3 $.widget( "panik.playlist", {
10 emission: "episode.slug",
11 episode: "episode.slug",
17 html5audioOptions:{controls:true,preload:"none"},
20 controlContainer: $('<div>'),
21 playlistContainer: $('<ol>'),
25 onUpdate: function(){},
28 // Initialization logic here
30 this.isActive = false;
31 this.isLastAdd = false;
32 this.controlButtons = []
33 this.debugContainer = $('<pre>').hide();
34 this.controlContainer = this.options.controlContainer;
35 this.playlistContainer = this.options.playlistContainer;
36 this.element.addClass(this.options.classes);
37 this.element.append(this.controlContainer);
38 this.element.append(this.playlistContainer);
39 this.element.append(this.debugContainer);
40 this.playlist = this.options.playlist;
41 this.buildPlaylistControls();
44 this.options.onLoad(this);
47 _setOption: function( key, value ) {
48 this.options[ key ] = value;
53 this.playlistContainer.find('audio').each(function(){
54 thePlaylist.playlist.push(thePlaylist.jsonifyAudio($(this)));
56 this.debugContainer.text(
57 JSON.stringify(this.playlist, null, '\t')
60 this.options.onUpdate(this);
66 this.playlistContainer.find('*').remove();
69 savePlaylist: function(){
70 var JSONPlaylist = JSON.stringify(this.playlist, null, '\t');
71 if (localStorage !== null && localStorage !== undefined) {
72 localStorage['playlist'] = JSON.stringify(this.playlist, null, '\t');
75 loadPlaylist: function(){
76 if (localStorage !== null && localStorage !== undefined) {
77 this.playlist = localStorage['playlist']?JSON.parse(localStorage['playlist']):this.playlist;
79 $.each(this.playlist,function(k,v){
80 thePlaylist.playlistContainer.append(thePlaylist._htmlifyJsonSound(v));
84 // Transform HTML5 <audio> to simple JSON object.
85 jsonifyAudio: function(audio) {
88 title: audio.attr('title'),
89 sound_id:audio.data('sound-id'),
90 url:audio.attr('data-url'),
91 focus:audio.attr('data-player-focus')
93 audio.children('source').each(function(){
94 sound.source[$(this).attr('type')] = $(this).attr('src');
99 setFocus: function(element) {
100 this.isActive = element;
101 this.playlistContainer.find('li').each(function(){
102 $(this).removeClass('active');
103 $(this).find('audio').removeAttr('data-player-focus');
105 this.isActive.addClass('active').find('audio').attr('data-player-focus',true);
108 // Transform JSON sound object to HTML container for playlist.
109 _htmlifyJsonSound: function(sound) {
110 var container = $('<li>');
111 var audio = $('<audio>',this.options.html5audioOptions)
112 .attr('title',sound.title).hide()
113 .attr('data-sound-id', sound.sound_id)
114 .attr('data-url',sound.url);
115 var audio_str = sound.sound_id + ': ' + sound.title;
116 $.each(sound.source,function(k,v){
117 var source = $('<source>',{src:v,type:k});
118 audio.append(source);
120 audio.on('play',function(e){
121 if (e.originalEvent === undefined) {
124 if (typeof (_paq) == 'object') {
125 _paq.push(['trackEvent', 'Audio', 'Play', audio_str]);
127 thePlaylist.setFocus(container);
128 container.addClass('playing');
129 playpause.addClass('icon-pause').removeClass('icon-play');
130 thePlaylist.controlButtons['playpause'].removeClass('icon-play').addClass('icon-pause');
131 thePlaylist.afterPlay();
132 var sound_id = $(e.target).data('sound-id');
133 $(document).trigger('panik:play', {'sound_id': sound_id});
134 }).on('pause',function(e){
135 $(this).removeClass('playing');
136 playpause.addClass('icon-play').removeClass('icon-pause');
137 var sound_id = $(e.target).data('sound-id');
138 $(document).trigger('panik:pause', {'sound_id': sound_id});
139 thePlaylist.controlButtons['playpause'].removeClass('icon-pause').addClass('icon-play');
140 }).on('stop',function(event){
141 $(this).trigger('pause');
142 if($(this)[0].currentTime){$(this)[0].currentTime = 0;}
143 }).on("ended", function(e){
144 if (typeof (_paq) == 'object') {
145 _paq.push(['trackEvent', 'Audio', 'End', audio_str]);
147 thePlaylist.playNext();
148 }).on('beforePause',function(){
150 }).on('beforePlay',function(){
151 thePlaylist.pauseSounds();
153 }).on('timeupdate', function(event) {
154 var position = 1.0 * event.target.currentTime / event.target.duration;
155 var sound_id = $(event.target).data('sound-id');
156 $(document).trigger('panik:timeupdate',
157 {'sound_id': sound_id, 'position': position});
159 var controls = $('<span>',{'class':'soundControls controls'});
160 var link = $('<a>',{href:sound.url,'class':'button icon-external-link'});
161 var remove = $('<button>',{title:"Remove from list",'class':'icon-remove',click:function(){
163 thePlaylist._update();
165 var stop = $('<button>',{title:"Stop",'class':'icon-stop',click:function(){
166 audio.trigger('stop');
168 var playpause = $('<button>',{title:"Play/Pause",'class':'icon-play',click:function(){
170 if (audio[0].paused == false) { audio.trigger('pause');
172 audio.trigger('beforePlay').trigger('play');
175 controls.append(playpause).append(stop).append(remove);
176 var title = $('<a>',{title:"More information",href:sound.url,'class':"button title",html:sound.title});
177 container.append(controls).append(title).append(audio);
178 if(sound.focus){thePlaylist.setFocus(container);}
181 // Create a public method.
182 registerAudio: function(audio,success) {
183 var sound_id = audio.data('sound-id');
184 if (this.playlistContainer.find('[data-sound-id=' + sound_id + ']').length) {
185 /* already in playlist */
188 var audioObj = this.jsonifyAudio(audio);
189 var htmlAudio = this._htmlifyJsonSound(audioObj);
190 this.playlistContainer.append(htmlAudio);
191 this.isLastAdd = htmlAudio;
192 if(!this.isActive){this.setFocus(this.isLastAdd);}
193 this.options.onAdd(this);
194 if(success){success();}
198 bindControl: function(control,audio,element,options) {
199 element.addClass('loading');
200 audioID = audio.data('souce-id');
201 //TODO for controls in page content
204 registerControl: function(name,options) {
205 this.controlButtons[name] = $('<button>',options);
206 this.controlContainer.append(this.controlButtons[name]);
209 buildPlaylistControls: function() {
210 this.controlContainer.empty();
212 this.registerControl('toggleList',{class:"icon-list",click: function(){
213 thePlaylist.playlistContainer.toggle();
215 this.registerControl('clearList',{class:"icon-trash",click: function(){
216 thePlaylist.playlistContainer.empty();
217 thePlaylist._update();
220 this.registerControl('previous',{'class':"icon-step-backward",click:function(){
221 thePlaylist.playPrevious();
223 this.registerControl('stop',{'class':"icon-stop",click: function(){
224 thePlaylist.stopSounds();
226 this.registerControl('playpause',{'class':"icon-play playPause",click: function(){
227 thePlaylist.playPauseList();
229 this.registerControl('next',{'class':"icon-step-forward",click: function(){
230 thePlaylist.playNext();
235 afterPlay: function() {
236 this.options.onPlay(this);
239 beforePlay: function() {
243 getActive: function() {
245 this.isActive = this.playlistContainer.children('li').first();
247 return this.isActive;
249 playSoundId: function(sound_id) {
250 this.playlistContainer.find('audio[data-sound-id="' + sound_id + '"]'
251 ).trigger('beforePlay').trigger('play');
254 playPauseList: function() {
255 if(this.controlButtons['playpause'].hasClass('icon-play')){
256 this.getActive().find('audio').trigger('beforePlay').trigger('play');
258 this.getActive().find('audio').trigger('pause');
263 playPrevious: function() {
264 this.getActive().prev().find('audio').trigger('beforePlay').trigger('play');
268 playNext: function() {
269 this.getActive().next().find('audio').trigger('beforePlay').trigger('play');
273 playFirst: function() {
274 this.playlistContainer.find('audio').first().trigger('beforePlay').trigger('play');
278 playLast: function() {
279 this.playlistContainer.find('audio').last().trigger('beforePlay').trigger('play');
283 pauseSounds: function() {
284 this.playlistContainer.find('audio').each(function(){$(this).trigger('pause');});
287 stopSounds: function() {
288 this.playlistContainer.find('audio').each(function(){$(this).trigger('stop');});