mirror of
https://github.com/SoPat712/videospeed.git
synced 2025-08-21 09:58:45 -04:00
601 lines
20 KiB
JavaScript
601 lines
20 KiB
JavaScript
var regStrip = /^[\r\t\f\v ]+|[\r\t\f\v ]+$/gm;
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var tc = {
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settings: {
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lastSpeed: 1.0, // default 1x
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enabled: true, // default enabled
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speeds: {}, // empty object to hold speed for each source
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displayKeyCode: 86, // default: V
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rememberSpeed: false, // default: false
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audioBoolean: false, // default: false
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startHidden: false, // default: false
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controllerOpacity: 0.3, // default: 0.3
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keyBindings: [],
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blacklist: `
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www.instagram.com
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twitter.com
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vine.co
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imgur.com
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teams.microsoft.com
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`.replace(regStrip,'')
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}
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};
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chrome.storage.sync.get(tc.settings, function (storage) {
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tc.settings.keyBindings = storage.keyBindings; // Array
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if (storage.keyBindings.length == 0) // if first initialization of 0.5.3
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{
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// UPDATE
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tc.settings.keyBindings.push({
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action: "slower",
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key: Number(storage.slowerKeyCode) || 83,
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value: Number(storage.speedStep) || 0.1,
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force: false,
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predefined: true
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}); // default S
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tc.settings.keyBindings.push({
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action: "faster",
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key: Number(storage.fasterKeyCode) || 68,
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value: Number(storage.speedStep) || 0.1,
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force: false,
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predefined: true
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}); // default: D
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tc.settings.keyBindings.push({
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action: "rewind",
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key: Number(storage.rewindKeyCode) || 90,
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value: Number(storage.rewindTime) || 10,
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force: false,
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predefined: true
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}); // default: Z
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tc.settings.keyBindings.push({
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action: "advance",
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key: Number(storage.advanceKeyCode) || 88,
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value: Number(storage.advanceTime) || 10,
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force: false,
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predefined: true
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}); // default: X
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tc.settings.keyBindings.push({
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action: "reset",
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key: Number(storage.resetKeyCode) || 82,
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value: 1.0,
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force: false,
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predefined: true
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}); // default: R
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tc.settings.keyBindings.push({
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action: "fast",
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key: Number(storage.fastKeyCode) || 71,
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value: Number(storage.fastSpeed) || 1.8,
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force: false,
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predefined: true
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}); // default: G
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tc.settings.version = "0.5.3";
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chrome.storage.sync.set({
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keyBindings: tc.settings.keyBindings,
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version: tc.settings.version,
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displayKeyCode: tc.settings.displayKeyCode,
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rememberSpeed: tc.settings.rememberSpeed,
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audioBoolean: tc.settings.audioBoolean,
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startHidden: tc.settings.startHidden,
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enabled: tc.settings.enabled,
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controllerOpacity: tc.settings.controllerOpacity,
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blacklist: tc.settings.blacklist.replace(regStrip, '')
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});
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}
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tc.settings.lastSpeed = Number(storage.lastSpeed);
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tc.settings.displayKeyCode = Number(storage.displayKeyCode);
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tc.settings.rememberSpeed = Boolean(storage.rememberSpeed);
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tc.settings.audioBoolean = Boolean(storage.audioBoolean);
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tc.settings.enabled = Boolean(storage.enabled);
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tc.settings.startHidden = Boolean(storage.startHidden);
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tc.settings.controllerOpacity = Number(storage.controllerOpacity);
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tc.settings.blacklist = String(storage.blacklist);
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initializeWhenReady(document);
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});
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var forEach = Array.prototype.forEach;
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function getKeyBindings(action, what = "value") {
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try {
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return tc.settings.keyBindings.find(item => item.action === action)[what];
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} catch (e) {
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return false;
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}
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}
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function setKeyBindings(action, value) {
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tc.settings.keyBindings.find(item => item.action === action)["value"] = value;
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}
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function defineVideoController() {
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tc.videoController = function(target, parent) {
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if (target.dataset['vscid']) {
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return target.vsc;
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}
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this.video = target;
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this.parent = target.parentElement || parent;
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this.document = target.ownerDocument;
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this.id = Math.random().toString(36).substr(2, 9);
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// settings.speeds[] ensures that same source used across video tags (e.g. fullscreen on YT) retains speed setting
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// this.speed is a controller level variable that retains speed setting across source switches (e.g. video quality, playlist change)
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this.speed = 1.0;
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if (!tc.settings.rememberSpeed) {
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if (!tc.settings.speeds[target.currentSrc]) {
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tc.settings.speeds[target.currentSrc] = this.speed;
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}
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setKeyBindings("reset", getKeyBindings("fast")); // resetSpeed = fastSpeed
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} else {
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tc.settings.speeds[target.currentSrc] = tc.settings.lastSpeed;
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}
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target.playbackRate = tc.settings.speeds[target.currentSrc];
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this.div=this.initializeControls();
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target.addEventListener('play', this.handlePlay = function(event) {
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if (!tc.settings.rememberSpeed) {
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if (!tc.settings.speeds[target.currentSrc]) {
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tc.settings.speeds[target.currentSrc] = this.speed;
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}
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setKeyBindings("reset", getKeyBindings("fast")); // resetSpeed = fastSpeed
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} else {
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tc.settings.speeds[target.currentSrc] = tc.settings.lastSpeed;
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}
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target.playbackRate = tc.settings.speeds[target.currentSrc];
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}.bind(this));
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target.addEventListener('ratechange', this.handleRatechange = function(event) {
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// Ignore ratechange events on unitialized videos.
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// 0 == No information is available about the media resource.
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if (event.target.readyState > 0) {
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var speed = this.getSpeed();
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this.speedIndicator.textContent = speed;
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tc.settings.speeds[this.video.currentSrc] = speed;
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tc.settings.lastSpeed = speed;
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this.speed = speed;
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chrome.storage.sync.set({'lastSpeed': speed}, function() {
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console.log('Speed setting saved: ' + speed);
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});
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}
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}.bind(this));
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var observer=new MutationObserver((mutations) => {
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mutations.forEach((mutation) => {
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if (mutation.type === 'attributes' && (mutation.attributeName === 'src' || mutation.attributeName === 'currentSrc')){
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var controller = document.querySelector(`div[data-vscid="${this.id}"]`);
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if(!controller){
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return;
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}
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if (!mutation.target.currentSrc) {
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controller.classList.add('vsc-nosource');
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} else {
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controller.classList.remove('vsc-nosource');
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}
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}
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});
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});
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observer.observe(target, {
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attributeFilter: ["src", "currentSrc"]
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});
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};
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tc.videoController.prototype.getSpeed = function() {
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return parseFloat(this.video.playbackRate).toFixed(2);
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}
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tc.videoController.prototype.remove = function() {
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this.div.remove();
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this.video.removeEventListener('play',this.handlePlay);
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this.video.removeEventListener('ratechange',this.handleRatechange);
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delete this.video.dataset['vscid'];
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delete this.video.vsc;
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}
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tc.videoController.prototype.initializeControls = function() {
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var document = this.document;
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var speed = parseFloat(tc.settings.speeds[this.video.currentSrc]).toFixed(2),
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top = Math.max(this.video.offsetTop, 0) + "px",
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left = Math.max(this.video.offsetLeft, 0) + "px";
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var wrapper = document.createElement('div');
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wrapper.classList.add('vsc-controller');
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wrapper.dataset['vscid'] = this.id;
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if (!this.video.currentSrc) {
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wrapper.classList.add('vsc-nosource');
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}
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if (tc.settings.startHidden) {
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wrapper.classList.add('vsc-hidden');
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}
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var shadow = wrapper.attachShadow({ mode: 'open' });
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var shadowTemplate = `
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<style>
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@import "${chrome.runtime.getURL('shadow.css')}";
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</style>
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<div id="controller" style="top:${top}; left:${left}; opacity:${tc.settings.controllerOpacity}">
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<span data-action="drag" class="draggable">${speed}</span>
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<span id="controls">
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<button data-action="rewind" class="rw">«</button>
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<button data-action="slower">-</button>
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<button data-action="faster">+</button>
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<button data-action="advance" class="rw">»</button>
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<button data-action="display" class="hideButton">x</button>
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</span>
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</div>
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`;
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shadow.innerHTML = shadowTemplate;
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shadow.querySelector('.draggable').addEventListener('mousedown', (e) => {
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runAction(e.target.dataset['action'], document, false, e);
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});
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forEach.call(shadow.querySelectorAll('button'), function(button) {
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button.onclick = (e) => {
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runAction(e.target.dataset['action'], document, getKeyBindings(e.target.dataset['action']), e);
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}
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});
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this.speedIndicator = shadow.querySelector('span');
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var fragment = document.createDocumentFragment();
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fragment.appendChild(wrapper);
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this.video.dataset['vscid'] = this.id;
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switch (true) {
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case (location.hostname == 'www.amazon.com'):
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case (location.hostname == 'www.reddit.com'):
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case (/hbogo\./).test(location.hostname):
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// insert before parent to bypass overlay
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this.parent.parentElement.insertBefore(fragment, this.parent);
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break;
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default:
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// Note: when triggered via a MutationRecord, it's possible that the
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// target is not the immediate parent. This appends the controller as
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// the first element of the target, which may not be the parent.
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this.parent.insertBefore(fragment, this.parent.firstChild);
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}
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return wrapper;
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}
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}
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function initializeWhenReady(document) {
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escapeStringRegExp.matchOperatorsRe = /[|\\{}()[\]^$+*?.]/g;
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function escapeStringRegExp(str) {
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return str.replace(escapeStringRegExp.matchOperatorsRe, '\\$&');
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}
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var blacklisted = false;
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tc.settings.blacklist.split("\n").forEach(match => {
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match = match.replace(regStrip,'')
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if (match.length == 0) {
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return;
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}
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var regexp = new RegExp(escapeStringRegExp(match));
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if (regexp.test(location.href)) {
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blacklisted = true;
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return;
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}
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})
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if (blacklisted)
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return;
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window.onload = () => {
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initializeNow(window.document)
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};
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if (document) {
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if (document.readyState === "complete") {
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initializeNow(document);
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} else {
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document.onreadystatechange = () => {
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if (document.readyState === "complete") {
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initializeNow(document);
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}
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}
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}
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}
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}
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function inIframe () {
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try {
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return window.self !== window.top;
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} catch (e) {
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return true;
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}
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}
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function initializeNow(document) {
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if (!tc.settings.enabled) return;
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// enforce init-once due to redundant callers
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if (!document.body || document.body.classList.contains('vsc-initialized')) {
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return;
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}
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document.body.classList.add('vsc-initialized');
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if (document === window.document) {
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defineVideoController();
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} else {
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var link = document.createElement('link');
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link.href = chrome.runtime.getURL('inject.css');
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link.type = 'text/css';
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link.rel = 'stylesheet';
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document.head.appendChild(link);
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}
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var docs = Array(document)
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try {
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if (inIframe())
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docs.push(window.top.document);
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} catch (e) {
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}
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docs.forEach(function(doc) {
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doc.addEventListener('keydown', function(event) {
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var keyCode = event.keyCode;
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// Ignore if following modifier is active.
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if (!event.getModifierState
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|| event.getModifierState("Alt")
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|| event.getModifierState("Control")
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|| event.getModifierState("Fn")
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|| event.getModifierState("Meta")
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|| event.getModifierState("Hyper")
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|| event.getModifierState("OS")) {
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return;
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}
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// Ignore keydown event if typing in an input box
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if (document.activeElement.nodeName === 'INPUT'
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|| document.activeElement.nodeName === 'TEXTAREA'
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|| document.activeElement.isContentEditable) {
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return false;
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}
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// Ignore keydown event if typing in a page without vsc
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if (!document.querySelector(".vsc-controller")) {
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return false;
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}
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if (keyCode == tc.settings.displayKeyCode) {
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runAction('display', document, true)
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}
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var item = tc.settings.keyBindings.find(item => item.key === keyCode);
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if (item) {
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runAction(item.action, document, item.value);
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if (item.force === "true") {// disable websites key bindings
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event.preventDefault();
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event.stopPropagation();
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}
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}
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return false;
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}, true);
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});
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function checkForVideo(node, parent, added) {
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// Only proceed with supposed removal if node is missing from DOM
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if (!added && document.body.contains(node)) {
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return;
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}
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if (node.nodeName === 'VIDEO' || (node.nodeName === 'AUDIO' && tc.settings.audioBoolean)) {
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if (added) {
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node.vsc = new tc.videoController(node, parent);
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} else {
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let id = node.dataset['vscid'];
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if (id) {
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node.vsc.remove();
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}
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}
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} else if (node.children != undefined) {
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for (var i = 0; i < node.children.length; i++) {
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const child = node.children[i];
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checkForVideo(child, child.parentNode || parent, added);
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}
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}
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}
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var observer = new MutationObserver(function(mutations) {
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// Process the DOM nodes lazily
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requestIdleCallback(_ => {
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mutations.forEach(function(mutation) {
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forEach.call(mutation.addedNodes, function(node) {
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if (typeof node === "function")
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return;
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checkForVideo(node, node.parentNode || mutation.target, true);
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});
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forEach.call(mutation.removedNodes, function(node) {
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if (typeof node === "function")
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return;
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checkForVideo(node, node.parentNode || mutation.target, false);
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});
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});
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}, {timeout: 1000});
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});
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observer.observe(document, { childList: true, subtree: true });
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if (tc.settings.audioBoolean) {
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var mediaTags = document.querySelectorAll('video,audio');
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} else {
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var mediaTags = document.querySelectorAll('video');
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}
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forEach.call(mediaTags, function(video) {
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video.vsc = new tc.videoController(video);
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});
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var frameTags = document.getElementsByTagName('iframe');
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forEach.call(frameTags, function(frame) {
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// Ignore frames we don't have permission to access (different origin).
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try { var childDocument = frame.contentDocument } catch (e) { return }
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initializeWhenReady(childDocument);
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});
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}
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function runAction(action, document, value, e) {
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if (tc.settings.audioBoolean) {
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var mediaTags = document.querySelectorAll('video,audio');
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} else {
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var mediaTags = document.querySelectorAll('video');
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}
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mediaTags.forEach = Array.prototype.forEach;
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// Get the controller that was used if called from a button press event e
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if (e) {
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var targetController = e.target.getRootNode().host;
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}
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mediaTags.forEach(function(v) {
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var id = v.dataset['vscid'];
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var controller = document.querySelector(`div[data-vscid="${id}"]`);
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// Don't change video speed if the video has a different controller
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if (e && !(targetController == controller)) {
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return;
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}
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// Controller may have been (force) removed by the site, guard to prevent crashes but run the command
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if (controller) {
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showController(controller);
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}
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if (!v.classList.contains('vsc-cancelled')) {
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if (action === 'rewind') {
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v.currentTime -= value;
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} else if (action === 'advance') {
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v.currentTime += value;
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} else if (action === 'faster') {
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// Maximum playback speed in Chrome is set to 16:
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// https://cs.chromium.org/chromium/src/third_party/blink/renderer/core/html/media/html_media_element.cc?gsn=kMinRate&l=166
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var s = Math.min((v.playbackRate < 0.1 ? 0.0 : v.playbackRate) + value, 16);
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v.playbackRate = Number(s.toFixed(2));
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} else if (action === 'slower') {
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// Video min rate is 0.0625:
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// https://cs.chromium.org/chromium/src/third_party/blink/renderer/core/html/media/html_media_element.cc?gsn=kMinRate&l=165
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var s = Math.max(v.playbackRate - value, 0.07);
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v.playbackRate = Number(s.toFixed(2));
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} else if (action === 'reset') {
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resetSpeed(v, 1.0);
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} else if (action === 'display') {
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controller.classList.add('vsc-manual');
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controller.classList.toggle('vsc-hidden');
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} else if (action === 'drag') {
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handleDrag(v, controller, e);
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} else if (action === 'fast') {
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resetSpeed(v, value);
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} else if (action === 'pause') {
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pause(v);
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} else if (action === 'muted') {
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muted(v, value);
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} else if (action === 'mark') {
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setMark(v);
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} else if (action === 'jump') {
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jumpToMark(v);
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}
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}
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});
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}
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function pause(v) {
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if (v.paused) {
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v.play();
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} else {
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v.pause();
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}
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}
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function resetSpeed(v, target) {
|
|
if (v.playbackRate === target) {
|
|
if (v.playbackRate === getKeyBindings("reset")) { // resetSpeed
|
|
if (target !== 1.0) {
|
|
v.playbackRate = 1.0;
|
|
} else {
|
|
v.playbackRate = getKeyBindings("fast"); // fastSpeed
|
|
}
|
|
} else {
|
|
v.playbackRate = getKeyBindings("reset"); // resetSpeed
|
|
}
|
|
} else {
|
|
setKeyBindings("reset", v.playbackRate); // resetSpeed
|
|
v.playbackRate = target;
|
|
}
|
|
}
|
|
|
|
function muted(v, value) {
|
|
v.muted = v.muted !== true;
|
|
}
|
|
|
|
function setMark(v) {
|
|
v.vsc.mark = v.currentTime;
|
|
}
|
|
|
|
function jumpToMark(v) {
|
|
if (v.vsc.mark && typeof v.vsc.mark === "number") {
|
|
v.currentTime = v.vsc.mark;
|
|
}
|
|
}
|
|
|
|
function handleDrag(video, controller, e) {
|
|
const shadowController = controller.shadowRoot.querySelector('#controller');
|
|
|
|
// Find nearest parent of same size as video parent.
|
|
var parentElement = controller.parentElement;
|
|
while (parentElement.parentNode &&
|
|
parentElement.parentNode.offsetHeight === parentElement.offsetHeight &&
|
|
parentElement.parentNode.offsetWidth === parentElement.offsetWidth) {
|
|
parentElement = parentElement.parentNode;
|
|
}
|
|
|
|
video.classList.add('vcs-dragging');
|
|
shadowController.classList.add('dragging');
|
|
|
|
const initialMouseXY = [e.clientX, e.clientY];
|
|
const initialControllerXY = [
|
|
parseInt(shadowController.style.left),
|
|
parseInt(shadowController.style.top)
|
|
];
|
|
|
|
const startDragging = (e) => {
|
|
let style = shadowController.style;
|
|
let dx = e.clientX - initialMouseXY[0];
|
|
let dy = e.clientY -initialMouseXY[1];
|
|
style.left = (initialControllerXY[0] + dx) + 'px';
|
|
style.top = (initialControllerXY[1] + dy) + 'px';
|
|
}
|
|
|
|
const stopDragging = () => {
|
|
parentElement.removeEventListener('mousemove', startDragging);
|
|
parentElement.removeEventListener('mouseup', stopDragging);
|
|
parentElement.removeEventListener('mouseleave', stopDragging);
|
|
|
|
shadowController.classList.remove('dragging');
|
|
video.classList.remove('vcs-dragging');
|
|
}
|
|
|
|
parentElement.addEventListener('mouseup',stopDragging);
|
|
parentElement.addEventListener('mouseleave',stopDragging);
|
|
parentElement.addEventListener('mousemove', startDragging);
|
|
}
|
|
|
|
var timer;
|
|
var animation = false;
|
|
function showController(controller) {
|
|
controller.classList.add('vcs-show');
|
|
|
|
if (animation)
|
|
clearTimeout(timer);
|
|
|
|
animation = true;
|
|
timer = setTimeout(function() {
|
|
controller.classList.remove('vcs-show');
|
|
animation = false;
|
|
}, 2000);
|
|
}
|