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youtube-scripts.js
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/*------------------------------------------------------------------------------
>>> TABLE OF CONTENTS:
--------------------------------------------------------------------------------
1.0 Global variable
3.0
4.0 Features
4.1.0 General
4.1.1 YouTube home page
4.1.2 Collapse of subscription sections
4.1.3 Add "Scroll to top"
4.1.4 Confirmation before closing
4.1.5 Mark watched videos
4.1.6 Only one player instance playing
4.1.7 HD thumbnails
4.1.8 Add popup window buttons
4.2.0 Appearance
4.2.1 Player
4.2.1.1 Player size
4.2.1.2 Forced theater mode
4.2.1.3 HD thumbnail
4.2.1.4 Always show progress bar
4.2.1.5 Video remaining duration
4.2.2 Sidebar
4.2.2.1 Livechat
4.2.2.2 Related videos
4.2.3 Details
4.2.3.1 How long ago the video was uploaded
4.2.3.2 Show channel videos count
4.2.3.3 Description
4.2.5 Comments
4.3.0 Themes
4.3.1 My colors
4.3.2 Bluelight
4.3.3 Dim
4.3.4 Font
4.3.5 Themes
4.3.6 Schedule
4.4.0 Player
4.4.1 Autoplay
4.4.2 Autopause when switching tabs
4.4.3 Forced playback speed
4.4.4 Subtitles
4.4.5 Up next autoplay
4.4.6 Ads
4.4.7 Custom mini-player
4.4.8 Auto fullscreen
4.4.9 Quality
4.4.10 Avoid CPU rendering when possible
4.4.11 Allow 60fps
4.4.12 Forced volume
4.4.13 Loudness normalization
4.4.14 Screenshot
4.4.15 Repeat
4.4.16 Rotate
4.4.17 Popup player
4.4.18 Force SDR
4.4.19 Hide controls
4.5.0 Playlist
4.5.1 Up next autoplay
4.5.2 Reverse
4.5.3 Repeat
4.5.4 Shuffle
4.6.0 Channel
4.6.1 Default channel tab
4.6.2 "Play all" button
4.7.0 Shortcuts
4.7.1 Quality
4.7.2 Picture in Picture
4.7.3 Toggle control
4.7.4 Play / pause
4.7.5 Stop
4.7.6 Toggle autoplay
4.7.7 Next videos
4.7.8 Previous video
4.7.9 Seek backward
4.7.10 Seek forward
4.7.11 Seek next chapter
4.7.12 Seek previous chapter
4.7.13 Increase volume
4.7.14 Decrease volume
4.7.15 Screenshot
4.7.16 Increase playback speed
4.7.17 Decrease playback speed
4.7.18 Go to search box
4.7.19 Activate fullscreen
4.7.20 Activate captions
4.7.21 Like
4.7.22 Dislike
4.7.23 Subscribe
4.7.24 Dark theme
4.7.25 Custom mini player
4.7.26 Stats for nerds
4.7.27 Toggle cards
4.7.28 Popup player
4.8.0 Blacklist
4.9.0 Analyzer
4.10.0 Settings
4.10.1 ImprovedTube icon
4.10.2 ImprovedTube player buttons
4.10.3 Delete YouTube cookies
4.10.4 YouTube language
4.10.5 Default content country
4.0 Initialization
------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------
1.0 GLOBAL VARIABLE
--------------------------------------------------------------------------------
The variable "ImprovedTube" is used on the YouTube side.
------------------------------------------------------------------------------*/
var ImprovedTube = {
storage: {},
elements: {
buttons: {},
masthead: {},
playlist: {},
livechat: {},
related: {},
comments: {},
collapse_of_subscription_sections: [],
mark_watched_videos: [],
blacklist_buttons: [],
popup_window_buttons: []
},
regex: {
channel: new RegExp('\/(user|channel|c)\/'),
channel_home_page: new RegExp('\/(user|channel|c)\/.+(\/featured)?\/?$'),
channel_home_page_postfix: new RegExp('\/(featured)?\/?$'),
thumbnail_quality: new RegExp('(default\.jpg|mqdefault\.jpg|hqdefault\.jpg|hq720\.jpg|sddefault\.jpg|maxresdefault\.jpg)+'),
video_id: new RegExp('[?&]v=([^&]+)'),
channel_link: new RegExp('https:\/\/www.youtube.com\/(channel|user|c)\/')
},
video_src: false,
initialVideoUpdateDone: false,
latestVideoDuration: 0,
video_url: '',
focus: false,
played_before_blur: false,
played_time: 0,
allow_autoplay: false,
mini_player__mode: false,
mini_player__move: false,
mini_player__cursor: '',
mini_player__x: 0,
mini_player__y: 0,
mini_player__max_x: 0,
mini_player__max_y: 0,
mini_player__original_width: 0,
mini_player__original_height: 0,
mini_player__width: 200,
mini_player__height: 160,
miniPlayer_mouseDown_x: 0,
miniPlayer_mouseDown_y: 0,
mini_player__player_offset_x: 0,
mini_player__player_offset_y: 0,
miniPlayer_resize_offset: 16,
playlistReversed: false,
status_timer: false,
defaultApiKey: 'AIzaSyCXRRCFwKAXOiF1JkUBmibzxJF1cPuKNwA'
};
/*------------------------------------------------------------------------------
3.0
--------------------------------------------------------------------------------
------------------------------------------------------------------------------*/
ImprovedTube.childHandler = function (node) {
var children = node.children;
this.ytElementsHandler(node);
if (children) {
for (var i = 0, l = children.length; i < l; i++) {
ImprovedTube.childHandler(children[i]);
}
}
};
ImprovedTube.ytElementsHandler = function (node) {
var name = node.nodeName,
id = node.id;
if (name === 'A' && node.href) {
if (id === 'logo') {
//ImprovedTube.youtubeHomePage();
}
this.channelDefaultTab(node);
this.markWatchedVideos(node);
this.popupWindowButtons(node);
if (node.className.indexOf('ytd-thumbnail') !== -1) {
this.blacklist('video', node);
}
if (node.href.match(/(channel|user|c)\/([^/]+)/)) {
this.blacklist('channel', node);
}
} else if (name === 'IMG') {
if (node.src) {
this.thumbnailsQuality(node);
} else {
new MutationObserver(function (mutationList) {
for (var i = 0, l = mutationList.length; i < l; i++) {
var mutation = mutationList[i];
if (mutation.type === 'attributes' && mutation.attributeName === 'src') {
ImprovedTube.thumbnailsQuality(mutation.target);
}
}
this.disconnect();
}).observe(node, {
attributes: true,
attributeFilter: ['src'],
childList: false,
subtree: false
});
}
} else if (name === 'YTD-ITEM-SECTION-RENDERER') {
this.collapseOfSubscriptionSections(node);
} else if (name === 'META') {
if (node.getAttribute('itemprop') === 'genre') {
ImprovedTube.genre = node.content;
}
} else if (name === 'YTD-TOGGLE-BUTTON-RENDERER') {
if (
node.parentComponent &&
node.parentComponent.nodeName === 'YTD-MENU-RENDERER' &&
node.parentComponent.parentComponent &&
node.parentComponent.parentComponent.nodeName === 'YTD-PLAYLIST-PANEL-RENDERER'
) {
var index = Array.prototype.indexOf.call(node.parentNode.children, node);
if (index === 0) {
this.elements.playlist.repeat_button = node;
this.playlistRepeat();
this.elements.playlist.actions = node.parentNode.parentNode.parentNode.parentNode;
this.playlistReverse();
} else if (index === 1) {
this.elements.playlist.shuffle_button = node;
this.playlistShuffle();
this.elements.playlist.actions = node.parentNode.parentNode.parentNode.parentNode;
this.playlistReverse();
}
}
} else if (name === 'YTD-GUIDE-SECTION-RENDERER' && !this.elements.sidebar_section) {
this.elements.sidebar_section = node;
this.improvedtubeYoutubeIcon();
} else if (name === 'YTD-VIDEO-PRIMARY-INFO-RENDERER') {
this.elements.video_title = node.querySelector('.title.ytd-video-primary-info-renderer');
this.improvedtubeYoutubeIcon();
this.improvedtubeYoutubeButtonsUnderPlayer();
} else if (name === 'YTD-VIDEO-SECONDARY-INFO-RENDERER') {
this.elements.yt_channel_name = node.querySelector('ytd-channel-name');
this.elements.yt_channel_link = node.querySelector('ytd-channel-name a');
if (document.documentElement.dataset.pageType === 'video') {
this.howLongAgoTheVideoWasUploaded();
this.channelVideosCount();
}
} else if (name === 'YTD-SUBSCRIBE-BUTTON-RENDERER') {
if (node.className.indexOf('ytd-c4-tabbed-header-renderer') !== -1) {
ImprovedTube.blacklist('channel', node);
}
ImprovedTube.elements.subscribe_button = node;
} else if (name === 'YTD-LIVE-CHAT-FRAME') {
this.elements.livechat.chat = node;
this.elements.livechat.button = node.querySelector('ytd-toggle-button-renderer');
if (this.storage.livechat === 'collapsed' && this.elements.livechat.button) {
var interval = setInterval(function () {
if (ImprovedTube.elements.livechat.chat.hasAttribute('collapsed')) {
clearInterval(interval);
} else {
ImprovedTube.livechat();
}
}, 1000);
}
} else if (id === 'related') {
if (node.className.indexOf('ytd-watch-flexy') !== -1) {
this.elements.related.container = node;
this.relatedVideos();
}
} else if (name === 'YTD-COMMENTS-HEADER-RENDERER') {
this.elements.comments.container = node;
this.comments();
} else if (name === 'YTD-MASTHEAD' && !this.elements.masthead) {
this.elements.masthead = {
start: node.querySelector('#start'),
end: node.querySelector('#end'),
logo: node.querySelector('a#logo')
};
this.improvedtubeYoutubeIcon();
this.youtubeHomePage();
} else if (name === 'YTD-PLAYER' && !this.elements.ytd_player) {
ImprovedTube.elements.ytd_player = node;
} else if (id === 'movie_player' && !this.elements.player) {
if (!this.elements.ytd_player) {}
ImprovedTube.elements.player = node;
ImprovedTube.elements.video = node.querySelector('video');
ImprovedTube.elements.player_left_controls = node.querySelector('.ytp-left-controls');
ImprovedTube.elements.player_thumbnail = node.querySelector('.ytp-cued-thumbnail-overlay-image');
ImprovedTube.elements.player_subtitles_button = node.querySelector('.ytp-subtitles-button');
ImprovedTube.playerSize();
new MutationObserver(function (mutationList) {
for (var i = 0, l = mutationList.length; i < l; i++) {
var mutation = mutationList[i];
if (mutation.type === 'childList') {
for (var j = 0, k = mutation.addedNodes.length; j < k; j++) {
var node = mutation.addedNodes[j];
if (node.nodeName === 'DIV' && node.className.indexOf('ytp-ad-player-overlay') !== -1) {
ImprovedTube.playerAds(node);
}
}
}
}
}).observe(node, {
attributes: false,
childList: true,
subtree: true
});
new MutationObserver(function (mutationList) {
for (var i = 0, l = mutationList.length; i < l; i++) {
var mutation = mutationList[i];
if (mutation.type === 'attributes') {
if (mutation.attributeName === 'style') {
ImprovedTube.playerHdThumbnail();
}
}
}
}).observe(ImprovedTube.elements.player_thumbnail, {
attributes: true,
attributeFilter: ['style'],
childList: false,
subtree: false
});
} else if (name === 'YTD-WATCH-FLEXY') {
this.elements.ytd_watch = node;
if (
this.isset(this.storage.player_size) &&
this.storage.player_size !== 'do_not_change'
) {
node.calculateCurrentPlayerSize_ = function () {
if (!this.theater && ImprovedTube.elements.player) {
if (this.updateStyles) {
this.updthisateStyles({
'--ytd-watch-flexy-width-ratio': 1,
'--ytd-watch-flexy-height-ratio': 0.5625
});
this.updateStyles({
'--ytd-watch-width-ratio': 1,
'--ytd-watch-height-ratio': 0.5625
});
}
return {
width: ImprovedTube.elements.player.offsetWidth,
height: Math.round(ImprovedTube.elements.player.offsetWidth / (16 / 9))
};
}
return {
width: NaN,
height: NaN
};
};
node.calculateNormalPlayerSize_ = node.calculateCurrentPlayerSize_;
}
new MutationObserver(function (mutationList) {
for (var i = 0, l = mutationList.length; i < l; i++) {
var mutation = mutationList[i];
if (mutation.type === 'attributes') {
if (mutation.attributeName === 'theater') {
setTimeout(function () {
ImprovedTube.playerSize();
}, 100);
}
}
}
}).observe(node, {
attributes: true,
attributeFilter: ['theater'],
childList: false,
subtree: false
});
} else if (name === 'TP-YT-PAPER-BUTTON') {
if (id === 'more' && node.parentNode.parentNode.id === 'container') {
this.elements.moreButton = node;
this.description();
}
}
};
ImprovedTube.pageType = function () {
if (location.pathname === '/') {
document.documentElement.dataset.pageType = 'home';
} else if (/\/subscriptions\?/.test(location.href)) {
document.documentElement.dataset.pageType = 'subscriptions';
} else if (/\/watch\?/.test(location.href)) {
document.documentElement.dataset.pageType = 'video';
} else if (/\/channel|user|c\//.test(location.href)) {
document.documentElement.dataset.pageType = 'channel';
} else {
document.documentElement.dataset.pageType = 'other';
}
};
ImprovedTube.pageOnFocus = function () {
this.onlyOnePlayerInstancePlaying();
this.playerAutopauseWhenSwitchingTabs();
};
ImprovedTube.videoPageUpdate = function () {
if (document.documentElement.dataset.pageType === 'video') {
var video_id = this.getParam(new URL(location.href).search.substr(1), 'v');
if (this.storage.track_watched_videos === true) {
if (video_id) {
document.dispatchEvent(new CustomEvent('ImprovedTubeWatched', {
detail: {
action: 'set',
id: video_id,
title: document.title
}
}));
}
}
this.initialVideoUpdateDone = true;
this.howLongAgoTheVideoWasUploaded();
this.channelVideosCount();
this.upNextAutoplay();
this.playerAutofullscreen();
this.playerScreenshotButton();
this.playerRepeatButton();
this.playerRotateButton();
this.playerPopupButton();
this.playerControls();
}
};
ImprovedTube.playerOnPlay = function () {
HTMLMediaElement.prototype.play = (function (original) {
return function () {
this.removeEventListener('loadedmetadata', ImprovedTube.playerOnLoadedMetadata);
this.addEventListener('loadedmetadata', ImprovedTube.playerOnLoadedMetadata);
this.removeEventListener('timeupdate', ImprovedTube.playerOnTimeUpdate);
this.addEventListener('timeupdate', ImprovedTube.playerOnTimeUpdate);
this.removeEventListener('pause', ImprovedTube.playerOnPause, true);
this.addEventListener('pause', ImprovedTube.playerOnPause, true);
this.removeEventListener('ended', ImprovedTube.playerOnEnded, true);
this.addEventListener('ended', ImprovedTube.playerOnEnded, true);
ImprovedTube.autoplay(this);
ImprovedTube.playerLoudnessNormalization();
return original.apply(this, arguments);
}
})(HTMLMediaElement.prototype.play);
};
ImprovedTube.initPlayer = function () {
if (ImprovedTube.elements.player && ImprovedTube.video_url !== location.href) {
ImprovedTube.video_url = location.href;
ImprovedTube.played_before_blur = false;
delete ImprovedTube.elements.player.dataset.defaultQuality;
ImprovedTube.forcedPlayVideoFromTheBeginning();
ImprovedTube.forcedTheaterMode();
ImprovedTube.playerPlaybackSpeed(false);
ImprovedTube.subtitles();
ImprovedTube.subtitlesLanguage();
ImprovedTube.subtitlesFontFamily();
ImprovedTube.subtitlesFontColor();
ImprovedTube.subtitlesFontSize();
ImprovedTube.subtitlesBackgroundColor();
ImprovedTube.subtitlesWindowColor();
ImprovedTube.subtitlesWindowOpacity();
ImprovedTube.subtitlesCharacterEdgeStyle();
ImprovedTube.subtitlesFontOpacity();
ImprovedTube.subtitlesBackgroundOpacity();
ImprovedTube.playerQuality();
ImprovedTube.playerVolume();
if (location.href.indexOf('/embed/') === -1) {
ImprovedTube.miniPlayer();
}
}
};
ImprovedTube.playerOnLoadedMetadata = function () {
setTimeout(function () {
ImprovedTube.playerSize();
}, 100);
};
ImprovedTube.playerOnTimeUpdate = function () {
if (ImprovedTube.video_src !== this.src) {
ImprovedTube.video_src = this.src;
if (ImprovedTube.initialVideoUpdateDone !== true) {
ImprovedTube.playerQuality();
}
} else if (ImprovedTube.latestVideoDuration !== this.duration) {
ImprovedTube.latestVideoDuration = this.duration;
ImprovedTube.playerQuality();
}
ImprovedTube.alwaysShowProgressBar();
ImprovedTube.playerRemainingDuration();
ImprovedTube.played_time += .25;
};
ImprovedTube.playerOnPause = function (event) {
ImprovedTube.playlistUpNextAutoplay(event);
if (ImprovedTube.elements.yt_channel_name) {
document.dispatchEvent(new CustomEvent('analyzer', {
detail: {
name: ImprovedTube.elements.yt_channel_name.__data.tooltipText,
time: ImprovedTube.played_time
}
}));
}
ImprovedTube.played_time = 0;
};
ImprovedTube.playerOnEnded = function (event) {
ImprovedTube.playlistUpNextAutoplay(event);
document.dispatchEvent(new CustomEvent('analyzer', {
detail: {
name: ImprovedTube.elements.yt_channel_name.__data.tooltipText,
time: ImprovedTube.played_time
}
}));
ImprovedTube.played_time = 0;
};
ImprovedTube.onkeydown = function () {
window.addEventListener('keydown', function () {
if (
ImprovedTube.elements.player &&
ImprovedTube.elements.player.className.indexOf('ad-showing') === -1
) {
ImprovedTube.allow_autoplay = true;
}
}, true);
};
ImprovedTube.onmousedown = function (event) {
window.addEventListener('mousedown', function (event) {
if (ImprovedTube.elements.player && ImprovedTube.elements.player.className.indexOf('ad-showing') === -1) {
var path = event.composedPath();
for (var i = 0, l = path.length; i < l; i++) {
if (
path[i].className &&
path[i].className.indexOf &&
(
path[i].className.indexOf('html5-main-video') !== -1 ||
path[i].className.indexOf('ytp-play-button') !== -1
)
) {
ImprovedTube.allow_autoplay = true;
}
}
}
}, true);
};
ImprovedTube.getCookieValueByName = function (name) {
var match = document.cookie.match(new RegExp('([; ]' + name + '|^' + name + ')([^\\s;]*)', 'g'));
if (match) {
var cookie = match[0];
return cookie.replace(name + '=', '').replace(' ', '');
} else
return '';
};
ImprovedTube.getParam = function (query, name) {
var params = query.split('&'),
param = false;
for (var i = 0; i < params.length; i++) {
params[i] = params[i].split('=');
if (params[i][0] == name) {
param = params[i][1];
}
}
if (param) {
return param;
} else {
return false;
}
};
ImprovedTube.getParams = function (query) {
var params = query.split('&'),
result = {};
for (var i = 0, l = params.length; i < l; i++) {
params[i] = params[i].split('=');
result[params[i][0]] = params[i][1];
}
return result;
};
ImprovedTube.setCookie = function (name, value) {
var date = new Date();
date.setTime(date.getTime() + 3.154e+10);
document.cookie = name + '=' + value + '; path=/; domain=.youtube.com; expires=' + date.toGMTString();
};
ImprovedTube.createPlayerButton = function (options) {
var controls = this.elements.player_left_controls;
if (controls) {
var button = document.createElement('button');
button.className = 'ytp-button it-player-button';
button.dataset.title = options.title;
button.addEventListener('mouseover', function () {
var tooltip = document.createElement('div'),
rect = this.getBoundingClientRect();
tooltip.className = 'it-player-button--tooltip';
tooltip.style.left = rect.left + rect.width / 2 + 'px';
tooltip.style.top = rect.top - 8 + 'px';
tooltip.textContent = this.dataset.title;
function mouseleave() {
tooltip.remove();
this.removeEventListener('mouseleave', mouseleave);
}
this.addEventListener('mouseleave', mouseleave);
document.body.appendChild(tooltip);
});
if (options.id) {
if (this.elements.buttons[options.id]) {
this.elements.buttons[options.id].remove();
}
button.id = options.id;
this.elements.buttons[options.id] = button;
}
if (options.child) {
button.appendChild(options.child);
}
button.style.opacity = options.opacity || '.5';
if (options.onclick) {
button.onclick = options.onclick;
}
controls.insertBefore(button, controls.childNodes[3]);
}
};
ImprovedTube.empty = function (element) {
for (var i = element.childNodes.length - 1; i > -1; i--) {
element.childNodes[i].remove();
}
};
ImprovedTube.isset = function (variable) {
return !(typeof variable === 'undefined' || variable === null || variable === 'null');
};
ImprovedTube.stopPropagation = function (event) {
event.stopPropagation();
};
ImprovedTube.showStatus = function (value) {
if (!this.elements.status) {
this.elements.status = document.createElement('div');
this.elements.status.id = 'it-status';
}
if (typeof value === 'number') {
value = value.toFixed(2);
}
this.elements.status.textContent = value;
if (ImprovedTube.status_timer) {
clearTimeout(ImprovedTube.status_timer);
}
ImprovedTube.status_timer = setTimeout(function () {
ImprovedTube.elements.status.remove();
}, 500);
this.elements.player.appendChild(this.elements.status);
};
/*------------------------------------------------------------------------------
4.0 FEATURES
--------------------------------------------------------------------------------
------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------
4.1.0 GENERAL
------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------
4.1.1 YOUTUBE HOME PAGE
------------------------------------------------------------------------------*/
ImprovedTube.youtubeHomePage = function () {
var element = this.elements.masthead.logo,
option = this.storage.youtube_home_page;
if (element) {
if (this.isset(option)) {
element.href = option;
element.addEventListener('click', this.stopPropagation, true);
} else {
element.href = '/';
element.removeEventListener('click', this.stopPropagation);
}
}
};
/*------------------------------------------------------------------------------
4.1.2 COLLAPSE OF SUBSCRIPTION SECTION
------------------------------------------------------------------------------*/
ImprovedTube.collapseOfSubscriptionSections = function (node) {
if (this.isset(node) === false) {
var sections = document.querySelectorAll('ytd-item-section-renderer');
for (var i = 0, l = sections.length; i < l; i++) {
this.collapseOfSubscriptionSections(sections[i]);
}
return;
}
if (this.storage.collapse_of_subscription_sections === true) {
if (location.href.indexOf('feed/subscriptions') !== -1) {
var h2 = node.querySelector('h2');
if (!node.querySelector('.it-section-collapse') && h2) {
var button = document.createElement('button'),
svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg'),
path = document.createElementNS('http://www.w3.org/2000/svg', 'path');
button.className = 'it-button-section-collapse';
button.section = node;
button.content = node.querySelector('.grid-subheader + #contents');
button.addEventListener('click', function () {
var section = this.section;
if (section.className.indexOf('it-section-collapsed') === -1) {
this.content.style.height = this.content.offsetHeight + 'px';
this.content.style.transition = 'height 150ms';
}
setTimeout(function () {
section.classList.toggle('it-section-collapsed');
});
});
svg.setAttributeNS(null, 'viewBox', '0 0 24 24');
path.setAttributeNS(null, 'd', 'M7.4 15.4l4.6-4.6 4.6 4.6L18 14l-6-6-6 6z');
svg.appendChild(path);
button.appendChild(svg);
h2.parentNode.insertBefore(button, h2.nextSibling);
this.elements.collapse_of_subscription_sections.push(button);
}
}
} else {
var elements = this.elements.collapse_of_subscription_sections;
for (var i = 0, l = elements.length; i < l; i++) {
var element = elements[i];
if (element.section) {
element.section.classList.remove('it-section-collapsed');
}
if (element.content) {
element.content.style.height = '';
element.content.style.transition = '';
}
element.remove();
}
}
};
/*------------------------------------------------------------------------------
4.1.3 ADD "SCROLL TO TOP"
------------------------------------------------------------------------------*/
ImprovedTube.addScrollToTop = function () {
if (this.storage.add_scroll_to_top === true) {
var button = document.createElement('div'),
svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg'),
path = document.createElementNS('http://www.w3.org/2000/svg', 'path');
button.id = 'it-scroll-to-top';
button.addEventListener('click', function () {
window.scrollTo(0, 0);
});
button.scroll = function () {
if (window.scrollY > window.innerHeight / 2) {
document.documentElement.setAttribute('it-show-scroll-to-top', true);
} else {
document.documentElement.setAttribute('it-show-scroll-to-top', false);
}
};
svg.setAttributeNS(null, 'viewBox', '0 0 24 24');
path.setAttributeNS(null, 'd', 'M13 19V7.8l4.9 5c.4.3 1 .3 1.4 0 .4-.5.4-1.1 0-1.5l-6.6-6.6a1 1 0 0 0-1.4 0l-6.6 6.6a1 1 0 1 0 1.4 1.4L11 7.8V19c0 .6.5 1 1 1s1-.5 1-1z');
svg.appendChild(path);
button.appendChild(svg);
document.body.appendChild(button);
window.addEventListener('scroll', button.scroll);
this.elements.scroll_to_top = button;
} else if (this.elements.scroll_to_top) {
window.removeEventListener('scroll', this.elements.scroll_to_top.scroll);
this.elements.scroll_to_top.remove();
}
};
/*------------------------------------------------------------------------------
4.1.4 CONFIRMATION BEFORE CLOSING
------------------------------------------------------------------------------*/
ImprovedTube.confirmationBeforeClosing = function () {
window.onbeforeunload = function () {
if (ImprovedTube.storage.confirmation_before_closing === true) {
return 'You have attempted to leave this page. Are you sure?';
}
};
};
/*------------------------------------------------------------------------------
4.1.5 MARK WATCHED VIDEOS
------------------------------------------------------------------------------*/
ImprovedTube.markWatchedVideos = function (node) {
if (this.isset(node) === false) {
var thumbnails = document.querySelectorAll('#thumbnail.ytd-thumbnail,.thumb-link');
for (var i = 0, l = thumbnails.length; i < l; i++) {
this.markWatchedVideos(thumbnails[i]);
}
return;
}
if (this.storage.mark_watched_videos === true) {
if (
node.id === 'thumbnail' && node.className.indexOf('ytd-thumbnail') !== -1 ||
node.className.indexOf('thumb-link') !== -1
) {
var button = document.createElement('button'),
svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg'),
path = document.createElementNS('http://www.w3.org/2000/svg', 'path');
button.className = 'it-mark-watched' + (this.storage.watched && this.storage.watched[this.getParam(new URL(node.href || 'https://www.youtube.com/').search.substr(1), 'v')] ? ' watched' : '');
button.addEventListener('click', function (event) {
var watched = !this.classList.contains('watched');
event.preventDefault();
event.stopPropagation();
this.classList.toggle('watched');
try {
var video_id = ImprovedTube.getParam(new URL(this.parentNode.href).search.substr(1), 'v'),
item = this.parentNode;
while (
item.nodeName &&
item.nodeName !== 'YTD-RICH-ITEM-RENDERER' &&
item.nodeName !== 'YTD-COMPACT-VIDEO-RENDERER' &&
item.nodeName !== 'YTD-GRID-VIDEO-RENDERER' &&
item.classList &&
!item.classList.contains('yt-shelf-grid-item') &&
!item.classList.contains('video-list-item')
) {
item = item.parentNode;
}
if (!ImprovedTube.storage.watched) {
ImprovedTube.storage.watched = {};
}
if (watched === true) {
ImprovedTube.storage.watched[video_id] = {
title: item.querySelector('#video-title').innerText
};
document.dispatchEvent(new CustomEvent('ImprovedTubeWatched', {
detail: {
action: 'set',
id: video_id,
title: item.querySelector('#video-title').innerText
}
}));
} else if (ImprovedTube.storage.watched[video_id]) {
delete ImprovedTube.storage.watched[video_id];
document.dispatchEvent(new CustomEvent('ImprovedTubeWatched', {
detail: {
action: 'remove',
id: video_id
}
}));
}
} catch (err) {}
});
svg.setAttributeNS(null, 'viewBox', '0 0 24 24');
path.setAttributeNS(null, 'd', 'M12 4.5C7 4.5 2.7 7.6 1 12a11.8 11.8 0 0022 0c-1.7-4.4-6-7.5-11-7.5zM12 17a5 5 0 110-10 5 5 0 010 10zm0-8a3 3 0 100 6 3 3 0 000-6z');
svg.appendChild(path);