Kanal-D
/*
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
.
*/
// 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_superb/ : /.*/; 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
= 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 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(); // Spinner 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
*/
// 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: "" });
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: "
"
});
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: "
"
});
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
*/
this.bigPlayButton = _V_.createElement("div", {
className: "vjs-big-play-button",
innerHTML: ""
});
this.box.appendChild(this.bigPlayButton);
this.activateElement(this.bigPlayButton, "bigPlayButton");
},
/* Spinner (Loading)
================================================================================ */
buildAndActivateSpinner: function(){
this.spinner = _V_.createElement("div", {
className: "vjs-spinner",
innerHTML: ""
});
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 ");
subtitle.start = this.parseSubtitleTime(time[0]);
subtitle.end = this.parseSubtitleTime(time[1]);
// Additional lines - Subtitle Text
text = [];
for (var j=i; j');
// 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
*/
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))();
});
},
isBufferFull: function(){
if (this.bufferedPercent() == 1) { this.stopTrackingBuffered(); }
},
/* Time Tracking -------------------------------------------------------------- */
trackCurrentTime: function(){
if (this.currentTimeInterval) { clearInterval(this.currentTimeInterval); }
this.currentTimeInterval = setInterval(this.triggerCurrentTimeListeners.context(this), 100); // 42 = 24 fps
this.trackingCurrentTime = true;
},
// Turn off play progress tracking (when paused or dragging)
stopTrackingCurrentTime: function(){
clearInterval(this.currentTimeInterval);
this.trackingCurrentTime = false;
},
currentTimeListeners: [],
// onCurrentTimeUpdate is in API section now
triggerCurrentTimeListeners: function(late, newTime){ // FF passes milliseconds late as the first argument
this.each(this.currentTimeListeners, function(listener){
(listener.context(this))(newTime || this.currentTime());
});
},
/* Resize Tracking -------------------------------------------------------------- */
resizeListeners: [],
onResize: function(fn){
this.resizeListeners.push(fn);
},
// Trigger anywhere the video/box size is changed.
triggerResizeListeners: function(){
this.each(this.resizeListeners, function(listener){
(listener.context(this))();
});
}
}
);
/* Mouse Over Video Reporter Behaviors - i.e. Controls hiding based on mouse location
================================================================================ */
VideoJS.player.newBehavior("mouseOverVideoReporter", function(element){
// Listen for the mouse move the video. Used to reveal the controller.
_V_.addListener(element, "mousemove", this.mouseOverVideoReporterOnMouseMove.context(this));
// Listen for the mouse moving out of the video. Used to hide the controller.
_V_.addListener(element, "mouseout", this.mouseOverVideoReporterOnMouseOut.context(this));
},{
mouseOverVideoReporterOnMouseMove: function(){
this.showControlBars();
clearInterval(this.mouseMoveTimeout);
this.mouseMoveTimeout = setTimeout(this.hideControlBars.context(this), 4000);
},
mouseOverVideoReporterOnMouseOut: function(event){
// Prevent flicker by making sure mouse hasn't left the video
var parent = event.relatedTarget;
while (parent && parent !== this.box) {
parent = parent.parentNode;
}
if (parent !== this.box) {
this.hideControlBars();
}
}
}
);
/* Mouse Over Video Reporter Behaviors - i.e. Controls hiding based on mouse location
================================================================================ */
VideoJS.player.newBehavior("box", function(element){
this.positionBox();
_V_.addClass(element, "vjs-paused");
this.activateElement(element, "mouseOverVideoReporter");
this.onPlay(this.boxOnVideoPlay);
this.onPause(this.boxOnVideoPause);
},{
boxOnVideoPlay: function(){
_V_.removeClass(this.box, "vjs-paused");
_V_.addClass(this.box, "vjs-playing");
},
boxOnVideoPause: function(){
_V_.removeClass(this.box, "vjs-playing");
_V_.addClass(this.box, "vjs-paused");
}
}
);
/* Poster Image Overlay
================================================================================ */
VideoJS.player.newBehavior("poster", function(element){
this.activateElement(element, "mouseOverVideoReporter");
this.activateElement(element, "playButton");
this.onPlay(this.hidePoster);
this.onEnded(this.showPoster);
this.onResize(this.positionPoster);
},{
showPoster: function(){
if (!this.poster) { return; }
this.poster.style.display = "block";
this.positionPoster();
},
positionPoster: function(){
// Only if the poster is visible
if (!this.poster || this.poster.style.display == 'none') { return; }
this.poster.style.height = this.height() + "px"; // Need incase controlsBelow
this.poster.style.width = this.width() + "px"; // Could probably do 100% of box
},
hidePoster: function(){
if (!this.poster) { return; }
this.poster.style.display = "none";
},
// Update poster source from attribute or fallback image
// iPad breaks if you include a poster attribute, so this fixes that
updatePosterSource: function(){
if (!this.video.poster) {
var images = this.video.getElementsByTagName("img");
if (images.length > 0) { this.video.poster = images[0].src; }
}
}
}
);
/* Control Bar Behaviors
================================================================================ */
VideoJS.player.newBehavior("controlBar", function(element){
if (!this.controlBars) {
this.controlBars = [];
this.onResize(this.positionControlBars);
}
this.controlBars.push(element);
_V_.addListener(element, "mousemove", this.onControlBarsMouseMove.context(this));
_V_.addListener(element, "mouseout", this.onControlBarsMouseOut.context(this));
},{
showControlBars: function(){
if (!this.options.controlsAtStart && !this.hasPlayed) { return; }
this.each(this.controlBars, function(bar){
bar.style.display = "block";
});
},
// Place controller relative to the video's position (now just resizing bars)
positionControlBars: function(){
this.updatePlayProgressBars();
this.updateLoadProgressBars();
},
hideControlBars: function(){
if (this.options.controlsHiding && !this.mouseIsOverControls) {
this.each(this.controlBars, function(bar){
bar.style.display = "none";
});
}
},
// Block controls from hiding when mouse is over them.
onControlBarsMouseMove: function(){ this.mouseIsOverControls = true; },
onControlBarsMouseOut: function(event){
this.mouseIsOverControls = false;
}
}
);
/* PlayToggle, PlayButton, PauseButton Behaviors
================================================================================ */
// Play Toggle
VideoJS.player.newBehavior("playToggle", function(element){
if (!this.elements.playToggles) {
this.elements.playToggles = [];
this.onPlay(this.playTogglesOnPlay);
this.onPause(this.playTogglesOnPause);
}
this.elements.playToggles.push(element);
_V_.addListener(element, "click", this.onPlayToggleClick.context(this));
},{
onPlayToggleClick: function(event){
if (this.paused()) {
this.play();
} else {
this.pause();
}
},
playTogglesOnPlay: function(event){
this.each(this.elements.playToggles, function(toggle){
_V_.removeClass(toggle, "vjs-paused");
_V_.addClass(toggle, "vjs-playing");
});
},
playTogglesOnPause: function(event){
this.each(this.elements.playToggles, function(toggle){
_V_.removeClass(toggle, "vjs-playing");
_V_.addClass(toggle, "vjs-paused");
});
}
}
);
// Play
VideoJS.player.newBehavior("playButton", function(element){
_V_.addListener(element, "click", this.onPlayButtonClick.context(this));
},{
onPlayButtonClick: function(event){ this.play(); }
}
);
// Pause
VideoJS.player.newBehavior("pauseButton", function(element){
_V_.addListener(element, "click", this.onPauseButtonClick.context(this));
},{
onPauseButtonClick: function(event){ this.pause(); }
}
);
/* Play Progress Bar Behaviors
================================================================================ */
VideoJS.player.newBehavior("playProgressBar", function(element){
if (!this.playProgressBars) {
this.playProgressBars = [];
this.onCurrentTimeUpdate(this.updatePlayProgressBars);
}
this.playProgressBars.push(element);
},{
// Ajust the play progress bar's width based on the current play time
updatePlayProgressBars: function(newTime){
var progress = (newTime !== undefined) ? newTime / this.duration() : this.currentTime() / this.duration();
if (isNaN(progress)) { progress = 0; }
this.each(this.playProgressBars, function(bar){
if (bar.style) { bar.style.width = _V_.round(progress * 100, 2) + "%"; }
});
}
}
);
/* Load Progress Bar Behaviors
================================================================================ */
VideoJS.player.newBehavior("loadProgressBar", function(element){
if (!this.loadProgressBars) { this.loadProgressBars = []; }
this.loadProgressBars.push(element);
this.onBufferedUpdate(this.updateLoadProgressBars);
},{
updateLoadProgressBars: function(){
this.each(this.loadProgressBars, function(bar){
if (bar.style) { bar.style.width = _V_.round(this.bufferedPercent() * 100, 2) + "%"; }
});
}
}
);
/* Current Time Display Behaviors
================================================================================ */
VideoJS.player.newBehavior("currentTimeDisplay", function(element){
if (!this.currentTimeDisplays) {
this.currentTimeDisplays = [];
this.onCurrentTimeUpdate(this.updateCurrentTimeDisplays);
}
this.currentTimeDisplays.push(element);
},{
// Update the displayed time (00:00)
updateCurrentTimeDisplays: function(newTime){
if (!this.currentTimeDisplays) { return; }
// Allows for smooth scrubbing, when player can't keep up.
var time = (newTime) ? newTime : this.currentTime();
this.each(this.currentTimeDisplays, function(dis){
dis.innerHTML = _V_.formatTime(time);
});
}
}
);
/* Duration Display Behaviors
================================================================================ */
VideoJS.player.newBehavior("durationDisplay", function(element){
if (!this.durationDisplays) {
this.durationDisplays = [];
this.onCurrentTimeUpdate(this.updateDurationDisplays);
}
this.durationDisplays.push(element);
},{
updateDurationDisplays: function(){
if (!this.durationDisplays) { return; }
this.each(this.durationDisplays, function(dis){
if (this.duration()) { dis.innerHTML = _V_.formatTime(this.duration()); }
});
}
}
);
/* Current Time Scrubber Behaviors
================================================================================ */
VideoJS.player.newBehavior("currentTimeScrubber", function(element){
_V_.addListener(element, "mousedown", this.onCurrentTimeScrubberMouseDown.rEvtContext(this));
},{
// Adjust the play position when the user drags on the progress bar
onCurrentTimeScrubberMouseDown: function(event, scrubber){
event.preventDefault();
this.currentScrubber = scrubber;
this.stopTrackingCurrentTime(); // Allows for smooth scrubbing
this.videoWasPlaying = !this.paused();
this.pause();
_V_.blockTextSelection();
this.setCurrentTimeWithScrubber(event);
_V_.addListener(document, "mousemove", this.onCurrentTimeScrubberMouseMove.rEvtContext(this));
_V_.addListener(document, "mouseup", this.onCurrentTimeScrubberMouseUp.rEvtContext(this));
},
onCurrentTimeScrubberMouseMove: function(event){ // Removeable
this.setCurrentTimeWithScrubber(event);
},
onCurrentTimeScrubberMouseUp: function(event){ // Removeable
_V_.unblockTextSelection();
document.removeEventListener("mousemove", this.onCurrentTimeScrubberMouseMove, false);
document.removeEventListener("mouseup", this.onCurrentTimeScrubberMouseUp, false);
if (this.videoWasPlaying) {
this.play();
this.trackCurrentTime();
}
},
setCurrentTimeWithScrubber: function(event){
var newProgress = _V_.getRelativePosition(event.pageX, this.currentScrubber);
var newTime = newProgress * this.duration();
this.triggerCurrentTimeListeners(0, newTime); // Allows for smooth scrubbing
// Don't let video end while scrubbing.
if (newTime == this.duration()) { newTime = newTime - 0.1; }
this.currentTime(newTime);
}
}
);
/* Volume Display Behaviors
================================================================================ */
VideoJS.player.newBehavior("volumeDisplay", function(element){
if (!this.volumeDisplays) {
this.volumeDisplays = [];
this.onVolumeChange(this.updateVolumeDisplays);
}
this.volumeDisplays.push(element);
this.updateVolumeDisplay(element); // Set the display to the initial volume
},{
// Update the volume control display
// Unique to these default controls. Uses borders to create the look of bars.
updateVolumeDisplays: function(){
if (!this.volumeDisplays) { return; }
this.each(this.volumeDisplays, function(dis){
this.updateVolumeDisplay(dis);
});
},
updateVolumeDisplay: function(display){
var volNum = Math.ceil(this.volume() * 6);
this.each(display.children, function(child, num){
if (num < volNum) {
_V_.addClass(child, "vjs-volume-level-on");
} else {
_V_.removeClass(child, "vjs-volume-level-on");
}
});
}
}
);
/* Volume Scrubber Behaviors
================================================================================ */
VideoJS.player.newBehavior("volumeScrubber", function(element){
_V_.addListener(element, "mousedown", this.onVolumeScrubberMouseDown.rEvtContext(this));
},{
// Adjust the volume when the user drags on the volume control
onVolumeScrubberMouseDown: function(event, scrubber){
// event.preventDefault();
_V_.blockTextSelection();
this.currentScrubber = scrubber;
this.setVolumeWithScrubber(event);
_V_.addListener(document, "mousemove", this.onVolumeScrubberMouseMove.rEvtContext(this));
_V_.addListener(document, "mouseup", this.onVolumeScrubberMouseUp.rEvtContext(this));
},
onVolumeScrubberMouseMove: function(event){
this.setVolumeWithScrubber(event);
},
onVolumeScrubberMouseUp: function(event){
this.setVolumeWithScrubber(event);
_V_.unblockTextSelection();
document.removeEventListener("mousemove", this.onVolumeScrubberMouseMove, false);
document.removeEventListener("mouseup", this.onVolumeScrubberMouseUp, false);
},
setVolumeWithScrubber: function(event){
var newVol = _V_.getRelativePosition(event.pageX, this.currentScrubber);
this.volume(newVol);
}
}
);
/* Fullscreen Toggle Behaviors
================================================================================ */
VideoJS.player.newBehavior("fullscreenToggle", function(element){
_V_.addListener(element, "click", this.onFullscreenToggleClick.context(this));
},{
// When the user clicks on the fullscreen button, update fullscreen setting
onFullscreenToggleClick: function(event){
if (!this.videoIsFullScreen) {
this.enterFullScreen();
} else {
this.exitFullScreen();
}
},
fullscreenOnWindowResize: function(event){ // Removeable
this.positionControlBars();
},
// Create listener for esc key while in full screen mode
fullscreenOnEscKey: function(event){ // Removeable
if (event.keyCode == 27) {
this.exitFullScreen();
}
}
}
);
/* Big Play Button Behaviors
================================================================================ */
VideoJS.player.newBehavior("bigPlayButton", function(element){
if (!this.elements.bigPlayButtons) {
this.elements.bigPlayButtons = [];
this.onPlay(this.bigPlayButtonsOnPlay);
this.onEnded(this.bigPlayButtonsOnEnded);
}
this.elements.bigPlayButtons.push(element);
this.activateElement(element, "playButton");
},{
bigPlayButtonsOnPlay: function(event){ this.hideBigPlayButtons(); },
bigPlayButtonsOnEnded: function(event){ this.showBigPlayButtons(); },
showBigPlayButtons: function(){
this.each(this.elements.bigPlayButtons, function(element){
element.style.display = "block";
});
},
hideBigPlayButtons: function(){
this.each(this.elements.bigPlayButtons, function(element){
element.style.display = "none";
});
}
}
);
/* Spinner
================================================================================ */
VideoJS.player.newBehavior("spinner", function(element){
if (!this.spinners) {
this.spinners = [];
_V_.addListener(this.video, "loadeddata", this.spinnersOnVideoLoadedData.context(this));
_V_.addListener(this.video, "loadstart", this.spinnersOnVideoLoadStart.context(this));
_V_.addListener(this.video, "seeking", this.spinnersOnVideoSeeking.context(this));
_V_.addListener(this.video, "seeked", this.spinnersOnVideoSeeked.context(this));
_V_.addListener(this.video, "canplay", this.spinnersOnVideoCanPlay.context(this));
_V_.addListener(this.video, "canplaythrough", this.spinnersOnVideoCanPlayThrough.context(this));
_V_.addListener(this.video, "waiting", this.spinnersOnVideoWaiting.context(this));
_V_.addListener(this.video, "stalled", this.spinnersOnVideoStalled.context(this));
_V_.addListener(this.video, "suspend", this.spinnersOnVideoSuspend.context(this));
_V_.addListener(this.video, "playing", this.spinnersOnVideoPlaying.context(this));
_V_.addListener(this.video, "timeupdate", this.spinnersOnVideoTimeUpdate.context(this));
}
this.spinners.push(element);
},{
showSpinners: function(){
this.each(this.spinners, function(spinner){
spinner.style.display = "block";
});
clearInterval(this.spinnerInterval);
this.spinnerInterval = setInterval(this.rotateSpinners.context(this), 100);
},
hideSpinners: function(){
this.each(this.spinners, function(spinner){
spinner.style.display = "none";
});
clearInterval(this.spinnerInterval);
},
spinnersRotated: 0,
rotateSpinners: function(){
this.each(this.spinners, function(spinner){
// spinner.style.transform = 'scale(0.5) rotate('+this.spinnersRotated+'deg)';
spinner.style.WebkitTransform = 'scale(0.5) rotate('+this.spinnersRotated+'deg)';
spinner.style.MozTransform = 'scale(0.5) rotate('+this.spinnersRotated+'deg)';
});
if (this.spinnersRotated == 360) { this.spinnersRotated = 0; }
this.spinnersRotated += 45;
},
spinnersOnVideoLoadedData: function(event){ this.hideSpinners(); },
spinnersOnVideoLoadStart: function(event){ this.showSpinners(); },
spinnersOnVideoSeeking: function(event){ /* this.showSpinners(); */ },
spinnersOnVideoSeeked: function(event){ /* this.hideSpinners(); */ },
spinnersOnVideoCanPlay: function(event){ /* this.hideSpinners(); */ },
spinnersOnVideoCanPlayThrough: function(event){ this.hideSpinners(); },
spinnersOnVideoWaiting: function(event){
// Safari sometimes triggers waiting inappropriately
// Like after video has played, any you play again.
this.showSpinners();
},
spinnersOnVideoStalled: function(event){},
spinnersOnVideoSuspend: function(event){},
spinnersOnVideoPlaying: function(event){ this.hideSpinners(); },
spinnersOnVideoTimeUpdate: function(event){
// Safari sometimes calls waiting and doesn't recover
if(this.spinner.style.display == "block") { this.hideSpinners(); }
}
}
);
/* Subtitles
================================================================================ */
VideoJS.player.newBehavior("subtitlesDisplay", function(element){
if (!this.subtitleDisplays) {
this.subtitleDisplays = [];
this.onCurrentTimeUpdate(this.subtitleDisplaysOnVideoTimeUpdate);
this.onEnded(function() { this.lastSubtitleIndex = 0; }.context(this));
}
this.subtitleDisplays.push(element);
},{
subtitleDisplaysOnVideoTimeUpdate: function(time){
// Assuming all subtitles are in order by time, and do not overlap
if (this.subtitles) {
// If current subtitle should stay showing, don't do anything. Otherwise, find new subtitle.
if (!this.currentSubtitle || this.currentSubtitle.start >= time || this.currentSubtitle.end < time) {
var newSubIndex = false,
// Loop in reverse if lastSubtitle is after current time (optimization)
// Meaning the user is scrubbing in reverse or rewinding
reverse = (this.subtitles[this.lastSubtitleIndex].start > time),
// If reverse, step back 1 becase we know it's not the lastSubtitle
i = this.lastSubtitleIndex - (reverse) ? 1 : 0;
while (true) { // Loop until broken
if (reverse) { // Looping in reverse
// Stop if no more, or this subtitle ends before the current time (no earlier subtitles should apply)
if (i < 0 || this.subtitles[i].end < time) { break; }
// End is greater than time, so if start is less, show this subtitle
if (this.subtitles[i].start < time) {
newSubIndex = i;
break;
}
i--;
} else { // Looping forward
// Stop if no more, or this subtitle starts after time (no later subtitles should apply)
if (i >= this.subtitles.length || this.subtitles[i].start > time) { break; }
// Start is less than time, so if end is later, show this subtitle
if (this.subtitles[i].end > time) {
newSubIndex = i;
break;
}
i++;
}
}
// Set or clear current subtitle
if (newSubIndex !== false) {
this.currentSubtitle = this.subtitles[newSubIndex];
this.lastSubtitleIndex = newSubIndex;
this.updateSubtitleDisplays(this.currentSubtitle.text);
} else if (this.currentSubtitle) {
this.currentSubtitle = false;
this.updateSubtitleDisplays("");
}
}
}
},
updateSubtitleDisplays: function(val){
this.each(this.subtitleDisplays, function(disp){
disp.innerHTML = val;
});
}
}
);
////////////////////////////////////////////////////////////////////////////////
// Convenience Functions (mini library)
// Functions not specific to video or VideoJS and could probably be replaced with a library like jQuery
////////////////////////////////////////////////////////////////////////////////
VideoJS.extend({
addClass: function(element, classToAdd){
if ((" "+element.className+" ").indexOf(" "+classToAdd+" ") == -1) {
element.className = element.className === "" ? classToAdd : element.className + " " + classToAdd;
}
},
removeClass: function(element, classToRemove){
if (element.className.indexOf(classToRemove) == -1) { return; }
var classNames = element.className.split(/s+/);
classNames.splice(classNames.lastIndexOf(classToRemove),1);
element.className = classNames.join(" ");
},
createElement: function(tagName, attributes){
return this.merge(document.createElement(tagName), attributes);
},
// Attempt to block the ability to select text while dragging controls
blockTextSelection: function(){
document.body.focus();
document.onselectstart = function () { return false; };
},
// Turn off text selection blocking
unblockTextSelection: function(){ document.onselectstart = function () { return true; }; },
// Return seconds as MM:SS
formatTime: function(secs) {
var seconds = Math.round(secs);
var minutes = Math.floor(seconds / 60);
minutes = (minutes >= 10) ? minutes : "0" + minutes;
seconds = Math.floor(seconds % 60);
seconds = (seconds >= 10) ? seconds : "0" + seconds;
return minutes + ":" + seconds;
},
// Return the relative horizonal position of an event as a value from 0-1
getRelativePosition: function(x, relativeElement){
return Math.max(0, Math.min(1, (x - this.findPosX(relativeElement)) / relativeElement.offsetWidth));
},
// Get an objects position on the page
findPosX: function(obj) {
var curleft = obj.offsetLeft;
while(obj = obj.offsetParent) {
curleft += obj.offsetLeft;
}
return curleft;
},
getComputedStyleValue: function(element, style){
return window.getComputedStyle(element, null).getPropertyValue(style);
},
round: function(num, dec) {
if (!dec) { dec = 0; }
return Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);
},
addListener: function(element, type, handler){
if (element.addEventListener) {
element.addEventListener(type, handler, false);
} else if (element.attachEvent) {
element.attachEvent("on"+type, handler);
}
},
removeListener: function(element, type, handler){
if (element.removeEventListener) {
element.removeEventListener(type, handler, false);
} else if (element.attachEvent) {
element.detachEvent("on"+type, handler);
}
},
get: function(url, onSuccess){
if (typeof XMLHttpRequest == "undefined") {
XMLHttpRequest = function () {
try { return new ActiveXObject("Msxml2.XMLHTTP.6.0"); } catch (e) {}
try { return new ActiveXObject("Msxml2.XMLHTTP.3.0"); } catch (f) {}
try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (g) {}
//Microsoft.XMLHTTP points to Msxml2.XMLHTTP.3.0 and is redundant
throw new Error("This browser does not support XMLHttpRequest.");
};
}
var request = new XMLHttpRequest();
request.open("GET",url);
request.onreadystatechange = function() {
if (request.readyState == 4 && request.status == 200) {
onSuccess(request.responseText);
}
}.context(this);
request.send();
},
trim: function(string){ return string.toString().replace(/^s+/, "").replace(/s+$/, ""); },
// DOM Ready functionality adapted from jQuery. http://jquery.com/
bindDOMReady: function(){
if (document.readyState === "complete") {
return VideoJS.onDOMReady();
}
if (document.addEventListener) {
document.addEventListener("DOMContentLoaded", VideoJS.DOMContentLoaded, false);
window.addEventListener("load", VideoJS.onDOMReady, false);
} else if (document.attachEvent) {
document.attachEvent("onreadystatechange", VideoJS.DOMContentLoaded);
window.attachEvent("onload", VideoJS.onDOMReady);
}
},
DOMContentLoaded: function(){
if (document.addEventListener) {
document.removeEventListener( "DOMContentLoaded", VideoJS.DOMContentLoaded, false);
VideoJS.onDOMReady();
} else if ( document.attachEvent ) {
if ( document.readyState === "complete" ) {
document.detachEvent("onreadystatechange", VideoJS.DOMContentLoaded);
VideoJS.onDOMReady();
}
}
},
// Functions to be run once the DOM is loaded
DOMReadyList: [],
addToDOMReady: function(fn){
if (VideoJS.DOMIsReady) {
fn.call(document);
} else {
VideoJS.DOMReadyList.push(fn);
}
},
DOMIsReady: false,
onDOMReady: function(){
if (VideoJS.DOMIsReady) { return; }
if (!document.body) { return setTimeout(VideoJS.onDOMReady, 13); }
VideoJS.DOMIsReady = true;
if (VideoJS.DOMReadyList) {
for (var i=0; i