☰

FYTE /Fast YouTube Embedded/ Player

Hugely improves load speed of pages with lots of embedded Youtube videos by instantly showing clickable and immediately accessible placeholders, then the thumbnails are loaded in background. Optionally a fast simple HTML5 direct playback (720p max) can be selected if available for the video.

目前为 2024-05-26 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name           FYTE /Fast YouTube Embedded/ Player
  3. // @description    Hugely improves load speed of pages with lots of embedded Youtube videos by instantly showing clickable and immediately accessible placeholders, then the thumbnails are loaded in background. Optionally a fast simple HTML5 direct playback (720p max) can be selected if available for the video.
  4. // @description:en Hugely improves load speed of pages with lots of embedded Youtube videos by instantly showing clickable and immediately accessible placeholders, then the thumbnails are loaded in background. Optionally a fast simple HTML5 direct playback (720p max) can be selected if available for the video.
  5. // @description:ru На порядок ускоряет время загрузки страниц с большим количеством вставленных Youtube-видео. С первого момента загрузки страницы появляются заглушки для видео, которые можно щелкнуть для загрузки плеера, и почти сразу же появляются кавер-картинки с названием видео. В опциях можно включить режим использования упрощенного браузерного плеера (макс. 720p).
  6. //
  7. // @version        2.13.0
  8. //
  9. // @include        *
  10. // @exclude        /^https:\/\/(www\.)?youtube\.com\/(?!embed)/
  11. // @exclude        https://accounts.google.*/o/oauth2/postmessageRelay*
  12. // @exclude        https://clients*.google.*/youtubei/*
  13. // @exclude        https://clients*.google.*/static/proxy*
  14. //
  15. // @author         wOxxOm
  16. // @namespace      wOxxOm.scripts
  17. // @license        MIT License
  18. //
  19. // @grant          GM_getValue
  20. // @grant          GM_listValues
  21. // @grant          GM_deleteValue
  22. // @grant          GM_setValue
  23. // @grant          GM_addStyle
  24. // @grant          GM_xmlhttpRequest
  25. //
  26. // @connect        www.youtube.com
  27. // @connect        youtube.com
  28. //
  29. // @run-at         document-start
  30. //
  31. // @icon           data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAMAAAD04JH5AAAABGdBTUEAALGPC/xhBQAAAAFzUkdCAK7OHOkAAAAZdEVYdFNvZnR3YXJlAEFkb2JlIEltYWdlUmVhZHlxyWU8AAAARVBMVEVMaXEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD///8SEhLg4OC5ubnNzc1jY2Pt7e0xMTGbm5uFhYWqqqpFRUXPnCirAAAACnRSTlMAGWQyT86G4vOxURbENgAAA3xJREFUeNrtm+eSrCAQhQeMYEAQ5v0f9eKuIOoEidbW5fzaMMJXTbBpzjweWVlZWVlZWVkHAVAUpRSE9SKkVK1qdmql9n9Rn1PP/bRSQ7i0WRQAfO69qJFsE8fSQovq4m33JYrXt4mBytexRziZ0IuRKBucUM0pCDVOrPrm/g8E0Pbp/p0s2oDG6mt3bTP2fD6nRZzzeZ6FEOMi8qvhKEqp8dv6qeUB+aB8XDaytCXbZMwEbLf1aMz/pxhoF0+DmLa+qvMA9GMXXSM7DgLQC5ANXQINT70YwT4AafrvOsr2IdAzgHSJRHazQC+BqUumyVwIagT6IR3A0BtjgNIHYAsBkgDV+rNICSC2SaAXIUkJoKZhCx5gnYM9TQlAew2gFgHrkorpZXAvAC4epXoLpQVQ23HpAkDGGACTzRriwTaCUm+EFgCjjBcJBAB1NmgHgHseBqDWANwOwDcI/AQw2wLgfr4ZQAbB/QU6awDkAeARhFm/DpH9y3A0cuvJMQjiBDC6AbgGIRyAYxDGEwBxBsC98AGo/AFcgkB0ShQEwD4IoQFkEOjNAJiNbgAqJx18AeyCoAAaBdAHALAJgjqahAWwCEIsgMtBiAYgEwvqBkBDAWBGbga4lK5FBbiSrlEN0MYA+J5i6sNhJAAmLgNEGYLv2wGNOQeu7AUxAS7thvFWwcXMIBrA1dwo0lZ8PTGKA2CRGsYAsDohDKeUzBvALjMOnhPaHpBCA1gXC8ICOJwPgwK41ErGcIdTt2pROADHUpEIVaBwLZYFAmDOlbKtRONTpOLuJf45QJWM+ZSMuX+hcvK64TgDWJZqmWfFfCvVuhWrJ98Lnq1Y7VKuD3DHPflcWAwBrji9bkxCiGmA//zWTALcfnF579Xt4qGo7Pdif82Gg+GW6/uncX0PcfoxIKaJBNxp4QA7E8uYqn+BjRF46L0wmYuEaEPXauqrNAFJ27/ycpUBruGub0F8M7SVL8xsjBNKI22KlA6EM8PYudlJm4NX8GzoM/x8wwdtVr7RtPJNi5WPHeyGjWEsLS3ttN5mxmUJ7mylMImhd9c/PJhqExO0J1ttWaXsv3phrwZ1siC0NXjjLE9j7f7gLgcQVT+O+UjW9rapEARf/f17g39t+vuVpf+dtMHf9PYb5n7g+JWDHxXFL9gquJPxj+Vz6yP56xpZWVlZWVl/Qf8Ao4r0HI4dIbEAAAAASUVORK5CYII=
  32. //
  33. // @compatible     chrome
  34. // @compatible     firefox
  35. // @compatible     opera
  36. // ==/UserScript==
  37.  
  38. 'use strict';
  39.  
  40. let localStorage;
  41. try { ({localStorage} = window); } catch (e) { localStorage = {}; }
  42. // keep video info cache for a month since last time it's shown
  43. const CACHE_STALE_DURATION = 30 * 24 * 3600e3;
  44. const CACHE_PREFIX = 'FYTE-cache-';
  45. const CACHE_PROPS = [
  46.   ['videoWidth', 0],
  47.   ['videoHeight', 0],
  48.   ['duration'],
  49.   ['fps'],
  50.   ['title'],
  51.   ['coverWidth', 0],
  52.   ['coverHeight', 0],
  53.   ['cover'],
  54. ];
  55. const rxYoutubeId = /(?:https?:)?\/\/(?:www\.)?(?:youtube(?:-nocookie)?\.com(?=\/)(?:\/embed\/(?:v=)?|.*?[&?/]v[=/])|youtu\.be\/)([-\w]+)[^'"\s]*/;
  56. const rxYoutubeIdHtml = new RegExp(`${/(?:src|value)\s*=\s*["']\s*/.source}(${rxYoutubeId.source})['"]|$`, 'i');
  57. const cfg = {
  58.   width: 1280,
  59.   height: 720,
  60.   invidious: false,
  61.   resize: 'Fit to width',
  62.   rules: {},
  63.   pinnable: 'on',
  64.   pinnedWidth: 400,
  65.   playHTML5: false,
  66.   playHTML5Shown: false,
  67.   showStoryboard: true,
  68.   skipCustom: true,
  69. };
  70. const checked = new WeakMap();
  71. const dbCache = {};
  72. const dbFlush = new Set();
  73. const dbFlushDelay = 1000;
  74. let _, db, fytedom, styledom, iframes, objects, persite, playbtn;
  75.  
  76. if (location.hostname === 'www.youtube.com') {
  77.   if ((unsafeWindow.chrome || 0).app && window !== top)
  78.     setupYoutubeFullscreenRelay();
  79. } else {
  80.   for (const [k, def] of Object.entries(cfg)) {
  81.     const v = GM_getValue(k, def);
  82.     cfg[k] = typeof v === typeof def ? v : def;
  83.   }
  84.   _ = initTL();
  85.   persite = getPersiteRule();
  86.   fytedom = document.getElementsByClassName('instant-youtube-container');
  87.   iframes = document.getElementsByTagName('iframe');
  88.   objects = document.getElementsByTagName('object');
  89.   updateCustomSize();
  90.   findEmbeds([]);
  91.   injectStylesIfNeeded();
  92.   new MutationObserver(findEmbeds)
  93.     .observe(document, {subtree: true, childList: true});
  94.   document.addEventListener('DOMContentLoaded', e => {
  95.     injectStylesIfNeeded();
  96.     adjustNodesIfNeeded(e);
  97.   }, {once: true});
  98.   addEventListener('resize', adjustNodesIfNeeded, true);
  99.   addEventListener('message', onMessageHost);
  100. }
  101.  
  102. function setupYoutubeFullscreenRelay() {
  103.   parent.postMessage('FYTE-toggle-fullscreen-init', '*');
  104.   addEventListener('message', function onMessage(e) {
  105.     if (e.source !== parent ||
  106.         e.data !== 'FYTE-toggle-fullscreen-init-confirmed')
  107.       return;
  108.     removeEventListener('message', onMessage);
  109.     const fsbtn = document.getElementsByClassName('ytp-fullscreen-button');
  110.     new MutationObserver(function () {
  111.       const el = fsbtn[0];
  112.       if (el) {
  113.         this.disconnect();
  114.         el.removeAttribute('aria-disabled');
  115.         el.replaceWith(el.cloneNode(true));
  116.         fsbtn[0].addEventListener('click', () => parent.postMessage('FYTE-toggle-fullscreen', '*'));
  117.       }
  118.     }).observe(document, {subtree: true, childList: true});
  119.   });
  120. }
  121.  
  122. function getPersiteRule() {
  123.   const h = location.hostname;
  124.   const rule =
  125.     (cfg.rules || {})[h] ||
  126.     h === 'developers.google.com' && {
  127.       test: '[data-video-id]',
  128.       src: e => '//youtu.be/' + e.dataset.videoId,
  129.     } ||
  130.     h === 'play.google.com' && {
  131.       eatparent: 0,
  132.     } ||
  133.     h === 'androidauthority.com' && {
  134.       eatparent: '.video-container',
  135.     } ||
  136.     h === 'reddit.com' && {
  137.       test: '[data-url*="youtube.com/"], [data-url*="youtu.be/"]',
  138.       has: '[src*="/mediaembed"]',
  139.       attr: 'data-url',
  140.     } ||
  141.     h === '9gag.com' && {
  142.       eatparent: 0,
  143.     } ||
  144.     h === 'anilist.co' && {
  145.       eatparent: '.youtube',
  146.     } ||
  147.     h === 'www.theverge.com' && {
  148.       eatparent: '.p-scalable-video',
  149.     } ||
  150.     /^www\.google\.\w{2,3}(\.\w{2,3})?$/.test(h) && $('html[itemtype$="SearchResultsPage"]') && {
  151.       find: '#rcnt a[data-attrid="VisualDigestVideoResult"][href*="youtube.com/watch"]',
  152.       test: '',
  153.       eatparent: 2,
  154.     };
  155.   if (!rule)
  156.     return;
  157.   Object.setPrototypeOf(rule, null);
  158.   const {find = 'iframe', has, test: q = '[src*="youtube.com/embed"]'} = rule;
  159.   if (!/^\.?[a-z][-a-z]*$/i.test(find))
  160.     Object.defineProperty(rule, 'find', {get: () => document.querySelectorAll(find)});
  161.   else
  162.     rule.find = find[0] === '.'
  163.       ? document.getElementsByClassName(find.slice(1))
  164.       : document.getElementsByTagName(find);
  165.   if (q)
  166.     rule.test = el =>
  167.       (el = el.matches(q) ? el : el.querySelector(q)) &&
  168.       (!has || el.querySelector(has)) && el;
  169.   return rule;
  170. }
  171.  
  172. function onMessageHost(e) {
  173.   switch (e.data) {
  174.     case 'FYTE-toggle-fullscreen-init':
  175.       if (findFrameElement(e.source))
  176.         e.source.postMessage('FYTE-toggle-fullscreen-init-confirmed', '*');
  177.       break;
  178.     case 'FYTE-toggle-fullscreen': {
  179.       const el = findFrameElement(e.source);
  180.       if (el)
  181.         goFullscreen(el,
  182.           !(document.fullscreenElement || document.fullScreen || document.mozFullScreen));
  183.       break;
  184.     }
  185.     case 'iframe-allowfs':
  186.       $$('iframe:not([allowfullscreen])').some(iframe => {
  187.         if (iframe.contentWindow === e.source) {
  188.           iframe.allowFullscreen = true;
  189.           return true;
  190.         }
  191.       });
  192.       if (window !== top)
  193.         parent.postMessage('iframe-allowfs', '*');
  194.       break;
  195.   }
  196. }
  197.  
  198. function findFrameElement(frameWindow) {
  199.   return $$('iframe[allowfullscreen]').find(el => el.contentWindow === frameWindow);
  200. }
  201.  
  202. async function findEmbeds(mutations) {
  203.   const found = [];
  204.   if (mutations.length === 1) {
  205.     const added = mutations[0].addedNodes;
  206.     if (!added[0] || !added[1] && added[0].nodeType === 3)
  207.       return;
  208.   }
  209.   if (persite)
  210.     for (let el of persite.find)
  211.       if (!persite.test || (el = persite.test(el)))
  212.         processEmbed(found, el, persite.src ? persite.src(el) : el.getAttribute(persite.attr));
  213.   let hasChild;
  214.   for (let i = 0, w; i < length; i++, w && checked.set(w, null))
  215.     if ((w = unsafeWindow[i]) && typeof w === 'object' && !checked.has(w) && (hasChild = w))
  216.       break;
  217.   if (hasChild) {
  218.     for (const el of iframes) {
  219.       const src = rxYoutubeId.exec(el.dataset.src || el.src);
  220.       if (src) processEmbed(found, el, src[0]);
  221.     }
  222.     for (const el of objects) {
  223.       const src = el.innerHTML.match(rxYoutubeIdHtml)[1];
  224.       if (src) processEmbed(found, el, src);
  225.     }
  226.   }
  227.   if (!found.length)
  228.     return;
  229.   const toRead = [];
  230.   for (const [id] of found)
  231.     if (!dbCache[id] && !toRead.includes(id))
  232.       toRead.push(id);
  233.   if (toRead.length)
  234.     await read(toRead);
  235.   for (const r of found)
  236.     createFYTE(...r);
  237. }
  238.  
  239. function decodeEmbedUrl(url) {
  240.   return /youtube(-nocookie)?\.com%2Fembed/.test(url) ?
  241.     decodeURIComponent(url.replace(/^.*?(http[^&?=]+?youtube(-nocookie)?\.com%2Fembed[^&]+).*$/i, '$1')) :
  242.     url;
  243. }
  244.  
  245. function processEmbed(res, node, src) {
  246.   src = src || node.src || node.href || '';
  247.   if (!src || checked.get(node) === src)
  248.     return;
  249.   checked.set(node, src);
  250.   let n = node;
  251.   let np = n.parentNode;
  252.   const srcFixed = decodeEmbedUrl(src)
  253.     .replace(/\/(watch\?v=|v\/)/, '/embed/')
  254.     .replace(/^([^?&]+)&/, '$1?');
  255.   if (src.indexOf('cdn.embedly.com/') > 0 ||
  256.       cfg.resize !== 'Original' && np && np.children.length === 1 && !np.className && !np.id) {
  257.     n = location.hostname === 'disqus.com' ? np.parentNode : np;
  258.     np = n.parentElement;
  259.   }
  260.   if (!np ||
  261.       !np.parentNode ||
  262.       cfg.skipCustom && srcFixed.includes('enablejsapi=1') ||
  263.       srcFixed.includes('/embed/videoseries') ||
  264.       node.matches('.instant-youtube-embed, .YTLT-embed, .ihvyoutube') ||
  265.       node.style.position === 'fixed' ||
  266.       node.onload // skip some retarded loaders
  267.   )
  268.     return;
  269.  
  270.   let id = srcFixed.match(rxYoutubeId);
  271.   if (!id)
  272.     return;
  273.   id = id[1];
  274.  
  275.   if (np.localName === 'object') {
  276.     n = np;
  277.     np = n.parentElement;
  278.   }
  279.  
  280.   let eatparent = persite && persite.eatparent || 0;
  281.   if (typeof eatparent === 'string') {
  282.     n = np.closest(eatparent) || n;
  283.   } else {
  284.     while (eatparent--) {
  285.       n = np;
  286.       np = n.parentElement;
  287.     }
  288.   }
  289.   res.push([id, node, n, getUrl(srcFixed)]);
  290.   stopOriginalEmbed(node);
  291. }
  292.  
  293. function createFYTE(id, node, n, srcFixed) {
  294.   const cache = dbCache[id] || {id};
  295.   const autoplay = /[?&](autoplay=1|ps=play)(&|$)/.test(srcFixed);
  296.   const div = $create('div.container');
  297.   const img = $create('img.thumbnail');
  298.   if (!autoplay) {
  299.     img.src = getUrl(cache.cover) || getCoverUrl(id, 'maxresdefault.jpg');
  300.     img.onerror = onCoverError;
  301.   }
  302.   injectStylesIfNeeded('force');
  303.   div.FYTE = {
  304.     state: 'querying',
  305.     srcEmbed: srcFixed.replace(/&$/, ''),
  306.     originalWidth: /%/.test(node.width) ? 320 : node.width | 0 || n.clientWidth | 0,
  307.     originalHeight: /%/.test(node.height) ? 200 : node.height | 0 || n.clientHeight | 0,
  308.     cache: cache,
  309.   };
  310.   div.FYTE.srcEmbedFixed =
  311.     div.FYTE.srcEmbed.replace(/^http:/, 'https:')
  312.       .replace(/([&?])(wmode=\w+|feature=oembed)&?/, '$1')
  313.       .replace(/[&?]$/, '');
  314.   div.FYTE.srcWatchFixed =
  315.     div.FYTE.srcEmbedFixed.replace('/embed/', '/watch?v=').replace(/(\?.*?)\?/, '$1&');
  316.  
  317.   cache.lastUsed = new Date();
  318.   write(cache);
  319.  
  320.   if (cache.reason)
  321.     div.setAttribute('disabled', '');
  322.  
  323.   const divSize = calcContainerSize(div, n);
  324.   const origStyle = getComputedStyle(n);
  325.   overrideCSS(div, Object.assign(
  326.     {
  327.       height: persite && persite.eatparent === 0 ? '100%' : divSize.h + 'px',
  328.       'min-width': Math.min(divSize.w, div.FYTE.originalWidth) + 'px',
  329.       'min-height': Math.min(divSize.h, div.FYTE.originalHeight) + 'px',
  330.       'max-width': divSize.w + 'px',
  331.     },
  332.     origStyle.transform && {
  333.       transform: origStyle.transform,
  334.     },
  335.     !autoplay && {
  336.       'background-color': 'transparent',
  337.       transition: 'background-color 2s',
  338.     },
  339.     // eslint-disable-next-line no-proto
  340.     ...Object.keys(origStyle.hasOwnProperty('position') ? origStyle : origStyle.__proto__ /*FF*/)
  341.       .filter(k => /^(position|left|right|top|bottom)$/.test(k) &&
  342.                    !/^(auto|static|block)$/.test(origStyle[k]))
  343.       .map(k => ({[k]: origStyle[k]})),
  344.     origStyle.display === 'inline' && {
  345.       display: 'inline-block',
  346.       width: '100%',
  347.     },
  348.     cfg.resize === 'Fit to width' && {
  349.       width: '100%',
  350.     }));
  351.   if (!autoplay) {
  352.     setTimeout(() => div.style.removeProperty('background-color'));
  353.     setTimeout(() => div.style.removeProperty('transition'), 2000);
  354.   }
  355.  
  356.   const wrapper = $create('div.wrapper', {}, [
  357.     img,
  358.     $create('a.title', {target: '_blank', href: div.FYTE.srcWatchFixed},
  359.       cache.title || cache.reason
  360.         ? [
  361.           $create('strong', {}, cache.title || cache.reason || ''),
  362.           cache.duration && $create('span', {}, cache.duration),
  363.           cache.fps && $create('i', {}, `${cache.fps}fps`),
  364.         ]
  365.         : '\xA0'),
  366.     (playbtn || initPlayButton()).cloneNode(true),
  367.     $create('span.alternative', {}, _(`msgPlay${cfg.playHTML5 ? 'HTML5' : ''}`)),
  368.     $create('div.storyboard', {hidden: !cfg.showStoryboard}),
  369.     $create('div.options-button', {}, _('Options')),
  370.   ]);
  371.   div.appendChild(wrapper);
  372.  
  373.   overrideCSS(img, Object.assign({
  374.     position: 'absolute',
  375.     margin: 'auto',
  376.     padding: 0,
  377.     top: 0,
  378.     left: 0,
  379.     right: 0,
  380.     bottom: 0,
  381.     'max-width': 'none',
  382.     'max-height': 'none',
  383.   }, !cache.cover && {
  384.     transition: 'opacity 0.1s ease-out',
  385.     opacity: 0,
  386.   }));
  387.   img.FYTE = [div, divSize, autoplay];
  388.   img.onload = onCoverLoad;
  389.   if (cache.coverWidth || img.naturalWidth)
  390.     img.onload();
  391.  
  392.   n.parentNode.insertBefore(div, n);
  393.   n.remove();
  394.  
  395.   if (!cache.title && !cache.reason || autoplay && cfg.playHTML5)
  396.     fetchInfo.call(div);
  397.  
  398.   if (autoplay) {
  399.     startPlaying(div);
  400.   } else {
  401.     div.addEventListener('click', clickHandler);
  402.     div.addEventListener('mousedown', clickHandler);
  403.     div.addEventListener('mouseenter', fetchInfo);
  404.   }
  405.   if (cfg.showStoryboard)
  406.     div.addEventListener('mousemove', trackMouse);
  407. }
  408.  
  409. function fetchInfo(e) {
  410.   this.FYTE.mouseEvent = e;
  411.   this.removeEventListener('mouseenter', fetchInfo);
  412.   if (!this.FYTE.storyboard) {
  413.     const {id} = this.FYTE.cache;
  414.     GM_xmlhttpRequest({
  415.       method: 'GET',
  416.       url: 'https://www.youtube.com/watch?v=' + id,
  417.       context: this,
  418.       onload: parseVideoInfo,
  419.     });
  420.   }
  421. }
  422.  
  423. function onCoverLoad(e) {
  424.   const data = [...this.FYTE || []];
  425.   const div = data.shift();
  426.   const cache = div.FYTE.cache;
  427.   const divSize = data.shift();
  428.   const autoplay = data.shift();
  429.   if (this.naturalWidth <= 120)
  430.     return this.onerror(e);
  431.   // delete this.FYTE;
  432.   let fitToWidth = true;
  433.   if (this.naturalHeight || cache.coverHeight) {
  434.     if (!cache.coverHeight) {
  435.       cache.coverWidth = this.naturalWidth;
  436.       cache.coverHeight = this.naturalHeight;
  437.       write(cache);
  438.     }
  439.     const ratio = cache.coverWidth / cache.coverHeight;
  440.     if (ratio > 4.1 / 3 && ratio < divSize.w / divSize.h) {
  441.       this.style.setProperty('width', 'auto', 'important');
  442.       this.style.setProperty('height', '100%', 'important');
  443.       fitToWidth = false;
  444.     }
  445.   }
  446.   if (fitToWidth) {
  447.     this.style.setProperty('width', '100%', 'important');
  448.     this.style.setProperty('height', 'auto', 'important');
  449.   }
  450.   if (cache.videoWidth)
  451.     fixThumbnailAR(div);
  452.   if (!autoplay)
  453.     this.style.opacity = 1;
  454. }
  455.  
  456. function onCoverError() {
  457.   const {src} = this;
  458.   const id = src.split('/')[4];
  459.   const src2 = getCoverUrl(id, 'sddefault.jpg');
  460.   this.src = src2 !== src ? src2 : getCoverUrl(id, 'hqdefault.jpg');
  461. }
  462.  
  463. function stopOriginalEmbed(node) {
  464.   const src = 'data:,';
  465.   let n = node;
  466.   while (n) {
  467.     if (n.src)
  468.       n.src = src;
  469.     if (n.dataset.src)
  470.       n.dataset.src = src;
  471.     n = $('embed', n);
  472.   }
  473.   for (const el of $$('[value*="youtu.be"], [value*="youtube.com"]', node))
  474.     el.value = src;
  475.   for (const el of $$('embed', node))
  476.     el.src = src;
  477. }
  478.  
  479. function adjustNodesIfNeeded(e) {
  480.   if (!fytedom[0])
  481.     return;
  482.   if (adjustNodesIfNeeded.scheduled)
  483.     clearTimeout(adjustNodesIfNeeded.scheduled);
  484.   adjustNodesIfNeeded.scheduled = setTimeout(() => {
  485.     adjustNodes(e);
  486.     adjustNodesIfNeeded.scheduled = 0;
  487.   }, 16);
  488. }
  489.  
  490. function adjustNodes(event, clickedContainer) {
  491.   const force = !!clickedContainer;
  492.   let nearest = force ? clickedContainer : null;
  493.   let nearestCenterYpct;
  494.  
  495.   const vids = $$('.instant-youtube-container:not([pinned]):not([stub])');
  496.  
  497.   if (!nearest && event.type !== 'DOMContentLoaded') {
  498.     let minDistance = window.innerHeight * 3 / 4 | 0;
  499.     const nearTargetY = window.innerHeight / 2;
  500.     for (const n of vids) {
  501.       const bounds = n.getBoundingClientRect();
  502.       const distance = Math.abs((bounds.bottom + bounds.top) / 2 - nearTargetY);
  503.       if (distance < minDistance) {
  504.         minDistance = distance;
  505.         nearest = n;
  506.       }
  507.     }
  508.   }
  509.  
  510.   if (nearest) {
  511.     const bounds = nearest.getBoundingClientRect();
  512.     nearestCenterYpct = (bounds.top + bounds.bottom) / 2 / window.innerHeight;
  513.   }
  514.  
  515.   let resized = false;
  516.  
  517.   for (const n of vids) {
  518.     const size = calcContainerSize(n);
  519.     const w = size.w;
  520.     const h = size.h;
  521.  
  522.     // prevent parent clipping
  523.     for (let e = n.parentElement, style; e; e = e.parentElement) {
  524.       if (e.style.overflow !== 'visible' &&
  525.           n.offsetTop < e.clientHeight / 2 &&
  526.           n.offsetTop + n.clientHeight > e.clientHeight &&
  527.           (style = getComputedStyle(e)) &&
  528.           /hidden|scroll/.test(style.overflow + style.overflowX + style.overflowY)) {
  529.         overrideCSS(e, {
  530.           overflow: 'visible',
  531.           'overflow-x': 'visible',
  532.           'overflow-y': 'visible',
  533.         });
  534.       }
  535.     }
  536.  
  537.     if (force && Math.abs(w - parseFloat(n.style.maxWidth)) <= 2)
  538.       continue;
  539.  
  540.     overrideCSS(n, Object.assign({},
  541.       n.style.maxWidth !== `${w}px` && {
  542.         'max-width': `${w}px`,
  543.       },
  544.       n.style.height !== h + 'px' && {
  545.         height: h + 'px',
  546.       },
  547.       parseFloat(n.style.minWidth) > w && {
  548.         'min-width': n.style.maxWidth,
  549.       },
  550.       parseFloat(n.style.minHeight) > h && {
  551.         'min-height': n.style.height,
  552.       }));
  553.  
  554.     fixThumbnailAR(n);
  555.     resized = true;
  556.   }
  557.  
  558.   if (resized && nearest)
  559.     setTimeout(() => {
  560.       const bounds = nearest.getBoundingClientRect();
  561.       const h = bounds.bottom - bounds.top;
  562.       const projectedCenterY = nearestCenterYpct * window.innerHeight;
  563.       const projectedTop = projectedCenterY - h / 2;
  564.       const safeTop = Math.min(Math.max(0, projectedTop), window.innerHeight - h);
  565.       window.scrollBy(0, bounds.top - safeTop);
  566.     }, 16);
  567. }
  568.  
  569. function calcContainerSize(div, origNode) {
  570.   origNode = origNode || div;
  571.   let w, h;
  572.   const np = origNode.parentElement;
  573.   const style = getComputedStyle(np);
  574.   let parentWidth = parseFloat(style.width) -
  575.                     floatPadding(np, style, 'Left') -
  576.                     floatPadding(np, style, 'Right');
  577.   if (+style.columnCount > 1)
  578.     parentWidth = (parentWidth + parseFloat(style.columnGap)) / style.columnCount -
  579.                   parseFloat(style.columnGap);
  580.   switch (cfg.resize) {
  581.     case 'Original':
  582.       if (div.FYTE.originalWidth === 320 && div.FYTE.originalHeight === 200) {
  583.         w = parentWidth;
  584.         h = parentWidth / 16 * 9;
  585.       } else {
  586.         w = div.FYTE.originalWidth;
  587.         h = div.FYTE.originalHeight;
  588.       }
  589.       break;
  590.     case 'Custom':
  591.       w = cfg.width;
  592.       h = cfg.height;
  593.       break;
  594.     case '1080p':
  595.     case '720p':
  596.     case '480p':
  597.     case '360p':
  598.       h = parseInt(cfg.resize);
  599.       w = h / 9 * 16;
  600.       break;
  601.     default: { // fit-to-width mode
  602.       let n = origNode;
  603.       do {
  604.         n = n.parentElement;
  605.         // find parent node with nonzero width (i.e. independent of our video element)
  606.       } while (n && !(w = n.clientWidth));
  607.       if (w)
  608.         h = w / 16 * 9;
  609.       else {
  610.         w = origNode.clientWidth;
  611.         h = origNode.clientHeight;
  612.       }
  613.     }
  614.   }
  615.   if (parentWidth > 0 && parentWidth < w) {
  616.     h *= parentWidth / w;
  617.     w = parentWidth;
  618.   }
  619.   if (cfg.resize === 'Fit to width' && h < div.FYTE.originalHeight * 0.9)
  620.     h = Math.min(div.FYTE.originalHeight, w / div.FYTE.originalWidth * div.FYTE.originalHeight);
  621.  
  622.   return {w: window.chrome ? w : Math.round(w), h: h};
  623. }
  624.  
  625. function parseVideoInfo(response) {
  626.   const div = response.context;
  627.   const txt = response.responseText;
  628.   const info = tryJSONparse(txt.match(/var\s+ytInitialPlayerResponse\s*=\s*({.+?});|$/)[1]) || {};
  629.   const {reason} = info.playabilityStatus || {};
  630.   const vid = info.videoDetails || {};
  631.   const streams = info.streamingData || {};
  632.   const cache = div.FYTE.cache;
  633.   let shouldUpdateCache = false;
  634.  
  635.   const videoSources = [];
  636.   const fmts = (streams.formats || streams.adaptiveFormats || [])
  637.     .sort((a, b) => b.width - a.width || b.height - a.height);
  638.   // parse width & height to adjust the thumbnail
  639.   if (fmts.length &&
  640.       (cache.videoWidth !== fmts[0].width || cache.videoHeight !== fmts[0].height)) {
  641.     fixThumbnailAR(div, fmts[0].width, fmts[0].height);
  642.     cache.videoWidth = fmts[0].width;
  643.     cache.videoHeight = fmts[0].height;
  644.     shouldUpdateCache = true;
  645.   }
  646.  
  647.   // parse video sources
  648.   for (const f of fmts) {
  649.     const codec = f.mimeType.match(/codecs="([^.]+)|$/)[1] || '';
  650.     const type = f.mimeType.split(/[/;]/)[1];
  651.     let src = f.url;
  652.     if (!src && f.cipher) {
  653.       const sp = {};
  654.       for (const str of f.cipher.split('&')) {
  655.         const [k, v] = str.split('=');
  656.         sp[k] = v;
  657.       }
  658.       src = decodeURIComponent(sp.url);
  659.       if (sp.s) src += `&${sp.sp || 'sig'}=${decodeYoutubeSignature(sp.s)}`;
  660.     }
  661.     videoSources.push({
  662.       src,
  663.       title: [
  664.         f.quality,
  665.         f.qualityLabel !== f.quality ? f.qualityLabel : '',
  666.         type + (codec ? `:${codec}` : ''),
  667.       ].filter(Boolean).join(', '),
  668.     });
  669.   }
  670.  
  671.   let fps = new Set();
  672.   for (const f of streams.adaptiveFormats || []) {
  673.     if (f.fps)
  674.       fps.add(f.fps);
  675.   }
  676.   fps = [...fps].join('/');
  677.   if (fps && cache.fps !== fps) {
  678.     cache.fps = fps;
  679.     shouldUpdateCache = true;
  680.   }
  681.  
  682.   let duration = div.FYTE.duration = vid.lengthSeconds | 0;
  683.   if (duration) {
  684.     duration = secondsToTimeString(duration);
  685.     if (cache.duration !== duration) {
  686.       cache.duration = duration;
  687.       shouldUpdateCache = true;
  688.     }
  689.   }
  690.   if (duration || fps)
  691.     duration = `<span>${duration}</span>${fps ? `<i>${fps}fps</i>` : ''}`;
  692.  
  693.   const title = [
  694.     decodeURIComponent(vid.title || ''),
  695.     reason && reason.replace(/\s*\.$/, ''),
  696.   ].filter(Boolean).join(' | ').replace(/\+/g, ' ');
  697.   if (title) {
  698.     $('.instant-youtube-title', div).innerHTML =
  699.       (title ? `<strong>${title}</strong>` : '') + duration;
  700.     if (cache.title !== title) {
  701.       cache.title = title;
  702.       shouldUpdateCache = true;
  703.     }
  704.   }
  705.   if (cfg.pinnable !== 'off' && vid.title)
  706.     makeDraggable(div);
  707.  
  708.   if (reason) {
  709.     div.setAttribute('disabled', '');
  710.     if (cache.reason !== reason) {
  711.       cache.reason = reason;
  712.       shouldUpdateCache = true;
  713.     }
  714.   }
  715.  
  716.   if (videoSources.length)
  717.     div.FYTE.videoSources = videoSources;
  718.  
  719.   if (txt.includes('playerStoryboardSpecRenderer') &&
  720.       info.storyboards &&
  721.       div.FYTE.state !== 'scheduled play') {
  722.     const m = info.storyboards.playerStoryboardSpecRenderer.spec.split('|');
  723.     const [w, h, len, rows, cols] = m[m.length - 1].split('#').map(Number);
  724.     div.FYTE.storyboard = {w, h, len, rows, cols};
  725.     if (w * h > 2000) {
  726.       div.FYTE.storyboard.url = m[0].replace('?', '&').replace(
  727.         '$L/$N.jpg',
  728.         `${m.length - 2}/M0.jpg?sigh=${m[m.length - 1].replace(/^.+?#([^#]+)$/, '$1')}`);
  729.       const elSb = $('.instant-youtube-storyboard', div);
  730.       if (elSb) {
  731.         elSb.dataset.loaded = '';
  732.         elSb.appendChild(overrideCSS($create('div.sb-thumb', {}, '\xA0'), {
  733.           width: w - 1 + 'px',
  734.           height: h + 'px',
  735.         }));
  736.         if (cfg.showStoryboard)
  737.           updateHoverHandler(div);
  738.       }
  739.     }
  740.   }
  741.  
  742.   injectStylesIfNeeded();
  743.  
  744.   if (div.FYTE.state === 'scheduled play')
  745.     setTimeout(startPlayingDirectly, 0, div);
  746.  
  747.   div.FYTE.state = '';
  748.  
  749.   try {
  750.     const cover = vid.thumbnail.thumbnails.pop().url;
  751.     if (cache.cover !== cover) {
  752.       cache.cover = cover;
  753.       shouldUpdateCache = true;
  754.       const img = $('img', div);
  755.       if (img.src && img.src !== cover)
  756.         img.src = getUrl(cover);
  757.     }
  758.   } catch (e) {}
  759.   if (shouldUpdateCache)
  760.     write(cache);
  761. }
  762.  
  763. function decodeYoutubeSignature(s) {
  764.   const a = s.split('');
  765.   a.reverse();
  766.   swap(a, 24);
  767.   a.reverse();
  768.   swap(a, 41);
  769.   a.reverse();
  770.   swap(a, 2);
  771.   return a.join('');
  772. }
  773.  
  774. function swap(a, b) {
  775.   const c = a[0];
  776.   a[0] = a[b % a.length];
  777.   a[b % a.length] = c;
  778. }
  779.  
  780. function fixThumbnailAR(div, w, h) {
  781.   const img = $('img', div);
  782.   if (!img)
  783.     return;
  784.   const thw = img.naturalWidth;
  785.   const
  786.   thh = img.naturalHeight;
  787.   if (w && h) { // means thumbnail is still loading
  788.     div.FYTE.cache.videoWidth = w;
  789.     div.FYTE.cache.videoHeight = h;
  790.   } else {
  791.     w = div.FYTE.cache.videoWidth;
  792.     h = div.FYTE.cache.videoHeight;
  793.     if (!w || !h)
  794.       return;
  795.   }
  796.   const divw = div.clientWidth;
  797.   const
  798.   divh = div.clientHeight;
  799.   // if both video and thumbnail are 4:3, fit the image to height
  800.   //console.log(div, divw, divh, thw, thh, w, h, h/w*divw / divh - 1, thh/thw*divw / divh - 1);
  801.   if (Math.abs(h / w * divw / divh - 1) > 0.05 && Math.abs(thh / thw * divw / divh - 1) > 0.05) {
  802.     img.style.maxHeight = img.clientHeight + 'px';
  803.     if (!div.FYTE.cache.videoWidth) // skip animation if thumbnail is already loaded
  804.       img.style.transition = 'height 1s ease, margin-top 1s ease';
  805.     setTimeout(() => {
  806.       overrideCSS(img, Object.assign(
  807.         {'max-height': 'none'},
  808.         h / w >= divh / divw
  809.           ? {width: 'auto', height: '100%'}
  810.           : {width: '100%', height: 'auto'}));
  811.       setTimeout(() => img.style.removeProperty('transition'), 1000);
  812.     });
  813.   }
  814. }
  815.  
  816. function trackMouse(e) {
  817.   this.FYTE.mouseEvent = e;
  818. }
  819.  
  820. function updateHoverHandler(div) {
  821.   const fyte = div.FYTE;
  822.   const sb = fyte.storyboard;
  823.   const elSb = $('.instant-youtube-storyboard', div);
  824.   if (!cfg.showStoryboard) {
  825.     elSb.hidden = true;
  826.     return;
  827.   }
  828.   elSb.hidden = false;
  829.   let oldIndex = null;
  830.   const tracker = elSb.firstElementChild;
  831.   const style = tracker.style;
  832.   const sbImg = $create('img');
  833.   const spinner = $create('span.loading-spinner');
  834.   elSb.addEventListener('mousemove', storyboardHoverHandler);
  835.   elSb.addEventListener('mouseout', storyboardHoverHandler);
  836.   elSb.addEventListener('click', storyboardClickHandler, {once: true});
  837.   div.addEventListener('mouseover', storyboardPreloader);
  838.   div.addEventListener('mouseout', storyboardPreloader);
  839.   if (div.closest(':hover'))
  840.     storyboardPreloader({});
  841.  
  842.   function storyboardClickHandler(e) {
  843.     const offsetX = e.offsetX || e.clientX - elSb.getBoundingClientRect().left;
  844.     fyte.startAt = offsetX / elSb.clientWidth * fyte.duration | 0;
  845.     fyte.srcEmbedFixed = setUrlParams(fyte.srcEmbedFixed, {start: fyte.startAt});
  846.     startPlaying(div, {alternateMode: e.shiftKey});
  847.   }
  848.  
  849.   function storyboardPreloader(e) {
  850.     if (e.type === 'mouseout') {
  851.       spinner.remove();
  852.       return;
  853.     }
  854.     const {len, rows, cols, preloaded} = sb || {};
  855.     const lastpart = (len - 1) / (rows * cols || 1) | 0;
  856.     if (lastpart <= 0 || preloaded)
  857.       return;
  858.     let part = 0;
  859.     $create('img', {
  860.       src: setStoryboardUrl(part++),
  861.       onload() {
  862.         if (part <= lastpart) {
  863.           this.src = setStoryboardUrl(part++);
  864.           return;
  865.         }
  866.         sb.preloaded = true;
  867.         div.removeEventListener('mouseover', storyboardPreloader);
  868.         div.removeEventListener('mouseout', storyboardPreloader);
  869.         this.onload = null;
  870.         this.src = '';
  871.         spinner.remove();
  872.       },
  873.     });
  874.     if (elSb.matches(':hover') && fyte.mouseEvent)
  875.       storyboardHoverHandler(fyte.mouseEvent);
  876.   }
  877.  
  878.   function setStoryboardUrl(part) {
  879.     return getUrl(sb.url.replace(/M\d+\.jpg\?/, `M${part}.jpg?`));
  880.   }
  881.  
  882.   function storyboardHoverHandler(e) {
  883.     div.removeEventListener('mousemove', trackMouse);
  884.     if (!cfg.showStoryboard || !sb)
  885.       return;
  886.     if (e.type === 'mouseout') {
  887.       sbImg.onload && sbImg.onload();
  888.       return;
  889.     }
  890.     const {w, h, cols, rows, len, preloaded} = sb;
  891.     const partlen = rows * cols;
  892.  
  893.     const offsetX = e.offsetX || e.clientX - elSb.getBoundingClientRect().left;
  894.     const left = Math.min(elSb.clientWidth - w, Math.max(0, offsetX - w)) | 0;
  895.     if (!style.left || parseInt(style.left) !== left) {
  896.       style.left = `${left}px`;
  897.       if (spinner.parentElement)
  898.         spinner.style.cssText = important(`left:${left + w / 2 - 10}px; right:auto;`);
  899.     }
  900.  
  901.     let index = Math.min(offsetX / elSb.clientWidth * (len + 1) | 0, len - 1);
  902.     if (index === oldIndex)
  903.       return;
  904.  
  905.     const part = index / partlen | 0;
  906.     if (!oldIndex || part !== (oldIndex / partlen | 0)) {
  907.       const url = setStoryboardUrl(part);
  908.       style.setProperty('background-image', `url(${url})`, 'important');
  909.       if (!preloaded) {
  910.         if (spinner.timer)
  911.           clearTimeout(spinner.timer);
  912.         spinner.timer = setTimeout(() => {
  913.           spinner.timer = 0;
  914.           if (!sbImg.src)
  915.             return;
  916.           elSb.appendChild(spinner);
  917.           spinner.style.cssText = important(`left:${left + w / 2 - 10}px; right:auto;`);
  918.         }, 50);
  919.         sbImg.onload = () => {
  920.           clearTimeout(spinner.timer);
  921.           spinner.remove();
  922.           spinner.timer = 0;
  923.           sbImg.onload = null;
  924.           sbImg.src = '';
  925.         };
  926.         sbImg.src = url;
  927.       }
  928.     }
  929.  
  930.     tracker.dataset.time = secondsToTimeString(index / (len - 1 || 1) * fyte.duration | 0);
  931.     oldIndex = index;
  932.     index %= partlen;
  933.     style.setProperty('background-position',
  934.       `-${(index % cols) * w}px -${(index / cols | 0) * h}px`, 'important');
  935.   }
  936. }
  937.  
  938. function clickHandler(e) {
  939.   const el = e.target;
  940.   if (el.closest('a') ||
  941.       e.type === 'mousedown' && e.button !== 1 ||
  942.       e.type === 'click' && el.matches('.instant-youtube-options, .instant-youtube-options *'))
  943.     return;
  944.   if (e.type === 'click' && el.matches('.instant-youtube-options-button')) {
  945.     showOptions(e);
  946.     e.preventDefault();
  947.     e.stopPropagation();
  948.     return;
  949.   }
  950.  
  951.   e.preventDefault();
  952.   e.stopPropagation();
  953.   e.stopImmediatePropagation();
  954.  
  955.   startPlaying(el.closest('.instant-youtube-container'), {
  956.     alternateMode: e.shiftKey || el.matches('.instant-youtube-alternative'),
  957.     fullscreen: e.button === 1,
  958.   });
  959. }
  960.  
  961. function startPlaying(div, params) {
  962.   div.removeEventListener('click', clickHandler);
  963.   div.removeEventListener('mousedown', clickHandler);
  964.  
  965.   $$remove([
  966.     '.instant-youtube-alternative',
  967.     '.instant-youtube-storyboard',
  968.     '.instant-youtube-options-button',
  969.     '.instant-youtube-options',
  970.   ].join(','), div);
  971.   $('svg', div).outerHTML = '<span class=instant-youtube-loading-spinner></span>';
  972.  
  973.   if (cfg.pinnable !== 'off') {
  974.     makePinnable(div);
  975.     if (params && params.pin)
  976.       $(`[pin="${params.pin}"]`, div).click();
  977.   }
  978.  
  979.   if (window !== top)
  980.     parent.postMessage('iframe-allowfs', '*');
  981.  
  982.   const fyte = div.FYTE;
  983.   if ((!!cfg.playHTML5 + !!(params && params.alternateMode) === 1) &&
  984.       (fyte.videoSources || fyte.state === 'querying')) {
  985.     if (fyte.videoSources)
  986.       startPlayingDirectly(div, params);
  987.     else {
  988.       // playback will start in parseVideoInfo
  989.       fyte.state = 'scheduled play';
  990.       // fallback to iframe in 5s
  991.       setTimeout(() => {
  992.         if (div.FYTE.state) {
  993.           div.FYTE.state = '';
  994.           switchToIFrame.call(div, params);
  995.         }
  996.       }, 5000);
  997.     }
  998.   } else
  999.     switchToIFrame.call(div, params);
  1000. }
  1001.  
  1002. function startPlayingDirectly(div, params) {
  1003.   const switchTimer = setTimeout(switchToIFrame.bind(div, params), 5000);
  1004.   const video = $create('video.embed', {
  1005.     autoplay: true,
  1006.     controls: true,
  1007.     volume: GM_getValue('volume', 0.5),
  1008.     style: {
  1009.       position: 'absolute',
  1010.       left: 0,
  1011.       top: 0,
  1012.       right: 0,
  1013.       bottom: 0,
  1014.       padding: 0,
  1015.       margin: 'auto',
  1016.       opacity: 0,
  1017.       width: '100%',
  1018.       height: '100%',
  1019.     },
  1020.     oncanplay() {
  1021.       this.oncanplay = null;
  1022.       const fyte = div.FYTE;
  1023.       if (fyte.startAt && Math.abs(this.currentTime - fyte.startAt) > 1)
  1024.         this.currentTime = fyte.startAt;
  1025.       clearTimeout(switchTimer);
  1026.       pauseOtherVideos(this);
  1027.       if (params && params.fullscreen)
  1028.         return;
  1029.       div.setAttribute('playing', '');
  1030.       div.firstElementChild.appendChild(this);
  1031.       overrideCSS(this, {opacity: 1});
  1032.     },
  1033.     onvolumechange() {
  1034.       GM_setValue('volume', this.volume);
  1035.     },
  1036.   });
  1037.  
  1038.   for (const src of div.FYTE.videoSources || []) {
  1039.     video.appendChild($create('source', src))
  1040.       .onerror = switchToIFrame.bind(div, params);
  1041.   }
  1042.  
  1043.   overrideCSS($('img', div), {
  1044.     transition: 'opacity 1s',
  1045.     opacity: '0',
  1046.   });
  1047.  
  1048.   if (params && params.fullscreen) {
  1049.     div.firstElementChild.appendChild(video);
  1050.     div.setAttribute('playing', '');
  1051.     video.style.opacity = 1;
  1052.     goFullscreen(video);
  1053.   }
  1054.  
  1055.   if (window.chrome && +navigator.userAgent.match(/Chrom\D+(\d+)|$/)[1] < 74)
  1056.     video.addEventListener('click', () =>
  1057.       setTimeout(() =>
  1058.         video.paused ?
  1059.           video.play() :
  1060.           video.pause()));
  1061.  
  1062.   const title = $('.instant-youtube-title', div);
  1063.   if (title) {
  1064.     video.onpause = () => (title.hidden = false);
  1065.     video.onplay = () => (title.hidden = true);
  1066.   }
  1067. }
  1068.  
  1069. function switchToIFrame(params, e) {
  1070.   if (this.querySelector('iframe'))
  1071.     return;
  1072.   const div = this;
  1073.   const wrapper = div.firstElementChild;
  1074.   const fullscreen = params && params.fullscreen && !e;
  1075.   if (e instanceof Event) {
  1076.     console.log('[FYTE] Direct linking canceled on %s, switching to IFRAME player',
  1077.       div.FYTE.srcEmbed);
  1078.     const video = e.target ? e.target.closest('video') : e.composedPath().pop();
  1079.     video.textContent = '';
  1080.     goFullscreen(video, false);
  1081.     video.remove();
  1082.   }
  1083.  
  1084.   const url = setUrlParams(div.FYTE.srcEmbedFixed, {
  1085.     html5: 1,
  1086.     autoplay: 1,
  1087.     autohide: 2,
  1088.     border: 0,
  1089.     controls: 1,
  1090.     fs: 1,
  1091.     showinfo: 1,
  1092.     ssl: 1,
  1093.     theme: 'dark',
  1094.     enablejsapi: 1,
  1095.     local: 'true',
  1096.     quality: 'medium',
  1097.     FYTEfullscreen: fullscreen | 0,
  1098.   });
  1099.  
  1100.   let iframe = $create('iframe.embed', {
  1101.     src: url,
  1102.     allow: 'autoplay; fullscreen',
  1103.     allowFullscreen: true,
  1104.     width: '100%',
  1105.     height: '100%',
  1106.     style: {
  1107.       position: 'absolute',
  1108.       top: 0,
  1109.       left: 0,
  1110.       right: 0,
  1111.       padding: 0,
  1112.       margin: 'auto',
  1113.       opacity: 0,
  1114.       border: 0,
  1115.     },
  1116.   });
  1117.  
  1118.   if (cfg.pinnable !== 'off') {
  1119.     $('[pin]', div).insertAdjacentElement('beforebegin', iframe);
  1120.   } else {
  1121.     wrapper.appendChild(iframe);
  1122.   }
  1123.  
  1124.   div.setAttribute('iframe', '');
  1125.   div.setAttribute('playing', '');
  1126.  
  1127.   iframe = $('iframe', div);
  1128.   if (fullscreen) {
  1129.     goFullscreen(iframe);
  1130.     overrideCSS(iframe, {opacity: 1});
  1131.   }
  1132.   addEventListener('message', YTlistener);
  1133.   iframe.addEventListener('load', () => {
  1134.     iframe.contentWindow.postMessage('{"event":"listening"}', '*');
  1135.     if (cfg.invidious || div.FYTE.cache.reason)
  1136.       show();
  1137.   }, {once: true});
  1138.   setTimeout(show, 1000);
  1139.  
  1140.   function show() {
  1141.     overrideCSS(iframe, {opacity: 1});
  1142.     $('.instant-youtube-title', div).hidden = true;
  1143.   }
  1144.  
  1145.   function YTlistener(e) {
  1146.     const data = e.source === iframe.contentWindow && e.data && tryJSONparse(e.data);
  1147.     if (!data || !data.info || data.info.playerState !== 1)
  1148.       return;
  1149.     removeEventListener('message', YTlistener);
  1150.     pauseOtherVideos(iframe);
  1151.     overrideCSS(iframe, {opacity: 1});
  1152.     overrideCSS($('img', div), {display: 'none'});
  1153.     $$remove('span, a', div);
  1154.   }
  1155. }
  1156.  
  1157. function getUrl(url) {
  1158.   if (cfg.invidious) {
  1159.     const u = new URL(url);
  1160.     u.hostname = 'invidio.us';
  1161.     url = u.href.replace('/vi_webp/', '/vi/').replace('.webp', '.jpg');
  1162.   }
  1163.   return url;
  1164. }
  1165.  
  1166. function getCoverUrl(id, name) {
  1167.   return getUrl(`https://i.ytimg.com/vi${name.endsWith('.webp') ? '_webp' : ''}/${id}/${name}`);
  1168. }
  1169.  
  1170. function setUrlParams(url, params) {
  1171.   const u = new URL(url);
  1172.   for (const [k, v] of Object.entries(params))
  1173.     u.searchParams.set(k, v);
  1174.   return u.href;
  1175. }
  1176.  
  1177. function pauseOtherVideos(activePlayer) {
  1178.   for (const v of $$('.instant-youtube-embed', activePlayer.ownerDocument)) {
  1179.     if (v === activePlayer)
  1180.       continue;
  1181.     switch (v.localName) {
  1182.       case 'video':
  1183.         if (!v.paused)
  1184.           v.pause();
  1185.         break;
  1186.       case 'iframe':
  1187.         try {
  1188.           v.contentWindow.postMessage('{"event":"command", "func":"pauseVideo", "args":""}', '*');
  1189.         } catch (e) {}
  1190.         break;
  1191.     }
  1192.   }
  1193. }
  1194.  
  1195. function goFullscreen(el, enable) {
  1196.   if (enable !== false)
  1197.     el.webkitRequestFullScreen && el.webkitRequestFullScreen() ||
  1198.     el.mozRequestFullScreen && el.mozRequestFullScreen() ||
  1199.     el.requestFullScreen && el.requestFullScreen();
  1200.   else
  1201.     document.webkitCancelFullScreen && document.webkitCancelFullScreen() ||
  1202.     document.mozCancelFullScreen && document.mozCancelFullScreen() ||
  1203.     document.cancelFullScreen && document.cancelFullScreen();
  1204. }
  1205.  
  1206. function makePinnable(div) {
  1207.   div.firstElementChild.insertAdjacentHTML('beforeend',
  1208.     '<div size-gripper></div>' +
  1209.     '<div pin="top-left"></div>' +
  1210.     '<div pin="top-right"></div>' +
  1211.     '<div pin="bottom-right"></div>' +
  1212.     '<div pin="bottom-left"></div>');
  1213.  
  1214.   for (const pin of $$('[pin]', div)) {
  1215.     if (cfg.pinnable === 'hide')
  1216.       pin.setAttribute('transparent', '');
  1217.     pin.onclick = pinClicked;
  1218.   }
  1219.   $('[size-gripper]', div).addEventListener('mousedown', startResize, true);
  1220.  
  1221.   function pinClicked() {
  1222.     const pin = this;
  1223.     const pinIt = !div.hasAttribute('pinned') || !pin.hasAttribute('active');
  1224.     const corner = pin.getAttribute('pin');
  1225.     const video = $('video', div);
  1226.     const paused = video.paused;
  1227.     if (pinIt) {
  1228.       for (const p of $$('[pin][active]', div))
  1229.         p.removeAttribute('active');
  1230.       pin.setAttribute('active', '');
  1231.       if (!div.FYTE.unpinnedStyle) {
  1232.         div.FYTE.unpinnedStyle = div.style.cssText;
  1233.         const stub = div.cloneNode();
  1234.         const img = $('img', div).cloneNode();
  1235.         img.style.opacity = 1;
  1236.         img.style.display = 'block';
  1237.         img.title = '';
  1238.         stub.appendChild(img);
  1239.         stub.onclick = e => $('[pin][active]', div).onclick(e);
  1240.         stub.style.setProperty('opacity', .3, 'important');
  1241.         stub.setAttribute('stub', '');
  1242.         div.FYTE.stub = stub;
  1243.         div.parentNode.insertBefore(stub, div);
  1244.       }
  1245.       const size = constrainPinnedSize(div,
  1246.         localStorage.FYTEwidth || cfg.pinnedWidth);
  1247.       overrideCSS(div, {
  1248.         position: 'fixed',
  1249.         width: size.w + 'px',
  1250.         height: size.h + 'px',
  1251.         top: corner.includes('top') ? 0 : 'auto',
  1252.         left: corner.includes('left') ? 0 : 'auto',
  1253.         right: corner.includes('right') ? 0 : 'auto',
  1254.         bottom: corner.includes('bottom') ? 0 : 'auto',
  1255.         'z-index': 999999999,
  1256.       });
  1257.       adjustPinnedOffset(div, div, corner);
  1258.       div.setAttribute('pinned', corner);
  1259.       if (video && document.body)
  1260.         document.body.appendChild(div);
  1261.     } else { // unpin
  1262.       pin.removeAttribute('active');
  1263.       div.removeAttribute('pinned');
  1264.       div.style.cssText = div.FYTE.unpinnedStyle;
  1265.       div.FYTE.unpinnedStyle = '';
  1266.       if (div.FYTE.stub) {
  1267.         if (video && document.body)
  1268.           div.FYTE.stub.parentNode.replaceChild(div, div.FYTE.stub);
  1269.         div.FYTE.stub.remove();
  1270.         div.FYTE.stub = null;
  1271.       }
  1272.     }
  1273.     if (paused)
  1274.       video.pause();
  1275.   }
  1276.  
  1277.   function startResize(e) {
  1278.     const siteSaved = localStorage.FYTEwidth;
  1279.     let saveAs = siteSaved ? 'site' : 'global';
  1280.     const oldSizeCSS = {w: div.style.width, h: div.style.height};
  1281.     const oldDraggable = div.draggable;
  1282.     div.draggable = false;
  1283.  
  1284.     const gripper = this;
  1285.     gripper.removeAttribute('tried-exceeding');
  1286.     gripper.innerHTML = `<div>
  1287. <div save-as="${saveAs}"><b>S</b> = Site mode: <span>${getSiteOnlyText()}</span></div>
  1288. ${!siteSaved ? '' : '<div><b>R</b> = Reset to global size</div>'}
  1289. <div><b>Esc</b> = Cancel</div>
  1290. </div>`;
  1291.     document.addEventListener('mousemove', resize);
  1292.     document.addEventListener('mouseup', resizeDone);
  1293.     document.addEventListener('keydown', resizeKeyDown);
  1294.     e.stopImmediatePropagation();
  1295.     return false;
  1296.  
  1297.     function getSiteOnlyText() {
  1298.       return saveAs === 'site' ? `only ${location.hostname}` : 'global';
  1299.     }
  1300.  
  1301.     function resize(e) {
  1302.       let deltaX = e.movementX || e.webkitMovementX || e.mozMovementX || 0;
  1303.       if (/right/.test(div.getAttribute('pinned')))
  1304.         deltaX = -deltaX;
  1305.       const newSize = constrainPinnedSize(div, div.clientWidth + deltaX);
  1306.       if (newSize.w !== div.clientWidth) {
  1307.         div.style.setProperty('width', newSize.w + 'px', 'important');
  1308.         div.style.setProperty('height', newSize.h + 'px', 'important');
  1309.         gripper.removeAttribute('tried-exceeding');
  1310.       } else if (newSize.triedExceeding) {
  1311.         gripper.setAttribute('tried-exceeding', '');
  1312.       }
  1313.       window.getSelection().removeAllRanges();
  1314.       return false;
  1315.     }
  1316.  
  1317.     function resizeDone() {
  1318.       div.draggable = oldDraggable;
  1319.       gripper.removeAttribute('tried-exceeding');
  1320.       gripper.innerHTML = '';
  1321.       document.removeEventListener('mousemove', resize);
  1322.       document.removeEventListener('mouseup', resizeDone);
  1323.       document.removeEventListener('keydown', resizeKeyDown);
  1324.       switch (saveAs) {
  1325.         case 'site':
  1326.           localStorage.FYTEwidth = div.clientWidth;
  1327.           break;
  1328.         case 'global':
  1329.           cfg.pinnedWidth = div.clientWidth;
  1330.           GM_setValue('pinnedWidth', cfg.pinnedWidth);
  1331.         // fallthrough to remove the locally saved value
  1332.         case 'reset':
  1333.           delete localStorage.FYTEwidth;
  1334.           break;
  1335.         case '':
  1336.           return false;
  1337.       }
  1338.       gripper.setAttribute('saveAs', saveAs);
  1339.       setTimeout(() => gripper.removeAttribute('saveAs'), 250);
  1340.       return false;
  1341.     }
  1342.  
  1343.     function resizeKeyDown(e) {
  1344.       switch (e.code) {
  1345.         case 'Escape':
  1346.           saveAs = 'cancel';
  1347.           div.style.width = oldSizeCSS.w;
  1348.           div.style.height = oldSizeCSS.h;
  1349.           break;
  1350.         case 'KeyS':
  1351.           saveAs = saveAs === 'site' ? 'global' : 'site';
  1352.           $('[save-as]', gripper).setAttribute('save-as', saveAs);
  1353.           $('[save-as] span', gripper).textContent = getSiteOnlyText();
  1354.           return false;
  1355.         case 'KeyR': {
  1356.           if (!siteSaved)
  1357.             return;
  1358.           saveAs = 'reset';
  1359.           const {w, h} = constrainPinnedSize(div, cfg.pinnedWidth);
  1360.           div.style.width = w;
  1361.           div.style.height = h;
  1362.           break;
  1363.         }
  1364.         default:
  1365.           return;
  1366.       }
  1367.       document.dispatchEvent(new MouseEvent('mouseup'));
  1368.       return false;
  1369.     }
  1370.   }
  1371. }
  1372.  
  1373. function makeDraggable(div) {
  1374.   div.draggable = true;
  1375.   div.addEventListener('dragstart', e => {
  1376.     const offsetY = e.offsetY || e.clientY - div.getBoundingClientRect().top;
  1377.     if (offsetY > div.clientHeight - 30) {
  1378.       e.preventDefault();
  1379.       return;
  1380.     }
  1381.  
  1382.     e.dataTransfer.setData('text/plain', '');
  1383.  
  1384.     let dropZone = $create('div.dragndrop-placeholder');
  1385.     const dropZoneHeight = 400 / div.FYTE.cache.videoWidth * div.FYTE.cache.videoHeight;
  1386.  
  1387.     document.body.addEventListener('dragenter', dragHandler);
  1388.     document.body.addEventListener('dragover', dragHandler);
  1389.     document.body.addEventListener('dragend', dragHandler);
  1390.     document.body.addEventListener('drop', dragHandler);
  1391.  
  1392.     function dragHandler(e) {
  1393.       e.stopImmediatePropagation();
  1394.       e.stopPropagation();
  1395.       e.preventDefault();
  1396.       switch (e.type) {
  1397.         case 'dragover': {
  1398.           const playing = div.hasAttribute('playing');
  1399.           const stub = e.target.closest('.instant-youtube-container[stub]') === div.FYTE.stub &&
  1400.                        div.FYTE.stub;
  1401.           const gizmo = playing && !stub
  1402.             ? {left: 0, top: 0, right: innerWidth, bottom: innerHeight}
  1403.             : (stub || div).getBoundingClientRect();
  1404.           const x = e.clientX;
  1405.           const y = e.clientY;
  1406.           const cx = (gizmo.left + gizmo.right) / 2;
  1407.           const cy = (gizmo.top + gizmo.bottom) / 2;
  1408.           const stay = !!stub || y >= cy - 200 && y <= cy + 200 && x >= cx - 200 && x <= cx + 200;
  1409.           overrideCSS(dropZone, {
  1410.             top: y < cy || stay ? '0' : 'auto',
  1411.             bottom: y > cy || stay ? '0' : 'auto',
  1412.             left: x < cx || stay ? '0' : 'auto',
  1413.             right: x > cx || stay ? '0' : 'auto',
  1414.             width: playing && stay && stub ? stub.clientWidth + 'px' : '400px',
  1415.             height: playing && stay && stub ? stub.clientHeight + 'px' : dropZoneHeight + 'px',
  1416.             margin: playing && stay ? 'auto' : '0',
  1417.             position: !playing && stay || stub ? 'absolute' : 'fixed',
  1418.             'background-color': stub ?
  1419.               'rgba(0,0,255,0.5)' :
  1420.               stay ? 'rgba(255,255,0,0.4)' : 'rgba(0,255,0,0.2)',
  1421.           });
  1422.           adjustPinnedOffset(dropZone, div);
  1423.           (stay && !playing || stub ? (stub || div) : document.body).appendChild(dropZone);
  1424.           break;
  1425.         }
  1426.         case 'dragend':
  1427.         case 'drop': {
  1428.           const corner = calcPinnedCorner(dropZone);
  1429.           dropZone.remove();
  1430.           dropZone = null;
  1431.           document.body.removeEventListener('dragenter', dragHandler);
  1432.           document.body.removeEventListener('dragover', dragHandler);
  1433.           document.body.removeEventListener('dragend', dragHandler);
  1434.           document.body.removeEventListener('drop', dragHandler);
  1435.           if (e.type === 'dragend')
  1436.             break;
  1437.           if (div.hasAttribute('playing'))
  1438.             (corner ? $(`[pin="${corner}"]`, div) : div.FYTE.stub).click();
  1439.           else
  1440.             startPlaying(div, {pin: corner});
  1441.         }
  1442.       }
  1443.     }
  1444.   });
  1445. }
  1446.  
  1447. function adjustPinnedOffset(el, self, corner) {
  1448.   let offset = 0;
  1449.   if (!corner) corner = calcPinnedCorner(el);
  1450.   for (const pin of $$(`.instant-youtube-container[pinned] [pin="${corner}"][active]`)) {
  1451.     const container = pin.closest('[pinned]');
  1452.     if (container !== el && container !== self) {
  1453.       const {top, bottom} = container.getBoundingClientRect();
  1454.       offset = Math.max(offset, el.style.top === '0px' ? bottom : innerHeight - top);
  1455.     }
  1456.   }
  1457.   if (offset)
  1458.     el.style[el.style.top === '0px' ? 'top' : 'bottom'] = offset + 'px';
  1459. }
  1460.  
  1461. function calcPinnedCorner(el) {
  1462.   const t = el.style.top !== 'auto';
  1463.   const l = el.style.left !== 'auto';
  1464.   const r = el.style.right !== 'auto';
  1465.   const b = el.style.bottom !== 'auto';
  1466.   return t && b && l && r ? '' : `${t ? 'top' : 'bottom'}-${l ? 'left' : 'right'}`;
  1467. }
  1468.  
  1469. function constrainPinnedSize(div, width) {
  1470.   const maxWidth = window.innerWidth - 100 | 0;
  1471.   const triedExceeding = (width | 0) > maxWidth;
  1472.   width = Math.max(200, Math.min(maxWidth, width | 0));
  1473.   return {
  1474.     w: width,
  1475.     h: width / div.FYTE.cache.videoWidth * div.FYTE.cache.videoHeight,
  1476.     triedExceeding,
  1477.   };
  1478. }
  1479.  
  1480. function showOptions(e) {
  1481.   const [options] = translateHTML(`
  1482. <div class=instant-youtube-options>
  1483.   <span>
  1484.     <label tl style="width: 100% !important;">Size:&nbsp;
  1485.       <select data-action=resize>
  1486.         <option tl value=Original>Original
  1487.         <option tl value="Fit to width">Fit to width
  1488.         <option>360p
  1489.         <option>480p
  1490.         <option>720p
  1491.         <option>1080p
  1492.         <option tl value=Custom>Custom...
  1493.       </select>
  1494.     </label>&nbsp;
  1495.     <label data-action=resize-custom ${cfg.resize !== 'Custom' ? 'disabled' : ''}>
  1496.       <input type=number min=320 max=9999 tl-placeholder=width data-action=width step=1> x
  1497.       <input type=number min=240 max=9999 tl-placeholder=height data-action=height step=1>
  1498.     </label>
  1499.   </span>
  1500.   <label tl=content,title title=msgStoryboardTip>
  1501.     <input data-action=showStoryboard type=checkbox>
  1502.     msgStoryboard
  1503.   </label>
  1504.   <span>
  1505.     <label tl=content,title title=msgDirectTip>
  1506.       <input data-action=playHTML5 type=checkbox>
  1507.       msgDirect
  1508.     </label>
  1509.     &nbsp;
  1510.     <label tl=content,title title=msgDirectTip>
  1511.       <input data-action=playHTML5Shown type=checkbox>
  1512.       msgDirectShown
  1513.     </label>
  1514.   </span>
  1515.   <label tl=content>
  1516.     <input data-action=invidious type=checkbox>
  1517.     msgInvidious
  1518.   </label>
  1519.   <label tl=content,title title=msgSafeTip>
  1520.     <input data-action=skipCustom type=checkbox>
  1521.     msgSafe
  1522.   </label>
  1523.   <table>
  1524.     <tr>
  1525.       <td><label tl=content,title title=msgPinningTip>msgPinning</label></td>
  1526.       <td>
  1527.         <select data-action=pinnable>
  1528.           <option tl value=on>msgPinningOn
  1529.           <option tl value=hide>msgPinningHover
  1530.           <option tl value=off>msgPinningOff
  1531.         </select>
  1532.       </td>
  1533.     </tr>
  1534.   </table>
  1535.   <span data-action=buttons>
  1536.     <button tl data-action=ok>OK</button>
  1537.     <button tl data-action=cancel>Cancel</button>
  1538.   </span>
  1539. </div>
  1540.   `);
  1541.   for (const [k, v] of Object.entries(cfg)) {
  1542.     const el = $(`[data-action=${k}]`, options);
  1543.     if (el) el[el.type === 'checkbox' ? 'checked' : 'value'] = v;
  1544.   }
  1545.   $('[data-action=resize]', options).onchange = function () {
  1546.     const v = this.value !== 'Custom';
  1547.     const e = $('[data-action=resize-custom]', options);
  1548.     e.children[0].disabled = e.children[1].disabled = v;
  1549.     v ? e.setAttribute('disabled', '') : e.removeAttribute('disabled');
  1550.   };
  1551.   $('[data-action=buttons]', options).onclick = e => {
  1552.     const btn = e.target;
  1553.     if (btn.dataset.action !== 'ok') {
  1554.       options.remove();
  1555.       return;
  1556.     }
  1557.     let shouldAdjust;
  1558.     const oldCfg = Object.assign({}, cfg);
  1559.     for (const [k, v] of Object.entries(cfg)) {
  1560.       const el = $(`[data-action=${k}]`, options);
  1561.       const newVal = el && (
  1562.         el.type === 'checkbox' ? el.checked :
  1563.           el.type === 'number' ? el.valueAsNumber :
  1564.             el.value);
  1565.       if (newVal != null && newVal !== v) {
  1566.         GM_setValue(k, newVal);
  1567.         cfg[k] = newVal;
  1568.         shouldAdjust = true;
  1569.       }
  1570.     }
  1571.     options.remove();
  1572.     if (cfg.resize === 'Custom' && (cfg.width !== oldCfg.width || cfg.height !== oldCfg.height))
  1573.       updateCustomSize(cfg.width, cfg.height);
  1574.     if (cfg.showStoryboard !== oldCfg.showStoryboard)
  1575.       $$('.instant-youtube-container').forEach(updateHoverHandler);
  1576.     if (cfg.playHTML5 !== oldCfg.playHTML5 && cfg.playHTML5Shown) {
  1577.       const alt = _(`msgPlay${cfg.playHTML5 ? '' : 'HTML5'}`);
  1578.       for (const e of $$('.instant-youtube-alternative'))
  1579.         e.textContent = alt;
  1580.     }
  1581.     if (cfg.playHTML5Shown !== oldCfg.playHTML5Shown)
  1582.       updateAltPlayerCSS();
  1583.     if (shouldAdjust)
  1584.       adjustNodes(e, btn.closest('.instant-youtube-container'));
  1585.   };
  1586.   e.target.insertAdjacentElement('afterend', options);
  1587. }
  1588.  
  1589. function updateCustomSize(w, h) {
  1590.   cfg.width = Math.min(9999, Math.max(320, w | 0 || cfg.width | 0));
  1591.   cfg.height = Math.min(9999, Math.max(240, h | 0 || cfg.height | 0));
  1592. }
  1593.  
  1594. function updateAltPlayerCSS() {
  1595.   const ALT = '.instant-youtube-alternative:not(#foo)';
  1596.   styledom.textContent = styledom.textContent.split(ALT)[0] + /*language=CSS*/ `${ALT} {
  1597.     display: ${cfg.playHTML5Shown ? 'block' : 'none'} !important;
  1598.   }`;
  1599. }
  1600.  
  1601. function important(cssText, rx = /;/g) {
  1602.   return cssText.replace(rx, '!important;');
  1603. }
  1604.  
  1605. function $(sel, base = document) {
  1606.   return base.querySelector(sel) || 0;
  1607. }
  1608.  
  1609. function $$(sel, base = document) {
  1610.   return [...base.querySelectorAll(sel)];
  1611. }
  1612.  
  1613. function $create(tagCls, props, children) {
  1614.   const [tag, cls] = tagCls.split('.');
  1615.   const el = Object.assign(document.createElement(tag), props);
  1616.   if (cls)
  1617.     el.className = `instant-youtube-${cls}`;
  1618.   if (props && typeof props.style === 'object')
  1619.     overrideCSS(el, props.style);
  1620.   if (children && typeof children !== 'object')
  1621.     children = document.createTextNode(children);
  1622.   if (children instanceof Node)
  1623.     el.appendChild(children);
  1624.   else if (Array.isArray(children))
  1625.     el.append(...children.filter(Boolean));
  1626.   return el;
  1627. }
  1628.  
  1629. function $$remove(sel, base = document) {
  1630.   for (const el of base.querySelectorAll(sel))
  1631.     el.remove();
  1632. }
  1633.  
  1634. function overrideCSS(el, props) {
  1635.   const names = Object.keys(props);
  1636.   el.style.cssText = el.style.cssText
  1637.     .replace(new RegExp(`(^|\\s|;)(${names.join('|')})(:[^;]+)`, 'gi'), '$1')
  1638.     .replace(/[^;]\s*$/, '$&;')
  1639.     .replace(/^\s*;\s*/, '') + names.map(n => `${n}:${props[n]}!important;`).join(' ');
  1640.   return el;
  1641. }
  1642.  
  1643. // fix dumb Firefox bug
  1644. function floatPadding(node, style, dir) {
  1645.   const padding = style['padding' + dir];
  1646.   if (padding.indexOf('%') < 0)
  1647.     return parseFloat(padding);
  1648.   return parseFloat(padding) * (parseFloat(style.width) || node.clientWidth) / 100;
  1649. }
  1650.  
  1651. async function cleanupStorage() {
  1652.   cleanupStorage.timer = 0;
  1653.   const cutoff = Date.now() - CACHE_STALE_DURATION;
  1654.   // TODO: remove localStorage in 2024
  1655.   for (const k in localStorage) {
  1656.     if (k.startsWith(CACHE_PREFIX)) {
  1657.       try {
  1658.         const str = localStorage[k];
  1659.         const isObj = str[0] === '{';
  1660.         const val = isObj ? tryJSONparse(str) || false : str;
  1661.         const time = isObj ? val.lastUsed : parseInt(val, 36) * 1000;
  1662.         if (time > cutoff) {
  1663.           const res = isObj
  1664.             ? (val.lastUsed = new Date(time), val)
  1665.             : unpack(val, k.slice(CACHE_PREFIX.length));
  1666.           write(res);
  1667.         }
  1668.       } catch (e) {}
  1669.     }
  1670.   }
  1671.   // TODO: remove GM_listValues in 2024
  1672.   for (const k of GM_listValues())
  1673.     if (k.startsWith('cache-'))
  1674.       GM_deleteValue(k);
  1675.   try {
  1676.     /** @type {IDBIndex} */
  1677.     const store = await db({raw: true, write: true, index: 'lastUsed'});
  1678.     const req = store.openCursor(IDBKeyRange.upperBound(new Date(cutoff)));
  1679.     req.onerror = console.warn;
  1680.     req.onsuccess = () => {
  1681.       const cur = /** @type {IDBCursorWithValue} */ req.result; if (!cur) return;
  1682.       cur.delete().onerror = console.warn;
  1683.       cur.continue();
  1684.     };
  1685.   } catch (e) { console.warn(e); }
  1686.   await write().catch(console.warn);
  1687.   for (const k in localStorage)
  1688.     if (k.startsWith(CACHE_PREFIX))
  1689.       delete localStorage[k];
  1690. }
  1691.  
  1692. function initDB() {
  1693.   db = TinyIDB('FYTE', {
  1694.     onUpgrade() {
  1695.       this.result
  1696.       .createObjectStore('data', {keyPath: 'id'})
  1697.       .createIndex('lastUsed', 'u');
  1698.     },
  1699.   });
  1700.   cleanupStorage.timer = setTimeout(cleanupStorage, 1e3);
  1701.   return db;
  1702. }
  1703.  
  1704. async function read(ids) {
  1705.   const toRead = [];
  1706.   const toWrite = [];
  1707.   for (const id of ids) {
  1708.     const str = localStorage[CACHE_PREFIX + id];
  1709.     if (str) {
  1710.       toWrite.push(id);
  1711.       unpack(str, id);
  1712.     } else {
  1713.       toRead.push(id);
  1714.     }
  1715.   }
  1716.   if (toRead.length) {
  1717.     for (const val of await (db || initDB()).getMulti(toRead))
  1718.       if (val) unpack(val);
  1719.   }
  1720.   if (toWrite.length) {
  1721.     if (!cleanupStorage.timer) cleanupStorage.timer = setTimeout(cleanupStorage, 1000);
  1722.     toWrite.forEach(write);
  1723.   }
  1724. }
  1725.  
  1726. function unpack(data, id) {
  1727.   const old = !!id;
  1728.   const arr = (old ? data : data.a).split('\n');
  1729.   const obj = {
  1730.     id: id || (id = data.id),
  1731.     lastUsed: old ? new Date(parseInt(arr.shift(), 36) * 1000) : data.u,
  1732.   };
  1733.   for (let j = 0; j < CACHE_PROPS.length; j++) {
  1734.     const [key, type] = CACHE_PROPS[j];
  1735.     const v = arr[j] || '';
  1736.     obj[key] = type === 0 ? parseInt(v, 36) || 0
  1737.       : key === 'cover' ? getCoverUrl(id, v) || ''
  1738.         : v;
  1739.   }
  1740.   return (dbCache[id] = obj);
  1741. }
  1742.  
  1743. function write(data) {
  1744.   if (data) {
  1745.     if (!write.timer) write.timer = setTimeout(write, dbFlushDelay);
  1746.     const id = typeof data === 'object' ? data.id : data;
  1747.     dbCache[id] = data;
  1748.     dbFlush.add(id);
  1749.     return;
  1750.   }
  1751.   const toWrite = [];
  1752.   for (const id of dbFlush) {
  1753.     const obj = dbCache[id];
  1754.     let res = '';
  1755.     for (const [key, type] of CACHE_PROPS) {
  1756.       const v = obj[key];
  1757.       // not storing array values separately to minimize byte size
  1758.       res += `${res ? '\n' : ''}${!v ? ''
  1759.         : type === 0 ? (+v).toString(36)
  1760.           : key === 'cover' ? v.split('?')[0].split('/').pop()
  1761.             : v.replace(/\n/g, ' ')}`;
  1762.     }
  1763.     toWrite.push({
  1764.       a: res,
  1765.       u: obj.lastUsed,
  1766.       id,
  1767.     });
  1768.   }
  1769.   dbFlush.clear();
  1770.   write.timer = 0;
  1771.   return toWrite.length ? (db || initDB()).putMulti(toWrite) : Promise.resolve();
  1772. }
  1773.  
  1774. function tryJSONparse(s) {
  1775.   try {
  1776.     return JSON.parse(s);
  1777.   } catch (e) {}
  1778. }
  1779.  
  1780. function secondsToTimeString(sec) {
  1781.   const h = sec / 3600 | 0;
  1782.   const m = (sec / 60 | 0) % 60;
  1783.   const s = sec % 60;
  1784.   return `${h ? h + ':' : ''}${h && m < 10 ? 0 : ''}${m}:${s < 10 ? 0 : ''}${s}`;
  1785. }
  1786.  
  1787. function translateHTML(html) {
  1788.   const tmp = $create('div', {innerHTML: html.trim().replace(/\n\s*/g, '')});
  1789.   for (const node of $$('[tl]', tmp)) {
  1790.     for (const what of (node.getAttribute('tl') || 'content').split(',')) {
  1791.       let child;
  1792.       if (what === 'content') {
  1793.         for (const n of [...node.childNodes].reverse()) {
  1794.           if (n.nodeType === Node.TEXT_NODE && n.textContent.trim()) {
  1795.             child = n;
  1796.             break;
  1797.           }
  1798.         }
  1799.       } else
  1800.         child = node.getAttributeNode(what);
  1801.       if (!child)
  1802.         continue;
  1803.       const src = child.textContent;
  1804.       const srcTrimmed = src.trim();
  1805.       const tl = src.replace(srcTrimmed, _(srcTrimmed));
  1806.       if (src !== tl)
  1807.         child.textContent = tl;
  1808.     }
  1809.   }
  1810.   return [...tmp.childNodes];
  1811. }
  1812.  
  1813. function initTL() {
  1814.   const tlSource = {
  1815.     msgWatch: {
  1816.       en: 'watch on Youtube',
  1817.       ru: 'открыть на Youtube',
  1818.     },
  1819.     msgPlay: {
  1820.       en: 'Play with Youtube player',
  1821.       ru: 'Включить плеер Youtube',
  1822.     },
  1823.     msgPlayHTML5: {
  1824.       en: 'Play directly (up to 720p)',
  1825.       ru: 'Включить напрямую (макс. 720p)',
  1826.     },
  1827.     msgAltPlayerHint: {
  1828.       en: 'Shift-click to use alternative player',
  1829.       ru: 'Shift-клик для смены типа плеера',
  1830.     },
  1831.     Options: {
  1832.       ru: 'Опции',
  1833.     },
  1834.     'Size:': {
  1835.       ru: 'Размер:',
  1836.     },
  1837.     Original: {
  1838.       ru: 'Исходный',
  1839.     },
  1840.     'Fit to width': {
  1841.       ru: 'На всю ширину',
  1842.     },
  1843.     'Custom...': {
  1844.       ru: 'Настроить...',
  1845.     },
  1846.     width: {
  1847.       ru: 'ширина',
  1848.     },
  1849.     height: {
  1850.       ru: 'высота',
  1851.     },
  1852.     msgStoryboard: {
  1853.       en: 'Storyboard thumbnails on hover',
  1854.       ru: 'Раскадровка при наведении курсора',
  1855.     },
  1856.     msgStoryboardTip: {
  1857.       en: 'Show storyboard preview on mouse hover at the bottom',
  1858.       ru: 'Показывать миникадры при наведении мыши на низ кавер-картинки',
  1859.     },
  1860.     msgDirect: {
  1861.       en: 'Play directly',
  1862.       ru: 'Встроенный плеер браузера',
  1863.     },
  1864.     msgDirectTip: {
  1865.       en: 'Shift-click a thumbnail to use the alternative player',
  1866.       ru: 'Удерживайте клавишу Shift при щелчке на картинке для альтернативного плеера',
  1867.     },
  1868.     msgDirectShown: {
  1869.       en: 'Show under play button',
  1870.       ru: 'Показывать под кнопкой ►',
  1871.     },
  1872.     msgInvidious: {
  1873.       en: 'Use https://invidio.us to play videos',
  1874.       ru: 'Использовать https://invidio.us в плеере',
  1875.     },
  1876.     msgSafe: {
  1877.       en: 'Safe (skip videos with enablejsapi=1)',
  1878.       ru: 'Консервативный режим',
  1879.     },
  1880.     msgSafeTip: {
  1881.       en: 'Do not process customized videos with enablejsapi=1 parameter (requires page reload)',
  1882.       ru: 'Не обрабатывать нестандартные видео с параметром enablejsapi=1 ' +
  1883.           '(подействует после обновления страницы)',
  1884.     },
  1885.     msgPinning: {
  1886.       en: 'Corner pinning',
  1887.       ru: 'Закрепление по углам',
  1888.     },
  1889.     msgPinningTip: {
  1890.       en: 'Enable corner pinning controls when a video is playing.\n' +
  1891.           'To restore the video click the active corner pin or the original video placeholder.',
  1892.       ru: 'Включить шпильки по углам для закрепления видео во время просмотра.\n' +
  1893.           'Для отмены можно нажать еще раз на активированный угол или на заглушку, ' +
  1894.           'где исходно было видео',
  1895.     },
  1896.     msgPinningOn: {
  1897.       en: 'On',
  1898.       ru: 'Да',
  1899.     },
  1900.     msgPinningHover: {
  1901.       en: 'On, hover a corner to show',
  1902.       ru: 'Да, при наведении курсора',
  1903.     },
  1904.     msgPinningOff: {
  1905.       en: 'Off',
  1906.       ru: 'Нет',
  1907.     },
  1908.     OK: {
  1909.       ru: 'ОК',
  1910.     },
  1911.     Cancel: {
  1912.       ru: 'Оменить',
  1913.     },
  1914.   };
  1915.   const browserLang = navigator.language || navigator.languages && navigator.languages[0] || '';
  1916.   const browserLangMajor = browserLang.replace(/-.+/, '');
  1917.   const tl = {};
  1918.   for (const k of Object.keys(tlSource)) {
  1919.     const langs = tlSource[k];
  1920.     const text = langs[browserLang] || langs[browserLangMajor];
  1921.     if (text)
  1922.       tl[k] = text;
  1923.   }
  1924.   return src => tl[src] || src;
  1925. }
  1926.  
  1927. function initPlayButton() {
  1928.   [playbtn] = translateHTML(`
  1929.     <svg class="instant-youtube-play-button">
  1930.         <path fill-rule="evenodd" clip-rule="evenodd" fill="#1F1F1F" class="ytp-large-play-button-svg" d="M84.15,26.4v6.35c0,2.833-0.15,5.967-0.45,9.4c-0.133,1.7-0.267,3.117-0.4,4.25l-0.15,0.95c-0.167,0.767-0.367,1.517-0.6,2.25c-0.667,2.367-1.533,4.083-2.6,5.15c-1.367,1.4-2.967,2.383-4.8,2.95c-0.633,0.2-1.316,0.333-2.05,0.4c-0.767,0.1-1.3,0.167-1.6,0.2c-4.9,0.367-11.283,0.617-19.15,0.75c-2.434,0.034-4.883,0.067-7.35,0.1h-2.95C38.417,59.117,34.5,59.067,30.3,59c-8.433-0.167-14.05-0.383-16.85-0.65c-0.067-0.033-0.667-0.117-1.8-0.25c-0.9-0.133-1.683-0.283-2.35-0.45c-2.066-0.533-3.783-1.5-5.15-2.9c-1.033-1.067-1.9-2.783-2.6-5.15C1.317,48.867,1.133,48.117,1,47.35L0.8,46.4c-0.133-1.133-0.267-2.55-0.4-4.25C0.133,38.717,0,35.583,0,32.75V26.4c0-2.833,0.133-5.95,0.4-9.35l0.4-4.25c0.167-0.966,0.417-2.05,0.75-3.25c0.7-2.333,1.567-4.033,2.6-5.1c1.367-1.434,2.967-2.434,4.8-3c0.633-0.167,1.333-0.3,2.1-0.4c0.4-0.066,0.917-0.133,1.55-0.2c4.9-0.333,11.283-0.567,19.15-0.7C35.65,0.05,39.083,0,42.05,0L45,0.05c2.467,0,4.933,0.034,7.4,0.1c7.833,0.133,14.2,0.367,19.1,0.7c0.3,0.033,0.833,0.1,1.6,0.2c0.733,0.1,1.417,0.233,2.05,0.4c1.833,0.566,3.434,1.566,4.8,3c1.066,1.066,1.933,2.767,2.6,5.1c0.367,1.2,0.617,2.284,0.75,3.25l0.4,4.25C84,20.45,84.15,23.567,84.15,26.4z M33.3,41.4L56,29.6L33.3,17.75V41.4z"><title tl>msgAltPlayerHint</title></path>
  1931.         <polygon fill-rule="evenodd" clip-rule="evenodd" fill="#FFFFFF"
  1932.                  points="33.3,41.4 33.3,17.75 56,29.6"></polygon>
  1933.       </svg>`);
  1934.   return playbtn;
  1935. }
  1936.  
  1937. /**
  1938.  * @param {string} dbName
  1939.  * @param {Object} [opts]
  1940.  * @param {string} [opts.store]
  1941.  * @param {string} [opts.index]
  1942.  * @param {number} [opts.timeout]
  1943.  * @param {number} [opts.version]
  1944.  * @param {(this:IDBOpenDBRequest, e:IDBVersionChangeEvent)=>void} [opts.onUpgrade]
  1945.  * @returns {TinyIDB}
  1946.  */
  1947. function TinyIDB(dbName, {
  1948.   store = 'data',
  1949.   index,
  1950.   version,
  1951.   timeout = 250,
  1952.   onUpgrade = function (evt) {
  1953.     if (store) evt.target.result.createObjectStore(store);
  1954.   },
  1955. } = {}) {
  1956.   /** @typedef {TinyIDBSource | ((config?:TinyIDBConfig) => Promise<TinyIDBSource>)} TinyIDB */
  1957.   /** @typedef {number|string|Date|BufferSource|IDBKeyRange} IDBKey */
  1958.   /** @typedef {IDBObjectStore | IDBIndex | {
  1959.    *  getMulti: (keys: IDBKey[]) => ?[]
  1960.    *  putMulti: (values: Object[] | [val:?, key:IDBKey][]) => IDBKey[]
  1961.    * }} TinyIDBSource */
  1962.   /** @typedef TinyIDBConfig
  1963.    * @prop {boolean} [raw] - returns the raw IDBObjectStore | IDBIndex object
  1964.    * @prop {boolean} [write]
  1965.    * @prop {string} [store]
  1966.    * @prop {string} [index]
  1967.    */
  1968.   let timer;
  1969.   /** @type {IDBDatabase} */
  1970.   let db;
  1971.   let dbPromise;
  1972.   const RW = ['add', 'clear', 'delete', 'put', 'putMulti'];
  1973.   const handler = {
  1974.     apply: proxyApply,
  1975.     get: (cfg, method) => proxyGet.bind(null, cfg, method),
  1976.   };
  1977.   return new Proxy(TinyIDB, handler);
  1978.  
  1979.   function proxyApply(_, thisObj, [cfg]) {
  1980.     return cfg && cfg.raw
  1981.       ? proxyGet(cfg)
  1982.       : new Proxy(cfg || {}, handler);
  1983.   }
  1984.   /**
  1985.    * @param {TinyIDBConfig} cfg
  1986.    * @param {keyof IDBObjectStore | 'getMulti' | 'putMulti'} method
  1987.    * @param {...?[]} args
  1988.    * @return {Promise<?>}
  1989.    */
  1990.   async function proxyGet(cfg, method, ...args) {
  1991.     if (!db) await (dbPromise || open());
  1992.     const {
  1993.       raw,
  1994.       index: txIndex = index,
  1995.       store: txStore = store,
  1996.       write = RW.includes(method),
  1997.     } = cfg;
  1998.     const arg = args[0];
  1999.     const isMulti = !raw && (method === 'getMulti' || method === 'putMulti');
  2000.     if (isMulti) {
  2001.       if (!Array.isArray(arg)) throw new Error('Argument must be an array');
  2002.       if (!arg.length) return [];
  2003.     }
  2004.     const tx = db.transaction(txStore, write ? 'readwrite' : 'readonly');
  2005.     let source = tx.objectStore(txStore);
  2006.     if (timer) clearTimeout(timer);
  2007.     if (txIndex) source = source.index(txIndex);
  2008.     if (timeout) tx.oncomplete = tx.onerror = closeLater;
  2009.     if (raw) return source;
  2010.     let req, resolve, reject;
  2011.     const promise = new Promise((ok, ko) => (resolve = ok) && (reject = ko));
  2012.     if (isMulti) {
  2013.       source._results = [];
  2014.       method = method.slice(0, 3);
  2015.       const addKey = method === 'put' && !source.keyPath;
  2016.       for (let i = 0, val, len = arg.length; i < len; i++) {
  2017.         val = arg[i];
  2018.         req = addKey
  2019.           ? source[method](val[0], val[1])
  2020.           : source[method](val);
  2021.         req.onsuccess = onExecMulti;
  2022.         req.onerror = reject;
  2023.       }
  2024.     } else {
  2025.       req = source[method](...args);
  2026.       req.onsuccess = onExec;
  2027.       req.onerror = reject;
  2028.     }
  2029.     req._resolve = resolve;
  2030.     return promise;
  2031.   }
  2032.   function onExec() {
  2033.     this._resolve(this.result);
  2034.   }
  2035.   function onExecMulti() {
  2036.     const {result, _resolve: cb, source: {_results: arr}} = this;
  2037.     arr.push(result);
  2038.     if (cb) cb(arr);
  2039.   }
  2040.   function open() {
  2041.     dbPromise = new Promise((resolve, reject) => {
  2042.       const op = indexedDB.open(dbName, version);
  2043.       op.onupgradeneeded = onUpgrade;
  2044.       op.onsuccess = onOpened;
  2045.       op.onerror = reject;
  2046.       op._resolve = resolve;
  2047.     });
  2048.     return dbPromise;
  2049.   }
  2050.   function onOpened() {
  2051.     this._resolve(db = this.result);
  2052.     dbPromise = null;
  2053.   }
  2054.   function closeLater() {
  2055.     timer = setTimeout(closeNow, timeout);
  2056.   }
  2057.   function closeNow() {
  2058.     timer = 0;
  2059.     if (db) {
  2060.       db.close();
  2061.       db = null;
  2062.     }
  2063.   }
  2064. }
  2065.  
  2066. function injectStylesIfNeeded(force) {
  2067.   if (!fytedom[0] && !force)
  2068.     return;
  2069.   styledom = styledom || GM_addStyle(/*language=CSS*/ `
  2070. [class^="instant-youtube-"]:not(#foo) {
  2071.   margin: 0;
  2072.   padding: 0;
  2073.   transform: none;
  2074. }
  2075. ` + important(/*language=CSS*/ `
  2076. .instant-youtube-container {
  2077.   contain: strict;
  2078.   display: block;
  2079.   position: relative;
  2080.   overflow: hidden;
  2081.   cursor: pointer;
  2082.   padding: 0;
  2083.   margin: auto;
  2084.   font: normal 14px/1.0 sans-serif, Arial, Helvetica, Verdana;
  2085.   text-align: center;
  2086.   background: black;
  2087.   break-inside: avoid-column;
  2088. }
  2089. .instant-youtube-container[disabled] {
  2090.   background: #888;
  2091. }
  2092. .instant-youtube-container[disabled] .instant-youtube-storyboard {
  2093.   display: none;
  2094. }
  2095. .instant-youtube-container[pinned] {
  2096.   box-shadow: 0 0 30px black;
  2097. }
  2098. .instant-youtube-container[playing] {
  2099.   contain: none;
  2100. }
  2101. .instant-youtube-wrapper {
  2102.   width: 100%;
  2103.   height: 100%;
  2104. }
  2105. .instant-youtube-play-button {
  2106.   display: block;
  2107.   position: absolute;
  2108.   width: 85px;
  2109.   height: 60px;
  2110.   left: 0;
  2111.   right: 0;
  2112.   top: 0;
  2113.   bottom: 0;
  2114.   margin: auto;
  2115. }
  2116. .instant-youtube-loading-spinner {
  2117.   display: block;
  2118.   position: absolute;
  2119.   width: 20px;
  2120.   height: 20px;
  2121.   left: 0;
  2122.   right: 0;
  2123.   top: 0;
  2124.   bottom: 0;
  2125.   padding: 0;
  2126.   margin: auto;
  2127.   pointer-events: none;
  2128.   background: url("data:image/gif;base64,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");
  2129. }
  2130. .instant-youtube-container:hover .ytp-large-play-button-svg {
  2131.   fill: #CC181E;
  2132. }
  2133. .instant-youtube-alternative {
  2134.   display: block;
  2135.   position: absolute;
  2136.   width: 20em;
  2137.   height: 20px;
  2138.   top: 50%;
  2139.   left: 0;
  2140.   right: 0;
  2141.   margin: 60px auto;
  2142.   padding: 0;
  2143.   border: none;
  2144.   text-align: center;
  2145.   text-decoration: none;
  2146.   text-shadow: 1px 1px 3px black;
  2147.   color: white;
  2148.   z-index: 8;
  2149.   font-weight: normal;
  2150.   font-size: 12px;
  2151. }
  2152. .instant-youtube-alternative:hover {
  2153.   text-decoration: underline;
  2154.   color: white;
  2155.   background: transparent;
  2156. }
  2157. .instant-youtube-embed {
  2158.   z-index: 10;
  2159.   background: transparent;
  2160.   transition: opacity .25s;
  2161. }
  2162. .instant-youtube-title {
  2163.   z-index: 20;
  2164.   display: block;
  2165.   position: absolute;
  2166.   width: auto;
  2167.   top: 0;
  2168.   left: 0;
  2169.   right: 0;
  2170.   margin: 0;
  2171.   padding: 7px;
  2172.   border: none;
  2173.   text-shadow: 1px 1px 2px black;
  2174.   text-align: center;
  2175.   text-decoration: none;
  2176.   color: white;
  2177.   background-color: #0008;
  2178. }
  2179. .instant-youtube-title strong {
  2180.   font: bold 14px/1.0 sans-serif, Arial, Helvetica, Verdana;
  2181. }
  2182. .instant-youtube-title strong::after {
  2183.   content: " - ${_('msgWatch')}";
  2184.   font-weight: normal;
  2185.   margin-right: 1ex;
  2186. }
  2187. .instant-youtube-title span {
  2188.   color: white;
  2189. }
  2190. .instant-youtube-title span::before {
  2191.   content: "(";
  2192. }
  2193. .instant-youtube-title span::after {
  2194.   content: ")";
  2195. }
  2196. .instant-youtube-title i::before {
  2197.   content: ", ";
  2198. }
  2199. .instant-youtube-container .instant-youtube-title i {
  2200.   all: unset;
  2201.   opacity: .5;
  2202.   font-style: normal;
  2203.   color: white;
  2204. }
  2205. @-webkit-keyframes instant-youtube-fadein {
  2206.   from { opacity: 0 }
  2207.   to { opacity: 1 }
  2208. }
  2209. @-moz-keyframes instant-youtube-fadein {
  2210.   from { opacity: 0 }
  2211.   to { opacity: 1 }
  2212. }
  2213. @keyframes instant-youtube-fadein {
  2214.   from { opacity: 0 }
  2215.   to { opacity: 1 }
  2216. }
  2217. .instant-youtube-container:not(:hover) .instant-youtube-title[hidden] {
  2218.   display: none;
  2219.   margin: 0;
  2220. }
  2221. .instant-youtube-title:hover {
  2222.   text-decoration: underline;
  2223. }
  2224. .instant-youtube-title strong {
  2225.   color: white;
  2226. }
  2227. .instant-youtube-options-button {
  2228.   opacity: 0.6;
  2229.   position: absolute;
  2230.   right: 0;
  2231.   bottom: 0;
  2232.   margin: 0;
  2233.   padding: 1.5ex 2ex;
  2234.   font-size: 11px;
  2235.   text-shadow: 1px 1px 2px black;
  2236.   color: white;
  2237. }
  2238. .instant-youtube-options-button:hover {
  2239.   opacity: 1;
  2240.   background: rgba(0, 0, 0, 0.5);
  2241. }
  2242. .instant-youtube-options {
  2243.   display: flex;
  2244.   position: absolute;
  2245.   right: 0;
  2246.   bottom: 0;
  2247.   margin: 0;
  2248.   padding: 1ex 1ex 2ex 2ex;
  2249.   flex-direction: column;
  2250.   align-items: flex-start;
  2251.   line-height: 1.5;
  2252.   text-align: left;
  2253.   opacity: 1;
  2254.   color: white;
  2255.   background: black;
  2256.   z-index: 999;
  2257. }
  2258. .instant-youtube-options * {
  2259.   width: auto;
  2260.   height: auto;
  2261.   margin: 0;
  2262.   padding: 0;
  2263.   font: inherit;
  2264.   font-size: 13px;
  2265.   vertical-align: middle;
  2266.   text-transform: none;
  2267.   text-align: left;
  2268.   border-radius: 0;
  2269.   text-decoration: none;
  2270.   color: white;
  2271.   background: black;
  2272. }
  2273. .instant-youtube-options > * {
  2274.   margin-top: 1ex;
  2275. }
  2276. .instant-youtube-options table {
  2277.   all: unset;
  2278.   display: table;
  2279. }
  2280. .instant-youtube-options tr {
  2281.   all: unset;
  2282.   display: table-row;
  2283. }
  2284. .instant-youtube-options td {
  2285.   all: unset;
  2286.   display: table-cell;
  2287.   padding: 2px;
  2288. }
  2289. .instant-youtube-options label > * {
  2290.   display: inline;
  2291. }
  2292. .instant-youtube-options select {
  2293.   padding: .5ex .25ex;
  2294.   border: 1px solid #444;
  2295.   -webkit-appearance: menulist;
  2296. }
  2297. .instant-youtube-options [data-action="resize-custom"] input {
  2298.   width: 9ex;
  2299.   padding: .5ex .5ex .4ex;
  2300.   border: 1px solid #666;
  2301. }
  2302. .instant-youtube-options [data-action="buttons"] {
  2303.   margin-top: 1em;
  2304. }
  2305. .instant-youtube-options button {
  2306.   margin: 0 1ex 0 0;
  2307.   padding: .5ex 2ex;
  2308.   border: 2px solid gray;
  2309.   font-weight: bold;
  2310. }
  2311. .instant-youtube-options button:hover {
  2312.   border-color: white;
  2313. }
  2314. .instant-youtube-options label[disabled] {
  2315.   opacity: 0.25;
  2316. }
  2317. .instant-youtube-storyboard {
  2318.   height: 33%;
  2319.   max-height: 90px;
  2320.   display: block;
  2321.   position: absolute;
  2322.   left: 0;
  2323.   right: 0;
  2324.   bottom: 0;
  2325.   overflow: visible;
  2326.   transition: background-color .5s .25s;
  2327. }
  2328. .instant-youtube-storyboard[data-loaded]:hover {
  2329.   background-color: #0004;
  2330. }
  2331. .instant-youtube-storyboard div {
  2332.   display: block;
  2333.   position: absolute;
  2334.   bottom: 0;
  2335.   pointer-events: none;
  2336.   border: 3px solid #888;
  2337.   box-shadow: 2px 2px 10px black;
  2338.   transition: opacity .25s ease;
  2339.   background-color: transparent;
  2340.   background-origin: content-box;
  2341.   opacity: 0;
  2342. }
  2343. .instant-youtube-storyboard div::after {
  2344.   content: attr(data-time);
  2345.   opacity: .5;
  2346.   color: #fff;
  2347.   background-color: #000;
  2348.   font-weight: bold;
  2349.   font-size: 10px;
  2350.   position: absolute;
  2351.   bottom: 4px;
  2352.   left: 4px;
  2353.   padding: 1px 3px;
  2354. }
  2355. .instant-youtube-storyboard:hover div {
  2356.   opacity: 1;
  2357. }
  2358. .instant-youtube-container [pin] {
  2359.   display: block;
  2360.   position: absolute;
  2361.   width: 0;
  2362.   height: 0;
  2363.   margin: 0;
  2364.   padding: 0;
  2365.   top: auto; bottom: auto; left: auto; right: auto;
  2366.   border-style: solid;
  2367.   transition: opacity 2.5s ease-in, opacity 0.4s ease-out;
  2368.   opacity: 0;
  2369.   z-index: 100;
  2370. }
  2371. .instant-youtube-container[playing]:hover [pin]:not([transparent]) {
  2372.   opacity: 1;
  2373. }
  2374. .instant-youtube-container[playing] [pin]:hover {
  2375.   cursor: alias;
  2376.   opacity: 1;
  2377.   transition: opacity 0s;
  2378. }
  2379. .instant-youtube-container [pin=top-left][active] { border-top-color: green; }
  2380. .instant-youtube-container [pin=top-left]:hover { border-top-color: #fc0; }
  2381. .instant-youtube-container [pin=top-left] {
  2382.   top: 0; left: 0;
  2383.   border-width: 10px 10px 0 0;
  2384.   border-color: red transparent transparent transparent;
  2385. }
  2386. .instant-youtube-container [pin=top-left][transparent] {
  2387.   border-width: 10px 10px 0 0;
  2388. }
  2389. .instant-youtube-container [pin=top-right][active] { border-right-color: green; }
  2390. .instant-youtube-container [pin=top-right]:hover { border-right-color: #fc0; }
  2391. .instant-youtube-container [pin=top-right] {
  2392.   top: 0; right: 0;
  2393.   border-width: 0 10px 10px 0;
  2394.   border-color: transparent red transparent transparent;
  2395. }
  2396. .instant-youtube-container [pin=top-right][transparent] {
  2397.   border-width: 0 10px 10px 0;
  2398. }
  2399. .instant-youtube-container [pin=bottom-right][active] { border-bottom-color: green; }
  2400. .instant-youtube-container [pin=bottom-right]:hover { border-bottom-color: #fc0; }
  2401. .instant-youtube-container [pin=bottom-right] {
  2402.   bottom: 0; right: 0;
  2403.   border-width: 0 0 10px 10px;
  2404.   border-color: transparent transparent red transparent;
  2405. }
  2406. .instant-youtube-container [pin=bottom-right][transparent] {
  2407.   border-width: 0 0 10px 10px;
  2408. }
  2409. .instant-youtube-container [pin=bottom-left][active] { border-left-color: green; }
  2410. .instant-youtube-container [pin=bottom-left]:hover { border-left-color: #fc0; }
  2411. .instant-youtube-container [pin=bottom-left] {
  2412.   bottom: 0; left: 0;
  2413.   border-width: 10px 0 0 10px;
  2414.   border-color: transparent transparent transparent red;
  2415. }
  2416. .instant-youtube-container [pin=bottom-left][transparent] {
  2417.   border-width: 10px 0 0 10px;
  2418. }
  2419. .instant-youtube-dragndrop-placeholder {
  2420.   z-index: 999999999;
  2421.   margin: 0;
  2422.   padding: 0;
  2423.   background: rgba(0, 255, 0, 0.1);
  2424.   border: 2px dotted green;
  2425.   box-sizing: border-box;
  2426.   pointer-events: none;
  2427. }
  2428. .instant-youtube-container [size-gripper] {
  2429.   width: 0;
  2430.   position: absolute;
  2431.   top: 0;
  2432.   bottom: 0;
  2433.   cursor: e-resize;
  2434.   border-color: rgba(50,100,255,0.5);
  2435.   border-width: 12px;
  2436.   background: rgba(50,100,255,0.2);
  2437.   z-index: 99;
  2438.   opacity: 0;
  2439.   transition: opacity .1s ease-in-out, border-color .1s ease-in-out;
  2440. }
  2441. .instant-youtube-container[pinned*="right"] [size-gripper] {
  2442.   border-style: none none none solid;
  2443.   left: -4px;
  2444. }
  2445. .instant-youtube-container[pinned*="left"] [size-gripper] {
  2446.   border-style: none solid none none;
  2447.   right: -4px;
  2448. }
  2449. .instant-youtube-container [size-gripper]:hover {
  2450.   opacity: 1;
  2451. }
  2452. .instant-youtube-container [size-gripper]:active {
  2453.   opacity: 1;
  2454.   width: auto;
  2455.   left: -4px;
  2456.   right: -4px;
  2457. }
  2458. .instant-youtube-container [size-gripper][tried-exceeding] {
  2459.   border-color: rgba(255,0,0,0.5);
  2460. }
  2461. .instant-youtube-container [size-gripper][saveAs="global"] {
  2462.   border-color: rgba(0,255,0,0.5);
  2463. }
  2464. .instant-youtube-container [size-gripper][saveAs="site"] {
  2465.   border-color: rgba(0,255,255,0.5);
  2466. }
  2467. .instant-youtube-container [size-gripper][saveAs="reset"] {
  2468.   border-color: rgba(255,255,0,0.5);
  2469. }
  2470. .instant-youtube-container [size-gripper][saveAs="cancel"] {
  2471.   border-color: rgba(255,0,255,0.25);
  2472. }
  2473. .instant-youtube-container [size-gripper] > div {
  2474.   white-space: nowrap;
  2475.   color: white;
  2476.   font-weight: normal;
  2477.   line-height: 1.25;
  2478.   text-align: left;
  2479.   position: absolute;
  2480.   top: 50%;
  2481.   padding: 1ex 1em 1ex;
  2482.   background-color: rgba(80,150,255,0.5);
  2483. }
  2484. .instant-youtube-container [size-gripper] [save-as="site"] {
  2485.   font-weight: bold;
  2486.   color: yellow;
  2487. }
  2488. .instant-youtube-container[pinned*="left"] [size-gripper] > div {
  2489.   right: 0;
  2490. }
  2491. `, /;\n/g));
  2492.   // move our rules to the end of HEAD to increase CSS specificity
  2493.   if (styledom.nextElementSibling && document.head)
  2494.     document.head.appendChild(styledom);
  2495.   updateAltPlayerCSS();
  2496. }