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jquery.swaggplayer.js
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jquery.swaggplayer.js
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/*
Swagg Player: Music Player for the web
--------------------------------------------
http://swaggplayer.no.de
http://johnnyray.me
Copyright (c) 2010, Johnny Austin. All rights reserved.
Code provided under the MIT License:
http://www.opensource.org/licenses/mit-license.php
v0.8.7.8
Change Log
- swagg player no longer displays song info - leaves that to the api
- pass playlist listeners in parameters
- fixed stopping bug (button rever to play on finish of last song)
*/
(function ($) {
"use strict";
/*global soundManager: false, setInterval: false, console: false, $: false */
Function.prototype.method = function(name, func) {
if (!this[name]) {
this.prototype[name] = func;
}
return this;
};
Function.prototype.methods = function(obj) {
for (var prop in obj) {
this.method(prop,obj[prop]);
}
};
// BEGIN BROWSER DETECT
var Browser = {
isIe : function(){
return (navigator.userAgent.indexOf('MSIE') > -1) ? true : false;
},
isSafari : function(){
return (navigator.userAgent.indexOf('AppleWebKit') > -1 && navigator.userAgent.indexOf('Chrome') === -1);
}
}; // END BROWSER DETECT
var Init = {
initializeSoundManager : function() {
if (!soundManager) {
window.soundManager = new SoundManager();
var sm = window.soundManager;
sm.url = 'swf';
sm.wmode = 'transparent';
sm.useFastPolling = true;
sm.useHTML5Audio = true;
if (Browser.isSafari()) {
soundManager.useHighPerformance = false;
}
else {
sm.useHighPerformance = true;
}
sm.flashLoadTimeout = 1000;
sm.beginDelayedInit();
}
},
ieStuff : function() {
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function (searchElement, fromIndex ) {
"use strict";
if (this === null) {
throw new TypeError();
}
var t = Object(this);
var len = t.length >>> 0;
if (len === 0) {
return -1;
}
var n = 0;
if (arguments.length > 0) {
n = Number(arguments[1]);
if (n === NaN) {
n = 0;
} else if (n !== 0 && n !== Infinity && n !== -Infinity) {
n = (n > 0 || -1) * Math.floor(Math.abs(n));
}
}
if (n >= len) {
return -1;
}
var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
for (; k < len; k++) {
if (k in t && t[k] === searchElement) {
return k;
}
}
return -1;
};
}
}
};
$.fn.SwaggPlayer = function (options_) {
var id = {};
id['id'] = this.attr('id');
if (id['id']) {
if (!Browser.isIe()) {
if (console.time) {
console.time('SwaggPlayerStart');
}
}
Init.initializeSoundManager();
Init.ieStuff();
if (soundManager) {
var opts = $.extend(options_, id),
player = new Controller();
player.init(opts);
} else {
$.error('An error occured while initializing soundManager!');
}
} else {
$.error('Swagg Player element missing id attribute!');
}
};
/*
============================================================ configuration
Encapsulation for passed in configuration
*/
var Config = function(p) {
this.PLAYER = p;
this.props = {};
this.callbacks = {};
this.consoleSupport = false;
if (console) {
this.consoleSupport = true;
}
};
/*
============================================================ logging utility
For logging, of course. Using this centralized location for logging to check for
support because IE is funny acting with the console object
*/
var Logger = function(p, _id) {
this.PLAYER = p;
this.log = p._config.consoleSupport;
this.logging = p._config.props.logging || [];
this.levelall = this.logging.indexOf('all') > -1;
this.levelinfo = this.levelall === true ? true : this.logging.indexOf('info') > -1;
this.levelerror = this.levelall === true ? true : this.logging.indexOf('error') > -1;
this.levelapierror = this.levelall === true ? true : this.logging.indexOf('apierror') > -1;
this.levelwarn = this.levelall === true ? true : this.logging.indexOf('warn') > -1;
this.leveldebug = this.levelall === true ? true : this.logging.indexOf('debug') > -1;
this.id = _id;
};
Logger.methods({
error : function(errMsg){
if (this.levelerror && this.log) {
console.error('Swagg Player::' + this.id + '::Error::' + errMsg);
}
},
info : function(info){
if (this.levelinfo && this.log) {
console.log('Swagg Player::' + this.id + '::Info::' + info);
}
},
warn : function(warning) {
if (this.levelwarn && this.log) {
console.warn('Swagg Player::' + this.id + '::Warning::' + warning);
}
},
debug : function(warning) {
if (this.leveldebug && this.log) {
console.warn('Swagg Player::' + this.id + '::Debug::' + warning);
}
},
apierror : function(errMsg) {
if (this.levelapierror && thims.log) {
console.error('Swagg Player::' + this.id + '::API Error::' + errMsg);
}
}
});
var Utils = function(){};
Utils.method('timeString', function(str) {
var tmp = parseInt(str,10),
t = tmp > 9 ? str : '0' + str;
return t !== '60' ? t : '00';
});
/*
Creates soundManager sound objects
*/
var SoundFactory = function(p) {
this.player = p;
p._logger.debug('SoundFactory Initiated');
};
SoundFactory.methods({
createSound : function(songObj) {
var self = this,
html = self.player._html,
config = self.player._config,
songs = self.player._data.songs,
id = songObj.id;
if (html.useArt === true && songObj.thumb !== undefined) {
songObj.configureArt();
songObj.image = new Image();
songObj.image.src = songObj.thumb;
}
if (!songs[songObj.id]) {
self.player._data.songs.push(songObj);
}
var myid = self.player._html.player + '-song-' + id.toString();
var sm = window.soundManager;
sm.callback = function(params) {
$.when(params.scope.player[params.first](params.sound)).done(
function(args) {
params.scope.player.executeIfExists(params.next, params.sound, args);
}
);
};
var newSound = sm.createSound({
id: myid,
url: songObj.url,
autoLoad: config.props.eagerLoad || false,
usePolicyFile: false,
onplay: function(){
var sound = this;
sm.callback({
scope : self,
first : '_onplay',
sound : this,
next : 'onPlay'
});
},
onpause: function(){
var sound = this;
sm.callback({
scope : self,
first : '_onpause',
sound : this,
next : 'onPause'
});
},
onstop: function(){
var sound = this;
sm.callback({
scope : self,
first : '_onstop',
sound : this,
next : 'onStop'
});
},
onfinish: function(){
var sound = this;
sm.callback({
scope : self,
first : '_onfinish',
sound : this,
next : 'onFinish'
});
},
onresume: function(){
var sound = this;
sm.callback({
scope : self,
first : '_onresume',
sound : this,
next : 'onResume'
});
},
whileplaying: function() {
var sound = this;
sm.callback({
scope : self,
first : '_whileplaying',
sound : this,
next : 'whilePlaying'
});
},
whileloading: function(){
var sound = this;
sm.callback({
scope : self,
first : '_whileloading',
sound : this,
next : 'whileLoading'
});
},
onerror: function(){
var sound = this;
sm.callback({
scope : self,
first : '_onerror',
sound : this,
next : 'onError'
});
}
});
newSound.id = myid;
newSound.repeat = self.player.internal.repeat;
self.player._data.last_song = songObj.id;
if (html.playList !== undefined && html.playList === true) {
self.player.appendToPlaylist(newSound);
}
return newSound;
}
});
/* Model for songs */
var Song = function(obj, id) {
var prop;
for (prop in obj) {
this[prop] = obj[prop];
}
this.id = id;
};
Song.method('configureArt', function(thumb) {
this.image = new Image();
this.image.src = thumb || this.thumb;
});
/*
=============================================== swagg player data
handles the fetching and processing of songs
*/
var Data = function(p) {
p._logger.debug('Data intializing');
this.PLAYER = p;
this.last_song = -1;
this.songs = [];
this.curr_sprite_class = '';
this.isIe = Browser.isIe();
this.curr_song = -1;
this.vol_interval = 20;
this.interval_id = -1;
};
Data.methods({
processSongs : function(theData){
var player = this.PLAYER,
_songs = new Array(),
size = theData.length,
_html = player._html,
_config_ = player._config;
// preload SONG album and append an IDs to the songs - make configurable in the future
// to avoid having to loop through JSON array
for (var i = 0; i < size; i++) {
var tmp = new Song(theData[i], i);
if (_html.useArt === true && theData[i].thumb !== undefined) {
tmp.configureArt(theData[i].thumb);
theData[i].image = new Image();
theData[i].image.src = theData[i].thumb;
}
_songs.push(tmp);
}
this.songs = _songs;
this.last_song = this.songs.length - 1;
},
getSongs : function() {
var self = this,
config = this.PLAYER._config,
theData = config.props.data;
// Check if dataString points to a json file if so, fetch it.
// if not, assume string is a literal JSON object
if (typeof theData === 'string') {
$.ajax({
type: "GET",
url: theData,
dataType: 'json',
success: function(data){
self.processSongs(data);
return null;
},
error: function(xhr, ajaxOptions, thrownError){
var msg = 'There was a problem fetching your songs from the server: ' + thrownError;
self.PLAYER._logger.error(msg);
return msg;
}
});
return null;
} // end if
else {
this.processSongs(theData);
return null;
}
}
});
/*
============================================================ UI elements (divs)
Manages HTML elements associated with Swagg Player
*/
var Html = function(p) {
this.PLAYER = p;
this.div = null;
this.player = null;
this.playlist = null;
this.art = null;
this.loading_indication = null;
this.progress_wrapper = null;
this.bar = null;
this.loaded = null;
this.song_info = null;
this.controls_div = null;
this.bridge_data = null;
this.artist = null;
this.title = null;
this.useArt = false;
this.playList = false;
this.metadata =
{
progressWrapperWidth : 0
};
};
Html.methods({
initHtml : function(config) {
this.PLAYER._logger.debug('Html initializing');
this.player = config.id;
this.playlist = $('#' + this.player + ' .swagg-player-list');
this.art = $('#' + this.player + ' .swagg-player-album-art');
this.loading_indication = $('#' + this.player + ' img.swagg-player-loading');
this.progress_wrapper = $('#' + this.player + ' .swagg-player-progress-wrapper');
this.bar = $('#' + this.player + ' .swagg-player-bar');
this.loaded = $('#' + this.player + ' .swagg-player-loaded');
this.song_info = $('#' + this.player + ' .swagg-player-song-info');
this.controls_div = $('#' + this.player + ' .swagg-player-controls');
this.artist = $('#' + this.player + ' .swagg-player-artist');
this.title = $('#' + this.player + ' .swagg-player-title');
this.user_art_css = {height:0, width:0};
this.useArt = (this.art.length > 0);
this.playList = (this.playlist.length > 0);
},
setupProgressBar : function() {
this.PLAYER._logger.debug('setting up progress bar');
if (this.progress_wrapper.length > 0) {
var wrapper = $('#' + this.player + ' div.swagg-player-progress-wrapper'),
height = wrapper.css('height'),
progress = $('<div></div>'),
loaded = $('<div></div>');
loaded.addClass("swagg-player-loaded").css('height', height).css('width',0).css('float','left').css('margin-left','0');
wrapper.append(loaded);
this.loaded = $('#' + this.player + ' div.swagg-player-loaded');
progress.addClass('swagg-player-bar').css('height', height).css('width',0).css('float','left').css('margin-left','auto');
loaded.append(progress);
this.bar = $('#' + this.player + ' div.swagg-player-bar');
this.metadata.progressWrapperWidth = parseFloat(this.progress_wrapper.css('width'));
}
}
});
/*
============================================================= player controlls
Handles control specific stuff
*/
var Controls = function(p) {
this.PLAYER = p;
this.play = null;
this.skip = null;
this.back = null;
this.stop = null;
};
Controls.methods({
setup : function(img) {
var p = this.PLAYER,
imageLoader = p._imageLoader;
p._logger.debug('setting up controls');
this.play = $('#' + p._html.player + ' .swagg-player-play-button');
this.skip = $('#' + p._html.player + ' .swagg-player-skip-button');
this.back = $('#' + p._html.player + ' .swagg-player-back-button');
this.stop = $('#' + p._html.player + ' .swagg-player-stop-button');
if (imageLoader.play !== null) {
this.play.css('cursor','pointer');
}
if (imageLoader.skip !== null) {
this.skip.css('cursor','pointer');
}
if (imageLoader.back !== null) {
this.back.css('cursor','pointer');
}
if (imageLoader.stop !== null) {
this.stop.css('cursor','pointer');
}
img.css('cursor', 'pointer');
}
});
/*
============================================================== events
Handles Swagg Player events
*/
var Events = function(p) {
this.PLAYER = p;
};
Events.methods({
bindControllerEvents : function() {
var p = this.PLAYER,
controls = p._controls,
imageLoader = p._imageLoader,
images = imageLoader.imagesLoaded,
usehover = p._config.props.buttonHover || false,
ops = ['play', 'back', 'stop', 'skip'],
i, func, _do;
p._logger.debug('Binding controller button events');
for (i = 0; i < ops.length; i++) {
func = ops[i];
if (func === 'play') {
_do = function() {
p.play(p._data.curr_song);
return false;
};
} else if (func === 'skip') {
_do = function() {
p.skip(1);
return false;
};
} else if (func === 'stop') {
_do = function() {
p.stopMusic(p._data.curr_song);
return false;
};
} else if (func === 'back') {
_do = function() {
p.skip(0);
return false;
};
}
this.bindEvents(
{
func : func,
controls : controls,
images : images,
usehover : usehover,
imageLoader : imageLoader
},
_do);
} // end for
},
bindEvents : function(data, task) {
var func = data.func,
controls = data.controls,
images = data.images,
imageLoader = data.imageLoader,
usehover = data.usehover;
controls[func].bind({
click : task,
mouseover : function() {
if (images === true && usehover) {
var but = func + 'Over';
$(this).attr('src', imageLoader[but].src);
}
},
mouseout : function() {
if (images === true && usehover) {
$(this).attr('src', imageLoader[func].src);
}
}
});
},
bindMediaKeyEvents : function() {
var p = this.PLAYER,
curr_song = p._data.curr_song;
p._logger.debug('Binding media key events');
$(document).keydown(function(e) {
if (!e) { e = window.event; }
switch(e.which) {
case 179:
p.play(curr_song);
return false;
case 178:
p.stopMusic(curr_song);
return false;
case 176:
p.skip(1);
return false;
case 177:
p.skip(0);
return false;
case 175:
p.volume(curr_song, 1);
return false;
case 174:
p.volume(curr_song, 0);
return false;
default:
return false;
}
});
},
setupSeek : function() {
// seek to a position in the song
var p = this.PLAYER,
html = p._html;
p._logger.debug('setting up seek events');
html.loaded.css('cursor', 'pointer').bind({
click : function(e) {
var id = html.player + '-song-' + p._data.curr_song,
progressWrapperWidth = html.metadata.progressWrapperWidth,
soundobj = soundManager.getSoundById(id),
x = e.pageX - html.loaded.offset().left,
loaded_ratio = soundobj.bytesLoaded / soundobj.bytesTotal,
duration = p.getDuration(soundobj),
// obtain the position clicked by the user
newPosPercent = x / progressWrapperWidth,
loaded = progressWrapperWidth * loaded_ratio,
// find the position within the song to which the location clicked corresponds
seekTo = Math.round(newPosPercent * duration);
if (seekTo < soundobj.bytesLoaded) {
soundobj.setPosition(seekTo);
p.progress(soundobj);
}
}
});
// seek preview data
html.loaded.bind( 'mouseover hover mousemove',
function(e){
var id = html.player + '-song-' + p._data.curr_song,
config_= p._config,
soundobj = soundManager.getSoundById(id),
x = e.pageX - html.loaded.offset().left,
me = this,
duration = p.getDuration(soundobj),
// obtain the position clicked by the user
newPosPercent = x / html.metadata.progressWrapperWidth,
// find the position within the song to which the location clicked corresponds
seekTo = Math.round(newPosPercent * duration),
time = p.millsToTime(seekTo, 1);
// fire off onSeekPreview event
p.executeIfExists('onSeekPreview', this, [e, time]);
}
);
html.loaded.bind('mouseout',
function(e) {
p.executeIfExists('onSeekHide', this, [e]);
}
);
}
});
/*
============================================================= images for button controls
Loades images for buttons
*/
var ImageLoader = function(p) {
this.PLAYER = p;
this.play = null;
this.playOver = null;
this.pause = null;
this.pauseOver = null;
this.stop = null;
this.stopOver = null;
this.back = null;
this.backOver = null;
this.skip = null;
this.skipOver = null;
this.art = null;
this.imagesLoaded = false;
};
ImageLoader.methods({
setup : function() {
this.PLAYER._logger.debug('setting up image loader');
var config = this.PLAYER._config.props;
if (config.buttonsDir !== undefined) {
this.PLAYER._controls.setup(this.PLAYER._html.controls_div);
this.loadButtonImages(config.buttonsDir);
}
else {
config.buttonHover = false;
}
if (config.spriteImg !== undefined) {
this.art = new Image();
this.art.src = config.spriteImg;
}
},
loadButtonImages : function(imagesDir) {
var player = this.PLAYER,
hover = player._config.props.buttonHover || false,
controls = player._controls;
player._logger.debug('Loading images for controls');
if (controls.play.length > 0) {
this.play = new Image();
this.play.src = imagesDir + 'play.png';
this.pause = new Image();
this.pause.src = imagesDir + 'pause.png';
if (hover === true) {
this.playOver = new Image();
this.playOver.src = imagesDir + 'play-over.png';
this.pauseOver = new Image();
this.pauseOver.src = imagesDir + 'pause-over.png';
}
}
if (controls.skip.length > 0) {
this.skip = new Image();
this.skip.src = imagesDir + 'skip.png';
if (hover === true) {
this.skipOver = new Image();
this.skipOver.src = imagesDir + 'skip-over.png';
}
}
if (controls.back.length > 0) {
this.back = new Image();
this.back.src = imagesDir + 'back.png';
if (hover === true) {
this.backOver = new Image();
this.backOver.src = imagesDir + 'back-over.png';
}
}
if (controls.stop.length > 0) {
this.stop = new Image();
this.stop.src = imagesDir + 'stop.png';
if (hover === true) {
this.stopOver = new Image();
this.stopOver.src = imagesDir + 'stop-over.png';
}
}
this.imagesLoaded = true;
this.PLAYER._logger.info('Images Loaded.');
}
});
var Controller = function(){
this._logger = null;
this._data = null;
this._html = null;
this._config = null;
this._events = null;
this._controls = null;
this._imageLoader = null;
this._swaggPlayerApi = null;
};
Controller.methods({
init : function(config) {
var me = this;
me.initComponents(config);
if (!soundManager.createSongs) {
soundManager.createSongs = function(callback) {
me._logger.info('createSongs()');
var data = me._data,
songs = data.songs;
if(data.songs[0] !== undefined) {
var config = me._config,
html = me._html,
factory = new SoundFactory(me),
s, tmp;
for (var i = 0, end = songs.length; i < end; i++) {
s = songs[i];
tmp = factory.createSound(s);
}
callback.apply(this, [me]);
} else {
me._logger.error('No Songs!!');
}
};
}
// init soundManager
soundManager.onload = function() {
soundManager.createSongs(function(controller) {
var html = controller._html,
data = controller._data,
song = data.songs[0],
config = controller._config;
html.loading_indication.remove();
data.curr_song = 0;
if (html.useArt === true) {
controller._logger.info('Intializing album art...');
// initialize first song album
controller.setAlbumArtStyling(0);
}
controller._events.setupSeek();
if(config.props.autoPlay !== undefined && config.props.autoPlay === true) {
setTimeout(function(){
controller.play(data.curr_song);
},1000);
}
me.executeIfExists('onSetupComplete', this, [me._swaggPlayerApi, song]);
if (!Browser.isIe()) {
if (console.timeEnd) {
console.timeEnd('SwaggPlayerStart');
}
}
controller._logger.info("Swagg Player ready!");
});
}; // end soundManager onload function
// if there's an error loading sound manager, try a reboot
soundManager.onerror = function() {
me._logger.error('An error has occured with loading Sound Manager! Rebooting.');
soundManager.flashLoadTimeout = 0;
soundManager.url = 'swf';
setTimeout(soundManager.reboot,20);
setTimeout(function() {
if (!soundManager.supported()) {
var msg = 'Something went wrong with loading Sound Manager. No tunes for you!';
_logger.error('Something went wrong with loading Sound Manager. No tunes for you!');
// call user defined onError function
this.executeIfExists('onErrorComplete', onError, [msg]);
}
},1500);
};
}, // end Controller.init
initComponents : function(config) {
var self = this;
// initialize configuration
this._config = new Config(this);
this._config.props = $.extend(this._config.props,config);
// setup logging
this._logger = new Logger(this, config.id);
this._logger.info('initializing swagg player components');
// initialize data (songs)
this._data = new Data(this);
// setup html elements
this._html = new Html(this);
this._html.initHtml(config);
$.when(this._data.getSongs()).done(function(err){
if (err) {
this.executeIfExists('onError', this, []);
} else {
// init onSeek events
self._html.setupProgressBar();
// create invisible element which will hold user accessible data
self.setupApi();
// controls, images
self._controls = new Controls(self);
self._imageLoader = new ImageLoader(self);
self._imageLoader.setup();
if (config.buttonsDir !== undefined) {
self._controls.setup(self._html.controls_div);
}
else {
config.buttonHover = false;
}
if (config.spriteImg !== undefined) {
self._imageLoader.art = new Image();
self._ImageLoader.art.src = config.spriteImg;
}
// setup controller events
self._events = new Events(self);
self._events.bindControllerEvents();
self._events.bindMediaKeyEvents();
// check for soundManager support and warn or inform accordingly
if (!soundManager.supported()) {
self._logger.warn("Support for SM2 was not found immediately! A reboot will probably occur. We shall see what happense after that.");
}
else {
self._logger.info("SM2 support was found! It SHOULD be smooth sailing from here but hey, you never know - this web development stuff is tricky!");
}
} // end else
});
},
_whileplaying : function(sound) {
this.progress(sound);
var duration = sound.loaded === true ? sound.duration : sound.durationEstimate,
curr = this.millsToTime(sound.position),
total = this.millsToTime(duration),
args = {
currTime : curr,
totalTime : total
};
return [args];
},
_onplay : function(sound) {
var data = this._data,
song = data.songs[data.curr_song],
arg = {},
prop;
for (prop in song) {
if (prop != 'id' && $.isFunction(song[prop]) === false) {
arg[prop] = song[prop];
}
}
this.playPauseButtonState(0);
// if the song has already fully loaded the whileloading callback won't fire
// so we need to just go ahead and fill the bar
if (this.loaded(sound) === true) {
this.fillLoaded();
}
return [arg];
},
_onpause : function(sound) {
this.playPauseButtonState(1);
return [];
},
_onstop : function(sound) {
this.playPauseButtonState(1);
return [];
},
_onfinish : function(sound) {
if (this.internal.repeatMode === false){
var id = parseInt(sound.id.split('-')[3],10),
ret = null,
last = this._data.songs.length - 1;
if (id < last) {
this.skip(1);
} else {
this.stopMusic(id);
ret = [];
}
}
else {
this.repeat();
}
return ret;
},
_onresume : function(sound) {