videojs-externals
Version:
Externals playback technology for Video.js
400 lines (344 loc) • 12.8 kB
JavaScript
/**
* @file Youtube.js
* Externals (iframe) Media Controller - Wrapper for HTML5 Media API
*/
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var _videoJs = require('video.js');
var _videoJs2 = _interopRequireDefault(_videoJs);
var _Externals2 = require('./Externals');
var _Externals3 = _interopRequireDefault(_Externals2);
var _globalWindow = require('global/window');
var _globalWindow2 = _interopRequireDefault(_globalWindow);
var Component = _videoJs2['default'].getComponent('Component');
var Tech = _videoJs2['default'].getComponent('Tech');
/**
* Externals Media Controller - Wrapper for HTML5 Media API
*
* @param {Object=} options Object of option names and values
* @param {Function=} ready Ready callback function
* @extends Tech
* @class Youtube
*/
var Youtube = (function (_Externals) {
_inherits(Youtube, _Externals);
function Youtube(options, ready) {
_classCallCheck(this, Youtube);
_get(Object.getPrototypeOf(Youtube.prototype), 'constructor', this).call(this, options, ready);
}
_createClass(Youtube, [{
key: 'createEl',
value: function createEl() {
var el_ = _get(Object.getPrototypeOf(Youtube.prototype), 'createEl', this).call(this, 'div', {
id: this.options_.techId
});
return el_;
}
}, {
key: 'injectCss',
value: function injectCss() {
var css = '.vjs-' + this.className_ + ' .vjs-big-play-button { display: none; }';
_get(Object.getPrototypeOf(Youtube.prototype), 'injectCss', this).call(this, css);
}
}, {
key: 'loadApi',
value: function loadApi() {
_get(Object.getPrototypeOf(Youtube.prototype), 'loadApi', this).call(this);
_globalWindow2['default'].onYouTubeIframeAPIReady = this.onYoutubeReady.bind(this);
}
}, {
key: 'onStateChange',
value: function onStateChange(event) {
var state = event.data;
switch (state) {
case -1:
this.trigger('loadstart');
this.trigger('loadedmetadata');
this.trigger('durationchange');
break;
case YT.PlayerState.PLAYING:
this.trigger('timeupdate');
this.trigger('durationchange');
this.trigger('playing');
this.trigger('play');
if (this.isSeeking) {
this.onSeeked();
}
break;
case YT.PlayerState.ENDED:
this.trigger('ended');
break;
case YT.PlayerState.PAUSED:
this.trigger('canplay');
if (this.isSeeking) {
this.onSeeked();
} else {
this.trigger('pause');
}
break;
case YT.PlayerState.BUFFERING:
this.trigger('timeupdate');
this.trigger('waiting');
break;
}
this.lastState = state;
}
}, {
key: 'parseSrc',
value: function parseSrc(src) {
if (src) {
// Regex that parse the video ID for any Youtube URL
var regExp = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/;
var match = src.match(regExp);
if (match && match[2].length === 11) {
return match[2];
}
}
}
}, {
key: 'onReady',
value: function onReady() {
_get(Object.getPrototypeOf(Youtube.prototype), 'onReady', this).call(this);
this.updateVolume();
}
}, {
key: 'isApiReady',
value: function isApiReady() {
return _globalWindow2['default']['YT'] && _globalWindow2['default']['YT']['Player'];
}
}, {
key: 'onYoutubeReady',
value: function onYoutubeReady() {
YT.ready((function () {
for (var i = 0; i < _Externals3['default'].apiReadyQueue.length; ++i) {
_Externals3['default'].apiReadyQueue[i].initTech();
}
}).bind(this));
}
}, {
key: 'initTech',
value: function initTech() {
if (!this.isApiReady()) {
return;
}
var source = null;
if ('string' === typeof this.options_.source) {
source = this.options_.source;
} else if ('object' === typeof this.options_.source) {
source = this.options_.source.src;
}
source = this.parseSrc(source);
var ytOpts = _videoJs2['default'].mergeOptions(this.options_, {
controls: 0,
playsinline: 1,
rel: 0,
showinfo: 0,
autohide: 1,
disablekb: 1,
end: 0,
modestbranding: 1,
fs: 1
});
this.widgetPlayer = new YT.Player(this.options_.techId, {
videoId: source,
playerVars: ytOpts,
events: {
onReady: this.onReady.bind(this),
onPlaybackQualityChange: this.onPlayerPlaybackQualityChange.bind(this),
onStateChange: this.onStateChange.bind(this),
onError: this.onPlayerError.bind(this)
}
});
_get(Object.getPrototypeOf(Youtube.prototype), 'initTech', this).call(this);
}
}, {
key: 'setupTriggers',
value: function setupTriggers() {}
}, {
key: 'onPlayerPlaybackQualityChange',
value: function onPlayerPlaybackQualityChange() {}
}, {
key: 'src',
value: function src(source) {
if (!source || !source.src) {
return;
}
this.url = this.parseSrc(source.src);
if (!this.options_.poster) {
if (this.url) {
// Set the low resolution first
this.setPoster('//img.youtube.com/vi/' + this.url + '/0.jpg');
}
}
}
}, {
key: 'ended',
value: function ended() {
return this.widgetPlayer ? this.lastState === YT.PlayerState.ENDED : false;
}
}, {
key: 'duration',
value: function duration() {
return this.widgetPlayer ? this.widgetPlayer.getDuration() : 0;
}
}, {
key: 'currentTime',
value: function currentTime() {
return this.widgetPlayer && this.widgetPlayer.getCurrentTime();
}
}, {
key: 'setCurrentTime',
value: function setCurrentTime(seconds) {
if (this.lastState === YT.PlayerState.PAUSED) {
this.timeBeforeSeek = this.currentTime();
}
//FIXME replace this (warn autoplay)
if (!this.isSeeking) {
this.wasPausedBeforeSeek = this.paused();
}
this.widgetPlayer.seekTo(seconds, true);
this.trigger('timeupdate');
this.trigger('seeking');
this.isSeeking = true;
// A seek event during pause does not return an event to trigger a seeked event,
// so run an interval timer to look for the currentTime to change
if (this.lastState === YT.PlayerState.PAUSED && this.timeBeforeSeek !== seconds) {
this.clearInterval(this.checkSeekedInPauseInterval);
this.checkSeekedInPauseInterval = this.setInterval((function () {
if (this.lastState !== YT.PlayerState.PAUSED || !this.isSeeking) {
// If something changed while we were waiting for the currentTime to change,
// clear the interval timer
this.clearInterval(this.checkSeekedInPauseInterval);
} else if (this.currentTime() !== this.timeBeforeSeek) {
this.trigger('timeupdate');
this.onSeeked();
}
}).bind(this), 250);
}
}
}, {
key: 'onSeeked',
value: function onSeeked() {
this.clearInterval(this.checkSeekedInPauseInterval);
this.isSeeking = false;
if (this.wasPausedBeforeSeek) {
this.pause();
}
this.trigger('seeked');
}
}, {
key: 'updateVolume',
value: function updateVolume() {
this.volume_ = this.widgetPlayer.getVolume();
this.trigger('volumechange');
}
}, {
key: 'play',
value: function play() {
this.widgetPlayer.playVideo();
}
}, {
key: 'pause',
value: function pause() {
this.widgetPlayer.pauseVideo();
}
}, {
key: 'paused',
value: function paused() {
return this.widgetPlayer && this.lastState !== YT.PlayerState.PLAYING && this.lastState !== YT.PlayerState.BUFFERING;
}
}, {
key: 'muted',
value: function muted() {
return this.muted_;
}
}, {
key: 'volume',
value: function volume() {
return this.widgetPlayer && this.widgetPlayer.getVolume() / 100.0;
}
}, {
key: 'setVolume',
value: function setVolume(percentAsDecimal) {
if (percentAsDecimal !== this.volume_) {
this.widgetPlayer.setVolume(percentAsDecimal * 100.0);
this.updateVolume();
}
}
}, {
key: 'setMuted',
value: function setMuted(muted) {
this.muted_ = muted;
if (muted) {
this.volumeBefore_ = this.volume_;
}
this.widgetPlayer.setVolume(muted ? 0 : this.volumeBefore_);
this.updateVolume();
}
}]);
return Youtube;
})(_Externals3['default']);
Youtube.prototype.options_ = {
api: '//www.youtube.com/iframe_api',
visibility: 'visible'
};
Youtube.prototype.className_ = 'youtube';
/* Youtube Support Testing -------------------------------------------------------- */
Youtube.isSupported = function () {
return true;
};
// Add Source Handler pattern functions to this tech
Tech.withSourceHandlers(Youtube);
/*
* The default native source handler.
* This simply passes the source to the video element. Nothing fancy.
*
* @param {Object} source The source object
* @param {Flash} tech The instance of the Flash tech
*/
Youtube.nativeSourceHandler = {};
/**
* Check if Flash can play the given videotype
* @param {String} type The mimetype to check
* @return {String} 'probably', 'maybe', or '' (empty string)
*/
Youtube.nativeSourceHandler.canPlayType = function (source) {
return source.indexOf('youtube') !== -1;
};
/*
* Check Youtube can handle the source natively
*
* @param {Object} source The source object
* @return {String} 'probably', 'maybe', or '' (empty string)
*/
Youtube.nativeSourceHandler.canHandleSource = function (source) {
// If a type was provided we should rely on that
if (source.type) {
return Youtube.nativeSourceHandler.canPlayType(source.type);
} else if (source.src) {
return Youtube.nativeSourceHandler.canPlayType(source.src);
}
return '';
};
Youtube.nativeSourceHandler.handleSource = function (source, tech) {
tech.src(source.src);
};
/*
* Clean up the source handler when disposing the player or switching sources..
* (no cleanup is needed when supporting the format natively)
*/
Youtube.nativeSourceHandler.dispose = function () {};
Youtube.Events = 'ready,play,playProgress,loadProgress,pause,seek,finish,error'.split(',');
// Register the native source handler
Youtube.registerSourceHandler(Youtube.nativeSourceHandler);
Component.registerComponent('Youtube', Youtube);
Tech.registerTech('Youtube', Youtube);
exports['default'] = Youtube;
module.exports = exports['default'];