([tyt-info-toggler])')
  5864.       if (elem) {
  5865.  
  5866.         elem.setAttribute('tyt-info-toggler', '')
  5867.         elem.dispatchEvent(new CustomEvent('tyt-info-toggler'))
  5868.  
  5869.       }
  5870.  
  5871.     });
  5872.   }
  5873.  
  5874.  
  5875.   function flexyAttr_toggleFlag(mFlag, b, flag) {
  5876.     return b ? (mFlag | flag) : (mFlag & ~flag);
  5877.   }
  5878.  
  5879.   function flexAttr_toLayoutStatus(nls, attributeName) {
  5880.  
  5881.     let attrElm, b, v;
  5882.     switch (attributeName) {
  5883.       case 'theater':
  5884.         b = isTheater();
  5885.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_THEATER);
  5886.         break;
  5887.       case 'tyt-chat':
  5888.         attrElm = es.ytdFlexy;
  5889.         v = attrElm.getAttribute('tyt-chat');
  5890.  
  5891.         if (v !== null && v.charAt(0) === '-') {
  5892.           nls = flexyAttr_toggleFlag(nls, true, LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED);
  5893.         } else {
  5894.           nls = flexyAttr_toggleFlag(nls, v !== null, LAYOUT_CHATROOM);
  5895.           nls = flexyAttr_toggleFlag(nls, false, LAYOUT_CHATROOM_COLLAPSED);
  5896.         }
  5897.  
  5898.         break;
  5899.       case 'is-two-columns_':
  5900.         b = isWideScreenWithTwoColumns();
  5901.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_TWO_COLUMNS);
  5902.         break;
  5903.  
  5904.       case 'tyt-tab':
  5905.         attrElm = es.ytdFlexy;
  5906.         b = isNonEmptyString(attrElm.getAttribute('tyt-tab'));
  5907.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_TAB_EXPANDED);
  5908.         break;
  5909.  
  5910.       case 'fullscreen':
  5911.         attrElm = es.ytdFlexy;
  5912.         b = attrElm.hasAttribute('fullscreen');
  5913.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_FULLSCREEN);
  5914.         break;
  5915.  
  5916.       case 'tyt-ep-visible':
  5917.         attrElm = es.ytdFlexy;
  5918.         v = attrElm.getAttribute('tyt-ep-visible');
  5919.         b = (+v > 0)
  5920.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_ENGAGEMENT_PANEL_EXPANDED);
  5921.         break;
  5922.  
  5923.       case 'tyt-donation-shelf':
  5924.         attrElm = es.ytdFlexy;
  5925.         b = attrElm.hasAttribute('tyt-donation-shelf');
  5926.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_DONATION_SHELF_EXPANDED);
  5927.         break;
  5928.  
  5929.     }
  5930.  
  5931.     return nls;
  5932.  
  5933.  
  5934.   }
  5935.  
  5936.  
  5937.  
  5938.   function ito_details(entries, observer) {
  5939.     if (!detailsTriggerReset) return;
  5940.     if (!entries || entries.length !== 1) return; // unlikely
  5941.     let entry = entries[0];
  5942.     //console.log(entries)
  5943.     if (entry.isIntersecting === true) {
  5944.  
  5945.       if (fT(wls.layoutStatus, LAYOUT_TWO_COLUMNS | LAYOUT_FULLSCREEN, 0) === false) return;
  5946.  
  5947.       let dom = entry.target;
  5948.       if (!dom) return; //unlikely
  5949.  
  5950.       let bool = false;
  5951.       let descClickable = null;
  5952.       
  5953.       if (fT(wls.layoutStatus, 0, LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED | LAYOUT_CHATROOM_EXPANDED | LAYOUT_TAB_EXPANDED) === false) {
  5954.         descClickable = closestDOM.call(dom, '#description.item.style-scope.ytd-watch-metadata')
  5955.         if (descClickable) {
  5956.           detailsTriggerReset = false;
  5957.           bool = true;
  5958.         }
  5959.       }
  5960.  
  5961.       async function runAsync(dom, bool) {
  5962.  
  5963.         if (bool) {
  5964.           let descClickable = closestDOM.call(dom, '#description.item.style-scope.ytd-watch-metadata')
  5965.           if (descClickable) {
  5966.             descClickable.click();
  5967.           }
  5968.         }
  5969.  
  5970.         await new Promise(r => setTimeout(r, 20));
  5971.  
  5972.         let pInner, nw = null;
  5973.         try {
  5974.           let x = closestDOM.call(dom, '#description.item.style-scope.ytd-watch-metadata');
  5975.           let h2 = x.offsetHeight;
  5976.           pInner = closestDOM.call(x, '#primary-inner')
  5977.           let h1 = pInner.offsetHeight;
  5978.           x.setAttribute('userscript-scrollbar-render', '')
  5979.           if (h1 > h2 && h2 > 0 && h1 > 0) nw = h1 - h2
  5980.         } catch (e) { }
  5981.         if(pInner){
  5982.           pInner.style.setProperty('--tyt-desc-top-h', `${nw ? nw : 0}px`)
  5983.         }
  5984.       }
  5985.  
  5986.       runAsync(dom, bool);
  5987.  
  5988.  
  5989.     }
  5990.  
  5991.   }
  5992.  
  5993.   function immediateCheck() {
  5994.  
  5995.  
  5996.     if (!scriptEnable) return;
  5997.  
  5998.     if(fT(wls.layoutStatus, LAYOUT_TWO_COLUMNS, LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED | LAYOUT_THEATER | LAYOUT_FULLSCREEN | LAYOUT_CHATROOM_EXPANDED)){
  5999.       setToActiveTab();
  6000.     }
  6001.  
  6002.   }
  6003.  
  6004.  
  6005.   const mtf_attrFlexy = (mutations, observer) => {
  6006.  
  6007.     //attr mutation checker - $$ytdFlexyElm$$ {ytd-watch-flexy} \single
  6008.     //::attr    
  6009.     // ~ 'tyt-chat', 'theater', 'is-two-columns_', 
  6010.     // ~ 'tyt-tab', 'fullscreen', 'tyt-ep-visible', 
  6011.     // ~ 'hidden', 'is-extra-wide-video_'
  6012.  
  6013.     //console.log(15330, scriptEnable, es.ytdFlexy, mutations)
  6014.  
  6015.     if (!scriptEnable) return;
  6016.  
  6017.     const cssElm = es.ytdFlexy;
  6018.     if (!cssElm) return;
  6019.  
  6020.     if (!mutations) return;
  6021.  
  6022.     const old_layoutStatus = wls.layoutStatus
  6023.     if (old_layoutStatus === 0) return;
  6024.     let new_layoutStatus = old_layoutStatus;
  6025.  
  6026.     let checkedChat = false;
  6027.     let mss = 0;
  6028.     let dcall = 0;
  6029.  
  6030.     for (const mutation of mutations) {
  6031.       new_layoutStatus = flexAttr_toLayoutStatus(new_layoutStatus, mutation.attributeName);
  6032.       _console.log(8221, 18, mutation.attributeName)
  6033.       if (mutation.attributeName === 'tyt-chat') {
  6034.  
  6035.         if (!checkedChat) {
  6036.           checkedChat = true; // avoid double call
  6037.  
  6038.           if ((cssElm.getAttribute('tyt-chat') || '').indexOf('chat$live') >= 0) {
  6039.             // assigned new attribute - "chat$live" => disable comments section
  6040.  
  6041.             //console.log(3712,2)
  6042.             _disableComments();
  6043.           }
  6044.  
  6045.           if (!cssElm.hasAttribute('tyt-chat')) {
  6046.             // might or might not collapsed before
  6047.             dcall |= 1;
  6048.           }
  6049.         }
  6050.  
  6051.       } else if (mutation.attributeName === 'tyt-ep-visible') {
  6052.         // assume any other active component such as tab content and chatroom
  6053.  
  6054.         if (+(cssElm.getAttribute('tyt-ep-visible') || 0) === 0 && +mutation.oldValue > 0) {
  6055.           dcall |= 2;
  6056.         }
  6057.  
  6058.         if (mss === 0) mss = 1;
  6059.         else mss = -1;
  6060.  
  6061.       } else if (mutation.attributeName === 'tyt-donation-shelf') {
  6062.         // assume any other active component such as tab content and chatroom
  6063.  
  6064.         // console.log(4545, cssElm.hasAttribute('tyt-donation-shelf'))
  6065.         if (!(cssElm.hasAttribute('tyt-donation-shelf'))) {
  6066.           dcall |= 4;
  6067.         } else {
  6068.           lstTab.lastPanel = '#donation-shelf'
  6069.           switchTabActivity(null);
  6070.           // console.log(55)
  6071.         }
  6072.         if (mss === 0) mss = 2;
  6073.         else mss = -1;
  6074.  
  6075.       } else if (mutation.attributeName === 'is-extra-wide-video_') {
  6076.         setTimeout(() => {
  6077.           updateFloatingSlider();  //required for hover slider // eg video after ads
  6078.         }, 1);
  6079.       }
  6080.     }
  6081.  
  6082.     new_layoutStatus = fixLayoutStatus(new_layoutStatus);
  6083.  
  6084.     if (new_layoutStatus !== old_layoutStatus) {
  6085.  
  6086.       if (fT(new_layoutStatus, LAYOUT_TWO_COLUMNS, LAYOUT_TAB_EXPANDED | LAYOUT_THEATER | LAYOUT_CHATROOM_EXPANDED)) {
  6087.         if (mss === 1) {
  6088.           if (fT(new_layoutStatus, LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED, 0)) {
  6089.             closeDonationShelf();
  6090.           }
  6091.         } else if (mss === 2) {
  6092.           if (fT(new_layoutStatus, LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED, 0)) {
  6093.             ytBtnCloseEngagementPanels();
  6094.           }
  6095.         }
  6096.       }
  6097.       wls.layoutStatus = new_layoutStatus
  6098.  
  6099.     }
  6100.  
  6101.     let timeout240 = new Promise(r => timeline.setTimeout(r, 240));
  6102.     timeout240.then(immediateCheck);
  6103.  
  6104.   }
  6105.  
  6106.  
  6107.   function setupChatFrameDisplayState1(chatBlockR, initialDisplayState) {
  6108.  
  6109.  
  6110.     const ytdFlexyElm = es.ytdFlexy;
  6111.     if (!scriptEnable || !ytdFlexyElm) return;
  6112.  
  6113.     let chatTypeChanged = mtf_chatBlockQ !== chatBlockR;
  6114.  
  6115.     let attr_chatblock = chatBlockR === 1 ? 'chat$live' : chatBlockR === 3 ? 'chat$playback' : false;
  6116.     let attr_chatcollapsed = false;
  6117.  
  6118.  
  6119.     if (attr_chatblock) {
  6120.       let chatFrame = document.querySelector('ytd-live-chat-frame#chat')
  6121.       if (chatFrame) {
  6122.         attr_chatcollapsed = chatFrame.hasAttribute('collapsed');
  6123.         if (!attr_chatcollapsed) {
  6124.  
  6125.           //nativeFunc(p,'setupPlayerProgressRelay')
  6126.           //if(!p.isFrameReady)
  6127.           //nativeFunc(p, "urlChanged")
  6128.           //console.log(12399,1)
  6129.           chatFrame.dispatchEvent(new CustomEvent("tabview-chatroom-newpage")); //possible empty iframe is shown
  6130.  
  6131.         }
  6132.       } else {
  6133.         attr_chatcollapsed = initialDisplayState === 'LIVE_CHAT_DISPLAY_STATE_COLLAPSED' ? true : false;
  6134.       }
  6135.     }
  6136.  
  6137.     if (chatTypeChanged) {
  6138.       mtf_chatBlockQ = chatBlockR
  6139.  
  6140.       _console.log(932, 2, attr_chatblock, attr_chatcollapsed)
  6141.  
  6142.       //LIVE_CHAT_DISPLAY_STATE_COLLAPSED
  6143.       //LIVE_CHAT_DISPLAY_STATE_EXPANDED
  6144.       let v = attr_chatblock
  6145.       if (typeof attr_chatblock == 'string') {
  6146.  
  6147.         if (attr_chatcollapsed === true) v = '-' + attr_chatblock
  6148.         if (attr_chatcollapsed === false) v = '+' + attr_chatblock;
  6149.       }
  6150.       wAttr(ytdFlexyElm, 'tyt-chat', v)
  6151.  
  6152.       _console.log(932, 3, ytdFlexyElm.hasAttribute('tyt-chat'))
  6153.  
  6154.  
  6155.     }
  6156.  
  6157.     return { attr_chatblock, attr_chatcollapsed, chatTypeChanged }
  6158.   }
  6159.  
  6160.   function setupChatFrameDisplayState2() {
  6161.  
  6162.     const ytdFlexyElm = es.ytdFlexy;
  6163.     if (!scriptEnable || !ytdFlexyElm) return null;
  6164.  
  6165.     // this is a backup solution only; should be abandoned
  6166.  
  6167.     let attr_chatblock = null
  6168.     let attr_chatcollapsed = null;
  6169.  
  6170.     const elmChat = document.querySelector('ytd-live-chat-frame#chat')
  6171.     let elmCont = null;
  6172.     if (elmChat) {
  6173.       elmCont = chatFrameElement('yt-live-chat-renderer #continuations')
  6174.  
  6175.  
  6176.       let s = 0;
  6177.       if (elmCont) {
  6178.         //not found if it is collapsed.
  6179.         s |= querySelectorFromAnchor.call(elmCont, 'yt-timed-continuation') ? 1 : 0;
  6180.         s |= querySelectorFromAnchor.call(elmCont, 'yt-live-chat-replay-continuation, yt-player-seek-continuation') ? 2 : 0;
  6181.         //s |= elmCont.querySelector('yt-live-chat-restricted-participation-renderer')?4:0;
  6182.         if (s == 1) {
  6183.           attr_chatblock = 'chat$live';
  6184.         } else if (s == 2) attr_chatblock = 'chat$playback';
  6185.  
  6186.         if (s == 1) {
  6187.           let cmCountElm = document.querySelector("span#tyt-cm-count")
  6188.           if (cmCountElm) cmCountElm.textContent = '';
  6189.         }
  6190.  
  6191.       } else if (!ytdFlexyElm.hasAttribute('tyt-chat')) {
  6192.         // live chat frame but type not known
  6193.  
  6194.         attr_chatblock = '';
  6195.  
  6196.       }
  6197.       //keep unknown as original    
  6198.  
  6199.  
  6200.       let isCollapsed = !!elmChat.hasAttribute('collapsed');
  6201.       attr_chatcollapsed = isCollapsed;
  6202.  
  6203.     } else {
  6204.       attr_chatblock = false;
  6205.       attr_chatcollapsed = false;
  6206.  
  6207.     }
  6208.  
  6209.     return { attr_chatblock, attr_chatcollapsed }
  6210.  
  6211.   }
  6212.  
  6213.  
  6214.   const mtf_checkFlexy = () => {
  6215.     // once per $$native-ytd-watch-flexy$$ {ytd-watch-flexy} detection
  6216.  
  6217.     const ytdFlexyElm = es.ytdFlexy;
  6218.     if (!scriptEnable || !ytdFlexyElm) return true;
  6219.  
  6220.  
  6221.     wls.layoutStatus = 0;
  6222.  
  6223.     let isFlexyHidden = (ytdFlexyElm.hasAttribute('hidden'));
  6224.  
  6225.     if (!isFlexyHidden) {
  6226.       let rChatExist = setupChatFrameDisplayState2();
  6227.       if (rChatExist) {
  6228.         let { attr_chatblock, attr_chatcollapsed } = rChatExist;
  6229.         if (attr_chatblock === null) {
  6230.           //remove attribute if it is unknown
  6231.           attr_chatblock = false;
  6232.           attr_chatcollapsed = false;
  6233.         }
  6234.         let v = attr_chatblock;
  6235.         if (typeof v === 'string') {
  6236.           if (attr_chatcollapsed === true) v = '-' + v;
  6237.           if (attr_chatcollapsed === false) v = '+' + v;
  6238.         }
  6239.         wAttr(ytdFlexyElm, 'tyt-chat', v)
  6240.  
  6241.       }
  6242.     }
  6243.  
  6244.     let rTabSelection = [...querySelectorAllFromAnchor.call(ytdFlexyElm, '.tab-btn[tyt-tab-content]')]
  6245.       .map(elm => ({ elm, hidden: elm.classList.contains('tab-btn-hidden') }));
  6246.  
  6247.     if (rTabSelection.length === 0) {
  6248.       wAttr(ytdFlexyElm, 'tyt-tab', false);
  6249.     } else {
  6250.       rTabSelection = rTabSelection.filter(entry => entry.hidden !== true); // all available tabs
  6251.       if (rTabSelection.length === 0) wAttr(ytdFlexyElm, 'tyt-tab', '');
  6252.     }
  6253.     rTabSelection = null;
  6254.  
  6255.     let rEP = engagement_panels_();
  6256.     if (rEP && rEP.list.length > 0) {
  6257.       wAttr(ytdFlexyElm, 'tyt-ep-visible', `${rEP.value}`);
  6258.     } else {
  6259.       wAttr(ytdFlexyElm, 'tyt-ep-visible', false);
  6260.     }
  6261.  
  6262.     let ls = LAYOUT_VAILD;
  6263.     ls = flexAttr_toLayoutStatus(ls, 'theater')
  6264.     ls = flexAttr_toLayoutStatus(ls, 'tyt-chat')
  6265.     ls = flexAttr_toLayoutStatus(ls, 'is-two-columns_')
  6266.     ls = flexAttr_toLayoutStatus(ls, 'tyt-tab')
  6267.     ls = flexAttr_toLayoutStatus(ls, 'fullscreen')
  6268.     ls = flexAttr_toLayoutStatus(ls, 'tyt-ep-visible')
  6269.     ls = flexAttr_toLayoutStatus(ls, 'tyt-donation-shelf')
  6270.  
  6271.     fixLayoutStatus(ls)
  6272.  
  6273.     wls.layoutStatus = ls
  6274.  
  6275.     mtoFlexyAttr.bindElement(ytdFlexyElm, {
  6276.       attributes: true,
  6277.       attributeFilter: ['tyt-chat', 'theater', 'is-two-columns_', 'tyt-tab', 'fullscreen', 'tyt-ep-visible', 'tyt-donation-shelf', 'hidden', 'is-extra-wide-video_'],
  6278.       attributeOldValue: true
  6279.     })
  6280.  
  6281.     let columns = document.querySelector('ytd-page-manager#page-manager #columns.ytd-watch-flexy')
  6282.     if (columns) {
  6283.       wAttr(columns, 'userscript-scrollbar-render', true);
  6284.     }
  6285.  
  6286.     immediateCheck()
  6287.  
  6288.     return false;
  6289.   }
  6290.  
  6291.   document.addEventListener('tabview-fix-layout',()=>{
  6292.     
  6293.     immediateCheck()
  6294.  
  6295.   },false)
  6296.  
  6297.  
  6298.   function switchTabActivity(activeLink) {
  6299.  
  6300.     // console.log(445,activeLink)
  6301.     if(activeLink){
  6302.       debugger;
  6303.     }
  6304.  
  6305.     //console.log(4545, activeLink)
  6306.     if (!scriptEnable) return;
  6307.  
  6308.     const ytdFlexyElm = es.ytdFlexy;
  6309.  
  6310.     if (!ytdFlexyElm) return;
  6311.  
  6312.     if (activeLink && activeLink.classList.contains('tab-btn-hidden')) return; // not allow to switch to hide tab
  6313.  
  6314.     //if (isTheater() && isWideScreenWithTwoColumns()) activeLink = null;
  6315.  
  6316.  
  6317.     function runAtEnd() {
  6318.  
  6319.       if (activeLink) {
  6320.         lstTab.lastTab = activeLink.getAttribute('tyt-tab-content')
  6321.         lstTab.lastPanel = null;
  6322.  
  6323.         if (!document.querySelector(`${lstTab.lastTab}.tab-content-cld tabview-view-tab-expander`)) {
  6324.  
  6325.           let secondary = document.querySelector('#secondary.ytd-watch-flexy');
  6326.           if (secondary) {
  6327.             secondary.dispatchEvent(new CustomEvent('tabview-hover-slider-restore'))
  6328.             //console.log(1995)
  6329.           }
  6330.  
  6331.  
  6332.         }
  6333.       }
  6334.  
  6335.       ytdFlexyElm.setAttribute('tyt-tab', activeLink ? lstTab.lastTab : '')
  6336.  
  6337.     }
  6338.  
  6339.     const links = document.querySelectorAll('#material-tabs a[tyt-tab-content]');
  6340.  
  6341.     //console.log(701, activeLink)
  6342.  
  6343.     for (const link of links) {
  6344.       let content = document.querySelector(link.getAttribute('tyt-tab-content'));
  6345.       if (link && content) {
  6346.         if (link !== activeLink) {
  6347.           link.classList.remove("active");
  6348.           content.classList.add("tab-content-hidden");
  6349.         } else {
  6350.           link.classList.add("active");
  6351.           content.classList.remove("tab-content-hidden");
  6352.  
  6353.         }
  6354.       }
  6355.     }
  6356.  
  6357.     runAtEnd();
  6358.  
  6359.  
  6360.   }
  6361.  
  6362.  
  6363.   function getStore() {
  6364.     let s = localStorage[STORE_key];
  6365.     function resetStore() {
  6366.       let ret = {
  6367.         version: 1,
  6368.       };
  6369.       localStorage[STORE_key] = JSON.stringify(ret);
  6370.       return ret;
  6371.     }
  6372.     if (!s) return resetStore();
  6373.     let obj = null;
  6374.     try {
  6375.       obj = JSON.parse(s);
  6376.     } catch (e) { }
  6377.     return obj && obj.version === STORE_VERSION ? obj : resetStore();
  6378.   }
  6379.  
  6380.   function setStore(obj) {
  6381.     if (!obj || typeof obj !== 'object') return false;
  6382.     if (obj.version !== STORE_VERSION) return false;
  6383.     localStorage[STORE_key] = JSON.stringify(obj);
  6384.     return true;
  6385.   }
  6386.  
  6387.  
  6388.  
  6389.   async function handlerMaterialTabClickInner(tabBtn) {
  6390.  
  6391.     await Promise.resolve(0);
  6392.  
  6393.     const layoutStatusMutexUnlock = await new Promise(resolve => {
  6394.       layoutStatusMutex.lockWith(unlock => {
  6395.         resolve(unlock)
  6396.       })
  6397.     });
  6398.  
  6399.     // locked
  6400.     let unlock = layoutStatusMutexUnlock; // function of unlock inside layoutStatusMutex
  6401.  
  6402.     //console.log(8515)
  6403.     switchTabActivity_lastTab = tabBtn.getAttribute('tyt-tab-content');
  6404.  
  6405.     let isActiveAndVisible = tabBtn.classList.contains('tab-btn') && tabBtn.classList.contains('active') && !tabBtn.classList.contains('tab-btn-hidden')
  6406.  
  6407.     _console.log(8221, 15, isActiveAndVisible)
  6408.  
  6409.     if (isFullScreen()) {
  6410.  
  6411.  
  6412.       const fullScreenTabScrollIntoView = () => {
  6413.         let scrollElement = document.querySelector('ytd-app[scrolling]')
  6414.         if (!scrollElement) return;
  6415.         // single column view; click button; scroll to tab content area 100%
  6416.         let rightTabs = document.querySelector('#right-tabs');
  6417.         let pTop = rightTabs.getBoundingClientRect().top - scrollElement.getBoundingClientRect().top
  6418.         if (rightTabs && pTop > 0 && tabBtn.classList.contains('active')) {
  6419.           rightTabs.scrollIntoView(false);
  6420.         }
  6421.       }
  6422.  
  6423.       _console.log(8221, 16, 1)
  6424.  
  6425.       if (isActiveAndVisible) {
  6426.         timeline.setTimeout(unlock, 80);
  6427.         switchTabActivity(null);
  6428.       } else {
  6429.  
  6430.         if (isChatExpand() && isWideScreenWithTwoColumns()) {
  6431.           ytBtnCollapseChat();
  6432.         } else if (isEngagementPanelExpanded() && isWideScreenWithTwoColumns()) {
  6433.           ytBtnCloseEngagementPanels();
  6434.         } else if (isDonationShelfExpanded() && isWideScreenWithTwoColumns()) {
  6435.           closeDonationShelf();
  6436.         }
  6437.  
  6438.  
  6439.         timeline.setTimeout(fullScreenTabScrollIntoView, 60)
  6440.  
  6441.         timeline.setTimeout(unlock, 80);
  6442.         switchTabActivity(tabBtn)
  6443.       }
  6444.  
  6445.     } else if (isWideScreenWithTwoColumns() && !isTheater() && isActiveAndVisible) {
  6446.  
  6447.       _console.log(8221, 16, 2)
  6448.       //optional
  6449.       timeline.setTimeout(unlock, 80);
  6450.       switchTabActivity(null);
  6451.       ytBtnSetTheater();
  6452.     } else if (isActiveAndVisible) {
  6453.  
  6454.       _console.log(8221, 16, 3)
  6455.       timeline.setTimeout(unlock, 80);
  6456.       switchTabActivity(null);
  6457.     } else {
  6458.  
  6459.       _console.log(8221, 16, 4)
  6460.  
  6461.       if (isChatExpand() && isWideScreenWithTwoColumns()) {
  6462.         ytBtnCollapseChat();
  6463.       } else if (isEngagementPanelExpanded() && isWideScreenWithTwoColumns()) {
  6464.         ytBtnCloseEngagementPanels();
  6465.       } else if (isDonationShelfExpanded() && isWideScreenWithTwoColumns()) {
  6466.         closeDonationShelf();
  6467.       } else if (isWideScreenWithTwoColumns() && isTheater() && !isFullScreen()) {
  6468.         ytBtnCancelTheater(); //ytd-watch-flexy attr [theater]
  6469.       }
  6470.  
  6471.       timeline.setTimeout(() => {
  6472.         // single column view; click button; scroll to tab content area 100%
  6473.         let rightTabs = document.querySelector('#right-tabs');
  6474.         if (!isWideScreenWithTwoColumns() && rightTabs && rightTabs.offsetTop > 0 && tabBtn.classList.contains('active')) {
  6475.           let tabButtonBar = document.querySelector('#material-tabs');
  6476.           let tabButtonBarHeight = tabButtonBar ? tabButtonBar.offsetHeight : 0;
  6477.           window.scrollTo(0, rightTabs.offsetTop - tabButtonBarHeight);
  6478.         }
  6479.       }, 60)
  6480.       // _console.log(8519)
  6481.  
  6482.       timeline.setTimeout(unlock, 80)
  6483.       switchTabActivity(tabBtn)
  6484.  
  6485.     }
  6486.  
  6487.  
  6488.   }
  6489.  
  6490.   function handlerMaterialTabClick(/** @type {MouseEvent} */ evt) {
  6491.  
  6492.     //console.log(8510)
  6493.     const ytdFlexyElm = es.ytdFlexy;
  6494.     if (!scriptEnable || !ytdFlexyElm) return null;
  6495.  
  6496.     let tabBtn = this;
  6497.  
  6498.     if (!tabBtn.hasAttribute('tyt-tab-content')) return;
  6499.  
  6500.     /** @type {HTMLElement | null} */
  6501.     let dom = evt.target;
  6502.     if (!dom) return;
  6503.  
  6504.     if (dom.classList.contains('font-size-btn')) return;
  6505.  
  6506.  
  6507.     evt.preventDefault();
  6508.  
  6509.     handlerMaterialTabClickInner(tabBtn);
  6510.  
  6511.  
  6512.   }
  6513.  
  6514.   function setStickyHeader(targetElm, bool, getWidthHeight, getLeftRight) {
  6515.  
  6516.     //if(isStickyHeaderEnabled===bool) return; // no update
  6517.  
  6518.     if (bool === true) {
  6519.       const { width, height } = getWidthHeight();
  6520.       targetElm.style.setProperty("--tyt-stickybar-w", width + 'px')
  6521.       targetElm.style.setProperty("--tyt-stickybar-h", height + 'px')
  6522.       const res = getLeftRight();
  6523.       if (res) {
  6524.  
  6525.         targetElm.style.setProperty("--tyt-stickybar-l", (res.left) + 'px')
  6526.         targetElm.style.setProperty("--tyt-stickybar-r", (res.right) + 'px')
  6527.  
  6528.       }
  6529.       wAttr(targetElm, 'tyt-stickybar', true);
  6530.       isStickyHeaderEnabled = true;
  6531.  
  6532.     } else if (bool === false) {
  6533.  
  6534.       wAttr(targetElm, 'tyt-stickybar', false);
  6535.       isStickyHeaderEnabled = false;
  6536.     }
  6537.  
  6538.  
  6539.   }
  6540.  
  6541.   const singleColumnScrolling = async function () {
  6542.     //makeHeaderFloat
  6543.     // required for 1) init 2) layout change 3) resizing
  6544.  
  6545.     if (!scriptEnable || pageType !== 'watch') return;
  6546.  
  6547.  
  6548.     let isTwoCol = (wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS;
  6549.     if (isTwoCol) {
  6550.  
  6551.       if (isStickyHeaderEnabled) {
  6552.  
  6553.         let targetElm = document.querySelector("#right-tabs");
  6554.         setStickyHeader(targetElm, false, null, null);
  6555.       }
  6556.       return;
  6557.     }
  6558.  
  6559.     let pageY = scrollY;
  6560.  
  6561.  
  6562.     let tdt = Date.now();
  6563.     singleColumnScrolling_dt = tdt;
  6564.  
  6565.  
  6566.     _console.log(7891, 'scrolling')
  6567.  
  6568.     function getXYStatus(res) {
  6569.  
  6570.       const [navHeight, elmY] = res;
  6571.  
  6572.       let xyz = [elmY + navHeight, pageY, elmY - navHeight]
  6573.  
  6574.       let xyStatus = 0
  6575.       if (xyz[1] < xyz[2] && xyz[2] < xyz[0]) {
  6576.         // 1
  6577.         xyStatus = 1
  6578.       }
  6579.  
  6580.       if (xyz[0] > xyz[1] && xyz[1] > xyz[2]) {
  6581.  
  6582.         //2
  6583.         xyStatus = 2
  6584.  
  6585.       }
  6586.  
  6587.       if (xyz[2] < xyz[0] && xyz[0] < xyz[1]) {
  6588.         // 3
  6589.  
  6590.         xyStatus = 3
  6591.  
  6592.  
  6593.       }
  6594.  
  6595.       return xyStatus;
  6596.     }
  6597.  
  6598.     let [targetElm, header, navElm] = await Promise.all([
  6599.       new Promise(f => f(document.querySelector("#right-tabs"))),
  6600.  
  6601.       new Promise(f => f(document.querySelector("#right-tabs header"))),
  6602.  
  6603.       new Promise(f => f(document.querySelector('#masthead-container, #masthead'))),
  6604.  
  6605.     ]);
  6606.  
  6607.     function emptyForGC() {
  6608.       targetElm = null;
  6609.       header = null;
  6610.       navElm = null;
  6611.     }
  6612.  
  6613.     if (!targetElm || !header) {
  6614.       return emptyForGC();
  6615.     }
  6616.     if (singleColumnScrolling_dt !== tdt) return emptyForGC();
  6617.  
  6618.     let res2 = await Promise.all([
  6619.       new Promise(f => f(navElm ? navElm.offsetHeight : 0)),
  6620.       new Promise(f => f(targetElm.offsetTop))
  6621.     ])
  6622.  
  6623.     if (res2 === null) return emptyForGC();
  6624.  
  6625.     if (singleColumnScrolling_dt !== tdt) return emptyForGC();
  6626.  
  6627.  
  6628.     const xyStatus = getXYStatus(res2);
  6629.  
  6630.  
  6631.     function getLeftRight() {
  6632.  
  6633.       let thp = document.querySelector('tabview-view-pos-thead');
  6634.       if (thp) {
  6635.  
  6636.         let rect = thp.getBoundingClientRect()
  6637.         if (rect) {
  6638.           return {
  6639.             left: rect.left,
  6640.             right: document.documentElement.clientWidth - rect.right
  6641.           };
  6642.         }
  6643.       }
  6644.       return null;
  6645.     }
  6646.  
  6647.     let bool = (xyStatus == 2 || xyStatus == 3) ? true : ((xyStatus == 1) ? false : null);
  6648.  
  6649.     function getWidthHeight() {
  6650.       return { width: targetElm.offsetWidth, height: header.offsetHeight };
  6651.     }
  6652.  
  6653.     setStickyHeader(targetElm, bool, getWidthHeight, getLeftRight);
  6654.  
  6655.  
  6656.     emptyForGC();
  6657.  
  6658.   };
  6659.  
  6660.  
  6661.   const singleColumnScrolling2 = async function (xyStatus, width, xRect) {
  6662.     //makeHeaderFloat
  6663.  
  6664.     if (!scriptEnable || pageType !== 'watch') return;
  6665.  
  6666.  
  6667.     if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  6668.       return;
  6669.     }
  6670.  
  6671.     let [targetElm, header] = await Promise.all([
  6672.       new Promise(f => f(document.querySelector("#right-tabs"))),
  6673.       new Promise(f => f(document.querySelector("#right-tabs header")))
  6674.     ]);
  6675.  
  6676.     function emptyForGC() {
  6677.       targetElm = null;
  6678.       header = null;
  6679.     }
  6680.  
  6681.  
  6682.     if (!targetElm || !header) {
  6683.       return emptyForGC();
  6684.     }
  6685.  
  6686.     function getLeftRight() {
  6687.       return xRect;
  6688.     }
  6689.  
  6690.     let bool = (xyStatus == 2 || xyStatus == 3) ? true : ((xyStatus == 1) ? false : null);
  6691.  
  6692.     function getWidthHeight() {
  6693.       return { width: (width || targetElm.offsetWidth), height: header.offsetHeight };
  6694.     }
  6695.  
  6696.     setStickyHeader(targetElm, bool, getWidthHeight, getLeftRight);
  6697.  
  6698.     emptyForGC();
  6699.  
  6700.   };
  6701.  
  6702.  
  6703.   function resetBuggyLayoutForNewVideoPage() {
  6704.  
  6705.     const ytdFlexyElm = es.ytdFlexy;
  6706.     if (!ytdFlexyElm) return;
  6707.  
  6708.     //(flexy is visible and watch video page) 
  6709.  
  6710.     scriptEnable = true;
  6711.  
  6712.     _console.log(27056)
  6713.  
  6714.     let new_layoutStatus = wls.layoutStatus
  6715.  
  6716.     new_layoutStatus & (LAYOUT_CHATROOM_COLLAPSED | LAYOUT_CHATROOM)
  6717.  
  6718.     const new_isExpandedChat = !(new_layoutStatus & LAYOUT_CHATROOM_COLLAPSED) && !!(new_layoutStatus & LAYOUT_CHATROOM)
  6719.     const new_isCollapsedChat = !!(new_layoutStatus & LAYOUT_CHATROOM_COLLAPSED) && !!(new_layoutStatus & LAYOUT_CHATROOM)
  6720.  
  6721.     const new_isTwoColumns = new_layoutStatus & LAYOUT_TWO_COLUMNS;
  6722.     const new_isTheater = new_layoutStatus & LAYOUT_THEATER;
  6723.     const new_isTabExpanded = new_layoutStatus & LAYOUT_TAB_EXPANDED;
  6724.     const new_isFullScreen = new_layoutStatus & LAYOUT_FULLSCREEN;
  6725.     const new_isExpandedEPanel = new_layoutStatus & LAYOUT_ENGAGEMENT_PANEL_EXPANDED;
  6726.     const new_isExpandedDonationShelf = new_layoutStatus & LAYOUT_DONATION_SHELF_EXPANDED;
  6727.     
  6728.     const nothingShown = !new_isTabExpanded && !new_isExpandedChat && !new_isExpandedEPanel && !new_isExpandedDonationShelf
  6729.  
  6730.     if (ytdFlexyElm.getAttribute('tyt-tab') === '' && new_isTwoColumns && !new_isTheater && nothingShown && !new_isFullScreen) {
  6731.       // e.g. engage panel removed after miniview and change video
  6732.       setToActiveTab();
  6733.     } else if (new_isExpandedEPanel && querySelectorAllFromAnchor.call(ytdFlexyElm, 'ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])').length === 0) {
  6734.       wls.layoutStatus = new_layoutStatus & (~LAYOUT_ENGAGEMENT_PANEL_EXPANDED)
  6735.     } else if (new_isExpandedDonationShelf && querySelectorAllFromAnchor.call(ytdFlexyElm, 'ytd-donation-shelf-renderer.ytd-watch-flexy:not([hidden])').length === 0) {
  6736.       wls.layoutStatus = new_layoutStatus & (~LAYOUT_DONATION_SHELF_EXPANDED)
  6737.     }
  6738.  
  6739.   }
  6740.  
  6741.  
  6742.   function extractInfoFromLiveChatRenderer(liveChatRenderer) {
  6743.  
  6744.     let lcr = liveChatRenderer
  6745.  
  6746.     let data_shb = ((lcr || 0).showHideButton || 0).toggleButtonRenderer
  6747.  
  6748.     let default_display_state = null, txt_collapse = null, txt_expand = null;
  6749.  
  6750.  
  6751.     if (data_shb && data_shb.defaultText && data_shb.toggledText && data_shb.defaultText.runs && data_shb.toggledText.runs) {
  6752.  
  6753.       if (data_shb.defaultText.runs.length === 1 && data_shb.toggledText.runs.length === 1) {
  6754.  
  6755.         if (lcr.initialDisplayState == "LIVE_CHAT_DISPLAY_STATE_EXPANDED") {
  6756.  
  6757.           default_display_state = lcr.initialDisplayState
  6758.  
  6759.           txt_collapse = (data_shb.defaultText.runs[0] || 0).text // COLLAPSE the area
  6760.  
  6761.           txt_expand = (data_shb.toggledText.runs[0] || 0).text // expand the area
  6762.  
  6763.         } else if (lcr.initialDisplayState == "LIVE_CHAT_DISPLAY_STATE_COLLAPSED") {
  6764.           default_display_state = lcr.initialDisplayState
  6765.  
  6766.           txt_expand = (data_shb.defaultText.runs[0] || 0).text // expand the area
  6767.  
  6768.           txt_collapse = (data_shb.toggledText.runs[0] || 0).text // COLLAPSE the area
  6769.         }
  6770.  
  6771.  
  6772.         if (typeof txt_expand == 'string' && typeof txt_collapse == 'string' && txt_expand.length > 0 && txt_collapse.length > 0) {
  6773.  
  6774.         } else {
  6775.           txt_expand = null;
  6776.           txt_collapse = null;
  6777.         }
  6778.       }
  6779.  
  6780.     }
  6781.  
  6782.     return { default_display_state, txt_collapse, txt_expand }
  6783.  
  6784.   }
  6785.  
  6786.  
  6787.   function newVideoPage(evt_detail) {
  6788.  
  6789.     //toggleBtnDC = 1;
  6790.  
  6791.     console.log('[tyt] newVideoPage')
  6792.  
  6793.     const ytdFlexyElm = es.ytdFlexy;
  6794.     if (!ytdFlexyElm) return;
  6795.  
  6796.     timeline.reset();
  6797.     layoutStatusMutex = new Mutex();
  6798.  
  6799.     let liveChatRenderer = null;
  6800.     let isReplay = null;
  6801.  
  6802.     if (pageType !== 'watch') return; // scriptEnable -> pageType shall be always 'watch'
  6803.     resetBuggyLayoutForNewVideoPage();
  6804.  
  6805.     try {
  6806.       liveChatRenderer = evt_detail.pageData.response.contents.twoColumnWatchNextResults.conversationBar.liveChatRenderer
  6807.     } catch (e) { }
  6808.     if (liveChatRenderer) {
  6809.       if (liveChatRenderer.isReplay === true) isReplay = true;
  6810.     }
  6811.  
  6812.     pageFetchedDataVideoId = ((((evt_detail || 0).pageData || 0).playerResponse || 0).videoDetails || 0).videoId || 0;
  6813.  
  6814.  
  6815.     const chatBlockR = liveChatRenderer ? (isReplay ? 3 : 1) : 0
  6816.     const initialDisplayState = liveChatRenderer ? liveChatRenderer.initialDisplayState : null;
  6817.  
  6818.  
  6819.     liveChatRenderer = null; // release memory for GC, just in case
  6820.  
  6821.     let f = () => {
  6822.  
  6823.       _console.log(932, 1, 1)
  6824.       const ytdFlexyElm = es.ytdFlexy;
  6825.       if (!scriptEnable || !ytdFlexyElm) return;
  6826.  
  6827.       _console.log(932, 1, 2)
  6828.       if (pageType !== 'watch') return;
  6829.  
  6830.       _console.log(932, 1, 3)
  6831.  
  6832.  
  6833.       let displayState = setupChatFrameDisplayState1(chatBlockR, initialDisplayState);
  6834.  
  6835.       let { attr_chatblock, attr_chatcollapsed, chatTypeChanged } = displayState;
  6836.  
  6837.  
  6838.       if (pageType === 'watch') { // reset info when hidden
  6839.  
  6840.         let elm_storeLastPanel = es.storeLastPanel;
  6841.  
  6842.         if (!elm_storeLastPanel) storeLastPanel = null;
  6843.         else if (!isDOMVisible(elm_storeLastPanel)) {
  6844.           storeLastPanel = null;
  6845.           ytBtnCloseEngagementPanels();
  6846.         }
  6847.  
  6848.       }
  6849.  
  6850.       if (chatTypeChanged) {
  6851.  
  6852.         if (attr_chatblock == 'chat$live') {
  6853.  
  6854.           _console.log(932, 4)
  6855.  
  6856.           mtf_forceCheckLiveVideo_disable = 2;
  6857.  
  6858.           //console.log(3712,1)
  6859.  
  6860.           _disableComments();
  6861.  
  6862.  
  6863.         } else {
  6864.  
  6865.           const tabBtn = document.querySelector('[tyt-tab-content="#tab-comments"].tab-btn-hidden')
  6866.           if (tabBtn) {
  6867.             emptyCommentSection();
  6868.             _console.log(9360, 74);
  6869.             tabBtn.classList.remove("tab-btn-hidden")
  6870.           } else {
  6871.             setCommentSection(0);
  6872.           }
  6873.  
  6874.           mtf_forceCheckLiveVideo_disable = 0;
  6875.  
  6876.           _console.log(7234, 'comments_section_loaded = 0')
  6877.           restoreFetching();
  6878.  
  6879.  
  6880.         }
  6881.  
  6882.  
  6883.       } else {
  6884.  
  6885.         // restore Fetching only
  6886.  
  6887.         if (mtf_forceCheckLiveVideo_disable !== 2 && (attr_chatblock === false || attr_chatblock === 'chat$playback')) {
  6888.  
  6889.           emptyCommentSection();
  6890.           _console.log(9360, 77);
  6891.           mtf_forceCheckLiveVideo_disable = 0;
  6892.           _console.log(7235, 'comments_section_loaded = 0')
  6893.           restoreFetching();
  6894.  
  6895.         }
  6896.  
  6897.       }
  6898.  
  6899.  
  6900.       if (renderDeferred.resolved && Q.comments_section_loaded === 0 && fetchCounts.new && !fetchCounts.fetched) {
  6901.         fetchCounts.new.f();
  6902.         fetchCounts.fetched = true;
  6903.         _console.log(9972, 'fetched = true')
  6904.  
  6905.         fetchCommentsFinished();
  6906.       }
  6907.  
  6908.     }
  6909.  
  6910.     f();
  6911.  
  6912.   }
  6913.  
  6914.   function setVideosTwoColumns(/** @type {number} */ flag, /** @type {boolean} */ bool) {
  6915.  
  6916.     //two columns to one column
  6917.  
  6918.     /*
  6919.         [placeholder-videos] ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy
  6920.  
  6921.         is-two-columns =""  => no is-two-columns
  6922.         
  6923.         
  6924.         
  6925.         [placeholder-videos] tp-yt-paper-spinner#spinner.style-scope.ytd-continuation-item-renderer
  6926.         
  6927.         no hidden => hidden =""
  6928.         
  6929.         
  6930.         [placeholder-videos] div#button.style-scope.ytd-continuation-item-renderer
  6931.         
  6932.         
  6933.         hidden ="" => no hidden
  6934.         
  6935.  
  6936.         */
  6937.  
  6938.     let cssSelector1 = '[placeholder-videos] ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy'
  6939.  
  6940.     let cssSelector2 = '[placeholder-videos] tp-yt-paper-spinner#spinner.style-scope.ytd-continuation-item-renderer'
  6941.  
  6942.     let cssSelector3 = '[placeholder-videos] div#button.style-scope.ytd-continuation-item-renderer'
  6943.  
  6944.     let res = {}
  6945.     if (flag & 1) {
  6946.       res.m1 = document.querySelector(cssSelector1)
  6947.       if (res.m1) wAttr(res.m1, 'is-two-columns', bool ? '' : false);
  6948.     }
  6949.  
  6950.     if (flag & 2) {
  6951.       res.m2 = document.querySelector(cssSelector2)
  6952.       if (res.m2) wAttr(res.m2, 'hidden', bool ? false : '');
  6953.     }
  6954.  
  6955.     if (flag & 4) {
  6956.       res.m3 = document.querySelector(cssSelector3)
  6957.       if (res.m3) wAttr(res.m3, 'hidden', bool ? '' : false);
  6958.     }
  6959.  
  6960.     return res
  6961.  
  6962.  
  6963.   }
  6964.  
  6965.   
  6966.   // ---------------------------------------------------------------------------------------------
  6967.  
  6968.   // ---- EVENTS ----
  6969.  
  6970.   let ytEventSequence = 0
  6971.   let formatDates = null
  6972.  
  6973.   
  6974.   function pageBeingFetched(evt, isPageFirstLoaded) {
  6975.  
  6976.     let nodeName = (((evt||0).target||0).nodeName||'').toUpperCase()
  6977.     if (nodeName !== 'YTD-APP') return;
  6978.  
  6979.     let pageFetchedDataLocal = evt.detail;
  6980.  
  6981.     let d_page = ((pageFetchedDataLocal||0).pageData||0).page;
  6982.     if (!d_page) return;
  6983.  
  6984.     pageType = d_page;
  6985.  
  6986.     if (pageType !== 'watch') return
  6987.  
  6988.     let promiseChatDetails = null
  6989.  
  6990.     let isFirstLoad = firstLoadStatus & 8;
  6991.  
  6992.     if (isFirstLoad) {
  6993.       firstLoadStatus -= 8;
  6994.       document.addEventListener('load', iframeLoadHookA, capturePassive)
  6995.       ytMicroEventsInit();
  6996.     }
  6997.     // ytMicroEventsInit set
  6998.     variableResets();
  6999.  
  7000.     if (isFirstLoad) {
  7001.  
  7002.       if (ytEventSequence >= 2) {
  7003.         let docElement = document.documentElement
  7004.         if (docElement.hasAttribute('tabview-loaded')) {
  7005.           throw 'Tabview Youtube Duplicated';
  7006.         }
  7007.         docElement.setAttribute('tabview-loaded', '')
  7008.  
  7009.         Promise.resolve(docElement).then(docElement => {
  7010.           if (ytEventSequence >= 2) {
  7011.             docElement.dispatchEvent(new CustomEvent('tabview-ce-hack'))
  7012.             docElement = null
  7013.           }
  7014.         })
  7015.  
  7016.       }
  7017.     }
  7018.     // tabview-loaded delay set
  7019.  
  7020.     formatDates={}
  7021.     try{
  7022.       formatDates.publishDate = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.publishDate
  7023.     }catch(e){}
  7024.     // 2022-12-30
  7025.  
  7026.     try{
  7027.       formatDates.uploadDate = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.uploadDate
  7028.     }catch(e){}
  7029.     // 2022-12-30
  7030.  
  7031.     try{
  7032.       formatDates.publishDate2 = pageFetchedDataLocal.pageData.response.contents.twoColumnWatchNextResults.results.results.contents[0].videoPrimaryInfoRenderer.dateText.simpleText
  7033.     }catch(e){}
  7034.     // 2022/12/31
  7035.  
  7036.     if(typeof formatDates.publishDate2==='string' && formatDates.publishDate2 !== formatDates.publishDate){
  7037.       formatDates.publishDate = formatDates.publishDate2
  7038.       formatDates.uploadDate = null
  7039.     }
  7040.  
  7041.     try{
  7042.       formatDates.broadcastBeginAt = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.liveBroadcastDetails.startTimestamp
  7043.     }catch(e){}
  7044.     try{
  7045.       formatDates.broadcastEndAt = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.liveBroadcastDetails.endTimestamp
  7046.     }catch(e){}
  7047.     try{
  7048.       formatDates.isLiveNow = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.liveBroadcastDetails.isLiveNow
  7049.     }catch(e){}
  7050.  
  7051.     promiseChatDetails = new Promise(resolve => {
  7052.       if (ytEventSequence >= 2) {
  7053.         let liveChatRenderer = null;
  7054.         try {
  7055.           liveChatRenderer = pageFetchedDataLocal.pageData.response.contents.twoColumnWatchNextResults.conversationBar.liveChatRenderer
  7056.         } catch (e) { }
  7057.         chatroomDetails = liveChatRenderer ? extractInfoFromLiveChatRenderer(liveChatRenderer) : null;
  7058.         liveChatRenderer = null; // release memory for GC, just in case
  7059.       }
  7060.       resolve(0)
  7061.     })
  7062.  
  7063.     let ytdFlexyElm = document.querySelector('ytd-watch-flexy')
  7064.  
  7065.     if (!ytdFlexyElm) return;
  7066.  
  7067.  
  7068.     ytdFlexy = mWeakRef(ytdFlexyElm);
  7069.  
  7070.     ytdFlexyElm = null;
  7071.  
  7072.     Promise.resolve(0).then(() => {
  7073.  
  7074.       if (ytEventSequence >= 2 && pageRendered === 0) {
  7075.  
  7076.         const ytdFlexyElm = es.ytdFlexy; // shall be always non-null
  7077.         if (ytdFlexyElm) {
  7078.  
  7079.           let elmPL = document.createElement('tabview-view-ploader');
  7080.           pageRendered = 1;
  7081.           ytdFlexyElm.appendChild(elmPL);
  7082.           // pageRendered keeps at 1 if the video is continuously playing at the background
  7083.           // pageRendered would not be resolve but will reset for each change of video
  7084.  
  7085.         }
  7086.  
  7087.       }
  7088.  
  7089.     })
  7090.  
  7091.     let renderId = renderIdentifier
  7092.     renderDeferred.debounce(() => {
  7093.       if (renderId !== renderIdentifier) return
  7094.       if (ytEventSequence >= 2) {
  7095.         advanceFetch(); // at least one triggering at yt-page-data-fetched
  7096.       }
  7097.     });
  7098.  
  7099.     Promise.race([promiseChatDetails]).then(() => {
  7100.  
  7101.       const ytdFlexyElm = es.ytdFlexy;
  7102.       if (ytEventSequence >= 2 && ytdFlexyElm) {
  7103.         ytdFlexyElm.classList.toggle('tyt-chat-toggleable', !!chatroomDetails);
  7104.       }
  7105.  
  7106.     }).then(() => {
  7107.  
  7108.       if (ytEventSequence >= 2) {
  7109.  
  7110.         let tabsDeferredSess = pageSession.session();
  7111.         if (!scriptEnable && tabsDeferred.resolved) { }
  7112.         else tabsDeferred.debounce(() => {
  7113.  
  7114.           if (!tabsDeferredSess.isValid) return;
  7115.           tabsDeferredSess = null;
  7116.  
  7117.           if (ytEventSequence >= 2 && pageFetchedDataLocal !== null) {
  7118.             domInit_comments();
  7119.             newVideoPage(pageFetchedDataLocal);
  7120.             pageFetchedDataLocal = null;
  7121.           }
  7122.  
  7123.         });
  7124.  
  7125.       }
  7126.  
  7127.     })
  7128.  
  7129.   }
  7130.  
  7131.   let pageSeqMutex = new Mutex()
  7132.  
  7133.   function pageSeq1(evt) {
  7134.     _navigateLoadDT = 0
  7135.     if (ytEventSequence !== 1) {
  7136.       ytEventSequence = 1
  7137.       pageSeqMutex.lockWith(unlock=>{
  7138.         pageBeingInit();
  7139.         unlock();
  7140.       })
  7141.     }
  7142.   }
  7143.  
  7144.   function pageSeq2(evt) {
  7145.     _navigateLoadDT = 0
  7146.  
  7147.     if (ytEventSequence !== 1) {
  7148.       ytEventSequence = 1
  7149.       pageSeqMutex.lockWith(unlock=>{
  7150.         pageBeingInit();
  7151.         unlock();
  7152.       })
  7153.     }
  7154.     if (ytEventSequence === 1) {
  7155.       ytEventSequence = 2
  7156.  
  7157.       
  7158.       pageType = null
  7159.       
  7160.       pageSeqMutex.lockWith(unlock=>{
  7161.         
  7162.         let mIsPageFirstLoaded = _isPageFirstLoaded
  7163.         
  7164.         pageType = null
  7165.         // mIsPageFirstLoaded && console.time("Tabview Youtube Load")
  7166.         pageBeingFetched(evt, mIsPageFirstLoaded)
  7167.         // mIsPageFirstLoaded && console.timeEnd("Tabview Youtube Load")
  7168.         // ytMicroEventsInit set + tabview-loaded delay set
  7169.         new Promise(() => {
  7170.           if (ytEventSequence >= 2) {
  7171.             document.documentElement.classList.toggle('tabview-normal-player', pageType === 'watch');
  7172.           }
  7173.         })
  7174.         if (pageType !== 'watch') {
  7175.           ytdFlexy = null
  7176.           chatroomDetails = null
  7177.           Promise.resolve(0).then(() => {
  7178.             if (ytEventSequence >= 2) {
  7179.               variableResets();
  7180.               emptyCommentSection();
  7181.               _console.log(9360, 75);
  7182.               tabsDeferred.reset();
  7183.               _pageBeingInit();
  7184.               tabsDeferred.resolve(); // for page initialization
  7185.             }
  7186.           })
  7187.         }
  7188.  
  7189.         if (_updateTimeAccum > 0) {
  7190.           let currentVideo = document.querySelector('#movie_player video[src]')
  7191.           let keep_viTime = false
  7192.           if (currentVideo && currentVideo.readyState > currentVideo.HAVE_CURRENT_DATA && currentVideo.currentTime > 2.2) {
  7193.             // allow miniview browsing
  7194.             keep_viTime = true
  7195.           }
  7196.           if (!keep_viTime) {
  7197.             _viTimeNum = 200;
  7198.             _updateTimeAccum = 0;
  7199.             delete document.head.dataset.viTime;
  7200.           }
  7201.         }
  7202.  
  7203.         unlock();
  7204.       })
  7205.     }
  7206.  
  7207.   }
  7208.  
  7209.   function pageSeq3(evt) {
  7210.     _navigateLoadDT = 0
  7211.     
  7212.     if (ytEventSequence === 2) {
  7213.       ytEventSequence = 3
  7214.       
  7215.       pageSeqMutex.lockWith(unlock => {
  7216.         if (pageType === 'watch') {
  7217.           let mIsPageFirstLoaded = _isPageFirstLoaded
  7218.           // ytMicroEventsInit set + tabview-loaded delay set
  7219.           onNavigationEndAsync(mIsPageFirstLoaded)
  7220.           _isPageFirstLoaded = false
  7221.         }
  7222.         
  7223.         
  7224.         unlock();
  7225.       })
  7226.     }
  7227.   }
  7228.  
  7229.  
  7230.   document.addEventListener('yt-navigate-start', pageSeq1, bubblePassive)
  7231.   document.addEventListener('yt-navigate-cache', pageSeq1, bubblePassive)
  7232.   document.addEventListener('yt-navigate-redirect', pageSeq1, bubblePassive)
  7233.   document.addEventListener('yt-page-data-fetched', pageSeq2, bubblePassive)
  7234.   document.addEventListener("yt-navigate-finish", pageSeq3, bubblePassive)
  7235.   //yt-navigate-redirect
  7236.   //yt-page-data-fetched
  7237.   //yt-navigate-error
  7238.   //yt-navigate-start
  7239.   //yt-page-manager-navigate-start
  7240.   //yt-navigate
  7241.   //yt-navigate-cache
  7242.  
  7243.   globalHook('yt-page-data-fetched', generalLog901)
  7244.   //globalHook('yt-rendererstamper-finished',generalLog901)
  7245.   globalHook('yt-page-data-updated', generalLog901)
  7246.   globalHook('yt-player-updated', generalLog901)
  7247.   globalHook('yt-watch-comments-ready', generalLog901)
  7248.   globalHook('yt-page-type-changed', generalLog901)
  7249.   globalHook('data-changed', generalLog901)
  7250.   globalHook('yt-navigate-finish', generalLog901)
  7251.   globalHook('yt-navigate-redirect', generalLog901)
  7252.   globalHook('yt-navigate-error', generalLog901)
  7253.   globalHook('yt-navigate-start', generalLog901)
  7254.   globalHook('yt-page-manager-navigate-start', generalLog901)
  7255.   globalHook('yt-navigate', generalLog901)
  7256.   globalHook('yt-navigate-cache', generalLog901)
  7257.  
  7258.  
  7259.   // ---------------------------------------------------------------------------------------------
  7260.  
  7261.  
  7262.   function manualResizeT(){
  7263.  
  7264.     if (!scriptEnable) return;
  7265.     if (pageType !== 'watch') return;
  7266.     //lastResizeAt = Date.now();
  7267.  
  7268.     if((wls.layoutStatus & LAYOUT_FULLSCREEN) === LAYOUT_FULLSCREEN ){
  7269.  
  7270.     }else if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === 0) {
  7271.       // single col
  7272.  
  7273.       setTimeout3(() => {
  7274.         singleColumnScrolling(true)
  7275.       })
  7276.  
  7277.     } else {
  7278.       // two cols
  7279.  
  7280.       updateFloatingSlider();
  7281.  
  7282.     }
  7283.  
  7284.  
  7285.   }
  7286.   //let lastResizeAt = 0;  
  7287.   let resizeCount = 0;
  7288.   window.addEventListener('resize', function (evt) {
  7289.  
  7290.     if (evt.isTrusted === true) { 
  7291.       //console.log(evt)
  7292.       let tcw = ++resizeCount;
  7293.       Promise.resolve(0).then(()=>{
  7294.         if (tcw !== resizeCount) return;
  7295.         setTimeout(() => {
  7296.           // avoid duplicate calling during resizing
  7297.           if (tcw !== resizeCount) return;
  7298.           
  7299.           resizeCount = 0;
  7300.           manualResizeT();
  7301.           dispatchCommentRowResize();
  7302.         }, 160);
  7303.       });
  7304.     }
  7305.  
  7306.   }, bubblePassive)
  7307.  
  7308.  
  7309.   document.addEventListener("tyt-chat-popup",(evt)=>{
  7310.  
  7311.     let detail = (evt || 0).detail
  7312.     if (!detail) return
  7313.     const { popuped } = detail
  7314.     if (typeof popuped !== 'boolean') return;
  7315.  
  7316.     let ytdFlexyElm = es.ytdFlexy
  7317.     if (!ytdFlexyElm) return
  7318.  
  7319.     ytdFlexyElm.classList.toggle('tyt-chat-popup', popuped)
  7320.     if (popuped === true) {
  7321.       enableLivePopupCheck = true;
  7322.       ytBtnSetTheater()
  7323.     } else {
  7324.       enableLivePopupCheck = false;
  7325.       ytBtnCancelTheater()
  7326.     }
  7327.  
  7328.   })
  7329.  
  7330.   document.addEventListener("tabview-plugin-loaded",()=>{
  7331.  
  7332.     scriptletDeferred.resolve();
  7333.  
  7334.     if(MINIVIEW_BROWSER_ENABLE){
  7335.       document.dispatchEvent(new CustomEvent("tabview-miniview-browser-enable"));
  7336.     }
  7337.  
  7338.   }, false)
  7339.  
  7340.   if (isGMAvailable() && typeof GM_registerMenuCommand === 'function') {
  7341.     GM_registerMenuCommand("Default Tab: NULL", function () {
  7342.       setMyDefaultTab(null);
  7343.     });
  7344.     GM_registerMenuCommand("Default Tab: Info", function () {
  7345.       setMyDefaultTab("#tab-info");
  7346.     });
  7347.     GM_registerMenuCommand("Default Tab: Comments", function () {
  7348.       setMyDefaultTab("#tab-comments");
  7349.     });
  7350.     GM_registerMenuCommand("Default Tab: Video", function () {
  7351.       setMyDefaultTab("#tab-videos");
  7352.     });
  7353.   }
  7354.  
  7355.  
  7356.   document.documentElement.setAttribute('plugin-tabview-youtube', `${scriptVersionForExternal}`)
  7357.   if(document.documentElement.getAttribute('tabview-unwrapjs')){
  7358.     document.dispatchEvent(new CustomEvent("tabview-plugin-loaded"))
  7359.   }
  7360.  
  7361.  
  7362.   // function nestedObjectFlatten(prefix, obj) {
  7363.   //   let ret = {};
  7364.   //   let _prefix = prefix ? `${prefix}.` : '';
  7365.   //   let isObject = (obj && typeof obj == 'object' && obj.constructor.name == 'Object');
  7366.   //   let isArray = (obj && typeof obj == 'object' && obj.constructor.name == 'Array');
  7367.   //   const f = (k, v) => {
  7368.   //     let isObject = (v && typeof v == 'object' && v.constructor.name == 'Object');
  7369.   //     let isArray = (v && typeof v == 'object' && v.constructor.name == 'Array');
  7370.   //     if (isObject || isArray) {
  7371.   //       let r = nestedObjectFlatten(k, v)
  7372.   //       for (const w in r) {
  7373.   //         ret[`${_prefix}${w}`] = r[w];
  7374.   //       }
  7375.   //     } else {
  7376.   //       ret[`${_prefix}${k}`] = v;
  7377.   //     }
  7378.   //   }
  7379.   //   if (isObject) {
  7380.   //     for (const k in obj) {
  7381.   //       let v = obj[k];
  7382.   //       f(k, v);
  7383.   //     }
  7384.   //   } else if (isArray) {
  7385.   //     let idx = 0;
  7386.   //     for (const v of obj) {
  7387.   //       let k = `[${idx}]`;
  7388.   //       f(k, v);
  7389.   //       idx++;
  7390.   //     }
  7391.   //   }
  7392.   //   return ret;
  7393.   // }
  7394.  
  7395.   /*
  7396.  
  7397.   for(const p of document.querySelectorAll('ytd-watch-flexy *')){ let m = p.data; if(!m)continue; console.log(m)}
  7398.  
  7399.   function objec
  7400.  
  7401.   */
  7402.  
  7403.  
  7404.   //Object.keys($0).filter(key=>!(key in $0.constructor.prototype))
  7405.  
  7406.   //Object.getOwnPropertyNames(window).filter(k=>k.startsWith('HTML'))
  7407.   //Object.getOwnPropertyNames(window).filter(k=>k.startsWith('HTML')).filter(k=>$0 instanceof window[k])
  7408.  
  7409.  
  7410.   /* --------------------------- browser's bug in -webkit-box ----------------------------------------- */
  7411.  
  7412.   /*
  7413.    fix bug for comment section - version 1.8.7 
  7414.   This issue is the bug in browser's rendering
  7415.    I guess, this is due to the lines clamp with display:-webkit-box 
  7416.    use stupid coding to let it re-render when its content become visible
  7417.    
  7418.   /*
  7419.  
  7420.   ytd-expander[should-use-number-of-lines][collapsed] > #content.ytd-expander {
  7421.       color: var(--yt-spec-text-primary);
  7422.       display: -webkit-box;
  7423.       overflow: hidden;
  7424.       max-height: none;
  7425.       -webkit-box-orient: vertical;
  7426.       -webkit-line-clamp: var(--ytd-expander-max-lines, 4);
  7427.   }
  7428.  
  7429.   // v1.8.36 imposed a effective solution for fixing this bug
  7430.  
  7431.   */
  7432.  
  7433.   /* --------------------------- browser's bug in -webkit-box ----------------------------------------- */
  7434.  
  7435.  
  7436.   /**
  7437.    * 
  7438.  
  7439.  
  7440. f.initChildrenObserver=function(){var a=this;this.observer=new MutationObserver(function(){return a.childrenChanged()});
  7441. this.observer.observe(this.$.content,{subtree:!0,childList:!0,attributes:!0});this.childrenChanged()};
  7442. f.childrenChanged=function(){var a=this;this.alwaysToggleable?this.canToggle=this.alwaysToggleable:this.canToggleJobId||(this.canToggleJobId=window.requestAnimationFrame(function(){$h(function(){a.canToggleJobId=0;a.calculateCanCollapse()})}))};
  7443.  
  7444.  
  7445. f.onIronResize=function(){this.recomputeOnResize&&this.childrenChanged()};
  7446.  
  7447.  
  7448. onButtonClick_:function(){this.fire("yt-close-upsell-dialog")},
  7449. computeHasHeader_:function(a){return!!a.headerBackgroundImage}});var geb;var heb;var ieb;var jeb;var xI=function(){var a=L.apply(this,arguments)||this;a.alignAuto=!1;a.collapsed=!0;a.isToggled=!1;a.alwaysCollapsed=!1;a.canToggle=!0;a.collapsedHeight=80;a.disableToggle=!1;a.alwaysToggleable=!1;a.reversed=!1;a.shouldUseNumberOfLines=!1;a.recomputeOnResize=!1;a.canToggleJobId=0;return a};
  7450. n(xI,L);f=xI.prototype;f.alwaysToggleableChanged=function(){this.alwaysToggleable&&(this.canToggle=!0)};
  7451.  
  7452.  
  7453. f.calculateCanCollapse=function(){this.canToggle=this.shouldUseNumberOfLines?this.alwaysToggleable||this.$.content.offsetHeight<this.$.content.scrollHeight:this.alwaysToggleable||this.$.content.scrollHeight>this.collapsedHeight};
  7454. f.detachObserver=function(){this.observer&&this.observer.disconnect()};
  7455.  
  7456.    * 
  7457.    * 
  7458.    * 
  7459.    */
  7460.  
  7461.  
  7462. })();
  7463. // console.timeEnd("Tabview Youtube Init Script")
  7464.  
  7465.  
  7466.  
  7467.  
  7468.  
  7469.  
  7470.  
  7471.  
  7472.  
  7473.  
  7474.  
  7475.  
  7476.  
  7477.  
  7478.  
  7479.  
  7480.  
  7481.  
  7482.  
  7483.  
  7484.  
  7485.  
  7486.  
  7487.  
  7488.  
  7489.  
  7490.  
  7491.  
  7492.  
  7493.  
  7494.  
  7495.  
  7496.  
  7497.  
  7498.  
  7499.  
  7500.  
  7501.     // https://github.com/cyfung1031/Tabview-Youtube/raw/main/js/content.js
  7502.  
  7503. }
  7504.  
  7505.  
  7506. ;!(function $$() {
  7507.     'use strict';
  7508.  
  7509.     if(document.documentElement==null) return window.requestAnimationFrame($$)
  7510.  
  7511.     const cssTxt = GM_getResourceText("contentCSS");
  7512.  
  7513.     function addStyle (styleText) {
  7514.       const styleNode = document.createElement('style');
  7515.       styleNode.type = 'text/css';
  7516.       styleNode.textContent = styleText;
  7517.       document.documentElement.appendChild(styleNode);
  7518.       return styleNode;
  7519.     }
  7520.  
  7521.     addStyle (cssTxt);
  7522.  
  7523.     main();
  7524.  
  7525.  
  7526.     // Your code here...
  7527. })();