☰

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.

当前为 2017-07-12 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: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).
  5. // @version        2.8.7
  6. // @include        *
  7. // @exclude        /^https:\/\/www\.youtube\.com\/(?!embed)/
  8. // @exclude        https://accounts.google.*/o/oauth2/postmessageRelay*
  9. // @exclude        https://clients*.google.*/youtubei/*
  10. // @exclude        https://clients*.google.*/static/proxy*
  11. // @author         wOxxOm
  12. // @namespace      wOxxOm.scripts
  13. // @license        MIT License
  14. // @grant          GM_getValue
  15. // @grant          GM_listValues
  16. // @grant          GM_deleteValue
  17. // @grant          GM_setValue
  18. // @grant          GM_addStyle
  19. // @grant          GM_xmlhttpRequest
  20. // @connect        www.youtube.com
  21. // @connect        youtube.com
  22. // @run-at         document-start
  23. // @icon           data:image/png;base64,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
  24. // @compatible     chrome
  25. // @compatible     firefox
  26. // @compatible     opera
  27. // ==/UserScript==
  28.  
  29. /* jshint lastsemic:true, multistr:true, laxbreak:true, -W030, -W041, -W084 */
  30.  
  31. // keep video info cache for a month since last time it's shown
  32. var CACHE_STALE_DURATION = 30 * 24 * 3600e3;
  33.  
  34. var playQuality = GM_getValue('quality', 'auto') || 'auto';
  35.  
  36. if (location.href.indexOf('https://www.youtube.com/') == 0) {
  37.   if (playQuality != 'auto') {
  38.     window.addEventListener('load', function _() {
  39.       window.removeEventListener('load', _);
  40.       var player = $('.html5-video-player');
  41.       if (player && typeof player.setPlaybackQuality == 'function')
  42.         player.setPlaybackQuality(playQuality);
  43.     });
  44.   }
  45.   if (!window.chrome || window == window.parent
  46.   || !location.href.match(/^https:\/\/www\.youtube\.com\/embed.*?FYTEfullscreen=1/))
  47.     return;
  48.   var fsbtn = document.getElementsByClassName('ytp-fullscreen-button');
  49.   new MutationObserver(function() {
  50.     if (fsbtn[0]) {
  51.       this.disconnect();
  52.       fsbtn[0].outerHTML = fsbtn[0].outerHTML;
  53.       fsbtn[0].addEventListener('click', function(e) {
  54.         window.parent.postMessage('FYTE-toggle-fullscreen', '*');
  55.       });
  56.     }
  57.   }).observe(document, {subtree:true, childList:true});
  58.   return;
  59. }
  60.  
  61. var resizeMode = GM_getValue('resize', 'Fit to width');
  62. if (typeof resizeMode != 'string')
  63.   resizeMode = resizeMode ? 'Fit to width' : 'Original';
  64.  
  65. var resizeWidth = GM_getValue('width', 1280) |0;
  66. var resizeHeight = GM_getValue('height', 720) |0;
  67. updateCustomSize();
  68.  
  69. var pinnedWidth = GM_getValue('pinnedWidth', 400) |0;
  70.  
  71. var playDirectly = !!GM_getValue('playHTML5', false);
  72. var playDirectlyShown = !!GM_getValue('playHTML5shown', false);
  73. var skipCustom = !!GM_getValue('skipCustom', true);
  74. var showStoryboard = !!GM_getValue('showStoryboard', true);
  75. var pinnable = GM_getValue('pinnable', 'on');
  76. if (!/^(on|hide|off)$/.test(pinnable))
  77.   pinnable = !!pinnable ? 'on' : 'hide';
  78.  
  79. var _ = initTL();
  80.  
  81. var imageLoader = document.createElement('img');
  82. var imageLoader2 = document.createElement('img');
  83.  
  84. var fytedom = document.getElementsByClassName('instant-youtube-container');
  85. var iframes = document.getElementsByTagName('iframe');
  86. var objects = document.getElementsByTagName('object');
  87. var persite = (function() {
  88.   var rules = [
  89.     {host: /(^|\.)google\.\w{2,3}(\.\w{2,3})?$/, class:'g-blk', query: 'a[href*="youtube.com/watch"][data-ved]', eatparent: 1},
  90.     {host: 'pikabu.ru', class:'b-video', match: '[data-url*="youtube.com/embed"]', attr: 'data-url'},
  91.     {host: 'androidauthority.com', eatparent: '.video-container'},
  92.     {host: 'reddit.com',
  93.       match: '[data-url*="youtube.com/"] [src*="/mediaembed"], [data-url*="youtu.be/"] [src*="/mediaembed"]',
  94.       src: function(e) { return e.closest('[data-url*="youtube.com/"], [data-url*="youtu.be/"]').dataset.url }},
  95.     {host: /(www\.)?theverge\.com$/, eatparent: '.p-scalable-video'},
  96.     {host: '9gag.com', eatparent: 0},
  97.   ];
  98.   for (var i=0, rule; (i<rules.length) && (rule=rules[i]); i++) {
  99.     var rx = rule.host instanceof RegExp ? rule.host : new RegExp('(^|\\.)' + rule.host.replace(/\./g, '\\.') + '$', 'i');
  100.     if (rx.test(location.hostname)) {
  101.       if (!rule.tag && !rule.class)
  102.         rule.tag = 'iframe';
  103.       if (!rule.match && !rule.query)
  104.         rule.match = '[src*="youtube.com/embed"]';
  105.       return {
  106.         nodes: rule.class ? document.getElementsByClassName(rule.class) : document.getElementsByTagName(rule.tag),
  107.         match: rule.match ? function(e) { return e.matches(rule.match) ? e : null }
  108.                           : function(e) { return e.querySelector(rule.query) },
  109.         attr: rule.attr,
  110.         src:  rule.src,
  111.         eatparent: rule.eatparent,
  112.       };
  113.     }
  114.   }
  115. })();
  116.  
  117. findEmbeds();
  118. injectStylesIfNeeded();
  119. new MutationObserver(findEmbeds).observe(document, {subtree:true, childList:true});
  120.  
  121. document.addEventListener('DOMContentLoaded', function(e) {
  122.   injectStylesIfNeeded();
  123.   adjustNodesIfNeeded(e);
  124.   setTimeout(cleanupCache, 60e3);
  125. });
  126. window.addEventListener('resize', adjustNodesIfNeeded, true);
  127. window.addEventListener('message', function(e) {
  128.   if (e.data == 'FYTE-toggle-fullscreen') {
  129.     $$('iframe[allowfullscreen]').some(function(iframe) {
  130.       if (iframe.contentWindow == e.source) {
  131.         goFullscreen(iframe, !(document.webkitIsFullScreen || document.mozIsFullScreen || document.isFullScreen));
  132.         return true;
  133.       }
  134.     });
  135.   }
  136.   else if (e.data == 'iframe-allowfs') {
  137.     $$('iframe:not([allowfullscreen])').some(function(iframe) {
  138.       if (iframe.contentWindow == e.source) {
  139.         iframe.allowFullscreen = true;
  140.         return true;
  141.       }
  142.     });
  143.     if (window != window.top)
  144.       window.parent.postMessage('iframe-allowfs', '*');
  145.   }
  146. });
  147.  
  148. function findEmbeds(mutations) {
  149.   var i, len, e, m;
  150.   if (mutations && mutations.length == 1 && !mutations[0].addedNodes.length)
  151.     return;
  152.   if (persite)
  153.     for (i=0, len=persite.nodes.length; (i<len) && (e=persite.nodes[i]); i++)
  154.       if (e = persite.match(e))
  155.         processEmbed(e, persite.src && persite.src(e) || e.getAttribute(persite.attr));
  156.   for (i=0, len=iframes.length; (i<len) && (e=iframes[i]); i++)
  157.     if (/youtube\.com|youtu\.be/i.test(e.src))
  158.       processEmbed(e);
  159.   for (i=0, len=objects.length; (i<len) && (e=objects[i]); i++)
  160.     if (m = e.querySelector('embed, [value*="youtu.be"], [value*="youtube.com"]'))
  161.       processEmbed(e, m.src || 'https://' + m.value.match(/youtu\.be.*|youtube\.com.*/)[0]);
  162. }
  163.  
  164. function processEmbed(node, src) {
  165.   function decodeEmbedUrl(url) {
  166.     return url.indexOf('youtube.com%2Fembed') > 0
  167.        ? decodeURIComponent(url.replace(/^.*?(http[^&?=]+?youtube.com%2Fembed[^&]+).*$/i, '$1'))
  168.          : url;
  169.   }
  170.   src = src || node.src || node.href || '';
  171.   var n = node;
  172.   var np = n.parentNode, npw;
  173.   var srcFixed = decodeEmbedUrl(src).replace(/\/(watch\?v=|v\/)/, '/embed/');
  174.   if (src.indexOf('cdn.embedly.com/') > 0 ||
  175.     resizeMode != 'Original' && np && np.children.length == 1 && !np.className && !np.id)
  176.   {
  177.     n = location.hostname == 'disqus.com' ? np.parentNode : np;
  178.     np = n.parentElement;
  179.   }
  180.   if (!np ||
  181.     !np.parentNode ||
  182.     skipCustom && srcFixed.indexOf('enablejsapi=1') > 0 ||
  183.     node.matches('.instant-youtube-embed, .YTLT-embed') ||
  184.     srcFixed.indexOf('/embed/videoseries') > 0 ||
  185.     node.onload // skip some retarded loaders
  186.   )
  187.     return;
  188.  
  189.   var id = srcFixed.match(/(?:^https?:\/\/)(?:www\.)?(?:youtube\.com\/(?:embed\/|\/.*?[&?\/]v[=\/])|youtu\.be\/)([^\s,.()\[\]?]+?)(?:[&?\/].*|$)/);
  190.   if (!id)
  191.     return;
  192.   id = id[1];
  193.  
  194.   var autoplay = srcFixed.indexOf('autoplay=1') > 0;
  195.  
  196.   if (np.localName == 'object')
  197.     n = np, np = n.parentElement;
  198.  
  199.   var eatparent = persite && persite.eatparent || 0;
  200.   if (typeof eatparent == 'string')
  201.     n = np.closest(eatparent) || n, np = n.parentElement;
  202.   else
  203.     while (eatparent--)
  204.       n = np, np = n.parentElement;
  205.  
  206.   injectStylesIfNeeded('force');
  207.  
  208.   var div = document.createElement('div');
  209.   div.className = 'instant-youtube-container';
  210.   div.FYTE = {
  211.     state: 'querying',
  212.     srcEmbed: srcFixed.replace(/&$/, ''),
  213.     originalWidth: /%/.test(node.width) ? 320 : node.width|0 || n.clientWidth|0,
  214.     originalHeight: /%/.test(node.height) ? 200 : node.height|0 || n.clientHeight|0,
  215.     cache: tryJSONparse(GM_getValue('cache-' + id)) || {
  216.       id: id,
  217.     }
  218.   };
  219.   div.FYTE.srcEmbedFixed = div.FYTE.srcEmbed.replace(/^http:/, 'https:').replace(/([&?])(wmode=\w+|feature=oembed)&?/, '$1').replace(/[&?]$/, '');
  220.   div.FYTE.srcWatchFixed = div.FYTE.srcEmbedFixed.replace(/\/embed\//, '/watch?v=').replace(/(\?.*?)\?/, '$1&');
  221.  
  222.   var cache = div.FYTE.cache;
  223.   cache.lastUsed = Date.now();
  224.   GM_setValue('cache-' + id, JSON.stringify(cache));
  225.  
  226.   if (cache.reason)
  227.     div.setAttribute('disabled', '');
  228.  
  229.   var divSize = calcContainerSize(div, n);
  230.   var origStyle = getComputedStyle(n);
  231.   div.style.cssText = important(
  232.     (autoplay ? '' : 'background-color:transparent; transition:background-color 2s;') +
  233.     (origStyle.hasOwnProperty('position') ? Object.keys(origStyle) : Object.keys(origStyle.__proto__) /*FF*/)
  234.       .filter(function(k) { return !!k.match(/^(position|left|right|top|bottom)$/) })
  235.       .map(function(k) { return k + ':' + origStyle[k] })
  236.       .join(';')
  237.       .replace(/\b[^;:]+:\s*(auto|static|block)\s*(!\s*important)?;/g, '') +
  238.     (origStyle.display == 'inline' ? ';display:inline-block;width:100%' : '') +
  239.     ';min-width:' + Math.min(divSize.w, div.FYTE.originalWidth) + 'px' +
  240.     ';min-height:' + Math.min(divSize.h, div.FYTE.originalHeight) + 'px' +
  241.     (resizeMode == 'Fit to width' ? ';width:100%' : '') +
  242.     ';max-width:' + divSize.w + 'px; height:' + (persite && persite.eatparent === 0 ? '100%' : divSize.h + 'px;'));
  243.   if (!autoplay) {
  244.     setTimeout(function() { div.style.backgroundColor = '' }, 0);
  245.     setTimeout(function() { div.style.transition = '' }, 2000);
  246.   }
  247.  
  248.   // consume parents of retardedly positioned videos
  249.   var parentStyle = getComputedStyle(np);
  250.   if (div.style.position.match('absolute|relative')
  251.   && parseFloat(parentStyle.paddingTop) + parseFloat(parentStyle.paddingBottom) < parseFloat(parentStyle.height)) {
  252.     if (np.children.length == 1 &&
  253.       floatPadding(np, parentStyle, 'Top') >= div.FYTE.originalHeight-1 ||
  254.       floatPadding(np, getComputedStyle(np, ':after'), 'Top') >= div.FYTE.originalHeight-1
  255.     ) {
  256.       n = np, np = n.parentElement;
  257.     }
  258.     div.style.cssText = div.style.cssText.replace(/\b(position|left|top|right|bottom):[^;]+/g, '');
  259.   }
  260.  
  261.   var wrapper = div.appendChild(document.createElement('div'));
  262.   wrapper.className = 'instant-youtube-wrapper';
  263.  
  264.   var img = wrapper.appendChild(document.createElement('img'));
  265.   if (!autoplay)
  266.     img.src = 'https://i.ytimg.com/vi/' + id + '/' + (cache.cover || 'maxresdefault.jpg');
  267.   img.className = 'instant-youtube-thumbnail';
  268.   img.style.cssText = important((cache.cover ? '' : 'transition:opacity 0.1s ease-out; opacity:0; ') +
  269.     'padding:0; margin:auto; position:absolute; left:0; right:0; top:0; bottom:0; max-width:none; max-height:none;');
  270.  
  271.   img.onload = function(e) {
  272.     if (img.naturalWidth <= 120 && !cache.cover)
  273.       return img.onerror(e);
  274.     var fitToWidth = true;
  275.     if (img.naturalHeight || cache.coverHeight) {
  276.       if (!cache.coverHeight) {
  277.         cache.coverWidth = img.naturalWidth;
  278.         cache.coverHeight = img.naturalHeight;
  279.         GM_setValue('cache-' + id, JSON.stringify(cache));
  280.       }
  281.       var ratio = cache.coverWidth / cache.coverHeight;
  282.       if (ratio > 4.1/3 && ratio < divSize.w/divSize.h) {
  283.         img.style.cssText += important('width:auto; height:100%;');
  284.         fitToWidth = false;
  285.       }
  286.     }
  287.     if (fitToWidth) {
  288.       img.style.cssText += important('width:100%; height:auto;');
  289.     }
  290.     if (cache.videoWidth)
  291.       fixThumbnailAR(div);
  292.     if (!autoplay)
  293.       img.style.opacity = 1;
  294.   };
  295.   img.onerror = function(e) {
  296.     if (img.src.indexOf('maxresdefault') > 0)
  297.       img.src = img.src.replace('maxresdefault','sddefault');
  298.     else if (img.src.indexOf('sddefault') > 0)
  299.       img.src = img.src.replace('sddefault','hqdefault');
  300.   };
  301.   if (cache.coverWidth)
  302.     img.onload();
  303.  
  304.   translateHTML(wrapper, 'beforeend', '\
  305.     <a class="instant-youtube-title" target="_blank" href="' + div.FYTE.srcWatchFixed + '">' +
  306.       (cache.title || cache.reason ? '<strong>' + (cache.title || cache.reason || '') + '</strong>' +
  307.                                      (cache.duration ? '<span>' + cache.duration + '</span>' : '') +
  308.                                      (cache.fps ? '<i>, ' + cache.fps + 'fps</i>' : '')
  309.                                    : '&nbsp;') + '</a>\
  310.     <svg class="instant-youtube-play-button">\
  311.       <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">\
  312.         <title tl>msgAltPlayerHint</title>\
  313.       </path>\
  314.       <polygon fill-rule="evenodd" clip-rule="evenodd" fill="#FFFFFF" points="33.3,41.4 33.3,17.75 56,29.6"></polygon>\
  315.     </svg>\
  316.     <span tl class="instant-youtube-alternative">' + (playDirectly ? 'Play with Youtube player' : 'Play directly (up to 720p)') + '</span>\
  317.     <div tl class="instant-youtube-options-button">Options</div>\
  318.   ');
  319.  
  320.   np.insertBefore(div, n);
  321.   n.remove();
  322.  
  323.   if (!cache.title && !cache.reason || autoplay && playDirectly)
  324.     fetchInfo();
  325.  
  326.   if (autoplay)
  327.     return startPlaying(div);
  328.  
  329.   div.addEventListener('click', clickHandler);
  330.   div.addEventListener('mousedown', clickHandler);
  331.   div.addEventListener('mouseenter', fetchInfo);
  332.  
  333.   function fetchInfo(e) {
  334.     div.removeEventListener('mouseenter', fetchInfo);
  335.     if (!div.FYTE.storyboard) {
  336.       GM_xmlhttpRequest({
  337.         method: 'GET',
  338.         url: 'https://www.youtube.com/get_video_info?video_id=' + id +
  339.         '&hl=en_US&html5=1&el=embedded&eurl=' + encodeURIComponent(location.href),
  340.         context: div,
  341.         onload: parseVideoInfo
  342.       });
  343.     }
  344.   }
  345. }
  346.  
  347. function adjustNodesIfNeeded(e) {
  348.   if (!fytedom[0])
  349.     return;
  350.   if (adjustNodesIfNeeded.scheduled)
  351.     clearTimeout(adjustNodesIfNeeded.scheduled);
  352.   adjustNodesIfNeeded.scheduled = setTimeout(function() {
  353.     adjustNodes(e);
  354.     adjustNodesIfNeeded.scheduled = 0;
  355.   }, 16);
  356. }
  357.  
  358. function adjustNodes(e, clickedContainer) {
  359.   var force = !!clickedContainer;
  360.   var nearest = force ? clickedContainer : null;
  361.  
  362.   var vids = $$('.instant-youtube-container:not([pinned]):not([stub])');
  363.  
  364.   if (!nearest && e.type != 'DOMContentLoaded') {
  365.     var minDistance = window.innerHeight*3/4 |0;
  366.     var nearTargetY = window.innerHeight/2;
  367.     vids.forEach(function(n) {
  368.       var bounds = n.getBoundingClientRect();
  369.       var distance = Math.abs((bounds.bottom + bounds.top)/2 - nearTargetY);
  370.       if (distance < minDistance) {
  371.         minDistance = distance;
  372.         nearest = n;
  373.       }
  374.     });
  375.   }
  376.  
  377.   if (nearest) {
  378.     var bounds = nearest.getBoundingClientRect();
  379.     var nearestCenterYpct = (bounds.top + bounds.bottom)/2 / window.innerHeight;
  380.   }
  381.  
  382.   var resized = false;
  383.  
  384.   vids.forEach(function(n) {
  385.     var size = calcContainerSize(n);
  386.     var w = size.w, h = size.h;
  387.  
  388.     // prevent parent clipping
  389.     for (var e=n.parentElement, style; e; e=e.parentElement)
  390.       if (e.style.overflow != 'visible' && (style=getComputedStyle(e)))
  391.         if ((style.overflow+style.overflowX+style.overflowY).match(/hidden|scroll/))
  392.           if (n.offsetTop < e.clientHeight / 2 && n.offsetTop + n.clientHeight > e.clientHeight)
  393.             e.style.cssText = e.style.cssText.replace(/\boverflow(-[xy])?:[^;]+/g, '') +
  394.               important('overflow:visible;overflow-x:visible;overflow-y:visible;');
  395.  
  396.     if (force && Math.abs(w - parseFloat(n.style.maxWidth)) <= 2)
  397.       return;
  398.  
  399.     if (n.style.maxWidth != w + 'px') n.style.maxWidth = w + 'px';
  400.     if (n.style.height != h + 'px')   n.style.height = h + 'px';
  401.     if (parseFloat(n.style.minWidth) > w) n.style.minWidth = n.style.maxWidth;
  402.     if (parseFloat(n.style.minHeight) > h) n.style.minHeight = n.style.height;
  403.  
  404.     fixThumbnailAR(n);
  405.     resized = true;
  406.   });
  407.  
  408.   if (resized && nearest)
  409.     setTimeout(function() {
  410.       var bounds = nearest.getBoundingClientRect();
  411.       var h = bounds.bottom - bounds.top;
  412.       var projectedCenterY = nearestCenterYpct * window.innerHeight;
  413.       var projectedTop = projectedCenterY - h/2;
  414.       var safeTop = Math.min(Math.max(0, projectedTop), window.innerHeight - h);
  415.       window.scrollBy(0, bounds.top - safeTop);
  416.     }, 16);
  417. }
  418.  
  419. function calcContainerSize(div, origNode) {
  420.   origNode = origNode || div;
  421.   var w, h;
  422.   var np = origNode.parentElement;
  423.   var style = getComputedStyle(np);
  424.   var parentWidth = parseFloat(style.width) - floatPadding(np, style, 'Left') - floatPadding(np, style, 'Right');
  425.   if (+style.columnCount > 1)
  426.     parentWidth = (parentWidth + parseFloat(style.columnGap)) / style.columnCount - parseFloat(style.columnGap);
  427.   switch (resizeMode) {
  428.     case 'Original':
  429.       if (div.FYTE.originalWidth == 320 && div.FYTE.originalHeight == 200) {
  430.         w = parentWidth;
  431.         h = parentWidth / 16 * 9;
  432.       } else {
  433.         w = div.FYTE.originalWidth;
  434.         h = div.FYTE.originalHeight;
  435.       }
  436.       break;
  437.     case 'Custom':
  438.       w = resizeWidth;
  439.       h = resizeHeight;
  440.       break;
  441.     case '1080p':
  442.     case '720p':
  443.     case '480p':
  444.     case '360p':
  445.       h = parseInt(resizeMode);
  446.       w = h / 9 * 16;
  447.       break;
  448.     default: // fit-to-width mode
  449.       var n = origNode;
  450.       do {
  451.         n = n.parentElement;
  452.         // find parent node with nonzero width (i.e. independent of our video element)
  453.       } while (n && !(w = n.clientWidth));
  454.       if (w)
  455.         h = w / 16 * 9;
  456.       else {
  457.         w = origNode.clientWidth;
  458.         h = origNode.clientHeight;
  459.       }
  460.   }
  461.   if (parentWidth > 0 && parentWidth < w) {
  462.     h = parentWidth / w * h;
  463.     w = parentWidth;
  464.   }
  465.   if (resizeMode == 'Fit to width' && h < div.FYTE.originalHeight*0.9)
  466.     h = Math.min(div.FYTE.originalHeight, w / div.FYTE.originalWidth * div.FYTE.originalHeight);
  467.  
  468.   return {w: window.chrome ? w : Math.round(w), h:h};
  469. }
  470.  
  471. function parseVideoInfo(response) {
  472.   var div = response.context;
  473.   var txt = response.responseText;
  474.   var info = tryCatch(function() {
  475.     var json = txt.replace(/(\w+)=?(.*?)(&|$)/g, '"$1":"$2",').replace(/^(.+?),?$/, '{$1}');
  476.     return tryJSONparse(json);
  477.   }) || {};
  478.   var cache = div.FYTE.cache;
  479.   var shouldUpdateCache = false;
  480.   var videoSources = [];
  481.  
  482.   // parse width & height to adjust the thumbnail
  483.   var m = decodeURIComponent(info.adaptive_fmts || '').match(/size=(\d+)x(\d+)\b/) ||
  484.           decodeURIComponent(txt).match(/\/(\d+)x(\d+)\//);
  485.  
  486.   if (m && (cache.videoWidth != (m[1]|0) || cache.videoHeight != (m[2]|0))) {
  487.     fixThumbnailAR(div, m[1]|0, m[2]|0);
  488.     cache.videoWidth = m[1]|0;
  489.     cache.videoHeight = m[2]|0;
  490.     shouldUpdateCache = true;
  491.   }
  492.  
  493.   // parse video sources
  494.   if (info.url_encoded_fmt_stream_map && info.fmt_list) {
  495.     var streams = {};
  496.     decodeURIComponent(info.url_encoded_fmt_stream_map).split(',').forEach(function(stream) {
  497.       var params = {};
  498.       stream.split('&').forEach(function(kv) {
  499.         params[kv.split('=')[0]] = decodeURIComponent(kv.split('=')[1]);
  500.       });
  501.       streams[params.itag] = params;
  502.     });
  503.     decodeURIComponent(info.fmt_list).split(',').forEach(function(fmt) {
  504.       var itag = fmt.split('/')[0];
  505.       var dimensions = fmt.split('/')[1];
  506.       var stream = streams[itag];
  507.       if (stream) {
  508.         videoSources.push({
  509.           src: stream.url + (stream.s ? '&signature=' + stream.s : ''),
  510.           title: stream.quality + ', ' + dimensions + ', ' + stream.type
  511.         });
  512.       }
  513.     });
  514.   } else {
  515.     var rx = /url=([^=]+?mime%3Dvideo%252F(?:mp4|webm)[^=]+?)(?:,quality|,itag|.u0026)/g;
  516.     var text = decodeURIComponent(txt).split('url_encoded_fmt_stream_map')[1];
  517.     while (m = rx.exec(text)) {
  518.       videoSources.push({
  519.         src: decodeURIComponent(decodeURIComponent(m[1]))
  520.       });
  521.     }
  522.   }
  523.  
  524.   var fps = {};
  525.   (decodeURIComponent(info.adaptive_fmts || ''))
  526.     .split(',')
  527.     .filter(function(s) { return /(^|&)type=video/.test(s) && /\b(?:fps=)([\d.]+)/.test(s) })
  528.     .forEach(function(s) { fps[s.match(/\b(?:fps=)([\d.]+)/)[1]] = true });
  529.   fps = Object.keys(fps).join('/');
  530.   if (fps && cache.fps != fps) {
  531.     cache.fps = fps;
  532.     shouldUpdateCache = true;
  533.   }
  534.  
  535.   var duration = div.FYTE.duration = info.length_seconds|0 || '';
  536.   if (duration) {
  537.     var d = new Date(null);
  538.     d.setSeconds(duration);
  539.     duration = d.toISOString().replace(/^.+?T[0:]{0,4}(.+?)\..+$/, '$1');
  540.     if (cache.duration != duration) {
  541.       cache.duration = duration;
  542.       shouldUpdateCache = true;
  543.     }
  544.   }
  545.   if (duration || fps)
  546.     duration = '<span>' + duration + '</span>' +
  547.       (fps ? '<i>, ' + fps + 'fps</i>' : '');
  548.  
  549.   var title = decodeURIComponent(info.title || info.reason || '').replace(/\+/g, ' ');
  550.   if (title) {
  551.     $(div, '.instant-youtube-title').innerHTML = (title ? '<strong>' + title + '</strong>' : '') + duration;
  552.     if (cache.title != title) {
  553.       cache.title = title;
  554.       shouldUpdateCache = true;
  555.     }
  556.   }
  557.   if (pinnable != 'off' && info.title)
  558.     makeDraggable(div);
  559.  
  560.   if (info.reason) {
  561.     div.setAttribute('disabled', '');
  562.     if (cache.reason != info.reason) {
  563.       cache.reason = info.reason;
  564.       shouldUpdateCache = true;
  565.     }
  566.   }
  567.  
  568.   if (videoSources.length)
  569.     div.FYTE.videoSources = videoSources;
  570.  
  571.   if (info.storyboard_spec && div.FYTE.state != 'scheduled play') {
  572.     m = decodeURIComponent(decodeURIComponent(info.storyboard_spec)).split('|');
  573.     div.FYTE.storyboard = tryJSONparse(
  574.       m[m.length-1].replace(
  575.         /^(\d+)#(\d+)#(\d+)#(\d+)#(\d+)#.+$/,
  576.         '{"w":$1, "h":$2, "len":$3, "rows":$4, "cols":$5}'
  577.       ));
  578.     if (div.FYTE.storyboard.w * div.FYTE.storyboard.h > 2000) {
  579.       div.FYTE.storyboard.url = m[0].replace('$L/$N.jpg', (m.length-2) + '/M0.jpg?sigh=' + m[m.length-1].replace(/^.+?#([^#]+)$/, '$1'));
  580.       $(div, '.instant-youtube-options-button').insertAdjacentHTML('beforebegin',
  581.         '<div class="instant-youtube-storyboard"' + (showStoryboard ? '' : ' disabled') + '>' +
  582.           important('<div style="width:' + (div.FYTE.storyboard.w-1) + 'px; height:' + div.FYTE.storyboard.h + 'px;') +
  583.           '">&nbsp;</div>' +
  584.         '</div>');
  585.       if (showStoryboard)
  586.         updateHoverHandler(div);
  587.     }
  588.   }
  589.  
  590.   injectStylesIfNeeded();
  591.  
  592.   if (div.FYTE.state == 'scheduled play')
  593.     setTimeout(function() { startPlayingDirectly(div) }, 0);
  594.  
  595.   div.FYTE.state = '';
  596.  
  597.   var cover = decodeURIComponent(info.iurlmaxres || info.iurlhq || info.iurl || '').match(/[^\/]+$/);
  598.   if (cover && cache.cover != cover[0]) {
  599.     cache.cover = cover[0];
  600.     shouldUpdateCache = true;
  601.   }
  602.   if (shouldUpdateCache)
  603.     GM_setValue('cache-' + info.video_id, JSON.stringify(cache));
  604. }
  605.  
  606. function fixThumbnailAR(div, w, h) {
  607.   var img = $(div, 'img');
  608.   if (!img)
  609.     return;
  610.   var thw = img.naturalWidth, thh = img.naturalHeight;
  611.   if (w && h) { // means thumbnail is still loading
  612.     div.FYTE.cache.videoWidth = w;
  613.     div.FYTE.cache.videoHeight = h;
  614.   } else {
  615.     w = div.FYTE.cache.videoWidth;
  616.     h = div.FYTE.cache.videoHeight;
  617.     if (!w || !h)
  618.       return;
  619.   }
  620.   var divw = div.clientWidth, divh = div.clientHeight;
  621.   // if both video and thumbnail are 4:3, fit the image to height
  622.   //console.log(div, divw, divh, thw, thh, w, h, h/w*divw / divh - 1, thh/thw*divw / divh - 1);
  623.   if (Math.abs(h/w*divw / divh - 1) > 0.05 && Math.abs(thh/thw*divw / divh - 1) > 0.05) {
  624.     img.style.maxHeight = img.clientHeight + 'px';
  625.     if (!div.FYTE.cache.videoWidth) // skip animation if thumbnail is already loaded
  626.       img.style.transition = 'height 1s ease, margin-top 1s ease';
  627.     setTimeout(function() {
  628.       img.style.maxHeight = 'none';
  629.       img.style.cssText += important(h/w >= divh/divw ? 'width:auto; height:100%;' : 'width:100%; height:auto;');
  630.       setTimeout(function() {
  631.         img.style.transition = '';
  632.       }, 1000);
  633.     }, 0);
  634.   }
  635. }
  636.  
  637. function updateHoverHandler(div) {
  638.   var sb = $(div, '.instant-youtube-storyboard');
  639.   if (!showStoryboard) {
  640.     if (!sb.getAttribute('disabled'))
  641.       sb.setAttribute('disabled', '');
  642.     return;
  643.   }
  644.   if (sb.hasAttribute('disabled'))
  645.     sb.removeAttribute('disabled');
  646.  
  647.   sb.addEventListener('click', storyboardClickHandler);
  648.  
  649.   var oldIndex = null;
  650.   var style = sb.firstElementChild.style;
  651.   sb.addEventListener('mousemove', storyboardHoverHandler);
  652.   sb.addEventListener('mouseout', storyboardHoverHandler);
  653.  
  654.   div.addEventListener('mouseover', storyboardPreloader);
  655.   div.addEventListener('mouseout', storyboardPreloader);
  656.  
  657.   var spinner = document.createElement('span');
  658.   spinner.className = 'instant-youtube-loading-spinner';
  659.  
  660.   function storyboardClickHandler(e) {
  661.     sb.removeEventListener('click', storyboardClickHandler);
  662.     var offsetX = e.offsetX || e.clientX - this.getBoundingClientRect().left;
  663.     div.FYTE.startAt = offsetX / this.clientWidth * div.FYTE.duration |0;
  664.     div.FYTE.srcEmbedFixed = setUrlParams(div.FYTE.srcEmbedFixed, {start: div.FYTE.startAt});
  665.     startPlaying(div, {alternateMode: e.shiftKey});
  666.   }
  667.  
  668.   function storyboardPreloader(e) {
  669.     if (e.type == 'mouseout') {
  670.       imageLoader.onload = null; imageLoader.src = '';
  671.       spinner.remove();
  672.       return;
  673.     }
  674.     if (!div.FYTE.storyboard || div.FYTE.storyboard.preloaded)
  675.       return;
  676.     var lastpart = (div.FYTE.storyboard.len-1)/(div.FYTE.storyboard.rows * div.FYTE.storyboard.cols) |0;
  677.     if (lastpart <= 0)
  678.       return;
  679.     var part = 0;
  680.     imageLoader.src = setStoryboardUrl(part++);
  681.     imageLoader.onload = function() {
  682.       if (part > lastpart) {
  683.         div.FYTE.storyboard.preloaded = true;
  684.         div.removeEventListener('mouseover', storyboardPreloader);
  685.         div.removeEventListener('mouseout', storyboardPreloader);
  686.         imageLoader.onload = null;
  687.         imageLoader.src = '';
  688.         spinner.remove();
  689.         return;
  690.       }
  691.       imageLoader.src = setStoryboardUrl(part++);
  692.     };
  693.   }
  694.  
  695.   function setStoryboardUrl(part) {
  696.     return div.FYTE.storyboard.url.replace(/M\d+\.jpg\?/, 'M' + part + '.jpg?');
  697.   }
  698.  
  699.   function storyboardHoverHandler(e) {
  700.     if (!showStoryboard || !div.FYTE.storyboard)
  701.       return;
  702.     if (e.type == 'mouseout')
  703.       return imageLoader2.onload && imageLoader2.onload();
  704.     var w = div.FYTE.storyboard.w;
  705.     var h = div.FYTE.storyboard.h;
  706.     var cols = div.FYTE.storyboard.cols;
  707.     var rows = div.FYTE.storyboard.rows;
  708.     var len = div.FYTE.storyboard.len;
  709.     var partlen = rows * cols;
  710.  
  711.     var offsetX = e.offsetX || e.clientX - this.getBoundingClientRect().left;
  712.     var left = Math.min(this.clientWidth - w, Math.max(0, offsetX - w)) |0;
  713.     if (!style.left || parseInt(style.left) != left) {
  714.       style.left = left + 'px';
  715.       if (spinner.parentElement)
  716.         spinner.style.cssText = important('left:' + (left + w/2 - 10) + 'px; right:auto;');
  717.     }
  718.  
  719.     var index = Math.min(offsetX / this.clientWidth * (len+1) |0, len - 1);
  720.     if (index == oldIndex)
  721.       return;
  722.  
  723.     var part = index/partlen|0;
  724.     if (!oldIndex || part != (oldIndex/partlen|0)) {
  725.       style.cssText = style.cssText.replace(/$|background-image[^;]+;/,
  726.                           'background-image: url(' + setStoryboardUrl(part) + ')!important;');
  727.       if (!div.FYTE.storyboard.preloaded) {
  728.         if (spinner.timer)
  729.           clearTimeout(spinner.timer);
  730.         spinner.timer = setTimeout(function() {
  731.           spinner.timer = 0;
  732.           if (!imageLoader2.src)
  733.             return;
  734.           this.appendChild(spinner);
  735.           spinner.style.cssText = important('left:' + (left + w/2 - 10) + 'px; right:auto;');
  736.         }.bind(this), 50);
  737.         imageLoader2.onload = function() {
  738.           clearTimeout(spinner.timer);
  739.           spinner.remove();
  740.           spinner.timer = 0;
  741.           imageLoader2.onload = null;
  742.           imageLoader2.src = '';
  743.         };
  744.         imageLoader2.src = setStoryboardUrl(part);
  745.       }
  746.     }
  747.  
  748.     oldIndex = index;
  749.     index = index % partlen;
  750.     style.backgroundPosition = '-' + (index % cols) * w + 'px -' + (index / cols |0) * h + 'px';
  751.   }
  752. }
  753.  
  754. function clickHandler(e) {
  755.   if (e.target.closest('a')
  756.   ||  e.type == 'mousedown' && e.button != 1
  757.   ||  e.type == 'click' && e.target.matches('.instant-youtube-options, .instant-youtube-options *'))
  758.     return;
  759.   if (e.type == 'click' && e.target.matches('.instant-youtube-options-button')) {
  760.     showOptions(e);
  761.     e.preventDefault();
  762.     e.stopPropagation();
  763.     return;
  764.   }
  765.  
  766.   e.preventDefault();
  767.   e.stopPropagation();
  768.   e.stopImmediatePropagation();
  769.  
  770.   startPlaying(e.target.closest('.instant-youtube-container'), {
  771.     alternateMode: e.shiftKey || e.target.matches('.instant-youtube-alternative'),
  772.     fullscreen: e.button == 1,
  773.   });
  774. }
  775.  
  776. function startPlaying(div, params) {
  777.   div.removeEventListener('click', clickHandler);
  778.   div.removeEventListener('mousedown', clickHandler);
  779.  
  780.   $$remove(div, '.instant-youtube-alternative, .instant-youtube-storyboard, .instant-youtube-options-button, .instant-youtube-options');
  781.   $(div, 'svg').outerHTML = '<span class="instant-youtube-loading-spinner"></span>';
  782.  
  783.   if (pinnable != 'off') {
  784.     makePinnable(div);
  785.     if (params && params.pin)
  786.       $(div, '[pin="' + params.pin + '"]').click();
  787.   }
  788.  
  789.   if (window != window.top)
  790.     window.parent.postMessage('iframe-allowfs', '*');
  791.  
  792.   if ((!!playDirectly + !!(params && params.alternateMode) == 1)
  793.   && (div.FYTE.videoSources || div.FYTE.state == 'querying')) {
  794.     if (div.FYTE.videoSources)
  795.       startPlayingDirectly(div, params);
  796.     else {
  797.       // playback will start in parseVideoInfo
  798.       div.FYTE.state = 'scheduled play';
  799.       // fallback to iframe in 5s
  800.       setTimeout(function() {
  801.         if (div.FYTE.state) {
  802.           div.FYTE.state = '';
  803.           switchToIFrame.call(div, params);
  804.         }
  805.       }, 5000);
  806.     }
  807.   }
  808.   else
  809.     switchToIFrame.call(div, params);
  810. }
  811.  
  812. function startPlayingDirectly(div, params) {
  813.   var video = document.createElement('video');
  814.   video.controls = true;
  815.   video.autoplay = true;
  816.   video.style.cssText = important('position:absolute; left:0; top:0; right:0; bottom:0; padding:0; margin:auto; opacity:0; width:100%; height:100%;');
  817.   video.className = 'instant-youtube-embed';
  818.   video.volume = GM_getValue('volume', 0.5);
  819.  
  820.   div.FYTE.videoSources.forEach(function(src) {
  821.     var srcdom = video.appendChild(document.createElement('source'));
  822.     Object.keys(src).forEach(function(k) { srcdom[k] = src[k] });
  823.     srcdom.onerror = switchToIFrame.bind(div, params);
  824.   });
  825.  
  826.   overrideCSS($(div, 'img'), {transition: 'opacity 1s', opacity: '0'});
  827.  
  828.   if (params && params.fullscreen) {
  829.     div.firstElementChild.appendChild(video);
  830.     div.setAttribute('playing', '');
  831.     video.style.opacity = 1;
  832.     goFullscreen(video);
  833.   }
  834.  
  835.   if (window.chrome) {
  836.     video.addEventListener('click', function(e) {
  837.       this.paused ? this.play() : this.pause();
  838.     });
  839.   }
  840.  
  841.   var title = $(div, '.instant-youtube-title');
  842.   if (title) {
  843.     video.onpause = function() { title.removeAttribute('hidden') };
  844.     video.onplay = function() { title.setAttribute('hidden', true) };
  845.   }
  846.  
  847.   var switchTimer = setTimeout(switchToIFrame.bind(div, params), 5000);
  848.  
  849.   video.onloadedmetadata = div.FYTE.startAt && function(e) {
  850.     clearTimeout(switchTimer);
  851.     video.currentTime = div.FYTE.startAt;
  852.   };
  853.  
  854.   video.onloadeddata = function(e) {
  855.     clearTimeout(switchTimer);
  856.     pauseOtherVideos(video);
  857.     video.interval = setInterval(function() {
  858.       if (video.volume != GM_getValue('volume', 0.5))
  859.           GM_setValue('volume', video.volume);
  860.     }, 1000);
  861.     if (params && params.fullscreen)
  862.       return;
  863.     div.setAttribute('playing', '');
  864.     div.firstElementChild.appendChild(video);
  865.     video.style.opacity = 1;
  866.   };
  867. }
  868.  
  869. function switchToIFrame(params, e) {
  870.   if (this.querySelector('iframe'))
  871.     return;
  872.   var div = this;
  873.   var wrapper = div.firstElementChild;
  874.   var fullscreen = params && params.fullscreen && !e;
  875.   if (e instanceof Event) {
  876.     console.log('[FYTE] Direct linking canceled on %s, switching to IFRAME player', div.FYTE.srcEmbed);
  877.     var video = e.target ? e.target.closest('video') : e.path && e.path[e.path.length-1];
  878.     while (video.lastElementChild)
  879.       video.lastElementChild.remove();
  880.     goFullscreen(video, false);
  881.     video.remove();
  882.   }
  883.  
  884.   var url = setUrlParams(div.FYTE.srcEmbedFixed, {
  885.     html5: 1,
  886.     autoplay: 1,
  887.     autohide: 2,
  888.     border: 0,
  889.     controls: 1,
  890.     fs: 1,
  891.     showinfo: 1,
  892.     ssl: 1,
  893.     theme: 'dark',
  894.     enablejsapi: 1,
  895.     FYTEfullscreen: fullscreen|0,
  896.   });
  897.  
  898.   ($(div, '[pin]') || wrapper).insertAdjacentHTML(pinnable != 'off' ? 'beforebegin' : 'beforeend',
  899.     '<iframe class="instant-youtube-embed" allowtransparency="true" src="' + url +
  900.     '" style="' + important('position:absolute; left:0; top:0; right:0; padding:0; margin:auto; opacity:0;') +
  901.     '" frameborder="0" allowfullscreen width="100%" height="100%"></iframe>');
  902.  
  903.   div.setAttribute('iframe', '');
  904.   div.setAttribute('playing', '');
  905.  
  906.   var iframe = $(div, 'iframe');
  907.   if (fullscreen) {
  908.     goFullscreen(iframe);
  909.     iframe.style.opacity = 1;
  910.   }
  911.  
  912.   iframe.onload = function(e) {
  913.     window.addEventListener('message', YTlistener);
  914.     iframe.contentWindow.postMessage('{"event":"listening"}', '*');
  915.   };
  916.   setTimeout(function() {
  917.     iframe.style.opacity = 1;
  918.     window.removeEventListener('message', YTlistener);
  919.   }, 5000);
  920.  
  921.   function YTlistener(e) {
  922.     if (e.source != iframe.contentWindow || !e.data)
  923.       return;
  924.     var data = tryJSONparse(e.data);
  925.     if (!data.info || data.info.playerState != 1)
  926.       return;
  927.     window.removeEventListener('message', YTlistener);
  928.     pauseOtherVideos(iframe);
  929.     iframe.style.opacity = 1;
  930.     $$remove(div, 'span, a');
  931.     $(div, 'img').style.display = 'none';
  932.   }
  933. }
  934.  
  935. function setUrlParams(url, params) {
  936.   var names = Object.keys(params);
  937.   var parts = url.split('?', 2)
  938.   var query = (parts[1] || '').replace(new RegExp('(?:[?&]|^)(?:' + names.join('|') + ')(?:=[^?&]*)?', 'gi'), '');
  939.   return parts[0] + '?' + query + (query ? '&' : '?') +
  940.     names.map(function(n) { return n + '=' + params[n] }).join('&');
  941. }
  942.  
  943. function pauseOtherVideos(activePlayer) {
  944.   $$(activePlayer.ownerDocument, '.instant-youtube-embed').forEach(function(v) {
  945.     if (v == activePlayer)
  946.       return;
  947.     switch (v.localName) {
  948.       case 'video':
  949.         if (!v.paused)
  950.           v.pause();
  951.         break;
  952.       case 'iframe':
  953.         try { v.contentWindow.postMessage('{"event":"command", "func":"pauseVideo", "args":""}', '*') } catch(e) {}
  954.         break;
  955.     }
  956.   });
  957. }
  958.  
  959. function goFullscreen(el, enable) {
  960.   if (enable !== false)
  961.     el.webkitRequestFullScreen && el.webkitRequestFullScreen()
  962.     || el.mozRequestFullScreen && el.mozRequestFullScreen()
  963.     || el.requestFullScreen && el.requestFullScreen();
  964.   else
  965.     document.webkitCancelFullScreen && document.webkitCancelFullScreen()
  966.     || document.mozCancelFullScreen && document.mozCancelFullScreen()
  967.     || document.cancelFullScreen && document.cancelFullScreen();
  968. }
  969.  
  970. function makePinnable(div) {
  971.   div.firstElementChild.insertAdjacentHTML('beforeend',
  972.     '<div size-gripper></div>' +
  973.     '<div pin="top-left"></div><div pin="top-right"></div><div pin="bottom-right"></div><div pin="bottom-left"></div>');
  974.  
  975.   $$(div, '[pin]').forEach(function(pin) {
  976.     if (pinnable == 'hide')
  977.       pin.setAttribute('transparent', '');
  978.     pin.onclick = pinClicked;
  979.   });
  980.   $(div, '[size-gripper]').addEventListener('mousedown', startResize, true);
  981.   $(div, '[size-gripper]').addEventListener('mousedown', function(e) { return false }, false);
  982.  
  983.   function pinClicked(e) {
  984.     var pin = this;
  985.     var pinIt = !div.hasAttribute('pinned') || !pin.hasAttribute('active');
  986.     var corner = pin.getAttribute('pin');
  987.     var video = $(div, 'video');
  988.     if (pinIt) {
  989.       $$(div, '[pin][active]').forEach(function(p) { p.removeAttribute('active') });
  990.       pin.setAttribute('active', '');
  991.       if (!div.FYTE.unpinnedStyle) {
  992.         div.FYTE.unpinnedStyle = div.style.cssText;
  993.         var stub = div.cloneNode();
  994.         var img = $(div, 'img').cloneNode();
  995.         img.style.opacity = 1;
  996.         img.style.display = 'block';
  997.         img.title = '';
  998.         stub.appendChild(img);
  999.         stub.onclick = function(e) { $(div, '[pin][active]').onclick(e) };
  1000.         stub.style.cssText += 'opacity:0.3!important;';
  1001.         stub.setAttribute('stub', '');
  1002.         div.FYTE.stub = stub;
  1003.         div.parentNode.insertBefore(stub, div);
  1004.       }
  1005.       var size = constrainPinnedSize(div, localStorage['width#' + location.hostname] || pinnedWidth);
  1006.       div.style.cssText = important(
  1007.         'position: fixed;' +
  1008.         'contain: inherit;' +
  1009.         'width: ' + size.w + 'px;' +
  1010.         'z-index: 999999999;' +
  1011.         'height:' + size.h + 'px;' +
  1012.         'top:' + (corner.indexOf('top') >= 0 ? '0' : 'auto') + ';' +
  1013.         'bottom:' + (corner.indexOf('bottom') >= 0 ? '0' : 'auto') + ';' +
  1014.         'left:' + (corner.indexOf('left') >= 0 ? '0' : 'auto') + ';' +
  1015.         'right:' + (corner.indexOf('right') >= 0 ? '0' : 'auto') + ';'
  1016.       );
  1017.       adjustPinnedOffset(div, div, corner);
  1018.       div.setAttribute('pinned', corner);
  1019.       if (video && document.body)
  1020.         document.body.appendChild(div);
  1021.     }
  1022.     else { // unpin
  1023.       pin.removeAttribute('active');
  1024.       div.removeAttribute('pinned');
  1025.       div.style.cssText = div.FYTE.unpinnedStyle;
  1026.       div.FYTE.unpinnedStyle = '';
  1027.       if (div.FYTE.stub) {
  1028.         if (video && document.body)
  1029.           div.FYTE.stub.parentNode.replaceChild(div, div.FYTE.stub);
  1030.         div.FYTE.stub.remove();
  1031.         div.FYTE.stub = null;
  1032.       }
  1033.     }
  1034.     if (video && video.paused)
  1035.       video.play();
  1036.   }
  1037.  
  1038.   function startResize(e) {
  1039.     var siteSaved = ('width#' + location.hostname) in localStorage;
  1040.     var saveAs = siteSaved ? 'site' : 'global';
  1041.     var oldSizeCSS = {w: div.style.width, h: div.style.height};
  1042.     var oldDraggable = div.draggable;
  1043.     div.draggable = false;
  1044.  
  1045.     var gripper = this;
  1046.     gripper.removeAttribute('tried-exceeding');
  1047.     gripper.innerHTML = '<div>' +
  1048.       '<div save-as="' + saveAs + '"><b>S</b> = Site mode: <span>' + getSiteOnlyText() + '</span></div>' +
  1049.       (!siteSaved ? '' : '<div><b>R</b> = Reset to global size</div>') +
  1050.       '<div><b>Esc</b> = Cancel</div>' +
  1051.       '</div>';
  1052.  
  1053.     document.addEventListener('mousemove', resize);
  1054.     document.addEventListener('mouseup', resizeDone);
  1055.     document.addEventListener('keydown', resizeKeyDown);
  1056.     e.stopImmediatePropagation();
  1057.     return false;
  1058.  
  1059.     function getSiteOnlyText(state) {
  1060.       return saveAs == 'site' ? 'only ' + location.hostname : 'global';
  1061.     }
  1062.  
  1063.     function resize(e) {
  1064.       var deltaX = e.movementX || e.webkitMovementX || e.mozMovementX || 0;
  1065.       if (/right/.test(div.getAttribute('pinned')))
  1066.         deltaX = -deltaX;
  1067.       var newSize = constrainPinnedSize(div, div.clientWidth + deltaX);
  1068.       if (newSize.w != div.clientWidth) {
  1069.         div.style.width = newSize.w + 'px';
  1070.         div.style.height = newSize.h + 'px';
  1071.         gripper.removeAttribute('tried-exceeding');
  1072.       } else if (newSize.triedExceeding) {
  1073.         gripper.setAttribute('tried-exceeding', '');
  1074.       }
  1075.       window.getSelection().removeAllRanges();
  1076.       return false;
  1077.     }
  1078.  
  1079.     function resizeDone(e) {
  1080.       div.draggable = oldDraggable;
  1081.       gripper.removeAttribute('tried-exceeding');
  1082.       gripper.innerHTML = '';
  1083.       document.removeEventListener('mousemove', resize);
  1084.       document.removeEventListener('mouseup', resizeDone);
  1085.       document.removeEventListener('keydown', resizeKeyDown);
  1086.       switch (saveAs) {
  1087.         case 'site':
  1088.           localStorage['width#' + location.hostname] = div.clientWidth;
  1089.           break;
  1090.         case 'global':
  1091.           pinnedWidth = div.clientWidth;
  1092.           GM_setValue('pinnedWidth', pinnedWidth);
  1093.           // fallthrough to remove the locally saved value
  1094.         case 'reset':
  1095.           localStorage.removeItem('width#' + location.hostname);
  1096.           break;
  1097.         case '':
  1098.           return false;
  1099.       }
  1100.       gripper.setAttribute('saveAs', saveAs);
  1101.       setTimeout(function() { gripper.removeAttribute('saveAs'); }, 250);
  1102.       return false;
  1103.     }
  1104.  
  1105.     function resizeKeyDown(e) {
  1106.       switch (e.keyCode) {
  1107.         case 27: // Esc
  1108.           saveAs = 'cancel';
  1109.           div.style.width = oldSizeCSS.w;
  1110.           div.style.height = oldSizeCSS.h;
  1111.           break;
  1112.         case 83: // S
  1113.           saveAs = saveAs == 'site' ? 'global' : 'site';
  1114.           $(gripper, '[save-as]').setAttribute('save-as', saveAs);
  1115.           $(gripper, '[save-as] span').textContent = getSiteOnlyText();
  1116.           return false;
  1117.         case 82: // R
  1118.           if (!siteSaved)
  1119.             return;
  1120.           saveAs = 'reset';
  1121.           var size = constrainPinnedSize(div, pinnedWidth);
  1122.           div.style.width = size.w;
  1123.           div.style.height = size.h;
  1124.           break;
  1125.         default:
  1126.           return;
  1127.       }
  1128.       document.dispatchEvent(new MouseEvent('mouseup'));
  1129.       return false;
  1130.     }
  1131.   }
  1132. }
  1133.  
  1134. function makeDraggable(div) {
  1135.   div.draggable = true;
  1136.   div.addEventListener('dragstart', function(e) {
  1137.     var offsetY = e.offsetY || e.clientY - div.getBoundingClientRect().top;
  1138.     if (offsetY > div.clientHeight - 30)
  1139.       return e.preventDefault();
  1140.  
  1141.     e.dataTransfer.setData('text/plain', '');
  1142.  
  1143.     var dropZone = document.createElement('div');
  1144.     var dropZoneHeight = 400 / div.FYTE.cache.videoWidth * div.FYTE.cache.videoHeight;
  1145.     dropZone.className = 'instant-youtube-dragndrop-placeholder';
  1146.  
  1147.     document.body.addEventListener('dragenter', dragHandler);
  1148.     document.body.addEventListener('dragover', dragHandler);
  1149.     document.body.addEventListener('dragend', dragHandler);
  1150.     document.body.addEventListener('drop', dragHandler);
  1151.     function dragHandler(e) {
  1152.       e.stopImmediatePropagation();
  1153.       e.stopPropagation();
  1154.       e.preventDefault();
  1155.       switch (e.type) {
  1156.         case 'dragover':
  1157.           var playing = div.hasAttribute('playing');
  1158.           var stub = e.target.closest('.instant-youtube-container[stub]') == div.FYTE.stub && div.FYTE.stub;
  1159.           var gizmo = playing && !stub
  1160.                       ? {left:0, top:0, right:innerWidth, bottom:innerHeight}
  1161.                       : (stub || div).getBoundingClientRect();
  1162.           var x = e.clientX, y = e.clientY;
  1163.           var cx = (gizmo.left + gizmo.right) / 2;
  1164.           var cy = (gizmo.top + gizmo.bottom) / 2;
  1165.           var stay = !!stub || y >= cy-200 && y <= cy+200 && x >= cx-200 && x <= cx+200;
  1166.           overrideCSS(dropZone, {
  1167.             top: y < cy || stay ? '0' : 'auto',
  1168.             bottom: y > cy || stay ? '0' : 'auto',
  1169.             left: x < cx || stay ? '0' : 'auto',
  1170.             right: x > cx || stay ? '0' : 'auto',
  1171.             width: playing && stay && stub ? stub.clientWidth+'px' : '400px',
  1172.             height: playing && stay && stub ? stub.clientHeight+'px' : dropZoneHeight + 'px',
  1173.             margin: playing && stay ? 'auto' : '0',
  1174.             position: !playing && stay || stub ? 'absolute' : 'fixed',
  1175.             'background-color': stub ? 'rgba(0,0,255,0.5)' : stay ? 'rgba(255,255,0,0.4)' : 'rgba(0,255,0,0.2)',
  1176.           });
  1177.           adjustPinnedOffset(dropZone, div);
  1178.           (stay && !playing || stub ? (stub || div) : document.body).appendChild(dropZone);
  1179.           break;
  1180.         case 'dragend':
  1181.         case 'drop':
  1182.           var corner = calcPinnedCorner(dropZone);
  1183.           dropZone.remove();
  1184.           dropZone = null;
  1185.           document.body.removeEventListener('dragenter', dragHandler);
  1186.           document.body.removeEventListener('dragover', dragHandler);
  1187.           document.body.removeEventListener('dragend', dragHandler);
  1188.           document.body.removeEventListener('drop', dragHandler);
  1189.           if (e.type == 'dragend')
  1190.             break;
  1191.           if (div.hasAttribute('playing'))
  1192.             (corner ? $(div, '[pin="' + corner + '"]') : div.FYTE.stub).click();
  1193.           else
  1194.             startPlaying(div, {pin: corner});
  1195.       }
  1196.     }
  1197.   });
  1198. }
  1199.  
  1200. function adjustPinnedOffset(el, self, corner) {
  1201.   var offset = 0;
  1202.   $$('.instant-youtube-container[pinned] [pin="' + (corner || calcPinnedCorner(el)) + '"][active]').forEach(function(pin) {
  1203.     var container = pin.closest('[pinned]');
  1204.     if (container != el && container != self) {
  1205.       var bounds = container.getBoundingClientRect();
  1206.       offset = Math.max(offset, el.style.top == '0px' ? bounds.bottom : innerHeight - bounds.top);
  1207.     }
  1208.   });
  1209.   if (offset)
  1210.     el.style[el.style.top == '0px' ? 'top' : 'bottom'] = offset + 'px';
  1211. }
  1212.  
  1213. function calcPinnedCorner(el) {
  1214.   var t = el.style.top != 'auto';
  1215.   var b = el.style.bottom != 'auto';
  1216.   var l = el.style.left != 'auto';
  1217.   var r = el.style.right != 'auto';
  1218.   return t && b && l && r ? '' : (t ? 'top' : 'bottom') + '-' + (l ? 'left' : 'right');
  1219. }
  1220.  
  1221. function constrainPinnedSize(div, width) {
  1222.   var maxWidth = window.innerWidth - 100 |0;
  1223.   var triedExceeding = (width|0) > maxWidth;
  1224.   width = Math.max(200, Math.min(maxWidth, width|0));
  1225.   return {
  1226.     w: width,
  1227.     h: width / div.FYTE.cache.videoWidth * div.FYTE.cache.videoHeight,
  1228.     triedExceeding: triedExceeding,
  1229.   };
  1230. }
  1231.  
  1232. function showOptions(e) {
  1233.   var optionsButton = e.target;
  1234.   translateHTML(optionsButton, 'afterend', '\
  1235.     <div class="instant-youtube-options">\
  1236.       <span>\
  1237.         <label tl style="width: 100% !important;">Size:&nbsp;\
  1238.           <select data-action="size-mode">\
  1239.             <option tl value="Original">Original\
  1240.             <option tl value="Fit to width">Fit to width\
  1241.             <option>360p\
  1242.             <option>480p\
  1243.             <option>720p\
  1244.             <option>1080p\
  1245.             <option tl value="Custom">Custom...\
  1246.           </select>\
  1247.         </label>&nbsp;\
  1248.         <label data-action="size-custom" ' + (resizeMode != 'Custom' ? 'disabled' : '') + '>\
  1249.           <input type="number" min="320" max="9999" tl-placeholder="width" data-action="width" step="1" value="' + (resizeWidth||'') + '">\
  1250.           x\
  1251.           <input type="number" min="240" max="9999" tl-placeholder="height" data-action="height" step="1" value="' + (resizeHeight||'') + '">\
  1252.         </label>\
  1253.       </span>\
  1254.       <label tl="content,title" title="msgStoryboardTip">\
  1255.         <input data-action="storyboard" type="checkbox" ' + (showStoryboard ? 'checked' : '') + '>\
  1256.         msgStoryboard\
  1257.       </label>\
  1258.       <span>\
  1259.         <label tl="content,title" title="msgDirectTip">\
  1260.           <input data-action="direct" type="checkbox" ' + (playDirectly ? 'checked' : '') + '>\
  1261.           msgDirect\
  1262.         </label>\
  1263.         &nbsp;\
  1264.         <label tl="content,title" title="msgDirectTip">\
  1265.           <input data-action="direct-shown" type="checkbox" ' + (playDirectlyShown ? 'checked' : '') + '>\
  1266.           msgDirectShown\
  1267.         </label>\
  1268.       </span>\
  1269.       <label tl="content,title" title="msgSafeTip">\
  1270.         <input data-action="safe" type="checkbox" ' + (skipCustom ? 'checked' : '') + '>\
  1271.         msgSafe\
  1272.       </label>\
  1273.       <table>\
  1274.         <tr>\
  1275.           <td><label tl="content,title" title="msgPinningTip">msgPinning</label></td>\
  1276.           <td>\
  1277.             <select data-action="pinnable">\
  1278.               <option tl value="on">msgPinningOn\
  1279.               <option tl value="hide">msgPinningHover\
  1280.               <option tl value="off">msgPinningOff\
  1281.             </select>\
  1282.           </td>\
  1283.         </tr>\
  1284.         <tr tl="title" title="msgQualityTip">\
  1285.           <td><label tl="content">msgQuality</td>\
  1286.           <td>\
  1287.             <select data-action="quality">\
  1288.               <option value="auto" tl>msgQualityAuto\
  1289.               <option value="tiny">144p\
  1290.               <option value="small">240p\
  1291.               <option value="medium">360p\
  1292.               <option value="large">480p\
  1293.               <option value="hd720">720p\
  1294.               <option value="hd1080">1080p\
  1295.               <option value="hd1440">1440p\
  1296.               <option value="hd2160">2160p (4K)\
  1297.               <option value="hd2880">2880p (5K)\
  1298.               <option value="highres">4320p (8K)\
  1299.             </select>\
  1300.           </td>\
  1301.         </tr>\
  1302.       </table>\
  1303.       <span data-action="buttons">\
  1304.         <button tl data-action="ok">OK</button>\
  1305.         <button tl data-action="cancel">Cancel</button>\
  1306.       </span>\
  1307.     </div>\
  1308.   ');
  1309.   var options = optionsButton.nextElementSibling;
  1310.  
  1311.   options.addEventListener('keydown', function(e) {
  1312.     if (e.target.localName == 'input' &&
  1313.       !e.shiftKey && !e.altKey && !e.metaKey && !e.ctrlKey && e.key.match(/[.,]/))
  1314.       return false;
  1315.   });
  1316.  
  1317.   $(options, '[data-action="size-mode"]').value = resizeMode;
  1318.   $(options, '[data-action="size-mode"]').addEventListener('change', function() {
  1319.     var v = this.value != 'Custom';
  1320.     var e = $(options, '[data-action="size-custom"]');
  1321.     e.children[0].disabled = e.children[1].disabled = v;
  1322.     v ? e.setAttribute('disabled', '') : e.removeAttribute('disabled');
  1323.   });
  1324.  
  1325.   $(options, '[data-action="pinnable"]').value = pinnable;
  1326.  
  1327.   $(options, '[data-action="quality"]').value = playQuality;
  1328.  
  1329.   $(options, '[data-action="buttons"]').addEventListener('click', function(e) {
  1330.     if (e.target.dataset.action != 'ok') {
  1331.       options.remove();
  1332.       return;
  1333.     }
  1334.     var v, shouldAdjust;
  1335.     if (resizeMode != (v = $(options, '[data-action="size-mode"]').value)) {
  1336.       GM_setValue('resize', resizeMode = v);
  1337.       shouldAdjust = true;
  1338.     }
  1339.     if (resizeMode == 'Custom') {
  1340.       var w = $(options, '[data-action="width"]').value |0;
  1341.       var h = $(options, '[data-action="height"]').value |0;
  1342.       if (resizeWidth != w || resizeHeight != h) {
  1343.         updateCustomSize(w, h);
  1344.         GM_setValue('width', resizeWidth);
  1345.         GM_setValue('height', resizeHeight);
  1346.         shouldAdjust = true;
  1347.       }
  1348.     }
  1349.     if (showStoryboard != (v = $(options, '[data-action="storyboard"]').checked)) {
  1350.       GM_setValue('showStoryboard', showStoryboard = v);
  1351.       $$('.instant-youtube-container').forEach(updateHoverHandler);
  1352.     }
  1353.     if (playDirectly != (v = $(options, '[data-action="direct"]').checked)) {
  1354.       GM_setValue('playHTML5', playDirectly = v);
  1355.       if (playDirectlyShown) {
  1356.         var newAltText = _(playDirectly ? 'Play with Youtube player' : 'Play directly (up to 720p)');
  1357.         $$('.instant-youtube-alternative').forEach(function(e) {
  1358.           e.textContent = newAltText;
  1359.         });
  1360.       }
  1361.     }
  1362.     if (playDirectlyShown != (v = $(options, '[data-action="direct-shown"]').checked)) {
  1363.       GM_setValue('playHTML5', playDirectlyShown = v);
  1364.       updateAltPlayerCSS();
  1365.     }
  1366.     if (skipCustom != (v = $(options, '[data-action="safe"]').checked)) {
  1367.       GM_setValue('skipCustom', skipCustom = v);
  1368.     }
  1369.     if (pinnable != (v = $(options, '[data-action="pinnable"]').value)) {
  1370.       GM_setValue('pinnable', pinnable = v);
  1371.     }
  1372.     if (playQuality != (v = $(options, '[data-action="quality"]').value)) {
  1373.       GM_setValue('quality', playQuality = v);
  1374.     }
  1375.  
  1376.     options.remove();
  1377.  
  1378.     if (shouldAdjust)
  1379.       adjustNodes(e, e.target.closest('.instant-youtube-container'));
  1380.   });
  1381. }
  1382.  
  1383. function updateCustomSize(w, h) {
  1384.   resizeWidth = Math.min(9999, Math.max(320, w|0 || resizeWidth|0));
  1385.   resizeHeight = Math.min(9999, Math.max(240, h|0 || resizeHeight|0));
  1386. }
  1387.  
  1388. function updateAltPlayerCSS() {
  1389.   var s = '.instant-youtube-alternative { display:' + (playDirectlyShown ? 'block' : 'none') + '!important}';
  1390.   $('style#instant-youtube-styles').textContent += s;
  1391.   return s;
  1392. }
  1393.  
  1394. function important(cssText) {
  1395.   return cssText.replace(/;/g, '!important;');
  1396. }
  1397.  
  1398. function tryCatch(func) {
  1399.   try {
  1400.     return func();
  1401.   } catch(e) {
  1402.     console.log(e);
  1403.   }
  1404. }
  1405.  
  1406. function getFunctionComment(fn) {
  1407.   return fn.toString().match(/\/\*([\s\S]*?)\*\/\s*\}$/)[1];
  1408. }
  1409.  
  1410. function $(selORnode, sel) {
  1411.   return sel ? selORnode.querySelector(sel)
  1412.              : document.querySelector(selORnode);
  1413. }
  1414.  
  1415. function $$(selORnode, sel) {
  1416.   return Array.prototype.slice.call(
  1417.     sel ? selORnode.querySelectorAll(sel)
  1418.         : document.querySelectorAll(selORnode));
  1419. }
  1420.  
  1421. function $$remove(selORnode, sel) {
  1422.   Array.prototype.forEach.call(
  1423.     sel ? selORnode.querySelectorAll(sel)
  1424.         : document.querySelectorAll(selORnode),
  1425.     function(e) { e.remove() }
  1426.   );
  1427. }
  1428.  
  1429. function overrideCSS(e, params) {
  1430.   var names = Object.keys(params);
  1431.   var style = e.style.cssText.replace(new RegExp('(^|\s|;)(' + names.join('|') + ')(:[^;]+)', 'gi'), '$1');
  1432.   e.style.cssText = style.replace(/[^;]\s*$/, '$&;').replace(/^\s*;\s*/, '') +
  1433.     names.map(function(n) { return n + ':' + params[n] + '!important' }).join(';') + ';';
  1434. }
  1435.  
  1436. // fix dumb Firefox bug
  1437. function floatPadding(node, style, dir) {
  1438.   var padding = style['padding' + dir];
  1439.   if (padding.indexOf('%') < 0)
  1440.     return parseFloat(padding);
  1441.   return parseFloat(padding) * (parseFloat(style.width) || node.clientWidth) / 100;
  1442. }
  1443.  
  1444. function cleanupCache() {
  1445.   GM_listValues().forEach(function(k) {
  1446.     if (k.lastIndexOf('cache-', 0) == 0
  1447.     && Date.now() - Number((tryJSONparse(GM_getValue(k)) || {}).lastUsed || 0) > CACHE_STALE_DURATION) {
  1448.       GM_deleteValue(k);
  1449.     }
  1450.   });
  1451. }
  1452.  
  1453. function tryJSONparse(s) {
  1454.   try { return JSON.parse(s) }
  1455.   catch (e) {}
  1456. }
  1457.  
  1458. function translateHTML(baseElement, place, html) {
  1459.   var tmp = document.createElement('div');
  1460.   tmp.innerHTML = html;
  1461.   $$(tmp, '[tl]').forEach(function(node) {
  1462.     (node.getAttribute('tl') || 'content').split(',').forEach(function(what) {
  1463.       var child, src, tl;
  1464.       if (what == 'content') {
  1465.         for (var i = node.childNodes.length-1, n; (i>=0) && (n=node.childNodes[i]); i--) {
  1466.           if (n.nodeType == Node.TEXT_NODE && n.textContent.trim()) {
  1467.             child = n;
  1468.             break;
  1469.           }
  1470.         }
  1471.       } else
  1472.         child = node.getAttributeNode(what);
  1473.       if (!child)
  1474.         return;
  1475.       src = child.textContent;
  1476.       srcTrimmed = src.trim();
  1477.       tl = src.replace(srcTrimmed, _(srcTrimmed));
  1478.       if (src != tl)
  1479.         child.textContent = tl;
  1480.     });
  1481.   });
  1482.   baseElement.insertAdjacentHTML(place, tmp.innerHTML);
  1483. }
  1484.  
  1485. function initTL(src) {
  1486.   var tlSource = {
  1487.     'watch on Youtube': {
  1488.       'ru': 'открыть на Youtube',
  1489.     },
  1490.     'Play with Youtube player': {
  1491.       'ru': 'Включить плеер Youtube',
  1492.     },
  1493.     'Play directly (up to 720p)': {
  1494.       'ru': 'Включить напрямую (макс. 720p)',
  1495.     },
  1496.     msgAltPlayerHint: {
  1497.       'en': 'Shift-click to use alternative player',
  1498.       'ru': 'Shift-клик для смены типа плеера',
  1499.     },
  1500.     'Options': {
  1501.       'ru': 'Опции',
  1502.     },
  1503.     'Size:': {
  1504.       'ru': 'Размер:',
  1505.     },
  1506.     'Original': {
  1507.       'ru': 'Исходный',
  1508.     },
  1509.     'Fit to width': {
  1510.       'ru': 'На всю ширину',
  1511.     },
  1512.     'Custom...': {
  1513.       'ru': 'Настроить...',
  1514.     },
  1515.     'width': {
  1516.       'ru': 'ширина',
  1517.     },
  1518.     'height': {
  1519.       'ru': 'высота',
  1520.     },
  1521.     msgStoryboard: {
  1522.       'en': 'Storyboard thumbnails on hover',
  1523.       'ru': 'Раскадровка при наведении курсора',
  1524.     },
  1525.     msgStoryboardTip: {
  1526.       'en': 'Show storyboard preview on mouse hover at the bottom',
  1527.       'ru': 'Показывать миникадры при наведении мыши на низ кавер-картинки',
  1528.     },
  1529.     msgDirect: {
  1530.       'en': 'Play directly',
  1531.       'ru': 'Встроенный плеер браузера',
  1532.     },
  1533.     msgDirectTip: {
  1534.       'en': 'Note: Shift-click a thumbnail to use alternative player',
  1535.       'ru': 'Напоминание: удерживайте клавишу Shift при щелчке на картинке для альтернативного плеера',
  1536.     },
  1537.     msgDirectShown: {
  1538.       'en': 'Show under play button',
  1539.       'ru': 'Показывать под кнопкой ►',
  1540.     },
  1541.     msgSafe: {
  1542.       'en': 'Safe (skip videos with enablejsapi=1)',
  1543.       'ru': 'Консервативный режим',
  1544.     },
  1545.     msgSafeTip: {
  1546.       'en': 'Do not process customized videos with enablejsapi=1 parameter (requires page reload)',
  1547.       'ru': 'Не обрабатывать нестандартные видео с параметром enablejsapi=1 (подействует после обновления страницы)',
  1548.     },
  1549.     msgPinning: {
  1550.       'en': 'Corner pinning',
  1551.       'ru': 'Закрепление по углам',
  1552.     },
  1553.     msgPinningTip: {
  1554.       'en': 'Enable corner pinning controls when a video is playing. \nTo restore the video click the active corner pin or the original video placeholder.',
  1555.       'ru': 'Включить шпильки по углам для закрепления видео во время просмотра. \nДля отмены можно нажать еще раз на активированный уголЪ или на заглушку, где исходно было видео',
  1556.     },
  1557.     msgPinningOn: {
  1558.       'en': 'On',
  1559.       'ru': 'Да',
  1560.     },
  1561.     msgPinningHover: {
  1562.       'en': 'On, hover a corner to show',
  1563.       'ru': 'Да, при наведении курсора',
  1564.     },
  1565.     msgPinningOff: {
  1566.       'en': 'Off',
  1567.       'ru': 'Нет',
  1568.     },
  1569.     msgQuality: {
  1570.       'en': 'Youtube quality',
  1571.       'ru': 'Качество youtube',
  1572.     },
  1573.     msgQualityTip: {
  1574.       'en': 'Youtube player video quality',
  1575.       'ru': 'Качество видео в youtube-плеере',
  1576.     },
  1577.     msgQualityAuto: {
  1578.       'en': 'auto',
  1579.       'ru': 'не выбрано',
  1580.     },
  1581.     'OK': {
  1582.       'ru': 'ОК',
  1583.     },
  1584.     'Cancel': {
  1585.       'ru': 'Оменить',
  1586.     },
  1587.   };
  1588.   var browserLang = navigator.language || navigator.languages && navigator.languages[0] || '';
  1589.   var browserLangMajor = browserLang.replace(/-.+/, '');
  1590.   var tl = {};
  1591.   Object.keys(tlSource).forEach(function(k) {
  1592.     var langs = tlSource[k];
  1593.     var text = langs[browserLang] || langs[browserLangMajor];
  1594.     if (text)
  1595.       tl[k] = text;
  1596.   });
  1597.   return function(src) { return tl[src] || src };
  1598. }
  1599.  
  1600. function injectStylesIfNeeded(force) {
  1601.   if (!fytedom[0] && !force)
  1602.     return;
  1603.   var styledom = $('style#instant-youtube-styles');
  1604.   if (styledom) {
  1605.     // move our rules to the end of HEAD to increase CSS specificity
  1606.     if (styledom.nextElementSibling && document.head)
  1607.       document.head.insertBefore(styledom, null);
  1608.     return;
  1609.   }
  1610.   styledom = (document.head || document.documentElement).appendChild(document.createElement('style'));
  1611.   styledom.id = 'instant-youtube-styles';
  1612.   styledom.textContent = important(getFunctionComment(function() { /*
  1613.     .instant-youtube-container {
  1614.       contain: strict;
  1615.       position: relative;
  1616.       overflow: hidden;
  1617.       cursor: pointer;
  1618.       padding: 0;
  1619.       margin: auto;
  1620.       font: normal 14px/1.0 sans-serif, Arial, Helvetica, Verdana;
  1621.       text-align: center;
  1622.       background: black;
  1623.       break-inside: avoid-column;
  1624.     }
  1625.     .instant-youtube-container[disabled] {
  1626.       background: #888;
  1627.     }
  1628.     .instant-youtube-container[disabled] .instant-youtube-storyboard {
  1629.       display: none;
  1630.     }
  1631.     .instant-youtube-container[pinned] {
  1632.       box-shadow: 0 0 30px black;
  1633.     }
  1634.     .instant-youtube-container[playing] {
  1635.       contain: inherit;
  1636.     }
  1637.     .instant-youtube-wrapper {
  1638.       width: 100%;
  1639.       height: 100%;
  1640.     }
  1641.     .instant-youtube-play-button {
  1642.       display: block;
  1643.       position: absolute;
  1644.       width: 85px;
  1645.       height: 60px;
  1646.       left: 0;
  1647.       right: 0;
  1648.       top: 0;
  1649.       bottom: 0;
  1650.       margin: auto;
  1651.     }
  1652.     .instant-youtube-loading-spinner {
  1653.       display: block;
  1654.       position: absolute;
  1655.       width: 20px;
  1656.       height: 20px;
  1657.       left: 0;
  1658.       right: 0;
  1659.       top: 0;
  1660.       bottom: 0;
  1661.       padding: 0;
  1662.       margin: auto;
  1663.       pointer-events: none;
  1664.       background: url("data:image/gif;base64,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");
  1665.     }
  1666.     .instant-youtube-container:hover .ytp-large-play-button-svg {
  1667.       fill: #CC181E;
  1668.     }
  1669.     .instant-youtube-alternative {
  1670.       display: block;
  1671.       position: absolute;
  1672.       width: 20em;
  1673.       height: 20px;
  1674.       top: 50%;
  1675.       left: 0;
  1676.       right: 0;
  1677.       margin: 60px auto;
  1678.       padding: 0;
  1679.       border: none;
  1680.       text-align: center;
  1681.       text-decoration: none;
  1682.       text-shadow: 1px 1px 3px black;
  1683.       font-weight: bold;
  1684.       color: white;
  1685.       z-index: 8;
  1686.       font-weight: normal;
  1687.       font-size: 12px;
  1688.     }
  1689.     .instant-youtube-alternative:hover {
  1690.       text-decoration: underline;
  1691.       color: white;
  1692.       background: transparent;
  1693.     }
  1694.     .instant-youtube-embed {
  1695.       z-index: 10;
  1696.       background: transparent;
  1697.     }
  1698.     .instant-youtube-title {
  1699.       z-index: 20;
  1700.       display: block;
  1701.       position: absolute;
  1702.       width: auto;
  1703.       top: 0;
  1704.       left: 0;
  1705.       right: 0;
  1706.       margin: 0;
  1707.       padding: 7px;
  1708.       border: none;
  1709.       text-shadow: 1px 1px 2px black;
  1710.       text-align: center;
  1711.       text-decoration: none;
  1712.       color: white;
  1713.       background-color: rgba(0, 0, 0, 0.5);
  1714.     }
  1715.     .instant-youtube-title strong {
  1716.       font: bold 14px/1.0 sans-serif, Arial, Helvetica, Verdana;
  1717.     }
  1718.     .instant-youtube-title strong:after {
  1719.       content: " - $tl:'watch on Youtube'";
  1720.       font-weight: normal;
  1721.       margin-right: 1ex;
  1722.     }
  1723.     .instant-youtube-title span {
  1724.       color: inherit;
  1725.     }
  1726.     .instant-youtube-title span:before {
  1727.       content: "(";
  1728.     }
  1729.     .instant-youtube-title span:after {
  1730.       content: ")";
  1731.     }
  1732.     .instant-youtube-title i {
  1733.       opacity: .5;
  1734.       font-style: normal;
  1735.     }
  1736.     @-webkit-keyframes instant-youtube-fadein {
  1737.       from { opacity: 0 }
  1738.       to { opacity: 1 }
  1739.     }
  1740.     @-moz-keyframes instant-youtube-fadein {
  1741.       from { opacity: 0 }
  1742.       to { opacity: 1 }
  1743.     }
  1744.     @keyframes instant-youtube-fadein {
  1745.       from { opacity: 0 }
  1746.       to { opacity: 1 }
  1747.     }
  1748.     .instant-youtube-container:not(:hover) .instant-youtube-title[hidden] {
  1749.       display: none;
  1750.       margin: 0;
  1751.     }
  1752.     .instant-youtube-title:hover {
  1753.       text-decoration: underline;
  1754.     }
  1755.     .instant-youtube-title strong {
  1756.       color: white;
  1757.     }
  1758.     .instant-youtube-options-button {
  1759.       opacity: 0.6;
  1760.       position: absolute;
  1761.       right: 0;
  1762.       bottom: 0;
  1763.       margin: 0;
  1764.       padding: 1.5ex 2ex;
  1765.       font-size: 11px;
  1766.       text-shadow: 1px 1px 2px black;
  1767.       color: white;
  1768.     }
  1769.     .instant-youtube-options-button:hover {
  1770.       opacity: 1;
  1771.       background: rgba(0, 0, 0, 0.5);
  1772.     }
  1773.     .instant-youtube-options {
  1774.       display: flex;
  1775.       position: absolute;
  1776.       right: 0;
  1777.       bottom: 0;
  1778.       margin: 0;
  1779.       padding: 1ex 1ex 2ex 2ex;
  1780.       flex-direction: column;
  1781.       align-items: flex-start;
  1782.       line-height: 1.5;
  1783.       text-align: left;
  1784.       opacity: 1;
  1785.       color: white;
  1786.       background: black;
  1787.       z-index: 999;
  1788.     }
  1789.     .instant-youtube-options * {
  1790.       width: auto;
  1791.       height: auto;
  1792.       margin: 0;
  1793.       padding: 0;
  1794.       font: inherit;
  1795.       font-size: 13px;
  1796.       vertical-align: middle;
  1797.       text-transform: none;
  1798.       text-align: left;
  1799.       border-radius: 0;
  1800.       text-decoration: none;
  1801.       color: white;
  1802.       background: black;
  1803.     }
  1804.     .instant-youtube-options > * {
  1805.       margin-top: 1ex;
  1806.     }
  1807.     .instant-youtube-options table {
  1808.       all: unset;
  1809.       display: table;
  1810.     }
  1811.     .instant-youtube-options tr {
  1812.       all: unset;
  1813.       display: table-row;
  1814.     }
  1815.     .instant-youtube-options td {
  1816.       all: unset;
  1817.       display: table-cell;
  1818.       padding: 2px;
  1819.     }
  1820.     .instant-youtube-options label > * {
  1821.       display: inline;
  1822.     }
  1823.     .instant-youtube-options select {
  1824.       padding: .5ex .25ex;
  1825.       border: 1px solid #444;
  1826.       -webkit-appearance: menulist;
  1827.     }
  1828.     .instant-youtube-options [data-action="size-custom"] input {
  1829.       width: 9ex;
  1830.       padding: .5ex .5ex .4ex;
  1831.       border: 1px solid #666;
  1832.     }
  1833.     .instant-youtube-options [data-action="buttons"] {
  1834.       margin-top: 1em;
  1835.     }
  1836.     .instant-youtube-options button {
  1837.       margin: 0 1ex 0 0;
  1838.       padding: .5ex 2ex;
  1839.       border: 2px solid gray;
  1840.       font-weight: bold;
  1841.     }
  1842.     .instant-youtube-options button:hover {
  1843.       border-color: white;
  1844.     }
  1845.     .instant-youtube-options label[disabled] {
  1846.       opacity: 0.25;
  1847.     }
  1848.     .instant-youtube-storyboard {
  1849.       height: 33%;
  1850.       max-height: 90px;
  1851.       display: block;
  1852.       position: absolute;
  1853.       left: 0;
  1854.       right: 0;
  1855.       bottom: 0;
  1856.       overflow: visible;
  1857.       overflow-x: visible;
  1858.       overflow-y: visible;
  1859.     }
  1860.     .instant-youtube-storyboard:hover {
  1861.       background-color: rgba(0,0,0,0.3);
  1862.     }
  1863.     .instant-youtube-storyboard[disabled] {
  1864.       display:none;
  1865.     }
  1866.     .instant-youtube-storyboard div {
  1867.       display: block;
  1868.       position: absolute;
  1869.       bottom: 0px;
  1870.       pointer-events: none;
  1871.       border: 3px solid #888;
  1872.       box-shadow: 2px 2px 10px black;
  1873.       transition: opacity .25s ease;
  1874.       background-color: transparent;
  1875.       background-origin: content-box;
  1876.       opacity: 0;
  1877.     }
  1878.     .instant-youtube-storyboard:hover div {
  1879.       opacity: 1;
  1880.     }
  1881.     .instant-youtube-container [pin] {
  1882.       position: absolute;
  1883.       width: 0;
  1884.       height: 0;
  1885.       margin: 0;
  1886.       padding: 0;
  1887.       top: auto; bottom: auto; left: auto; right: auto;
  1888.       border-style: solid;
  1889.       transition: opacity 2.5s ease-in, opacity 0.4s ease-out;
  1890.       opacity: 0;
  1891.       z-index: 100;
  1892.     }
  1893.     .instant-youtube-container[playing]:hover [pin]:not([transparent]) {
  1894.       opacity: 1;
  1895.     }
  1896.     .instant-youtube-container[playing] [pin]:hover {
  1897.       cursor: alias;
  1898.       opacity: 1;
  1899.       transition: opacity 0s;
  1900.     }
  1901.     .instant-youtube-container [pin=top-left][active] { border-top-color: green; }
  1902.     .instant-youtube-container [pin=top-left]:hover { border-top-color: #fc0; }
  1903.     .instant-youtube-container [pin=top-left] {
  1904.       top: 0; left: 0;
  1905.       border-width: 10px 10px 0 0;
  1906.       border-color: red transparent transparent transparent;
  1907.     }
  1908.     .instant-youtube-container [pin=top-left][transparent] {
  1909.       border-width: 10px 10px 0 0;
  1910.     }
  1911.     .instant-youtube-container [pin=top-right][active] { border-right-color: green; }
  1912.     .instant-youtube-container [pin=top-right]:hover { border-right-color: #fc0; }
  1913.     .instant-youtube-container [pin=top-right] {
  1914.       top: 0; right: 0;
  1915.       border-width: 0 10px 10px 0;
  1916.       border-color: transparent red transparent transparent;
  1917.     }
  1918.     .instant-youtube-container [pin=top-right][transparent] {
  1919.       border-width: 0 10px 10px 0;
  1920.     }
  1921.     .instant-youtube-container [pin=bottom-right][active] { border-bottom-color: green; }
  1922.     .instant-youtube-container [pin=bottom-right]:hover { border-bottom-color: #fc0; }
  1923.     .instant-youtube-container [pin=bottom-right] {
  1924.       bottom: 0; right: 0;
  1925.       border-width: 0 0 10px 10px;
  1926.       border-color: transparent transparent red transparent;
  1927.     }
  1928.     .instant-youtube-container [pin=bottom-right][transparent] {
  1929.       border-width: 0 0 10px 10px;
  1930.     }
  1931.     .instant-youtube-container [pin=bottom-left][active] { border-left-color: green; }
  1932.     .instant-youtube-container [pin=bottom-left]:hover { border-left-color: #fc0; }
  1933.     .instant-youtube-container [pin=bottom-left] {
  1934.       bottom: 0; left: 0;
  1935.       border-width: 10px 0 0 10px;
  1936.       border-color: transparent transparent transparent red;
  1937.     }
  1938.     .instant-youtube-container [pin=bottom-left][transparent] {
  1939.       border-width: 10px 0 0 10px;
  1940.     }
  1941.     .instant-youtube-dragndrop-placeholder {
  1942.       z-index: 999999999;
  1943.       margin: 0;
  1944.       padding: 0;
  1945.       background: rgba(0, 255, 0, 0.1);
  1946.       border: 2px dotted green;
  1947.       box-sizing: border-box;
  1948.       pointer-events: none;
  1949.     }
  1950.     .instant-youtube-container [size-gripper] {
  1951.       width: 0;
  1952.       position: absolute;
  1953.       top: 0;
  1954.       bottom: 0;
  1955.       cursor: e-resize;
  1956.       border-color: rgba(50,100,255,0.5);
  1957.       border-width: 12px;
  1958.       background: rgba(50,100,255,0.2);
  1959.       z-index: 99;
  1960.       opacity: 0;
  1961.       transition: opacity .1s ease-in-out, border-color .1s ease-in-out;
  1962.     }
  1963.     .instant-youtube-container[pinned*="right"] [size-gripper] {
  1964.       border-style: none none none solid;
  1965.       left: -4px;
  1966.     }
  1967.     .instant-youtube-container[pinned*="left"] [size-gripper] {
  1968.       border-style: none solid none none;
  1969.       right: -4px;
  1970.     }
  1971.     .instant-youtube-container [size-gripper]:hover {
  1972.       opacity: 1;
  1973.     }
  1974.     .instant-youtube-container [size-gripper]:active {
  1975.       opacity: 1;
  1976.       width: auto;
  1977.       left: -4px;
  1978.       right: -4px;
  1979.     }
  1980.     .instant-youtube-container [size-gripper][tried-exceeding] {
  1981.       border-color: rgba(255,0,0,0.5);
  1982.     }
  1983.     .instant-youtube-container [size-gripper][saveAs="global"] {
  1984.       border-color: rgba(0,255,0,0.5);
  1985.     }
  1986.     .instant-youtube-container [size-gripper][saveAs="site"] {
  1987.       border-color: rgba(0,255,255,0.5);
  1988.     }
  1989.     .instant-youtube-container [size-gripper][saveAs="reset"] {
  1990.       border-color: rgba(255,255,0,0.5);
  1991.     }
  1992.     .instant-youtube-container [size-gripper][saveAs="cancel"] {
  1993.       border-color: rgba(255,0,255,0.25);
  1994.     }
  1995.     .instant-youtube-container [size-gripper] > div {
  1996.       white-space: nowrap;
  1997.       color: white;
  1998.       font-weight: normal;
  1999.       line-height: 1.25;
  2000.       text-align: left;
  2001.       position: absolute;
  2002.       top: 50%;
  2003.       padding: 1ex 1em 1ex;
  2004.       background-color: rgba(80,150,255,0.5);
  2005.     }
  2006.     .instant-youtube-container [size-gripper] [save-as="site"] {
  2007.       font-weight: bold;
  2008.       color: yellow;
  2009.     }
  2010.     .instant-youtube-container[pinned*="left"] [size-gripper] > div {
  2011.       right: 0;
  2012.     }
  2013.   */}).replace(/\$tl:'(.+?)'/g, function(m, m1) { return _(m1) })
  2014.   ) +
  2015.   updateAltPlayerCSS();
  2016. }