moodle_theme_ilb/js/audio.min.js

(function(audiojs,audiojsInstance,container){var path=(function(){var re=new RegExp('audio(\.min)?\.js.*'),scripts=document.getElementsByTagName('script');for(var i=0,ii=scripts.length;i<ii;i++){var path=scripts[i].getAttribute('src');if(re.test(path))return path.replace(re,'');}})();container[audiojs]={instanceCount:0,instances:{},flashSource:'\
      <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" id="$1" width="1" height="1" name="$1" style="position: absolute; left: -1px;"> \
        <param name="movie" value="$2?playerInstance='+audiojs+'.instances[\'$1\']&datetime=$3"> \
        <param name="allowscriptaccess" value="always"> \
        <embed name="$1" src="$2?playerInstance='+audiojs+'.instances[\'$1\']&datetime=$3" width="1" height="1" allowscriptaccess="always"> \
      </object>',settings:{autoplay:false,loop:false,preload:true,imageLocation:path+'player-graphics.gif',swfLocation:path+'audiojs.swf',useFlash:(function(){var a=document.createElement('audio');return!(a.canPlayType&&a.canPlayType('audio/mpeg;').replace(/no/,''));})(),hasFlash:(function(){if(navigator.plugins&&navigator.plugins.length&&navigator.plugins['Shockwave Flash']){return true;}else if(navigator.mimeTypes&&navigator.mimeTypes.length){var mimeType=navigator.mimeTypes['application/x-shockwave-flash'];return mimeType&&mimeType.enabledPlugin;}else{try{var ax=new ActiveXObject('ShockwaveFlash.ShockwaveFlash');return true;}catch(e){}}
return false;})(),createPlayer:{markup:'\
          <div class="play-pause"> \
            <p class="play glyphicon glyphicon-play"></p> \
            <p class="pause glyphicon glyphicon-pause"></p> \
            <p class="loading glyphicon glyphicon-repeat"></p> \
            <p class="error glyphicon glyphicon-remove"></p> \
          </div> \
          <div class="scrubber"> \
            <div class="progress"></div> \
            <div class="loaded"></div> \
          </div> \
          <div class="time"> \
            <em class="played">00:00</em><strong class="duration">00:00</strong> \
          </div> \
          <div class="error-message"></div>',playPauseClass:'play-pause',scrubberClass:'scrubber',progressClass:'progress',loaderClass:'loaded',timeClass:'time',durationClass:'duration',playedClass:'played',errorMessageClass:'error-message',playingClass:'playing',loadingClass:'loading',errorClass:'error'},trackEnded:function(e){},flashError:function(){var player=this.settings.createPlayer,errorMessage=getByClass(player.errorMessageClass,this.wrapper),html='Missing <a href="http://get.adobe.com/flashplayer/">flash player</a> plugin.';if(this.mp3)html+=' <a href="'+this.mp3+'">Download audio file</a>.';container[audiojs].helpers.removeClass(this.wrapper,player.loadingClass);container[audiojs].helpers.addClass(this.wrapper,player.errorClass);errorMessage.innerHTML=html;},loadError:function(e){var player=this.settings.createPlayer,errorMessage=getByClass(player.errorMessageClass,this.wrapper);container[audiojs].helpers.removeClass(this.wrapper,player.loadingClass);container[audiojs].helpers.addClass(this.wrapper,player.errorClass);errorMessage.innerHTML='Error loading: "'+this.mp3+'"';},init:function(){var player=this.settings.createPlayer;container[audiojs].helpers.addClass(this.wrapper,player.loadingClass);},loadStarted:function(){var player=this.settings.createPlayer,duration=getByClass(player.durationClass,this.wrapper),m=Math.floor(this.duration/60),s=Math.floor(this.duration%60);container[audiojs].helpers.removeClass(this.wrapper,player.loadingClass);duration.innerHTML=((m<10?'0':'')+m+':'+(s<10?'0':'')+s);},loadProgress:function(percent){var player=this.settings.createPlayer,scrubber=getByClass(player.scrubberClass,this.wrapper),loaded=getByClass(player.loaderClass,this.wrapper);loaded.style.width=(scrubber.offsetWidth*percent)+'px';},playPause:function(){if(this.playing)this.settings.play();else this.settings.pause();},play:function(){var player=this.settings.createPlayer;container[audiojs].helpers.addClass(this.wrapper,player.playingClass);},pause:function(){var player=this.settings.createPlayer;container[audiojs].helpers.removeClass(this.wrapper,player.playingClass);},updatePlayhead:function(percent){var player=this.settings.createPlayer,scrubber=getByClass(player.scrubberClass,this.wrapper),progress=getByClass(player.progressClass,this.wrapper);progress.style.width=(scrubber.offsetWidth*percent)+'px';var played=getByClass(player.playedClass,this.wrapper),p=this.duration*percent,m=Math.floor(p/60),s=Math.floor(p%60);played.innerHTML=((m<10?'0':'')+m+':'+(s<10?'0':'')+s);}},create:function(element,options){var options=options||{}
if(element.length){return this.createAll(options,element);}else{return this.newInstance(element,options);}},createAll:function(options,elements){var audioElements=elements||document.getElementsByTagName('audio'),instances=[]
options=options||{};for(var i=0,ii=audioElements.length;i<ii;i++){instances.push(this.newInstance(audioElements[i],options));}
return instances;},newInstance:function(element,options){var element=element,s=this.helpers.clone(this.settings),id='audiojs'+this.instanceCount,wrapperId='audiojs_wrapper'+this.instanceCount,instanceCount=this.instanceCount++;if(element.getAttribute('autoplay')!=null)s.autoplay=true;if(element.getAttribute('loop')!=null)s.loop=true;if(element.getAttribute('preload')=='none')s.preload=false;if(options)this.helpers.merge(s,options);if(s.createPlayer.markup)element=this.createPlayer(element,s.createPlayer,wrapperId);else element.parentNode.setAttribute('id',wrapperId);var audio=new container[audiojsInstance](element,s);if(s.css)this.helpers.injectCss(audio,s.css);if(s.useFlash&&s.hasFlash){this.injectFlash(audio,id);this.attachFlashEvents(audio.wrapper,audio);}else if(s.useFlash&&!s.hasFlash){this.settings.flashError.apply(audio);}
if(!s.useFlash||(s.useFlash&&s.hasFlash))this.attachEvents(audio.wrapper,audio);this.instances[id]=audio;return audio;},createPlayer:function(element,player,id){var wrapper=document.createElement('div'),newElement=element.cloneNode(true);wrapper.setAttribute('class','audiojs');wrapper.setAttribute('className','audiojs');wrapper.setAttribute('id',id);if(newElement.outerHTML&&!document.createElement('audio').canPlayType){newElement=this.helpers.cloneHtml5Node(element);wrapper.innerHTML=player.markup;wrapper.appendChild(newElement);element.outerHTML=wrapper.outerHTML;wrapper=document.getElementById(id);}else{wrapper.appendChild(newElement);wrapper.innerHTML=wrapper.innerHTML+player.markup;element.parentNode.replaceChild(wrapper,element);}
return wrapper.getElementsByTagName('audio')[0];},attachEvents:function(wrapper,audio){if(!audio.settings.createPlayer)return;var player=audio.settings.createPlayer,playPause=getByClass(player.playPauseClass,wrapper),scrubber=getByClass(player.scrubberClass,wrapper),leftPos=function(elem){var curleft=0;if(elem.offsetParent){do{curleft+=elem.offsetLeft;}while(elem=elem.offsetParent);}
return curleft;};container[audiojs].events.addListener(playPause,'click',function(e){audio.playPause.apply(audio);});container[audiojs].events.addListener(scrubber,'click',function(e){var relativeLeft=e.clientX-leftPos(this);audio.skipTo(relativeLeft/scrubber.offsetWidth);});if(audio.settings.useFlash)return;container[audiojs].events.trackLoadProgress(audio);container[audiojs].events.addListener(audio.element,'timeupdate',function(e){audio.updatePlayhead.apply(audio);});container[audiojs].events.addListener(audio.element,'ended',function(e){audio.trackEnded.apply(audio);});container[audiojs].events.addListener(audio.source,'error',function(e){clearInterval(audio.readyTimer);clearInterval(audio.loadTimer);audio.settings.loadError.apply(audio);});},attachFlashEvents:function(element,audio){audio['swfReady']=false;audio['load']=function(mp3){audio.mp3=mp3;if(audio.swfReady)audio.element.load(mp3);}
audio['loadProgress']=function(percent,duration){audio.loadedPercent=percent;audio.duration=duration;audio.settings.loadStarted.apply(audio);audio.settings.loadProgress.apply(audio,[percent]);}
audio['skipTo']=function(percent){if(percent>audio.loadedPercent)return;audio.updatePlayhead.call(audio,[percent])
audio.element.skipTo(percent);}
audio['updatePlayhead']=function(percent){audio.settings.updatePlayhead.apply(audio,[percent]);}
audio['play']=function(){if(!audio.settings.preload){audio.settings.preload=true;audio.element.init(audio.mp3);}
audio.playing=true;audio.element.pplay();audio.settings.play.apply(audio);}
audio['pause']=function(){audio.playing=false;audio.element.ppause();audio.settings.pause.apply(audio);}
audio['setVolume']=function(v){audio.element.setVolume(v);}
audio['loadStarted']=function(){audio.swfReady=true;if(audio.settings.preload)audio.element.init(audio.mp3);if(audio.settings.autoplay)audio.play.apply(audio);}},injectFlash:function(audio,id){var flashSource=this.flashSource.replace(/\$1/g,id);flashSource=flashSource.replace(/\$2/g,audio.settings.swfLocation);flashSource=flashSource.replace(/\$3/g,(+new Date+Math.random()));var html=audio.wrapper.innerHTML,div=document.createElement('div');div.innerHTML=flashSource+html;audio.wrapper.innerHTML=div.innerHTML;audio.element=this.helpers.getSwf(id);},helpers:{merge:function(obj1,obj2){for(attr in obj2){if(obj1.hasOwnProperty(attr)||obj2.hasOwnProperty(attr)){obj1[attr]=obj2[attr];}}},clone:function(obj){if(obj==null||typeof(obj)!=='object')return obj;var temp=new obj.constructor();for(var key in obj)temp[key]=arguments.callee(obj[key]);return temp;},addClass:function(element,className){var re=new RegExp('(\\s|^)'+className+'(\\s|$)');if(re.test(element.className))return;element.className+=' '+className;},removeClass:function(element,className){var re=new RegExp('(\\s|^)'+className+'(\\s|$)');element.className=element.className.replace(re,' ');},injectCss:function(audio,string){var prepend='',styles=document.getElementsByTagName('style'),css=string.replace(/\$1/g,audio.settings.imageLocation);for(var i=0,ii=styles.length;i<ii;i++){var title=styles[i].getAttribute('title');if(title&&~title.indexOf('audiojs')){style=styles[i];if(style.innerHTML===css)return;prepend=style.innerHTML;break;}};var head=document.getElementsByTagName('head')[0],firstchild=head.firstChild,style=document.createElement('style');if(!head)return;style.setAttribute('type','text/css');style.setAttribute('title','audiojs');if(style.styleSheet)style.styleSheet.cssText=prepend+css;else style.appendChild(document.createTextNode(prepend+css));if(firstchild)head.insertBefore(style,firstchild);else head.appendChild(styleElement);},cloneHtml5Node:function(audioTag){var fragment=document.createDocumentFragment(),doc=fragment.createElement?fragment:document;doc.createElement('audio');var div=doc.createElement('div');fragment.appendChild(div);div.innerHTML=audioTag.outerHTML;return div.firstChild;},getSwf:function(name){var swf=document[name]||window[name];return swf.length>1?swf[swf.length-1]:swf;}},events:{memoryLeaking:false,listeners:[],addListener:function(element,eventName,func){if(element.addEventListener){element.addEventListener(eventName,func,false);}else if(element.attachEvent){this.listeners.push(element);if(!this.memoryLeaking){window.attachEvent('onunload',function(){if(this.listeners){for(var i=0,ii=this.listeners.length;i<ii;i++){container[audiojs].events.purge(this.listeners[i]);}}});this.memoryLeaking=true;}
element.attachEvent('on'+eventName,function(){func.call(element,window.event);});}},trackLoadProgress:function(audio){if(!audio.settings.preload)return;var readyTimer,loadTimer,audio=audio,ios=(/(ipod|iphone|ipad)/i).test(navigator.userAgent);readyTimer=setInterval(function(){if(audio.element.readyState>-1){if(!ios)audio.init.apply(audio);}
if(audio.element.readyState>1){if(audio.settings.autoplay)audio.play.apply(audio);clearInterval(readyTimer);loadTimer=setInterval(function(){audio.loadProgress.apply(audio);if(audio.loadedPercent>=1)clearInterval(loadTimer);});}},10);audio.readyTimer=readyTimer;audio.loadTimer=loadTimer;},purge:function(d){var a=d.attributes,i;if(a){for(i=0;i<a.length;i+=1){if(typeof d[a[i].name]==='function')d[a[i].name]=null;}}
a=d.childNodes;if(a){for(i=0;i<a.length;i+=1)purge(d.childNodes[i]);}},ready:(function(){return function(fn){var win=window,done=false,top=true,doc=win.document,root=doc.documentElement,add=doc.addEventListener?'addEventListener':'attachEvent',rem=doc.addEventListener?'removeEventListener':'detachEvent',pre=doc.addEventListener?'':'on',init=function(e){if(e.type=='readystatechange'&&doc.readyState!='complete')return;(e.type=='load'?win:doc)[rem](pre+e.type,init,false);if(!done&&(done=true))fn.call(win,e.type||e);},poll=function(){try{root.doScroll('left');}catch(e){setTimeout(poll,50);return;}
init('poll');};if(doc.readyState=='complete')fn.call(win,'lazy');else{if(doc.createEventObject&&root.doScroll){try{top=!win.frameElement;}catch(e){}
if(top)poll();}
doc[add](pre+'DOMContentLoaded',init,false);doc[add](pre+'readystatechange',init,false);win[add](pre+'load',init,false);}}})()}}
container[audiojsInstance]=function(element,settings){this.element=element;this.wrapper=element.parentNode;this.source=element.getElementsByTagName('source')[0]||element;this.mp3=(function(element){var source=element.getElementsByTagName('source')[0];return element.getAttribute('src')||(source?source.getAttribute('src'):null);})(element);this.settings=settings;this.loadStartedCalled=false;this.loadedPercent=0;this.duration=1;this.playing=false;}
container[audiojsInstance].prototype={updatePlayhead:function(){var percent=this.element.currentTime/this.duration;this.settings.updatePlayhead.apply(this,[percent]);},skipTo:function(percent){if(percent>this.loadedPercent)return;this.element.currentTime=this.duration*percent;this.updatePlayhead();},load:function(mp3){this.loadStartedCalled=false;this.source.setAttribute('src',mp3);this.element.load();this.mp3=mp3;container[audiojs].events.trackLoadProgress(this);},loadError:function(){this.settings.loadError.apply(this);},init:function(){this.settings.init.apply(this);},loadStarted:function(){if(!this.element.duration)return false;this.duration=this.element.duration;this.updatePlayhead();this.settings.loadStarted.apply(this);},loadProgress:function(){if(this.element.buffered!=null&&this.element.buffered.length){if(!this.loadStartedCalled){this.loadStartedCalled=this.loadStarted();}
var durationLoaded=this.element.buffered.end(this.element.buffered.length-1);this.loadedPercent=durationLoaded/this.duration;this.settings.loadProgress.apply(this,[this.loadedPercent]);}},playPause:function(){if(this.playing)this.pause();else this.play();},play:function(){var ios=(/(ipod|iphone|ipad)/i).test(navigator.userAgent);if(ios&&this.element.readyState==0)this.init.apply(this);if(!this.settings.preload){this.settings.preload=true;this.element.setAttribute('preload','auto');container[audiojs].events.trackLoadProgress(this);}
this.playing=true;this.element.play();this.settings.play.apply(this);},pause:function(){this.playing=false;this.element.pause();this.settings.pause.apply(this);},setVolume:function(v){this.element.volume=v;},trackEnded:function(e){this.skipTo.apply(this,[0]);if(!this.settings.loop)this.pause.apply(this);this.settings.trackEnded.apply(this);}}
var getByClass=function(searchClass,node){var matches=[];node=node||document;if(node.getElementsByClassName){matches=node.getElementsByClassName(searchClass);}else{var i,l,els=node.getElementsByTagName("*"),pattern=new RegExp("(^|\\s)"+searchClass+"(\\s|$)");for(i=0,l=els.length;i<l;i++){if(pattern.test(els[i].className)){matches.push(els[i]);}}}
return matches.length>1?matches:matches[0];};})('audiojs','audiojsInstance',this);