787 lines
22 KiB
JavaScript
787 lines
22 KiB
JavaScript
/* The MIT License (MIT)
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Copyright (c) 2014-2015 Benoit Tremblay <trembl.ben@gmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE. */
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/*global define, YT*/
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(function (root, factory) {
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if (typeof exports === 'object' && typeof module !== 'undefined') {
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var videojs = require('video.js');
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module.exports = factory(videojs.default || videojs);
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} else if (typeof define === 'function' && define.amd) {
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define(['videojs'], function (videojs) {
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return (root.Youtube = factory(videojs));
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});
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} else {
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root.Youtube = factory(root.videojs);
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}
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})(this, function (videojs) {
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'use strict';
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var _isOnMobile = videojs.browser.IS_IOS || videojs.browser.IS_NATIVE_ANDROID;
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var Tech = videojs.getTech('Tech');
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var Youtube = videojs.extend(Tech, {
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constructor: function (options, ready) {
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Tech.call(this, options, ready);
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this.setPoster(options.poster);
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this.setSrc(this.options_.source, true);
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// Set the vjs-youtube class to the player
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// Parent is not set yet so we have to wait a tick
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this.setTimeout(
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function () {
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if (this.el_) {
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this.el_.parentNode.className += ' vjs-youtube';
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if (_isOnMobile) {
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this.el_.parentNode.className += ' vjs-youtube-mobile';
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}
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if (Youtube.isApiReady) {
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this.initYTPlayer();
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} else {
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Youtube.apiReadyQueue.push(this);
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}
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}
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}.bind(this)
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);
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},
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dispose: function () {
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if (this.ytPlayer) {
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//Dispose of the YouTube Player
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if (this.ytPlayer.stopVideo) {
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this.ytPlayer.stopVideo();
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}
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if (this.ytPlayer.destroy) {
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this.ytPlayer.destroy();
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}
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} else {
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//YouTube API hasn't finished loading or the player is already disposed
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var index = Youtube.apiReadyQueue.indexOf(this);
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if (index !== -1) {
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Youtube.apiReadyQueue.splice(index, 1);
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}
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}
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this.ytPlayer = null;
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this.el_.parentNode.className = this.el_.parentNode.className.replace(' vjs-youtube', '').replace(' vjs-youtube-mobile', '');
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this.el_.parentNode.removeChild(this.el_);
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//Needs to be called after the YouTube player is destroyed, otherwise there will be a null reference exception
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Tech.prototype.dispose.call(this);
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},
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createEl: function () {
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var div = document.createElement('div');
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div.setAttribute('id', this.options_.techId);
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div.setAttribute('style', 'width:100%;height:100%;top:0;left:0;position:absolute');
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div.setAttribute('class', 'vjs-tech');
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var divWrapper = document.createElement('div');
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divWrapper.appendChild(div);
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if (!_isOnMobile && !this.options_.ytControls) {
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var divBlocker = document.createElement('div');
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divBlocker.setAttribute('class', 'vjs-iframe-blocker');
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divBlocker.setAttribute('style', 'position:absolute;top:0;left:0;width:100%;height:100%');
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// In case the blocker is still there and we want to pause
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divBlocker.onclick = function () {
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this.pause();
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}.bind(this);
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divWrapper.appendChild(divBlocker);
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}
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return divWrapper;
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},
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initYTPlayer: function () {
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var playerVars = {
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controls: 0,
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modestbranding: 1,
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rel: 0,
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showinfo: 0,
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loop: this.options_.loop ? 1 : 0,
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};
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// Let the user set any YouTube parameter
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// https://developers.google.com/youtube/player_parameters?playerVersion=HTML5#Parameters
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// To use YouTube controls, you must use ytControls instead
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// To use the loop or autoplay, use the video.js settings
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if (typeof this.options_.autohide !== 'undefined') {
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playerVars.autohide = this.options_.autohide;
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}
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if (typeof this.options_['cc_load_policy'] !== 'undefined') {
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playerVars['cc_load_policy'] = this.options_['cc_load_policy'];
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}
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if (typeof this.options_.ytControls !== 'undefined') {
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playerVars.controls = this.options_.ytControls;
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}
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if (typeof this.options_.disablekb !== 'undefined') {
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playerVars.disablekb = this.options_.disablekb;
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}
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if (typeof this.options_.color !== 'undefined') {
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playerVars.color = this.options_.color;
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}
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if (!playerVars.controls) {
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// Let video.js handle the fullscreen unless it is the YouTube native controls
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playerVars.fs = 0;
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} else if (typeof this.options_.fs !== 'undefined') {
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playerVars.fs = this.options_.fs;
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}
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if (this.options_.source.src.indexOf('end=') !== -1) {
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var srcEndTime = this.options_.source.src.match(/end=([0-9]*)/);
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this.options_.end = parseInt(srcEndTime[1]);
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}
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if (typeof this.options_.end !== 'undefined') {
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playerVars.end = this.options_.end;
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}
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if (typeof this.options_.hl !== 'undefined') {
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playerVars.hl = this.options_.hl;
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} else if (typeof this.options_.language !== 'undefined') {
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// Set the YouTube player on the same language than video.js
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playerVars.hl = this.options_.language.substr(0, 2);
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}
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if (typeof this.options_['iv_load_policy'] !== 'undefined') {
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playerVars['iv_load_policy'] = this.options_['iv_load_policy'];
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}
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if (typeof this.options_.list !== 'undefined') {
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playerVars.list = this.options_.list;
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} else if (this.url && typeof this.url.listId !== 'undefined') {
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playerVars.list = this.url.listId;
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}
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if (typeof this.options_.listType !== 'undefined') {
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playerVars.listType = this.options_.listType;
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}
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if (typeof this.options_.modestbranding !== 'undefined') {
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playerVars.modestbranding = this.options_.modestbranding;
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}
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if (typeof this.options_.playlist !== 'undefined') {
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playerVars.playlist = this.options_.playlist;
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}
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if (typeof this.options_.playsinline !== 'undefined') {
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playerVars.playsinline = this.options_.playsinline;
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}
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if (typeof this.options_.rel !== 'undefined') {
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playerVars.rel = this.options_.rel;
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}
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if (typeof this.options_.showinfo !== 'undefined') {
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playerVars.showinfo = this.options_.showinfo;
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}
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if (this.options_.source.src.indexOf('start=') !== -1) {
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var srcStartTime = this.options_.source.src.match(/start=([0-9]*)/);
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this.options_.start = parseInt(srcStartTime[1]);
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}
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if (typeof this.options_.start !== 'undefined') {
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playerVars.start = this.options_.start;
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}
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if (typeof this.options_.theme !== 'undefined') {
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playerVars.theme = this.options_.theme;
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}
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// Allow undocumented options to be passed along via customVars
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if (typeof this.options_.customVars !== 'undefined') {
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var customVars = this.options_.customVars;
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Object.keys(customVars).forEach(function (key) {
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playerVars[key] = customVars[key];
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});
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}
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this.activeVideoId = this.url ? this.url.videoId : null;
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this.activeList = playerVars.list;
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var playerConfig = {
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videoId: this.activeVideoId,
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playerVars: playerVars,
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events: {
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onReady: this.onPlayerReady.bind(this),
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onPlaybackQualityChange: this.onPlayerPlaybackQualityChange.bind(this),
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onPlaybackRateChange: this.onPlayerPlaybackRateChange.bind(this),
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onStateChange: this.onPlayerStateChange.bind(this),
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onVolumeChange: this.onPlayerVolumeChange.bind(this),
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onError: this.onPlayerError.bind(this),
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},
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};
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if (typeof this.options_.enablePrivacyEnhancedMode !== 'undefined' && this.options_.enablePrivacyEnhancedMode) {
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playerConfig.host = 'https://www.youtube-nocookie.com';
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}
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this.ytPlayer = new YT.Player(this.options_.techId, playerConfig);
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},
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onPlayerReady: function () {
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if (this.options_.muted) {
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this.ytPlayer.mute();
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}
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var playbackRates = this.ytPlayer.getAvailablePlaybackRates();
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if (playbackRates.length > 1) {
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this.featuresPlaybackRate = true;
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}
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this.playerReady_ = true;
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this.triggerReady();
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if (this.playOnReady) {
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this.play();
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} else if (this.cueOnReady) {
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this.cueVideoById_(this.url.videoId);
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this.activeVideoId = this.url.videoId;
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}
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},
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onPlayerPlaybackQualityChange: function () {},
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onPlayerPlaybackRateChange: function () {
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this.trigger('ratechange');
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},
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onPlayerStateChange: function (e) {
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var state = e.data;
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if (state === this.lastState || this.errorNumber) {
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return;
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}
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this.lastState = state;
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switch (state) {
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case -1:
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this.trigger('loadstart');
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this.trigger('loadedmetadata');
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this.trigger('durationchange');
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this.trigger('ratechange');
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break;
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case YT.PlayerState.ENDED:
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this.trigger('ended');
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break;
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case YT.PlayerState.PLAYING:
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this.trigger('timeupdate');
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this.trigger('durationchange');
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this.trigger('playing');
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this.trigger('play');
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if (this.isSeeking) {
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this.onSeeked();
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}
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break;
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case YT.PlayerState.PAUSED:
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this.trigger('canplay');
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if (this.isSeeking) {
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this.onSeeked();
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} else {
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this.trigger('pause');
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}
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break;
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case YT.PlayerState.BUFFERING:
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this.player_.trigger('timeupdate');
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this.player_.trigger('waiting');
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break;
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}
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},
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onPlayerVolumeChange: function () {
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this.trigger('volumechange');
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},
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onPlayerError: function (e) {
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this.errorNumber = e.data;
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this.trigger('pause');
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this.trigger('error');
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},
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error: function () {
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var code = 1000 + this.errorNumber; // as smaller codes are reserved
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switch (this.errorNumber) {
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case 5:
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return { code: code, message: 'Error while trying to play the video' };
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case 2:
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case 100:
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return { code: code, message: 'Unable to find the video' };
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case 101:
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case 150:
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return {
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code: code,
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message: 'Playback on other Websites has been disabled by the video owner.',
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};
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}
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return { code: code, message: 'YouTube unknown error (' + this.errorNumber + ')' };
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},
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loadVideoById_: function (id) {
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var options = {
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videoId: id,
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};
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if (this.options_.start) {
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options.startSeconds = this.options_.start;
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}
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if (this.options_.end) {
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options.endSeconds = this.options_.end;
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}
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this.ytPlayer.loadVideoById(options);
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},
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cueVideoById_: function (id) {
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var options = {
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videoId: id,
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};
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if (this.options_.start) {
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options.startSeconds = this.options_.start;
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}
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if (this.options_.end) {
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options.endSeconds = this.options_.end;
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}
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this.ytPlayer.cueVideoById(options);
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},
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src: function (src) {
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if (src) {
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this.setSrc({ src: src });
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}
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return this.source;
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},
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poster: function () {
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// You can't start programmaticlly a video with a mobile
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// through the iframe so we hide the poster and the play button (with CSS)
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if (_isOnMobile) {
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return null;
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}
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return this.poster_;
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},
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setPoster: function (poster) {
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this.poster_ = poster;
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},
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setSrc: function (source) {
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if (!source || !source.src) {
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return;
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}
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delete this.errorNumber;
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this.source = source;
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this.url = Youtube.parseUrl(source.src);
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if (!this.options_.poster) {
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if (this.url.videoId) {
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// Set the low resolution first
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this.poster_ = 'https://img.youtube.com/vi/' + this.url.videoId + '/0.jpg';
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this.trigger('posterchange');
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// Check if their is a high res
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this.checkHighResPoster();
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}
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}
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if (this.options_.autoplay && !_isOnMobile) {
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if (this.isReady_) {
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this.play();
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} else {
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this.playOnReady = true;
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}
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} else if (this.activeVideoId !== this.url.videoId) {
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if (this.isReady_) {
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this.cueVideoById_(this.url.videoId);
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this.activeVideoId = this.url.videoId;
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} else {
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this.cueOnReady = true;
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}
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}
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},
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autoplay: function () {
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return this.options_.autoplay;
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},
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setAutoplay: function (val) {
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this.options_.autoplay = val;
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},
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loop: function () {
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return this.options_.loop;
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},
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setLoop: function (val) {
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this.options_.loop = val;
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},
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play: function () {
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if (!this.url || !this.url.videoId) {
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return;
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}
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this.wasPausedBeforeSeek = false;
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if (this.isReady_) {
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if (this.url.listId) {
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if (this.activeList === this.url.listId) {
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this.ytPlayer.playVideo();
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} else {
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this.ytPlayer.loadPlaylist(this.url.listId);
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this.activeList = this.url.listId;
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}
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}
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if (this.activeVideoId === this.url.videoId) {
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this.ytPlayer.playVideo();
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} else {
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this.loadVideoById_(this.url.videoId);
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this.activeVideoId = this.url.videoId;
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}
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} else {
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this.trigger('waiting');
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this.playOnReady = true;
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}
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},
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pause: function () {
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if (this.ytPlayer) {
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this.ytPlayer.pauseVideo();
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}
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},
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paused: function () {
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return this.ytPlayer ? this.lastState !== YT.PlayerState.PLAYING && this.lastState !== YT.PlayerState.BUFFERING : true;
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},
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currentTime: function () {
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return this.ytPlayer ? this.ytPlayer.getCurrentTime() : 0;
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},
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setCurrentTime: function (seconds) {
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if (this.lastState === YT.PlayerState.PAUSED) {
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this.timeBeforeSeek = this.currentTime();
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}
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|
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if (!this.isSeeking) {
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this.wasPausedBeforeSeek = this.paused();
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}
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|
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this.ytPlayer.seekTo(seconds, true);
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this.trigger('timeupdate');
|
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this.trigger('seeking');
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this.isSeeking = true;
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|
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// A seek event during pause does not return an event to trigger a seeked event,
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// so run an interval timer to look for the currentTime to change
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if (this.lastState === YT.PlayerState.PAUSED && this.timeBeforeSeek !== seconds) {
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clearInterval(this.checkSeekedInPauseInterval);
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this.checkSeekedInPauseInterval = setInterval(
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function () {
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if (this.lastState !== YT.PlayerState.PAUSED || !this.isSeeking) {
|
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// If something changed while we were waiting for the currentTime to change,
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// clear the interval timer
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clearInterval(this.checkSeekedInPauseInterval);
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} else if (this.currentTime() !== this.timeBeforeSeek) {
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this.trigger('timeupdate');
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this.onSeeked();
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}
|
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}.bind(this),
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250
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);
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}
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},
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|
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seeking: function () {
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return this.isSeeking;
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},
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|
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seekable: function () {
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if (!this.ytPlayer) {
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return videojs.createTimeRange();
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}
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return videojs.createTimeRange(0, this.ytPlayer.getDuration());
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},
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|
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onSeeked: function () {
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clearInterval(this.checkSeekedInPauseInterval);
|
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this.isSeeking = false;
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|
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if (this.wasPausedBeforeSeek) {
|
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this.pause();
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|
}
|
|
|
|
this.trigger('seeked');
|
|
},
|
|
|
|
playbackRate: function () {
|
|
return this.ytPlayer ? this.ytPlayer.getPlaybackRate() : 1;
|
|
},
|
|
|
|
setPlaybackRate: function (suggestedRate) {
|
|
if (!this.ytPlayer) {
|
|
return;
|
|
}
|
|
|
|
this.ytPlayer.setPlaybackRate(suggestedRate);
|
|
},
|
|
|
|
duration: function () {
|
|
return this.ytPlayer ? this.ytPlayer.getDuration() : 0;
|
|
},
|
|
|
|
currentSrc: function () {
|
|
return this.source && this.source.src;
|
|
},
|
|
|
|
ended: function () {
|
|
return this.ytPlayer ? this.lastState === YT.PlayerState.ENDED : false;
|
|
},
|
|
|
|
volume: function () {
|
|
return this.ytPlayer ? this.ytPlayer.getVolume() / 100.0 : 1;
|
|
},
|
|
|
|
setVolume: function (percentAsDecimal) {
|
|
if (!this.ytPlayer) {
|
|
return;
|
|
}
|
|
|
|
this.ytPlayer.setVolume(percentAsDecimal * 100.0);
|
|
},
|
|
|
|
muted: function () {
|
|
return this.ytPlayer ? this.ytPlayer.isMuted() : false;
|
|
},
|
|
|
|
setMuted: function (mute) {
|
|
if (!this.ytPlayer) {
|
|
return;
|
|
} else {
|
|
this.muted(true);
|
|
}
|
|
|
|
if (mute) {
|
|
this.ytPlayer.mute();
|
|
} else {
|
|
this.ytPlayer.unMute();
|
|
}
|
|
this.setTimeout(function () {
|
|
this.trigger('volumechange');
|
|
}, 50);
|
|
},
|
|
|
|
buffered: function () {
|
|
if (!this.ytPlayer || !this.ytPlayer.getVideoLoadedFraction) {
|
|
return videojs.createTimeRange();
|
|
}
|
|
|
|
var bufferedEnd = this.ytPlayer.getVideoLoadedFraction() * this.ytPlayer.getDuration();
|
|
|
|
return videojs.createTimeRange(0, bufferedEnd);
|
|
},
|
|
|
|
// TODO: Can we really do something with this on YouTUbe?
|
|
preload: function () {},
|
|
load: function () {},
|
|
reset: function () {},
|
|
networkState: function () {
|
|
if (!this.ytPlayer) {
|
|
return 0; //NETWORK_EMPTY
|
|
}
|
|
switch (this.ytPlayer.getPlayerState()) {
|
|
case -1: //unstarted
|
|
return 0; //NETWORK_EMPTY
|
|
case 3: //buffering
|
|
return 2; //NETWORK_LOADING
|
|
default:
|
|
return 1; //NETWORK_IDLE
|
|
}
|
|
},
|
|
readyState: function () {
|
|
if (!this.ytPlayer) {
|
|
return 0; //HAVE_NOTHING
|
|
}
|
|
switch (this.ytPlayer.getPlayerState()) {
|
|
case -1: //unstarted
|
|
return 0; //HAVE_NOTHING
|
|
case 5: //video cued
|
|
return 1; //HAVE_METADATA
|
|
case 3: //buffering
|
|
return 2; //HAVE_CURRENT_DATA
|
|
default:
|
|
return 4; //HAVE_ENOUGH_DATA
|
|
}
|
|
},
|
|
|
|
supportsFullScreen: function () {
|
|
return document.fullscreenEnabled || document.webkitFullscreenEnabled || document.mozFullScreenEnabled || document.msFullscreenEnabled;
|
|
},
|
|
|
|
// Tries to get the highest resolution thumbnail available for the video
|
|
checkHighResPoster: function () {
|
|
var uri = 'https://img.youtube.com/vi/' + this.url.videoId + '/maxresdefault.jpg';
|
|
|
|
try {
|
|
var image = new Image();
|
|
image.onload = function () {
|
|
// Onload may still be called if YouTube returns the 120x90 error thumbnail
|
|
if ('naturalHeight' in image) {
|
|
if (image.naturalHeight <= 90 || image.naturalWidth <= 120) {
|
|
return;
|
|
}
|
|
} else if (image.height <= 90 || image.width <= 120) {
|
|
return;
|
|
}
|
|
|
|
this.poster_ = uri;
|
|
this.trigger('posterchange');
|
|
}.bind(this);
|
|
image.onerror = function () {};
|
|
image.src = uri;
|
|
} catch (e) {}
|
|
},
|
|
});
|
|
|
|
Youtube.isSupported = function () {
|
|
return true;
|
|
};
|
|
|
|
Youtube.canPlaySource = function (e) {
|
|
return Youtube.canPlayType(e.type);
|
|
};
|
|
|
|
Youtube.canPlayType = function (e) {
|
|
return e === 'video/youtube';
|
|
};
|
|
|
|
Youtube.parseUrl = function (url) {
|
|
var result = {
|
|
videoId: null,
|
|
};
|
|
|
|
var regex = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/;
|
|
var match = url.match(regex);
|
|
|
|
if (match && match[2].length === 11) {
|
|
result.videoId = match[2];
|
|
}
|
|
|
|
var regPlaylist = /[?&]list=([^#\&\?]+)/;
|
|
match = url.match(regPlaylist);
|
|
|
|
if (match && match[1]) {
|
|
result.listId = match[1];
|
|
}
|
|
|
|
return result;
|
|
};
|
|
|
|
function apiLoaded() {
|
|
YT.ready(function () {
|
|
Youtube.isApiReady = true;
|
|
|
|
for (var i = 0; i < Youtube.apiReadyQueue.length; ++i) {
|
|
Youtube.apiReadyQueue[i].initYTPlayer();
|
|
}
|
|
});
|
|
}
|
|
|
|
function loadScript(src, callback) {
|
|
var loaded = false;
|
|
var tag = document.createElement('script');
|
|
var firstScriptTag = document.getElementsByTagName('script')[0];
|
|
if (!firstScriptTag) {
|
|
// when loaded in jest without jsdom setup it doesn't get any element.
|
|
// In jest it doesn't really make sense to do anything, because no one is watching youtube in jest
|
|
return;
|
|
}
|
|
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
|
|
tag.onload = function () {
|
|
if (!loaded) {
|
|
loaded = true;
|
|
callback();
|
|
}
|
|
};
|
|
tag.onreadystatechange = function () {
|
|
if (!loaded && (this.readyState === 'complete' || this.readyState === 'loaded')) {
|
|
loaded = true;
|
|
callback();
|
|
}
|
|
};
|
|
tag.src = src;
|
|
}
|
|
|
|
function injectCss() {
|
|
var css = '.vjs-youtube .vjs-iframe-blocker { display: none; }' + '.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }' + '.vjs-youtube .vjs-poster { background-size: cover; }' + '.vjs-youtube-mobile .vjs-big-play-button { display: none; }'; // iframe blocker to catch mouse events
|
|
|
|
var head = document.head || document.getElementsByTagName('head')[0];
|
|
|
|
var style = document.createElement('style');
|
|
style.type = 'text/css';
|
|
|
|
if (style.styleSheet) {
|
|
style.styleSheet.cssText = css;
|
|
} else {
|
|
style.appendChild(document.createTextNode(css));
|
|
}
|
|
|
|
head.appendChild(style);
|
|
}
|
|
|
|
Youtube.apiReadyQueue = [];
|
|
|
|
if (typeof document !== 'undefined') {
|
|
loadScript('https://www.youtube.com/iframe_api', apiLoaded);
|
|
injectCss();
|
|
}
|
|
|
|
// Older versions of VJS5 doesn't have the registerTech function
|
|
if (typeof videojs.registerTech !== 'undefined') {
|
|
videojs.registerTech('Youtube', Youtube);
|
|
} else {
|
|
videojs.registerComponent('Youtube', Youtube);
|
|
}
|
|
});
|