☰

Tabview Youtube

Make comments and lists into tabs for YouTube Videos

当前为 2022-07-16 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Tabview Youtube
  3. // @name:en      Tabview Youtube
  4. // @name:jp      Tabview Youtube
  5. // @name:zh-tw   Tabview Youtube
  6. // @name:zh-cn   Tabview Youtube
  7. // @namespace    http://tampermonkey.net/
  8. // @version     2.5.2
  9. // @license     MIT https://github.com/cyfung1031/Tabview-Youtube/blob/main/LICENSE
  10. // @description     Make comments and lists into tabs for YouTube Videos
  11. // @description:en  Make comments and lists into tabs for YouTube Videos
  12. // @description:jp  YouTube動画のコメントやリストなどをタブに作成します
  13. // @description:zh-tw  把Youtube Videos中的評論及影片清單製作成Tabs
  14. // @description:zh-cn  把Youtube Videos中的评论及视频列表制作成Tabs
  15. // @author       CY Fung
  16. // @match     https://www.youtube.com/*
  17. // @icon         https://github.com/cyfung1031/Tabview-Youtube/raw/main/images/icon128p.png
  18. // @run-at      document-start
  19. // @grant       GM_getResourceText
  20. // @resource     contentCSS https://raw.githubusercontent.com/cyfung1031/Tabview-Youtube/2a93739cb4387c755b20f1f51829a5f59cc21d74/css/style_content.css
  21. // @resource     injectionJS1 https://raw.githubusercontent.com/cyfung1031/Tabview-Youtube/c2fd907cd32bbf372e89aa2ce1180b50a5b5359d/js/injection_script_1.js
  22. // @resource     injectionFixAutoComplete https://raw.githubusercontent.com/cyfung1031/Tabview-Youtube/c2fd907cd32bbf372e89aa2ce1180b50a5b5359d/js/injectionScript_fixAutoComplete.js
  23. // @require      https://cdnjs.cloudflare.com/ajax/libs/cash/8.1.0/cash.min.js
  24. // @noframes
  25. // ==/UserScript==
  26.  
  27. /* jshint esversion:6 */
  28.  
  29. function main($){
  30.     // MIT License
  31.     // https://github.com/cyfung1031/Tabview-Youtube/raw/main/js/content.js
  32.  
  33.  
  34.  
  35.  
  36.  
  37.  
  38.  
  39.  
  40.  
  41.  
  42.  
  43.  
  44.  
  45.  
  46.  
  47.  
  48.  
  49.  
  50.  
  51. -(function() {
  52.  
  53.   function inIframe() {
  54.     try {
  55.       return window.self !== window.top;
  56.     } catch (e) {
  57.       return true;
  58.     }
  59.   }
  60.  
  61.   if (inIframe()) return;
  62.  
  63.   if (!$) return;
  64.  
  65.   /**
  66.    * SVG resources:
  67.    * <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>
  68.    */
  69.  
  70.   const scriptVersionForExternal = '2022/05/07';
  71.  
  72.   const isMyScriptInChromeRuntime = () => typeof((((window || 0).chrome || 0).runtime || 0).getURL) == 'function'
  73.  
  74.   const svgComments = `<path d="M40.068 13.465l-34.138.07A5.94 5.94 0 0 0 0 19.465v21.141a5.94 5.94 0 0 0 5.93 5.929H12v10a1 
  75.   1 0 0 0 1.74.673l9.704-10.675 16.626-.068A5.94 5.94 0 0 0 46 40.536V19.395a5.94 5.94 0 0 0-5.932-5.93zM10 23.465h13a1 
  76.   1 0 1 1 0 2H10a1 1 0 1 1 0-2zm26 14H10a1 1 0 1 1 0-2h26a1 1 0 1 1 0 2zm0-6H10a1 1 0 1 1 0-2h26a1 1 0 1 1 0 
  77.   2zm18.072-28.93l-34.142-.07A5.94 5.94 0 0 0 14 8.395v3.124l26.064-.054c4.377 0 7.936 3.557 7.936 7.93v21.07.071 
  78.   2.087l3.26 3.586a1 1 0 0 0 1.74-.673v-10h1.07A5.94 5.94 0 0 0 60 29.607V8.465a5.94 5.94 0 0 0-5.928-5.93z"/>`.trim();
  79.  
  80.   const svgVideos = `<path d="M298 33c0-13.255-10.745-24-24-24H24C10.745 9 0 19.745 0 33v232c0 13.255 10.745 24 24 
  81.   24h250c13.255 0 24-10.745 24-24V33zM91 39h43v34H91V39zM61 259H30v-34h31v34zm0-186H30V39h31v34zm73 
  82.   186H91v-34h43v34zm-11-82.292v-55.417c0-8.25 5.868-11.302 12.77-6.783l40.237 26.272c6.902 4.519 6.958 11.914.056 
  83.   16.434l-40.321 26.277c-6.902 4.52-12.742 1.467-12.742-6.783zM207 259h-43v-34h43v34zm0-186h-43V39h43v34zm61 
  84.   186h-31v-34h31v34zm0-186h-31V39h31v34z"/>`.trim();
  85.  
  86.   const svgInfo = `<path d="M11.812 0C5.289 0 0 5.289 0 11.812s5.289 11.813 11.812 11.813 11.813-5.29 11.813-11.813S18.335 
  87.   0 11.812 0zm2.459 18.307c-.608.24-1.092.422-1.455.548s-.783.189-1.262.189c-.736 
  88.   0-1.309-.18-1.717-.539s-.611-.814-.611-1.367c0-.215.015-.435.045-.659a8.23 8.23 0 0 1 
  89.   .147-.759l.761-2.688c.067-.258.125-.503.171-.731a3.24 3.24 0 0 0 
  90.   .068-.633c0-.342-.071-.582-.212-.717s-.412-.201-.813-.201c-.196 
  91.   0-.398.029-.605.09s-.383.12-.529.176l.201-.828c.498-.203.975-.377 1.43-.521s.885-.218 1.29-.218c.731 0 1.295.178 
  92.   1.692.53s.594.812.594 1.376c0 .117-.014.323-.041.617a4.13 4.13 0 0 1-.152.811l-.757 
  93.   2.68c-.062.215-.117.461-.167.736s-.073.485-.073.626c0 .356.079.599.239.728s.435.194.827.194a2.4 2.4 0 0 0 .626-.097 
  94.   3.56 3.56 0 0 0 .506-.17l-.203.827zm-.134-10.878c-.353.328-.778.492-1.275.492s-.924-.164-1.28-.492a1.57 1.57 0 
  95.   0 1-.533-1.193c0-.465.18-.865.533-1.196a1.81 1.81 0 0 1 1.28-.497 1.79 1.79 0 0 1 1.275.497c.353.331.53.731.53 
  96.   1.196s-.177.865-.53 1.193z"/>`.trim();
  97.  
  98.   const svgPlayList = `<path d="M0 64h256v42.667H0zm0 85.333h256V192H0zm0 85.334h170.667v42.667H0zm341.333 
  99.   0v-85.334h-42.666v85.334h-85.334v42.666h85.334v85.334h42.666v-85.334h85.334v-42.666z"/>`.trim();
  100.  
  101.   // --- Youtube Video Testing : 
  102.   // Square Video: https://www.youtube.com/watch?v=L0RXVnRbFg8 
  103.   // Square Video: https://www.youtube.com/watch?v=bK_rKhMIotU
  104.   // ---
  105.  
  106.  
  107.   const LAYOUT_TWO_COLUMNS = 1;
  108.   const LAYOUT_THEATER = 2;
  109.   const LAYOUT_FULLSCREEN = 4;
  110.   const LAYOUT_CHATROOM = 8;
  111.   const LAYOUT_CHATROOM_COLLASPED = 16;
  112.   const LAYOUT_TAB_EXPANDED = 32;
  113.   const LAYOUT_ENGAGEMENT_PANEL_EXPAND = 64;
  114.  
  115.   const mtoInterval1 = 40;
  116.   const mtoInterval2 = 150;
  117.  
  118.   let lastVideoURL = null; // for less attribute set only
  119.  
  120.  
  121.  
  122.   const querySelectorFromAnchor = HTMLElement.prototype.querySelector;  // nodeType==1 // since 2022/07/12
  123.   const querySelectorAllFromAnchor = HTMLElement.prototype.querySelectorAll; // nodeType==1 // since 2022/07/12
  124.   const closestDOM = HTMLElement.prototype.closest;
  125.   const elementRemove = HTMLElement.prototype.remove;
  126.   const elementInsertBefore = HTMLElement.prototype.insertBefore; // since 2022/07/12
  127.   const elementContains = HTMLElement.prototype.contains; // since 2022/07/12
  128.  
  129.  
  130.  
  131.   function scriptInjector(script_id, url_chrome, response_id){
  132.  
  133.     let res={
  134.       script_id: script_id,
  135.       inject: function(){
  136.  
  137.         let res = this, script_id = this.script_id;
  138.  
  139.         if(!document.querySelector(`script#${script_id}`)){
  140.           if (res.runtime_url){
  141.             addScriptByURL(res.runtime_url).id = script_id;
  142.           } else {
  143.             addScript(`${res.injection_script}`).id = script_id;
  144.           }
  145.         }
  146.  
  147.       }
  148.     }
  149.     res.script_id = script_id;
  150.     
  151.     if (isMyScriptInChromeRuntime()){
  152.       res.runtime_url = window.chrome.runtime.getURL(url_chrome)
  153.     } else {
  154.       res.injection_script = GM_getResourceText(response_id);
  155.     }
  156.  
  157.     return res;
  158.  
  159.  
  160.  
  161.   }
  162.  
  163.   const script_inject_facp = scriptInjector(
  164.     'userscript-tabview-injection-facp',
  165.     'js/injectionScript_fixAutoComplete.js',
  166.     "injectionFixAutoComplete");
  167.     
  168.   const script_inject_js1 = scriptInjector(
  169.     'userscript-tabview-injection-1',
  170.     'js/injection_script_1.js',
  171.     "injectionJS1");
  172.     
  173.  
  174.  
  175.  
  176.   
  177.   /** @type {WeakRef | null} */ 
  178.   const WeakRef = window.WeakRef;
  179.   const mWeakRef = WeakRef ? (o => o ? new WeakRef(o) : null) : (o => o || null);
  180.   /** @type {(wr: Object | null) => Object | null} */
  181.   const kRef = (wr => (wr && wr.deref) ? wr.deref() : wr);
  182.  
  183.  
  184.  
  185.   const nonCryptoRandStr_base = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
  186.   function nonCryptoRandStr(/** @type {number} */ n){
  187.     const result = new Array(n);
  188.     const baseStr = nonCryptoRandStr_base;
  189.     const bLen = baseStr.length;
  190.     for ( let i = 0; i < n; i++ ) {
  191.       let t = null
  192.       do {
  193.         t = baseStr.charAt(Math.floor(Math.random() * bLen));
  194.       }while(i===0 && 10-t>0)
  195.       result[i]=t;
  196.    }
  197.    return result.join('');
  198.   }
  199.  
  200. /**
  201.  * Class definition
  202.  * @property {string} propName - propriety description
  203.  * ...
  204.  */
  205.   class ObserverRegister{
  206.     
  207.     constructor(/** @type {()=>MutationObserver | IntersectionObserver} */ observerCreator){
  208.       let uid = null;
  209.       const uidStore = ObserverRegister.uidStore;
  210.       do{
  211.         uid = nonCryptoRandStr(5);
  212.       }while(uidStore[uid])
  213.       uidStore[uid] = true;
  214.       
  215.       /**
  216.        * uid is the unique string for each observer
  217.        * @type {string}
  218.        * @public
  219.        */
  220.       this.uid = uid;
  221.       
  222.       /**
  223.        * observerCreator is a function to create the observer
  224.        * @type {Function}
  225.        * @public
  226.        */
  227.       this.observerCreator = observerCreator
  228.       
  229.       /**
  230.        * observer is the actual observer object
  231.        * @type {MutationObserver | IntersectionObserver}
  232.        * @public
  233.        */
  234.       this.observer = null;
  235.     }
  236.     bindElement(/** @type {HTMLElement} */ elm, ...args){
  237.       if(elm.hasAttribute(`o3r-${this.uid}`))return false;
  238.       elm.setAttribute(`o3r-${this.uid}`,'')
  239.       if(this.observer===null){
  240.         this.observer=this.observerCreator();
  241.       }
  242.       this.observer.observe(elm, ...args)
  243.       return true
  244.     }
  245.     clear(/** @type {boolean} */ flag){
  246.       if(this.observer !== null){
  247.         //const uidStore = ObserverRegister.uidStore;
  248.         if(flag === true){
  249.           this.observer.takeRecords();
  250.           this.observer.disconnect();
  251.         }
  252.         this.observer = null;
  253.         for(const s of document.querySelectorAll(`[o3r-${this.uid}]`)) s.removeAttribute(`o3r-${this.uid}`)
  254.         //uidStore[this.uid]=false;
  255.         //this.uid = null;
  256.       }
  257.     }
  258.   }
  259.  
  260.   /**
  261.  * 'uidStore' is the static store of strings used.
  262.  * @static
  263.  */
  264.   ObserverRegister.uidStore = {}; //backward compatible with FireFox 55.
  265.  
  266.   const mtoMutation_watchFlexy = new ObserverRegister(()=>{
  267.     return new MutationObserver(FP.mtoNavF)
  268.   });
  269.   const sa_wflexy = mtoMutation_watchFlexy.uid;
  270.  
  271.   const mtoMutation_body = new ObserverRegister(()=>{
  272.     return new MutationObserver(FP.mtoBodyF)
  273.   });
  274.   const sa_body = mtoMutation_body.uid;
  275.  
  276.   const mtoFlexyAttr = new ObserverRegister(()=>{
  277.     return new MutationObserver(mtf_attrFlexy)
  278.   });
  279.   const sa_flexyAttr = mtoFlexyAttr.uid;
  280.  
  281.   const mtoVisibility_EngagementPanel = new ObserverRegister(()=>{
  282.     return new MutationObserver(FP.mtf_attrEngagementPanel)
  283.   });
  284.   const sa_epanel = mtoVisibility_EngagementPanel.uid;
  285.  
  286.   const mtoVisibility_Playlist = new ObserverRegister(()=>{
  287.     return new AttributeMutationObserver({
  288.       "hidden": FP.mtf_attrPlaylist
  289.     })
  290.   })
  291.   const sa_playlist = mtoVisibility_Playlist.uid;
  292.  
  293.   const mtoVisibility_Comments = new ObserverRegister(()=>{
  294.     return new AttributeMutationObserver({
  295.       "hidden": FP.mtf_attrComments
  296.     })
  297.   })
  298.   const sa_comments = mtoVisibility_Comments.uid;
  299.  
  300.  
  301.   const mtoVisibility_Chatroom = new ObserverRegister(()=>{
  302.     return new AttributeMutationObserver({
  303.       "collapsed": FP.mtf_attrChatroom
  304.     })
  305.   })
  306.   const sa_chatroom = mtoVisibility_Chatroom.uid;
  307.  
  308.  
  309.  
  310.  
  311.  
  312.   function tracer(key, cmp) {
  313.     if (cmp > 0) return tracer[key] === cmp;
  314.     return (tracer[key] = Date.now());
  315.   }
  316.  
  317.   function racer(key, f) {
  318.     let now = Date.now();
  319.     const kTime = `${key}$$1`
  320.     let t = racer[kTime] || 0;
  321.  
  322.     if (now < t) {
  323.       const kCount = `${key}$$2`;
  324.       racer[kCount] = (racer[kCount] || 0) + 1;
  325.       if (racer[kCount] === 1) {
  326.         let g = f;
  327.         requestAnimationFrame(() => {
  328.           racer[kCount] = 0;
  329.           g();
  330.           g = null;
  331.         })
  332.       }
  333.     } else {
  334.       racer[kTime] = now + 16;
  335.       f();
  336.     }
  337.   }
  338.  
  339.   class ScriptEF {
  340.     constructor() {
  341.       this._id = scriptEC;
  342.     }
  343.     isValid() {
  344.       return this._id === scriptEC;
  345.     }
  346.   }
  347.  
  348.   class Timeout {
  349.  
  350.     set(f, d, repeatCount) {
  351.       if (this.cid > 0) return;
  352.       let sEF = new ScriptEF();
  353.       if (repeatCount > 0) {
  354.  
  355.         let rc = repeatCount;
  356.         const g = () => {
  357.           this.cid = 0;
  358.           if (!sEF.isValid()) return;
  359.           let res = f();
  360.           if (--rc <= 0) return;
  361.           if (res === true) this.cid = timeline.setTimeout(g, d);
  362.         }
  363.         g();
  364.  
  365.       } else {
  366.  
  367.         const g = () => {
  368.           this.cid = 0;
  369.           if (!sEF.isValid()) return;
  370.           if (f() === true) this.cid = timeline.setTimeout(g, d);
  371.         }
  372.         this.cid = timeline.setTimeout(g, d);
  373.       }
  374.     }
  375.  
  376.     clear() {
  377.       if (this.cid > 0) timeline.clearTimeout(this.cid);
  378.     }
  379.  
  380.     isEmpty() {
  381.       return !this.cid
  382.     }
  383.  
  384.  
  385.   }
  386.  
  387.   class Mutex {
  388.  
  389.     constructor() {
  390.       this.p = Promise.resolve()
  391.     }
  392.  
  393.     lockWith(f) {
  394.  
  395.       this.p = this.p.then(() => {
  396.         return new Promise(f)
  397.       }).catch(console.warn)
  398.     }
  399.  
  400.   }
  401.  
  402.  
  403.  
  404.   function prettyElm(/** @type {Element} */ elm) {
  405.     if (!elm || !elm.nodeName) return null;
  406.     const eId = elm.id || null;
  407.     const eClsName = elm.className || null;
  408.     return [elm.nodeName.toLowerCase(), typeof eId == 'string' ? "#" + eId : '', typeof eClsName == 'string' ? '.' + eClsName.replace(/\s+/g, '.') : ''].join('').trim();
  409.   }
  410.  
  411.   function extractTextContent(/** @type {Node} */ elm) {
  412.     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, '')
  413.   }
  414.  
  415.   function addScript(/** @type {string} */ scriptText) {
  416.     const scriptNode = document.createElement('script');
  417.     scriptNode.type = 'text/javascript';
  418.     scriptNode.textContent = scriptText;
  419.     try {
  420.       document.documentElement.appendChild(scriptNode);
  421.     } catch (e) {
  422.       console.log('addScript Error', e)
  423.     }
  424.     return scriptNode;
  425.   }
  426.  
  427.   function addScriptByURL(/** @type {string} */ scriptURL) {
  428.     const scriptNode = document.createElement('script');
  429.     scriptNode.type = 'text/javascript';
  430.     scriptNode.src = scriptURL;
  431.     try {
  432.       document.documentElement.appendChild(scriptNode);
  433.     } catch (e) {
  434.       console.log('addScriptByURL Error', e)
  435.     }
  436.     return scriptNode;
  437.   }
  438.  
  439.   function addStyle(/** @type {string} */ styleText, /** @type {HTMLElement | Document} */ container) {
  440.     const styleNode = document.createElement('style');
  441.     //styleNode.type = 'text/css';
  442.     styleNode.textContent = styleText;
  443.     (container || document.documentElement).appendChild(styleNode);
  444.     return styleNode;
  445.   }
  446.  
  447.  
  448.   const stopIframePropagation = function(/** @type {Event} */ evt){
  449.     if(scriptEnable && evt && evt.target && evt.target.nodeName=='IFRAME'){
  450.       evt.stopImmediatePropagation();
  451.       evt.stopPropagation();
  452.     }
  453.   }
  454.   document.addEventListener('mouseover', stopIframePropagation, true)
  455.   document.addEventListener('mouseout', stopIframePropagation, true)
  456.   document.addEventListener('mousedown', stopIframePropagation, true)
  457.   document.addEventListener('mouseup', stopIframePropagation, true)
  458.   document.addEventListener('keydown', stopIframePropagation, true)
  459.   document.addEventListener('keyup', stopIframePropagation, true)
  460.   document.addEventListener('mouseenter', stopIframePropagation, true)
  461.   document.addEventListener('mouseleave', stopIframePropagation, true)
  462.  
  463.  
  464.  
  465.   function isDOMVisible(/** @type {HTMLElement} */ elem) {
  466.     // jQuery version : https://github.com/jquery/jquery/blob/a684e6ba836f7c553968d7d026ed7941e1a612d8/src/css/hiddenVisibleSelectors.js
  467.     return !!(elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length);
  468.   }
  469.  
  470.   function isNonEmptyString(s) {
  471.     return typeof s == 'string' && s.length > 0;
  472.   }
  473.  
  474.  
  475.   async function nativeCall(/** @type {EventTarget} */ dom, /** @type {any[]} */ detail) {
  476.     //console.log(1231)
  477.     dom.dispatchEvent(new CustomEvent("userscript-call-dom", { detail: detail }))
  478.     //console.log(1232)
  479.   }
  480.  
  481.   async function nativeFunc(/** @type {EventTarget} */ dom, /** @type {string} */ property, /** @type {any} */ args) {
  482.     dom.dispatchEvent(new CustomEvent("userscript-call-dom-func", { detail: { property, args } }))
  483.   }
  484.  
  485.   // async function nativeValue(dom, property, args) {
  486.   //   dom.dispatchEvent(new CustomEvent("userscript-call-dom-value", { detail: { property, args } }))
  487.   // }
  488.   // async function nativeFuncStacked(/** @type {string} */ selector, /** @type {string} */ property, /** @type {any} */ args){
  489.   //   document.dispatchEvent(new CustomEvent("userscript-call-dom-func-stacked", { detail: { selector, property, args } }))
  490.   // }
  491.   // async function nativeValueStacked(selector, property, args){
  492.   //   document.dispatchEvent(new CustomEvent("userscript-call-dom-value-stacked", { detail: { selector, property, args } }))
  493.   // }
  494.   // async function nativeConstStacked(selector, property, args){
  495.   //   document.dispatchEvent(new CustomEvent("userscript-call-dom-const-stacked", { detail: { selector, property, args } }))
  496.   // }
  497.  
  498.  
  499.   function akAttr(/** @type {HTMLElement} */ cssElm, /** @type {String} */ attrName, /** @type {boolean} */ isNegative, /** @type {string | any} */ flag) {
  500.     // isNegative => incomplete loading
  501.  
  502.     let u = parseInt(cssElm.getAttribute(attrName) || 0) || 0;
  503.     let ak = Math.abs(u);
  504.  
  505.     if (ak > 100 && isNegative && u < 0) {
  506.  
  507.     } else if (ak > 100 && !isNegative && u > 0) {
  508.  
  509.     } else {
  510.       if (ak <= 100) {
  511.         ak = 101;
  512.       } else {
  513.         ak++;
  514.         if (ak >= 800) ak = 101;
  515.       }
  516.       // 101, 102, ... 799, 101 
  517.     }
  518.  
  519.     cssElm.setAttribute(attrName, `${ isNegative ? -ak : ak }${ flag || '' }`)
  520.   }
  521.  
  522.  
  523.  
  524.   let timeout_resize_for_layout_change = new Timeout();
  525.  
  526.   function dispatchWindowResize(){
  527.     // for youtube to detect layout resize for adjusting Player tools
  528.     return window.dispatchEvent(new Event('resize'));
  529.   }
  530.  
  531.  
  532.  
  533.   function layoutStatusChanged(/** @type {number} */ old_layoutStatus, /** @type {number} */ new_layoutStatus) {
  534.  
  535.  
  536.     if (old_layoutStatus === new_layoutStatus) return;
  537.  
  538.     const cssElm = kRef(ytdFlexy);
  539.  
  540.     if (!cssElm) return;
  541.  
  542.  
  543.     const new_isExpandedChat = !(new_layoutStatus & LAYOUT_CHATROOM_COLLASPED) && (new_layoutStatus & LAYOUT_CHATROOM)
  544.     const new_isCollaspedChat = (new_layoutStatus & LAYOUT_CHATROOM_COLLASPED) && (new_layoutStatus & LAYOUT_CHATROOM)
  545.  
  546.     const new_isTwoColumns = !!(new_layoutStatus & LAYOUT_TWO_COLUMNS);
  547.     const new_isTheater = !!(new_layoutStatus & LAYOUT_THEATER);
  548.     const new_isTabExpanded = !!(new_layoutStatus & LAYOUT_TAB_EXPANDED);
  549.     const new_isFullScreen = !!(new_layoutStatus & LAYOUT_FULLSCREEN);
  550.     const new_isExpandEPanel = !!(new_layoutStatus & LAYOUT_ENGAGEMENT_PANEL_EXPAND);
  551.  
  552.     
  553.  
  554.  
  555.     function showTabOrChat() {
  556.  
  557.       layoutStatusMutex.lockWith(unlock => {
  558.  
  559.         if (lastShowTab == '#chatroom') {
  560.  
  561.           if (new_isTabExpanded) switchTabActivity(null)
  562.           if (!new_isExpandedChat) ytBtnExpandChat();
  563.  
  564.         } else if (lastShowTab && lastShowTab.indexOf('#engagement-panel-') == 0) {
  565.  
  566.           if (new_isTabExpanded) switchTabActivity(null)
  567.           if (!new_isExpandEPanel) ytBtnOpenEngagementPanel(lastShowTab);
  568.  
  569.         } else {
  570.  
  571.           if (new_isExpandedChat) ytBtnCollapseChat()
  572.           if (!new_isTabExpanded) {setToActiveTab();}
  573.  
  574.         }
  575.  
  576.         timeline.setTimeout(unlock, 40);
  577.  
  578.       })
  579.     }
  580.  
  581.     function hideTabAndChat() {
  582.  
  583.       layoutStatusMutex.lockWith(unlock => {
  584.  
  585.         if (new_isTabExpanded) switchTabActivity(null)
  586.         if (new_isExpandedChat) ytBtnCollapseChat()
  587.         if (new_isExpandEPanel) ytBtnCloseEngagementPanels();
  588.  
  589.  
  590.         timeline.setTimeout(unlock, 40);
  591.  
  592.       })
  593.  
  594.     }
  595.  
  596.  
  597.     if (new_isExpandedChat || new_isTabExpanded || new_isExpandEPanel) {
  598.       if (statusCollasped !== 1) statusCollasped = 1;
  599.     } else {
  600.       if (statusCollasped === 1) statusCollasped = 2;
  601.     }
  602.  
  603.     let changes = 0;
  604.  
  605.     if (old_layoutStatus !== null) changes = old_layoutStatus ^ new_layoutStatus;
  606.  
  607.     let chat_collasped_changed = !!(changes & LAYOUT_CHATROOM_COLLASPED)
  608.     let tab_expanded_changed = !!(changes & LAYOUT_TAB_EXPANDED)
  609.     let theater_mode_changed = !!(changes & LAYOUT_THEATER)
  610.     let column_mode_changed = !!(changes & LAYOUT_TWO_COLUMNS)
  611.     let fullscreen_mode_changed = !!(changes & LAYOUT_FULLSCREEN)
  612.     let epanel_expanded_changed = !!(changes & LAYOUT_ENGAGEMENT_PANEL_EXPAND)
  613.  
  614.     let tab_change = (tab_expanded_changed ? 1 : 0) | (chat_collasped_changed ? 2 : 0) | (epanel_expanded_changed ? 4 : 0);
  615.  
  616.     let isChatOrTabExpandTriggering = tab_change == 0 ? false : (
  617.       (tab_expanded_changed && new_isTabExpanded) ||
  618.       (chat_collasped_changed && new_isExpandedChat) ||
  619.       (epanel_expanded_changed && new_isExpandEPanel)
  620.     );
  621.  
  622.     let isChatOrTabCollaspeTriggering = tab_change == 0 ? false : (
  623.       (tab_expanded_changed && !new_isTabExpanded) ||
  624.       (chat_collasped_changed && new_isCollaspedChat) ||
  625.       (epanel_expanded_changed && !new_isExpandEPanel)
  626.     );
  627.  
  628.  
  629.  
  630.     let moreThanOneShown = (new_isTabExpanded + new_isExpandedChat + new_isExpandEPanel) > 1
  631.  
  632.     let requestVideoResize = false;
  633.  
  634.     if (fullscreen_mode_changed || new_isFullScreen) {
  635.  
  636.     } else if(new_isTwoColumns && !new_isTheater && !column_mode_changed && (tab_change==2 || tab_change==4) && !new_isTabExpanded && new_isExpandedChat && new_isExpandEPanel){
  637.  
  638.       if(epanel_expanded_changed){
  639.         layoutStatusMutex.lockWith(unlock => {
  640.           ytBtnCollapseChat();
  641.           setTimeout(unlock,13)
  642.         })
  643.       }else if(chat_collasped_changed){
  644.         layoutStatusMutex.lockWith(unlock => {
  645.           ytBtnCloseEngagementPanels();
  646.           setTimeout(unlock,13)
  647.         })
  648.  
  649.       }
  650.  
  651.     } else if (tab_change == 0 && column_mode_changed && new_isTwoColumns && !new_isTheater && statusCollasped === 1 && moreThanOneShown) {
  652.  
  653.       showTabOrChat();
  654.       requestVideoResize = true;
  655.  
  656.     } else if (tab_change == 2 && new_isExpandedChat && new_isTwoColumns && !new_isTheater && statusCollasped === 1 && new_isTabExpanded && !column_mode_changed) {
  657.  
  658.       switchTabActivity(null);
  659.       requestVideoResize = true;
  660.  
  661.     } else if (isChatOrTabExpandTriggering && new_isTwoColumns && new_isTheater && statusCollasped === 1 && !theater_mode_changed && !column_mode_changed) {
  662.  
  663.       ytBtnCancelTheater();
  664.       requestVideoResize = true;
  665.  
  666.     } else if (new_isTwoColumns && new_isTheater && statusCollasped === 1) {
  667.  
  668.       hideTabAndChat();
  669.       requestVideoResize = true;
  670.  
  671.     } else if (isChatOrTabCollaspeTriggering && new_isTwoColumns && !new_isTheater && statusCollasped === 2 && !column_mode_changed) {
  672.  
  673.       ytBtnSetTheater();
  674.       requestVideoResize = true;
  675.  
  676.     } else if (tab_change == 0 && (column_mode_changed || theater_mode_changed) && new_isTwoColumns && !new_isTheater && statusCollasped !== 1) {
  677.  
  678.       showTabOrChat();
  679.       requestVideoResize = true;
  680.  
  681.     } else if (!new_isFullScreen && new_isTwoColumns && !new_isTheater && !new_isTabExpanded &&
  682.       (new_isCollaspedChat || !new_isExpandedChat) &&
  683.       !new_isExpandEPanel
  684.     ) {
  685.       // bug fix for restoring from mini player
  686.  
  687.       layoutStatusMutex.lockWith(unlock => {
  688.         setToActiveTab();
  689.         timeline.setTimeout(unlock, 40);
  690.       })
  691.  
  692.       requestVideoResize = true;
  693.  
  694.     } else if (tab_expanded_changed) {
  695.  
  696.       requestVideoResize = true;
  697.  
  698.     }
  699.  
  700.  
  701.     if (column_mode_changed && !chat_collasped_changed && new_isExpandedChat) {
  702.  
  703.       runAfterExpandChat();
  704.  
  705.     }
  706.  
  707.  
  708.  
  709.     if (requestVideoResize) {
  710.  
  711.       timeout_resize_for_layout_change.clear();
  712.       timeout_resize_for_layout_change.set(() => {
  713.         dispatchWindowResize();
  714.       }, 92)
  715.  
  716.     } else if (timeout_resize_for_layout_change.isEmpty() && (Date.now()) - lastResizeAt > 600) {
  717.       timeout_resize_for_layout_change.set(() => {
  718.         if ((Date.now()) - lastResizeAt > 600) dispatchWindowResize();
  719.       }, 62)
  720.     }
  721.  
  722.  
  723.  
  724.  
  725.   }
  726.  
  727.  
  728.  
  729.   const wls = new Proxy({
  730.     /** @type {number | null} */
  731.     layoutStatus:undefined
  732.   }, {
  733.     get: function(target, prop) {
  734.       return target[prop];
  735.     },
  736.     set: function(target, prop, value) {
  737.       if(prop=='layoutStatus'){
  738.           
  739.         if (value === null) {
  740.           statusCollasped = 0;
  741.           target[prop] = value;
  742.           return;
  743.         }else if(target[prop]===value){
  744.           return;
  745.         }else{
  746.           if (!target.layoutStatus_pending) {
  747.             target.layoutStatus_pending = true;
  748.             const old_layoutStatus = target[prop];
  749.             target[prop] = value;
  750.             layoutStatusMutex.lockWith(unlock => {
  751.               target.layoutStatus_pending = false;
  752.               layoutStatusChanged(old_layoutStatus, target[prop]);
  753.               timeline.setTimeout(unlock, 40)
  754.             })
  755.             return;
  756.           }
  757.         }
  758.       }
  759.       target[prop] = value;
  760.     },
  761.     has: function(target, prop) {
  762.       return (prop in target);
  763.     }
  764.   });
  765.  
  766.  
  767.  
  768.  
  769.  
  770.  
  771.   const svgElm = (w, h, vw, vh, p) => `<svg width="${w}" height="${h}" viewBox="0 0 ${vw} ${vh}" preserveAspectRatio="xMidYMid meet">${p}</svg>`
  772.  
  773.   let settings = {
  774.     defaultTab: "#tab-videos"
  775.   };
  776.  
  777.  
  778.   let mtoInterval = mtoInterval1;
  779.  
  780.   function isVideoPlaying(video) {
  781.     return video.currentTime > 0 && !video.paused && !video.ended && video.readyState > video.HAVE_CURRENT_DATA;
  782.   }
  783.  
  784.   function wAttr(elm, attr, kv) {
  785.     if (!elm || kv === null) {} else if (kv === true) { elm.setAttribute(attr, '') } else if (kv === false) { elm.removeAttribute(attr) } else if (typeof kv == 'string') { elm.setAttribute(attr, kv) }
  786.   }
  787.  
  788.   function hideTabBtn(tabBtn) {
  789.     let isActiveBefore = tabBtn.classList.contains('active');
  790.     tabBtn.classList.add("tab-btn-hidden");
  791.     if (isActiveBefore) {
  792.       setToActiveTab();
  793.     }
  794.   }
  795.  
  796.   function hasAttribute(obj, key) {
  797.     return obj && obj.hasAttribute(key);
  798.   }
  799.  
  800.   function isTheater() {
  801.     const cssElm = kRef(ytdFlexy);
  802.     return (cssElm && cssElm.hasAttribute('theater'))
  803.   }
  804.  
  805.   function isFullScreen() {
  806.     const cssElm = kRef(ytdFlexy);
  807.     return (cssElm && cssElm.hasAttribute('fullscreen'))
  808.   }
  809.  
  810.   function isChatExpand() {
  811.     const cssElm = kRef(ytdFlexy);
  812.     return cssElm && cssElm.hasAttribute('userscript-chatblock') && !cssElm.hasAttribute('userscript-chat-collapsed')
  813.   }
  814.  
  815.   function isWideScreenWithTwoColumns() {
  816.     const cssElm = kRef(ytdFlexy);
  817.     return (cssElm && cssElm.hasAttribute('is-two-columns_'))
  818.   }
  819.  
  820.   function isAnyActiveTab() {
  821.     return $('#right-tabs .tab-btn.active').length > 0
  822.   }
  823.  
  824.   function isEngagementPanelExpanded() { //note: not checking the visual elements
  825.     const cssElm = kRef(ytdFlexy);
  826.     return (cssElm && +cssElm.getAttribute('userscript-engagement-panel') > 0)
  827.   }
  828.  
  829.   function engagement_panels_() {
  830.  
  831.     let res = [];
  832.     let shownRes = [];
  833.  
  834.     let v = 0,
  835.       k = 1,
  836.       count = 0;
  837.       
  838.     for (const ePanel of document.querySelectorAll(
  839.       `ytd-watch-flexy ytd-engagement-panel-section-list-renderer[o3r-${sa_epanel}]`
  840.       )) {
  841.  
  842.       let visibility = ePanel.getAttribute('visibility') //ENGAGEMENT_PANEL_VISIBILITY_EXPANDED //ENGAGEMENT_PANEL_VISIBILITY_HIDDEN
  843.  
  844.       switch (visibility) {
  845.         case 'ENGAGEMENT_PANEL_VISIBILITY_EXPANDED':
  846.           v |= k;
  847.           count++;
  848.           shownRes.push(ePanel)
  849.           res.push({ ePanel, k, visible: true });
  850.           break;
  851.         case 'ENGAGEMENT_PANEL_VISIBILITY_HIDDEN':
  852.           res.push({ ePanel, k, visible: false });
  853.           break;
  854.         default:
  855.           res.push({ ePanel, k, visible: false });
  856.       }
  857.  
  858.       k = k << 1;
  859.  
  860.     }
  861.     return { list: res, value: v, count: count, shownRes };
  862.   }
  863.  
  864.  
  865.   function ytBtnOpenEngagementPanel(/** @type {number | string} */ panel_id) {
  866.  
  867.     if (typeof panel_id == 'string') {
  868.       panel_id = panel_id.replace('#engagement-panel-', '');
  869.       panel_id = parseInt(panel_id);
  870.     }
  871.     if (panel_id >= 0) {} else return false;
  872.  
  873.     let panels = engagement_panels_();
  874.  
  875.     for (const { ePanel, k, visible } of panels.list) {
  876.       if ((panel_id & k) === k) {
  877.         if (!visible) ePanel.setAttribute('visibility', "ENGAGEMENT_PANEL_VISIBILITY_EXPANDED");
  878.       } else {
  879.         if (visible) ytBtnCloseEngagementPanel(ePanel);
  880.       }
  881.     }
  882.  
  883.   }
  884.  
  885.   function ytBtnCloseEngagementPanel(/** @type {HTMLElement} */  s) {
  886.     //ePanel.setAttribute('visibility',"ENGAGEMENT_PANEL_VISIBILITY_HIDDEN");
  887.     let btn = querySelectorFromAnchor.call(s,'ytd-watch-flexy ytd-engagement-panel-title-header-renderer #header > #visibility-button > ytd-button-renderer');
  888.     if (btn) {
  889.       btn.click();
  890.     }
  891.   }
  892.  
  893.   function ytBtnCloseEngagementPanels() {
  894.     if (isEngagementPanelExpanded()) {
  895.       for (const s of document.querySelectorAll(
  896.         `ytd-watch-flexy ytd-engagement-panel-section-list-renderer[o3r-${sa_epanel}]`
  897.         )) {
  898.         if (s.getAttribute('visibility') == "ENGAGEMENT_PANEL_VISIBILITY_EXPANDED") ytBtnCloseEngagementPanel(s);
  899.       }
  900.     }
  901.   }
  902.  
  903.   function ytBtnSetTheater() {
  904.     if (!isTheater()) {
  905.       const sizeBtn = document.querySelector('ytd-watch-flexy #ytd-player button.ytp-size-button')
  906.       if (sizeBtn) sizeBtn.click();
  907.     }
  908.   }
  909.  
  910.   function ytBtnCancelTheater() {
  911.     if (isTheater()) {
  912.       const sizeBtn = document.querySelector('ytd-watch-flexy #ytd-player button.ytp-size-button')
  913.       if (sizeBtn) sizeBtn.click();
  914.     }
  915.   }
  916.  
  917.   function ytBtnExpandChat() {
  918.     let button = document.querySelector('ytd-live-chat-frame#chat[collapsed] > .ytd-live-chat-frame#show-hide-button')
  919.     if (button) querySelectorFromAnchor.call(button,'ytd-toggle-button-renderer').click();
  920.   }
  921.  
  922.   function ytBtnCollapseChat() {
  923.     let button = document.querySelector('ytd-live-chat-frame#chat:not([collapsed]) > .ytd-live-chat-frame#show-hide-button')
  924.     if (button) querySelectorFromAnchor.call(button, 'ytd-toggle-button-renderer').click();
  925.   }
  926.  
  927.  
  928.   const Q = {}
  929.  
  930.  
  931.  
  932.   function chatFrameContentDocument() {
  933.     // non-null if iframe exist && contentDocument && readyState = complete
  934.     /** @type {HTMLIFrameElement | null} */ 
  935.     let iframe = document.querySelector('ytd-live-chat-frame iframe#chatframe');
  936.     if (!iframe) return null; //iframe must be there
  937.     /** @type {Document | null} */ 
  938.     let cDoc = null;
  939.     try {
  940.       cDoc = iframe.contentDocument;
  941.     } catch (e) {}
  942.     if (!cDoc) return null;
  943.     if (cDoc.readyState != 'complete') return null; //we must wait for its completion
  944.  
  945.     return cDoc;
  946.  
  947.   }
  948.  
  949.   function chatFrameElement(/** @type {string} */ cssSelector) {
  950.     let cDoc = chatFrameContentDocument();
  951.     if (!cDoc) return null;
  952.     /** @type {HTMLElement | null} */ 
  953.     let elm = null;
  954.     try {
  955.       elm = cDoc.querySelector(cssSelector)
  956.     } catch (e) {
  957.       console.log('iframe error', e)
  958.     }
  959.     return elm;
  960.   }
  961.  
  962.  
  963.  
  964.  
  965.   function fixTabs() {
  966.  
  967.  
  968.     if (!scriptEnable) return;
  969.  
  970.  
  971.     let queryElement = document.querySelector('*:not(#tab-videos) > #related:not([non-placeholder-videos]) > ytd-watch-next-secondary-results-renderer')
  972.  
  973.     let isRelocated = !!queryElement;
  974.  
  975.  
  976.  
  977.     if (isRelocated) {
  978.  
  979.       let relocatedRelated = closestDOM.call(queryElement, '#related'); // NOT NULL
  980.  
  981.       let right_tabs = document.querySelector('#right-tabs');
  982.       let tab_videos = querySelectorFromAnchor.call(right_tabs,"#tab-videos");
  983.  
  984.       if (!right_tabs || !tab_videos) return;
  985.  
  986.       for (const s of querySelectorAllFromAnchor.call(relocatedRelated,'#related')) {
  987.         s.setAttribute('non-placeholder-videos', '')
  988.       }
  989.  
  990.       let target_container = document.querySelector('ytd-watch-flexy:not([is-two-columns_]) #primary-inner, ytd-watch-flexy[is-two-columns_] #secondary-inner')
  991.  
  992.       if (target_container) target_container.append(right_tabs) // last-child
  993.  
  994.  
  995.       let videos_related = relocatedRelated; // NOT NULL
  996.       $('[placeholder-videos]').removeAttr('placeholder-videos');
  997.       $('[placeholder-for-youtube-play-next-queue]').removeAttr('placeholder-for-youtube-play-next-queue');
  998.  
  999.       tab_videos.appendChild(videos_related);
  1000.       let videos_results_renderer = querySelectorFromAnchor.call(relocatedRelated,"ytd-watch-next-secondary-results-renderer");
  1001.       if (videos_results_renderer) videos_results_renderer.setAttribute('data-dom-changed-by-tabview-youtube', scriptVersionForExternal);
  1002.       videos_related.setAttribute('placeholder-for-youtube-play-next-queue', '')
  1003.       videos_related.setAttribute('placeholder-videos', '')
  1004.  
  1005.       $('[placeholder-videos]').on("scroll", makeBodyScrollByEvt);
  1006.  
  1007.  
  1008.  
  1009.  
  1010.     }
  1011.  
  1012.  
  1013.  
  1014.     /** @type {HTMLElement | null} */ 
  1015.     let chatroom = null;
  1016.     if (chatroom = document.querySelector('*:not([data-positioner="before|#chat"]) + ytd-live-chat-frame#chat, ytd-live-chat-frame#chat:first-child')) {
  1017.  
  1018.       let positioner = document.querySelector('tabview-youtube-positioner[data-positioner="before|#chat"]');
  1019.       if (positioner) positioner.remove();
  1020.  
  1021.  
  1022.       if (document.querySelector('.YouTubeLiveFilledUpView')) {
  1023.         // no relocation
  1024.       } else {
  1025.  
  1026.         $(chatroom).insertBefore('#right-tabs')
  1027.  
  1028.       }
  1029.  
  1030.  
  1031.       $(positioner ? positioner : document.createElement('tabview-youtube-positioner')).attr('data-positioner', 'before|#chat').insertBefore(chatroom)
  1032.  
  1033.  
  1034.  
  1035.     }
  1036.  
  1037.  
  1038.   }
  1039.  
  1040.   function handlerAutoCompleteExist() {
  1041.  
  1042.  
  1043.     /** @type {HTMLElement} */ 
  1044.     let autoComplete = this;
  1045.  
  1046.     autoComplete.removeEventListener('autocomplete-sc-exist', handlerAutoCompleteExist, false)
  1047.  
  1048.     let domId = autoComplete.getAttribute('data-autocomplete-input-id')
  1049.     let searchBox = autoComplete.ownerDocument.querySelector(`[data-autocomplete-results-id="${domId}"]`)
  1050.  
  1051.     if (!domId || !searchBox) return;
  1052.  
  1053.     let positioner = searchBox.nextSibling;
  1054.     if (positioner && positioner.nodeName.toLowerCase() == "autocomplete-positioner") {} else if (positioner && positioner.nodeName.toLowerCase() != "autocomplete-positioner") {
  1055.       $(positioner = document.createElement("autocomplete-positioner")).insertAfter(searchBox);
  1056.     } else {
  1057.       $(positioner = document.createElement("autocomplete-positioner")).prependTo(searchBox.parentNode);
  1058.     }
  1059.     $(autoComplete).prependTo(positioner);
  1060.  
  1061.     positioner.style.setProperty('--sb-margin-bottom', getComputedStyle(searchBox).marginBottom)
  1062.     positioner.style.setProperty('--height', searchBox.offsetHeight + 'px')
  1063.  
  1064.   }
  1065.  
  1066.   function mtf_fixAutoCompletePosition(/** @type {HTMLElement} */ elmAutoComplete) {
  1067.  
  1068.  
  1069.     elmAutoComplete.setAttribute('autocomplete-disable-updatesc', '')
  1070.     elmAutoComplete.addEventListener('autocomplete-sc-exist', handlerAutoCompleteExist, false)
  1071.  
  1072.     script_inject_facp.inject();
  1073.  
  1074.   }
  1075.  
  1076.   function mtf_AfterFixTabs() {
  1077.  
  1078.  
  1079.     /** @type {HTMLElement | null} */ 
  1080.     let ytdFlexyElm = kRef(ytdFlexy);
  1081.     if (!scriptEnable || !ytdFlexyElm) return;
  1082.  
  1083.     /** @type {HTMLElement | null} */
  1084.     const rootElement = Q.mutationTarget || ytdFlexyElm;
  1085.  
  1086.  
  1087.  
  1088.     const autocomplete = querySelectorFromAnchor.call(rootElement,'[placeholder-for-youtube-play-next-queue] input#suggestions-search + autocomplete-positioner > .autocomplete-suggestions[data-autocomplete-input-id]:not([position-fixed-by-tabview-youtube])')
  1089.  
  1090.     if (autocomplete) {
  1091.  
  1092.       const searchBox = document.querySelector('[placeholder-for-youtube-play-next-queue] input#suggestions-search')
  1093.  
  1094.  
  1095.       if (searchBox) {
  1096.  
  1097.  
  1098.         autocomplete.parentNode.setAttribute('position-fixed-by-tabview-youtube', '');
  1099.         autocomplete.setAttribute('position-fixed-by-tabview-youtube', '');
  1100.         autocomplete.setAttribute('userscript-scrollbar-render', '')
  1101.  
  1102.         if (!searchBox.hasAttribute('is-set-click-to-toggle')) {
  1103.           searchBox.setAttribute('is-set-click-to-toggle', '')
  1104.           searchBox.addEventListener('click', function() {
  1105.  
  1106.  
  1107.             setTimeout(() => {
  1108.               const autocomplete = document.querySelector(`.autocomplete-suggestions[data-autocomplete-input-id="${ this.getAttribute('data-autocomplete-results-id') }"]`)
  1109.  
  1110.               if (!autocomplete) return;
  1111.  
  1112.               const isNotEmpty = (autocomplete.textContent || '').length > 0 && (this.value || '').length > 0;
  1113.  
  1114.               if (isNotEmpty) {
  1115.  
  1116.                 let elmVisible = isDOMVisible(autocomplete)
  1117.  
  1118.                 if (elmVisible) $(autocomplete).hide();
  1119.                 else $(autocomplete).show();
  1120.  
  1121.               }
  1122.  
  1123.             }, 20);
  1124.  
  1125.           })
  1126.  
  1127.           let timeoutOnce_searchbox_keyup = new Timeout();
  1128.           searchBox.addEventListener('keyup', function() {
  1129.  
  1130.             timeoutOnce_searchbox_keyup.set(() => {
  1131.  
  1132.               const autocomplete = document.querySelector(`.autocomplete-suggestions[data-autocomplete-input-id="${ this.getAttribute('data-autocomplete-results-id') }"]`)
  1133.  
  1134.               if (!autocomplete) return;
  1135.  
  1136.  
  1137.               const isNotEmpty = (autocomplete.textContent || '').length > 0 && (this.value || '').length > 0
  1138.  
  1139.               if (isNotEmpty) {
  1140.  
  1141.                 let elmVisible = isDOMVisible(autocomplete)
  1142.  
  1143.                 if (!elmVisible) $(autocomplete).show();
  1144.  
  1145.               }
  1146.  
  1147.             }, 20);
  1148.  
  1149.           })
  1150.  
  1151.         }
  1152.  
  1153.  
  1154.  
  1155.       }
  1156.  
  1157.     }
  1158.  
  1159.  
  1160.  
  1161.  
  1162.     let currentLastVideo = querySelectorFromAnchor.call(rootElement,'[placeholder-videos] #items ytd-compact-video-renderer:last-of-type')
  1163.     let prevLastVideo = kRef(_cachedLastVideo);
  1164.  
  1165.     if (prevLastVideo !== currentLastVideo && currentLastVideo) {
  1166.       _cachedLastVideo = mWeakRef(currentLastVideo);
  1167.     }
  1168.  
  1169.     if (prevLastVideo !== currentLastVideo && currentLastVideo && prevLastVideo) {
  1170.  
  1171.       let isPrevRemoved = !prevLastVideo.parentNode
  1172.  
  1173.  
  1174.       function getVideoListHash() {
  1175.  
  1176.         let res = [...document.querySelectorAll('[placeholder-videos] #items ytd-compact-video-renderer')].map(renderer => {
  1177.           return querySelectorFromAnchor.call(renderer,'a[href*="watch"][href*="v="]').getAttribute('href')
  1178.  
  1179.         }).join('|')
  1180.         // /watch?v=XXXXX|/watch?v=XXXXXX|/watch?v=XXXXXX
  1181.  
  1182.         // alternative - DOM.data.videoId
  1183.         // let elms = document.querySelectorAll('[placeholder-videos] #items ytd-compact-video-renderer')
  1184.         // let res = [...elms].map(elm=>elm.data.videoId||'').join('|') ;
  1185.  
  1186.         if (res.indexOf('||') >= 0) {
  1187.           res = '';
  1188.         }
  1189.  
  1190.         return res ? res : null;
  1191.       }
  1192.  
  1193.       if (isPrevRemoved) {
  1194.  
  1195.         // this is the replacement of videos instead of addition
  1196.  
  1197.         const searchBox = document.querySelector('[placeholder-for-youtube-play-next-queue] input#suggestions-search')
  1198.  
  1199.         let currentPlayListHash = getVideoListHash() || null;
  1200.  
  1201.         if (!currentPlayListHash) {
  1202.  
  1203.         } else if (!videoListBeforeSearch && searchBox) {
  1204.  
  1205.           videoListBeforeSearch = currentPlayListHash;
  1206.           if (videoListBeforeSearch) {
  1207.             //console.log('fromSearch', videoListBeforeSearch)
  1208.  
  1209.             requestAnimationFrame(function() {
  1210.  
  1211.               let renderer = document.querySelector('[placeholder-videos] ytd-watch-next-secondary-results-renderer');
  1212.               if (searchBox && searchBox.parentNode) searchBox.blur();
  1213.  
  1214.               if (renderer) {
  1215.                 let scrollParent = renderer.parentNode;
  1216.                 if (scrollParent.scrollHeight > scrollParent.offsetHeight) {
  1217.                   let targetTop = renderer.offsetTop;
  1218.                   if (searchBox && searchBox.parentNode == scrollParent) targetTop -= searchBox.offsetHeight
  1219.                   scrollParent.scrollTop = targetTop - scrollParent.firstChild.offsetTop;
  1220.                 }
  1221.               }
  1222.  
  1223.             });
  1224.  
  1225.           }
  1226.  
  1227.         } else if (videoListBeforeSearch) {
  1228.  
  1229.           if (currentPlayListHash != videoListBeforeSearch) {
  1230.  
  1231.             videoListBeforeSearch = null;
  1232.             //console.log('fromSearch', videoListBeforeSearch)
  1233.  
  1234.  
  1235.           }
  1236.  
  1237.         }
  1238.  
  1239.  
  1240.       }
  1241.  
  1242.  
  1243.     }
  1244.  
  1245.  
  1246.  
  1247.  
  1248.   }
  1249.  
  1250.   function base_ChatExist() {
  1251.  
  1252.     let ytdFlexyElm = kRef(ytdFlexy);
  1253.     if (!scriptEnable || !ytdFlexyElm) return null;
  1254.  
  1255.     // no mutation triggering if the changes are inside the iframe 
  1256.  
  1257.     // 1) Detection of #continuations inside iframe
  1258.     // iframe ownerDocument is accessible due to same origin
  1259.     // if the chatroom is collasped, no determination of live chat or replay (as no #continuations and somehow a blank iframe doc)
  1260.  
  1261.     // 2) Detection of meta tag
  1262.     // This is fastest but not reliable. It is somehow a bug that the navigation might not update the meta tag content
  1263.  
  1264.     // 3) Detection of HTMLElement inside video player for live video
  1265.  
  1266.     // (1)+(3) = solution
  1267.  
  1268.     let attr_chatblock = null
  1269.     let attr_chatcollapsed = null;
  1270.  
  1271.     const elmChat = document.querySelector('ytd-live-chat-frame#chat')
  1272.     let elmCont = null;
  1273.     if (elmChat) {
  1274.       elmCont = chatFrameElement('yt-live-chat-renderer #continuations')
  1275.  
  1276.  
  1277.       let s = 0;
  1278.       if (elmCont) {
  1279.         //not found if it is collasped.
  1280.         s |= querySelectorFromAnchor.call(elmCont,'yt-timed-continuation') ? 1 : 0;
  1281.         s |= querySelectorFromAnchor.call(elmCont,'yt-live-chat-replay-continuation, yt-player-seek-continuation') ? 2 : 0;
  1282.         //s |= elmCont.querySelector('yt-live-chat-restricted-participation-renderer')?4:0;
  1283.         if (s == 1) {
  1284.           attr_chatblock = 'chat-live';
  1285.         }else if (s == 2) attr_chatblock = 'chat-playback';
  1286.  
  1287.         if (s == 1) $("span#tab3-txt-loader").text('');
  1288.  
  1289.       } else if (!ytdFlexyElm.hasAttribute('userscript-chatblock')) {
  1290.         // live chat frame but type not known
  1291.           
  1292.         attr_chatblock = '';
  1293.  
  1294.       }
  1295.       //keep unknown as original    
  1296.       
  1297.       
  1298.       let isCollapsed = !!elmChat.hasAttribute('collapsed');
  1299.       attr_chatcollapsed = isCollapsed;
  1300.  
  1301.     } else {
  1302.       attr_chatblock = false;
  1303.       attr_chatcollapsed = false;
  1304.  
  1305.     }
  1306.  
  1307.     return { attr_chatblock, attr_chatcollapsed }
  1308.  
  1309.   }
  1310.  
  1311.  
  1312.   function mtf_ChatExist() {
  1313.  
  1314.     let ytdFlexyElm = kRef(ytdFlexy);
  1315.     if (!scriptEnable || !ytdFlexyElm) return;
  1316.  
  1317.     if (deferredVarYTDHidden) return;
  1318.  
  1319.     const elmChat = document.querySelector('ytd-live-chat-frame#chat')
  1320.     let elmCont = null;
  1321.     if (elmChat) {
  1322.       elmCont = chatFrameElement('yt-live-chat-renderer #continuations')
  1323.     }
  1324.  
  1325.     const chatBlockR = (elmChat ? 1 : 0) + (elmCont ? 2 : 0)
  1326.     if (Q.mtf_chatBlockQ !== chatBlockR) {
  1327.       Q.mtf_chatBlockQ = chatBlockR
  1328.       let rChatExist = base_ChatExist();
  1329.       //console.log(2446, rChatExist)
  1330.       if (rChatExist) {
  1331.         let { attr_chatblock, attr_chatcollapsed } = rChatExist;
  1332.         wAttr(ytdFlexyElm, 'userscript-chatblock', attr_chatblock)
  1333.         wAttr(ytdFlexyElm, 'userscript-chat-collapsed', attr_chatcollapsed)
  1334.         
  1335.         if(attr_chatblock=='chat-live') _disableComments();
  1336.       }
  1337.     }
  1338.  
  1339.   }
  1340.  
  1341.  
  1342.  
  1343.  
  1344.   let lastScrollAt1 = 0;
  1345.  
  1346.   function makeBodyScrollByEvt() {
  1347.     let ct = Date.now();
  1348.     if (ct - lastScrollAt1 < 6) return; // avoid duplicate calling
  1349.     lastScrollAt1 = ct;
  1350.     window.dispatchEvent(new Event("scroll")); // dispatch Scroll Event to Window for content display
  1351.   }
  1352.  
  1353.   let lastScrollAt2 = 0;
  1354.  
  1355.   function makeBodyScroll() {
  1356.     let ct = Date.now();
  1357.     if (ct - lastScrollAt2 < 30) return; // avoid over triggering
  1358.     lastScrollAt2 = ct;
  1359.     requestAnimationFrame(() => {
  1360.       window.dispatchEvent(new Event("scroll")); // ask youtube to display content
  1361.     })
  1362.   }
  1363.  
  1364.   //let requestingComments = null
  1365.   //let scrollForComments_lastStart = 0;
  1366.    /*
  1367.   function scrollForComments_TF() {
  1368.  
  1369.     let comments = requestingComments;
  1370.     if (!comments) return;
  1371.     if (comments.hasAttribute('hidden')) {
  1372.       window.dispatchEvent(new Event("scroll"));
  1373.     } else requestingComments = null;
  1374.  
  1375.   }
  1376.   function scrollForComments() {
  1377.     scrollForComments_TF();
  1378.     if (!requestingComments) return;
  1379.     requestAnimationFrame(scrollForComments_TF);
  1380.     let ct = Date.now();
  1381.     if (ct - scrollForComments_lastStart < 60) return;
  1382.     scrollForComments_lastStart = ct;
  1383.     timeline.setTimeout(scrollForComments_TF, 80);
  1384.     timeline.setTimeout(scrollForComments_TF, 240);
  1385.     timeline.setTimeout(scrollForComments_TF, 870);
  1386.   
  1387.   }
  1388.   */
  1389.  
  1390.  
  1391.  
  1392.   const mtoCs = { mtoNav: null, mtoBody: null };
  1393.  
  1394.  
  1395.   const mtoVs = {}
  1396.  
  1397.   const mutation_target_id_list = ['ytp-caption-window-container', 'items', 'button', 'movie_player', 'player-ads', 'hover-overlays', 'replies'];
  1398.   const mutation_target_class_list = ['ytp-panel-menu', 'ytp-endscreen-content'];
  1399.  
  1400.   function isMtoOverallSkip(dTarget) {
  1401.  
  1402.     if (!dTarget || dTarget.nodeType !== 1) return true;
  1403.  
  1404.     if (mutation_target_id_list.includes(dTarget.id)) return true;
  1405.  
  1406.     for (const c of dTarget.classList) {
  1407.       if (mutation_target_class_list.includes(c)) return true;
  1408.     }
  1409.  
  1410.     return false;
  1411.   }
  1412.  
  1413.  
  1414.   const mutation_div_id_ignorelist = [
  1415.         'metadata-line',
  1416.         'ytp-caption-window-container',
  1417.         'top-level-buttons-computed',
  1418.         'microformat',
  1419.         'visibility-button',
  1420.         'info-strings',
  1421.         'action-menu',
  1422.         'reply-button-end'
  1423.     ];
  1424.  
  1425.   const mutation_div_class_ignorelist = [
  1426.         'badge', 'tp-yt-paper-tooltip', 'ytp-autonav-endscreen-upnext-header',
  1427.         'ytp-bound-time-left', 'ytp-bound-time-right', 'ytp-share-icon',
  1428.         'ytp-tooltip-title', 'annotation', 'ytp-copylink-icon', 'ytd-thumbnail',
  1429.         'paper-ripple',
  1430.         //caption
  1431.         'captions-text', 'caption-visual-line', 'ytp-caption-segment', 'ytp-caption-window-container',
  1432.         //menu
  1433.         'ytp-playlist-menu-button-text',
  1434.  
  1435.         'ytp-bezel-icon', 'ytp-bezel-text',
  1436.         'dropdown-content',
  1437.         'tp-yt-paper-menu-button', 'tp-yt-iron-dropdown',
  1438.  
  1439.         'ytd-metadata-row-renderer', // #content.ytd-metadata-row-renderer inside each of ytd-metadata-row-renderer (ytd-expander)
  1440.         'ytd-engagement-panel-section-list-renderer', // {div#content.style-scope.ytd-engagement-panel-section-list-renderer} inside each of ytd-engagement-panel-section-list-renderer
  1441.  
  1442.         'autocomplete-suggestions' // autocomplete-suggestions
  1443.     ];
  1444.  
  1445.   const mutation_target_tag_ignorelist = [
  1446.         'ytd-channel-name', 'tp-yt-iron-dropdown', 'tp-yt-paper-tooltip',
  1447.         'tp-yt-paper-listbox', 'yt-img-shadow', 'ytd-thumbnail', 'ytd-video-meta-block',
  1448.  
  1449.         'yt-icon-button', 'tp-yt-paper-button', 'yt-formatted-string', 'yt-icon', 'button', 'paper-ripple',
  1450.  
  1451.         'ytd-player-microformat-renderer',
  1452.         'ytd-engagement-panel-section-list-renderer', 'ytd-engagement-panel-title-header-renderer',
  1453.         'ytd-comment-renderer', 'ytd-menu-renderer', 'ytd-badge-supported-renderer',
  1454.         'ytd-subscribe-button-renderer', 'ytd-subscription-notification-toggle-button-renderer',
  1455.         'ytd-button-renderer', 'ytd-toggle-button-renderer',
  1456.         'yt-pdg-comment-chip-renderer', 'ytd-comment-action-buttons-renderer', 'ytd-comment-thread-renderer',
  1457.         'ytd-compact-radio-renderer', 'ytd-compact-video-renderer',
  1458.         'ytd-video-owner-renderer',
  1459.         'ytd-metadata-row-renderer', //ytd-metadata-row-renderer is part of the #collapsible inside ytd-expander
  1460.  
  1461.         'ytd-moving-thumbnail-renderer',
  1462.         'ytd-thumbnail-overlay-toggle-button-renderer',
  1463.         'ytd-thumbnail-overlay-bottom-panel-renderer', 'ytd-thumbnail-overlay-equalizer',
  1464.         'ytd-thumbnail-overlay-now-playing-renderer', 'ytd-thumbnail-overlay-resume-playback-renderer',
  1465.         'ytd-thumbnail-overlay-side-panel-renderer', 'ytd-thumbnail-overlay-time-status-renderer',
  1466.         'ytd-thumbnail-overlay-hover-text-renderer',
  1467.  
  1468.         'yt-interaction',
  1469.         'tp-yt-paper-spinner-lite', 'tp-yt-paper-spinner',
  1470.  
  1471.         'h1', 'h2', 'h3', 'h4', 'h5', 'span', 'a',
  1472.  
  1473.         'meta', 'br', 'script', 'style', 'link', 'dom-module', 'template'
  1474.     ];
  1475.  
  1476.   function isMtoTargetSkip(mutation) {
  1477.     //skip not important mutation tartget
  1478.  
  1479.     if (!mutation) return true;
  1480.     let { type, target } = mutation
  1481.  
  1482.     if (!target || target.nodeType !== 1 || type != 'childList') return true;
  1483.  
  1484.     let tagName = target.nodeName.toLowerCase();
  1485.  
  1486.     if (mutation_target_tag_ignorelist.includes(tagName)) return true;
  1487.  
  1488.     switch (tagName) {
  1489.  
  1490.  
  1491.       case 'ytd-expander':
  1492.         if (target.id == 'expander' && Q.comments_section_loaded == 1 && target.classList.contains('ytd-comment-renderer')) return true; // load comments
  1493.         return false;
  1494.  
  1495.       case 'div':
  1496.  
  1497.         if (target.id == 'contents') {
  1498.           return false;
  1499.         }
  1500.         if (mutation_div_id_ignorelist.includes(target.id)) return true;
  1501.  
  1502.         for (const c of target.classList) {
  1503.           if (mutation_div_class_ignorelist.includes(c)) return true;
  1504.         }
  1505.  
  1506.         return false;
  1507.  
  1508.     }
  1509.  
  1510.     return false;
  1511.  
  1512.   }
  1513.  
  1514.  
  1515.   function mtf_forceCheckLiveVideo() {
  1516.     // once per $$player-playback-timestamp$$ {#ytd-player .ytp-time-display} &&  $$chat-frame$$ {ytd-live-chat-frame#chat} detection
  1517.     // reset after popstatechange / videochange
  1518.  
  1519.     if(mtf_forceCheckLiveVideo_disable) return ;
  1520.  
  1521.     let ytdFlexyElm = kRef(ytdFlexy);
  1522.     if (!scriptEnable || !ytdFlexyElm) return ;
  1523.  
  1524.     const playerLabel = document.querySelector('ytd-watch-flexy:not([hidden]) #ytd-player .ytp-time-display') && document.querySelector('ytd-watch-flexy:not([hidden]) ytd-live-chat-frame#chat')
  1525.     if (!playerLabel) return ;
  1526.     mtf_forceCheckLiveVideo_disable = 1;
  1527.     timeline.setTimeout(FP.fireOnce_forceCheckLiveVideo_tf, 170)
  1528.     return ;
  1529.   }
  1530.  
  1531.   // continuous check for element relocation
  1532.   function mtf_append_comments() {
  1533.     
  1534.     /** @type {HTMLElement | null} */
  1535.     let ytdFlexyElm = kRef(ytdFlexy);
  1536.     if (!scriptEnable || !ytdFlexyElm) return;
  1537.  
  1538.     /** @type {HTMLElement | null} */
  1539.     const rootElement = Q.mutationTarget || ytdFlexyElm;
  1540.  
  1541.     let comments = querySelectorFromAnchor.call(rootElement,'#primary ytd-watch-metadata ~ ytd-comments#comments');
  1542.     if (comments) $(comments).appendTo('#tab-comments').attr('data-dom-changed-by-tabview-youtube', scriptVersionForExternal)
  1543.   }
  1544.  
  1545.   // continuous check for element relocation
  1546.   function mtf_liveChatBtnF() {
  1547.     
  1548.     /** @type {HTMLElement | null} */
  1549.     let ytdFlexyElm = kRef(ytdFlexy);
  1550.     if (!scriptEnable || !ytdFlexyElm) return;
  1551.  
  1552.     /** @type {HTMLElement | null} */
  1553.     const rootElement = Q.mutationTarget || ytdFlexyElm;
  1554.  
  1555.     let button = querySelectorFromAnchor.call(rootElement,'ytd-live-chat-frame#chat > .ytd-live-chat-frame#show-hide-button:nth-child(n+2)');
  1556.     if (button){
  1557.       let parentNode = closestDOM.call(button, 'ytd-live-chat-frame#chat');
  1558.       if (!parentNode){
  1559.         console.log('parentNode failed')
  1560.       } else if( HTMLElement.prototype.prepend ){
  1561.         // using prepend
  1562.         HTMLElement.prototype.prepend.call(parentNode, button)
  1563.  
  1564.       } else{
  1565.         // using insertBefore
  1566.         try{
  1567.           elementInsertBefore.call(parentNode, button, parentNode.firstChild);
  1568.         }catch(e){
  1569.           console.log('element insert failed in old browser CE')
  1570.         }
  1571.       }
  1572.     } 
  1573.     //if (button) button.parentNode.insertBefore(button, button.parentNode.firstChild)
  1574.   }
  1575.  
  1576.  
  1577.  
  1578.   // continuous check for element relocation
  1579.   // fired at begining & window resize, etc
  1580.   function mtf_append_playlist() {
  1581.  
  1582.     /** @type {HTMLElement | null} */
  1583.     let ytdFlexyElm = kRef(ytdFlexy);
  1584.     if (!scriptEnable || !ytdFlexyElm) return;
  1585.  
  1586.     /** @type {HTMLElement | null} */
  1587.     const rootElement = Q.mutationTarget || ytdFlexyElm;
  1588.  
  1589.     let ple1 = querySelectorFromAnchor.call(rootElement,"*:not(#ytd-userscript-playlist) > ytd-playlist-panel-renderer#playlist");
  1590.     if (ple1) {
  1591.       let ct = Date.now();
  1592.       let truePlaylist = null;
  1593.       let truePlaylist_items = document.querySelector('ytd-playlist-panel-renderer#playlist #items:not(:empty)');
  1594.       if (truePlaylist_items) {
  1595.  
  1596.         let truePlaylist = closestDOM.call(truePlaylist_items, '#playlist');
  1597.         if(!truePlaylist || truePlaylist.nodeType!==1) truePlaylist = null;
  1598.         else {
  1599.           truePlaylist.setAttribute('tabview-true-playlist', ct)
  1600.         }
  1601.  
  1602.       }
  1603.  
  1604.       if (!truePlaylist) truePlaylist = ple1; // NOT NULL
  1605.  
  1606.       for (const s of document.querySelectorAll(`*:not(#ytd-userscript-playlist) > ytd-playlist-panel-renderer#playlist:not([tabview-true-playlist="${ct}"])`)){
  1607.         elementRemove.call(s);
  1608.       }
  1609.         
  1610.  
  1611.       let $wrapper = getWrapper('ytd-userscript-playlist')
  1612.       $wrapper.append(truePlaylist).appendTo(document.querySelector("#tab-list"));
  1613.       truePlaylist.setAttribute('data-dom-changed-by-tabview-youtube', scriptVersionForExternal)
  1614.       setDisplayedPlaylist(); // relocation after re-layout
  1615.  
  1616.       requestAnimationFrame(() => {
  1617.         let ytdFlexyElm = kRef(ytdFlexy);
  1618.         if (!scriptEnable || !ytdFlexyElm) return;
  1619.         if (!switchTabActivity_lastTab && (ytdFlexyElm.getAttribute('tabview-selection') + '').indexOf('#tab-') === 0 && /https\:\/\/www\.youtube\.com\/watch.*[\?\&]list=[\w\-\_]+/.test(location.href)) {
  1620.           if (setToActiveTab('#tab-list')) switchTabActivity_lastTab = '#tab-list';
  1621.         }
  1622.       })
  1623.  
  1624.     }
  1625.   }
  1626.  
  1627.  
  1628.   // content fix - info & playlist
  1629.   // fired at begining, and keep for in case any change
  1630.   function mtf_fix_details() {
  1631.  
  1632.     if (!scriptEnable) return;
  1633.  
  1634.     let date_now = Date.now()
  1635.  
  1636.     if(no_fix_contents_until<date_now){
  1637.  
  1638.       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])')
  1639.  
  1640.       if(contentToggleBtn){
  1641.   
  1642.         no_fix_contents_until = date_now + 39;
  1643.         timeline.setTimeout(function() {
  1644.           const domElement = contentToggleBtn;
  1645.           contentToggleBtn = null;
  1646.           // if(!domElement.parentElement) return; // not working in pseudo custom element - parentNode = documentFragment
  1647.           const expander = closestDOM.call(domElement, 'ytd-watch-flexy #tab-info ytd-expander')
  1648.   
  1649.           if(!expander || expander.nodeType!==1) return; // checking whether it is still on the page
  1650.           if(expander.style.getPropertyValue('--ytd-expander-collapsed-height')){
  1651.             expander.style.setProperty('--ytd-expander-collapsed-height','')
  1652.           }
  1653.           nativeCall(expander, [
  1654.             {'property':'canToggleJobId','value':1}, // false disable calculateCanCollapse in childrenChanged
  1655.             {'property':'alwaysToggleable','value':false}, // this is checked in childrenChanged
  1656.             {'property':'recomputeOnResize','value':false}, // no need to check toggleable
  1657.             {'property':'isToggled','value':true}, // show full content
  1658.             {'property':'canToggle','value':false}, // hide show more or less btn
  1659.             {'property':'collapsedHeight','value':999999} // disable collapsed height check
  1660.           ])
  1661.   
  1662.         }, 40);
  1663.       }
  1664.  
  1665.     }
  1666.  
  1667.  
  1668.     if(no_fix_playlist_until<date_now){
  1669.  
  1670.  
  1671.       // just in case the playlist is collapsed
  1672.       let playlist = document.querySelector('#tab-list ytd-playlist-panel-renderer#playlist')
  1673.       if(playlist.matches('[collapsed], [collapsible]')) {
  1674.         no_fix_playlist_until=  date_now + 39;
  1675.         timeline.setTimeout(function() {
  1676.           const domElement = playlist;
  1677.           playlist = null;
  1678.           // if(!domElement.parentElement || domElement.nodeType!==1) return; // not working in pseudo custom element - parentNode = documentFragment
  1679.           const tablist = closestDOM.call(domElement, 'ytd-watch-flexy #tab-list')
  1680.   
  1681.           if(!tablist || tablist.nodeType!==1) return; // checking whether it is still on the page
  1682.  
  1683.           if (domElement.hasAttribute('collapsed')) wAttr(domElement, 'collapsed', false);
  1684.           if (domElement.hasAttribute('collapsible')) wAttr(domElement, 'collapsible', false);
  1685.         }, 40)
  1686.       }
  1687.  
  1688.  
  1689.     }
  1690.  
  1691.  
  1692.   }
  1693.  
  1694.  
  1695.  
  1696.   function isNullComments() {
  1697.  
  1698.     let comments = document.querySelector('ytd-comments#comments')
  1699.     if (!comments || comments.hasAttribute('hidden')) return true;
  1700.  
  1701.   }
  1702.  
  1703.   function _innerCommentsLoader( /** @type {HTMLElement} */ rootElement) {
  1704.  
  1705.     /** @type {HTMLElement | null} */
  1706.     let ytdFlexyElm = kRef(ytdFlexy);
  1707.     if (!scriptEnable || !ytdFlexyElm) return;
  1708.     
  1709.     if (deferredVarYTDHidden) return;
  1710.  
  1711.  
  1712.     let messageElm, messageStr, commentRenderer;
  1713.     let diffCSS = `[tabview-cache-time="${sect_hTime}"]`
  1714.  
  1715.     //console.log(823100,rootElement)
  1716.  
  1717.     if (commentRenderer = querySelectorFromAnchor.call(rootElement,`ytd-comments#comments #count.ytd-comments-header-renderer:not(${diffCSS})`)) {
  1718.  
  1719.       scheduledCommentRefresh=false;
  1720.       let eTime = Date.now();
  1721.  
  1722.       sect_holder = mWeakRef(commentRenderer);
  1723.       sect_hText = commentRenderer.textContent;
  1724.       sect_hTime = eTime;
  1725.       commentRenderer.setAttribute('tabview-cache-time', eTime);
  1726.  
  1727.       return {
  1728.         status: 1,
  1729.         f: () => {
  1730.  
  1731.           let span = document.querySelector("span#tab3-txt-loader")
  1732.           let r = '0';
  1733.           let txt = commentRenderer.textContent
  1734.           if (typeof txt == 'string') {
  1735.             let m = txt.match(/[\d\,\s]+/)
  1736.             if (m) {
  1737.               r = m[0].trim()
  1738.  
  1739.  
  1740.             }
  1741.           }
  1742.           
  1743.           if (span){
  1744.  
  1745.             let tab_btn = closestDOM.call(span,'.tab-btn[userscript-tab-content="#tab-comments"]')
  1746.             if(tab_btn)tab_btn.setAttribute('loaded-comment','normal')
  1747.             span.textContent = r;
  1748.           } 
  1749.           //console.log(754)
  1750.           mtoInterval = mtoInterval2;
  1751.           scheduledCommentRefresh=false;
  1752.           setCommentSection(1);
  1753.           comments_section_loaded_elm = mWeakRef(document.querySelector('ytd-comments#comments div#contents'))
  1754.         }
  1755.       }
  1756.  
  1757.     } else if ((messageElm = querySelectorFromAnchor.call(rootElement,`ytd-item-section-renderer#sections #header ~ #contents > ytd-message-renderer:not(${diffCSS})`)) && (messageStr = (messageElm.textContent || '').trim())) { //ytd-message-renderer
  1758.       // it is possible to get the message before the header generation.
  1759.       // sample link - https://www.youtube.com/watch?v=PVUZ8Nvr1ic
  1760.       // sample link - https://www.youtube.com/watch?v=yz8AiQc1Bk8
  1761.  
  1762.       scheduledCommentRefresh=false;
  1763.       let eTime = Date.now();
  1764.  
  1765.       sect_holder = mWeakRef(messageElm);
  1766.       sect_hText = messageElm.textContent;
  1767.       sect_hTime = eTime;
  1768.       messageElm.setAttribute('tabview-cache-time', eTime);
  1769.  
  1770.       return {
  1771.         status: 2,
  1772.         f: () => {
  1773.           timeline.setTimeout(function() {
  1774.             let span = document.querySelector("span#tab3-txt-loader")
  1775.             const mainMsg = querySelectorFromAnchor.call(messageElm,'#message, #submessage')
  1776.             if (mainMsg && mainMsg.textContent) {
  1777.               for (const msg of querySelectorAllFromAnchor.call(mainMsg,'*:not(:empty)')) {
  1778.                 if (msg.childElementCount === 0 && msg.textContent) {
  1779.                   messageStr = msg.textContent.trim()
  1780.                   break
  1781.                 }
  1782.               }
  1783.             }
  1784.             if (span){
  1785.               let tab_btn = closestDOM.call(span,'.tab-btn[userscript-tab-content="#tab-comments"]')
  1786.               if(tab_btn)tab_btn.setAttribute('loaded-comment','message')
  1787.               span.textContent ='\u200B';
  1788.             } 
  1789.             mtoInterval = mtoInterval2;
  1790.             scheduledCommentRefresh=false;
  1791.             setCommentSection(1);
  1792.             comments_section_loaded_elm = mWeakRef(document.querySelector('ytd-comments#comments div#contents'))
  1793.           }, 40);
  1794.         }
  1795.       }
  1796.  
  1797.     }
  1798.  
  1799.   }
  1800.  
  1801.   const atChange = async ()=>{
  1802.  
  1803.     // call when video change / popstate change / switch back from mini-view
  1804.  
  1805.     let ytdFlexyElm = kRef(ytdFlexy);
  1806.     if(!ytdFlexyElm) return;
  1807.  
  1808.     mtf_forceCheckLiveVideo_disable = 0; 
  1809.     mtf_forceCheckLiveVideo();
  1810.  
  1811.     if(Q.comments_section_loaded===0){
  1812.  
  1813.       const tabBtn = document.querySelector('[userscript-tab-content="#tab-comments"].tab-btn-hidden')
  1814.       if(tabBtn) {
  1815.         tabBtn.classList.remove("tab-btn-hidden") //if contains
  1816.       }
  1817.  
  1818.     }
  1819.   }
  1820.  
  1821.  
  1822.  
  1823.   function hookSection(){
  1824.  
  1825.  
  1826.     //console.log(3300)
  1827.  
  1828.     let ytdFlexyElm = kRef(ytdFlexy);
  1829.     if (!scriptEnable || !ytdFlexyElm) return ;
  1830.  
  1831.     const comments = querySelectorFromAnchor.call(ytdFlexyElm,'ytd-comments#comments')
  1832.     if (!comments) return ;
  1833.  
  1834.     if(deferredVarYTDHidden) return;
  1835.  
  1836.     //console.log(3310)
  1837.  
  1838.     //new MutationObserver(function(){console.log(comments.querySelectorAll('*').length)}).observe(comments,{ attributes: true, childList: true, subtree: true })
  1839.     
  1840.  
  1841.     function foundSection(sections){
  1842.  
  1843.       
  1844.       //console.log(3320)
  1845.  
  1846.       function ulfx() {
  1847.         //console.log(1220)
  1848.  
  1849.  
  1850.         const rootElement = comments.parentNode
  1851.  
  1852.  
  1853.         if (pendingOne && querySelectorAllFromAnchor.call(comments,'[tabview-cache-time]').length > 1) return;
  1854.         pendingOne = false;
  1855.         if(!rootElement) return; //prevent unknown condition
  1856.         
  1857.  
  1858.  
  1859.         let innerCommentsLoaderRet = _innerCommentsLoader(rootElement);
  1860.  
  1861.         //console.log(1222,_innerCommentsLoader)
  1862.  
  1863.         if (!innerCommentsLoaderRet) {  //unable to get the status
  1864.  
  1865.  
  1866.           let holder = kRef(sect_holder);
  1867.           //if (holder && comments.contains(holder)) {
  1868.           if (holder && elementContains.call(comments,holder)) {  // previous status in page
  1869.  
  1870.             if (sect_lastUpdate) return;
  1871.             sect_lastUpdate = 1;
  1872.  
  1873.             timeline.setTimeout(function() {
  1874.               //console.log(2633)
  1875.               if (holder.textContent !== sect_hText && sect_hTime > 0) {
  1876.  
  1877.                 if (querySelectorAllFromAnchor.call(comments,'[tabview-cache-time]').length === 1) {
  1878.  
  1879.                   sect_hTime--;
  1880.  
  1881.                   let innerCommentsLoaderRet = _innerCommentsLoader(rootElement);
  1882.  
  1883.                   if (innerCommentsLoaderRet) {
  1884.                     //console.log(9442)
  1885.                     innerCommentsLoaderRet.f();
  1886.                     fetchCommentsFinished();
  1887.                   }
  1888.  
  1889.                   pendingOne = false;
  1890.  
  1891.                 }
  1892.  
  1893.  
  1894.               }
  1895.               sect_lastUpdate = 0
  1896.             }, 400)
  1897.  
  1898.           } else if (sect_holder) { //previous status not in page but we have the previous text
  1899.             sect_holder = null
  1900.             sect_hTime = 0;
  1901.             sect_lastUpdate = 0;
  1902.             pendingOne = false;
  1903.             timeline.setTimeout(()=>{
  1904.               if(!deferredVarYTDHidden && scheduledCommentRefresh && Q.comments_section_loaded>0 && comments.hasAttribute('hidden')){
  1905.  
  1906.                 scheduledCommentRefresh=false; // logic tbc
  1907.                 resetCommentSection();
  1908.                 
  1909.               }
  1910.             },142);
  1911.             
  1912.             //Q.mutationTarget=null;
  1913.             //console.log(87103)
  1914.             // try to omit in 2.5.x
  1915.             //FP.mtf_attrComments(); // in case for popstate
  1916.           }
  1917.  
  1918.  
  1919.         } else {
  1920.  
  1921.           //console.log(9443)
  1922.           innerCommentsLoaderRet.f();
  1923.           fetchCommentsFinished();
  1924.  
  1925.           pendingOne = true;
  1926.  
  1927.         }
  1928.  
  1929.  
  1930.  
  1931.       }
  1932.  
  1933.       function observerHook(mutationsList, observer){
  1934.  
  1935.         let valid = false
  1936.         for (const mutation of mutationsList) {
  1937.  
  1938.           let target = mutation.target;
  1939.           if (!target) break;
  1940.           if (!target.id) break;
  1941.           let classList = target.classList;
  1942.  
  1943.  
  1944.           if (
  1945.             classList.contains('ytd-item-section-renderer') ||
  1946.             classList.contains('ytd-comments-header-renderer') ||
  1947.             classList.contains('ytd-message-renderer')) {
  1948.             valid = true
  1949.             break;
  1950.           }
  1951.  
  1952.           break; // only outest mutation
  1953.  
  1954.  
  1955.         }
  1956.         if (valid) ulfx();
  1957.       }
  1958.  
  1959.       
  1960.       if(sections.hasAttribute('tabview-comment-section-checked')){
  1961.  
  1962.         //console.log(3612)
  1963.         ulfx();
  1964.         
  1965.  
  1966.       }else{
  1967.  
  1968.         pendingOne = false;
  1969.         //console.log(3611)
  1970.         const observer = new MutationObserver(observerHook)
  1971.         sections.setAttribute('tabview-comment-section-checked','')
  1972.         const config = { childList: true, subtree: true }; 
  1973.         observer.observe(sections, config);
  1974.         ulfx();
  1975.  
  1976.  
  1977.       }
  1978.  
  1979.  
  1980.  
  1981.     }
  1982.     //console.log(3241, location.href)
  1983.     
  1984.     //console.log('cid_render_section',1)
  1985.     let cid_render_section = timeline.setInterval(function() {
  1986.  
  1987.      // console.log(3244, location.href)
  1988.  
  1989.  
  1990.       const rootElement = comments.parentNode
  1991.  
  1992.       let sections = querySelectorFromAnchor.call(rootElement,'ytd-comments#comments > ytd-item-section-renderer#sections');
  1993.  
  1994.  
  1995.       if (sections) {
  1996.  
  1997.         //console.log('cid_render_section',0)
  1998.         timeline.clearInterval(cid_render_section);
  1999.         foundSection(sections);
  2000.  
  2001.       }
  2002.  
  2003.     }, 30)
  2004.  
  2005.  
  2006.  
  2007.   }
  2008.  
  2009.  
  2010.   let mtc_store=0;
  2011.   let mtc_cid = 0;
  2012.   const cssOnceFunc = {
  2013.     [`ytd-comments#comments:not([o3r-${sa_comments}])`]:(comments)=>{
  2014.       
  2015.       // once per {ytd-comments#comments} detection
  2016.  
  2017.       let ytdFlexyElm = kRef(ytdFlexy);
  2018.       if (!scriptEnable || !ytdFlexyElm) return;
  2019.  
  2020.       if (!comments) return;
  2021.  
  2022.  
  2023.  
  2024.  
  2025.       if(mtoVisibility_Comments.bindElement(comments)){
  2026.         mtoVisibility_Comments.observer.check(9);
  2027.       }
  2028.       
  2029.       pageInit_attrComments = true
  2030.       hookSection();
  2031.  
  2032.       //let dComments = comments
  2033.       //timeline.setTimeout(() => nativeFunc(dComments, "loadComments"), 20)
  2034.       //comments = null;
  2035.  
  2036.     },
  2037.     [`ytd-playlist-panel-renderer#playlist:not([o3r-${sa_playlist}])`]:(playlist)=>{
  2038.  
  2039.         // once per {ytd-playlist-panel-renderer#playlist} detection
  2040.  
  2041.         let ytdFlexyElm = kRef(ytdFlexy);
  2042.         if (!scriptEnable || !ytdFlexyElm) return;
  2043.  
  2044.         if (!playlist) return;
  2045.  
  2046.         if(mtoVisibility_Playlist.bindElement(playlist)){
  2047.           mtoVisibility_Playlist.observer.check(9)  //delay check required for browser bug - hidden changed not triggered 
  2048.         }
  2049.         playlist = null;
  2050.  
  2051.         return;
  2052.  
  2053.     },
  2054.     '#meta-contents ytd-expander:not([tabview-info-expander])':(expander)=>{
  2055.  
  2056.         // once per $$native-info-description$$ {#meta-contents ytd-expander} detection
  2057.  
  2058.         let ytdFlexyElm = kRef(ytdFlexy);
  2059.         if (!scriptEnable || !ytdFlexyElm) return ;
  2060.  
  2061.         if (!expander) return ;
  2062.         expander.setAttribute('tabview-info-expander','')
  2063.         $(expander).appendTo("#tab-info").attr('data-dom-changed-by-tabview-youtube', scriptVersionForExternal)
  2064.   
  2065.   
  2066.  
  2067.     },
  2068.     '#description-and-actions.style-scope.ytd-watch-metadata > #description ytd-text-inline-expander:not([tabview-removed-duplicate])': (teaserInfo)=>{
  2069.  
  2070.  
  2071.       // for Teaser UI
  2072.       // once per {#description-and-actions.style-scope.ytd-watch-metadata > #description > ytd-text-inline-expander} detection
  2073.  
  2074.       let ytdFlexyElm = kRef(ytdFlexy);
  2075.       if (!scriptEnable || !ytdFlexyElm) return ;
  2076.       let addedInfo = document.querySelector('#tab-info ytd-expander[tabview-info-expander]');
  2077.  
  2078.       if(!addedInfo) return;
  2079.  
  2080.       if(!document.documentElement.hasAttribute('tabview-injection-js-1-ready')) return;
  2081.  
  2082.       teaserInfo.setAttribute('tabview-removed-duplicate','')
  2083.  
  2084.  
  2085.       teaserInfo.dispatchEvent(new CustomEvent('tabview-no-duplicate-info'))
  2086.       //console.log(56)
  2087.  
  2088.     }
  2089.   }
  2090.   const cssOnce = Object.keys(cssOnceFunc).join(', ')
  2091.  
  2092.   const regularCheck = (addP, removeP, mutationTarget)=>{
  2093.  
  2094.  
  2095.     let isInvalidAdding = mutationTarget && !mutationTarget.parentNode
  2096.  
  2097.       
  2098.     let promisesForAddition = !scriptEnable ? [] : addP > 0 && !isInvalidAdding ? [
  2099.  
  2100.         (async () => {
  2101.  
  2102.           
  2103.           //$callOnce('mtf_checkFlexy');
  2104.  
  2105.           const rootElement = Q.mutationTarget || kRef(ytdFlexy);
  2106.  
  2107.           if(rootElement){
  2108.  
  2109.             let fElms = querySelectorAllFromAnchor.call(rootElement,cssOnce)
  2110.             if(fElms.length>0){
  2111.  
  2112.               for(const fElm of fElms){
  2113.                 for(let cssSelctor in cssOnceFunc){
  2114.                   if(fElm.matches(cssSelctor)){
  2115.                     let f= cssOnceFunc[cssSelctor]
  2116.                     if(typeof f=='function') f(fElm);
  2117.                     break;
  2118.                   }
  2119.  
  2120.                 }
  2121.               }
  2122.  
  2123.               //$callOnce('mtf_initalAttr_comments');
  2124.               //$callOnce('mtf_initalAttr_playlist');
  2125.               // $callOnce('mtf_checkDescriptionLoaded');
  2126.             }
  2127.  
  2128.           }
  2129.  
  2130.         })(),
  2131.     
  2132.         (async () => {
  2133.  
  2134.  
  2135.           FP.mtf_initalAttr_chatroom();
  2136.           FP.mtf_initalAttr_engagement_panel();
  2137.           
  2138.           //$callOnce('mtf_initalAttr_chatroom');
  2139.          // $callOnce('mtf_initalAttr_engagement_panel');
  2140.  
  2141.           mtf_forceCheckLiveVideo();
  2142.             mtf_append_comments();
  2143.             mtf_liveChatBtnF();
  2144.             fixTabs();
  2145.             mtf_AfterFixTabs();
  2146.             mtf_append_playlist();
  2147.  
  2148.         })()
  2149.  
  2150.     ] : [];
  2151.     
  2152.   
  2153.     
  2154.     let promisesForEveryMutation = !scriptEnable ? [] : [
  2155.         (async () => {
  2156.             mtf_fix_details();
  2157.             mtf_ChatExist();
  2158.         })()
  2159.     ];
  2160.  
  2161.     return [...promisesForAddition, ...promisesForEveryMutation]
  2162.  
  2163.  
  2164.   }
  2165.  
  2166.   function setOnlyOneEPanel(ePanel){
  2167.  
  2168.     layoutStatusMutex.lockWith(unlock => {
  2169.  
  2170.       let cPanels = engagement_panels_();
  2171.       for (const entry of cPanels.list) {
  2172.         if (entry.ePanel != ePanel && entry.visible) ytBtnCloseEngagementPanel(entry.ePanel);
  2173.       }
  2174.       setTimeout(unlock, 30)
  2175.  
  2176.     })
  2177.  
  2178.   }
  2179.  
  2180.   const FP = {
  2181.  
  2182.     mtoNav_delayedF: () => {
  2183.  
  2184.       let { addP, removeP, mutationTarget } = Q;
  2185.  
  2186.       Q.addP = 0;
  2187.       Q.removeP = 0;
  2188.       
  2189.       mtc_store=Date.now()+1870
  2190.  
  2191.  
  2192.       let regularChecks = regularCheck(addP, removeP, mutationTarget);
  2193.  
  2194.       Promise.all(regularChecks).then(() => {
  2195.         regularChecks = null;
  2196.         
  2197.         mtc_store= Date.now() + 3870 // pending Comments start to load
  2198.         
  2199.         Q.mutationTarget = null;
  2200.  
  2201.         Q.mtoNav_requestNo--;
  2202.         //console.log('motnav reduced to', mtoNav_requestNo)
  2203.         if (Q.mtoNav_requestNo > 0) {
  2204.           Q.mtoNav_requestNo = 1;
  2205.           setTimeout(FP.mtoNav_delayedF, mtoInterval);
  2206.         }
  2207.       })
  2208.  
  2209.  
  2210.     },
  2211.  
  2212.     mtoNavF: ( /** @type {MutationRecord[]} */ mutations,  /** @type {MutationObserver} */   observer) => {
  2213.       //subtree DOM mutation checker - {ytd-watch-flexy} \single \subtree
  2214.  
  2215.       newVideoPageCheck()
  2216.  
  2217.       if (!scriptEnable) return;
  2218.       if (deferredVarYTDHidden) return;
  2219.  
  2220.       let ch = false;
  2221.  
  2222.       let reg = [];
  2223.       let dTarget = null;
  2224.  
  2225.       let wAddP = 0,
  2226.         wRemoveP = 0;
  2227.  
  2228.       let _last_mto_target = null;
  2229.       let _last_mto_target_valid = null;
  2230.  
  2231.       for (const mutation of mutations) {
  2232.         if (!mutation || !mutation.target || !mutation.target.parentNode) continue;
  2233.  
  2234.         let elementalMutation = false;
  2235.         let tAddP = 0,
  2236.           tRemoveP = 0;
  2237.  
  2238.         for (const addedNode of mutation.addedNodes) { //theoretically faster: only reading of states
  2239.           if (addedNode.nodeType === 1) {
  2240.             tAddP++;
  2241.             elementalMutation = true;
  2242.           }
  2243.         }
  2244.  
  2245.         for (const removedNode of mutation.removedNodes) { //theoretically faster: only reading of states
  2246.           if (removedNode.nodeType === 1) {
  2247.             tRemoveP++;
  2248.             elementalMutation = true;
  2249.           }
  2250.         }
  2251.  
  2252.         if (elementalMutation) { //skip all addition and removal operations without elemental changes (e.g. textNode modification)
  2253.  
  2254.           if (_last_mto_target === mutation.target) {
  2255.             // due to addition and removal operations to the same DOM
  2256.             if (_last_mto_target_valid) {
  2257.               // AddP & RemoveP is still valid
  2258.               wAddP += tAddP;
  2259.               wRemoveP += tRemoveP;
  2260.             }
  2261.             continue;
  2262.           }
  2263.           _last_mto_target = mutation.target;
  2264.  
  2265.           if (isMtoTargetSkip(mutation)) {
  2266.             _last_mto_target_valid = false;
  2267.             continue; //theoretically slower: creation of string variables
  2268.           } else {
  2269.             _last_mto_target_valid = true;
  2270.             wAddP += tAddP;
  2271.             wRemoveP += tRemoveP;
  2272.           }
  2273.  
  2274.  
  2275.  
  2276.           ch = true;
  2277.  
  2278.           reg.push(mutation);
  2279.  
  2280.           if (dTarget === null) dTarget = mutation.target; //first
  2281.           else if (dTarget === true) {} //ytdFlexy
  2282.           else if ( elementContains.call(dTarget, mutation.target)) {} //first node is the container to all subsequential targets
  2283.           else { dTarget = true; } //the target is not the child of first node
  2284.  
  2285.         }
  2286.  
  2287.       }
  2288.  
  2289.       if (!ch) return; // dTarget must be true OR HTMLElement
  2290.  
  2291.       if (dTarget === true) dTarget = kRef(ytdFlexy); // major mutation occurance
  2292.       else if (dTarget === kRef(comments_section_loaded_elm) && wAddP > wRemoveP) return true; // ignore if comments are loaded (adding comments)
  2293.       else if (isMtoOverallSkip(dTarget)) return; // allow for multiple mutations at the same time - determinated after looping
  2294.  
  2295.  
  2296.  
  2297.       // 4 ~ 16 times per full page loading
  2298.  
  2299.       Q.addP += wAddP;
  2300.       Q.removeP += wRemoveP;
  2301.  
  2302.       if (Q.mutationTarget === null) Q.mutationTarget = dTarget;
  2303.       else if (Q.mutationTarget != dTarget) Q.mutationTarget = kRef(ytdFlexy);
  2304.  
  2305.       //console.log(prettyElm(dTarget), wAddP , wRemoveP, mtoInterval)
  2306.       //console.log(prettyElm(dTarget), reg.map(m=>prettyElm(m.target)))
  2307.       //console.log(7015, performance.now())
  2308.  
  2309.  
  2310.  
  2311.       Q.mtoNav_requestNo++;
  2312.       if (Q.mtoNav_requestNo == 1) setTimeout(FP.mtoNav_delayedF, mtoInterval);
  2313.  
  2314.     },
  2315.  
  2316.  
  2317.     mtoBodyF: ( /** @type {MutationRecord[]} */ mutations,  /** @type {MutationObserver} */   observer) => {
  2318.       //subtree DOM mutation checker - {body} \single \subtree
  2319.  
  2320.       if (!scriptEnable) return;
  2321.       if (deferredVarYTDHidden) return;
  2322.  
  2323.       for (const mutation of mutations) {
  2324.         for (const addedNode of mutation.addedNodes)
  2325.           if (addedNode.nodeType === 1) {
  2326.             if (addedNode.nodeName == "DIV" && addedNode.matches('.autocomplete-suggestion:not([autocomplete-disable-updatesc])') ) {
  2327.               mtf_fixAutoCompletePosition(addedNode)
  2328.             }else if(addedNode.nodeName == "DIV" && (addedNode.id==='lyricscontainer' || addedNode.id==='showlyricsbutton')){
  2329.  
  2330.               goYoutubeGeniusLyrics();
  2331.  
  2332.             }
  2333.           }
  2334.       }
  2335.  
  2336.     },
  2337.  
  2338.     mtf_attrPlaylist: (attrName, newValue) => {
  2339.       //attr mutation checker - {ytd-playlist-panel-renderer#playlist} \single
  2340.       //::attr ~ hidden    
  2341.       //console.log(1210)
  2342.  
  2343.       if (!scriptEnable) return;
  2344.       if (deferredVarYTDHidden) return;
  2345.       let cssElm = kRef(ytdFlexy);
  2346.       if (!cssElm) return;
  2347.  
  2348.       let playlist = document.querySelector('ytd-playlist-panel-renderer#playlist')
  2349.       const tabBtn = document.querySelector('[userscript-tab-content="#tab-list"]');
  2350.       let isPlaylistHidden = playlist.hasAttribute('hidden')
  2351.       //console.log(1212.2, isPlaylistHidden, playlist.getAttribute('hidden'))
  2352.       if (tabBtn) {
  2353.         //console.log('attr playlist changed')
  2354.         if (tabBtn.classList.contains('tab-btn-hidden') && !isPlaylistHidden) {
  2355.           //console.log('attr playlist changed - no hide')
  2356.           tabBtn.classList.remove("tab-btn-hidden");
  2357.         } else if (!tabBtn.classList.contains('tab-btn-hidden') && isPlaylistHidden) {
  2358.           //console.log('attr playlist changed - add hide')
  2359.           hideTabBtn(tabBtn);
  2360.         }
  2361.       }
  2362.       /* visible layout for triggering hidden removal */
  2363.       akAttr(cssElm, 'tabview-youtube-playlist', isPlaylistHidden);
  2364.     },
  2365.     mtf_attrComments: (attrName, newValue) => {
  2366.       //attr mutation checker - {ytd-comments#comments} \single
  2367.       //::attr ~ hidden
  2368.  
  2369.       let ytdFlexyElm = kRef(ytdFlexy);
  2370.       if (!scriptEnable || !ytdFlexyElm) return;
  2371.       if (deferredVarYTDHidden) return;
  2372.  
  2373.       let comments = document.querySelector('ytd-comments#comments')
  2374.       const tabBtn = document.querySelector('[userscript-tab-content="#tab-comments"]');
  2375.       if (!comments || !tabBtn) return;
  2376.       let isCommentHidden = comments.hasAttribute('hidden')
  2377.       //console.log('attr comments changed')
  2378.  
  2379.       mtoInterval = mtoInterval1;
  2380.       
  2381.       mtc_store=Date.now()+2870
  2382.  
  2383.       if( mtf_forceCheckLiveVideo_disable === 2 ){
  2384.  
  2385.       }else if (!isCommentHidden) {
  2386.         
  2387.  
  2388.         akAttr(ytdFlexyElm, 'tabview-youtube-comments', false, 'K');
  2389.  
  2390.  
  2391.  
  2392.         //console.log('attr comments changed - no hide')
  2393.         tabBtn.classList.remove("tab-btn-hidden") //if contains
  2394.  
  2395.             
  2396.         
  2397.         //console.log(703)
  2398.  
  2399.         mtc_cid&&timeline.clearInterval(mtc_cid);
  2400.  
  2401.       } else if (isCommentHidden) {
  2402.  
  2403.         akAttr(ytdFlexyElm, 'tabview-youtube-comments', true, 'K'); 
  2404.         
  2405.         timeline.setTimeout(function(){
  2406.           if(!deferredVarYTDHidden && scheduledCommentRefresh && Q.comments_section_loaded>0 && comments.hasAttribute('hidden')){
  2407.             //console.log(3434)
  2408.             scheduledCommentRefresh=false;  //logic tbc
  2409.             resetCommentSection();
  2410.             //console.log(8022)
  2411.           }
  2412.         },142)
  2413.  
  2414.  
  2415.         if(!mtc_cid) mtc_cid=timeline.setInterval(()=>{
  2416.           if(mtc_store>Date.now()) return;
  2417.             timeline.clearInterval(mtc_cid)
  2418.             mtc_cid=0;
  2419.             if(mtf_forceCheckLiveVideo_disable===2)return;
  2420.             if(isNullComments()) _disableComments();
  2421.  
  2422.         },80)
  2423.  
  2424.       }
  2425.  
  2426.  
  2427.     },
  2428.  
  2429.  
  2430.     mtf_attrChatroom: (attrName, newValue) => {
  2431.       //attr mutation checker - {ytd-live-chat-frame#chat} \single
  2432.       //::attr ~ collapsed
  2433.  
  2434.       let ytdFlexyElm = kRef(ytdFlexy);
  2435.       if (!scriptEnable || !ytdFlexyElm) return;
  2436.       if (deferredVarYTDHidden) return;
  2437.  
  2438.       layoutStatusMutex.lockWith(unlock => {
  2439.  
  2440.         const chatBlock = document.querySelector('ytd-live-chat-frame#chat')
  2441.         const cssElm = kRef(ytdFlexy)
  2442.  
  2443.         if (!chatBlock || !cssElm) {
  2444.           unlock();
  2445.           return;
  2446.         }
  2447.  
  2448.         if (deferredVarYTDHidden) {
  2449.           unlock();
  2450.           return;
  2451.         }
  2452.  
  2453.         if (!cssElm.hasAttribute('userscript-chatblock')) wAttr(cssElm, 'userscript-chatblock', true);
  2454.         let isCollapsed = !!chatBlock.hasAttribute('collapsed');
  2455.         wAttr(cssElm, 'userscript-chat-collapsed', isCollapsed);
  2456.  
  2457.         if (cssElm.hasAttribute('userscript-chatblock') && !isCollapsed) lastShowTab = '#chatroom';
  2458.  
  2459.         if (!isCollapsed && document.querySelector('#right-tabs .tab-btn.active') && isWideScreenWithTwoColumns() && !isTheater()) {
  2460.           switchTabActivity(null);
  2461.           timeline.setTimeout(unlock, 40);
  2462.         } else {
  2463.           unlock();
  2464.         }
  2465.  
  2466.         if (!isCollapsed) {
  2467.           runAfterExpandChat();
  2468.         } else {
  2469.           chatBlock.removeAttribute('yt-userscript-iframe-loaded');
  2470.         }
  2471.  
  2472.       })
  2473.  
  2474.  
  2475.  
  2476.  
  2477.     },
  2478.  
  2479.     mtf_attrEngagementPanel: ( /** @type {MutationRecord[]} */ mutations,  /** @type {MutationObserver} */   observer) => {
  2480.       //attr mutation checker - {ytd-engagement-panel-section-list-renderer} \mutiple
  2481.       //::attr ~ visibility
  2482.  
  2483.       let ytdFlexyElm = kRef(ytdFlexy);
  2484.       if (!scriptEnable || !ytdFlexyElm) return;
  2485.  
  2486.       //multiple instance
  2487.       if (mutations) {
  2488.         for (const mutation of mutations) {
  2489.           let ePanel = mutation.target;
  2490.           if (ePanel.getAttribute('visibility') == 'ENGAGEMENT_PANEL_VISIBILITY_EXPANDED') {
  2491.             setOnlyOneEPanel(ePanel);
  2492.             break;
  2493.           }
  2494.         }
  2495.       }
  2496.       if (deferredVarYTDHidden) return;
  2497.  
  2498.       layoutStatusMutex.lockWith(unlock => {
  2499.  
  2500.         const ePanel = document.querySelector('ytd-watch-flexy ytd-engagement-panel-section-list-renderer')
  2501.         const cssElm = kRef(ytdFlexy)
  2502.  
  2503.         if (!ePanel || !cssElm) {
  2504.           unlock();
  2505.           return;
  2506.         }
  2507.         let previousValue = +cssElm.getAttribute('userscript-engagement-panel') || 0;
  2508.  
  2509.         let { shownRes, value, count } = engagement_panels_();
  2510.         let nextValue = value;
  2511.         let nextCount = count;
  2512.  
  2513.  
  2514.         if (nextCount == 0 && cssElm.hasAttribute('userscript-engagement-panel')) {
  2515.           storeLastPanel=null;
  2516.           wAttr(cssElm, 'userscript-engagement-panel', false);
  2517.           unlock();
  2518.         } else {
  2519.  
  2520.           if ((nextCount > 1) || (cssElm.hasAttribute('userscript-engagement-panel') && previousValue === nextValue)) {
  2521.             unlock();
  2522.             return;
  2523.           }
  2524.  
  2525.           cssElm.setAttribute('userscript-engagement-panel', nextValue);
  2526.  
  2527.           let b = false;
  2528.           if (previousValue != nextValue && nextValue > 0) {
  2529.             lastShowTab = `#engagement-panel-${nextValue}`;
  2530.             b = true;
  2531.             storeLastPanel = mWeakRef( shownRes[0])
  2532.             //console.log(9999, shownRes[0])
  2533.           }
  2534.  
  2535.           if (b && document.querySelector('#right-tabs .tab-btn.active') && isWideScreenWithTwoColumns() && !isTheater()) {
  2536.             switchTabActivity(null);
  2537.             timeline.setTimeout(unlock, 40);
  2538.           } else {
  2539.             unlock();
  2540.           }
  2541.         }
  2542.  
  2543.       })
  2544.  
  2545.  
  2546.  
  2547.  
  2548.     },
  2549.  
  2550.     mtf_initalAttr_playlist: () => {
  2551.       
  2552.     },
  2553.  
  2554.     mtf_initalAttr_comments: () => {
  2555.       
  2556.     },
  2557.  
  2558.     mtf_initalAttr_chatroom: () => {
  2559.       // every per [new] {ytd-live-chat-frame#chat} detection - reset after mini-playview
  2560.       
  2561.       let ytdFlexyElm = kRef(ytdFlexy);
  2562.       if (!scriptEnable || !ytdFlexyElm) return true;
  2563.  
  2564.       const rootElement = Q.mutationTarget || ytdFlexyElm;
  2565.  
  2566.  
  2567.       if (!mgChatFrame.inPage()) {
  2568.  
  2569.         mtoVisibility_Chatroom.clear(true);
  2570.  
  2571.         let chatroom = querySelectorFromAnchor.call(rootElement,`ytd-live-chat-frame#chat:not([${sa_chatroom}]`)
  2572.         if (chatroom) {
  2573.           mgChatFrame.setVar(chatroom);
  2574.  
  2575.           //console.log(124,chatroom)
  2576.           if(mtoVisibility_Chatroom.bindElement(chatroom)){
  2577.             mtoVisibility_Chatroom.observer.check(9)
  2578.           }
  2579.  
  2580.           chatroom = null
  2581.         }
  2582.       }
  2583.       return true;
  2584.  
  2585.     },
  2586.  
  2587.     mtf_initalAttr_engagement_panel: () => {
  2588.       // every per $$non-checked-section-list$$ {ytd-watch-flexy ytd-engagement-panel-section-list-renderer:not([o3r-XXXXX])} detection
  2589.       
  2590.       let ytdFlexyElm = kRef(ytdFlexy);
  2591.       if (!scriptEnable || !ytdFlexyElm) return true;
  2592.  
  2593.       const rootElement = Q.mutationTarget || ytdFlexyElm;
  2594.  
  2595.       let toCheck = false;
  2596.       for (const engagement_panel of querySelectorAllFromAnchor.call(rootElement,
  2597.         `ytd-watch-flexy ytd-engagement-panel-section-list-renderer:not([o3r-${sa_epanel}])`
  2598.         )) {
  2599.  
  2600.  
  2601.  
  2602.         let bindRes = mtoVisibility_EngagementPanel.bindElement(engagement_panel, {
  2603.           attributes: true,
  2604.           attributeFilter: ['visibility'],
  2605.           attributeOldValue: true
  2606.         })
  2607.         
  2608.  
  2609.         if(bindRes) toCheck = true;
  2610.       }
  2611.  
  2612.       if (toCheck) FP.mtf_attrEngagementPanel()
  2613.  
  2614.       return true;
  2615.     },
  2616.  
  2617.  
  2618.  
  2619.     //live-chat / chat-replay
  2620.  
  2621.     fireOnce_forceCheckLiveVideo_tf: () => {
  2622.       // once per $$player-playback-timestamp$$ {#ytd-player .ytp-time-display} &&  $$chat-frame$$ {ytd-live-chat-frame#chat} detection
  2623.  
  2624.       let ytdFlexyElm = kRef(ytdFlexy);
  2625.       if (!scriptEnable || !ytdFlexyElm) return;
  2626.  
  2627.       let elm = document.querySelector('#ytd-player .ytp-time-display');
  2628.       if (elm && elm.classList.contains('ytp-live')) {
  2629.         //console.log(7006)
  2630.         ytdFlexyElm.setAttribute('userscript-chatblock', 'chat-live')
  2631.         //console.log(2441)
  2632.         mtf_forceCheckLiveVideo_disable = 2;
  2633.         
  2634.         _disableComments();
  2635.         
  2636.        //console.log(701)
  2637.         //disableComments_LiveChat();
  2638.       }
  2639.     },
  2640.  
  2641.     
  2642.  
  2643.     //comments
  2644. /*
  2645.     mtf_advancedComments: () => {
  2646.       // once per {ytd-comments#comments #continuations} detection
  2647.  
  2648.       //let ytdFlexyElm = kRef(ytdFlexy);
  2649.       //if (!scriptEnable || !ytdFlexyElm) return true;
  2650.  
  2651.       //const rootElement = Q.mutationTarget || ytdFlexyElm;
  2652.       //const continuations = document.querySelector("ytd-comments#comments #continuations");
  2653.       //if (!continuations) return true;
  2654.       //requestingComments = document.querySelector('ytd-comments#comments');
  2655.       //scrollForComments();
  2656.       return false;
  2657.     }
  2658.     */
  2659.  
  2660.  
  2661.   }
  2662.  
  2663.  
  2664.  
  2665.  
  2666.  
  2667.   /** @type {WeakRef | null} */ 
  2668.   let displayedPlaylist = null;
  2669.   
  2670.   /** @type {WeakRef | null} */ 
  2671.   let scrollingVideosList = null;
  2672.  
  2673.   let scriptEnable = false;
  2674.   let scriptEC = 0;
  2675.   let lastShowTab = null;
  2676.  
  2677.   let _cachedLastVideo = null;
  2678.   let videoListBeforeSearch = null;
  2679.   let no_fix_contents_until = 0;
  2680.   let no_fix_playlist_until = 0;
  2681.   let statusCollasped = 0;
  2682.  
  2683.   /** @type {WeakRef | null} */ 
  2684.   let ytdFlexy = null;
  2685.  
  2686.   function pluginUnhook() {
  2687.     _pluginUnhook();
  2688.     resetCommentSection();
  2689.   }
  2690.  
  2691.   function _pluginUnhook() {
  2692.  
  2693.     sect_lastUpdate = 0;
  2694.     sect_holder = null;
  2695.     sect_hTime = 0;
  2696.  
  2697.     //console.log(8001)
  2698.  
  2699.     videoListBeforeSearch = null;
  2700.     statusCollasped = 0;
  2701.     _cachedLastVideo = null;
  2702.     lastShowTab = null;
  2703.     displayedPlaylist = null;
  2704.     scrollingVideosList = null;
  2705.     scriptEnable = false;
  2706.     scriptEC++;
  2707.     if (scriptEC > 788888888) scriptEC = 188888888;
  2708.     ytdFlexy = null;
  2709.     wls.layoutStatus = null;
  2710.  
  2711.     //console.log('unc01')
  2712.  
  2713.     mtoVisibility_EngagementPanel.clear(true)
  2714.     mtoVisibility_Playlist.clear(true)
  2715.     mtoVisibility_Comments.clear(true)
  2716.  
  2717.     mgChatFrame.kVar = null;
  2718.     mtoVisibility_Chatroom.clear(true)
  2719.     mtoFlexyAttr.clear(true)
  2720.  
  2721.     
  2722.  
  2723.     for (const elem of document.querySelectorAll(
  2724.       ['ytd-expander[tabview-info-expander]'].join(', ')
  2725.       )) {
  2726.         elem.removeAttribute('tabview-info-expander');
  2727.     }
  2728.  
  2729.     
  2730.     mtoMutation_body.clear(true)
  2731.     mtoMutation_watchFlexy.clear(true)
  2732.     //FOnce.mtf_checkFlexy = null;
  2733.     //FOnce.mtf_initalAttr_comments = null;
  2734.     //FOnce.mtf_initalAttr_playlist = null;
  2735.     //FOnce.mtf_initalAttr_chatroom = null;
  2736.     //FOnce.mtf_initalAttr_engagement_panel = null;
  2737.     //FOnce.mtf_advancedComments = null;
  2738.     //FOnce.mtf_checkDescriptionLoaded = null;
  2739.     //FOnce.mtf_forceCheckLiveVideo = null;
  2740.     Q.mtf_chatBlockQ = null;
  2741.  
  2742.  
  2743.     mtoInterval = mtoInterval1;
  2744.  
  2745.   }
  2746.  
  2747.   let comments_section_loaded_elm = null;
  2748.  
  2749.  
  2750.  
  2751.   function getTabsHTML() {
  2752.  
  2753.     const sTabBtnVideos = `${svgElm(16,16,298,298,svgVideos)}<span>Videos</span>`
  2754.     const sTabBtnInfo = `${svgElm(16,16,23.625,23.625,svgInfo)}<span>Info</span>`
  2755.     const sTabBtnPlayList = `${svgElm(16,16,426.667,426.667,svgPlayList)}<span>Playlist</span>`
  2756.  
  2757.     let str1 = `
  2758.         <paper-ripple class="style-scope yt-icon-button">
  2759.             <div id="background" class="style-scope paper-ripple" style="opacity:0;"></div>
  2760.             <div id="waves" class="style-scope paper-ripple"></div>
  2761.         </paper-ripple>
  2762.         `;
  2763.  
  2764.     let str_fbtns = `
  2765.     <div class="font-size-right">
  2766.     <div class="font-size-btn font-size-plus">
  2767.     <svg width="12" height="12" viewbox="0 0 50 50" preserveAspectRatio="xMidYMid meet" 
  2768.     stroke="currentColor" stroke-width="6" stroke-linecap="round" vector-effect="non-scaling-size">
  2769.       <path d="M12 25h26"/><path d="M25 12v26"/>
  2770.     </svg>
  2771.     </div><div class="font-size-btn font-size-minus">
  2772.     <svg width="12" height="12" viewbox="0 0 50 50" preserveAspectRatio="xMidYMid meet"
  2773.     stroke="currentColor" stroke-width="6" stroke-linecap="round" vector-effect="non-scaling-size">
  2774.       <path d="M12 25h26"/>
  2775.     </svg>
  2776.     </div>
  2777.     </div>
  2778.     `.replace(/[\r\n]+/g,'')
  2779.  
  2780.     const str_tabs = [
  2781.             `<a id="tab-btn1" data-name="info" userscript-tab-content="#tab-info" class="tab-btn">${sTabBtnInfo}${str1}${str_fbtns}</a>`,
  2782.             `<a id="tab-btn3" userscript-tab-content="#tab-comments" data-name="comments" class="tab-btn">${svgElm(16,16,60,60,svgComments)}<span id="tab3-txt-loader"></span>${str1}${str_fbtns}</a>`,
  2783.             `<a id="tab-btn4" userscript-tab-content="#tab-videos" data-name="videos" class="tab-btn">${sTabBtnVideos}${str1}${str_fbtns}</a>`,
  2784.             `<a id="tab-btn5" userscript-tab-content="#tab-list" class="tab-btn">${sTabBtnPlayList}${str1}${str_fbtns}</a>`
  2785.         ].join('')
  2786.  
  2787.     let addHTML = `
  2788.         <div id="right-tabs">
  2789.             <header>
  2790.                 <div id="material-tabs">
  2791.                     ${str_tabs}
  2792.                 </div>
  2793.             </header>
  2794.             <div class="tab-content">
  2795.                 <div id="tab-info" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  2796.                 <div id="tab-comments" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  2797.                 <div id="tab-videos" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  2798.                 <div id="tab-list" class="tab-content-cld tab-content-hidden" userscript-scrollbar-render></div>
  2799.             </div>
  2800.         </div>
  2801.         `;
  2802.  
  2803.     return addHTML
  2804.  
  2805.   }
  2806.  
  2807.  
  2808.   function onVideoChange() {
  2809.     // for popstate & next video
  2810.  
  2811.     newVideoPageCheck();
  2812.  
  2813.     scheduledCommentRefresh=true;
  2814.     let comments = document.querySelector('ytd-comments#comments')
  2815.     
  2816.     if(!deferredVarYTDHidden && scheduledCommentRefresh && Q.comments_section_loaded>0 && comments.hasAttribute('hidden')){
  2817.  
  2818.       scheduledCommentRefresh=false; 
  2819.       
  2820.       // comment tab btn - hide by timer in attribute change
  2821.       resetCommentSection();
  2822.     }
  2823.  
  2824.     mtf_forceCheckLiveVideo_disable = 0
  2825.     mtc_store= Date.now()+3870
  2826.  
  2827.     if (deferredVarYTDHidden) {  // reset info when hidden
  2828.       
  2829.       resetCommentSection();
  2830.     }else{
  2831.       checkVisibleEngagementPanel();
  2832.       atChange(); // in case no mutation occurance
  2833.     }
  2834.  
  2835.  
  2836.  
  2837.   }
  2838.  
  2839.   function onNavigationEnd(evt) {
  2840.     console.log('yt-navigate-finish')
  2841.     
  2842.     no_fix_contents_until = 0;
  2843.     no_fix_playlist_until = 0;
  2844.     
  2845.     document.documentElement.setAttribute('youtube-ready','')
  2846.     
  2847.     script_inject_js1.inject();
  2848.     document.documentElement.dispatchEvent(new CustomEvent('tabview-ce-hack'))
  2849.  
  2850.     forceConfig();
  2851.     /*
  2852.     console.log(window.ytcfg)
  2853.     try{
  2854.     window.ytcfg.set({
  2855.       "EXPERIMENT_FLAGS": {"kevlar_watch_metadata_refresh":false}})
  2856.     }catch(e){}
  2857.     */
  2858.  
  2859.     newVideoPageCheck(); // required for init
  2860.  
  2861.     let mRet =
  2862.       (/^https?\:\/\/(\w+\.)*youtube\.com\/watch\?(\w+\=[^\/\?\&]+\&|\w+\=?\&)*v=[\w\-\_]+/.test(window.location.href) ? 1 : 0) +
  2863.       (document.querySelector('ytd-watch-flexy[tabview-selection]') ? 2 : 0);
  2864.  
  2865.     if (mRet === 1) {
  2866.  
  2867.       document.addEventListener('loadedmetadata', function(evt) {
  2868.         if (evt.target.matches('video[tabview-mainvideo]')) {
  2869.           setTimeout(onVideoChange, 30)
  2870.         }
  2871.       }, true)
  2872.  
  2873.       pluginUnhook(); // in case not triggered by popstate - say mini playing
  2874.  
  2875.       let timeout = 4; // max. 4 animation frames
  2876.  
  2877.       let tf = () => {
  2878.  
  2879.         if (--timeout > 0 && !document.querySelector('#player video')) return requestAnimationFrame(tf);
  2880.  
  2881.         let ytdFlexyElm = document.querySelector('ytd-watch-flexy')
  2882.  
  2883.         if(!ytdFlexyElm) return;
  2884.  
  2885.  
  2886.         scriptEnable = true;
  2887.         scriptEC++;
  2888.  
  2889.         no_fix_contents_until = 0;
  2890.         no_fix_playlist_until = 0;
  2891.  
  2892.         ytdFlexy = mWeakRef(ytdFlexyElm)
  2893.  
  2894.         let timeoutR_findRelated = new Timeout();
  2895.         timeoutR_findRelated.set(function() {
  2896.           let ytdFlexyElm = kRef(ytdFlexy);
  2897.           if(!ytdFlexyElm) return true;
  2898.           let related = querySelectorFromAnchor.call(ytdFlexyElm,"#related");
  2899.           if (!related) return true;
  2900.           foundRelated(related);
  2901.         }, 100, 10)
  2902.  
  2903.         function foundRelated(related) {
  2904.           let promise = Promise.resolve();
  2905.           if (!document.querySelector("#right-tabs")) {
  2906.             promise = promise.then(() => {
  2907.               $(getTabsHTML()).insertBefore(related).attr('data-dom-created-by-tabview-youtube', scriptVersionForExternal);
  2908.             })
  2909.           }
  2910.           promise.then(runAfterTabAppended)
  2911.         }
  2912.  
  2913.         /*
  2914.         setTimeout(() => {
  2915.           for (const s of document.querySelectorAll('#right-tabs [userscript-scrollbar-render]')) {
  2916.             Promise.resolve(s).then(s => {
  2917.               if (s && s.scrollTop > 0) s.scrollTop = 0;
  2918.               let child = s.firstElementChild;
  2919.               if (child && child.scrollTop > 0) child.scrollTop = 0;
  2920.             });
  2921.           }
  2922.         }, 90)
  2923.         */
  2924.  
  2925.  
  2926.       }
  2927.  
  2928.       tf();
  2929.  
  2930.     } else if (mRet === 3) {
  2931.  
  2932.       if(!scriptEnable) return;
  2933.  
  2934.       let elmComments = document.querySelector('ytd-comments#comments')
  2935.  
  2936.       if (elmComments) {
  2937.         nativeFunc(elmComments, "loadComments")
  2938.       }
  2939.  
  2940.     } else if (mRet === 0) {
  2941.       
  2942.  
  2943.       pluginUnhook(); // in case not triggered by popstate - say mini playing
  2944.  
  2945.     }
  2946.  
  2947.     if(mRet & 1){
  2948.       
  2949.       setTimeout(()=>{
  2950.         
  2951.         Q.mutationTarget=null;
  2952.         atChange(); // in case no mutation occurance
  2953.         //console.log(87100)
  2954.         
  2955.         // try to omit in 2.5.x
  2956.         //FP.mtf_attrComments()
  2957.       },160);
  2958.         
  2959.     }
  2960.  
  2961.   }
  2962.  
  2963.  
  2964.   function setToActiveTab(defaultTab) {
  2965.     if (isTheater() && isWideScreenWithTwoColumns()) return;
  2966.     const jElm = document.querySelector(`a[userscript-tab-content="${switchTabActivity_lastTab}"]:not(.tab-btn-hidden)`) ||
  2967.       document.querySelector(`a[userscript-tab-content="${(defaultTab||settings.defaultTab)}"]:not(.tab-btn-hidden)`) ||
  2968.       document.querySelector("a[userscript-tab-content]:not(.tab-btn-hidden)") ||
  2969.       null;
  2970.     switchTabActivity(jElm);
  2971.     return !!jElm;
  2972.   }
  2973.  
  2974.   function getWrapper(wrapperId) {
  2975.     let $wrapper = $(`#${wrapperId}`);
  2976.     if (!$wrapper[0]) $wrapper = $(`<div id="${wrapperId}"></div>`)
  2977.     return $wrapper.first();
  2978.   }
  2979.  
  2980.   function runAfterTabAppended() {
  2981.  
  2982.     document.documentElement.setAttribute('plugin-tabview-youtube', '')
  2983.  
  2984.     const ytdFlexyElm = kRef(ytdFlexy)
  2985.     if(!ytdFlexyElm) return;
  2986.     if (!ytdFlexyElm.hasAttribute('tabview-selection')) ytdFlexyElm.setAttribute('tabview-selection', '')
  2987.  
  2988.     
  2989.  
  2990.     
  2991.     //console.log('unc02')
  2992.  
  2993.     // append the next videos 
  2994.     // it exists as "related" is already here
  2995.     fixTabs();
  2996.  
  2997.     // just switch to the default tab
  2998.     setToActiveTab();
  2999.  
  3000.  
  3001.     prepareTabBtn();
  3002.  
  3003.  
  3004.     // append the detailed meta contents to the tab-info
  3005.     // ** FOnce.mtf_checkDescriptionLoaded = FP.mtf_checkDescriptionLoaded;
  3006.     // ** if (Q.mutationTarget === null) $callOnceAsync('mtf_checkDescriptionLoaded');
  3007.  
  3008.     // force window scroll when #continuations is first detected and #comments still [hidden]
  3009.     //FOnce.mtf_advancedComments = FP.mtf_advancedComments;
  3010.     //if (Q.mutationTarget === null) $callOnceAsync('mtf_advancedComments');
  3011.  
  3012.     // use video player's element to detect the live-chat situation (no commenting section)
  3013.     // this would be very useful if the live chat is collapsed, i.e. iframe has no indication on the where it is live or replay
  3014.     //FOnce.mtf_forceCheckLiveVideo = FP.mtf_forceCheckLiveVideo;
  3015.     //if (Q.mutationTarget === null) $callOnceAsync('mtf_forceCheckLiveVideo');
  3016.     //mtf_forceCheckLiveVideo();
  3017.  
  3018.  
  3019.     // Attr Mutation Observer - #playlist - hidden
  3020.     //clearMutationObserver(mtoVs, 'mtoVisibility_Playlist')
  3021.     // Attr Mutation Observer callback - #playlist - hidden
  3022.  
  3023.     // pending for #playlist and set Attribute Observer
  3024.     // ** FOnce.mtf_initalAttr_playlist = FP.mtf_initalAttr_playlist
  3025.     // ** if (Q.mutationTarget === null) $callOnceAsync('mtf_initalAttr_playlist');
  3026.  
  3027.     // Attr Mutation Observer - ytd-comments#comments - hidden
  3028.     //clearMutationObserver(mtoVs, 'mtoVisibility_Comments')
  3029.     // Attr Mutation Observer callback - ytd-comments#comments - hidden
  3030.  
  3031.     // pending for #comments and set Attribute Observer
  3032.     // ** FOnce.mtf_initalAttr_comments = FP.mtf_initalAttr_comments;
  3033.     // ** if (Q.mutationTarget === null) $callOnceAsync('mtf_initalAttr_comments');
  3034.  
  3035.  
  3036.     //clearMutationObserver(mtoVs, 'mtoVisibility_Chatroom');
  3037.     //FOnce.mtf_initalAttr_chatroom = FP.mtf_initalAttr_chatroom
  3038.     //if (Q.mutationTarget === null) $callOnceAsync('mtf_initalAttr_chatroom');
  3039.  
  3040.     // clearMutationObserver(mtoVs, 'mtoVisibility_EngagementPanel');
  3041.     // for (const engagement_panel of document.querySelectorAll('ytd-watch-flexy ytd-engagement-panel-section-list-renderer:not([tabview-attr-checked])')) {
  3042.     //   engagement_panel.removeAttribute('tabview-attr-checked');
  3043.     // }
  3044.     //FOnce.mtf_initalAttr_engagement_panel = FP.mtf_initalAttr_engagement_panel
  3045.     //if (Q.mutationTarget === null) $callOnceAsync('mtf_initalAttr_engagement_panel');
  3046.  
  3047.  
  3048.     mtoFlexyAttr.clear(true)
  3049.     mtf_checkFlexy()
  3050.  
  3051.  
  3052.     document.querySelector("#right-tabs .tab-content").addEventListener('scroll', makeBodyScrollByEvt, true);
  3053.  
  3054.  
  3055.     Q.addP = 0;
  3056.     Q.removeP = 0;
  3057.     Q.mutationTarget = null;
  3058.  
  3059.     Q.mtoNav_requestNo = 0;
  3060.  
  3061.  
  3062.     mtoMutation_watchFlexy.bindElement(ytdFlexyElm, {
  3063.       childList: true,
  3064.       subtree: true,
  3065.       attributes: false
  3066.     })
  3067.  
  3068.     // for automcomplete plugin or other userscript plugins
  3069.     // document.body for Firefox >= 60
  3070.     mtoMutation_body.bindElement(document.querySelector('body'), {
  3071.       childList: true,
  3072.       subtree: false,
  3073.       attributes: false
  3074.     })
  3075.  
  3076.  
  3077.     no_fix_contents_until = 0;
  3078.     no_fix_playlist_until = 0;
  3079.     scriptEnable = true;
  3080.     regularCheck(1, 0, null);
  3081.     
  3082.  
  3083.     
  3084.  
  3085.  
  3086.  
  3087.   }
  3088.  
  3089.  
  3090.   function fetchCommentsFinished() {
  3091.     let ytdFlexyElm = kRef(ytdFlexy);
  3092.     if (!scriptEnable || !ytdFlexyElm) return;
  3093.     if(mtf_forceCheckLiveVideo_disable===2) return;
  3094.     akAttr(ytdFlexyElm, 'tabview-youtube-comments', false, 'LS')
  3095.   }
  3096.  
  3097.   function setCommentSection( /** @type {number} */ value) {
  3098.  
  3099.     Q.comments_section_loaded = value;
  3100.  
  3101.     if (value === 0) {
  3102.       sect_lastUpdate = 0;
  3103.       comments_section_loaded_elm = null;
  3104.     }
  3105.  
  3106.   }
  3107.  
  3108.   function resetCommentSection(){
  3109.     
  3110.  
  3111.     let tab_btn = document.querySelector('.tab-btn[userscript-tab-content="#tab-comments"]')
  3112.  
  3113.  
  3114.     if(tab_btn){
  3115.  
  3116.       let span = querySelectorFromAnchor.call(tab_btn,'span#tab3-txt-loader');
  3117.  
  3118.       tab_btn.removeAttribute('loaded-comment')
  3119.       tab_btn.classList.remove('tab-btn-hidden')
  3120.         
  3121.       if(span){
  3122.         span.textContent='';
  3123.       }
  3124.     }
  3125.  
  3126.  
  3127.     setCommentSection(0);
  3128.  
  3129.  
  3130.   }
  3131.  
  3132.   function _disableComments() {
  3133.     
  3134.     //requestingComments = null;
  3135.     mtc_cid && timeline.clearInterval(mtc_cid)
  3136.     mtc_cid=0;
  3137.  
  3138.     if (!scriptEnable) return;
  3139.     let cssElm = kRef(ytdFlexy);
  3140.     if (!cssElm) return;
  3141.  
  3142.     mtoInterval = mtoInterval2;
  3143.  
  3144.     if(Q.comments_section_loaded>0) return; //already displayed / disabled
  3145.  
  3146.     scheduledCommentRefresh=false;
  3147.     setCommentSection(2);
  3148.  
  3149.     comments_section_loaded_elm = mWeakRef(document.querySelector('ytd-comments#comments div#contents') || null)
  3150.  
  3151.     let tabBtn = document.querySelector('.tab-btn[userscript-tab-content="#tab-comments"]');
  3152.     if(tabBtn) {
  3153.       tabBtn.removeAttribute('loaded-comment')
  3154.       if (!tabBtn.classList.contains('tab-btn-hidden')) {
  3155.         hideTabBtn(tabBtn)
  3156.       }
  3157.     }
  3158.  
  3159.     akAttr(cssElm, 'tabview-youtube-comments', true, 'D');
  3160.  
  3161.  
  3162.   }
  3163.  
  3164.  
  3165.  
  3166.  
  3167.   let layoutStatusMutex = new Mutex();
  3168.  
  3169.   function forceDisplayChatReplay() {
  3170.     let items = chatFrameElement('yt-live-chat-item-list-renderer #items');
  3171.     if (items && items.childElementCount !== 0) return;
  3172.  
  3173.     let ytd_player = document.querySelector('ytd-player#ytd-player');
  3174.     if (!ytd_player) return;
  3175.     let videoElm = querySelectorFromAnchor.call(ytd_player,'video');
  3176.     if (!videoElm) return;
  3177.  
  3178.     let video = videoElm;
  3179.     if (videoElm && video.currentTime > 0 && !video.ended && video.readyState > video.HAVE_CURRENT_DATA) {
  3180.       let chat = document.querySelector('ytd-live-chat-frame#chat');
  3181.       if (chat) {
  3182.         nativeFunc(chat, "postToContentWindow", [{ "yt-player-video-progress": videoElm.currentTime }])
  3183.       }
  3184.     }
  3185.  
  3186.   }
  3187.  
  3188.  
  3189.  
  3190.   function runAfterExpandChat() {
  3191.  
  3192.  
  3193.     if(runAfterExpandChat.cid_chatFrameCheck1) timeline.clearInterval(runAfterExpandChat.cid_chatFrameCheck1);
  3194.     if(runAfterExpandChat.cid_chatFrameCheck2) timeline.clearInterval(runAfterExpandChat.cid_chatFrameCheck2);
  3195.     runAfterExpandChat.cid_chatFrameCheck1=0;
  3196.     runAfterExpandChat.cid_chatFrameCheck2=0;
  3197.  
  3198.     new Promise(resolve => {
  3199.  
  3200.       let chatFrame_st = Date.now();
  3201.       runAfterExpandChat.cid_chatFrameCheck1 = 0;
  3202.  
  3203.       let sEF = new ScriptEF();
  3204.       runAfterExpandChat.cid_chatFrameCheck1 = timeline.setInterval(() => {
  3205.         if (!sEF.isValid()) return runAfterExpandChat.cid_chatFrameCheck1 = timeline.clearInterval(runAfterExpandChat.cid_chatFrameCheck1);
  3206.         let cDoc = chatFrameContentDocument();
  3207.         if (cDoc) {
  3208.           runAfterExpandChat.cid_chatFrameCheck1 = timeline.clearInterval(runAfterExpandChat.cid_chatFrameCheck1);
  3209.           resolve();
  3210.         } else if (!scriptEnable || !isChatExpand() || Date.now() - chatFrame_st > 6750) {
  3211.           runAfterExpandChat.cid_chatFrameCheck1 = timeline.clearInterval(runAfterExpandChat.cid_chatFrameCheck1);
  3212.         }
  3213.       }, 60);
  3214.  
  3215.  
  3216.     }).then(() => new Promise(resolve => {
  3217.  
  3218.  
  3219.       let chatFrame_st = Date.now();
  3220.       runAfterExpandChat.cid_chatFrameCheck2 = 0;
  3221.  
  3222.       let sEF = new ScriptEF();
  3223.       runAfterExpandChat.cid_chatFrameCheck2 = timeline.setInterval(() => {
  3224.         if (!sEF.isValid()) return runAfterExpandChat.cid_chatFrameCheck2 = timeline.clearInterval(runAfterExpandChat.cid_chatFrameCheck2);
  3225.         let app = chatFrameElement('yt-live-chat-app');
  3226.         if (app) {
  3227.           runAfterExpandChat.cid_chatFrameCheck2 = timeline.clearInterval(runAfterExpandChat.cid_chatFrameCheck2);
  3228.           resolve(app);
  3229.         } else if (!scriptEnable || !isChatExpand() || Date.now() - chatFrame_st > 6750*3) {
  3230.           runAfterExpandChat.cid_chatFrameCheck2 = timeline.clearInterval(runAfterExpandChat.cid_chatFrameCheck2);
  3231.         }
  3232.       }, 60);
  3233.  
  3234.  
  3235.     })).then(app => {
  3236.  
  3237.  
  3238.       let cDoc = app.ownerDocument;
  3239.  
  3240.       if (!scriptEnable || !isChatExpand()) return;
  3241.       if(cDoc.querySelector('#userscript-tabview-chatroom-css')) return;
  3242.       addStyle(`      
  3243.                 body #input-panel.yt-live-chat-renderer::after {
  3244.                     background: transparent;
  3245.                 }
  3246.                 #items.yt-live-chat-item-list-renderer{
  3247.                     contain: content;
  3248.                 }
  3249.                 yt-live-chat-text-message-renderer{
  3250.                     contain: content;
  3251.                 }
  3252.                 #item-offset.yt-live-chat-item-list-renderer{
  3253.                     contain: content;
  3254.                 }
  3255.                 #item-scroller.yt-live-chat-item-list-renderer{
  3256.                     contain: strict;
  3257.                 }
  3258.                 img[width][height]{
  3259.                     contain: strict;
  3260.                 }
  3261.                 #item-list > yt-live-chat-item-list-renderer, #item-list > yt-live-chat-item-list-renderer > #contents{
  3262.                     contain: strict;
  3263.                 }
  3264.  
  3265.  
  3266.                 #chat.style-scope.yt-live-chat-renderer,
  3267.                 yt-live-chat-text-message-renderer.style-scope.yt-live-chat-item-list-renderer,
  3268.                 #item-scroller,
  3269.                 yt-live-chat-text-message-renderer.style-scope.yt-live-chat-item-list-renderer .style-scope.yt-live-chat-text-message-renderer,
  3270.                 yt-live-chat-ticker-paid-message-item-renderer
  3271.                 {
  3272.                   contain: layout paint style;
  3273.                 }
  3274.                  
  3275.                 yt-img-shadow#author-photo.style-scope{
  3276.                   contain: layout paint style;
  3277.                   content-visibility: auto;
  3278.                   contain-intrinsic-size: 24px 24px;
  3279.                 }
  3280.                  
  3281.                 #item-offset.style-scope.yt-live-chat-item-list-renderer,
  3282.                 #items.style-scope.yt-live-chat-item-list-renderer {
  3283.                   contain: layout paint;
  3284.                 }
  3285.                  
  3286.                 .style-scope.yt-live-chat-text-message-renderer {
  3287.                   cursor: default;
  3288.                 }
  3289.                  
  3290.                 #author-photo.style-scope.yt-live-chat-text-message-renderer,
  3291.                 yt-live-chat-author-chip.style-scope.yt-live-chat-text-message-renderer,
  3292.                 yt-live-chat-author-chip.style-scope.yt-live-chat-text-message-renderer ~ span#message.style-scope.yt-live-chat-text-message-renderer
  3293.                 {
  3294.                   pointer-events: none;
  3295.                 }
  3296.                  
  3297.                 span#message.style-scope.yt-live-chat-text-message-renderer > img.emoji.yt-formatted-string.style-scope.yt-live-chat-text-message-renderer{
  3298.                   contain: layout paint style;
  3299.                   cursor: default;
  3300.                   pointer-events: none;
  3301.                 }
  3302.                  
  3303.                 body yt-live-chat-app{
  3304.                   contain: size layout paint style;
  3305.                   content-visibility: auto;
  3306.                   transform: translate3d(0,0,0);
  3307.                   overflow: hidden;
  3308.                 }
  3309.  
  3310.  
  3311.                 /*
  3312.                 yt-live-chat-text-message-renderer.style-scope.yt-live-chat-item-list-renderer:nth-last-of-type(n+20){
  3313.                   content-visibility: auto;
  3314.                 }
  3315.                 */
  3316.  
  3317.                 /*
  3318.                 @supports (contain-intrinsic-size: auto 1px){
  3319.  
  3320.                   yt-live-chat-text-message-renderer.style-scope.yt-live-chat-item-list-renderer{
  3321.                     content-visibility: auto;
  3322.                     contain-intrinsic-size: auto 24px; 
  3323.                   }
  3324.  
  3325.                 }
  3326.                 */
  3327.                  
  3328.                 .style-scope.yt-live-chat-item-list-renderer{
  3329.                   box-sizing: border-box; 
  3330.                 }
  3331.  
  3332.                 /*
  3333.                 .style-scope.yt-live-chat-item-list-renderer[style*="--tabview-crm-height"]{
  3334.                   content-visibility: auto;
  3335.                   contain-intrinsic-size: 1px var(--tabview-crm-height, 24px); 
  3336.                 }
  3337.  
  3338.                 #item-offset.style-scope.yt-live-chat-item-list-renderer{
  3339.                   height: auto !important;
  3340.                 }
  3341.                 #item-offset.style-scope.yt-live-chat-item-list-renderer > #items:only-child{
  3342.                   position: relative !important;
  3343.                 }*/
  3344.  
  3345.                 #item-offset.style-scope.yt-live-chat-item-list-renderer{
  3346.                   contain: size layout paint style;
  3347.                 }
  3348.                 #item-offset.style-scope.yt-live-chat-item-list-renderer > #items:only-child{
  3349.                   contain: layout paint style;
  3350.                 }
  3351.  
  3352.  
  3353.             `, cDoc.documentElement).id='userscript-tabview-chatroom-css'
  3354.  
  3355.             let frc= 0;
  3356.       let fullReady = ()=>{
  3357.  
  3358.  
  3359.         if(!cDoc.documentElement.hasAttribute('style') && ++frc<900) return timeline.setTimeout(fullReady,10);
  3360.  
  3361.         if (cDoc.querySelector('yt-live-chat-renderer #continuations')) {
  3362.           timeline.setTimeout(() => mtf_ChatExist(), 40);
  3363.           $(document.querySelector('ytd-live-chat-frame#chat')).attr('yt-userscript-iframe-loaded', '')
  3364.         }
  3365.  
  3366.         forceDisplayChatReplay();
  3367.  
  3368.         let iframe = document.querySelector('ytd-live-chat-frame iframe#chatframe');
  3369.  
  3370.  
  3371.         iframe.dispatchEvent(new CustomEvent("tabview-chatroom-ready"))
  3372.  
  3373.  
  3374.  
  3375.       }
  3376.       fullReady();
  3377.  
  3378.  
  3379.  
  3380.     })
  3381.  
  3382.   }
  3383.  
  3384.   function flexyAttr_toggleFlag(mFlag, b, flag) {
  3385.     if (b) mFlag = mFlag | flag;
  3386.     else mFlag = mFlag & ~flag;
  3387.     return mFlag;
  3388.   }
  3389.  
  3390.   function flexAttr_toLayoutStatus(nls, attributeName) {
  3391.  
  3392.     let attrElm, b, v;
  3393.     switch (attributeName) {
  3394.       case 'theater':
  3395.         nls = flexyAttr_toggleFlag(nls, isTheater(), LAYOUT_THEATER);
  3396.         break;
  3397.       case 'userscript-chat-collapsed':
  3398.       case 'userscript-chatblock':
  3399.         attrElm = kRef(ytdFlexy);
  3400.         if (hasAttribute(attrElm, 'userscript-chat-collapsed')) {
  3401.           nls = flexyAttr_toggleFlag(nls, true, LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLASPED);
  3402.         } else {
  3403.           nls = flexyAttr_toggleFlag(nls, hasAttribute(attrElm, 'userscript-chatblock'), LAYOUT_CHATROOM);
  3404.           nls = flexyAttr_toggleFlag(nls, false, LAYOUT_CHATROOM_COLLASPED);
  3405.         }
  3406.         break;
  3407.       case 'is-two-columns_':
  3408.         nls = flexyAttr_toggleFlag(nls, isWideScreenWithTwoColumns(), LAYOUT_TWO_COLUMNS);
  3409.         break;
  3410.  
  3411.       case 'tabview-selection':
  3412.         b = isNonEmptyString(kRef(ytdFlexy).getAttribute('tabview-selection'));
  3413.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_TAB_EXPANDED);
  3414.         break;
  3415.  
  3416.       case 'fullscreen':
  3417.         b = isNonEmptyString(kRef(ytdFlexy).getAttribute('fullscreen'));
  3418.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_FULLSCREEN);
  3419.         break;
  3420.  
  3421.       case 'userscript-engagement-panel':
  3422.         v = kRef(ytdFlexy).getAttribute('userscript-engagement-panel');
  3423.         b = (+v > 0)
  3424.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_ENGAGEMENT_PANEL_EXPAND);
  3425.         break;
  3426.  
  3427.     }
  3428.  
  3429.     return nls;
  3430.  
  3431.  
  3432.   }
  3433.  
  3434.   let mtf_attrFlexy = (mutations, observer) => {
  3435.  
  3436.     //attr mutation checker - $$ytdFlexyElm$$ {ytd-watch-flexy} \single
  3437.     //::attr    
  3438.     // ~ 'userscript-chat-collapsed', 'userscript-chatblock', 'theater', 'is-two-columns_', 
  3439.     // ~ 'tabview-selection', 'fullscreen', 'userscript-engagement-panel', 
  3440.     // ~ 'hidden'
  3441.  
  3442.     //console.log(15330, scriptEnable, kRef(ytdFlexy), mutations)
  3443.  
  3444.     if (!scriptEnable) return;
  3445.  
  3446.     const cssElm = kRef(ytdFlexy)
  3447.     if (!cssElm) return;
  3448.  
  3449.     if (!mutations) return;
  3450.  
  3451.     //console.log(15340)
  3452.     ytdFlexyHiddenCheck(mutations);
  3453.  
  3454.     const old_layoutStatus = wls.layoutStatus
  3455.     if (old_layoutStatus === null) return;
  3456.     let new_layoutStatus = old_layoutStatus;
  3457.  
  3458.     let checkedChat = false;
  3459.  
  3460.     for (const mutation of mutations) {
  3461.       new_layoutStatus = flexAttr_toLayoutStatus(new_layoutStatus, mutation.attributeName);
  3462.       if (mutation.attributeName == 'userscript-chat-collapsed' || mutation.attributeName == 'userscript-chatblock') {
  3463.  
  3464.         if(!checkedChat){
  3465.           checkedChat = true; // avoid double call
  3466.  
  3467.           if (cssElm.getAttribute('userscript-chatblock') === 'chat-live') {
  3468.             // assigned new attribute - "chat-live" => disable comments section
  3469.             _disableComments();
  3470.           }
  3471.  
  3472.           if (!cssElm.hasAttribute('userscript-chatblock')) {
  3473.             // might or might not collapsed before
  3474.             timeline.setTimeout(() => {
  3475.               if (!scriptEnable) return;
  3476.               //delayed call => check with the "no active focus" condition with chatroom status
  3477.               if (!isAnyActiveTab() && !isChatExpand() && !isTheater() && isWideScreenWithTwoColumns() && !isFullScreen()) {
  3478.                 setToActiveTab();
  3479.               }
  3480.             }, 240);
  3481.           }
  3482.         }
  3483.  
  3484.       }else if(mutation.attributeName == 'userscript-engagement-panel'){
  3485.         // assume any other active component such as tab content and chatroom
  3486.         
  3487.         if (+(cssElm.getAttribute('userscript-engagement-panel')||0)===0 && +mutation.oldValue>0) {
  3488.           timeline.setTimeout(() => {
  3489.             if (!scriptEnable) return;
  3490.             //delayed call => check with the "no active focus" condition with engagement panel status
  3491.             if (!isAnyActiveTab() && !isEngagementPanelExpanded() && !isTheater() && isWideScreenWithTwoColumns() && !isFullScreen() && !isChatExpand()) {
  3492.               setToActiveTab();
  3493.             }
  3494.           }, 240);
  3495.         }
  3496.       }
  3497.     }
  3498.  
  3499.     if (new_layoutStatus !== old_layoutStatus) wls.layoutStatus = new_layoutStatus
  3500.  
  3501.   }
  3502.  
  3503.   const mtf_checkFlexy = () => {
  3504.     // once per $$native-ytd-watch-flexy$$ {ytd-watch-flexy} detection
  3505.  
  3506.     let ytdFlexyElm = kRef(ytdFlexy);
  3507.     if (!scriptEnable || !ytdFlexyElm) return true;
  3508.  
  3509.  
  3510.     wls.layoutStatus = null;
  3511.  
  3512.     let isFlexyHidden = (deferredVarYTDHidden = ytdFlexyElm.hasAttribute('hidden'));
  3513.  
  3514.     if (!isFlexyHidden) {
  3515.       let rChatExist = base_ChatExist();
  3516.       if (rChatExist) {
  3517.         let { attr_chatblock, attr_chatcollapsed } = rChatExist;
  3518.         if (attr_chatblock === null) {
  3519.           //remove attribute if it is unknown
  3520.           attr_chatblock = false;
  3521.           attr_chatcollapsed = false;
  3522.         }
  3523.         wAttr(ytdFlexyElm, 'userscript-chatblock', attr_chatblock)
  3524.         wAttr(ytdFlexyElm, 'userscript-chat-collapsed', attr_chatcollapsed)
  3525.       }
  3526.     }
  3527.  
  3528.     let rTabSelection = [...querySelectorAllFromAnchor.call(ytdFlexyElm,'.tab-btn[userscript-tab-content]')]
  3529.       .map(elm => ({ elm, hidden: elm.classList.contains('tab-btn-hidden') }));
  3530.  
  3531.     if(rTabSelection.length === 0){
  3532.       wAttr(ytdFlexyElm, 'tabview-selection', false);
  3533.     }else{
  3534.       rTabSelection=rTabSelection.filter(entry => entry.hidden !== true); // all available tabs
  3535.       if (rTabSelection.length === 0) wAttr(ytdFlexyElm, 'tabview-selection', '');
  3536.     }
  3537.     rTabSelection = null;
  3538.       
  3539.     let rEP = engagement_panels_();
  3540.     if (rEP && rEP.count > 0) wAttr(ytdFlexyElm, 'userscript-engagement-panel', false);
  3541.     //else wAttr(ytdFlexyElm, 'userscript-engagement-panel', rEP.value + ""); // can be 0
  3542.     else if(rEP.value>0) wAttr(ytdFlexyElm, 'userscript-engagement-panel', rEP.value + ""); // can be 0
  3543.  
  3544.     let ls = 0;
  3545.     ls = flexAttr_toLayoutStatus(ls, 'theater')
  3546.     ls = flexAttr_toLayoutStatus(ls, 'userscript-chat-collapsed')
  3547.     ls = flexAttr_toLayoutStatus(ls, 'userscript-chatblock')
  3548.     ls = flexAttr_toLayoutStatus(ls, 'is-two-columns_')
  3549.     ls = flexAttr_toLayoutStatus(ls, 'tabview-selection')
  3550.     ls = flexAttr_toLayoutStatus(ls, 'fullscreen')
  3551.     ls = flexAttr_toLayoutStatus(ls, 'userscript-engagement-panel')
  3552.  
  3553.     wls.layoutStatus = ls
  3554.  
  3555.     mtoFlexyAttr.bindElement(ytdFlexyElm,{
  3556.       attributes: true,
  3557.       attributeFilter: ['userscript-chat-collapsed', 'userscript-chatblock', 'theater', 'is-two-columns_', 'tabview-selection', 'fullscreen', 'userscript-engagement-panel', 'hidden'],
  3558.       attributeOldValue: true
  3559.     })
  3560.  
  3561.     ytdFlexyHiddenCheckBasic(ytdFlexyElm);
  3562.  
  3563.  
  3564.     let columns = document.querySelector('ytd-page-manager#page-manager #columns')
  3565.     if (columns) {
  3566.       wAttr(columns, 'userscript-scrollbar-render', true);
  3567.     }
  3568.  
  3569.     return false;
  3570.   }
  3571.   
  3572.  
  3573.   function ytdFlexyHiddenCheckBasic(ytdFlexyElm){
  3574.     // for both hidden and non-hidden ytd-watch-flexy
  3575.  
  3576.     deferredVarYTDHidden = ytdFlexyElm.hasAttribute('hidden');
  3577.  
  3578.    // console.log(15403)
  3579.     document.documentElement.classList.toggle('tabview-normal-player',!deferredVarYTDHidden)
  3580.  
  3581.   }
  3582.  
  3583.   function checkVisibleEngagementPanel(){
  3584.     
  3585.     if(storeLastPanel){
  3586.  
  3587.       let elm_storeLastPanel = kRef(storeLastPanel);
  3588.  
  3589.       if(elm_storeLastPanel && !isDOMVisible(elm_storeLastPanel) ){
  3590.         storeLastPanel=null;
  3591.         ytBtnCloseEngagementPanels();
  3592.       }
  3593.  
  3594.     }
  3595.  
  3596.   }
  3597.  
  3598.   function ytdFlexyHiddenCheck(mutations) {
  3599.  
  3600.     //console.log(15350)
  3601.  
  3602.     const ytdFlexyElm = kRef(ytdFlexy)
  3603.     if (!ytdFlexyElm) return;
  3604.     let muHidden = false
  3605.  
  3606.     for (const mutation of mutations) {
  3607.       if (mutation.attributeName === 'hidden') {
  3608.         //console.log(343)
  3609.         muHidden = true;
  3610.         break;
  3611.       }
  3612.     }
  3613.  
  3614.     if (!muHidden) return;
  3615.     
  3616.  
  3617.     
  3618.     mtc_store= Date.now()+2870
  3619.     //console.log(7004)
  3620.     deferredVarYTDHidden = ytdFlexyElm.hasAttribute('hidden');
  3621.  
  3622.     
  3623.     if(deferredVarYTDHidden && scheduledCommentRefresh && Q.comments_section_loaded>0){
  3624.       scheduledCommentRefresh=false;
  3625.     } 
  3626.  
  3627.     //console.log(15400)
  3628.     if(!deferredVarYTDHidden){
  3629.       mtf_forceCheckLiveVideo_disable = 0  
  3630.       timeline.setTimeout(function() {
  3631.         mtf_ChatExist();  
  3632.         layoutStatusMutex.lockWith(unlock=>{
  3633.           atChange(); // in case no mutation occurance
  3634.           ytdFlexyHiddenCheckBasic(ytdFlexyElm);
  3635.           dispatchWindowResize(); // player control positioning
  3636.           timeline.setTimeout(unlock, 40);          
  3637.         })        
  3638.       }, 40);
  3639.     }else{
  3640.       //console.log(15401)
  3641.       timeline.setTimeout(function() {
  3642.         //console.log(15402)
  3643.         ytdFlexyHiddenCheckBasic(ytdFlexyElm);
  3644.       }, 40);
  3645.     }
  3646.  
  3647.   }
  3648.  
  3649.  
  3650.  
  3651.  
  3652.   let switchTabActivity_lastTab = null
  3653.  
  3654.   function setDisplayedPlaylist() {
  3655.     //override the default youtube coding event prevention
  3656.     let cssElm = kRef(ytdFlexy);
  3657.     if (!scriptEnable || !cssElm) return;
  3658.     displayedPlaylist = mWeakRef(document.querySelector('ytd-watch-flexy #tab-list:not(.tab-content-hidden) ytd-playlist-panel-renderer') || null);
  3659.   }
  3660.  
  3661.  
  3662.   
  3663.   let recordScrollTop = 0
  3664.  
  3665.   function switchTabActivity(activeLink) {
  3666.     if (!scriptEnable) return;
  3667.  
  3668.     const ytdFlexyElm = kRef(ytdFlexy);
  3669.  
  3670.     if (!ytdFlexyElm) return;
  3671.  
  3672.     if (activeLink && activeLink.classList.contains('tab-btn-hidden')) return; // not allow to switch to hide tab
  3673.  
  3674.     if (isTheater() && isWideScreenWithTwoColumns()) activeLink = null;
  3675.  
  3676.     /*
  3677.     let isPrevTabComments = document.querySelector('.tab-content-cld:not(.tab-content-hidden)');
  3678.     isPrevTabComments=isPrevTabComments&&isPrevTabComments.matches('#tab-comments')
  3679.  
  3680.     if(isPrevTabComments){
  3681.     
  3682.       let comments_tab = document.querySelector('#tab-comments');
  3683.       if(comments_tab){
  3684.         let st = comments_tab.scrollTop;
  3685.         if(st>=0) recordScrollTop = st;
  3686.       }
  3687.  
  3688.  
  3689.     }
  3690.     */
  3691.  
  3692.     function runAtEnd() {
  3693.  
  3694.       
  3695.     //console.log(12312)
  3696.  
  3697.       if (activeLink) lastShowTab = activeLink.getAttribute('userscript-tab-content')
  3698.  
  3699.       displayedPlaylist = null;
  3700.       scrollingVideosList = null;
  3701.  
  3702.       if (activeLink && lastShowTab == '#tab-list') {
  3703.         setDisplayedPlaylist();
  3704.       } else if (activeLink && lastShowTab == '#tab-videos') {
  3705.         scrollingVideosList = mWeakRef(document.querySelector('ytd-watch-flexy #tab-videos:not(.tab-content-hidden) [placeholder-videos]'));
  3706.       }
  3707.  
  3708.  
  3709.       ytdFlexyElm.setAttribute('tabview-selection', activeLink ? lastShowTab : '')
  3710.  
  3711.       if (lastShowTab == '#tab-comments' && (ytdFlexyElm.getAttribute('tabview-youtube-comments') || '').lastIndexOf('S') >= 0) {
  3712.  
  3713.         
  3714.         if(mtf_forceCheckLiveVideo_disable===2) {}
  3715.         else{
  3716.           akAttr(ytdFlexyElm, 'tabview-youtube-comments', false, 'L');
  3717.  
  3718.           /*
  3719.           requestAnimationFrame(() => {
  3720.             let comments_tab = document.querySelector('#tab-comments');
  3721.             if (comments_tab && comments_tab.scrollTop > 0) comments_tab.scrollTop = 0;
  3722.           });
  3723.           */
  3724.         }
  3725.  
  3726.       }
  3727.  
  3728.       /*
  3729.     let isNewTabComments = document.querySelector('.tab-content-cld:not(.tab-content-hidden)')
  3730.     
  3731.     isNewTabComments=isNewTabComments&&isNewTabComments.matches('#tab-comments')
  3732.  
  3733.     if(isNewTabComments){
  3734.       
  3735.       let comments_tab = document.querySelector('#tab-comments');
  3736.       if(comments_tab){
  3737.         let st = comments_tab.scrollTop;
  3738.         if(Math.abs(st-recordScrollTop)>0.9) comments_tab.scrollTop=recordScrollTop;
  3739.       }
  3740.  
  3741.       
  3742.       
  3743.     }
  3744.     */
  3745.  
  3746.  
  3747.     }
  3748.  
  3749.     const links = document.querySelectorAll('#material-tabs a[userscript-tab-content]');
  3750.  
  3751.  
  3752.  
  3753.     for (const link of links) {
  3754.       let content = document.querySelector(link.getAttribute('userscript-tab-content'));
  3755.       if (link && content) {
  3756.         if (link !== activeLink) {
  3757.           link.classList.remove("active");
  3758.           content.classList.add("tab-content-hidden");
  3759.         } else {
  3760.           link.classList.add("active");
  3761.           content.classList.remove("tab-content-hidden");
  3762.           //timeline.setTimeout(()=>content.focus(),400);
  3763.  
  3764.         }
  3765.       }
  3766.     }
  3767.  
  3768.     runAtEnd();
  3769.  
  3770.  
  3771.   }
  3772.  
  3773.  
  3774.   const STORE_VERSION = 1;
  3775.   const STORE_key = 'userscript-tabview-settings';
  3776.   function getStore(){
  3777.     let s = localStorage[STORE_key];
  3778.     function resetStore(){
  3779.       let ret = {
  3780.         version: 1,
  3781.       };
  3782.       localStorage[STORE_key]=JSON.stringify(ret);
  3783.       return ret;
  3784.     }
  3785.     if(!s) return resetStore();
  3786.     let obj = null;
  3787.     try{
  3788.       obj = JSON.parse(s);
  3789.     }catch(e){}
  3790.     return obj && obj.version === STORE_VERSION ? obj : resetStore();
  3791.   }
  3792.  
  3793.   function setStore(obj){
  3794.     if(!obj || typeof obj !=='object') return false;
  3795.     if(obj.version !== STORE_VERSION) return false;
  3796.     localStorage[STORE_key]=JSON.stringify(obj);
  3797.     return true;
  3798.   }
  3799.  
  3800.   let tabsUiScript_setclick = false;
  3801.  
  3802.   function prepareTabBtn() {
  3803.  
  3804.     const materialTab = document.querySelector("#material-tabs")
  3805.     if (!materialTab) return;
  3806.  
  3807.     let noActiveTab = !!document.querySelector('ytd-watch-flexy[userscript-chatblock]:not([userscript-chat-collapsed])')
  3808.  
  3809.     const activeLink = querySelectorFromAnchor.call(materialTab,'a[userscript-tab-content].active:not(.tab-btn-hidden)')
  3810.     if (activeLink) switchTabActivity(noActiveTab ? null : activeLink)
  3811.  
  3812.     if (!tabsUiScript_setclick) {
  3813.       tabsUiScript_setclick = true;
  3814.       $(materialTab).on("click", "a", function(evt) {
  3815.  
  3816.         //console.log(8510)
  3817.         let ytdFlexyElm = kRef(ytdFlexy);
  3818.         if (!scriptEnable || !ytdFlexyElm) return null;
  3819.  
  3820.         if (!this.hasAttribute('userscript-tab-content')) return;
  3821.  
  3822.         if (evt.target.matches('.font-size-btn')) return;
  3823.  
  3824.  
  3825.         evt.preventDefault();
  3826.  
  3827.         //console.log(8511)
  3828.  
  3829. /*
  3830.         if (this.getAttribute('userscript-tab-content') == '#tab-comments' && parseInt(ytdFlexyElm.getAttribute('tabview-youtube-comments') || '') < 0) {
  3831.           
  3832.         console.log(8512)
  3833.           return;
  3834.         }*/
  3835.  
  3836.         //console.log(8513)
  3837.         new Promise(requestAnimationFrame).then(() => {
  3838.  
  3839.  
  3840.           //console.log(8514)
  3841.           layoutStatusMutex.lockWith(unlock => {
  3842.  
  3843.             //console.log(8515)
  3844.             switchTabActivity_lastTab = this.getAttribute('userscript-tab-content');
  3845.  
  3846.             let isActiveAndVisible = this.classList.contains('tab-btn') && this.classList.contains('active') && !this.classList.contains('tab-btn-hidden')
  3847.  
  3848.             if (isWideScreenWithTwoColumns() && !isTheater() && isActiveAndVisible) {
  3849.               //optional
  3850.               timeline.setTimeout(unlock, 80);
  3851.               switchTabActivity(null);
  3852.               ytBtnSetTheater();
  3853.             } else if (isActiveAndVisible) {
  3854.               timeline.setTimeout(unlock, 80);
  3855.               switchTabActivity(null);
  3856.             } else {
  3857.               let pInterval = 60;
  3858.               if (isChatExpand() && isWideScreenWithTwoColumns()) {
  3859.                 ytBtnCollapseChat();
  3860.               } else if (isEngagementPanelExpanded() && isWideScreenWithTwoColumns()) {
  3861.                 ytBtnCloseEngagementPanels();
  3862.               } else if (isWideScreenWithTwoColumns() && isTheater() && !isFullScreen()) {
  3863.                 ytBtnCancelTheater();
  3864.               } else {
  3865.                 pInterval = 20;
  3866.               }
  3867.               //console.log(8518)
  3868.               timeline.setTimeout(() => {
  3869.                 timeline.setTimeout(makeBodyScroll, 20); // this is to make the image render
  3870.  
  3871.                 timeline.setTimeout(() => {
  3872.                   let rightTabs = document.querySelector('#right-tabs');
  3873.                   if (!isWideScreenWithTwoColumns() && rightTabs && rightTabs.offsetTop > 0 && this.classList.contains('active')) {
  3874.                     let tabButtonBar = document.querySelector('#material-tabs');
  3875.                     let tabButtonBarHeight = tabButtonBar ? tabButtonBar.offsetHeight : 0;
  3876.                     window.scrollTo(0, rightTabs.offsetTop - tabButtonBarHeight);
  3877.                   }
  3878.                 }, 60)
  3879.                // console.log(8519)
  3880.  
  3881.                 timeline.setTimeout(unlock, 80)
  3882.                 switchTabActivity(this)
  3883.  
  3884.               }, pInterval);
  3885.             }
  3886.  
  3887.  
  3888.           })
  3889.  
  3890.         })
  3891.  
  3892.  
  3893.  
  3894.  
  3895.       });
  3896.       /*
  3897.  
  3898.       $(materialTab).on("mousedown", ".font-size-btn", function(evt){
  3899.  
  3900.         evt.stopPropagation();
  3901.         evt.stopImmediatePropagation();
  3902.  
  3903.       });
  3904.  
  3905.       $(materialTab).on("pointerdown", ".font-size-btn", function(evt){
  3906.  
  3907.         evt.stopPropagation();
  3908.         evt.stopImmediatePropagation();
  3909.  
  3910.       });
  3911.       
  3912.       $(materialTab).on("mouseup", ".font-size-btn", function(evt){
  3913.  
  3914.         evt.stopPropagation();
  3915.         evt.stopImmediatePropagation();
  3916.  
  3917.       });
  3918.  
  3919.       $(materialTab).on("pointerup", ".font-size-btn", function(evt){
  3920.  
  3921.         evt.stopPropagation();
  3922.         evt.stopImmediatePropagation();
  3923.  
  3924.       });
  3925.       */
  3926.  
  3927.       function updateCSS_fontsize(){
  3928.  
  3929.         let store = getStore();
  3930.         
  3931.         let ytdFlexyElm = kRef(ytdFlexy);
  3932.         if(ytdFlexyElm){
  3933.           if(store['font-size-#tab-info'])
  3934.           ytdFlexyElm.style.setProperty('--ut2257-info', store['font-size-#tab-info'])
  3935.           if(store['font-size-#tab-comments'])
  3936.           ytdFlexyElm.style.setProperty('--ut2257-comments', store['font-size-#tab-comments'])
  3937.           if(store['font-size-#tab-videos'])
  3938.           ytdFlexyElm.style.setProperty('--ut2257-videos', store['font-size-#tab-videos'])
  3939.           if(store['font-size-#tab-list'])
  3940.           ytdFlexyElm.style.setProperty('--ut2257-list', store['font-size-#tab-list'])
  3941.         }
  3942.  
  3943.       }
  3944.  
  3945.       $(materialTab).on("click", ".font-size-btn", function(evt){
  3946.  
  3947.         evt.preventDefault();
  3948.         evt.stopPropagation();
  3949.         evt.stopImmediatePropagation();
  3950.  
  3951.         let value = evt.target.matches('.font-size-plus')?1: evt.target.matches('.font-size-minus')?-1 :0;
  3952.  
  3953.         let active_tab_content = closestDOM.call(evt.target,'[userscript-tab-content]').getAttribute('userscript-tab-content'); 
  3954.  
  3955.         let store = getStore();
  3956.         let settingKey = `font-size-${active_tab_content}`
  3957.         if(!store[settingKey]) store[settingKey] = 1.0;
  3958.         if(value<0) store[settingKey] -= 0.05;
  3959.         else if(value>0) store[settingKey] += 0.05;
  3960.         if(store[settingKey]<0.1) store[settingKey] = 0.1;
  3961.         else if(store[settingKey]>10) store[settingKey] = 10.0;
  3962.         setStore(store);
  3963.  
  3964.  
  3965.         updateCSS_fontsize();
  3966.  
  3967.  
  3968.         //console.log(this.textContent)
  3969.  
  3970.  
  3971.       });
  3972.  
  3973.       updateCSS_fontsize();
  3974.  
  3975.  
  3976.  
  3977.     }
  3978.  
  3979.   }
  3980.  
  3981.  
  3982.   // ---------------------------------------------------------------------------------------------
  3983.   document.addEventListener("yt-navigate-finish", onNavigationEnd)
  3984.   //yt-navigate-redirect
  3985.   //"yt-page-data-fetched"
  3986.   //yt-navigate-error
  3987.   //yt-navigate-start
  3988.   //yt-page-manager-navigate-start
  3989.   //"yt-navigate"
  3990.   //"yt-navigate-cache
  3991.  
  3992.   document.addEventListener("yt-navigate-cache",()=>{
  3993.     console.log('yt-navigate-cache')
  3994.   })
  3995.   document.addEventListener("yt-navigate-redirect",()=>{
  3996.     console.log('yt-navigate-redirect')
  3997.   })
  3998.  
  3999.   function onReady(){
  4000.     //might be earlier than yt-navigation-finish
  4001.     console.log('html-onReady')
  4002.     if(location.pathname=='/watch') script_inject_js1.inject();
  4003.   }
  4004.  
  4005.   if(document.readyState!=='loading'){
  4006.     onReady();
  4007.   }else{
  4008.     document.addEventListener('DOMContentLoaded', onReady)
  4009.   }
  4010.  
  4011.   function forceConfig(){
  4012.     
  4013.     let trial = false;
  4014.     
  4015. /*
  4016.     let f=()=>{
  4017.       if(trial) return;
  4018.       let b = true;
  4019.       try{
  4020.         document.dispatchEvent(new CustomEvent("me-func"))
  4021.         window.yt.config_.EXPERIMENT_FLAGS.kevlar_watch_metadata_refresh=true
  4022.       }catch(e){
  4023.         b=false;
  4024.       }
  4025.       if(b) trial = true;
  4026.     }
  4027.     f();
  4028.     requestAnimationFrame(f)
  4029.     setTimeout(f,30)
  4030.     setTimeout(f,300)
  4031. */
  4032.     
  4033.     
  4034.   }
  4035.  
  4036.   document.addEventListener("yt-navigate-start",()=>{
  4037.     console.log('yt-navigate-start') // not always trigger before navigate-end
  4038.     
  4039.     no_fix_contents_until = 0;
  4040.     no_fix_playlist_until = 0;
  4041.  
  4042.     script_inject_js1.inject();
  4043.     forceConfig();
  4044.   })
  4045.  
  4046.   document.addEventListener("yt-page-manager-navigate-start",()=>{
  4047.     console.log('yt-page-manager-navigate-start')
  4048.     forceConfig();
  4049.   })
  4050.  
  4051.  
  4052.   document.addEventListener("loadstart", (evt) => {
  4053.     if (!evt || !evt.target || evt.target.nodeName !== "VIDEO") return;
  4054.     let elm = evt.target;
  4055.     if (!elm.matches('#player video, #movie_player video, video[tabview-mainvideo]')) return;
  4056.  
  4057.     
  4058.     mtc_store= Date.now()+2870
  4059.  
  4060.     let src = elm.src;
  4061.     if (src !== lastVideoURL) {
  4062.       lastVideoURL = elm.src;
  4063.       elm.setAttribute('tabview-mainvideo', ''); // mainly for mini playing
  4064.       
  4065.       no_fix_contents_until = 0;
  4066.       no_fix_playlist_until = 0;
  4067.       regularCheck(1,0,null); // mutation happens when the page is not ready; call again as the page is ready.
  4068.  
  4069.     }
  4070.  
  4071.   }, true)
  4072.  
  4073.   // ---------------------------------------------------------------------------------------------
  4074.  
  4075.   let scrolling_lastD = 0;
  4076.  
  4077.   const singleColumnScrolling = function(/** @type {boolean} */  scrolling_lastF) {
  4078.     
  4079.     if (!scriptEnable || deferredVarYTDHidden) return;
  4080.  
  4081.     let pageY = scrollY;
  4082.     if (pageY < 10 && scrolling_lastD === 0 && !scrolling_lastF) return;
  4083.  
  4084.     let targetElm, header, navElm;
  4085.  
  4086.     Promise.resolve().then(() => {
  4087.  
  4088.       targetElm = document.querySelector("#right-tabs");
  4089.       if (!targetElm) return;
  4090.       header = querySelectorFromAnchor.call(targetElm,"header");
  4091.       if (!header) return;
  4092.       navElm = document.querySelector('#masthead-container, #masthead')
  4093.       if (!navElm) return;
  4094.       let navHeight = navElm ? navElm.offsetHeight : 0
  4095.  
  4096.       let elmY = targetElm.offsetTop
  4097.  
  4098.       let xyz = [elmY + navHeight, pageY, elmY - navHeight]
  4099.  
  4100.       let xyStatus = 0
  4101.       if (xyz[1] < xyz[2] && xyz[2] < xyz[0]) {
  4102.         // 1
  4103.         xyStatus = 1
  4104.       }
  4105.  
  4106.       if (xyz[0] > xyz[1] && xyz[1] > xyz[2]) {
  4107.  
  4108.         //2
  4109.         xyStatus = 2
  4110.  
  4111.       }
  4112.  
  4113.       if (xyz[2] < xyz[0] && xyz[0] < xyz[1]) {
  4114.         // 3
  4115.  
  4116.         xyStatus = 3
  4117.  
  4118.  
  4119.       }
  4120.  
  4121.       return xyStatus;
  4122.  
  4123.     }).then((xyStatus) => {
  4124.  
  4125.       if ((xyStatus == 2 || xyStatus == 3) && (scrolling_lastD === 0 || scrolling_lastF)) {
  4126.         scrolling_lastD = 1;
  4127.         let {
  4128.           offsetHeight
  4129.         } = header
  4130.         let {
  4131.           offsetWidth
  4132.         } = targetElm
  4133.  
  4134.         targetElm.style.setProperty("--userscript-sticky-width", offsetWidth + 'px')
  4135.         targetElm.style.setProperty("--userscript-sticky", offsetHeight + 'px')
  4136.  
  4137.         wAttr(targetElm, 'userscript-sticky', true);
  4138.  
  4139.       } else if ((xyStatus == 1) && (scrolling_lastD === 1 || scrolling_lastF)) {
  4140.         scrolling_lastD = 0;
  4141.  
  4142.         wAttr(targetElm, 'userscript-sticky', false);
  4143.       }
  4144.  
  4145.  
  4146.       targetElm = null;
  4147.       header = null;
  4148.       navElm = null;
  4149.  
  4150.     });
  4151.  
  4152.   };
  4153.  
  4154.   window.addEventListener("scroll", function() {
  4155.     singleColumnScrolling(false)
  4156.   }, {
  4157.     capture: false,
  4158.     passive: true
  4159.   })
  4160.  
  4161.   let lastResizeAt = 0;
  4162.   window.addEventListener('resize', function() {
  4163.  
  4164.     if (!scriptEnable) return;
  4165.     if (deferredVarYTDHidden) return;
  4166.     lastResizeAt = Date.now();
  4167.  
  4168.     requestAnimationFrame(() => {
  4169.       singleColumnScrolling(true)
  4170.     })
  4171.  
  4172.   }, {
  4173.     capture: false,
  4174.     passive: true
  4175.   })
  4176.  
  4177.  
  4178.  
  4179.   
  4180.   let hist = null
  4181.   const getHistState = (history)=>`${history.length}|${history.state?history.state.entryTime:null}`;
  4182.   function newVideoPageCheck(){
  4183.     let hState = getHistState(history)
  4184.     if(hist!==hState) {
  4185.       hist=hState;
  4186.       if(scriptEnable){
  4187.         //scriptEnable = false;
  4188.         let callTimeout = !newVideoPage.entryTime
  4189.         newVideoPage.entryTime = 1
  4190.         if(callTimeout) setTimeout(newVideoPage,0)
  4191.         
  4192.       }
  4193.       return true;
  4194.     }
  4195.   }
  4196.   function newVideoPage(){
  4197.     newVideoPage.entryTime = 0;
  4198.  
  4199.     console.log('newVideoPage')
  4200.     
  4201.     
  4202.     //console.log('newVideoPage-', 150, location.href)
  4203.  
  4204.     let ytdFlexyElm = kRef(ytdFlexy);
  4205.     if(!ytdFlexyElm) return;
  4206.  
  4207.     timeline.reset();
  4208.     layoutStatusMutex = new Mutex();
  4209.  
  4210.     //console.log('newVideoPage-', 350, location.href)
  4211.     
  4212.     let flag1= /^https?\:\/\/(\w+\.)*youtube\.com\/watch\?(\w+\=[^\/\?\&]+\&|\w+\=?\&)*v=[\w\-\_]+/.test(location.href)
  4213.     let tf = ()=>{
  4214.  
  4215.       let isFlexyHidden = (deferredVarYTDHidden = ytdFlexyElm.hasAttribute('hidden'));
  4216.  
  4217.       let flag2 = !isFlexyHidden;  // flexy is visible
  4218.  
  4219.       if(flag1^flag2) return timeline.setTimeout(tf,7); else funcVisibleWatch();
  4220.  
  4221.       tf= null;
  4222.       funcVisibleWatch = null;
  4223.       ytdFlexyElm=null
  4224.  
  4225.     }
  4226.  
  4227.     let funcVisibleWatch = ()=>{
  4228.  
  4229.       //(flexy is visible and watch video page)  ||  (flexy is inivisible and it is not watch video page)
  4230.       
  4231.       //scriptEnable = true;
  4232.  
  4233.       let isFlexyHidden = (deferredVarYTDHidden = ytdFlexyElm.hasAttribute('hidden'));
  4234.       ytdFlexyHiddenCheckBasic(ytdFlexyElm)
  4235.  
  4236.       if(!isFlexyHidden) {
  4237.         //(flexy is visible and watch video page) 
  4238.  
  4239.         mtf_forceCheckLiveVideo_disable = 0;
  4240.         mtc_store= Date.now()+2870
  4241.  
  4242.         sect_lastUpdate = 0;
  4243.         if(pendingOne){
  4244.           // reset pendingOne = false if the element is already removed.
  4245.           pendingOne = document.querySelectorAll(`ytd-watch-flexy ytd-comments#comments [tabview-cache-time]`).length>1;
  4246.         }
  4247.  
  4248.         /*
  4249.         // try to omit in 2.5.x
  4250.         timeline.setTimeout(()=>{
  4251.           Q.mutationTarget=null;
  4252.           console.log(87101)
  4253.           FP.mtf_attrComments()
  4254.         },2870)
  4255.         */
  4256.     
  4257.         if(pageInit_attrComments) hookSection();
  4258.  
  4259.  
  4260.  
  4261.  
  4262.  
  4263.         
  4264.         let new_layoutStatus = wls.layoutStatus 
  4265.  
  4266.         const new_isExpandedChat = !(new_layoutStatus & LAYOUT_CHATROOM_COLLASPED) && (new_layoutStatus & LAYOUT_CHATROOM)
  4267.         const new_isCollaspedChat = (new_layoutStatus & LAYOUT_CHATROOM_COLLASPED) && (new_layoutStatus & LAYOUT_CHATROOM)
  4268.     
  4269.         const new_isTwoColumns = new_layoutStatus & LAYOUT_TWO_COLUMNS;
  4270.         const new_isTheater = new_layoutStatus & LAYOUT_THEATER;
  4271.         const new_isTabExpanded = new_layoutStatus & LAYOUT_TAB_EXPANDED;
  4272.         const new_isFullScreen = new_layoutStatus & LAYOUT_FULLSCREEN;
  4273.         const new_isExpandEPanel = new_layoutStatus & LAYOUT_ENGAGEMENT_PANEL_EXPAND;
  4274.  
  4275.         if( ytdFlexyElm.getAttribute('tabview-selection')==='' && new_isTwoColumns && !new_isTheater && !new_isTabExpanded && !new_isFullScreen && !new_isExpandEPanel && !new_isExpandedChat ){
  4276.           // e.g. engage panel removed after miniview and change video
  4277.           setToActiveTab();
  4278.         }else if(new_isExpandEPanel && querySelectorAllFromAnchor.call(ytdFlexyElm,'ytd-engagement-panel-section-list-renderer[visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]').length===0){
  4279.           wls.layoutStatus = new_layoutStatus & (~LAYOUT_ENGAGEMENT_PANEL_EXPAND)
  4280.         }
  4281.  
  4282.         //mtf_attrFlexy();
  4283.  
  4284.         FP.mtf_attrEngagementPanel();
  4285.       
  4286.         FP.mtf_attrPlaylist();
  4287.       
  4288.         //console.log(87102)
  4289.         // try to omit in 2.5.x
  4290.         //FP.mtf_attrComments();   
  4291.       
  4292.         FP.mtf_attrChatroom();
  4293.  
  4294.  
  4295.       }
  4296.  
  4297.       no_fix_contents_until = 0;
  4298.       no_fix_playlist_until = 0;
  4299.       scriptEnable = true;
  4300.       regularCheck(1,0,null); // mutation happens when the page is not ready; call again as the page is ready.
  4301.  
  4302.  
  4303.  
  4304.       
  4305.  
  4306.     }
  4307.     
  4308.  
  4309.     
  4310.     tf();
  4311.     
  4312.  
  4313.  
  4314.   }
  4315.  
  4316.  
  4317.  
  4318.   function browserHistoryState(){
  4319.     let maxCount = 5
  4320.  
  4321.     if (!scriptEnable) return;
  4322.     
  4323.     let ytdFlexyElm = kRef(ytdFlexy);
  4324.     if(!ytdFlexyElm) return;
  4325.  
  4326.     let cid = timeline.setInterval(function(){
  4327.       if(newVideoPageCheck()){
  4328.         timeline.clearInterval(cid);
  4329.       }
  4330.       if(--maxCount===0) timeline.clearInterval(cid);
  4331.     },7)
  4332.  
  4333.   }
  4334.  
  4335.  
  4336.   window.addEventListener('hashchange', function() {
  4337.     if (!scriptEnable) return;
  4338.     console.log('hashchange');
  4339.     browserHistoryState();
  4340.   }, { capture: true })
  4341.  
  4342.   window.addEventListener('popstate', function() {
  4343.     if (!scriptEnable) return;
  4344.     console.log('popstate');
  4345.     browserHistoryState();
  4346.   }, { capture: true })
  4347.  
  4348.  
  4349.   // function clearMutationObserver(o, key) {
  4350.   //   if (o[key]) {
  4351.   //     o[key].takeRecords();
  4352.   //     o[key].disconnect();
  4353.   //     o[key] = null;
  4354.   //     return true;
  4355.   //   }
  4356.   // }
  4357.  
  4358.   // function initMutationObserver(o, key, callback) {
  4359.   //   clearMutationObserver(o, key);
  4360.   //   const mto = new MutationObserver(callback);
  4361.   //   o[key] = mto;
  4362.   //   return mto;
  4363.   // }
  4364.   // function initMutationObserver2(o, key, mtoFunc) {
  4365.   //   clearMutationObserver(o, key);
  4366.   //   const mto = mtoFunc();
  4367.   //   o[key] = mto;
  4368.   //   return mto;
  4369.   // }
  4370.  
  4371.   document.addEventListener('wheel', function(evt) {
  4372.  
  4373.     if (!scriptEnable) return;
  4374.     const displayedPlaylist_element = kRef(displayedPlaylist);
  4375.     if (displayedPlaylist_element && elementContains.call(displayedPlaylist_element, evt.target)) {
  4376.       evt.stopPropagation();
  4377.       evt.stopImmediatePropagation();
  4378.     }
  4379.   }, { capture: true, passive: true });
  4380.  
  4381.  
  4382.   function setVideosTwoColumns(/** @type {number} */ flag, /** @type {boolean} */ bool) {
  4383.  
  4384.     //two columns to one column
  4385.  
  4386.     /*
  4387.         [placeholder-videos] ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy
  4388.  
  4389.         is-two-columns =""  => no is-two-columns
  4390.         
  4391.         
  4392.         
  4393.         [placeholder-videos] tp-yt-paper-spinner#spinner.style-scope.ytd-continuation-item-renderer
  4394.         
  4395.         no hidden => hidden =""
  4396.         
  4397.         
  4398.         [placeholder-videos] div#button.style-scope.ytd-continuation-item-renderer
  4399.         
  4400.         
  4401.         hidden ="" => no hidden
  4402.         
  4403.  
  4404.         */
  4405.  
  4406.     let cssSelector1 = '[placeholder-videos] ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy'
  4407.  
  4408.     let cssSelector2 = '[placeholder-videos] tp-yt-paper-spinner#spinner.style-scope.ytd-continuation-item-renderer'
  4409.  
  4410.     let cssSelector3 = '[placeholder-videos] div#button.style-scope.ytd-continuation-item-renderer'
  4411.  
  4412.     let res = {}
  4413.     if (flag & 1) {
  4414.       res.m1 = document.querySelector(cssSelector1)
  4415.       if (res.m1) wAttr(res.m1, 'is-two-columns', bool ? '' : false);
  4416.     }
  4417.  
  4418.     if (flag & 2) {
  4419.       res.m2 = document.querySelector(cssSelector2)
  4420.       if (res.m2) wAttr(res.m2, 'hidden', bool ? false : '');
  4421.     }
  4422.  
  4423.     if (flag & 4) {
  4424.       res.m3 = document.querySelector(cssSelector3)
  4425.       if (res.m3) wAttr(res.m3, 'hidden', bool ? '' : false);
  4426.     }
  4427.  
  4428.  
  4429.     return res
  4430.  
  4431.  
  4432.  
  4433.  
  4434.   }
  4435.  
  4436.   let lastScrollFetch = 0;
  4437.   // function isScrolledToEnd(){
  4438.   //     return (window.innerHeight + window.pageYOffset) >= document.scrollingElement.scrollHeight - 2;
  4439.   // }
  4440.   let lastOffsetTop = 0;
  4441.   window.addEventListener('scroll', function(evt) {
  4442.  
  4443.     //console.log(evt.target)
  4444.  
  4445.     if (!scriptEnable) return;
  4446.  
  4447.  
  4448.     if (!kRef(scrollingVideosList)) return;
  4449.     if (videoListBeforeSearch) return;
  4450.  
  4451.  
  4452.  
  4453.     let visibleHeight = document.scrollingElement.clientHeight;
  4454.     let totalHeight = document.scrollingElement.scrollHeight;
  4455.  
  4456.     if (totalHeight < visibleHeight * 1.5) return; // filter out two column view;
  4457.  
  4458.     let z = window.pageYOffset + visibleHeight;
  4459.     let h_advanced = totalHeight - (visibleHeight > 5 * 40 ? visibleHeight * 0.5 : 40);
  4460.  
  4461.  
  4462.  
  4463.     if (z > h_advanced && !isWideScreenWithTwoColumns()) {
  4464.  
  4465.       let ct = Date.now();
  4466.       if (ct - lastScrollFetch < 500) return; //prevent continuous calling
  4467.  
  4468.       lastScrollFetch = ct;
  4469.  
  4470.       let res = setVideosTwoColumns(2 | 4, true)
  4471.       if (res.m3 && res.m2) {
  4472.  
  4473.         //wait for DOM change, just in case
  4474.         requestAnimationFrame(() => {
  4475.           let { offsetTop } = res.m2 // as visibility of m2 & m3 switched.
  4476.  
  4477.           if (offsetTop - lastOffsetTop < 40) return; // in case bug, or repeating calling.  // the next button shall below the this button 
  4478.           lastOffsetTop = offsetTop
  4479.  
  4480.           res.m2.parentNode.dispatchEvent(new Event('yt-service-request-sent-button-renderer'))
  4481.  
  4482.           res = null
  4483.         })
  4484.  
  4485.       } else {
  4486.  
  4487.         res = null
  4488.       }
  4489.  
  4490.  
  4491.     }
  4492.  
  4493.  
  4494.  
  4495.  
  4496.   }, { passive: true })
  4497.  
  4498.   let sect_lastUpdate = 0;
  4499.  
  4500.   let sect_holder = null;
  4501.   let sect_hText = null;
  4502.   let sect_hTime = 0;
  4503.  
  4504.   let pendingOne = false;
  4505.   let mtf_forceCheckLiveVideo_disable = 0;
  4506.  
  4507.   let storeLastPanel = null;
  4508.  
  4509.   /** @type {boolean | null} */
  4510.   let deferredVarYTDHidden = null;
  4511.   let scheduledCommentRefresh = false;
  4512.  
  4513.   let pageInit_attrComments = false;
  4514.  
  4515.  
  4516.  
  4517.   let mgChatFrame = {
  4518.     setVar(elm) {
  4519.       mgChatFrame.kVar = mWeakRef(elm)
  4520.     },
  4521.     getVar() {
  4522.       return kRef(mgChatFrame.kVar)
  4523.     },
  4524.     inPage() {
  4525.       let elm = mgChatFrame.getVar();
  4526.       if (!elm) return false;
  4527.       let ytdFlexyElm = kRef(ytdFlexy);
  4528.       if(!ytdFlexyElm) return false;
  4529.       return elementContains.call(ytdFlexyElm, elm)
  4530.     }
  4531.   };
  4532.  
  4533.   const timeline = {
  4534.     // after initialized (initObserver)
  4535.     cn1:{},
  4536.     cn2:{},
  4537.     setTimeout( /** @type {TimerHandler} */ f,/** @type {number} */ d){
  4538.       let cid = setTimeout(f,d)
  4539.       timeline.cn1[cid]=true
  4540.       return cid;
  4541.     },
  4542.     clearTimeout(/** @type {number} */ cid){
  4543.       timeline.cn1[cid]=false; return clearTimeout(cid)
  4544.     },
  4545.     setInterval(/** @type {TimerHandler} */ f,/** @type {number} */ d){
  4546.       let cid = setInterval(f,d);
  4547.       timeline.cn2[cid]=true
  4548.       return cid;
  4549.     },
  4550.     clearInterval(/** @type {number} */ cid){
  4551.       timeline.cn2[cid]=false; return clearInterval(cid)
  4552.     },
  4553.     reset(){
  4554.       for(let cid in timeline.cn1) timeline.cn1[cid] && clearTimeout(cid)
  4555.       for(let cid in timeline.cn2) timeline.cn2[cid] && clearInterval(cid)
  4556.       timeline.cn1={}
  4557.       timeline.cn2={}
  4558.     }
  4559.   }
  4560.  
  4561.   class AttributeMutationObserver extends MutationObserver {
  4562.     constructor(flist){
  4563.       super((mutations, observer)=>{
  4564.         for(const mutation of mutations){
  4565.           if (mutation.type === 'attributes') {
  4566.             this.checker(mutation.target, mutation.attributeName)
  4567.           }
  4568.         }
  4569.       })
  4570.       this.flist=flist;
  4571.       this.res={}
  4572.     }
  4573.     
  4574.     takeRecords(){
  4575.       super.takeRecords();
  4576.     }
  4577.     disconnect(){
  4578.       this._target = null;
  4579.       super.disconnect();
  4580.     }
  4581.     observe(/** @type {Node} */ target){
  4582.       if(this._target) return; 
  4583.       //console.log(123124, target)
  4584.       this._target = mWeakRef(target);
  4585.       
  4586.       //console.log(123125, kRef(this._target))
  4587.       const options = {
  4588.         attributes: true,
  4589.         attributeFilter: Object.keys(this.flist),
  4590.         //attributeFilter: [ "status", "username" ],
  4591.         attributeOldValue: true
  4592.       }
  4593.       super.observe(target, options)
  4594.     }
  4595.     checker(/** @type {Node} */ target,/** @type {string} */ attributeName){
  4596.       let nv = target.getAttribute(attributeName);
  4597.       if(this.res[attributeName]!==nv){
  4598.         this.res[attributeName] = nv
  4599.         let f = this.flist[attributeName];
  4600.         if(f) f(attributeName, nv);
  4601.  
  4602.       }
  4603.     }
  4604.     check(delay = 0){
  4605.       setTimeout(()=>{
  4606.         let target = kRef(this._target)
  4607.         if(target!==null){
  4608.           for(const key of Object.keys(this.flist)){
  4609.             this.checker(target,key)
  4610.           }
  4611.         }else{
  4612.           console.log('target is null') //disconnected??
  4613.         }
  4614.         target = null;
  4615.       },delay)
  4616.     }
  4617.   } 
  4618.  
  4619.   function goYoutubeGeniusLyrics(){
  4620.  
  4621.     setTimeout(function $f(){
  4622.  
  4623.       if(!document.documentElement.hasAttribute('w-engagement-panel-genius-lyrics')) return setTimeout($f,100)
  4624.  
  4625.       document.documentElement.dispatchEvent(new CustomEvent('engagement-panel-genius-lyrics'))
  4626.  
  4627.  
  4628.     },100)
  4629.  
  4630.  
  4631.  
  4632.   }
  4633.  
  4634.  
  4635.   /*
  4636.  
  4637.   To be implement: timeline
  4638.  
  4639.   timeline.setTimeout
  4640.   timeline.clearTimeout
  4641.   timeline.setInterval
  4642.   timeline.clearInterval
  4643.  
  4644.   */
  4645.  
  4646.  
  4647.  
  4648.   //Object.keys($0).filter(key=>!(key in $0.constructor.prototype))
  4649.  
  4650.   //Object.getOwnPropertyNames(window).filter(k=>k.startsWith('HTML'))
  4651.   //Object.getOwnPropertyNames(window).filter(k=>k.startsWith('HTML')).filter(k=>$0 instanceof window[k])
  4652.  
  4653.  
  4654.   /* --------------------------- browser's bug in -webkit-box ----------------------------------------- */
  4655.  
  4656.   /*
  4657.    fix bug for comment section - version 1.8.7 
  4658.   This issue is the bug in browser's rendering
  4659.    I guess, this is due to the lines clamp with display:-webkit-box 
  4660.    use stupid coding to let it re-render when its content become visible
  4661.    
  4662.   /*
  4663.  
  4664.   ytd-expander[should-use-number-of-lines][collapsed] > #content.ytd-expander {
  4665.       color: var(--yt-spec-text-primary);
  4666.       display: -webkit-box;
  4667.       overflow: hidden;
  4668.       max-height: none;
  4669.       -webkit-box-orient: vertical;
  4670.       -webkit-line-clamp: var(--ytd-expander-max-lines, 4);
  4671.   }
  4672.  
  4673.   // v1.8.36 imposed a effective solution for fixing this bug
  4674.  
  4675.   */
  4676.  
  4677.   /* --------------------------- browser's bug in -webkit-box ----------------------------------------- */
  4678.  
  4679.  
  4680.   /**
  4681.    * 
  4682.  
  4683.  
  4684. f.initChildrenObserver=function(){var a=this;this.observer=new MutationObserver(function(){return a.childrenChanged()});
  4685. this.observer.observe(this.$.content,{subtree:!0,childList:!0,attributes:!0});this.childrenChanged()};
  4686. f.childrenChanged=function(){var a=this;this.alwaysToggleable?this.canToggle=this.alwaysToggleable:this.canToggleJobId||(this.canToggleJobId=window.requestAnimationFrame(function(){$h(function(){a.canToggleJobId=0;a.calculateCanCollapse()})}))};
  4687.  
  4688.  
  4689. f.onIronResize=function(){this.recomputeOnResize&&this.childrenChanged()};
  4690.  
  4691.  
  4692. onButtonClick_:function(){this.fire("yt-close-upsell-dialog")},
  4693. computeHasHeader_:function(a){return!!a.headerBackgroundImage}});var geb;var heb;var ieb;var jeb;var xI=function(){var a=L.apply(this,arguments)||this;a.alignAuto=!1;a.collapsed=!0;a.isToggled=!1;a.alwaysCollapsed=!1;a.canToggle=!0;a.collapsedHeight=80;a.disableToggle=!1;a.alwaysToggleable=!1;a.reversed=!1;a.shouldUseNumberOfLines=!1;a.recomputeOnResize=!1;a.canToggleJobId=0;return a};
  4694. n(xI,L);f=xI.prototype;f.alwaysToggleableChanged=function(){this.alwaysToggleable&&(this.canToggle=!0)};
  4695.  
  4696.  
  4697. f.calculateCanCollapse=function(){this.canToggle=this.shouldUseNumberOfLines?this.alwaysToggleable||this.$.content.offsetHeight<this.$.content.scrollHeight:this.alwaysToggleable||this.$.content.scrollHeight>this.collapsedHeight};
  4698. f.detachObserver=function(){this.observer&&this.observer.disconnect()};
  4699.  
  4700.    * 
  4701.    * 
  4702.    * 
  4703.    */
  4704.  
  4705.  
  4706.  
  4707.  
  4708. })();
  4709.  
  4710.  
  4711.  
  4712.  
  4713.  
  4714.  
  4715.  
  4716.  
  4717.  
  4718.  
  4719.  
  4720.  
  4721.  
  4722.  
  4723.  
  4724.  
  4725.  
  4726.  
  4727.  
  4728.  
  4729.  
  4730.  
  4731.  
  4732.  
  4733.  
  4734.  
  4735.  
  4736.  
  4737.  
  4738.  
  4739.  
  4740.  
  4741.  
  4742.  
  4743.  
  4744.  
  4745.  
  4746.  
  4747.  
  4748.  
  4749.  
  4750.  
  4751.     // https://github.com/cyfung1031/Tabview-Youtube/raw/main/js/content.js
  4752.  
  4753. }
  4754.  
  4755.  
  4756. ;!(function $$() {
  4757.     'use strict';
  4758.  
  4759.     if(document.documentElement==null) return window.requestAnimationFrame($$)
  4760.  
  4761.     const cssTxt = GM_getResourceText("contentCSS");
  4762.  
  4763.     function addStyle (styleText) {
  4764.       const styleNode = document.createElement('style');
  4765.       styleNode.type = 'text/css';
  4766.       styleNode.textContent = styleText;
  4767.       document.documentElement.appendChild(styleNode);
  4768.       return styleNode;
  4769.     }
  4770.  
  4771.     addStyle (cssTxt);
  4772.  
  4773.     main(window.$);
  4774.  
  4775.  
  4776.     // Your code here...
  4777. })();