Resize YT To Window Size

Moves the YouTube video to the top of the website and fill the window with the video player.

このスクリプトの質問や評価の投稿はこちら通報はこちらへお寄せください。
// ==UserScript==
// @name            Resize YT To Window Size
// @description     Moves the YouTube video to the top of the website and fill the window with the video player.
// @author          Chris H (Zren / Shade)
// @license         MIT
// @icon            https://s.ytimg.com/yts/img/favicon_32-vflOogEID.png
// @homepageURL     https://github.com/Zren/ResizeYoutubePlayerToWindowSize/
// @namespace       http://xshade.ca
// @version         139
// @include         http*://*.youtube.com/*
// @include         http*://youtube.com/*
// @include         http*://*.youtu.be/*
// @include         http*://youtu.be/*
// @grant           none
// ==/UserScript==

// Github:          https://github.com/Zren/ResizeYoutubePlayerToWindowSize
// GreasyFork:      https://greasyfork.org/scripts/811-resize-yt-to-window-size
// OpenUserJS.org:  https://openuserjs.org/scripts/zren/Resize_YT_To_Window_Size
// Userscripts.org: http://userscripts-mirror.org/scripts/show/153699

(function (window) {
    "use strict";

    //--- Settings
    var playerHeight = '100vh';
    var enableOnLoad = true;
    var scriptToggleKey = 'w';

    //--- Imported Globals
    // yt
    // ytcenter
    // html5Patched (Youtube+)
    // ytplayer
    var uw = window;

    //--- Already Loaded?
    // GreaseMonkey loads this script twice for some reason.
    if (uw.ytwp) return;

    //--- Is iframe?
    function inIframe () {
        try {
            return window.self !== window.top;
        } catch (e) {
            return true;
        }
    }
    if (inIframe()) return;

    //--- Utils
    function isStringType(obj) { return typeof obj === 'string'; }
    function isArrayType(obj) { return obj instanceof Array; }
    function isObjectType(obj) { return typeof obj === 'object'; }
    function isUndefined(obj) { return typeof obj === 'undefined'; }
    function buildVenderPropertyDict(propertyNames, value) {
        var d = {};
        for (var i in propertyNames)
            d[propertyNames[i]] = value;
        return d;
    }
    function observe(selector, config, callback) {
        var observer = new MutationObserver(function(mutations) {
            mutations.forEach(function(mutation){
                callback(mutation);
            });
        });
        var target = document.querySelector(selector);
        if (!target) {
            return null;
        }
        observer.observe(target, config);
        return observer;
    }

    //--- Stylesheet
    var JSStyleSheet = function(id) {
        this.id = id;
        this.stylesheet = '';
    };

    JSStyleSheet.prototype.buildRule = function(selector, styles) {
        var s = "";
        for (var key in styles) {
            s += "\t" + key + ": " + styles[key] + ";\n";
        }
        return selector + " {\n" + s + "}\n";
    };

    JSStyleSheet.prototype.appendRule = function(selector, k, v) {
        if (isArrayType(selector))
            selector = selector.join(',\n');
        var newStyle;
        if (!isUndefined(k) && !isUndefined(v) && isStringType(k)) { // v can be any type (as we stringify it).
            var d = {};
            d[k] = v;
            newStyle = this.buildRule(selector, d);
        } else if (!isUndefined(k) && isUndefined(v) && isObjectType(k)) {
            newStyle = this.buildRule(selector, k);
        } else {
            // Invalid Arguments
            console.log('Illegal arguments', arguments);
            return;
        }

        this.stylesheet += newStyle;
    };

    JSStyleSheet.injectIntoHeader = function(injectedStyleId, stylesheet) {
        var styleElement = document.getElementById(injectedStyleId);
        if (!styleElement) {
            styleElement = document.createElement('style');
            styleElement.type = 'text/css';
            styleElement.id = injectedStyleId;
            document.getElementsByTagName('head')[0].appendChild(styleElement);
        }
        styleElement.appendChild(document.createTextNode(stylesheet));
    };

    JSStyleSheet.prototype.injectIntoHeader = function() {
        JSStyleSheet.injectIntoHeader(this.id, this.stylesheet);
    };

    //--- History
    var HistoryEvent = function() {}
    HistoryEvent.listeners = []

    HistoryEvent.dispatch = function(state, title, url) {
      var stack = this.listeners
      for (var i = 0, l = stack.length; i < l; i++) {
        stack[i].call(this, state, title, url)
      }
    }
    HistoryEvent.onPushState = function(state, title, url) {
        HistoryEvent.dispatch(state, title, url)
        return HistoryEvent.origPushState.apply(window.history, arguments)
    }
    HistoryEvent.onReplaceState = function(state, title, url) {
        HistoryEvent.dispatch(state, title, url)
        return HistoryEvent.origReplaceState.apply(window.history, arguments)
    }
    HistoryEvent.inject = function() {
        if (!HistoryEvent.injected) {
            HistoryEvent.origPushState = window.history.pushState
            HistoryEvent.origReplaceState = window.history.replaceState

            window.history.pushState = HistoryEvent.onPushState
            window.history.replaceState = HistoryEvent.onReplaceState
            HistoryEvent.injected = true
        }
    }

    HistoryEvent.timerId = 0
    HistoryEvent.onTick = function() {
        var currentPage = window.location.pathname + window.location.search
        if (HistoryEvent.lastPage != currentPage) {
            HistoryEvent.dispatch({}, document.title, window.location.href)
            HistoryEvent.lastPage = currentPage
        }
    }
    HistoryEvent.startTimer = function() {
        HistoryEvent.lastPage = window.location.pathname + window.location.search
        HistoryEvent.timerId = setInterval(HistoryEvent.onTick, 500)
    }
    HistoryEvent.stopTimer = function() {
        clearInterval(HistoryEvent.timerId)
    }
    window.ytwpHistoryEvent = HistoryEvent


    //--- Constants
    var scriptShortName = 'ytwp'; // YT Window Player
    var scriptStyleId = scriptShortName + '-style'; // ytwp-style
    var scriptBodyClassId = scriptShortName + '-window-player'; // .ytwp-window-player
    var viewingVideoClassId = scriptShortName + '-viewing-video'; // .ytwp-viewing-video
    var topOfPageClassId = scriptShortName + '-scrolltop'; // .ytwp-scrolltop

    var scriptHtmlSelector = 'html:not([fullscreen="true"])';
    var scriptBodySelector = 'body.' + scriptBodyClassId; // body.ytwp-window-player
    scriptBodySelector += ':not(.enhancer-for-youtube-pinned-player)'; // Support "Enhancer for Youtube" (Pull Request #51)
    var scriptSelector = scriptHtmlSelector + ' ' + scriptBodySelector;

    var videoContainerId = 'player';
    var videoContainerPlacemarkerId = scriptShortName + '-placemarker'; // ytwp-placemarker

    var transitionProperties = ["transition", "-ms-transition", "-moz-transition", "-webkit-transition", "-o-transition"];
    var transformProperties = ["transform", "-ms-transform", "-moz-transform", "-webkit-transform", "-o-transform"];

    //--- YTWP
    var ytwp = uw.ytwp = {
        scriptShortName: scriptShortName, // YT Window Player
        log_: function(logger, args) { logger.apply(console, ['[' + this.scriptShortName + '] '].concat(Array.prototype.slice.call(args))); return 1; },
        log: function() { return this.log_(console.log, arguments); },
        error: function() { return this.log_(console.error, arguments); },

        initialized: false,
        pageReady: false,
        isWatchPage: false,
    };

    ytwp.debugPage = function() {
        function prettyHtml(el) {
            var s = el.outerHTML
            return s.substr(0, s.indexOf('>')+1)
        }
        var defStyle = {
            'display':'block', 'position': 'static',
            'left': 'auto', 'right': 'auto', 'top': 'auto', 'bottom': 'auto',
            'padding-left':'0px', 'padding-right':'0px', 'padding-top':'0px', 'padding-bottom':'0px',
            'margin-left':'0px', 'margin-right':'0px', 'margin-top':'0px', 'margin-bottom':'0px',
            'width': 'auto', 'min-width': 'auto', 'max-width': 'auto',
            'height': 'auto', 'min-height': 'auto', 'max-height': 'auto',
        }
        var keyFilter = Object.keys(defStyle)
        var node = document.querySelector('#movie_player video')
        var outStr = ''
        while (node && node.parentNode) {
            var style = getComputedStyle(node)
            var styleDiff = {}
            for (var key of style) {
                if (keyFilter.includes(key) && style[key] != defStyle[key]) {
                    styleDiff[key] = style[key]
                }
            }
            outStr += prettyHtml(node) + ' ' + JSON.stringify(styleDiff) + '\n'
            node = node.parentNode
        }
        outStr = outStr.split('\n').reverse().join('\n')
        ytwp.log('debugPage', outStr)
    }

    ytwp.hasYoutubeChanged = function() {
        var tree = [
            'html',
            'body',
            'ytd-app',
            '#content.ytd-app',
            'ytd-page-manager#page-manager.ytd-app',
            'ytd-watch-flexy.ytd-page-manager',
            '#full-bleed-container.ytd-watch-flexy',
            '#player-full-bleed-container.ytd-watch-flexy',
            '#player-container.ytd-watch-flexy',
            'ytd-player#ytd-player.ytd-watch-flexy',
            '#container.ytd-player',
            '.html5-video-player',
            '.html5-video-container',
            'video.html5-main-video',
        ]
        tree = tree.reverse()
        var node = document.querySelector(tree[0])
        if (!node) {
            ytwp.error('YT has changed!', tree[0], 'no longer exists!')
            return true
        }
        for (var i = 1; i < tree.length; i++) {
            var parent = node.parentNode
            var selector = tree[i]
            if (parent.matches(selector)) {
                node = parent
            } else {
                ytwp.error('YT has changed!', selector, 'no longer exists!')
            }
        }
        return false
    }

    ytwp.isWatchUrl = function (url) {
        if (!url)
            url = uw.location.href;
        if (url.match(/https?:\/\/(www\.)?youtube.com\/(c|channel|user)\/[^\/]+\/live/)) {
            if (document.querySelector('ytd-browse')) {
                return false
            } else {
                return true
            }
        }
        return url.match(/https?:\/\/(www\.)?youtube.com\/watch\?/);
    };

    ytwp.setTheaterMode = function(enable) {
        // ytwp.log('setTheaterMode', enable)

        var watchElement = document.querySelector('ytd-watch:not([hidden])') || document.querySelector('ytd-watch-flexy:not([hidden])') || document.querySelector('ytd-watch-grid:not([hidden])')
        if (watchElement) {
            var isTheater = watchElement.hasAttribute('theater')
            if (enable != isTheater) {
                // Note: (Issue #75) ytd-watch-flexy watchElement.querySelector() will find
                // Nothing for some reason. We need to query from the document scope.
                var sizeButton = document.querySelector(watchElement.tagName + ':not([hidden]) button.ytp-size-button')
                if (!sizeButton) {
                    var screenModeButtons = document.querySelectorAll(watchElement.tagName + ':not([hidden]) button.ytp-screen-mode-settings-button')
                    sizeButton = screenModeButtons[1] // 2nd button is "Theater mode (t)"
                }
                if (sizeButton) {
                    sizeButton.click()
                }
            }
            watchElement.canFitTheater_ = true // When it's too small, it disables the theater mode.
        } else if (watchElement = document.querySelector('#page.watch')) {
            var isTheater = watchElement.classList.contains('watch-stage-mode')
            if (enable != isTheater) {
                var sizeButton = watchElement.querySelector('button.ytp-size-button')
                if (sizeButton) {
                    sizeButton.click()
                }
            }
        }
    }
    ytwp.enterTheaterMode = function() {
        // ytwp.log('enterTheaterMode')
        if (!document.body.classList.contains(scriptBodyClassId)) {
            return
        }

        ytwp.setTheaterMode(true)
    }
    ytwp.enterTheaterMode();
    uw.addEventListener('resize', ytwp.enterTheaterMode);

    ytwp.detectPlayerUnavailable = function() {
        if (document.querySelector('[player-unavailable]')) {
            ytwp.event.removeBodyClass()
        }
    }


    ytwp.init = function() {
        ytwp.log('init');
        if (!ytwp.initialized) {
            ytwp.isWatchPage = ytwp.isWatchUrl();
            if (ytwp.isWatchPage) {
                ytwp.removeSearchAutofocus();
                if (!document.getElementById(scriptStyleId)) {
                    ytwp.event.initStyle();
                }
                ytwp.initScroller();
                ytwp.initialized = true;
                ytwp.pageReady = false;
            }
        }
        ytwp.event.onWatchInit();
        if (ytwp.isWatchPage) {
            ytwp.html5PlayerFix();
        }
    }

    ytwp.initScroller = function() {
        // Register listener & Call it now.
        uw.addEventListener('scroll', ytwp.onScroll, false);
        uw.addEventListener('resize', ytwp.onScroll, false);
        ytwp.onScroll();
    }

    ytwp.onScroll = function() {
        var viewportHeight = document.documentElement.clientHeight;

        // topOfPageClassId
        if (ytwp.isWatchPage && uw.scrollY == 0) {
            document.body.classList.add(topOfPageClassId);
            //var player = document.getElementById('movie_player');
            //if (player)
            //    player.focus();
        } else {
            document.body.classList.remove(topOfPageClassId);
        }

        // viewingVideoClassId
        if (ytwp.isWatchPage && uw.scrollY <= viewportHeight) {
            document.body.classList.add(viewingVideoClassId);
        } else {
            document.body.classList.remove(viewingVideoClassId);
        }
    }

    ytwp.event = {
        initStyle: function() {
            ytwp.log('initStyle');
            ytwp.style = new JSStyleSheet(scriptStyleId);
            ytwp.event.buildStylesheet();
            // Duplicate stylesheet targeting data-spf-name if enabled.
            if (uw.spf) {
                var temp = scriptBodySelector;
                scriptBodySelector = 'body[data-spf-name="watch"]';
                scriptSelector = scriptHtmlSelector + ' ' + scriptBodySelector
                ytwp.event.buildStylesheet();
                ytwp.style.appendRule('body[data-spf-name="watch"]:not(.ytwp-window-player) #masthead-positioner',  {
                    'position': 'absolute',
                    'top': playerHeight + ' !important'
                });
            }
            ytwp.style.injectIntoHeader();
        },
        buildStylesheet: function() {
            ytwp.log('buildStylesheet');
            //--- Browser Scrollbar
            // Chrome/Webkit
            ytwp.style.appendRule(scriptBodySelector + '::-webkit-scrollbar', {
                'width': '0 !important',
                'height': '0 !important',
            });
            // Firefox/Gecko
            // Requires about:config flag to be toggled as of FireFox v63
            // https://github.com/Zren/ResizeYoutubePlayerToWindowSize/issues/42
            ytwp.style.appendRule('html', {
                'scrollbar-width': 'none',
            });

            //--- Video Player
            var d;
            d = buildVenderPropertyDict(transitionProperties, 'left 0s linear, padding-left 0s linear');
            d['padding'] = '0 !important';
            d['margin'] = '0 !important';
            ytwp.style.appendRule([
                scriptBodySelector + ' #player',
                scriptBodySelector + '.ytcenter-site-center.ytcenter-non-resize.ytcenter-guide-visible #player',
                scriptBodySelector + '.ltr.ytcenter-site-center.ytcenter-non-resize.ytcenter-guide-visible.guide-collapsed #player',
                scriptBodySelector + '.ltr.ytcenter-site-center.ytcenter-non-resize.ytcenter-guide-visible.guide-collapsed #player-legacy',
                scriptBodySelector + '.ltr.ytcenter-site-center.ytcenter-non-resize.ytcenter-guide-visible.guide-collapsed #watch7-main-container',
            ], d);
            //
            d = buildVenderPropertyDict(transitionProperties, 'width 0s linear, left 0s linear');

            // Bugfix for Firefox
            // Parts of the header (search box) are hidden under the player.
            // Firefox doesn't seem to be using the fixed header+guide yet.
            d['float'] = 'initial';

            // Skinny mode
            d['left'] = 0;
            d['margin-left'] = 0;

            ytwp.style.appendRule(scriptBodySelector + ' #player-api', d);

            // Theater mode
            ytwp.style.appendRule(scriptBodySelector + ' .watch-stage-mode #player .player-api', {
                'left': 'initial !important',
                'margin-left': 'initial !important',
            });

            // Hide the cinema/wide mode button since it's useless.
            //ytwp.style.appendRule(scriptBodySelector + ' #movie_player .ytp-size-button', 'display', 'none');

            // !important is mainly for simplicity, but is needed to override the !important styling when the Guide is open due to:
            // .sidebar-collapsed #watch7-video, .sidebar-collapsed #watch7-main, .sidebar-collapsed .watch7-playlist { width: 945px!important; }
            // Also, Youtube Center resizes #player at element level.
            // Don't resize if Youtube+'s html.floater is detected.
            // Dont' resize if Youtube+ (Iridium/Material)'s html.iri-always-visible is detected.
            ytwp.style.appendRule(
                [
                    scriptSelector + ' #player',
                    scriptSelector + ' #player-wrap',
                    scriptSelector + ' #player-api',
                    scriptHtmlSelector + ':not(.floater):not(.iri-always-visible) ' + scriptBodySelector + ' #movie_player',
                    scriptSelector + ' #player-mole-container',
                    scriptHtmlSelector + ':not(.floater):not(.iri-always-visible) ' + scriptBodySelector + ' .html5-video-container',
                    scriptHtmlSelector + ':not(.floater):not(.iri-always-visible) ' + scriptBodySelector + ' .html5-main-video',
                    scriptSelector + ' ytd-watch-flexy[theater] #player-theater-container.ytd-watch-flexy',
                    scriptSelector + ' ytd-watch-flexy[flexy] #player-container-outer.ytd-watch-flexy',
                    scriptSelector + ' ytd-watch-flexy[flexy] #player-container-inner.ytd-watch-flexy',
                    scriptSelector + ' ytd-watch-flexy[flexy] #player-container.ytd-watch-flexy',
                    scriptSelector + ' ytd-watch-grid[theater] #player-theater-container.ytd-watch-grid',
                    scriptSelector + ' ytd-watch-grid[flexy] #player-container-outer.ytd-watch-grid',
                    scriptSelector + ' ytd-watch-grid[flexy] #player-container-inner.ytd-watch-grid',
                    scriptSelector + ' ytd-watch-grid[flexy] #player-container.ytd-watch-grid',
                ],
                {
                    'width': '100% !important',
                    'min-width': '100% !important',
                    'max-width': '100% !important',
                    'height': playerHeight + ' !important',
                    'min-height': playerHeight + ' !important',
                    'max-height': playerHeight + ' !important',
                }
            );

             ytwp.style.appendRule(
                [
                    scriptSelector + ' #player',
                    scriptSelector + ' .html5-main-video',
                ],
                {
                    'top': '0 !important',
                    'right': '0 !important',
                    'bottom': '0 !important',
                    'left': '0 !important',
                }
            );
            // Resize #player-unavailable, #player-api
            // Using min/max width/height will keep
            ytwp.style.appendRule(scriptSelector + ' #player .player-width', 'width', '100% !important');
            ytwp.style.appendRule(scriptSelector + ' #player .player-height', 'height', '100% !important');

            // Fix video overlays
            ytwp.style.appendRule([
                scriptSelector + ' .html5-video-player .ad-container-single-media-element-annotations', // Ad
                scriptSelector + ' .html5-video-player .ytp-upnext', // Autoplay Next Video
            ], 'top', '0');

            // Fix video cropping (object-fit: cover) (Issue #70)
            ytwp.style.appendRule(scriptSelector + ' .ytp-fit-cover-video .html5-main-video', 'object-fit', 'contain !important');
            // Thumbnail cropping
            ytwp.style.appendRule(scriptSelector + ' .ytp-cued-thumbnail-overlay-image', {
                'background-size': 'contain !important',
                '-moz-background-size': 'contain !important',
                '-webkit-background-size': 'contain !important',
            });

            //--- Video Container Background
            ytwp.style.appendRule(scriptSelector + ' #movie_player', 'background-color', '#000000');

            //--- Move Video Player
            ytwp.style.appendRule(scriptSelector + ' #player', {
                'position': 'absolute',
                // Already top:0; left: 0;
            });
            ytwp.style.appendRule(scriptSelector, { // body
                'margin-top': playerHeight,
            });

            // Fix the top right avatar button
            ytwp.style.appendRule(scriptSelector + ' button.ytp-button.ytp-cards-button', 'top', '0');


            //--- Sidebar
            // Remove the transition delay as you can see it moving on page load.
            d = buildVenderPropertyDict(transitionProperties, 'margin-top 0s linear, padding-top 0s linear');
            d['margin-top'] = '0 !important';
            d['top'] = '0 !important';
            ytwp.style.appendRule(scriptSelector + ' #watch7-sidebar', d);

            ytwp.style.appendRule(scriptSelector + '.cardified-page #watch7-sidebar-contents', 'padding-top', '0');

            //--- Absolutely position the fixed header.
            // Masthead
            ytwp.style.appendRule('#skip-navigation.ytd-masthead', 'top', '-150vh'); // Normally -1000px can be shorter than screen (Issue #77)
            d = buildVenderPropertyDict(transitionProperties, 'top 0s linear !important');
            ytwp.style.appendRule(scriptSelector + '.hide-header-transition #masthead-positioner', d);
            ytwp.style.appendRule(scriptSelector + '.' + viewingVideoClassId + ' #masthead-positioner', {
                'position': 'absolute',
                'top': playerHeight + ' !important'
            });
            // Lower masthead below Youtube+'s html.floater
            ytwp.style.appendRule('html.floater ' + scriptBodySelector + '.' + viewingVideoClassId + ' #masthead-positioner', {
                'z-index': '5',
            });
            // Autocomplete popup
            ytwp.style.appendRule(scriptSelector + ' .sbdd_a', {
                'top': '56px',
            });
            ytwp.style.appendRule(scriptSelector + '.' + viewingVideoClassId + ' .sbdd_a', {
                'top': 'calc(' + playerHeight + ' + 56px) !important',
                'position': 'absolute !important',
            });

            // Guide
            // When watching the video, we need to line it up with the masthead.
            ytwp.style.appendRule(scriptSelector + '.' + viewingVideoClassId + ' #appbar-guide-menu', {
                'display': 'initial',
                'position': 'absolute',
                'top': '100% !important' // Masthead height
            });
            ytwp.style.appendRule(scriptSelector + '.' + viewingVideoClassId + ' #page.watch #guide', {
                'display': 'initial',
                'margin': '0',
                'position': 'initial'
            });
            // When the guide is open, it adds body{top:-1000px} which messes with the top position (Issue #77)
            ytwp.style.appendRule(scriptSelector + '.lock-scrollbar', {
                'top': '0 !important',
                'position': 'static !important',
            });


            //---
            // MiniPlayer-Bar
            ytwp.style.appendRule(scriptSelector + ' #miniplayer-bar #player', {
                'position': 'static',
            });
            ytwp.style.appendRule(
                [
                    scriptSelector + ' #miniplayer-bar #player',
                    scriptSelector + ' #miniplayer-bar #player-api',
                    scriptHtmlSelector + ':not(.floater):not(.iri-always-visible) ' + scriptBodySelector + ' #miniplayer-bar #movie_player',
                    scriptSelector + ' #player-mole-container',
                    scriptHtmlSelector + ':not(.floater):not(.iri-always-visible) ' + scriptBodySelector + ' #miniplayer-bar .html5-video-container',
                    scriptHtmlSelector + ':not(.floater):not(.iri-always-visible) ' + scriptBodySelector + ' #miniplayer-bar .html5-main-video',
                ],
                {
                    'width': '252px !important',
                    'min-width': '252px !important',
                    'max-width': '252px !important',
                    'height': '142px !important',
                    'min-height': '142px !important',
                    'max-height': '142px !important',
                }
            );
            // Override inline style (caused by a JS animation) that breaks the miniplayer video
            // https://github.com/Zren/ResizeYoutubePlayerToWindowSize/issues/41#issuecomment-439710130
            ytwp.style.appendRule('.video-stream.html5-main-video', {
                'top': '0 !important',
            });

            //---
            // Hide Scrollbars
            ytwp.style.appendRule(scriptSelector + '.' + topOfPageClassId, 'overflow-x', 'hidden');


            //--- Fix Other Possible Style Issues
            ytwp.style.appendRule(scriptSelector + ' #placeholder-player', 'display', 'none');
            ytwp.style.appendRule(scriptSelector + ' #watch-sidebar-spacer', 'display', 'none');
            ytwp.style.appendRule(scriptSelector + ' .skip-nav', 'display', 'none');

            //--- Whitespace Leftover From Moving The Video
            ytwp.style.appendRule(scriptSelector + ' #page.watch', 'padding-top', '0');
            ytwp.style.appendRule(scriptSelector + ' .player-branded-banner', 'height', '0');

            //--- Youtube+ Compatiblity
            ytwp.style.appendRule(scriptSelector + ' #body-container', 'position', 'static');
            ytwp.style.appendRule(scriptHtmlSelector + '.part_static_size:not(.content-snap-width-skinny-mode) ' + scriptBodySelector + ' .watch-non-stage-mode #player-playlist', 'width', '1066px');

            //--- Playlist Bar
            ytwp.style.appendRule([
                scriptSelector + ' #placeholder-playlist',
                scriptSelector + ' #player .player-height#watch-appbar-playlist',
            ], {
                'height': '540px !important',
                'max-height': '540px !important',
            });

            d = buildVenderPropertyDict(transitionProperties, 'transform 0s linear');
            ytwp.style.appendRule(scriptSelector + ' #watch-appbar-playlist', d);
            d = buildVenderPropertyDict(transformProperties, 'translateY(0px)');
            d['margin-left'] = '0';
            d['top'] = 'calc(' + playerHeight + ' + 60px)';
            ytwp.style.appendRule(scriptSelector + ' #player .player-height#watch-appbar-playlist', d);
            ytwp.style.appendRule(scriptSelector + ' .playlist-videos-list', {
                'max-height': '470px !important',
                'height': 'initial !important',
            });

            // Old layout `&disable_polymer=true`
            ytwp.style.appendRule(scriptSelector + ' #player .player-height#watch-appbar-playlist', {
                'left': 'calc((100vw - 1066px)/2 + 640px + 10px)',
                'width': '416px',
            });
            ytwp.style.stylesheet += '@media screen and (min-height: 630px) and (min-width: 1294px) {\n';
            ytwp.style.appendRule(scriptSelector + ' #player .player-height#watch-appbar-playlist', {
                'left': 'calc((100vw - 1280px)/2 + 854px + 10px)',
            });
            ytwp.style.stylesheet += '}\n @media screen and (min-width: 1720px) and (min-height:980px) {\n';
            ytwp.style.appendRule(scriptSelector + ' #player .player-height#watch-appbar-playlist', {
                'left': 'calc((100vw - 1706px)/2 + 1280px + 10px)',
            });
            ytwp.style.stylesheet += '}\n';

            //---
            // Material UI
            ytwp.style.appendRule(scriptSelector + '.ytwp-scrolltop #extra-buttons', 'display', 'none !important');
            // ytwp.style.appendRule('body > #player:not(.ytd-watch)', 'display', 'none');
            // ytwp.style.appendRule('body.ytwp-viewing-video #content:not(app-header-layout) ytd-page-manager', 'margin-top', '0 !important');
            // ytwp.style.appendRule('.ytd-watch-0 #content-separator.ytd-watch', 'margin-top', '0');
            ytwp.style.appendRule('ytd-app', 'position', 'static !important');
            ytwp.style.appendRule('ytd-watch #top', 'margin-top', '71px !important'); // 56px (topnav height) + 15px (margin)
            ytwp.style.appendRule('ytd-watch #container', 'margin-top', '0 !important');
            ytwp.style.appendRule('ytd-watch #content-separator', 'margin-top', '0 !important');
            // Note: Container is now relative since 2023 June (Issue #77)
            // Note: Container is now a full-bleed-player (Issue #79)
            ytwp.style.appendRule([
                scriptSelector + ' ytd-watch-flexy[theater] #player-wide-container.ytd-watch-flexy',
                scriptSelector + ' ytd-watch-flexy[fullscreen] #player-wide-container.ytd-watch-flexy',
                scriptSelector + ' ytd-watch-flexy[full-bleed-player] #player-full-bleed-container.ytd-watch-flexy', // Issue #79 (2023-08-17)
                scriptSelector + ' ytd-watch-flexy[full-bleed-player] #full-bleed-container.ytd-watch-flexy', // Issue #79 (2023-08-22)
                scriptSelector + ' ytd-watch-grid[theater] #player-wide-container.ytd-watch-grid',
                scriptSelector + ' ytd-watch-grid[fullscreen] #player-wide-container.ytd-watch-grid',
                scriptSelector + ' ytd-watch-grid[full-bleed-player] #player-full-bleed-container.ytd-watch-grid', // Issue #81 (2023-08-30)
                scriptSelector + ' ytd-watch-grid[full-bleed-player] #full-bleed-container.ytd-watch-grid', // Issue #81 (2023-08-30)
            ], {
                'position': 'static',
                'height': 0,
                'min-height': 0,
            });

            ytwp.style.appendRule(scriptSelector + '.ytwp-viewing-video ytd-app #masthead-container.ytd-app', {
                'position': 'absolute',
                'top': playerHeight,
                'z-index': 0,
            });
            ytwp.style.appendRule(scriptSelector + '.ytwp-viewing-video ytd-watch #masthead-positioner', {
                'top': playerHeight + ' !important',
            });
            ytwp.style.appendRule(scriptSelector + ' .ytp-cued-thumbnail-overlay', 'z-index', '10');

            //---
            // Flexy UI
            ytwp.style.appendRule([
                scriptSelector + ' ytd-watch-flexy[theater] #player-theater-container.ytd-watch-flexy',
                scriptSelector + ' ytd-watch-grid[theater] #player-theater-container.ytd-watch-grid',
            ], {
                'position': 'absolute',
                'top': '0',
            });
            // Youtube seems to be ignoring the margin/padding top in certain elements for some reason (Issue #88)
            // ytwp.style.appendRule([
            //     scriptSelector + ' ytd-watch-flexy',
            //     scriptSelector + ' ytd-watch-grid',
            // ], 'padding-top', '71px'); // 56px (topnav height) + 15px (margin)
            ytwp.style.appendRule('#page-manager.ytd-app', 'padding-top', 'var(--ytd-masthead-height,var(--ytd-toolbar-height))');
            ytwp.style.appendRule(scriptSelector + ' #error-screen', 'z-index', '11');
        },
        onWatchInit: function() {
            ytwp.log('onWatchInit');
            if (!ytwp.initialized) return;
            if (ytwp.pageReady) return;

            if (enableOnLoad) {
                ytwp.event.addBodyClass();
            }
            if (ytwp.hasYoutubeChanged()) {
                ytwp.debugPage()
            }
            ytwp.pageReady = true;
        },
        onDispose: function() {
            ytwp.log('onDispose');
            ytwp.initialized = false;
            ytwp.pageReady = false;
            ytwp.isWatchPage = false;
        },
        addBodyClass: function() {
            // Insert CSS Into the body so people can style around the effects of this script.
            document.body.classList.add(scriptBodyClassId);
            ytwp.log('Applied ' + scriptBodySelector);
        },
        removeBodyClass: function() {
            document.body.classList.remove(scriptBodyClassId);
            ytwp.log('Removed ' + scriptBodySelector);
        },
    };

    ytwp.html5PlayerFix = function() {
        ytwp.log('html5PlayerFix');
        return;

        try {
            if (!uw.ytcenter // Youtube Center
                && !uw.html5Patched // Youtube+
                && (!ytwp.html5.app)
                && (uw.ytplayer && uw.ytplayer.config)
                && (uw.yt && uw.yt.player && uw.yt.player.Application && uw.yt.player.Application.create)
            ) {
                ytwp.html5.app = ytwp.html5.getPlayerInstance();
            }

            ytwp.html5.update();
            ytwp.html5.autohideControls();
        } catch (e) {
            ytwp.error(e);
        }
    }

    ytwp.fixMasthead = function() {
        ytwp.log('fixMasthead');
        var el = document.querySelector('#masthead-positioner-height-offset');
        if (el) {
            ytwp.fixMastheadElement(el);
        }
    }
    ytwp.fixMastheadElement = function(el) {
        ytwp.log('fixMastheadElement', el);
        if (el.style.height) { // != ""
            setTimeout(function(){
                el.style.height = ""
                document.querySelector('#appbar-guide-menu').style.marginTop = "";
            }, 0);
        }
    }

    JSStyleSheet.injectIntoHeader(scriptStyleId + '-focusfix', 'input#search[autofocus] { display: none; }');
    ytwp.removeSearchAutofocus = function() {
        var e = document.querySelector('input#search');
        // ytwp.log('removeSearchAutofocus', e)
        if (e) {
            e.removeAttribute('autofocus')
        }
    }

    ytwp.registerMastheadFix = function() {
        ytwp.log('registerMastheadFix');
        // Fix the offset when closing the Share widget (element.style.height = ~275px).

        observe('#masthead-positioner-height-offset', {
            attributes: true,
        }, function(mutation) {
            console.log(mutation.type, mutation)
            if (mutation.attributeName === 'style') {
                var el = mutation.target;
                if (el.style.height) { // != ""
                    setTimeout(function(){
                        el.style.height = ""
                        document.querySelector('#appbar-guide-menu').style.marginTop = "";
                    }, 0);
                }

            }
        });
    }

    //--- Material UI
    ytwp.materialPageTransition = function() {
        ytwp.log('materialPageTransition')
        ytwp.init();

        if (ytwp.isWatchUrl()) {
            ytwp.removeSearchAutofocus();
            if (enableOnLoad) {
                ytwp.event.addBodyClass();
            }
            // if (!ytwp.html5.app) {
            if (!ytwp.initialized) {
                ytwp.log('materialPageTransition !ytwp.html5.app', ytwp.html5.app)
                setTimeout(ytwp.materialPageTransition, 100);
            }
            // Focus player
            // var moviePlayer = document.querySelector('#movie_player')
            // if (moviePlayer) {
            //     moviePlayer.click()
            // }
        } else {
            ytwp.event.onDispose();
            document.body.classList.remove(scriptBodyClassId);
        }
        ytwp.onScroll();
        ytwp.fixMasthead();
        ytwp.attemptToUpdatePlayer();
    };

    //--- Listeners
    ytwp.registerListeners = function() {
        ytwp.registerMaterialListeners();
        ytwp.registerMastheadFix();
    };

    ytwp.registerMaterialListeners = function() {
        // For Material UI
        // HistoryEvent.listeners.push(ytwp.materialPageTransition);
        // HistoryEvent.startTimer();
        // HistoryEvent.inject();
        // HistoryEvent.listeners.push(console.log.bind(console));
        document.addEventListener('yt-page-data-fetched', ytwp.materialPageTransition)
        document.addEventListener('yt-navigate-finish', ytwp.materialPageTransition)

        // Debugging
        // document.addEventListener('yt-navigate-start', function(e){ ytwp.log('document.yt-navigate-start', e)})
        document.addEventListener('yt-page-data-fetched', function(e){ ytwp.log('document.yt-page-data-fetched', e)})
        document.addEventListener('yt-navigate-finish', function(e){ ytwp.log('document.yt-navigate-finish', e)})
        // document.addEventListener('yt-navigate-error', function(e){ ytwp.log('document.yt-navigate-error', e)})
        // document.addEventListener('yt-navigate-cache', function(e){ ytwp.log('document.yt-navigate-cache', e)})
        // document.addEventListener('yt-navigate-redirect', function(e){ ytwp.log('document.yt-navigate-redirect', e)})
        // document.addEventListener('yt-navigate-action', function(e){ ytwp.log('document.yt-navigate-action', e)})
        // document.addEventListener('yt-navigate-home-action', function(e){ ytwp.log('document.yt-navigate-home-action', e)})
    };

    ytwp.main = function() {
        ytwp.registerListeners();
        ytwp.init();
        ytwp.fixMasthead();
    };

    ytwp.main();

    // ytwp.updatePlayerTimerId = 0;
    ytwp.updatePlayerAttempts = -1;
    ytwp.updatePlayerMaxAttempts = 150; // 60fps = 2.5sec
    ytwp.attemptToUpdatePlayer = function() {
        // console.log('ytwp.attemptToUpdatePlayer')
        if (0 <= ytwp.updatePlayerAttempts && ytwp.updatePlayerAttempts < ytwp.updatePlayerMaxAttempts) {
            ytwp.updatePlayerAttempts = 0;
        } else {
            ytwp.updatePlayerAttempts = 0;
            ytwp.attemptToUpdatePlayerTick();
        }
        // setTimeout(ytwp.updatePlayer, 10000); /// Just in case it's not caught
    }
    ytwp.attemptToUpdatePlayerTick = function() {
        // console.log('ytwp.attemptToUpdatePlayerTick', ytwp.updatePlayerAttempts)
        if (ytwp.updatePlayerAttempts < ytwp.updatePlayerMaxAttempts) {
            ytwp.updatePlayerAttempts += 1;
            ytwp.updatePlayer();
            // ytwp.updatePlayerTimerId = setTimeout(ytwp.attemptToUpdatePlayerTick, 200);
            requestAnimationFrame(ytwp.attemptToUpdatePlayerTick);
        }
    }

    ytwp.updatePlayer = function() {
        ytwp.removeSearchAutofocus();
        ytwp.enterTheaterMode();
        ytwp.detectPlayerUnavailable();
    }

    ytwp.toggleExtension = function() {
        document.body.classList.toggle('ytwp-window-player')
        ytwp.setTheaterMode(document.body.classList.contains('ytwp-window-player'))
    }


    //--- Main
    ytwp.materialPageTransition()
    setInterval(ytwp.updatePlayer, 2500);


    //--- Keyboard Shortcut
    function childOf(child, ancestor) {
        var parent = child.parentNode
        while (parent) {
            if (parent == ancestor) {
                return true
            }
            parent = parent.parentNode
        }
        return false
    }
    function cancelIfToggleKey(validKeyCallback, e) {
        var isKey = e.key === scriptToggleKey
        var validTarget = (
            e.target === document.body
            || e.target.id === 'player-api'
            || e.target.id === 'movie_player'
            || childOf(e.target, document.querySelector('#movie_player'))
        )
        if (validTarget && isKey) {
            e.preventDefault()
            e.stopPropagation()
            console.log('cancelIfToggleKey.validKeyCallback', validKeyCallback, 'e', e)
            if (validKeyCallback) {
                validKeyCallback()
            }
        }
    }
    window.addEventListener('keydown', cancelIfToggleKey.bind(null, ytwp.toggleExtension), true)
    window.addEventListener('keyup', cancelIfToggleKey.bind(null, null), true)
    // Note: keypress is deprecated
    // https://developer.mozilla.org/en-US/docs/Web/API/Element/keypress_event
    window.addEventListener('keypress', cancelIfToggleKey.bind(null, null), true)


    //--- Browser Extension
    if (typeof browser !== "undefined") {
        browser.runtime.onMessage.addListener(request => {
            if (request.id == "toggle") {
                ytwp.toggleExtension()

                return Promise.resolve({
                    enabled: document.body.classList.contains('ytwp-window-player'),
                })
            } else {
                return Promise.reject(new Error('Unreconized message.id'))
            }
        });
    }

})(window);