if("undefined"==typeof jQuery)throw new Error("trackswitchjs's JavaScript requires jQuery. jQuery must be included before trackswitchjs's JavaScript.");+function(a){var b=a.fn.jquery.split(" ")[0].split(".");if(b[0]<2&&b[1]<9||1==b[0]&&9==b[1]&&b[2]<1||b[0]>=4)throw new Error("trackswitchjs's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}(jQuery),function(){function a(a,e){this.element=$(a),this.options=$.extend({},d,e),this.options.mute||this.options.solo||(console.error("Cannot disable both solo and mute, reactivating solo"),this.options.solo=!0),this.options.onlyradiosolo&&(this.options.mute=!1,this.options.radiosolo=!0),this._defaults=d,this._name=c,this.numberOfTracks=0,this.longestDuration=0,this.playing=!1,this.repeat=this.options.repeat,this.startTime,this.position=0,this.timerUpdateUI,this.currentlySeeking=!1,this.seekingElement,this.trackProperties=Array(),this.trackSources=Array(),this.trackGainNode=Array(),this.trackBuffer=Array(),this.activeAudioSources=Array(),b&&(this.gainNodeMaster=b.createGain(),this.gainNodeMaster.gain.value=0,this.gainNodeMaster.connect(b.destination)),this.init()}var b=function(){return"undefined"!=typeof AudioContext?new AudioContext:"undefined"!=typeof webkitAudioContext?new webkitAudioContext:"undefined"!=typeof mozAudioContext?new mozAudioContext:null}(),c=(document.registerElement("ts-track"),document.registerElement("ts-source"),"trackSwitch"),d={mute:!0,solo:!0,globalsolo:!0,repeat:!1,radiosolo:!1,onlyradiosolo:!1,spacebar:!1,tabview:!1};a.prototype.init=function(){var a=this;this.element.addClass("jquery-trackswitch"),0===this.element.find(".main-control").length&&this.element.prepend('<div class="overlay"><span class="activate">Activate</span><p id="overlaytext"></p><p id="overlayinfo"><span class="info">Info</span><span class="text"><strong>trackswitch.js</strong> - open source multitrack audio player<br /><a href="https://github.com/audiolabs/trackswitch.js">https://github.com/audiolabs/trackswitch.js</a></span></p></div><div class="main-control"><ul class="control"><li class="playpause button">Play</li><li class="stop button">Stop</li><li class="repeat button">Repeat</li><li class="timing"><span class="time">--:--:--:---</span> / <span class="length">--:--:--:---</span></li><li class="seekwrap"><div class="seekbar"><div class="seekhead"></div></div></li></ul></div>'),this.element.find(".seekable:not(.seekable-img-wrap > .seekable)").length>0&&this.element.find(".main-control .seekwrap").hide(),this.element.find(".seekable:not(.seekable-img-wrap > .seekable)").each(function(){a.originalImage=this.src,$(this).wrap('<div class="seekable-img-wrap" style="'+$(this).data("style")+'; display: block;"></div>'),$(this).after('<div class="seekwrap" style=" left: '+($(this).data("seekMarginLeft")||0)+"%; right: "+($(this).data("seekMarginRight")||0)+'%;"><div class="seekhead"></div></div>')}),this.element.on("touchstart mousedown",".overlay .activate",$.proxy(this.load,this)),this.element.on("touchstart mousedown",".overlay #overlayinfo .info",$.proxy(function(){this.element.find(".overlay .info").hide(),this.element.find(".overlay .text").show()},this)),this.element.one("loaded",$.proxy(this.loaded,this)),this.element.one("errored",$.proxy(this.errored,this));var c=$('<ul class="track_list"></ul>');if(this.numberOfTracks=this.element.find("ts-track").length,this.numberOfTracks>0){if(this.element.find("ts-track").each(function(b){a.trackProperties[b]={mute:!1,solo:!1,success:!1,error:!1};var d=a.options.tabview?" tabs":"",e=a.options.radiosolo?" radio":"",f=a.options.onlyradiosolo?" solo":"";c.append('<li class="track'+d+f+'" style="'+($(this).attr("style")||"")+'">'+($(this).attr("title")||"Track "+(b+1))+'<ul class="control">'+(a.options.mute?'<li class="mute button" title="Mute">Mute</li>':"")+(a.options.solo?'<li class="solo button'+e+'" title="Solo">Solo</li>':"")+"</ul></li>")}),this.element.append(c),this.options.radiosolo&&(this.trackProperties[0].solo=!0,this.apply_track_properties()),this.updateMainControls(),!b)return this.element.trigger("errored"),this.element.find("#overlaytext").html("Web Audio API is not supported in your browser. Please consider upgrading."),!1}else this.element.trigger("errored")},a.prototype.destroy=function(){this.element.find(".main-control").remove(),this.element.find(".tracks").remove(),this.element.removeData()},a.prototype.sourceFailed=function(a,b,c){void 0!==this.trackSources[a][b+1]?this.prepareRequest(a,b+1):(this.trackProperties[a].error=!0,this.trackStatusChanged())},a.prototype.decodeAudio=function(a,c,d){var e=this,f=a.response;b.decodeAudioData(f,function(a){e.trackGainNode[c]=b.createGain(),e.trackGainNode[c].connect(e.gainNodeMaster),e.trackBuffer[c]=b.createBufferSource(),e.trackBuffer[c].buffer=a,e.trackProperties[c].success=!0,e.trackStatusChanged()},function(a){e.sourceFailed(c,d,"Error Decoding File Type")})},a.prototype.makeRequest=function(a,b){var c=this,d=$(this.trackSources[a][b]).attr("src"),e=new XMLHttpRequest;e.open("GET",d,!0),e.responseType="arraybuffer",e.onreadystatechange=function(){4===e.readyState&&(200===e.status?c.decodeAudio(e,a,b):c.sourceFailed(a,b,"404 - File Not Found"))},e.send()},a.prototype.prepareRequest=function(a,b){void 0!==this.trackSources[a][b]?this.makeRequest(a,b):this.sourceFailed(a,b,"No Source Found")},a.prototype.load=function(a){if(!this.valid_click(a))return!0;a.preventDefault();var b=this;if(this.element.find(".overlay span.activate").addClass("fa-spin loading"),this.numberOfTracks>0){var c=document.createElement("audio"),d={".aac":"audio/aac;",".aif":"audio/aiff;",".aiff":"audio/aiff;",".au":"audio/basic;",".mp1":"audio/mpeg;",".mp2":"audio/mpeg;",".mp3":"audio/mpeg;",".mpg":"audio/mpeg;",".mpeg":"audio/mpeg;",".m4a":"audio/mp4;",".mp4":"audio/mp4;",".oga":"audio/ogg;",".ogg":"audio/ogg;",".wav":"audio/wav;",".webm":"audio/webm;"};this.element.find("ts-track").each(function(a){b.trackSources[a]=$(this).find("ts-source");for(var e=0;e<b.trackSources[a].length;e++){if(void 0!==$(b.trackSources[a][e]).attr("type"))var f=$(b.trackSources[a][e]).attr("type")+";";else{var g=$(b.trackSources[a][e]).attr("src").substring($(b.trackSources[a][e]).attr("src").lastIndexOf("."));console.log(g);var f=void 0!==d[g]?d[g]:"audio/"+g.substr(1)+";"}c.canPlayType&&c.canPlayType(f).replace(/no/,"")||b.trackSources[a].splice(e,1)}})}for(var e=0;e<this.trackSources.length;e++)this.prepareRequest(e,0);return a.stopPropagation(),!1},a.prototype.findLongest=function(){for(var a=0;a<this.numberOfTracks;a++){var b=this.trackBuffer[a].buffer.duration;b>this.longestDuration&&(this.longestDuration=b)}this.element.trigger("loaded")},a.prototype.trackStatusChanged=function(){var a=0,b=0;this.trackProperties.forEach(function(c){a+=c.success||c.error?1:0,b+=c.error?1:0}),a===this.numberOfTracks&&(0===b?this.findLongest():(this.element.trigger("errored"),this.element.find("#overlaytext").html("One or more audio files failed to load.")))},a.prototype.loaded=function(){this.element.find(".overlay").removeClass("loading"),this.element.find(".overlay").hide().remove(),$(this.element).find(".timing .time").html("00:00:00:000"),$(this.element).find(".timing .length").html(this.secondsToHHMMSSmmm(this.longestDuration)),this.apply_track_properties(),this.bindEvents()},a.prototype.errored=function(){this.element.find(".overlay span").removeClass("fa-spin loading"),this.element.addClass("error");var a=this;this.trackProperties.forEach(function(b,c){b.error&&$(a.element).find(".track_list > li:nth-child("+(c+1)+")").addClass("error")}),this.unbindEvents()},a.prototype.unbindEvents=function(){this.element.off("touchstart mousedown",".overlay span"),this.element.off("loaded"),this.element.off("touchstart mousedown",".playpause"),this.element.off("touchstart mousedown",".stop"),this.element.off("touchstart mousedown",".repeat"),this.element.off("mousedown touchstart",".seekwrap"),this.element.off("mousemove touchmove"),this.element.off("mouseup touchend"),this.element.off("touchstart mousedown",".mute"),this.element.off("touchstart mousedown",".solo"),this.options.spacebar&&$(window).unbind("keypress")},a.prototype.bindEvents=function(){if(this.element.on("touchstart mousedown",".playpause",$.proxy(this.event_playpause,this)),this.element.on("touchstart mousedown",".stop",$.proxy(this.event_stop,this)),this.element.on("touchstart mousedown",".repeat",$.proxy(this.event_repeat,this)),this.element.on("mousedown touchstart",".seekwrap",$.proxy(this.event_seekStart,this)),this.element.on("mousemove touchmove",$.proxy(this.event_seekMove,this)),this.element.on("mouseup touchend",$.proxy(this.event_seekEnd,this)),this.element.on("touchstart mousedown",".mute",$.proxy(this.event_mute,this)),this.element.on("touchstart mousedown",".solo",$.proxy(this.event_solo,this)),this.options.spacebar){var a=this;$(window).unbind("keypress"),$(window).keypress(function(b){32===b.which&&a.event_playpause(b)})}},a.prototype.valid_click=function(a){return"touchstart"===a.type||"mousedown"===a.type&&1===a.which},a.prototype.secondsToHHMMSSmmm=function(a){var b=parseInt(a/3600)%24;b=b<10?"0"+b:b;var c=parseInt(a/60)%60;c=c<10?"0"+c:c;var d=a%60;d=d.toString().split(".")[0],d=d<10?"0"+d:d;var e=Math.round(a%1*1e3);return e=e<10?"00"+e:e<100?"0"+e:e,b+":"+c+":"+d+":"+e},a.prototype.updateMainControls=function(){this.element.find(".playpause").toggleClass("checked",this.playing),this.element.find(".repeat").toggleClass("checked",this.repeat);var a=this.position/this.longestDuration*100;this.element.find(".seekhead").each(function(){$(this).css({left:a+"%"})}),0!==this.longestDuration&&$(this.element).find(".timing .time").html(this.secondsToHHMMSSmmm(this.position))},a.prototype.monitorPosition=function(a){a.position=a.playing&&!a.currentlySeeking?b.currentTime-a.startTime:a.position,a.position>=a.longestDuration&&!a.currentlySeeking&&(a.position=0,a.stopAudio(),a.repeat?a.startAudio(a.position):a.playing=!1),a.updateMainControls()},a.prototype.stopAudio=function(){var a=b.currentTime;this.gainNodeMaster.gain.cancelScheduledValues(a),this.gainNodeMaster.gain.setValueAtTime(1,a),this.gainNodeMaster.gain.linearRampToValueAtTime(0,a+.03);for(var c=0;c<this.numberOfTracks;c++)this.activeAudioSources[c].stop(a+.03);clearInterval(this.timerMonitorPosition)},a.prototype.startAudio=function(a,c){var d=this,e=b.currentTime,f=downwardRamp=.03;this.position=void 0!==a?a:this.position||0;for(var g=0;g<this.numberOfTracks;g++)this.activeAudioSources[g]=null,this.activeAudioSources[g]=b.createBufferSource(),this.activeAudioSources[g].buffer=this.trackBuffer[g].buffer,this.activeAudioSources[g].connect(this.trackGainNode[g]),void 0!==c?(this.gainNodeMaster.gain.setValueAtTime(0,e+downwardRamp),this.gainNodeMaster.gain.linearRampToValueAtTime(1,e+downwardRamp+f),this.activeAudioSources[g].start(e+downwardRamp,this.position+downwardRamp,f+c),this.gainNodeMaster.gain.setValueAtTime(1,e+downwardRamp+f),this.gainNodeMaster.gain.linearRampToValueAtTime(0,e+downwardRamp+f+c)):(this.gainNodeMaster.gain.cancelScheduledValues(e),this.gainNodeMaster.gain.setValueAtTime(0,e),this.gainNodeMaster.gain.linearRampToValueAtTime(1,e+f),this.activeAudioSources[g].start(e,this.position));this.startTime=e-(this.position||0),this.timerMonitorPosition=setInterval(function(){d.monitorPosition(d)},16)},a.prototype.pause=function(){!0===this.playing&&(this.stopAudio(),this.position=b.currentTime-this.startTime,this.playing=!1,this.updateMainControls())},a.prototype.other_instances=function(){return $(".jquery-trackswitch").not(this.element)},a.prototype.pause_others=function(){this.options.globalsolo&&this.other_instances().each(function(){$(this).data("plugin_"+c).pause()})},a.prototype.event_playpause=function(a){return!this.valid_click(a)&&32!==a.which||(a.preventDefault(),this.playing?this.pause():(this.startAudio(),this.pause_others(),this.playing=!0,this.updateMainControls()),a.stopPropagation(),!1)},a.prototype.event_stop=function(a){if(!this.valid_click(a))return!0;a.preventDefault();return this.playing&&this.stopAudio(),this.position=0,this.playing=!1,this.updateMainControls(),a.stopPropagation(),!1},a.prototype.event_repeat=function(a){return!this.valid_click(a)||(a.preventDefault(),this.repeat=!this.repeat,this.updateMainControls(),a.stopPropagation(),!1)},a.prototype.seek=function(a){if(a.type.indexOf("mouse")>=0)var b=a.pageX-$(this.seekingElement).offset().left;else var b=a.originalEvent.touches[0].pageX-$(this.seekingElement).offset().left;var c=$(this.seekingElement).width();c=c<1?1:c;var d=b<0?0:b>c?c:b,e=d/c*100,f=this.longestDuration*(e/100);b>=0&&b<=c&&this.playing?(this.stopAudio(),this.startAudio(f,.03)):this.position=f,this.updateMainControls()},a.prototype.event_seekStart=function(a){return!this.valid_click(a)||(a.preventDefault(),this.seekingElement=$(a.target).closest(".seekwrap"),this.seek(a),this.currentlySeeking=!0,a.stopPropagation(),!1)},a.prototype.event_seekMove=function(a){if(this.currentlySeeking)return a.preventDefault(),this.seek(a),!1;a.stopPropagation()},a.prototype.event_seekEnd=function(a){return a.preventDefault(),this.currentlySeeking&&this.playing&&this.startAudio(),this.currentlySeeking=!1,a.stopPropagation(),!1},a.prototype._index_from_target=function(a){return $(a).closest(".track").prevAll().length},a.prototype.event_solo=function(a){if(!this.valid_click(a))return!0;var b=this._index_from_target(a.target),c=this,d=this.trackProperties[b].solo;(a.shiftKey||this.options.radiosolo)&&$.each(this.trackProperties,function(a,b){c.trackProperties[a].solo=!1}),(this.options.radiosolo||a.shiftKey)&&d?this.trackProperties[b].solo=!0:this.trackProperties[b].solo=!d,this.apply_track_properties()},a.prototype.event_mute=function(a){if(!this.valid_click(a))return!0;a.preventDefault();var b=this._index_from_target(a.target);return this.trackProperties[b].mute=!this.trackProperties[b].mute,this.apply_track_properties(),a.stopPropagation(),!1},a.prototype.switch_image=function(){var a,b=this,c=0;$.each(this.trackProperties,function(d,e){!0===b.trackProperties[d].solo&&(c++,a=b.element.find("ts-track")[d].dataset.img)}),(1!==c||void 0===a||a.length<1)&&(a=this.originalImage),this.element.find(".seekable").attr("src",a)},a.prototype.apply_track_properties=function(){var a=this,b=!1;$.each(this.trackProperties,function(c,d){b=b||a.trackProperties[c].solo}),$.each(this.trackProperties,function(c,d){var e=a.element.find(".track_list li.track:nth-child("+(c+1)+")");a.trackProperties[c].mute?e.find(".mute").addClass("checked"):e.find(".mute").removeClass("checked"),a.trackProperties[c].solo?e.find(".solo").addClass("checked"):e.find(".solo").removeClass("checked"),a.trackGainNode.length>0&&(a.trackGainNode[c].gain.value=1,a.trackProperties[c].mute?a.trackGainNode[c].gain.value=0:a.trackGainNode[c].gain.value=1,b&&(a.trackProperties[c].solo?a.trackGainNode[c].gain.value=1:a.trackGainNode[c].gain.value=0))}),this.switch_image(),this.deselect()},a.prototype.deselect=function(a){var b="getSelection"in window?window.getSelection():"selection"in document?document.selection:null;"removeAllRanges"in b?b.removeAllRanges():"empty"in b&&b.empty()},$.fn[c]=function(b){return this.each(function(){$(this).data("plugin_"+c)||$(this).data("plugin_"+c,new a(this,b))})}}();