var NetkonceptReader=(function(){function NetkonceptReader(){var _this=this;this.apiUrl="http://developer.skycms.com.pl/text-to-speech/index.php?str=";this.audio=new Audio;this.audio.addEventListener("ended",this.speak.bind(this));this.language="pl-PL";this.phrases=[];this.addAnchorListener();this.characterLimit=100;this.readAnchorsStatus=false;this.synthesis=window.speechSynthesis;if(this.isSpeechSynthesisSupported()){this.getPreferredVoice();this.synthesis.onvoiceschanged=function(){_this.getPreferredVoice();};}
else{this.voices=[];}}
NetkonceptReader.prototype.setReadAnchorsStatus=function(status){this.readAnchorsStatus=status;};NetkonceptReader.prototype.getPreferredVoice=function(){var _this=this;this.voices=this.synthesis.getVoices();var lang=this.voices.filter(function(voice){return voice.lang===_this.language;});var google=lang.filter(function(voice){return voice.name.indexOf("Google")>-1;});if(google.length>0){this.voice=google[0];}
else if(lang.length>0){this.voice=lang[0];}
else{this.voice=this.voices[0];}};NetkonceptReader.prototype.cancel=function(){clearTimeout(this.timeout);this.synthesis.cancel();};NetkonceptReader.prototype.isSpeechSynthesisSupported=function(){return'speechSynthesis'in window;};NetkonceptReader.prototype.isNotEmptyString=function(text){return /\S/.test(text);};NetkonceptReader.prototype.removeEolAfterPunctuationMarks=function(text){text=text.replace(/([\n\r])+/gm,"\n");var b=/([,.:!\u00a1?\u00bf;()\[\]\u2014\u00ab\u00bb])+[\n\r]/gm;for(var d=false;d===true;){text.match(b)===null?(d=true):(text=text.replace(b,"$1 "));}
return text;};NetkonceptReader.prototype.replaceQuotationMarks=function(text){return text.replace(/["`]/gm,"'");};NetkonceptReader.prototype.splitIntoPhrases=function(text){var phrases=[];text=this.replaceQuotationMarks(text);if(text.length>this.characterLimit){for(var f=(text=this.removeEolAfterPunctuationMarks(text));f.length>this.characterLimit;){var g=f.search(/([:!\u00a1?\u00bf;\(\)\[\]\u2014\u00ab\u00bb\n]+|\.[^0-9]+)/);var e="";if(-1==g||g>=this.characterLimit)
g=f.search(/,[^0-9]+/);if(-1==g||g>=this.characterLimit){var l=f.split(" ");for(g=0;g<l.length;g++){if(e.length+l[g].length+1>this.characterLimit){l[g].length>=this.characterLimit&&(e+=l[g].substr(0,this.characterLimit-e.length-1));break;}
e+=(0!=g?" ":"")+l[g];}}
else
e=f.substr(0,g+1);f=f.substr(e.length,f.length-e.length);phrases.push(e);}
0<f.length&&phrases.push(f);}
else{phrases.push(text);}
return phrases;};NetkonceptReader.prototype.addAnchorListener=function(){var links=document.querySelectorAll("a");for(var l=0;l<links.length;l++){links[l].addEventListener("mouseenter",this.readAnchors.bind(this,links[l]));links[l].addEventListener("focus",this.readAnchors.bind(this,links[l]));}};NetkonceptReader.prototype.readAnchorsUsingSpeechSynthesis=function(text){var _this=this;this.cancel();this.timeout=setTimeout(function(){_this.read(text);},100);};NetkonceptReader.prototype.readAnchorsUsingTtsApi=function(text){this.audio.pause();this.read(text);};NetkonceptReader.prototype.readAnchor=function(text){if(this.readAnchorsStatus){if(this.isSpeechSynthesisSupported()){this.cancel();}
this.read(text);}};NetkonceptReader.prototype.readAnchors=function(anchor){if(this.readAnchorsStatus){var title=anchor.getAttribute("title");var text=title?title:anchor.innerText;if(text!==""){if(this.isSpeechSynthesisSupported()){this.readAnchorsUsingSpeechSynthesis(text.trim());}
else{this.readAnchorsUsingTtsApi(text.trim());}}}};NetkonceptReader.prototype.read=function(text){this.phrases=this.splitIntoPhrases(text);this.speak();};NetkonceptReader.prototype.speakUsingSpeechSynthesis=function(text){if(this.isNotEmptyString(text)){var utterance=new SpeechSynthesisUtterance(text);utterance.lang=this.language;utterance.voice=this.voice;utterance.addEventListener("end",this.speak.bind(this));this.synthesis.speak(utterance);}
else{this.speak();}};NetkonceptReader.prototype.speakUsingTtsApi=function(text){if(this.isNotEmptyString(text)){this.audio.src=encodeURI(this.apiUrl+text);var play=this.audio.play();if(play!==undefined){play.then(function(){})["catch"](function(error){console.error(error.toString());});}}
else{this.speak();}};NetkonceptReader.prototype.speak=function(){if(this.phrases.length>0){var text=this.phrases.shift();if(typeof text==="string"){if(this.isSpeechSynthesisSupported()){this.speakUsingSpeechSynthesis(text.trim());}
else{this.speakUsingTtsApi(text.trim());}}}};return NetkonceptReader;}());