/* soundcite - v0.5.1 - 2017-07-10
 * Copyright (c) 2017 Tyler J. Fisher and Northwestern University Knight Lab
 */
(function(window,document,callback){var loaded_p=true;var loaded_s=true;var insertionPoint=document.head||document.getElementsByTagName("head").item(0)||document.documentElement.childNodes[0];function cmp_vers(v1,v2){var a1=v1.split(".");var a2=v2.split(".");for(var i=0;i<Math.min(a1.length,a2.length);i++){var n1=parseInt(a1[i]);var n2=parseInt(a2[i]);var d=n1-n2;if(d){return d}}return a1.length-a2.length}function load_popcorn(version,cb){var js=window.Popcorn,d,new_js;if(loaded_p){cb(js)}else if(!js||cmp_vers(version,js.version)>0||cb(js)){var script=document.createElement("script");script.type="text/javascript";script.src="https://cdn.knightlab.com/libs/soundcite/latest/vendor/popcorn.min.js";script.onload=script.onreadystatechange=function(){if(!loaded_p&&(!(d=this.readyState)||d=="loaded"||d=="complete")){new_js=window.Popcorn;if(js){window.Popcorn=js}cb(new_js,loaded_p=true);insertionPoint.removeChild(script)}};insertionPoint.appendChild(script)}}function load_soundcloud(version,cb){var js=window.SC,d;if(loaded_s){cb(js)}else if(!js||!js.Dialog||cmp_vers(version,js._version)>0||cb(js)){var script=document.createElement("script");script.type="text/javascript";script.src="//connect.soundcloud.com/sdk-2.0.0.js";script.onload=script.onreadystatechange=function(){if(!loaded_s&&(!(d=this.readyState)||d=="loaded"||d=="complete")){cb(window.SC,loaded_s=true);insertionPoint.removeChild(script)}};insertionPoint.appendChild(script)}}function r(f){if(/in/.test(document.readyState)){setTimeout(function(){r(f)},9)}else{f()}}r(function(){var elements=document.getElementsByClassName("soundcite");for(var i=0;i<elements.length;i++){if(elements[i].getAttribute("data-url")){loaded_p=false}else{loaded_s=false}}load_popcorn("1.5.6",function(p){load_soundcloud("2.0.0",function(s){callback(elements,p,s)})})})})(window,document,function(soundcite_elements,$Popcorn,$SoundCloud){var SOUNDCITE_CONFIG={soundcloud_client_id:"5f016c08c2201881c4217afd5f52e065"};for(var key in window.SOUNDCITE_CONFIG){SOUNDCITE_CONFIG[key]=window.SOUNDCITE_CONFIG[key]}var rgb=normalize_background_color(SOUNDCITE_CONFIG.background_color);if(rgb){SOUNDCITE_CONFIG.background_color=rgb.join(",")}else{SOUNDCITE_CONFIG.background_color="0,0,0"}var style=document.createElement("style");style.type="text/css";style.innerHTML=".soundcite-loaded { background-color: rgba("+SOUNDCITE_CONFIG.background_color+",.15) }";document.getElementsByTagName("head")[0].appendChild(style);var bind=function(func,context){var slice=Array.prototype.slice;var args=slice.call(arguments,2);return function(){return func.apply(context,args.concat(slice.call(arguments)))}};function removeClass(el,name){var cn=el.className;for(var i=0,arr=name.match(/\S+/g);i<arr.length;i++){cn=cn.replace(new RegExp("(?:^|\\s)"+arr[i]+"(?!\\S)"),"")}el.className=cn}function addClass(el,name){var cn=el.className;for(var i=0,arr=name.match(/\S+/g);i<arr.length;i++){if(!cn.match(new RegExp("(?:^|\\s)"+arr[i]+"(?!\\S)"))){cn+=" "+arr[i]}}el.className=cn}function normalize_background_color(str){if(!str)return null;var rgb=[];var RGB_PATTERN=/^(?:rgb|rgba)?\(?(\d+),(\d+),(\d+).*\)?$/;var match_group=str.match(RGB_PATTERN);if(match_group){var red=parseInt(match_group[1]);var green=parseInt(match_group[2]);var blue=parseInt(match_group[3]);rgb=[red,green,blue]}else{var HEX_PATTERN=/^#?([0-9A-F]{1,2})([0-9A-F]{1,2})([0-9A-F]{1,2})$/i;var match_group=str.match(HEX_PATTERN);if(match_group){function hex_to_int(hex){if(hex.length==1)hex=hex+hex;return parseInt(hex,16)}var red=hex_to_int(match_group[1]);var green=hex_to_int(match_group[2]);var blue=hex_to_int(match_group[3]);rgb=[red,green,blue]}}function valid_color(i){return!isNaN(i)&&i>=0&&i<=255}if(rgb&&valid_color(rgb[0])&&valid_color(rgb[1])&&valid_color(rgb[2])){return rgb}return null}var update_playing_element=function(el,percentage){var color=SOUNDCITE_CONFIG.background_color||"0,0,0";el.style.cssText="background: -webkit-linear-gradient(left, rgba("+color+",.15)"+percentage+"%, rgba("+color+",.05)"+(percentage+1)+"%);"+"background: linear-gradient(to right, rgba("+color+",.15)"+percentage+"%, rgba("+color+",.05)"+(percentage+1)+"%);"};window.soundcite={};if(/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)){soundcite.mobile=true}else{soundcite.mobile=false}var clips=[];var audio_container=document.createElement("div");addClass(audio_container,"soundcite-audio");document.getElementsByTagName("body")[0].appendChild(audio_container);if($SoundCloud){$SoundCloud.initialize({client_id:SOUNDCITE_CONFIG["soundcloud_client_id"]})}function pause_all_clips(except_clip){for(var i=0;i<clips.length;i++){if(clips[i].playing){if(!except_clip||except_clip.el!==clips[i].el){clips[i].pause()}}}}function Clip(el){this.el=el;this.start=el.hasAttribute("data-start")?el.getAttribute("data-start"):0;this.end=el.hasAttribute("data-end")?el.getAttribute("data-end"):null;this.plays=el.hasAttribute("data-plays")?parseInt(el.getAttribute("data-plays")):1;this.plays_left=this.plays;this.playing=false;this.sound=null;clips.push(this)}Clip.prototype.sound_loaded=function(){this.el.addEventListener("click",bind(this.click_handler,this));addClass(this.el,"soundcite-loaded soundcite-play")};Clip.prototype.pause=function(){removeClass(this.el,"soundcite-pause");addClass(this.el,"soundcite-play");this.pause_sound();this.playing=false};Clip.prototype.stop=function(){removeClass(this.el,"soundcite-pause");addClass(this.el,"soundcite-play");this.stop_sound();this.playing=false;this.plays_left=this.plays};Clip.prototype.track_progress=function(){var totalTime=this.end-this.start;var position=this.sound_position();var relative_position=position-this.start;var percentage=relative_position*100/totalTime;var update_function=SOUNDCITE_CONFIG.update_playing_element||update_playing_element;update_function(this.el,percentage)};Clip.prototype.click_handler=function(event){event.preventDefault();pause_all_clips(this);if(this.playing){this.pause()}else{this.play()}};function SoundCloudClip(el){Clip.apply(this,Array.prototype.slice.call(arguments));this.id=el.getAttribute("data-id");$SoundCloud.stream(this.id,bind(function(sound){this.sound=sound;this.sound._player.on("positionChange",bind(function(pos){this.track_progress();if(pos>=this.end){if(this.plays){this.plays_left--;if(this.plays_left>0){this.play();this.track_position()}else{this.stop()}}else{this.play();this.track_position()}}},this));if(this.end===null){this.end=this.sound.getDuration()}this.sound_loaded()},this))}SoundCloudClip.prototype=Object.create(Clip.prototype);SoundCloudClip.prototype.sound_position=function(){return this.sound.getCurrentPosition()};SoundCloudClip.prototype.pause_sound=function(){this.sound.pause()};SoundCloudClip.prototype.stop_sound=function(){this.sound.stop()};SoundCloudClip.prototype.play=function(){var pos=this.sound_position();if(pos<this.start||pos>=this.end){this.sound.seek(this.start)}removeClass(this.el,"soundcite-play");addClass(this.el,"soundcite-pause");this.sound.play();this.playing=true};function PopcornClip(el){Clip.apply(this,Array.prototype.slice.call(arguments));this.id="soundcite-audio-"+clips.length;this.url=el.getAttribute("data-url");this.start=Math.floor(this.start/1e3);if(this.end!==null){this.end=Math.floor(this.end/1e3)}var audio=document.createElement("audio");audio.id=this.id;audio.setAttribute("src",this.url);audio.setAttribute("preload","true");audio_container.appendChild(audio);this.sound=$Popcorn("#"+this.id,{frameAnimation:true});this.sound.on("loadeddata",bind(function(){if(this.end===null){this.end=this.sound.duration()}this.sound.cue(this.end,bind(function(){if(this.plays){this.plays_left--;if(this.plays_left>0){this.sound.currentTime(this.start);this.play()}else{this.stop();this.sound.currentTime(this.start)}}else{this.sound.currentTime(this.start);this.play()}},this));if(!soundcite.mobile){this.sound_loaded()}},this));if(soundcite.mobile){this.sound_loaded()}else if(this.sound.readyState()>1){this.sound_loaded()}}PopcornClip.prototype=Object.create(Clip.prototype);PopcornClip.prototype.sound_position=function(){return this.sound.currentTime()};PopcornClip.prototype.pause_sound=function(){this.sound.pause();this.sound.off("timeupdate")};PopcornClip.prototype.stop_sound=function(){this.sound.pause();this.sound.off("timeupdate")};PopcornClip.prototype._play_sound=function(){removeClass(this.el,"soundcite-loading soundcite-play");addClass(this.el,"soundcite-pause");this.sound.play();this.playing=true;this.sound.on("timeupdate",bind(this.track_progress,this))};PopcornClip.prototype.play_sound=function(){var pos=this.sound.roundTime();if(pos<this.start||pos>=this.end){this.sound.on("seeked",bind(function(){this.sound.off("seeked");this._play_sound()},this));this.sound.currentTime(this.start)}else{this._play_sound()}};PopcornClip.prototype.play=function(){if(soundcite.mobile){removeClass(this.el,"soundcite-play");addClass(this.el,"soundcite-loading");if(this.sound.readyState()>1){this.play_sound()}else{this.sound.on("canplaythrough",bind(function(){this.play_sound()},this));document.getElementById(this.id).load()}}else{this.play_sound()}};for(var i=0;i<soundcite_elements.length;i++){var el=soundcite_elements[i];if(el.getAttribute("data-url")){new PopcornClip(el)}else if(el.getAttribute("data-id")){new SoundCloudClip(el)}else{console.log('Unable to form Soundcite element because of missing attributes. The offending Soundcite was "'+el.textContent+'."');console.log(el)}}soundcite.Clip=Clip;soundcite.SoundCloudClip=SoundCloudClip;soundcite.PopcornClip=PopcornClip;soundcite.clips=clips;soundcite.pause_all_clips=pause_all_clips;soundcite.normalize_background_color=normalize_background_color});