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video.js
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video.js
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/*
VideoJS - HTML5 Video Player
v2.0.2
This file is part of VideoJS. Copyright 2010 Zencoder, Inc.
VideoJS is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
VideoJS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with VideoJS. If not, see <http://www.gnu.org/licenses/>.
*/
// Self-executing function to prevent global vars and help with minification
(function(window, undefined){
var document = window.document;
// Using jresig's Class implementation http://ejohn.org/blog/simple-javascript-inheritance/
(function(){var initializing=false, fnTest=/xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/; this.JRClass = function(){}; JRClass.extend = function(prop) { var _super = this.prototype; initializing = true; var prototype = new this(); initializing = false; for (var name in prop) { prototype[name] = typeof prop[name] == "function" && typeof _super[name] == "function" && fnTest.test(prop[name]) ? (function(name, fn){ return function() { var tmp = this._super; this._super = _super[name]; var ret = fn.apply(this, arguments); this._super = tmp; return ret; }; })(name, prop[name]) : prop[name]; } function JRClass() { if ( !initializing && this.init ) this.init.apply(this, arguments); } JRClass.prototype = prototype; JRClass.constructor = JRClass; JRClass.extend = arguments.callee; return JRClass;};})();
// Video JS Player Class
var VideoJS = JRClass.extend({
// Initialize the player for the supplied video tag element
// element: video tag
init: function(element, setOptions){
// Allow an ID string or an element
if (typeof element == 'string') {
this.video = document.getElementById(element);
} else {
this.video = element;
}
// Store reference to player on the video element.
// So you can acess the player later: document.getElementById("video_id").player.play();
this.video.player = this;
this.values = {}; // Cache video values.
this.elements = {}; // Store refs to controls elements.
// Default Options
this.options = {
autoplay: false,
preload: true,
useBuiltInControls: false, // Use the browser's controls (iPhone)
controlsBelow: false, // Display control bar below video vs. in front of
controlsAtStart: false, // Make controls visible when page loads
controlsHiding: true, // Hide controls when not over the video
defaultVolume: 0.85, // Will be overridden by localStorage volume if available
playerFallbackOrder: ["html5", "flash", "links"], // Players and order to use them
flashPlayer: "htmlObject",
flashPlayerVersion: false // Required flash version for fallback
};
// Override default options with global options
if (typeof VideoJS.options == "object") { _V_.merge(this.options, VideoJS.options); }
// Override default & global options with options specific to this player
if (typeof setOptions == "object") { _V_.merge(this.options, setOptions); }
// Override preload & autoplay with video attributes
if (this.getPreloadAttribute() !== undefined) { this.options.preload = this.getPreloadAttribute(); }
if (this.getAutoplayAttribute() !== undefined) { this.options.autoplay = this.getAutoplayAttribute(); }
// Store reference to embed code pieces
this.box = this.video.parentNode;
this.linksFallback = this.getLinksFallback();
this.hideLinksFallback(); // Will be shown again if "links" player is used
// Loop through the player names list in options, "html5" etc.
// For each player name, initialize the player with that name under VideoJS.players
// If the player successfully initializes, we're done
// If not, try the next player in the list
this.each(this.options.playerFallbackOrder, function(playerType){
if (this[playerType+"Supported"]()) { // Check if player type is supported
this[playerType+"Init"](); // Initialize player type
return true; // Stop looping though players
}
});
// Start Global Listeners - API doesn't exist before now
this.activateElement(this, "player");
this.activateElement(this.box, "box");
},
/* Behaviors
================================================================================ */
behaviors: {},
newBehavior: function(name, activate, functions){
this.behaviors[name] = activate;
this.extend(functions);
},
activateElement: function(element, behavior){
// Allow passing and ID string
if (typeof element == "string") { element = document.getElementById(element); }
this.behaviors[behavior].call(this, element);
},
/* Errors/Warnings
================================================================================ */
errors: [], // Array to track errors
warnings: [],
warning: function(warning){
this.warnings.push(warning);
this.log(warning);
},
/* History of errors/events (not quite there yet)
================================================================================ */
history: [],
log: function(event){
if (!event) { return; }
if (typeof event == "string") { event = { type: event }; }
if (event.type) { this.history.push(event.type); }
if (this.history.length >= 50) { this.history.shift(); }
try { console.log(event.type); } catch(e) { try { opera.postError(event.type); } catch(e){} }
},
/* Local Storage
================================================================================ */
setLocalStorage: function(key, value){
if (!localStorage) { return; }
try {
localStorage[key] = value;
} catch(e) {
if (e.code == 22 || e.code == 1014) { // Webkit == 22 / Firefox == 1014
this.warning(VideoJS.warnings.localStorageFull);
}
}
},
/* Helpers
================================================================================ */
getPreloadAttribute: function(){
if (typeof this.video.hasAttribute == "function" && this.video.hasAttribute("preload")) {
var preload = this.video.getAttribute("preload");
// Only included the attribute, thinking it was boolean
if (preload === "" || preload === "true") { return "auto"; }
if (preload === "false") { return "none"; }
return preload;
}
},
getAutoplayAttribute: function(){
if (typeof this.video.hasAttribute == "function" && this.video.hasAttribute("autoplay")) {
var autoplay = this.video.getAttribute("autoplay");
if (autoplay === "false") { return false; }
return true;
}
},
// Calculates amoutn of buffer is full
bufferedPercent: function(){ return (this.duration()) ? this.buffered()[1] / this.duration() : 0; },
// Each that maintains player as context
// Break if true is returned
each: function(arr, fn){
if (!arr || arr.length === 0) { return; }
for (var i=0,j=arr.length; i<j; i++) {
if (fn.call(this, arr[i], i)) { break; }
}
},
extend: function(obj){
for (var attrname in obj) {
if (obj.hasOwnProperty(attrname)) { this[attrname]=obj[attrname]; }
}
}
});
VideoJS.player = VideoJS.prototype;
////////////////////////////////////////////////////////////////////////////////
// Player Types
////////////////////////////////////////////////////////////////////////////////
/* Flash Object Fallback (Player Type)
================================================================================ */
VideoJS.player.extend({
flashSupported: function(){
if (!this.flashElement) { this.flashElement = this.getFlashElement(); }
// Check if object exists & Flash Player version is supported
if (this.flashElement && this.flashPlayerVersionSupported()) {
return true;
} else {
return false;
}
},
flashInit: function(){
this.replaceWithFlash();
this.element = this.flashElement;
this.video.src = ""; // Stop video from downloading if HTML5 is still supported
var flashPlayerType = VideoJS.flashPlayers[this.options.flashPlayer];
this.extend(VideoJS.flashPlayers[this.options.flashPlayer].api);
(flashPlayerType.init.context(this))();
},
// Get Flash Fallback object element from Embed Code
getFlashElement: function(){
var children = this.video.children;
for (var i=0,j=children.length; i<j; i++) {
if (children[i].className == "vjs-flash-fallback") {
return children[i];
}
}
},
// Used to force a browser to fall back when it's an HTML5 browser but there's no supported sources
replaceWithFlash: function(){
// this.flashElement = this.video.removeChild(this.flashElement);
if (this.flashElement) {
this.box.insertBefore(this.flashElement, this.video);
this.video.style.display = "none"; // Removing it was breaking later players
}
},
// Check if browser can use this flash player
flashPlayerVersionSupported: function(){
var playerVersion = (this.options.flashPlayerVersion) ? this.options.flashPlayerVersion : VideoJS.flashPlayers[this.options.flashPlayer].flashPlayerVersion;
return VideoJS.getFlashVersion() >= playerVersion;
}
});
VideoJS.flashPlayers = {};
VideoJS.flashPlayers.htmlObject = {
flashPlayerVersion: 9,
init: function() { return true; },
api: { // No video API available with HTML Object embed method
width: function(width){
if (width !== undefined) {
this.element.width = width;
this.box.style.width = width+"px";
this.triggerResizeListeners();
return this;
}
return this.element.width;
},
height: function(height){
if (height !== undefined) {
this.element.height = height;
this.box.style.height = height+"px";
this.triggerResizeListeners();
return this;
}
return this.element.height;
}
}
};
/* Download Links Fallback (Player Type)
================================================================================ */
VideoJS.player.extend({
linksSupported: function(){ return true; },
linksInit: function(){
this.showLinksFallback();
this.element = this.video;
},
// Get the download links block element
getLinksFallback: function(){ return this.box.getElementsByTagName("P")[0]; },
// Hide no-video download paragraph
hideLinksFallback: function(){
if (this.linksFallback) { this.linksFallback.style.display = "none"; }
},
// Hide no-video download paragraph
showLinksFallback: function(){
if (this.linksFallback) { this.linksFallback.style.display = "block"; }
}
});
////////////////////////////////////////////////////////////////////////////////
// Class Methods
// Functions that don't apply to individual videos.
////////////////////////////////////////////////////////////////////////////////
// Combine Objects - Use "safe" to protect from overwriting existing items
VideoJS.merge = function(obj1, obj2, safe){
for (var attrname in obj2){
if (obj2.hasOwnProperty(attrname) && (!safe || !obj1.hasOwnProperty(attrname))) { obj1[attrname]=obj2[attrname]; }
}
return obj1;
};
VideoJS.extend = function(obj){ this.merge(this, obj, true); };
VideoJS.extend({
// Add VideoJS to all video tags with the video-js class when the DOM is ready
setupAllWhenReady: function(options){
// Options is stored globally, and added ot any new player on init
VideoJS.options = options;
VideoJS.DOMReady(VideoJS.setup);
},
// Run the supplied function when the DOM is ready
DOMReady: function(fn){
VideoJS.addToDOMReady(fn);
},
// Set up a specific video or array of video elements
// "video" can be:
// false, undefined, or "All": set up all videos with the video-js class
// A video tag ID or video tag element: set up one video and return one player
// An array of video tag elements/IDs: set up each and return an array of players
setup: function(videos, options){
var returnSingular = false,
playerList = [],
videoElement;
// If videos is undefined or "All", set up all videos with the video-js class
if (!videos || videos == "All") {
videos = VideoJS.getVideoJSTags();
// If videos is not an array, add to an array
} else if (typeof videos != 'object' || videos.nodeType == 1) {
videos = [videos];
returnSingular = true;
}
// Loop through videos and create players for them
for (var i=0; i<videos.length; i++) {
if (typeof videos[i] == 'string') {
videoElement = document.getElementById(videos[i]);
} else { // assume DOM object
videoElement = videos[i];
}
playerList.push(new VideoJS(videoElement, options));
}
// Return one or all depending on what was passed in
return (returnSingular) ? playerList[0] : playerList;
},
// Find video tags with the video-js class
getVideoJSTags: function() {
var videoTags = document.getElementsByTagName("video"),
videoJSTags = [], videoTag;
for (var i=0,j=videoTags.length; i<j; i++) {
videoTag = videoTags[i];
if (videoTag.className.indexOf("video-js") != -1) {
videoJSTags.push(videoTag);
}
}
return videoJSTags;
},
// Check if the browser supports video.
browserSupportsVideo: function() {
if (typeof VideoJS.videoSupport != "undefined") { return VideoJS.videoSupport; }
VideoJS.videoSupport = !!document.createElement('video').canPlayType;
return VideoJS.videoSupport;
},
getFlashVersion: function(){
// Cache Version
if (typeof VideoJS.flashVersion != "undefined") { return VideoJS.flashVersion; }
var version = 0, desc;
if (typeof navigator.plugins != "undefined" && typeof navigator.plugins["Shockwave Flash"] == "object") {
desc = navigator.plugins["Shockwave Flash"].description;
if (desc && !(typeof navigator.mimeTypes != "undefined" && navigator.mimeTypes["application/x-shockwave-flash"] && !navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin)) {
version = parseInt(desc.match(/^.*\s+([^\s]+)\.[^\s]+\s+[^\s]+$/)[1], 10);
}
} else if (typeof window.ActiveXObject != "undefined") {
try {
var testObject = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
if (testObject) {
version = parseInt(testObject.GetVariable("$version").match(/^[^\s]+\s(\d+)/)[1], 10);
}
}
catch(e) {}
}
VideoJS.flashVersion = version;
return VideoJS.flashVersion;
},
// Browser & Device Checks
isIE: function(){ return !+"\v1"; },
isIPad: function(){ return navigator.userAgent.match(/iPad/i) !== null; },
isIPhone: function(){ return navigator.userAgent.match(/iPhone/i) !== null; },
isIOS: function(){ return VideoJS.isIPhone() || VideoJS.isIPad(); },
iOSVersion: function() {
var match = navigator.userAgent.match(/OS (\d+)_/i);
if (match && match[1]) { return match[1]; }
},
isAndroid: function(){ return navigator.userAgent.match(/Android/i) !== null; },
androidVersion: function() {
var match = navigator.userAgent.match(/Android (\d+)\./i);
if (match && match[1]) { return match[1]; }
},
warnings: {
// Safari errors if you call functions on a video that hasn't loaded yet
videoNotReady: "Video is not ready yet (try playing the video first).",
// Getting a QUOTA_EXCEEDED_ERR when setting local storage occasionally
localStorageFull: "Local Storage is Full"
}
});
// Shim to make Video tag valid in IE
if(VideoJS.isIE()) { document.createElement("video"); }
// Expose to global
window.VideoJS = window._V_ = VideoJS;
/* HTML5 Player Type
================================================================================ */
VideoJS.player.extend({
html5Supported: function(){
if (VideoJS.browserSupportsVideo() && this.canPlaySource()) {
return true;
} else {
return false;
}
},
html5Init: function(){
this.element = this.video;
this.fixPreloading(); // Support old browsers that used autobuffer
this.supportProgressEvents(); // Support browsers that don't use 'buffered'
// Set to stored volume OR 85%
this.volume((localStorage && localStorage.volume) || this.options.defaultVolume);
// Update interface for device needs
if (VideoJS.isIOS()) {
this.options.useBuiltInControls = true;
this.iOSInterface();
} else if (VideoJS.isAndroid()) {
this.options.useBuiltInControls = true;
this.androidInterface();
}
// Add VideoJS Controls
if (!this.options.useBuiltInControls) {
this.video.controls = false;
if (this.options.controlsBelow) { _V_.addClass(this.box, "vjs-controls-below"); }
// Make a click on th video act as a play button
this.activateElement(this.video, "playToggle");
// Build Interface
this.buildStylesCheckDiv(); // Used to check if style are loaded
this.buildAndActivatePoster();
this.buildBigPlayButton();
this.buildAndActivateSpinner();
this.buildAndActivateControlBar();
this.loadInterface(); // Show everything once styles are loaded
this.getSubtitles();
}
},
/* Source Managemet
================================================================================ */
canPlaySource: function(){
// Cache Result
if (this.canPlaySourceResult) { return this.canPlaySourceResult; }
// Loop through sources and check if any can play
var children = this.video.children;
for (var i=0,j=children.length; i<j; i++) {
if (children[i].tagName.toUpperCase() == "SOURCE") {
var canPlay = this.video.canPlayType(children[i].type) || this.canPlayExt(children[i].src);
if (canPlay == "probably" || canPlay == "maybe") {
this.firstPlayableSource = children[i];
this.canPlaySourceResult = true;
return true;
}
}
}
this.canPlaySourceResult = false;
return false;
},
// Check if the extention is compatible, for when type won't work
canPlayExt: function(src){
if (!src) { return ""; }
var match = src.match(/\.([^\.]+)$/);
if (match && match[1]) {
var ext = match[1].toLowerCase();
// Android canPlayType doesn't work
if (VideoJS.isAndroid()) {
if (ext == "mp4" || ext == "m4v") { return "maybe"; }
// Allow Apple HTTP Streaming for iOS
} else if (VideoJS.isIOS()) {
if (ext == "m3u8") { return "maybe"; }
}
}
return "";
},
// Force the video source - Helps fix loading bugs in a handful of devices, like the iPad/iPhone poster bug
// And iPad/iPhone javascript include location bug. And Android type attribute bug
forceTheSource: function(){
this.video.src = this.firstPlayableSource.src; // From canPlaySource()
this.video.load();
},
/* Device Fixes
================================================================================ */
// Support older browsers that used "autobuffer"
fixPreloading: function(){
if (typeof this.video.hasAttribute == "function" && this.video.hasAttribute("preload") && this.video.preload != "none") {
this.video.autobuffer = true; // Was a boolean
} else {
this.video.autobuffer = false;
this.video.preload = "none";
}
},
// Listen for Video Load Progress (currently does not if html file is local)
// Buffered does't work in all browsers, so watching progress as well
supportProgressEvents: function(e){
_V_.addListener(this.video, 'progress', this.playerOnVideoProgress.context(this));
},
playerOnVideoProgress: function(event){
this.setBufferedFromProgress(event);
},
setBufferedFromProgress: function(event){ // HTML5 Only
if(event.total > 0) {
var newBufferEnd = (event.loaded / event.total) * this.duration();
if (newBufferEnd > this.values.bufferEnd) { this.values.bufferEnd = newBufferEnd; }
}
},
iOSInterface: function(){
if(VideoJS.iOSVersion() < 4) { this.forceTheSource(); } // Fix loading issues
// if(VideoJS.isIPad()) { // iPad could work with controlsBelow
// this.buildAndActivateSpinner(); // still works well on iPad, since iPad doesn't have one
// }
},
// Fix android specific quirks
// Use built-in controls, but add the big play button, since android doesn't have one.
androidInterface: function(){
this.forceTheSource(); // Fix loading issues
_V_.addListener(this.video, "click", function(){ this.play(); }); // Required to play
this.buildBigPlayButton(); // But don't activate the normal way. Pause doesn't work right on android.
_V_.addListener(this.bigPlayButton, "click", function(){ this.play(); }.context(this));
this.positionBox();
this.showBigPlayButtons();
},
/* Wait for styles (TODO: move to _V_)
================================================================================ */
loadInterface: function(){
if(!this.stylesHaveLoaded()) {
// Don't want to create an endless loop either.
if (!this.positionRetries) { this.positionRetries = 1; }
if (this.positionRetries++ < 100) {
setTimeout(this.loadInterface.context(this),10);
return;
}
}
this.hideStylesCheckDiv();
this.showPoster();
if (this.video.paused !== false) { this.showBigPlayButtons(); }
if (this.options.controlsAtStart) { this.showControlBars(); }
this.positionAll();
},
/* Control Bar
================================================================================ */
buildAndActivateControlBar: function(){
/* Creating this HTML
<div class="vjs-controls">
<div class="vjs-play-control">
<span></span>
</div>
<div class="vjs-progress-control">
<div class="vjs-progress-holder">
<div class="vjs-load-progress"></div>
<div class="vjs-play-progress"></div>
</div>
</div>
<div class="vjs-time-control">
<span class="vjs-current-time-display">00:00</span><span> / </span><span class="vjs-duration-display">00:00</span>
</div>
<div class="vjs-volume-control">
<div>
<span></span><span></span><span></span><span></span><span></span><span></span>
</div>
</div>
<div class="vjs-fullscreen-control">
<div>
<span></span><span></span><span></span><span></span>
</div>
</div>
</div>
*/
// Create a div to hold the different controls
this.controls = _V_.createElement("div", { className: "vjs-controls" });
// Add the controls to the video's container
this.box.appendChild(this.controls);
this.activateElement(this.controls, "controlBar");
this.activateElement(this.controls, "mouseOverVideoReporter");
// Build the play control
this.playControl = _V_.createElement("div", { className: "vjs-play-control", innerHTML: "<span></span>" });
this.controls.appendChild(this.playControl);
this.activateElement(this.playControl, "playToggle");
// Build the progress control
this.progressControl = _V_.createElement("div", { className: "vjs-progress-control" });
this.controls.appendChild(this.progressControl);
// Create a holder for the progress bars
this.progressHolder = _V_.createElement("div", { className: "vjs-progress-holder" });
this.progressControl.appendChild(this.progressHolder);
this.activateElement(this.progressHolder, "currentTimeScrubber");
// Create the loading progress display
this.loadProgressBar = _V_.createElement("div", { className: "vjs-load-progress" });
this.progressHolder.appendChild(this.loadProgressBar);
this.activateElement(this.loadProgressBar, "loadProgressBar");
// Create the playing progress display
this.playProgressBar = _V_.createElement("div", { className: "vjs-play-progress" });
this.progressHolder.appendChild(this.playProgressBar);
this.activateElement(this.playProgressBar, "playProgressBar");
// Create the progress time display (00:00 / 00:00)
this.timeControl = _V_.createElement("div", { className: "vjs-time-control" });
this.controls.appendChild(this.timeControl);
// Create the current play time display
this.currentTimeDisplay = _V_.createElement("span", { className: "vjs-current-time-display", innerHTML: "00:00" });
this.timeControl.appendChild(this.currentTimeDisplay);
this.activateElement(this.currentTimeDisplay, "currentTimeDisplay");
// Add time separator
this.timeSeparator = _V_.createElement("span", { innerHTML: " / " });
this.timeControl.appendChild(this.timeSeparator);
// Create the total duration display
this.durationDisplay = _V_.createElement("span", { className: "vjs-duration-display", innerHTML: "00:00" });
this.timeControl.appendChild(this.durationDisplay);
this.activateElement(this.durationDisplay, "durationDisplay");
// Create the volumne control
this.volumeControl = _V_.createElement("div", {
className: "vjs-volume-control",
innerHTML: "<div><span></span><span></span><span></span><span></span><span></span><span></span></div>"
});
this.controls.appendChild(this.volumeControl);
this.activateElement(this.volumeControl, "volumeScrubber");
this.volumeDisplay = this.volumeControl.children[0];
this.activateElement(this.volumeDisplay, "volumeDisplay");
// Crete the fullscreen control
this.fullscreenControl = _V_.createElement("div", {
className: "vjs-fullscreen-control",
innerHTML: "<div><span></span><span></span><span></span><span></span></div>"
});
this.controls.appendChild(this.fullscreenControl);
this.activateElement(this.fullscreenControl, "fullscreenToggle");
},
/* Poster Image
================================================================================ */
buildAndActivatePoster: function(){
this.updatePosterSource();
if (this.video.poster) {
this.poster = document.createElement("img");
// Add poster to video box
this.box.appendChild(this.poster);
// Add poster image data
this.poster.src = this.video.poster;
// Add poster styles
this.poster.className = "vjs-poster";
this.activateElement(this.poster, "poster");
} else {
this.poster = false;
}
},
/* Big Play Button
================================================================================ */
buildBigPlayButton: function(){
/* Creating this HTML
<div class="vjs-big-play-button"><span></span></div>
*/
this.bigPlayButton = _V_.createElement("div", {
className: "vjs-big-play-button",
innerHTML: "<span></span>"
});
this.box.appendChild(this.bigPlayButton);
this.activateElement(this.bigPlayButton, "bigPlayButton");
},
/* Spinner (Loading)
================================================================================ */
buildAndActivateSpinner: function(){
this.spinner = _V_.createElement("div", {
className: "vjs-spinner",
innerHTML: "<div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div>"
});
this.box.appendChild(this.spinner);
this.activateElement(this.spinner, "spinner");
},
/* Styles Check - Check if styles are loaded (move ot _V_)
================================================================================ */
// Sometimes the CSS styles haven't been applied to the controls yet
// when we're trying to calculate the height and position them correctly.
// This causes a flicker where the controls are out of place.
buildStylesCheckDiv: function(){
this.stylesCheckDiv = _V_.createElement("div", { className: "vjs-styles-check" });
this.stylesCheckDiv.style.position = "absolute";
this.box.appendChild(this.stylesCheckDiv);
},
hideStylesCheckDiv: function(){ this.stylesCheckDiv.style.display = "none"; },
stylesHaveLoaded: function(){
if (this.stylesCheckDiv.offsetHeight != 5) {
return false;
} else {
return true;
}
},
/* VideoJS Box - Holds all elements
================================================================================ */
positionAll: function(){
this.positionBox();
this.positionControlBars();
this.positionPoster();
},
positionBox: function(){
// Set width based on fullscreen or not.
if (this.videoIsFullScreen) {
this.box.style.width = "";
this.element.style.height="";
if (this.options.controlsBelow) {
this.box.style.height = "";
this.element.style.height = (this.box.offsetHeight - this.controls.offsetHeight) + "px";
}
} else {
this.box.style.width = this.width() + "px";
this.element.style.height=this.height()+"px";
if (this.options.controlsBelow) {
this.element.style.height = "";
// this.box.style.height = this.video.offsetHeight + this.controls.offsetHeight + "px";
}
}
},
/* Subtitles
================================================================================ */
getSubtitles: function(){
var tracks = this.video.getElementsByTagName("TRACK");
for (var i=0,j=tracks.length; i<j; i++) {
if (tracks[i].getAttribute("kind") == "subtitles" && tracks[i].getAttribute("src")) {
this.subtitlesSource = tracks[i].getAttribute("src");
this.loadSubtitles();
this.buildSubtitles();
}
}
},
loadSubtitles: function() { _V_.get(this.subtitlesSource, this.parseSubtitles.context(this)); },
parseSubtitles: function(subText) {
var lines = subText.split("\n"),
line = "",
subtitle, time, text;
this.subtitles = [];
this.currentSubtitle = false;
this.lastSubtitleIndex = 0;
for (var i=0; i<lines.length; i++) {
line = _V_.trim(lines[i]); // Trim whitespace and linebreaks
if (line) { // Loop until a line with content
// First line - Number
subtitle = {
id: line, // Subtitle Number
index: this.subtitles.length // Position in Array
};
// Second line - Time
line = _V_.trim(lines[++i]);
time = line.split(" --> ");
subtitle.start = this.parseSubtitleTime(time[0]);
subtitle.end = this.parseSubtitleTime(time[1]);
// Additional lines - Subtitle Text
text = [];
for (var j=i; j<lines.length; j++) { // Loop until a blank line or end of lines
line = _V_.trim(lines[++i]);
if (!line) { break; }
text.push(line);
}
subtitle.text = text.join('<br/>');
// Add this subtitle
this.subtitles.push(subtitle);
}
}
},
parseSubtitleTime: function(timeText) {
var parts = timeText.split(':'),
time = 0;
// hours => seconds
time += parseFloat(parts[0])*60*60;
// minutes => seconds
time += parseFloat(parts[1])*60;
// get seconds
var seconds = parts[2].split(/\.|,/); // Either . or ,
time += parseFloat(seconds[0]);
// add miliseconds
ms = parseFloat(seconds[1]);
if (ms) { time += ms/1000; }
return time;
},
buildSubtitles: function(){
/* Creating this HTML
<div class="vjs-subtitles"></div>
*/
this.subtitlesDisplay = _V_.createElement("div", { className: 'vjs-subtitles' });
this.box.appendChild(this.subtitlesDisplay);
this.activateElement(this.subtitlesDisplay, "subtitlesDisplay");
},
/* Player API - Translate functionality from player to video
================================================================================ */
addVideoListener: function(type, fn){ _V_.addListener(this.video, type, fn.rEvtContext(this)); },
play: function(){
this.video.play();
return this;
},
onPlay: function(fn){ this.addVideoListener("play", fn); return this; },
pause: function(){
this.video.pause();
return this;
},
onPause: function(fn){ this.addVideoListener("pause", fn); return this; },
paused: function() { return this.video.paused; },
currentTime: function(seconds){
if (seconds !== undefined) {
try { this.video.currentTime = seconds; }
catch(e) { this.warning(VideoJS.warnings.videoNotReady); }
this.values.currentTime = seconds;
return this;
}
return this.video.currentTime;
},
onCurrentTimeUpdate: function(fn){
this.currentTimeListeners.push(fn);
},
duration: function(){
return this.video.duration;
},
buffered: function(){
// Storing values allows them be overridden by setBufferedFromProgress
if (this.values.bufferStart === undefined) {
this.values.bufferStart = 0;
this.values.bufferEnd = 0;
}
if (this.video.buffered && this.video.buffered.length > 0) {
var newEnd = this.video.buffered.end(0);
if (newEnd > this.values.bufferEnd) { this.values.bufferEnd = newEnd; }
}
return [this.values.bufferStart, this.values.bufferEnd];
},
volume: function(percentAsDecimal){
if (percentAsDecimal !== undefined) {
// Force value to between 0 and 1
this.values.volume = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));
this.video.volume = this.values.volume;
this.setLocalStorage("volume", this.values.volume);
return this;
}
if (this.values.volume) { return this.values.volume; }
return this.video.volume;
},
onVolumeChange: function(fn){ _V_.addListener(this.video, 'volumechange', fn.rEvtContext(this)); },
width: function(width){
if (width !== undefined) {
this.video.width = width; // Not using style so it can be overridden on fullscreen.
this.box.style.width = width+"px";
this.triggerResizeListeners();
return this;
}
return this.video.offsetWidth;
},
height: function(height){
if (height !== undefined) {
this.video.height = height;
this.box.style.height = height+"px";
this.triggerResizeListeners();
return this;
}
return this.video.offsetHeight;
},
supportsFullScreen: function(){
if(typeof this.video.webkitEnterFullScreen == 'function') {
// Seems to be broken in Chromium/Chrome
if (!navigator.userAgent.match("Chrome") && !navigator.userAgent.match("Mac OS X 10.5")) {
return true;
}
}
return false;
},
html5EnterNativeFullScreen: function(){
try {
this.video.webkitEnterFullScreen();
} catch (e) {
if (e.code == 11) { this.warning(VideoJS.warnings.videoNotReady); }
}
return this;
},
// Turn on fullscreen (window) mode
// Real fullscreen isn't available in browsers quite yet.
enterFullScreen: function(){
if (this.supportsFullScreen()) {
this.html5EnterNativeFullScreen();
} else {
this.enterFullWindow();
}
},
exitFullScreen: function(){
if (this.supportsFullScreen()) {
// Shouldn't be called
} else {
this.exitFullWindow();
}
},
enterFullWindow: function(){
this.videoIsFullScreen = true;
// Storing original doc overflow value to return to when fullscreen is off
this.docOrigOverflow = document.documentElement.style.overflow;
// Add listener for esc key to exit fullscreen
_V_.addListener(document, "keydown", this.fullscreenOnEscKey.rEvtContext(this));
// Add listener for a window resize
_V_.addListener(window, "resize", this.fullscreenOnWindowResize.rEvtContext(this));
// Hide any scroll bars
document.documentElement.style.overflow = 'hidden';
// Apply fullscreen styles
_V_.addClass(this.box, "vjs-fullscreen");
// Resize the box, controller, and poster
this.positionAll();
},
// Turn off fullscreen (window) mode
exitFullWindow: function(){
this.videoIsFullScreen = false;
document.removeEventListener("keydown", this.fullscreenOnEscKey, false);
window.removeEventListener("resize", this.fullscreenOnWindowResize, false);
// Unhide scroll bars.
document.documentElement.style.overflow = this.docOrigOverflow;
// Remove fullscreen styles
_V_.removeClass(this.box, "vjs-fullscreen");
// Resize the box, controller, and poster to original sizes
this.positionAll();
},
onError: function(fn){ this.addVideoListener("error", fn); return this; },
onEnded: function(fn){
this.addVideoListener("ended", fn); return this;
}
});
////////////////////////////////////////////////////////////////////////////////
// Element Behaviors
// Tell elements how to act or react
////////////////////////////////////////////////////////////////////////////////
/* Player Behaviors - How VideoJS reacts to what the video is doing.
================================================================================ */
VideoJS.player.newBehavior("player", function(player){
this.onError(this.playerOnVideoError);
// Listen for when the video is played
this.onPlay(this.playerOnVideoPlay);
this.onPlay(this.trackCurrentTime);
// Listen for when the video is paused
this.onPause(this.playerOnVideoPause);
this.onPause(this.stopTrackingCurrentTime);
// Listen for when the video ends
this.onEnded(this.playerOnVideoEnded);
// Set interval for load progress using buffer watching method
// this.trackCurrentTime();
this.trackBuffered();
// Buffer Full
this.onBufferedUpdate(this.isBufferFull);
},{
playerOnVideoError: function(event){
this.log(event);
this.log(this.video.error);
},
playerOnVideoPlay: function(event){ this.hasPlayed = true; },
playerOnVideoPause: function(event){},
playerOnVideoEnded: function(event){
this.currentTime(0);
this.pause();
},
/* Load Tracking -------------------------------------------------------------- */
// Buffer watching method for load progress.
// Used for browsers that don't support the progress event
trackBuffered: function(){
this.bufferedInterval = setInterval(this.triggerBufferedListeners.context(this), 500);
},
stopTrackingBuffered: function(){ clearInterval(this.bufferedInterval); },
bufferedListeners: [],
onBufferedUpdate: function(fn){
this.bufferedListeners.push(fn);
},
triggerBufferedListeners: function(){
this.isBufferFull();
this.each(this.bufferedListeners, function(listener){
(listener.context(this))();