var CirclePlayer=function(jPlayerSelector,media,options){var self=this,defaults={supplied:"m4a, oga",cssSelectorAncestor:"#cp_container_1",cssSelector:{play:".cp-play",pause:".cp-pause"}},cssSelector={bufferHolder:".cp-buffer-holder",buffer1:".cp-buffer-1",buffer2:".cp-buffer-2",progressHolder:".cp-progress-holder",progress1:".cp-progress-1",progress2:".cp-progress-2",circleControl:".cp-circle-control"};this.cssClass={gt50:"cp-gt50",fallback:"cp-fallback"};this.spritePitch=104;this.spriteRatio=0.24;this.player=$(jPlayerSelector);this.media=$.extend({},media);this.options=$.extend(true,{},defaults,options);this.cssTransforms=Modernizr.csstransforms;this.audio={};this.dragging=false;this.eventNamespace=".CirclePlayer";this.jq={};$.each(cssSelector,function(entity,cssSel){self.jq[entity]=$(self.options.cssSelectorAncestor+" "+ cssSel);});this._initSolution();this._initPlayer();};CirclePlayer.prototype={_createHtml:function(){},_initPlayer:function(){var self=this;this.player.jPlayer(this.options);this.player.bind($.jPlayer.event.ready+ this.eventNamespace,function(event){if(event.jPlayer.html.used&&event.jPlayer.html.audio.available){self.audio=$(this).data("jPlayer").htmlElement.audio;}
$(this).jPlayer("setMedia",self.media);self._initCircleControl();});this.player.bind($.jPlayer.event.play+ this.eventNamespace,function(event){$(this).jPlayer("pauseOthers");});this.player.bind($.jPlayer.event.timeupdate+ this.eventNamespace,function(event){if(!self.dragging){self._timeupdate(event.jPlayer.status.currentPercentAbsolute);}});this.player.bind($.jPlayer.event.progress+ this.eventNamespace,function(event){var percent=0;if((typeof self.audio.buffered==="object")&&(self.audio.buffered.length>0)){if(self.audio.duration>0){var bufferTime=0;for(var i=0;i<self.audio.buffered.length;i++){bufferTime+=self.audio.buffered.end(i)- self.audio.buffered.start(i);}
percent=100*bufferTime/self.audio.duration;}}else{percent=0;}
self._progress(percent);});this.player.bind($.jPlayer.event.ended+ this.eventNamespace,function(event){self._resetSolution();});},_initSolution:function(){if(this.cssTransforms){this.jq.progressHolder.show();this.jq.bufferHolder.show();}
else{this.jq.progressHolder.addClass(this.cssClass.gt50).show();this.jq.progress1.addClass(this.cssClass.fallback);this.jq.progress2.hide();this.jq.bufferHolder.hide();}
this._resetSolution();},_resetSolution:function(){if(this.cssTransforms){this.jq.progressHolder.removeClass(this.cssClass.gt50);this.jq.progress1.css({'transform':'rotate(0deg)'});this.jq.progress2.css({'transform':'rotate(0deg)'}).hide();}
else{this.jq.progress1.css('background-position','0 '+ this.spritePitch+'px');}},_initCircleControl:function(){var self=this;this.jq.circleControl.grab({onstart:function(){self.dragging=true;},onmove:function(event){var pc=self._getArcPercent(event.position.x,event.position.y);self.player.jPlayer("playHead",pc).jPlayer("play");self._timeupdate(pc);},onfinish:function(event){self.dragging=false;var pc=self._getArcPercent(event.position.x,event.position.y);self.player.jPlayer("playHead",pc).jPlayer("play");}});},_timeupdate:function(percent){var degs=percent*3.6+"deg";var spriteOffset=(Math.floor((Math.round(percent))*this.spriteRatio)-1)*-this.spritePitch;if(percent<=50){if(this.cssTransforms){this.jq.progressHolder.removeClass(this.cssClass.gt50);this.jq.progress1.css({'transform':'rotate('+ degs+')'});this.jq.progress2.hide();}else{this.jq.progress1.css('background-position','0 '+spriteOffset+'px');}}else if(percent<=100){if(this.cssTransforms){this.jq.progressHolder.addClass(this.cssClass.gt50);this.jq.progress1.css({'transform':'rotate(180deg)'});this.jq.progress2.css({'transform':'rotate('+ degs+')'});this.jq.progress2.show();}else{this.jq.progress1.css('background-position','0 '+spriteOffset+'px');}}},_progress:function(percent){var degs=percent*3.6+"deg";if(this.cssTransforms){if(percent<=50){this.jq.bufferHolder.removeClass(this.cssClass.gt50);this.jq.buffer1.css({'transform':'rotate('+ degs+')'});this.jq.buffer2.hide();}else if(percent<=100){this.jq.bufferHolder.addClass(this.cssClass.gt50);this.jq.buffer1.css({'transform':'rotate(180deg)'});this.jq.buffer2.show();this.jq.buffer2.css({'transform':'rotate('+ degs+')'});}}},_getArcPercent:function(pageX,pageY){var offset=this.jq.circleControl.offset(),x=pageX- offset.left- this.jq.circleControl.width()/2,y=pageY- offset.top- this.jq.circleControl.height()/2,theta=Math.atan2(y,x);if(theta>-1*Math.PI&&theta<-0.5*Math.PI){theta=2*Math.PI+ theta;}
return(theta+ Math.PI/2)/2*Math.PI*10;},setMedia:function(media){this.media=$.extend({},media);this.player.jPlayer("setMedia",this.media);},play:function(time){this.player.jPlayer("play",time);},pause:function(time){this.player.jPlayer("pause",time);},destroy:function(){this.player.unbind(this.eventNamespace);this.player.jPlayer("destroy");}};