me@1936: /**
me@1936:  * core.js
me@1936:  * 
me@1936:  * Main script to run, calls all other core functions and manages loading/store to backend.
me@1936:  * Also contains all global variables.
me@1936:  */
me@1936: 
me@1936: /* create the web audio API context and store in audioContext*/
me@1936: var audioContext; // Hold the browser web audio API
me@1936: var projectXML; // Hold the parsed setup XML
me@1936: var schemaXSD; // Hold the parsed schema XSD
me@1936: var specification;
me@1936: var interfaceContext;
me@1936: var storage;
me@1936: var popup; // Hold the interfacePopup object
me@1936: var testState;
me@1936: var currentTrackOrder = []; // Hold the current XML tracks in their (randomised) order
me@1936: var audioEngineContext; // The custome AudioEngine object
me@1936: var projectReturn; // Hold the URL for the return
me@1936: 
me@1936: 
me@1936: // Add a prototype to the bufferSourceNode to reference to the audioObject holding it
me@1936: AudioBufferSourceNode.prototype.owner = undefined;
me@1936: // Add a prototype to the bufferSourceNode to hold when the object was given a play command
me@1936: AudioBufferSourceNode.prototype.playbackStartTime = undefined;
me@1936: // Add a prototype to the bufferNode to hold the desired LINEAR gain
me@1936: AudioBuffer.prototype.playbackGain = undefined;
me@1936: // Add a prototype to the bufferNode to hold the computed LUFS loudness
me@1936: AudioBuffer.prototype.lufs = undefined;
me@1936: 
me@1936: // Firefox does not have an XMLDocument.prototype.getElementsByName
me@1936: // and there is no searchAll style command, this custom function will
me@1936: // search all children recusrively for the name. Used for XSD where all
me@1936: // element nodes must have a name and therefore can pull the schema node
me@1936: XMLDocument.prototype.getAllElementsByName = function(name)
me@1936: {
me@1936:     name = String(name);
me@1936:     var selected = this.documentElement.getAllElementsByName(name);
me@1936:     return selected;
me@1936: }
me@1936: 
me@1936: Element.prototype.getAllElementsByName = function(name)
me@1936: {
me@1936:     name = String(name);
me@1936:     var selected = [];
me@1936:     var node = this.firstElementChild;
me@1936:     while(node != null)
me@1936:     {
me@1936:         if (node.getAttribute('name') == name)
me@1936:         {
me@1936:             selected.push(node);
me@1936:         }
me@1936:         if (node.childElementCount > 0)
me@1936:         {
me@1936:             selected = selected.concat(node.getAllElementsByName(name));
me@1936:         }
me@1936:         node = node.nextElementSibling;
me@1936:     }
me@1936:     return selected;
me@1936: }
me@1936: 
me@1936: XMLDocument.prototype.getAllElementsByTagName = function(name)
me@1936: {
me@1936:     name = String(name);
me@1936:     var selected = this.documentElement.getAllElementsByTagName(name);
me@1936:     return selected;
me@1936: }
me@1936: 
me@1936: Element.prototype.getAllElementsByTagName = function(name)
me@1936: {
me@1936:     name = String(name);
me@1936:     var selected = [];
me@1936:     var node = this.firstElementChild;
me@1936:     while(node != null)
me@1936:     {
me@1936:         if (node.nodeName == name)
me@1936:         {
me@1936:             selected.push(node);
me@1936:         }
me@1936:         if (node.childElementCount > 0)
me@1936:         {
me@1936:             selected = selected.concat(node.getAllElementsByTagName(name));
me@1936:         }
me@1936:         node = node.nextElementSibling;
me@1936:     }
me@1936:     return selected;
me@1936: }
me@1936: 
me@1936: // Firefox does not have an XMLDocument.prototype.getElementsByName
me@1936: if (typeof XMLDocument.prototype.getElementsByName != "function") {
me@1936:     XMLDocument.prototype.getElementsByName = function(name)
me@1936:     {
me@1936:         name = String(name);
me@1936:         var node = this.documentElement.firstElementChild;
me@1936:         var selected = [];
me@1936:         while(node != null)
me@1936:         {
me@1936:             if (node.getAttribute('name') == name)
me@1936:             {
me@1936:                 selected.push(node);
me@1936:             }
me@1936:             node = node.nextElementSibling;
me@1936:         }
me@1936:         return selected;
me@1936:     }
me@1936: }
me@1936: 
me@1936: window.onload = function() {
me@1936: 	// Function called once the browser has loaded all files.
me@1936: 	// This should perform any initial commands such as structure / loading documents
me@1936: 	
me@1936: 	// Create a web audio API context
me@1936: 	// Fixed for cross-browser support
me@1936: 	var AudioContext = window.AudioContext || window.webkitAudioContext;
me@1936: 	audioContext = new AudioContext;
me@1936: 	
me@1936: 	// Create test state
me@1936: 	testState = new stateMachine();
me@1936: 	
me@1936: 	// Create the popup interface object
me@1936: 	popup = new interfacePopup();
me@1936:     
me@1936:     // Create the specification object
me@1936: 	specification = new Specification();
me@1936: 	
me@1936: 	// Create the interface object
me@1936: 	interfaceContext = new Interface(specification);
me@1936: 	
me@1936: 	// Create the storage object
me@1936: 	storage = new Storage();
me@1936: 	// Define window callbacks for interface
me@1936: 	window.onresize = function(event){interfaceContext.resizeWindow(event);};
me@1936: };
me@1936: 
me@1936: function loadProjectSpec(url) {
me@1936: 	// Load the project document from the given URL, decode the XML and instruct audioEngine to get audio data
me@1936: 	// If url is null, request client to upload project XML document
me@1936: 	var xmlhttp = new XMLHttpRequest();
me@1936: 	xmlhttp.open("GET",'test-schema.xsd',true);
me@1936: 	xmlhttp.onload = function()
me@1936: 	{
me@1936: 		schemaXSD = xmlhttp.response;
me@1936: 		var parse = new DOMParser();
me@1936: 		specification.schema = parse.parseFromString(xmlhttp.response,'text/xml');
me@1936: 		var r = new XMLHttpRequest();
me@1936: 		r.open('GET',url,true);
me@1936: 		r.onload = function() {
me@1936: 			loadProjectSpecCallback(r.response);
me@1936: 		};
nickjillings@1939:         r.onerror = function() {
nickjillings@1939:             document.getElementsByTagName('body')[0].innerHTML = null;
nickjillings@1939:             var msg = document.createElement("h3");
nickjillings@1939:             msg.textContent = "FATAL ERROR";
nickjillings@1939:             var span = document.createElement("p");
nickjillings@1939:             span.textContent = "There was an error when loading your XML file. Please check your path in the URL. After the path to this page, there should be '?url=path/to/your/file.xml'. Check the spelling of your filename as well. If you are still having issues, check the log of the python server or your webserver distribution for 404 codes for your file.";
nickjillings@1939:             document.getElementsByTagName('body')[0].appendChild(msg);
nickjillings@1939:             document.getElementsByTagName('body')[0].appendChild(span);
nickjillings@1939:         }
me@1936: 		r.send();
me@1936: 	};
me@1936: 	xmlhttp.send();
me@1936: };
me@1936: 
me@1936: function loadProjectSpecCallback(response) {
me@1936: 	// Function called after asynchronous download of XML project specification
me@1936: 	//var decode = $.parseXML(response);
me@1936: 	//projectXML = $(decode);
me@1936: 	
me@1936: 	// First perform XML schema validation
me@1936: 	var Module = {
me@1936: 		xml: response,
me@1936: 		schema: schemaXSD,
me@1936: 		arguments:["--noout", "--schema", 'test-schema.xsd','document.xml']
me@1936: 	};
me@1936: 	
me@1936: 	var xmllint = validateXML(Module);
me@1936: 	console.log(xmllint);
me@1936: 	if(xmllint != 'document.xml validates\n')
me@1936: 	{
me@1936: 		document.getElementsByTagName('body')[0].innerHTML = null;
me@1936: 		var msg = document.createElement("h3");
me@1936: 		msg.textContent = "FATAL ERROR";
me@1936: 		var span = document.createElement("h4");
me@1936: 		span.textContent = "The XML validator returned the following errors when decoding your XML file";
me@1936: 		document.getElementsByTagName('body')[0].appendChild(msg);
me@1936: 		document.getElementsByTagName('body')[0].appendChild(span);
me@1936: 		xmllint = xmllint.split('\n');
me@1936: 		for (var i in xmllint)
me@1936: 		{
me@1936: 			document.getElementsByTagName('body')[0].appendChild(document.createElement('br'));
me@1936: 			var span = document.createElement("span");
me@1936: 			span.textContent = xmllint[i];
me@1936: 			document.getElementsByTagName('body')[0].appendChild(span);
me@1936: 		}
me@1936: 		return;
me@1936: 	}
me@1936: 	
me@1936: 	var parse = new DOMParser();
me@1936: 	projectXML = parse.parseFromString(response,'text/xml');
me@1936: 	var errorNode = projectXML.getElementsByTagName('parsererror');
me@1936: 	if (errorNode.length >= 1)
me@1936: 	{
me@1936: 		var msg = document.createElement("h3");
me@1936: 		msg.textContent = "FATAL ERROR";
me@1936: 		var span = document.createElement("span");
me@1936: 		span.textContent = "The XML parser returned the following errors when decoding your XML file";
me@1936: 		document.getElementsByTagName('body')[0].innerHTML = null;
me@1936: 		document.getElementsByTagName('body')[0].appendChild(msg);
me@1936: 		document.getElementsByTagName('body')[0].appendChild(span);
me@1936: 		document.getElementsByTagName('body')[0].appendChild(errorNode[0]);
me@1936: 		return;
me@1936: 	}
me@1936: 	
me@1936: 	// Build the specification
me@1936: 	specification.decode(projectXML);
me@1936: 	storage.initialise();
me@1936: 	/// CHECK FOR SAMPLE RATE COMPATIBILITY
me@1936: 	if (specification.sampleRate != undefined) {
me@1936: 		if (Number(specification.sampleRate) != audioContext.sampleRate) {
me@1936: 			var errStr = 'Sample rates do not match! Requested '+Number(specification.sampleRate)+', got '+audioContext.sampleRate+'. Please set the sample rate to match before completing this test.';
me@1936: 			alert(errStr);
me@1936: 			return;
me@1936: 		}
me@1936: 	}
me@1936: 	
me@1936: 	// Detect the interface to use and load the relevant javascripts.
me@1936: 	var interfaceJS = document.createElement('script');
me@1936: 	interfaceJS.setAttribute("type","text/javascript");
me@1936: 	switch(specification.interface)
me@1936: 	{
me@1936: 		case "APE":
me@1936: 		interfaceJS.setAttribute("src","interfaces/ape.js");
me@1936: 		
me@1936: 		// APE comes with a css file
me@1936: 		var css = document.createElement('link');
me@1936: 		css.rel = 'stylesheet';
me@1936: 		css.type = 'text/css';
me@1936: 		css.href = 'interfaces/ape.css';
me@1936: 		
me@1936: 		document.getElementsByTagName("head")[0].appendChild(css);
me@1936: 		break;
me@1936: 		
me@1936: 		case "MUSHRA":
me@1936: 		interfaceJS.setAttribute("src","interfaces/mushra.js");
me@1936: 		
me@1936: 		// MUSHRA comes with a css file
me@1936: 		var css = document.createElement('link');
me@1936: 		css.rel = 'stylesheet';
me@1936: 		css.type = 'text/css';
me@1936: 		css.href = 'interfaces/mushra.css';
me@1936: 		
me@1936: 		document.getElementsByTagName("head")[0].appendChild(css);
me@1936: 		break;
me@1936: 		
me@1936: 		case "AB":
me@1936: 		interfaceJS.setAttribute("src","interfaces/AB.js");
me@1936: 		
me@1936: 		// AB comes with a css file
me@1936: 		var css = document.createElement('link');
me@1936: 		css.rel = 'stylesheet';
me@1936: 		css.type = 'text/css';
me@1936: 		css.href = 'interfaces/AB.css';
me@1936: 		
me@1936: 		document.getElementsByTagName("head")[0].appendChild(css);
me@1936: 		break;
me@1936: 		case "Bipolar":
me@1936: 		case "ACR":
me@1936: 		case "DCR":
me@1936: 		case "CCR":
me@1936: 		case "ABC":
me@1936: 		// Above enumerate to horizontal sliders
me@1936: 		interfaceJS.setAttribute("src","interfaces/horizontal-sliders.js");
me@1936: 		
me@1936: 		// horizontal-sliders comes with a css file
me@1936: 		var css = document.createElement('link');
me@1936: 		css.rel = 'stylesheet';
me@1936: 		css.type = 'text/css';
me@1936: 		css.href = 'interfaces/horizontal-sliders.css';
me@1936: 		
me@1936: 		document.getElementsByTagName("head")[0].appendChild(css);
me@1936: 		break;
me@1936: 		case "discrete":
me@1936: 		case "likert":
me@1936: 		// Above enumerate to horizontal discrete radios
me@1936: 		interfaceJS.setAttribute("src","interfaces/discrete.js");
me@1936: 		
me@1936: 		// horizontal-sliders comes with a css file
me@1936: 		var css = document.createElement('link');
me@1936: 		css.rel = 'stylesheet';
me@1936: 		css.type = 'text/css';
me@1936: 		css.href = 'interfaces/discrete.css';
me@1936: 		
me@1936: 		document.getElementsByTagName("head")[0].appendChild(css);
me@1936: 		break;
me@1936: 	}
me@1936: 	document.getElementsByTagName("head")[0].appendChild(interfaceJS);
me@1936: 	
me@1936: 	// Create the audio engine object
me@1936: 	audioEngineContext = new AudioEngine(specification);
me@1936: 	
me@1936: 	$(specification.pages).each(function(index,elem){
me@1936: 		$(elem.audioElements).each(function(i,audioElem){
me@1936: 			var URL = elem.hostURL + audioElem.url;
me@1936: 			var buffer = null;
me@1936: 			for (var i=0; i<audioEngineContext.buffers.length; i++)
me@1936: 			{
me@1936: 				if (URL == audioEngineContext.buffers[i].url)
me@1936: 				{
me@1936: 					buffer = audioEngineContext.buffers[i];
me@1936: 					break;
me@1936: 				}
me@1936: 			}
me@1936: 			if (buffer == null)
me@1936: 			{
me@1936: 				buffer = new audioEngineContext.bufferObj();
me@1936: 				buffer.getMedia(URL);
me@1936: 				audioEngineContext.buffers.push(buffer);
me@1936: 			}
me@1936: 		});
me@1936: 	});
me@1936: }
me@1936: 
me@1936: function createProjectSave(destURL) {
me@1936: 	// Save the data from interface into XML and send to destURL
me@1936: 	// If destURL is null then download XML in client
me@1936: 	// Now time to render file locally
me@1936: 	var xmlDoc = interfaceXMLSave();
me@1936: 	var parent = document.createElement("div");
me@1936: 	parent.appendChild(xmlDoc);
me@1936: 	var file = [parent.innerHTML];
me@1936: 	if (destURL == "null" || destURL == undefined) {
me@1936: 		var bb = new Blob(file,{type : 'application/xml'});
me@1936: 		var dnlk = window.URL.createObjectURL(bb);
me@1936: 		var a = document.createElement("a");
me@1936: 		a.hidden = '';
me@1936: 		a.href = dnlk;
me@1936: 		a.download = "save.xml";
me@1936: 		a.textContent = "Save File";
me@1936: 		
me@1936: 		popup.showPopup();
me@1936: 		popup.popupContent.innerHTML = "</span>Please save the file below to give to your test supervisor</span><br>";
me@1936: 		popup.popupContent.appendChild(a);
me@1936: 	} else {
me@1936: 		var xmlhttp = new XMLHttpRequest;
me@1936: 		xmlhttp.open("POST",destURL,true);
me@1936: 		xmlhttp.setRequestHeader('Content-Type', 'text/xml');
me@1936: 		xmlhttp.onerror = function(){
me@1936: 			console.log('Error saving file to server! Presenting download locally');
me@1936: 			createProjectSave(null);
me@1936: 		};
me@1936: 		xmlhttp.onreadystatechange  = function() {
me@1936: 			console.log(xmlhttp.status);
me@1936: 			if (xmlhttp.status != 200 && xmlhttp.readyState == 4) {
me@1936: 				createProjectSave(null);
me@1936: 			} else {
nickjillings@1939: 				var parser = new DOMParser();
nickjillings@1939: 				var xmlDoc = parser.parseFromString(xmlhttp.responseText, "application/xml");
nickjillings@1939: 				if (xmlDoc == null)
me@1936: 				{
me@1936: 					createProjectSave('null');
me@1936: 				}
nickjillings@1939: 				var response = xmlDoc.childNodes[0];
me@1936: 				if (response.getAttribute('state') == "OK")
me@1936: 				{
me@1936: 					var file = response.getElementsByTagName('file')[0];
me@1936: 					console.log('Save OK: Filename '+file.textContent+','+file.getAttribute('bytes')+'B');
me@1936: 					popup.showPopup();
me@1936: 					popup.popupContent.innerHTML = null;
me@1936: 					popup.popupContent.textContent = "Thank you!";
nickjillings@1939: 					window.onbeforeunload=null;
me@1936: 				} else {
me@1936: 					var message = response.getElementsByTagName('message')[0];
me@1936: 					errorSessionDump(message.textContent);
me@1936: 				}
me@1936: 			}
me@1936: 		};
me@1936: 		xmlhttp.send(file);
me@1936: 		popup.showPopup();
me@1936: 		popup.popupContent.innerHTML = null;
me@1936: 		popup.popupContent.textContent = "Submitting. Please Wait";
nickjillings@1939:         popup.hideNextButton();
nickjillings@1939:         popup.hidePreviousButton();
me@1936: 	}
me@1936: }
me@1936: 
me@1936: function errorSessionDump(msg){
me@1936: 	// Create the partial interface XML save
me@1936: 	// Include error node with message on why the dump occured
me@1936: 	popup.showPopup();
me@1936: 	popup.popupContent.innerHTML = null;
me@1936: 	var err = document.createElement('error');
me@1936: 	var parent = document.createElement("div");
me@1936: 	if (typeof msg === "object")
me@1936: 	{
me@1936: 		err.appendChild(msg);
me@1936: 		popup.popupContent.appendChild(msg);
me@1936: 		
me@1936: 	} else {
me@1936: 		err.textContent = msg;
me@1936: 		popup.popupContent.innerHTML = "ERROR : "+msg;
me@1936: 	}
me@1936: 	var xmlDoc = interfaceXMLSave();
me@1936: 	xmlDoc.appendChild(err);
me@1936: 	parent.appendChild(xmlDoc);
me@1936: 	var file = [parent.innerHTML];
me@1936: 	var bb = new Blob(file,{type : 'application/xml'});
me@1936: 	var dnlk = window.URL.createObjectURL(bb);
me@1936: 	var a = document.createElement("a");
me@1936: 	a.hidden = '';
me@1936: 	a.href = dnlk;
me@1936: 	a.download = "save.xml";
me@1936: 	a.textContent = "Save File";
me@1936: 	
me@1936: 	
me@1936: 	
me@1936: 	popup.popupContent.appendChild(a);
me@1936: }
me@1936: 
me@1936: // Only other global function which must be defined in the interface class. Determines how to create the XML document.
me@1936: function interfaceXMLSave(){
me@1936: 	// Create the XML string to be exported with results
me@1936: 	return storage.finish();
me@1936: }
me@1936: 
me@1936: function linearToDecibel(gain)
me@1936: {
me@1936: 	return 20.0*Math.log10(gain);
me@1936: }
me@1936: 
me@1936: function decibelToLinear(gain)
me@1936: {
me@1936: 	return Math.pow(10,gain/20.0);
me@1936: }
me@1936: 
me@1936: function interfacePopup() {
me@1936: 	// Creates an object to manage the popup
me@1936: 	this.popup = null;
me@1936: 	this.popupContent = null;
me@1936: 	this.popupTitle = null;
me@1936: 	this.popupResponse = null;
me@1936: 	this.buttonProceed = null;
me@1936: 	this.buttonPrevious = null;
me@1936: 	this.popupOptions = null;
me@1936: 	this.currentIndex = null;
me@1936: 	this.node = null;
me@1936: 	this.store = null;
me@1936: 	$(window).keypress(function(e){
me@1936: 			if (e.keyCode == 13 && popup.popup.style.visibility == 'visible')
me@1936: 			{
me@1936: 				console.log(e);
me@1936: 				popup.buttonProceed.onclick();
me@1936: 				e.preventDefault();
me@1936: 			}
me@1936: 		});
me@1936: 	
me@1936: 	this.createPopup = function(){
me@1936: 		// Create popup window interface
me@1936: 		var insertPoint = document.getElementById("topLevelBody");
me@1936: 		
me@1936: 		this.popup = document.getElementById('popupHolder');
me@1936: 		this.popup.style.left = (window.innerWidth/2)-250 + 'px';
me@1936: 		this.popup.style.top = (window.innerHeight/2)-125 + 'px';
me@1936: 		
me@1936: 		this.popupContent = document.getElementById('popupContent');
me@1936: 		
me@1936: 		this.popupTitle = document.getElementById('popupTitle');
me@1936: 		
me@1936: 		this.popupResponse = document.getElementById('popupResponse');
me@1936: 		
me@1936: 		this.buttonProceed = document.getElementById('popup-proceed');
me@1936: 		this.buttonProceed.onclick = function(){popup.proceedClicked();};
me@1936: 		
me@1936: 		this.buttonPrevious = document.getElementById('popup-previous');
me@1936: 		this.buttonPrevious.onclick = function(){popup.previousClick();};
me@1936: 		
me@1936:         this.hidePopup();
me@1936:         
me@1936: 		this.popup.style.zIndex = -1;
me@1936: 		this.popup.style.visibility = 'hidden';
me@1936: 	};
me@1936: 	
me@1936: 	this.showPopup = function(){
me@1936: 		if (this.popup == null) {
me@1936: 			this.createPopup();
me@1936: 		}
me@1936: 		this.popup.style.zIndex = 3;
me@1936: 		this.popup.style.visibility = 'visible';
me@1936: 		var blank = document.getElementsByClassName('testHalt')[0];
me@1936: 		blank.style.zIndex = 2;
me@1936: 		blank.style.visibility = 'visible';
me@1936: 	};
me@1936: 	
me@1936: 	this.hidePopup = function(){
me@1936: 		this.popup.style.zIndex = -1;
me@1936: 		this.popup.style.visibility = 'hidden';
me@1936: 		var blank = document.getElementsByClassName('testHalt')[0];
me@1936: 		blank.style.zIndex = -2;
me@1936: 		blank.style.visibility = 'hidden';
me@1936: 		this.buttonPrevious.style.visibility = 'inherit';
me@1936: 	};
me@1936: 	
me@1936: 	this.postNode = function() {
me@1936: 		// This will take the node from the popupOptions and display it
me@1936: 		var node = this.popupOptions[this.currentIndex];
me@1936: 		this.popupResponse.innerHTML = null;
me@1936: 		this.popupTitle.textContent = node.specification.statement;
me@1936: 		if (node.specification.type == 'question') {
me@1936: 			var textArea = document.createElement('textarea');
me@1936: 			switch (node.specification.boxsize) {
me@1936: 			case 'small':
me@1936: 				textArea.cols = "20";
me@1936: 				textArea.rows = "1";
me@1936: 				break;
me@1936: 			case 'normal':
me@1936: 				textArea.cols = "30";
me@1936: 				textArea.rows = "2";
me@1936: 				break;
me@1936: 			case 'large':
me@1936: 				textArea.cols = "40";
me@1936: 				textArea.rows = "5";
me@1936: 				break;
me@1936: 			case 'huge':
me@1936: 				textArea.cols = "50";
me@1936: 				textArea.rows = "10";
me@1936: 				break;
me@1936: 			}
me@1936:             if (node.response == undefined) {
me@1936:                 node.response = "";
me@1936:             } else {
me@1936:                 textArea.value = node.response;
me@1936:             }
me@1936: 			this.popupResponse.appendChild(textArea);
me@1936: 			textArea.focus();
me@1936:             this.popupResponse.style.textAlign="center";
me@1936:             this.popupResponse.style.left="0%";
me@1936: 		} else if (node.specification.type == 'checkbox') {
me@1936:             if (node.response == undefined) {
me@1936:                 node.response = Array(node.specification.options.length);
me@1936:             }
me@1936:             var index = 0;
me@1936:             var max_w = 0;
me@1936: 			for (var option of node.specification.options) {
me@1936: 				var input = document.createElement('input');
me@1936: 				input.id = option.name;
me@1936: 				input.type = 'checkbox';
me@1936: 				var span = document.createElement('span');
me@1936: 				span.textContent = option.text;
me@1936: 				var hold = document.createElement('div');
me@1936: 				hold.setAttribute('name','option');
me@1936: 				hold.style.padding = '4px';
me@1936: 				hold.appendChild(input);
me@1936: 				hold.appendChild(span);
me@1936: 				this.popupResponse.appendChild(hold);
me@1936:                 if (node.response[index] != undefined){
me@1936:                     if (node.response[index].checked == true) {
me@1936:                         input.checked = "true";
me@1936:                     }
me@1936:                 }
me@1936:                 var w = $(span).width();
me@1936:                 if (w > max_w)
me@1936:                     max_w = w;
me@1936:                 index++;
me@1936: 			}
me@1936:             max_w += 12;
me@1936:             this.popupResponse.style.textAlign="";
me@1936:             var leftP = ((max_w/500)/2)*100;
me@1936:             this.popupResponse.style.left=leftP+"%";
me@1936: 		} else if (node.specification.type == 'radio') {
me@1936:             if (node.response == undefined) {
me@1936:                 node.response = {name: "", text: ""};
me@1936:             }
me@1936:             var index = 0;
me@1936:             var max_w = 0;
me@1936: 			for (var option of node.specification.options) {
me@1936: 				var input = document.createElement('input');
me@1936: 				input.id = option.name;
me@1936: 				input.type = 'radio';
me@1936: 				input.name = node.specification.id;
me@1936: 				var span = document.createElement('span');
me@1936: 				span.textContent = option.text;
me@1936: 				var hold = document.createElement('div');
me@1936: 				hold.setAttribute('name','option');
me@1936: 				hold.style.padding = '4px';
me@1936: 				hold.appendChild(input);
me@1936: 				hold.appendChild(span);
me@1936: 				this.popupResponse.appendChild(hold);
me@1936:                 if (input.id == node.response.name) {
me@1936:                     input.checked = "true";
me@1936:                 }
me@1936:                 var w = $(span).width();
me@1936:                 if (w > max_w)
me@1936:                     max_w = w;
me@1936: 			}
me@1936:             max_w += 12;
me@1936:             this.popupResponse.style.textAlign="";
me@1936:             var leftP = ((max_w/500)/2)*100;
me@1936:             this.popupResponse.style.left=leftP+"%";
me@1936: 		} else if (node.specification.type == 'number') {
me@1936: 			var input = document.createElement('input');
me@1936: 			input.type = 'textarea';
me@1936: 			if (node.min != null) {input.min = node.specification.min;}
me@1936: 			if (node.max != null) {input.max = node.specification.max;}
me@1936: 			if (node.step != null) {input.step = node.specification.step;}
me@1936:             if (node.response != undefined) {
me@1936:                 input.value = node.response;
me@1936:             }
me@1936: 			this.popupResponse.appendChild(input);
me@1936:             this.popupResponse.style.textAlign="center";
me@1936:             this.popupResponse.style.left="0%";
me@1936: 		}
me@1936: 		if(this.currentIndex+1 == this.popupOptions.length) {
me@1936: 			if (this.node.location == "pre") {
me@1936: 				this.buttonProceed.textContent = 'Start';
me@1936: 			} else {
me@1936: 				this.buttonProceed.textContent = 'Submit';
me@1936: 			}
me@1936: 		} else {
me@1936: 			this.buttonProceed.textContent = 'Next';
me@1936: 		}
me@1936: 		if(this.currentIndex > 0)
me@1936: 			this.buttonPrevious.style.visibility = 'visible';
me@1936: 		else
me@1936: 			this.buttonPrevious.style.visibility = 'hidden';
me@1936: 	};
me@1936: 	
me@1936: 	this.initState = function(node,store) {
me@1936: 		//Call this with your preTest and postTest nodes when needed to
me@1936: 		// initialise the popup procedure.
me@1936: 		if (node.options.length > 0) {
me@1936: 			this.popupOptions = [];
me@1936: 			this.node = node;
me@1936: 			this.store = store;
me@1936: 			for (var opt of node.options)
me@1936: 			{
me@1936: 				this.popupOptions.push({
me@1936: 					specification: opt,
me@1936: 					response: null
me@1936: 				});
me@1936: 			}			
me@1936: 			this.currentIndex = 0;
me@1936: 			this.showPopup();
me@1936: 			this.postNode();
me@1936: 		} else {
me@1936: 			advanceState();
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.proceedClicked = function() {
me@1936: 		// Each time the popup button is clicked!
me@1936: 		var node = this.popupOptions[this.currentIndex];
me@1936: 		if (node.specification.type == 'question') {
me@1936: 			// Must extract the question data
me@1936: 			var textArea = $(popup.popupContent).find('textarea')[0];
me@1936: 			if (node.specification.mandatory == true && textArea.value.length == 0) {
me@1936: 				alert('This question is mandatory');
me@1936: 				return;
me@1936: 			} else {
me@1936: 				// Save the text content
me@1936: 				console.log("Question: "+ node.specification.statement);
me@1936: 				console.log("Question Response: "+ textArea.value);
me@1936: 				node.response = textArea.value;
me@1936: 			}
me@1936: 		} else if (node.specification.type == 'checkbox') {
me@1936: 			// Must extract checkbox data
me@1936: 			console.log("Checkbox: "+ node.specification.statement);
me@1936: 			var inputs = this.popupResponse.getElementsByTagName('input');
me@1936: 			node.response = [];
me@1936: 			for (var i=0; i<node.specification.options.length; i++) {
me@1936: 				node.response.push({
me@1936: 					name: node.specification.options[i].name,
me@1936: 					text: node.specification.options[i].text,
me@1936: 					checked: inputs[i].checked
me@1936: 				});
me@1936: 				console.log(node.specification.options[i].name+": "+ inputs[i].checked);
me@1936: 			}
me@1936: 		} else if (node.specification.type == "radio") {
me@1936: 			var optHold = this.popupResponse;
me@1936: 			console.log("Radio: "+ node.specification.statement);
me@1936: 			node.response = null;
me@1936: 			var i=0;
me@1936: 			var inputs = optHold.getElementsByTagName('input');
me@1936: 			while(node.response == null) {
me@1936: 				if (i == inputs.length)
me@1936: 				{
me@1936: 					if (node.specification.mandatory == true)
me@1936: 					{
me@1936: 						alert("This radio is mandatory");
me@1936: 					} else {
me@1936: 						node.response = -1;
me@1936: 					}
me@1936: 					return;
me@1936: 				}
me@1936: 				if (inputs[i].checked == true) {
me@1936: 					node.response = node.specification.options[i];
me@1936: 					console.log("Selected: "+ node.specification.options[i].name);
me@1936: 				}
me@1936: 				i++;
me@1936: 			}
me@1936: 		} else if (node.specification.type == "number") {
me@1936: 			var input = this.popupContent.getElementsByTagName('input')[0];
me@1936: 			if (node.mandatory == true && input.value.length == 0) {
me@1936: 				alert('This question is mandatory. Please enter a number');
me@1936: 				return;
me@1936: 			}
me@1936: 			var enteredNumber = Number(input.value);
me@1936: 			if (isNaN(enteredNumber)) {
me@1936: 				alert('Please enter a valid number');
me@1936: 				return;
me@1936: 			}
me@1936: 			if (enteredNumber < node.min && node.min != null) {
me@1936: 				alert('Number is below the minimum value of '+node.min);
me@1936: 				return;
me@1936: 			}
me@1936: 			if (enteredNumber > node.max && node.max != null) {
me@1936: 				alert('Number is above the maximum value of '+node.max);
me@1936: 				return;
me@1936: 			}
me@1936: 			node.response = input.value;
me@1936: 		}
me@1936: 		this.currentIndex++;
me@1936: 		if (this.currentIndex < this.popupOptions.length) {
me@1936: 			this.postNode();
me@1936: 		} else {
me@1936: 			// Reached the end of the popupOptions
me@1936: 			this.hidePopup();
me@1936: 			for (var node of this.popupOptions)
me@1936: 			{
me@1936: 				this.store.postResult(node);
me@1936: 			}
me@1936: 			advanceState();
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.previousClick = function() {
me@1936: 		// Triggered when the 'Back' button is clicked in the survey
me@1936: 		if (this.currentIndex > 0) {
me@1936: 			this.currentIndex--;
me@1936: 			this.postNode();
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.resize = function(event)
me@1936: 	{
me@1936: 		// Called on window resize;
me@1936: 		if (this.popup != null) {
me@1936: 			this.popup.style.left = (window.innerWidth/2)-250 + 'px';
me@1936: 			this.popup.style.top = (window.innerHeight/2)-125 + 'px';
me@1936: 			var blank = document.getElementsByClassName('testHalt')[0];
me@1936: 			blank.style.width = window.innerWidth;
me@1936: 			blank.style.height = window.innerHeight;
me@1936: 		}
me@1936: 	};
nickjillings@1939:     this.hideNextButton = function() {
nickjillings@1939:         this.buttonProceed.style.visibility = "hidden";
nickjillings@1939:     }
nickjillings@1939:     this.hidePreviousButton = function() {
nickjillings@1939:         this.buttonPrevious.style.visibility = "hidden";
nickjillings@1939:     }
nickjillings@1939:     this.showNextButton = function() {
nickjillings@1939:         this.buttonProceed.style.visibility = "visible";
nickjillings@1939:     }
nickjillings@1939:     this.showPreviousButton = function() {
nickjillings@1939:         this.buttonPrevious.style.visibility = "visible";
nickjillings@1939:     }
me@1936: }
me@1936: 
me@1936: function advanceState()
me@1936: {
me@1936: 	// Just for complete clarity
me@1936: 	testState.advanceState();
me@1936: }
me@1936: 
me@1936: function stateMachine()
me@1936: {
me@1936: 	// Object prototype for tracking and managing the test state
me@1936: 	this.stateMap = [];
me@1936: 	this.preTestSurvey = null;
me@1936: 	this.postTestSurvey = null;
me@1936: 	this.stateIndex = null;
me@1936: 	this.currentStateMap = null;
me@1936: 	this.currentStatePosition = null;
me@1936:     this.currentStore = null;
me@1936: 	this.initialise = function(){
me@1936: 		
me@1936: 		// Get the data from Specification
me@1936: 		var pageHolder = [];
me@1936: 		for (var page of specification.pages)
me@1936: 		{
me@1936:             var repeat = page.repeatCount;
me@1936:             while(repeat >= 0)
me@1936:             {
me@1936:                 pageHolder.push(page);
me@1936:                 repeat--;
me@1936:             }
me@1936: 		}
me@1936: 		if (specification.randomiseOrder)
me@1936: 		{
me@1936: 			pageHolder = randomiseOrder(pageHolder);
me@1936: 		}
me@1936: 		for (var i=0; i<pageHolder.length; i++)
me@1936: 		{
me@1936: 			pageHolder[i].presentedId = i;
me@1936: 		}
me@1936: 		for (var i=0; i<specification.pages.length; i++)
me@1936: 		{
nickjillings@1939: 			if (specification.testPages <= i && specification.testPages != 0) {break;}
me@1936: 			this.stateMap.push(pageHolder[i]);
me@1936: 		}
nickjillings@1939:         
me@1936: 		if (specification.preTest != null) {this.preTestSurvey = specification.preTest;}
me@1936: 		if (specification.postTest != null) {this.postTestSurvey = specification.postTest;}
me@1936: 		
me@1936: 		if (this.stateMap.length > 0) {
me@1936: 			if(this.stateIndex != null) {
me@1936: 				console.log('NOTE - State already initialise');
me@1936: 			}
me@1936: 			this.stateIndex = -1;
me@1936: 		} else {
me@1936: 			console.log('FATAL - StateMap not correctly constructed. EMPTY_STATE_MAP');
me@1936: 		}
me@1936: 	};
me@1936: 	this.advanceState = function(){
me@1936: 		if (this.stateIndex == null) {
me@1936: 			this.initialise();
me@1936: 		}
me@1936: 		if (this.stateIndex == -1) {
me@1936: 			this.stateIndex++;
me@1936: 			console.log('Starting test...');
me@1936: 			if (this.preTestSurvey != null)
me@1936: 			{
me@1936: 				popup.initState(this.preTestSurvey,storage.globalPreTest);
me@1936: 			} else {
me@1936: 				this.advanceState();
me@1936: 			}
me@1936: 		} else if (this.stateIndex == this.stateMap.length)
me@1936: 		{
me@1936: 			// All test pages complete, post test
me@1936: 			console.log('Ending test ...');
me@1936: 			this.stateIndex++;
me@1936: 			if (this.postTestSurvey == null) {
me@1936: 				this.advanceState();
me@1936: 			} else {
me@1936: 				popup.initState(this.postTestSurvey,storage.globalPostTest);
me@1936: 			}
me@1936: 		} else if (this.stateIndex > this.stateMap.length)
me@1936: 		{
me@1936: 			createProjectSave(specification.projectReturn);
me@1936: 		}
me@1936: 		else
me@1936: 		{
me@1936: 			if (this.currentStateMap == null)
me@1936: 			{
me@1936: 				this.currentStateMap = this.stateMap[this.stateIndex];
me@1936: 				if (this.currentStateMap.randomiseOrder)
me@1936: 				{
me@1936: 					this.currentStateMap.audioElements = randomiseOrder(this.currentStateMap.audioElements);
me@1936: 				}
me@1936:                 this.currentStore = storage.createTestPageStore(this.currentStateMap);
me@1936: 				if (this.currentStateMap.preTest != null)
me@1936: 				{
me@1936: 					this.currentStatePosition = 'pre';
me@1936: 					popup.initState(this.currentStateMap.preTest,storage.testPages[this.stateIndex].preTest);
me@1936: 				} else {
me@1936: 					this.currentStatePosition = 'test';
me@1936: 				}
me@1936: 				interfaceContext.newPage(this.currentStateMap,storage.testPages[this.stateIndex]);
me@1936: 				return;
me@1936: 			}
me@1936: 			switch(this.currentStatePosition)
me@1936: 			{
me@1936: 			case 'pre':
me@1936: 				this.currentStatePosition = 'test';
me@1936: 				break;
me@1936: 			case 'test':
me@1936: 				this.currentStatePosition = 'post';
me@1936: 				// Save the data
me@1936: 				this.testPageCompleted();
me@1936: 				if (this.currentStateMap.postTest == null)
me@1936: 				{
me@1936: 					this.advanceState();
me@1936: 					return;
me@1936: 				} else {
me@1936: 					popup.initState(this.currentStateMap.postTest,storage.testPages[this.stateIndex].postTest);
me@1936: 				}
me@1936: 				break;
me@1936: 			case 'post':
me@1936: 				this.stateIndex++;
me@1936: 				this.currentStateMap = null;
me@1936: 				this.advanceState();
me@1936: 				break;
me@1936: 			};
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.testPageCompleted = function() {
me@1936: 		// Function called each time a test page has been completed
me@1936: 		var storePoint = storage.testPages[this.stateIndex];
me@1936: 		// First get the test metric
me@1936: 		
me@1936: 		var metric = storePoint.XMLDOM.getElementsByTagName('metric')[0];
me@1936: 		if (audioEngineContext.metric.enableTestTimer)
me@1936: 		{
me@1936: 			var testTime = storePoint.parent.document.createElement('metricresult');
me@1936: 			testTime.id = 'testTime';
me@1936: 			testTime.textContent = audioEngineContext.timer.testDuration;
me@1936: 			metric.appendChild(testTime);
me@1936: 		}
me@1936: 		
me@1936: 		var audioObjects = audioEngineContext.audioObjects;
me@1936: 		for (var ao of audioEngineContext.audioObjects) 
me@1936: 		{
me@1936: 			ao.exportXMLDOM();
me@1936: 		}
me@1936: 		for (var element of interfaceContext.commentQuestions)
me@1936: 		{
me@1936: 			element.exportXMLDOM(storePoint);
me@1936: 		}
me@1936: 		pageXMLSave(storePoint.XMLDOM, this.currentStateMap);
me@1936: 	};
me@1936: }
me@1936: 
me@1936: function AudioEngine(specification) {
me@1936: 	
me@1936: 	// Create two output paths, the main outputGain and fooGain.
me@1936: 	// Output gain is default to 1 and any items for playback route here
me@1936: 	// Foo gain is used for analysis to ensure paths get processed, but are not heard
me@1936: 	// because web audio will optimise and any route which does not go to the destination gets ignored.
me@1936: 	this.outputGain = audioContext.createGain();
me@1936: 	this.fooGain = audioContext.createGain();
me@1936: 	this.fooGain.gain = 0;
me@1936: 	
me@1936: 	// Use this to detect playback state: 0 - stopped, 1 - playing
me@1936: 	this.status = 0;
me@1936: 	
me@1936: 	// Connect both gains to output
me@1936: 	this.outputGain.connect(audioContext.destination);
me@1936: 	this.fooGain.connect(audioContext.destination);
me@1936: 	
me@1936: 	// Create the timer Object
me@1936: 	this.timer = new timer();
me@1936: 	// Create session metrics
me@1936: 	this.metric = new sessionMetrics(this,specification);
me@1936: 	
me@1936: 	this.loopPlayback = false;
me@1936: 	
me@1936: 	this.pageStore = null;
me@1936: 	
me@1936: 	// Create store for new audioObjects
me@1936: 	this.audioObjects = [];
me@1936: 	
me@1936: 	this.buffers = [];
me@1936: 	this.bufferObj = function()
me@1936: 	{
me@1936: 		this.url = null;
me@1936: 		this.buffer = null;
me@1936: 		this.xmlRequest = new XMLHttpRequest();
me@1936: 		this.xmlRequest.parent = this;
me@1936: 		this.users = [];
me@1936:         this.progress = 0;
me@1936:         this.status = 0;
me@1936: 		this.ready = function()
me@1936: 		{
me@1936:             if (this.status >= 2)
me@1936:             {
me@1936:                 this.status = 3;
me@1936:             }
me@1936: 			for (var i=0; i<this.users.length; i++)
me@1936: 			{
me@1936: 				this.users[i].state = 1;
me@1936: 				if (this.users[i].interfaceDOM != null)
me@1936: 				{
me@1936: 					this.users[i].bufferLoaded(this);
me@1936: 				}
me@1936: 			}
me@1936: 		};
me@1936: 		this.getMedia = function(url) {
me@1936: 			this.url = url;
me@1936: 			this.xmlRequest.open('GET',this.url,true);
me@1936: 			this.xmlRequest.responseType = 'arraybuffer';
me@1936: 			
me@1936: 			var bufferObj = this;
me@1936: 			
me@1936: 			// Create callback to decode the data asynchronously
me@1936: 			this.xmlRequest.onloadend = function() {
me@1936:                 // Use inbuilt WAVE decoder first
nickjillings@1939:                 if (this.status == -1) {return;}
me@1936:                 var waveObj = new WAVE();
me@1936:                 if (waveObj.open(bufferObj.xmlRequest.response) == 0)
me@1936:                 {
me@1936:                     bufferObj.buffer = audioContext.createBuffer(waveObj.num_channels,waveObj.num_samples,waveObj.sample_rate);
me@1936:                     for (var c=0; c<waveObj.num_channels; c++)
me@1936:                     {
me@1936:                         var buffer_ptr = bufferObj.buffer.getChannelData(c);
me@1936:                         for (var n=0; n<waveObj.num_samples; n++)
me@1936:                         {
me@1936:                             buffer_ptr[n] = waveObj.decoded_data[c][n];
me@1936:                         }
me@1936:                     }
me@1936:                     
me@1936:                     delete waveObj;
me@1936:                 } else {
me@1936:                     audioContext.decodeAudioData(bufferObj.xmlRequest.response, function(decodedData) {
me@1936:                         bufferObj.buffer = decodedData;
me@1936:                     }, function(e){
me@1936:                         // Should only be called if there was an error, but sometimes gets called continuously
me@1936:                         // Check here if the error is genuine
me@1936:                         if (bufferObj.xmlRequest.response == undefined) {
me@1936:                             // Genuine error
me@1936:                             console.log('FATAL - Error loading buffer on '+audioObj.id);
me@1936:                             if (request.status == 404)
me@1936:                             {
me@1936:                                 console.log('FATAL - Fragment '+audioObj.id+' 404 error');
me@1936:                                 console.log('URL: '+audioObj.url);
me@1936:                                 errorSessionDump('Fragment '+audioObj.id+' 404 error');
me@1936:                             }
nickjillings@1939:                             this.parent.status = -1;
me@1936:                         }
me@1936:                     });
me@1936:                 }
me@1936:                 if (bufferObj.buffer != undefined)
me@1936:                 {
me@1936:                     bufferObj.status = 2;
me@1936:                     calculateLoudness(bufferObj,"I");
me@1936:                 }
me@1936: 			};
nickjillings@1939:             
nickjillings@1939:             // Create callback for any error in loading
nickjillings@1939:             this.xmlRequest.onerror = function() {
nickjillings@1939:                 this.parent.status = -1;
nickjillings@1939:                 for (var i=0; i<this.parent.users.length; i++)
nickjillings@1939:                 {
nickjillings@1939:                     this.parent.users[i].state = -1;
nickjillings@1939:                     if (this.parent.users[i].interfaceDOM != null)
nickjillings@1939:                     {
nickjillings@1939:                         this.parent.users[i].bufferLoaded(this);
nickjillings@1939:                     }
nickjillings@1939:                 }
nickjillings@1939:             }
nickjillings@1939:             
me@1936: 			this.progress = 0;
me@1936: 			this.progressCallback = function(event){
me@1936: 				if (event.lengthComputable)
me@1936: 				{
me@1936: 					this.parent.progress = event.loaded / event.total;
me@1936: 					for (var i=0; i<this.parent.users.length; i++)
me@1936: 					{
me@1936: 						if(this.parent.users[i].interfaceDOM != null)
me@1936: 						{
me@1936: 							if (typeof this.parent.users[i].interfaceDOM.updateLoading === "function")
me@1936: 							{
me@1936: 								this.parent.users[i].interfaceDOM.updateLoading(this.parent.progress*100);
me@1936: 							}
me@1936: 						}
me@1936: 					}
me@1936: 				}
me@1936: 			};
me@1936: 			this.xmlRequest.addEventListener("progress", this.progressCallback);
me@1936:             this.status = 1;
me@1936: 			this.xmlRequest.send();
me@1936: 		};
me@1936:         
me@1936:         this.registerAudioObject = function(audioObject)
me@1936:         {
me@1936:             // Called by an audioObject to register to the buffer for use
me@1936:             // First check if already in the register pool
me@1936:             for (var objects of this.users)
me@1936:             {
me@1936:                 if (audioObject.id == objects.id){return 0;}
me@1936:             }
me@1936:             this.users.push(audioObject);
nickjillings@1939:             if (this.status == 3 || this.status == -1)
me@1936:             {
me@1936:                 // The buffer is already ready, trigger bufferLoaded
me@1936:                 audioObject.bufferLoaded(this);
me@1936:             }
me@1936:         }
me@1936: 	};
me@1936: 	
me@1936: 	this.play = function(id) {
me@1936: 		// Start the timer and set the audioEngine state to playing (1)
me@1936: 		if (this.status == 0 && this.loopPlayback) {
me@1936: 			// Check if all audioObjects are ready
me@1936: 			if(this.checkAllReady())
me@1936: 			{
me@1936: 				this.status = 1;
me@1936: 				this.setSynchronousLoop();
me@1936: 			}
me@1936: 		}
me@1936: 		else
me@1936: 		{
me@1936: 			this.status = 1;
me@1936: 		}
me@1936: 		if (this.status== 1) {
me@1936: 			this.timer.startTest();
me@1936: 			if (id == undefined) {
me@1936: 				id = -1;
me@1936: 				console.log('FATAL - Passed id was undefined - AudioEngineContext.play(id)');
me@1936: 				return;
me@1936: 			} else {
me@1936: 				interfaceContext.playhead.setTimePerPixel(this.audioObjects[id]);
me@1936: 			}
me@1936: 			if (this.loopPlayback) {
me@1936:                 var setTime = audioContext.currentTime;
me@1936: 				for (var i=0; i<this.audioObjects.length; i++)
me@1936: 				{
me@1936: 					this.audioObjects[i].play(setTime);
me@1936: 					if (id == i) {
me@1936: 						this.audioObjects[i].loopStart(setTime);
me@1936: 					} else {
me@1936: 						this.audioObjects[i].loopStop(setTime);
me@1936: 					}
me@1936: 				}
me@1936: 			} else {
me@1936:                 var setTime = audioContext.currentTime+0.1;
me@1936: 				for (var i=0; i<this.audioObjects.length; i++)
me@1936: 				{
me@1936: 					if (i != id) {
me@1936: 						this.audioObjects[i].stop(setTime);
me@1936: 					} else if (i == id) {
me@1936: 						this.audioObjects[id].play(setTime);
me@1936: 					}
me@1936: 				}
me@1936: 			}
me@1936: 			interfaceContext.playhead.start();
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.stop = function() {
me@1936: 		// Send stop and reset command to all playback buffers
me@1936: 		if (this.status == 1) {
me@1936:             var setTime = audioContext.currentTime+0.1;
me@1936: 			for (var i=0; i<this.audioObjects.length; i++)
me@1936: 			{
me@1936: 				this.audioObjects[i].stop(setTime);
me@1936: 			}
me@1936: 			interfaceContext.playhead.stop();
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.newTrack = function(element) {
me@1936: 		// Pull data from given URL into new audio buffer
me@1936: 		// URLs must either be from the same source OR be setup to 'Access-Control-Allow-Origin'
me@1936: 		
me@1936: 		// Create the audioObject with ID of the new track length;
me@1936: 		audioObjectId = this.audioObjects.length;
me@1936: 		this.audioObjects[audioObjectId] = new audioObject(audioObjectId);
me@1936: 
me@1936: 		// Check if audioObject buffer is currently stored by full URL
me@1936: 		var URL = testState.currentStateMap.hostURL + element.url;
me@1936: 		var buffer = null;
me@1936: 		for (var i=0; i<this.buffers.length; i++)
me@1936: 		{
me@1936: 			if (URL == this.buffers[i].url)
me@1936: 			{
me@1936: 				buffer = this.buffers[i];
me@1936: 				break;
me@1936: 			}
me@1936: 		}
me@1936: 		if (buffer == null)
me@1936: 		{
me@1936: 			console.log("[WARN]: Buffer was not loaded in pre-test! "+URL);
me@1936: 			buffer = new this.bufferObj();
me@1936:             this.buffers.push(buffer);
me@1936: 			buffer.getMedia(URL);
me@1936: 		}
me@1936: 		this.audioObjects[audioObjectId].specification = element;
me@1936: 		this.audioObjects[audioObjectId].url = URL;
me@1936: 		// Obtain store node
me@1936: 		var aeNodes = this.pageStore.XMLDOM.getElementsByTagName('audioelement');
me@1936: 		for (var i=0; i<aeNodes.length; i++)
me@1936: 		{
me@1936: 			if(aeNodes[i].id == element.id)
me@1936: 			{
me@1936: 				this.audioObjects[audioObjectId].storeDOM = aeNodes[i];
me@1936: 				break;
me@1936: 			}
me@1936: 		}
me@1936:         buffer.registerAudioObject(this.audioObjects[audioObjectId]);
me@1936: 		return this.audioObjects[audioObjectId];
me@1936: 	};
me@1936: 	
me@1936: 	this.newTestPage = function(audioHolderObject,store) {
me@1936: 		this.pageStore = store;
nickjillings@1939: 		this.status = 0;
me@1936: 		this.audioObjectsReady = false;
me@1936: 		this.metric.reset();
me@1936: 		for (var i=0; i < this.buffers.length; i++)
me@1936: 		{
me@1936: 			this.buffers[i].users = [];
me@1936: 		}
me@1936: 		this.audioObjects = [];
me@1936:         this.timer = new timer();
me@1936:         this.loopPlayback = audioHolderObject.loop;
me@1936: 	};
me@1936: 	
me@1936: 	this.checkAllPlayed = function() {
me@1936: 		arr = [];
me@1936: 		for (var id=0; id<this.audioObjects.length; id++) {
me@1936: 			if (this.audioObjects[id].metric.wasListenedTo == false) {
me@1936: 				arr.push(this.audioObjects[id].id);
me@1936: 			}
me@1936: 		}
me@1936: 		return arr;
me@1936: 	};
me@1936: 	
me@1936: 	this.checkAllReady = function() {
me@1936: 		var ready = true;
me@1936: 		for (var i=0; i<this.audioObjects.length; i++) {
me@1936: 			if (this.audioObjects[i].state == 0) {
me@1936: 				// Track not ready
me@1936: 				console.log('WAIT -- audioObject '+i+' not ready yet!');
me@1936: 				ready = false;
me@1936: 			};
me@1936: 		}
me@1936: 		return ready;
me@1936: 	};
me@1936: 	
me@1936: 	this.setSynchronousLoop = function() {
me@1936: 		// Pads the signals so they are all exactly the same length
me@1936: 		var length = 0;
me@1936: 		var maxId;
me@1936: 		for (var i=0; i<this.audioObjects.length; i++)
me@1936: 		{
me@1936: 			if (length < this.audioObjects[i].buffer.buffer.length)
me@1936: 			{
me@1936: 				length = this.audioObjects[i].buffer.buffer.length;
me@1936: 				maxId = i;
me@1936: 			}
me@1936: 		}
me@1936: 		// Extract the audio and zero-pad
me@1936: 		for (var i=0; i<this.audioObjects.length; i++)
me@1936: 		{
me@1936: 			var orig = this.audioObjects[i].buffer.buffer;
me@1936: 			var hold = audioContext.createBuffer(orig.numberOfChannels,length,orig.sampleRate);
me@1936: 			for (var c=0; c<orig.numberOfChannels; c++)
me@1936: 			{
me@1936: 				var inData = hold.getChannelData(c);
me@1936: 				var outData = orig.getChannelData(c);
me@1936: 				for (var n=0; n<orig.length; n++)
me@1936: 				{inData[n] = outData[n];}
me@1936: 			}
me@1936: 			hold.playbackGain = orig.playbackGain;
me@1936: 			hold.lufs = orig.lufs;
me@1936: 			this.audioObjects[i].buffer.buffer = hold;
me@1936: 		}
me@1936: 	};
me@1936:     
me@1936:     this.exportXML = function()
me@1936:     {
me@1936:         
me@1936:     };
me@1936: 	
me@1936: }
me@1936: 
me@1936: function audioObject(id) {
me@1936: 	// The main buffer object with common control nodes to the AudioEngine
me@1936: 	
me@1936: 	this.specification;
me@1936: 	this.id = id;
me@1936: 	this.state = 0; // 0 - no data, 1 - ready
me@1936: 	this.url = null; // Hold the URL given for the output back to the results.
me@1936: 	this.metric = new metricTracker(this);
me@1936: 	this.storeDOM = null;
me@1936: 	
me@1936: 	// Bindings for GUI
me@1936: 	this.interfaceDOM = null;
me@1936: 	this.commentDOM = null;
me@1936: 	
me@1936: 	// Create a buffer and external gain control to allow internal patching of effects and volume leveling.
me@1936: 	this.bufferNode = undefined;
me@1936: 	this.outputGain = audioContext.createGain();
me@1936: 	
me@1936: 	this.onplayGain = 1.0;
me@1936: 	
me@1936: 	// Connect buffer to the audio graph
me@1936: 	this.outputGain.connect(audioEngineContext.outputGain);
me@1936: 	
me@1936: 	// the audiobuffer is not designed for multi-start playback
me@1936: 	// When stopeed, the buffer node is deleted and recreated with the stored buffer.
me@1936: 	this.buffer;
me@1936: 	
me@1936: 	this.bufferLoaded = function(callee)
me@1936: 	{
me@1936: 		// Called by the associated buffer when it has finished loading, will then 'bind' the buffer to the
me@1936: 		// audioObject and trigger the interfaceDOM.enable() function for user feedback
nickjillings@1939:         if (callee.status == -1) {
nickjillings@1939:             // ERROR
nickjillings@1939:             this.state = -1;
nickjillings@1939:             if (this.interfaceDOM != null) {this.interfaceDOM.error();}
nickjillings@1939:             this.buffer = callee;
nickjillings@1939:             return;
nickjillings@1939:         }
me@1936: 		if (audioEngineContext.loopPlayback){
me@1936: 			// First copy the buffer into this.buffer
me@1936: 			this.buffer = new audioEngineContext.bufferObj();
me@1936: 			this.buffer.url = callee.url;
me@1936: 			this.buffer.buffer = audioContext.createBuffer(callee.buffer.numberOfChannels, callee.buffer.length, callee.buffer.sampleRate);
me@1936: 			for (var c=0; c<callee.buffer.numberOfChannels; c++)
me@1936: 			{
me@1936: 				var src = callee.buffer.getChannelData(c);
me@1936: 				var dst = this.buffer.buffer.getChannelData(c);
me@1936: 				for (var n=0; n<src.length; n++)
me@1936: 				{
me@1936: 					dst[n] = src[n];
me@1936: 				}
me@1936: 			}
me@1936: 		} else {
me@1936: 			this.buffer = callee;
me@1936: 		}
me@1936: 		this.state = 1;
me@1936: 		this.buffer.buffer.playbackGain = callee.buffer.playbackGain;
me@1936: 		this.buffer.buffer.lufs = callee.buffer.lufs;
me@1936: 		var targetLUFS = this.specification.parent.loudness || specification.loudness;
me@1936: 		if (typeof targetLUFS === "number")
me@1936: 		{
me@1936: 			this.buffer.buffer.playbackGain = decibelToLinear(targetLUFS - this.buffer.buffer.lufs);
me@1936: 		} else {
me@1936: 			this.buffer.buffer.playbackGain = 1.0;
me@1936: 		}
me@1936: 		if (this.interfaceDOM != null) {
me@1936: 			this.interfaceDOM.enable();
me@1936: 		}
me@1936: 		this.onplayGain = decibelToLinear(this.specification.gain)*this.buffer.buffer.playbackGain;
me@1936: 		this.storeDOM.setAttribute('playGain',linearToDecibel(this.onplayGain));
me@1936: 	};
me@1936: 	
me@1936: 	this.bindInterface = function(interfaceObject)
me@1936: 	{
me@1936: 		this.interfaceDOM = interfaceObject;
me@1936: 		this.metric.initialise(interfaceObject.getValue());
me@1936: 		if (this.state == 1)
me@1936: 		{
me@1936: 			this.interfaceDOM.enable();
nickjillings@1939: 		} else if (this.state == -1) {
nickjillings@1939:             // ERROR
nickjillings@1939:             this.interfaceDOM.error();
nickjillings@1939:             return;
nickjillings@1939:         }
me@1936: 		this.storeDOM.setAttribute('presentedId',interfaceObject.getPresentedId());
me@1936: 	};
me@1936:     
me@1936: 	this.loopStart = function(setTime) {
me@1936: 		this.outputGain.gain.linearRampToValueAtTime(this.onplayGain,setTime);
me@1936: 		this.metric.startListening(audioEngineContext.timer.getTestTime());
me@1936:         this.interfaceDOM.startPlayback();
me@1936: 	};
me@1936: 	
me@1936: 	this.loopStop = function(setTime) {
me@1936: 		if (this.outputGain.gain.value != 0.0) {
me@1936: 			this.outputGain.gain.linearRampToValueAtTime(0.0,setTime);
me@1936: 			this.metric.stopListening(audioEngineContext.timer.getTestTime());
me@1936: 		}
me@1936:         this.interfaceDOM.stopPlayback();
me@1936: 	};
me@1936: 	
me@1936: 	this.play = function(startTime) {
me@1936: 		if (this.bufferNode == undefined && this.buffer.buffer != undefined) {
me@1936: 			this.bufferNode = audioContext.createBufferSource();
me@1936: 			this.bufferNode.owner = this;
me@1936: 			this.bufferNode.connect(this.outputGain);
me@1936: 			this.bufferNode.buffer = this.buffer.buffer;
me@1936: 			this.bufferNode.loop = audioEngineContext.loopPlayback;
me@1936: 			this.bufferNode.onended = function(event) {
me@1936: 				// Safari does not like using 'this' to reference the calling object!
me@1936: 				//event.currentTarget.owner.metric.stopListening(audioEngineContext.timer.getTestTime(),event.currentTarget.owner.getCurrentPosition());
nickjillings@1939:                 if (event.currentTarget != null) {
nickjillings@1939: 				    event.currentTarget.owner.stop(audioContext.currentTime+1);
nickjillings@1939:                 }
me@1936: 			};
me@1936: 			if (this.bufferNode.loop == false) {
me@1936: 				this.metric.startListening(audioEngineContext.timer.getTestTime());
me@1936:                 this.outputGain.gain.setValueAtTime(this.onplayGain,startTime);
me@1936:                 this.interfaceDOM.startPlayback();
me@1936: 			} else {
me@1936:                  this.outputGain.gain.setValueAtTime(0.0,startTime);
me@1936:             }
me@1936: 			this.bufferNode.start(startTime);
nickjillings@1939:             this.bufferNode.playbackStartTime = audioEngineContext.timer.getTestTime();
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.stop = function(stopTime) {
me@1936:         this.outputGain.gain.cancelScheduledValues(audioContext.currentTime);
me@1936: 		if (this.bufferNode != undefined)
me@1936: 		{
me@1936: 			this.metric.stopListening(audioEngineContext.timer.getTestTime(),this.getCurrentPosition());
me@1936: 			this.bufferNode.stop(stopTime);
me@1936: 			this.bufferNode = undefined;
me@1936: 		}
me@1936:         this.outputGain.gain.value = 0.0;
me@1936:         this.interfaceDOM.stopPlayback();
me@1936: 	};
me@1936: 	
me@1936: 	this.getCurrentPosition = function() {
me@1936: 		var time = audioEngineContext.timer.getTestTime();
me@1936: 		if (this.bufferNode != undefined) {
nickjillings@1939:             var position = (time - this.bufferNode.playbackStartTime)%this.buffer.buffer.duration;
nickjillings@1939:             if (isNaN(position)){return 0;}
nickjillings@1939:             return position;
me@1936: 		} else {
me@1936: 			return 0;
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.exportXMLDOM = function() {
me@1936: 		var file = storage.document.createElement('file');
me@1936: 		file.setAttribute('sampleRate',this.buffer.buffer.sampleRate);
me@1936: 		file.setAttribute('channels',this.buffer.buffer.numberOfChannels);
me@1936: 		file.setAttribute('sampleCount',this.buffer.buffer.length);
me@1936: 		file.setAttribute('duration',this.buffer.buffer.duration);
me@1936: 		this.storeDOM.appendChild(file);
me@1936: 		if (this.specification.type != 'outside-reference') {
me@1936: 			var interfaceXML = this.interfaceDOM.exportXMLDOM(this);
me@1936: 			if (interfaceXML != null)
me@1936: 			{
me@1936: 				if (interfaceXML.length == undefined) {
me@1936: 					this.storeDOM.appendChild(interfaceXML);
me@1936: 				} else {
me@1936: 					for (var i=0; i<interfaceXML.length; i++)
me@1936: 					{
me@1936: 						this.storeDOM.appendChild(interfaceXML[i]);
me@1936: 					}
me@1936: 				}
me@1936: 			}
me@1936: 			if (this.commentDOM != null) {
me@1936: 				this.storeDOM.appendChild(this.commentDOM.exportXMLDOM(this));
me@1936: 			}
me@1936: 		}
me@1936: 		var nodes = this.metric.exportXMLDOM();
me@1936: 		var mroot = this.storeDOM.getElementsByTagName('metric')[0];
me@1936: 		for (var i=0; i<nodes.length; i++)
me@1936: 		{
me@1936: 			mroot.appendChild(nodes[i]);
me@1936: 		}
me@1936: 	};
me@1936: }
me@1936: 
me@1936: function timer()
me@1936: {
me@1936: 	/* Timer object used in audioEngine to keep track of session timings
me@1936: 	 * Uses the timer of the web audio API, so sample resolution
me@1936: 	 */
me@1936: 	this.testStarted = false;
me@1936: 	this.testStartTime = 0;
me@1936: 	this.testDuration = 0;
me@1936: 	this.minimumTestTime = 0; // No minimum test time
me@1936: 	this.startTest = function()
me@1936: 	{
me@1936: 		if (this.testStarted == false)
me@1936: 		{
me@1936: 			this.testStartTime = audioContext.currentTime;
me@1936: 			this.testStarted = true;
me@1936: 			this.updateTestTime();
me@1936: 			audioEngineContext.metric.initialiseTest();
me@1936: 		}
me@1936: 	};
me@1936: 	this.stopTest = function()
me@1936: 	{
me@1936: 		if (this.testStarted)
me@1936: 		{
me@1936: 			this.testDuration = this.getTestTime();
me@1936: 			this.testStarted = false;
me@1936: 		} else {
me@1936: 			console.log('ERR: Test tried to end before beginning');
me@1936: 		}
me@1936: 	};
me@1936: 	this.updateTestTime = function()
me@1936: 	{
me@1936: 		if (this.testStarted)
me@1936: 		{
me@1936: 			this.testDuration = audioContext.currentTime - this.testStartTime;
me@1936: 		}
me@1936: 	};
me@1936: 	this.getTestTime = function()
me@1936: 	{
me@1936: 		this.updateTestTime();
me@1936: 		return this.testDuration;
me@1936: 	};
me@1936: }
me@1936: 
me@1936: function sessionMetrics(engine,specification)
me@1936: {
me@1936: 	/* Used by audioEngine to link to audioObjects to minimise the timer call timers;
me@1936: 	 */
me@1936: 	this.engine = engine;
me@1936: 	this.lastClicked = -1;
me@1936: 	this.data = -1;
me@1936: 	this.reset = function() {
me@1936: 		this.lastClicked = -1;
me@1936: 		this.data = -1;
me@1936: 	};
me@1936: 	
me@1936: 	this.enableElementInitialPosition = false;
me@1936: 	this.enableElementListenTracker = false;
me@1936: 	this.enableElementTimer = false;
me@1936: 	this.enableElementTracker = false;
me@1936: 	this.enableFlagListenedTo = false;
me@1936: 	this.enableFlagMoved = false;
me@1936: 	this.enableTestTimer = false;
me@1936: 	// Obtain the metrics enabled
me@1936: 	for (var i=0; i<specification.metrics.enabled.length; i++)
me@1936: 	{
me@1936: 		var node = specification.metrics.enabled[i];
me@1936: 		switch(node)
me@1936: 		{
me@1936: 		case 'testTimer':
me@1936: 			this.enableTestTimer = true;
me@1936: 			break;
me@1936: 		case 'elementTimer':
me@1936: 			this.enableElementTimer = true;
me@1936: 			break;
me@1936: 		case 'elementTracker':
me@1936: 			this.enableElementTracker = true;
me@1936: 			break;
me@1936: 		case 'elementListenTracker':
me@1936: 			this.enableElementListenTracker = true;
me@1936: 			break;
me@1936: 		case 'elementInitialPosition':
me@1936: 			this.enableElementInitialPosition = true;
me@1936: 			break;
me@1936: 		case 'elementFlagListenedTo':
me@1936: 			this.enableFlagListenedTo = true;
me@1936: 			break;
me@1936: 		case 'elementFlagMoved':
me@1936: 			this.enableFlagMoved = true;
me@1936: 			break;
me@1936: 		case 'elementFlagComments':
me@1936: 			this.enableFlagComments = true;
me@1936: 			break;
me@1936: 		}
me@1936: 	}
me@1936: 	this.initialiseTest = function(){};
me@1936: }
me@1936: 
me@1936: function metricTracker(caller)
me@1936: {
me@1936: 	/* Custom object to track and collect metric data
me@1936: 	 * Used only inside the audioObjects object.
me@1936: 	 */
me@1936: 	
me@1936: 	this.listenedTimer = 0;
me@1936: 	this.listenStart = 0;
me@1936: 	this.listenHold = false;
me@1936: 	this.initialPosition = -1;
me@1936: 	this.movementTracker = [];
me@1936: 	this.listenTracker =[];
me@1936: 	this.wasListenedTo = false;
me@1936: 	this.wasMoved = false;
me@1936: 	this.hasComments = false;
me@1936: 	this.parent = caller;
me@1936: 	
me@1936: 	this.initialise = function(position)
me@1936: 	{
me@1936: 		if (this.initialPosition == -1) {
me@1936: 			this.initialPosition = position;
me@1936: 			this.moved(0,position);
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.moved = function(time,position)
me@1936: 	{
me@1936: 		if (time > 0) {this.wasMoved = true;}
me@1936: 		this.movementTracker[this.movementTracker.length] = [time, position];
me@1936: 	};
me@1936: 	
me@1936: 	this.startListening = function(time)
me@1936: 	{
me@1936: 		if (this.listenHold == false)
me@1936: 		{
me@1936: 			this.wasListenedTo = true;
me@1936: 			this.listenStart = time;
me@1936: 			this.listenHold = true;
me@1936: 			
me@1936: 			var evnt = document.createElement('event');
me@1936: 			var testTime = document.createElement('testTime');
me@1936: 			testTime.setAttribute('start',time);
me@1936: 			var bufferTime = document.createElement('bufferTime');
me@1936: 			bufferTime.setAttribute('start',this.parent.getCurrentPosition());
me@1936: 			evnt.appendChild(testTime);
me@1936: 			evnt.appendChild(bufferTime);
me@1936: 			this.listenTracker.push(evnt);
me@1936: 			
me@1936: 			console.log('slider ' + this.parent.id + ' played (' + time + ')'); // DEBUG/SAFETY: show played slider id
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.stopListening = function(time,bufferStopTime)
me@1936: 	{
me@1936: 		if (this.listenHold == true)
me@1936: 		{
me@1936: 			var diff = time - this.listenStart;
me@1936: 			this.listenedTimer += (diff);
me@1936: 			this.listenStart = 0;
me@1936: 			this.listenHold = false;
me@1936: 			
me@1936: 			var evnt = this.listenTracker[this.listenTracker.length-1];
me@1936: 			var testTime = evnt.getElementsByTagName('testTime')[0];
me@1936: 			var bufferTime = evnt.getElementsByTagName('bufferTime')[0];
me@1936: 			testTime.setAttribute('stop',time);
me@1936: 			if (bufferStopTime == undefined) {
me@1936: 				bufferTime.setAttribute('stop',this.parent.getCurrentPosition());
me@1936: 			} else {
me@1936: 				bufferTime.setAttribute('stop',bufferStopTime);
me@1936: 			}
me@1936: 			console.log('slider ' + this.parent.id + ' played for (' + diff + ')'); // DEBUG/SAFETY: show played slider id
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.exportXMLDOM = function() {
me@1936: 		var storeDOM = [];
me@1936: 		if (audioEngineContext.metric.enableElementTimer) {
me@1936: 			var mElementTimer = storage.document.createElement('metricresult');
me@1936: 			mElementTimer.setAttribute('name','enableElementTimer');
me@1936: 			mElementTimer.textContent = this.listenedTimer;
me@1936: 			storeDOM.push(mElementTimer);
me@1936: 		}
me@1936: 		if (audioEngineContext.metric.enableElementTracker) {
me@1936: 			var elementTrackerFull = storage.document.createElement('metricResult');
me@1936: 			elementTrackerFull.setAttribute('name','elementTrackerFull');
me@1936: 			for (var k=0; k<this.movementTracker.length; k++)
me@1936: 			{
nickjillings@1939: 				var timePos = storage.document.createElement('movement');
nickjillings@1939:                 timePos.setAttribute("time",this.movementTracker[k][0]);
nickjillings@1939:                 timePos.setAttribute("value",this.movementTracker[k][1]);
me@1936: 				elementTrackerFull.appendChild(timePos);
me@1936: 			}
me@1936: 			storeDOM.push(elementTrackerFull);
me@1936: 		}
me@1936: 		if (audioEngineContext.metric.enableElementListenTracker) {
me@1936: 			var elementListenTracker = storage.document.createElement('metricResult');
me@1936: 			elementListenTracker.setAttribute('name','elementListenTracker');
me@1936: 			for (var k=0; k<this.listenTracker.length; k++) {
me@1936: 				elementListenTracker.appendChild(this.listenTracker[k]);
me@1936: 			}
me@1936: 			storeDOM.push(elementListenTracker);
me@1936: 		}
me@1936: 		if (audioEngineContext.metric.enableElementInitialPosition) {
me@1936: 			var elementInitial = storage.document.createElement('metricResult');
me@1936: 			elementInitial.setAttribute('name','elementInitialPosition');
me@1936: 			elementInitial.textContent = this.initialPosition;
me@1936: 			storeDOM.push(elementInitial);
me@1936: 		}
me@1936: 		if (audioEngineContext.metric.enableFlagListenedTo) {
me@1936: 			var flagListenedTo = storage.document.createElement('metricResult');
me@1936: 			flagListenedTo.setAttribute('name','elementFlagListenedTo');
me@1936: 			flagListenedTo.textContent = this.wasListenedTo;
me@1936: 			storeDOM.push(flagListenedTo);
me@1936: 		}
me@1936: 		if (audioEngineContext.metric.enableFlagMoved) {
me@1936: 			var flagMoved = storage.document.createElement('metricResult');
me@1936: 			flagMoved.setAttribute('name','elementFlagMoved');
me@1936: 			flagMoved.textContent = this.wasMoved;
me@1936: 			storeDOM.push(flagMoved);
me@1936: 		}
me@1936: 		if (audioEngineContext.metric.enableFlagComments) {
me@1936: 			var flagComments = storage.document.createElement('metricResult');
me@1936: 			flagComments.setAttribute('name','elementFlagComments');
me@1936: 			if (this.parent.commentDOM == null)
me@1936: 				{flag.textContent = 'false';}
me@1936: 			else if (this.parent.commentDOM.textContent.length == 0) 
me@1936: 				{flag.textContent = 'false';}
me@1936: 			else 
me@1936: 				{flag.textContet = 'true';}
me@1936: 			storeDOM.push(flagComments);
me@1936: 		}
me@1936: 		return storeDOM;
me@1936: 	};
me@1936: }
me@1936: 
me@1936: function randomiseOrder(input)
me@1936: {
me@1936: 	// This takes an array of information and randomises the order
me@1936: 	var N = input.length;
me@1936: 	
me@1936: 	var inputSequence = []; // For safety purposes: keep track of randomisation
me@1936: 	for (var counter = 0; counter < N; ++counter) 
me@1936: 		inputSequence.push(counter) // Fill array
me@1936: 	var inputSequenceClone = inputSequence.slice(0);
me@1936: 	
me@1936: 	var holdArr = [];
me@1936: 	var outputSequence = [];
me@1936: 	for (var n=0; n<N; n++)
me@1936: 	{
me@1936: 		// First pick a random number
me@1936: 		var r = Math.random();
me@1936: 		// Multiply and floor by the number of elements left
me@1936: 		r = Math.floor(r*input.length);
me@1936: 		// Pick out that element and delete from the array
me@1936: 		holdArr.push(input.splice(r,1)[0]);
me@1936: 		// Do the same with sequence
me@1936: 		outputSequence.push(inputSequence.splice(r,1)[0]);
me@1936: 	}
me@1936: 	console.log(inputSequenceClone.toString()); // print original array to console
me@1936: 	console.log(outputSequence.toString()); 	// print randomised array to console
me@1936: 	return holdArr;
me@1936: }
me@1936: 
me@1936: function returnDateNode()
me@1936: {
me@1936: 	// Create an XML Node for the Date and Time a test was conducted
me@1936: 	// Structure is
me@1936: 	// <datetime> 
me@1936: 	//	<date year="##" month="##" day="##">DD/MM/YY</date>
me@1936: 	//	<time hour="##" minute="##" sec="##">HH:MM:SS</time>
me@1936: 	// </datetime>
me@1936: 	var dateTime = new Date();
me@1936: 	var year = document.createAttribute('year');
me@1936: 	var month = document.createAttribute('month');
me@1936: 	var day = document.createAttribute('day');
me@1936: 	var hour = document.createAttribute('hour');
me@1936: 	var minute = document.createAttribute('minute');
me@1936: 	var secs = document.createAttribute('secs');
me@1936: 	
me@1936: 	year.nodeValue = dateTime.getFullYear();
me@1936: 	month.nodeValue = dateTime.getMonth()+1;
me@1936: 	day.nodeValue = dateTime.getDate();
me@1936: 	hour.nodeValue = dateTime.getHours();
me@1936: 	minute.nodeValue = dateTime.getMinutes();
me@1936: 	secs.nodeValue = dateTime.getSeconds();
me@1936: 	
me@1936: 	var hold = document.createElement("datetime");
me@1936: 	var date = document.createElement("date");
me@1936: 	date.textContent = year.nodeValue+'/'+month.nodeValue+'/'+day.nodeValue;
me@1936: 	var time = document.createElement("time");
me@1936: 	time.textContent = hour.nodeValue+':'+minute.nodeValue+':'+secs.nodeValue;
me@1936: 	
me@1936: 	date.setAttributeNode(year);
me@1936: 	date.setAttributeNode(month);
me@1936: 	date.setAttributeNode(day);
me@1936: 	time.setAttributeNode(hour);
me@1936: 	time.setAttributeNode(minute);
me@1936: 	time.setAttributeNode(secs);
me@1936: 	
me@1936: 	hold.appendChild(date);
me@1936: 	hold.appendChild(time);
me@1936: 	return hold;
me@1936: 	
me@1936: }
me@1936: 
me@1936: function Specification() {
me@1936: 	// Handles the decoding of the project specification XML into a simple JavaScript Object.
me@1936: 	
me@1936: 	this.interface = null;
me@1936: 	this.projectReturn = "null";
me@1936: 	this.randomiseOrder = null;
me@1936: 	this.testPages = null;
me@1936: 	this.pages = [];
me@1936: 	this.metrics = null;
me@1936: 	this.interfaces = null;
me@1936: 	this.loudness = null;
me@1936: 	this.errors = [];
me@1936: 	this.schema = null;
me@1936: 	
me@1936: 	this.processAttribute = function(attribute,schema)
me@1936: 	{
me@1936: 		// attribute is the string returned from getAttribute on the XML
me@1936: 		// schema is the <xs:attribute> node
me@1936: 		if (schema.getAttribute('name') == undefined && schema.getAttribute('ref') != undefined)
me@1936: 		{
me@1936: 			schema = this.schema.getAllElementsByName(schema.getAttribute('ref'))[0];
me@1936: 		}
me@1936: 		var defaultOpt = schema.getAttribute('default');
me@1936: 		if (attribute == null) {
me@1936: 			attribute = defaultOpt;
me@1936: 		}
me@1936: 		var dataType = schema.getAttribute('type');
me@1936: 		if (typeof dataType == "string") { dataType = dataType.substr(3);}
me@1936: 		else {dataType = "string";}
me@1936: 		if (attribute == null)
me@1936: 		{
me@1936: 			return attribute;
me@1936: 		}
me@1936: 		switch(dataType)
me@1936: 		{
me@1936: 		case "boolean":
me@1936: 			if (attribute == 'true'){attribute = true;}else{attribute=false;}
me@1936: 			break;
me@1936: 		case "negativeInteger":
me@1936: 		case "positiveInteger":
me@1936: 		case "nonNegativeInteger":
me@1936: 		case "nonPositiveInteger":
me@1936: 		case "integer":
me@1936: 		case "decimal":
me@1936: 		case "short":
me@1936: 			attribute = Number(attribute);
me@1936: 			break;
me@1936: 		case "string":
me@1936: 		default:
me@1936: 			attribute = String(attribute);
me@1936: 			break;
me@1936: 		}
me@1936: 		return attribute;
me@1936: 	};
me@1936: 	
me@1936: 	this.decode = function(projectXML) {
me@1936: 		this.errors = [];
me@1936: 		// projectXML - DOM Parsed document
me@1936: 		this.projectXML = projectXML.childNodes[0];
me@1936: 		var setupNode = projectXML.getElementsByTagName('setup')[0];
me@1936: 		var schemaSetup = this.schema.getAllElementsByName('setup')[0];
me@1936: 		// First decode the attributes
me@1936: 		var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
me@1936: 		for (var i in attributes)
me@1936: 		{
me@1936: 			if (isNaN(Number(i)) == true){break;}
me@1936: 			var attributeName = attributes[i].getAttribute('name');
me@1936: 			var projectAttr = setupNode.getAttribute(attributeName);
me@1936: 			projectAttr = this.processAttribute(projectAttr,attributes[i]);
me@1936: 			switch(typeof projectAttr)
me@1936: 			{
me@1936: 			case "number":
me@1936: 			case "boolean":
me@1936: 				eval('this.'+attributeName+' = '+projectAttr);
me@1936: 				break;
me@1936: 			case "string":
me@1936: 				eval('this.'+attributeName+' = "'+projectAttr+'"');
me@1936: 				break;
me@1936: 			}
me@1936: 			
me@1936: 		}
me@1936: 		
me@1936: 		this.metrics = new this.metricNode();
me@1936: 		
me@1936: 		this.metrics.decode(this,setupNode.getElementsByTagName('metric')[0]);
me@1936: 		
me@1936: 		// Now process the survey node options
me@1936: 		var survey = setupNode.getElementsByTagName('survey');
me@1936: 		for (var i in survey) {
me@1936: 			if (isNaN(Number(i)) == true){break;}
me@1936: 			var location = survey[i].getAttribute('location');
me@1936: 			if (location == 'pre' || location == 'before')
me@1936: 			{
me@1936: 				if (this.preTest != null){this.errors.push("Already a pre/before test survey defined! Ignoring second!!");}
me@1936: 				else {
me@1936: 					this.preTest = new this.surveyNode();
me@1936: 					this.preTest.decode(this,survey[i]);
me@1936: 				}
me@1936: 			} else if (location == 'post' || location == 'after') {
me@1936: 				if (this.postTest != null){this.errors.push("Already a post/after test survey defined! Ignoring second!!");}
me@1936: 				else {
me@1936: 					this.postTest = new this.surveyNode();
me@1936: 					this.postTest.decode(this,survey[i]);
me@1936: 				}
me@1936: 			}
me@1936: 		}
me@1936: 		
me@1936: 		var interfaceNode = setupNode.getElementsByTagName('interface');
me@1936: 		if (interfaceNode.length > 1)
me@1936: 		{
me@1936: 			this.errors.push("Only one <interface> node in the <setup> node allowed! Others except first ingnored!");
me@1936: 		}
me@1936: 		this.interfaces = new this.interfaceNode();
me@1936: 		if (interfaceNode.length != 0)
me@1936: 		{
me@1936: 			interfaceNode = interfaceNode[0];
me@1936: 			this.interfaces.decode(this,interfaceNode,this.schema.getAllElementsByName('interface')[1]);
me@1936: 		}
me@1936: 		
me@1936: 		// Page tags
me@1936: 		var pageTags = projectXML.getElementsByTagName('page');
me@1936: 		var pageSchema = this.schema.getAllElementsByName('page')[0];
me@1936: 		for (var i=0; i<pageTags.length; i++)
me@1936: 		{
me@1936: 			var node = new this.page();
me@1936: 			node.decode(this,pageTags[i],pageSchema);
me@1936: 			this.pages.push(node);
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.encode = function()
me@1936: 	{
me@1936: 		var RootDocument = document.implementation.createDocument(null,"waet");
me@1936: 		var root = RootDocument.children[0];
me@1936:         root.setAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance");
me@1936:         root.setAttribute("xsi:noNamespaceSchemaLocation","test-schema.xsd");
me@1936: 		// Build setup node
me@1936:         var setup = RootDocument.createElement("setup");
me@1936:         var schemaSetup = this.schema.getAllElementsByName('setup')[0];
me@1936:         // First decode the attributes
me@1936:         var attributes = schemaSetup.getAllElementsByTagName('xs:attribute');
me@1936:         for (var i=0; i<attributes.length; i++)
me@1936:         {
me@1936:             var name = attributes[i].getAttribute("name");
me@1936:             if (name == undefined) {
me@1936:                 name = attributes[i].getAttribute("ref");
me@1936:             }
me@1936:             if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
me@1936:             {
me@1936:                 eval("setup.setAttribute('"+name+"',this."+name+")");
me@1936:             }
me@1936:         }
me@1936:         root.appendChild(setup);
me@1936:         // Survey node
me@1936:         setup.appendChild(this.preTest.encode(RootDocument));
me@1936:         setup.appendChild(this.postTest.encode(RootDocument));
me@1936:         setup.appendChild(this.metrics.encode(RootDocument));
me@1936:         setup.appendChild(this.interfaces.encode(RootDocument));
me@1936:         for (var page of this.pages)
me@1936:         {
me@1936:             root.appendChild(page.encode(RootDocument));
me@1936:         }
me@1936: 		return RootDocument;
me@1936: 	};
me@1936: 	
me@1936: 	this.surveyNode = function() {
me@1936: 		this.location = null;
me@1936: 		this.options = [];
me@1936: 		this.schema = specification.schema.getAllElementsByName('survey')[0];
me@1936: 		
me@1936: 		this.OptionNode = function() {
me@1936: 			this.type = undefined;
me@1936: 			this.schema = specification.schema.getAllElementsByName('surveyentry')[0];
me@1936: 			this.id = undefined;
me@1936: 			this.mandatory = undefined;
me@1936: 			this.statement = undefined;
me@1936: 			this.boxsize = undefined;
me@1936: 			this.options = [];
me@1936: 			this.min = undefined;
me@1936: 			this.max = undefined;
me@1936: 			this.step = undefined;
me@1936: 			
me@1936: 			this.decode = function(parent,child)
me@1936: 			{
me@1936: 				var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
me@1936: 				for (var i in attributeMap){
me@1936: 					if(isNaN(Number(i)) == true){break;}
me@1936: 					var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
me@1936: 					var projectAttr = child.getAttribute(attributeName);
me@1936: 					projectAttr = parent.processAttribute(projectAttr,attributeMap[i]);
me@1936: 					switch(typeof projectAttr)
me@1936: 					{
me@1936: 					case "number":
me@1936: 					case "boolean":
me@1936: 						eval('this.'+attributeName+' = '+projectAttr);
me@1936: 						break;
me@1936: 					case "string":
me@1936: 						eval('this.'+attributeName+' = "'+projectAttr+'"');
me@1936: 						break;
me@1936: 					}
me@1936: 				}
me@1936: 				this.statement = child.getElementsByTagName('statement')[0].textContent;
me@1936: 				if (this.type == "checkbox" || this.type == "radio") {
me@1936: 					var children = child.getElementsByTagName('option');
me@1936: 					if (children.length == null) {
me@1936: 						console.log('Malformed' +child.nodeName+ 'entry');
me@1936: 						this.statement = 'Malformed' +child.nodeName+ 'entry';
me@1936: 						this.type = 'statement';
me@1936: 					} else {
me@1936: 						this.options = [];
me@1936: 						for (var i in children)
me@1936: 						{
me@1936: 							if (isNaN(Number(i))==true){break;}
me@1936: 							this.options.push({
me@1936: 								name: children[i].getAttribute('name'),
me@1936: 								text: children[i].textContent
me@1936: 							});
me@1936: 						}
me@1936: 					}
me@1936: 				}
me@1936: 			};
me@1936: 			
me@1936: 			this.exportXML = function(doc)
me@1936: 			{
nickjillings@1939: 				var node = doc.createElement('surveyentry');
me@1936: 				node.setAttribute('type',this.type);
me@1936: 				var statement = doc.createElement('statement');
me@1936: 				statement.textContent = this.statement;
me@1936: 				node.appendChild(statement);
me@1936: 				switch(this.type)
me@1936: 				{
me@1936: 				case "statement":
me@1936: 					break;
me@1936: 				case "question":
nickjillings@1939:                     node.id = this.id;
nickjillings@1939:                     if (this.mandatory != undefined) { node.setAttribute("mandatory",this.mandatory);}
nickjillings@1939:                     if (this.boxsize != undefined) {node.setAttribute("boxsize",this.boxsize);}
nickjillings@1939:                     break;
nickjillings@1939:                 case "number":
nickjillings@1939:                     node.id = this.id;
nickjillings@1939:                     if (this.mandatory != undefined) { node.setAttribute("mandatory",this.mandatory);}
nickjillings@1939:                     if (this.min != undefined) {node.setAttribute("min", this.min);}
nickjillings@1939:                     if (this.max != undefined) {node.setAttribute("max", this.max);}
nickjillings@1939:                     break;
me@1936: 				case "checkbox":
me@1936: 				case "radio":
me@1936: 					node.id = this.id;
me@1936: 					for (var i=0; i<this.options.length; i++)
me@1936: 					{
me@1936: 						var option = this.options[i];
me@1936: 						var optionNode = doc.createElement("option");
me@1936: 						optionNode.setAttribute("name",option.name);
me@1936: 						optionNode.textContent = option.text;
me@1936: 						node.appendChild(optionNode);
me@1936: 					}
me@1936: 					break;
me@1936: 				}
me@1936: 				return node;
me@1936: 			};
me@1936: 		};
me@1936: 		this.decode = function(parent,xml) {
me@1936: 			this.location = xml.getAttribute('location');
me@1936: 			if (this.location == 'before'){this.location = 'pre';}
me@1936: 			else if (this.location == 'after'){this.location = 'post';}
me@1936: 			for (var i in xml.children)
me@1936: 			{
me@1936: 				if(isNaN(Number(i))==true){break;}
me@1936: 				var node = new this.OptionNode();
me@1936: 				node.decode(parent,xml.children[i]);
me@1936: 				this.options.push(node);
me@1936: 			}
me@1936: 		};
me@1936: 		this.encode = function(doc) {
me@1936: 			var node = doc.createElement('survey');
me@1936: 			node.setAttribute('location',this.location);
me@1936: 			for (var i=0; i<this.options.length; i++)
me@1936: 			{
me@1936: 				node.appendChild(this.options[i].exportXML(doc));
me@1936: 			}
me@1936: 			return node;
me@1936: 		};
me@1936: 	};
me@1936: 	
me@1936: 	this.interfaceNode = function()
me@1936: 	{
me@1936: 		this.title = null;
me@1936: 		this.name = null;
me@1936: 		this.options = [];
me@1936: 		this.scales = [];
me@1936: 		this.schema = specification.schema.getAllElementsByName('interface')[1];
me@1936: 		
me@1936: 		this.decode = function(parent,xml) {
me@1936: 			this.name = xml.getAttribute('name');
me@1936: 			var titleNode = xml.getElementsByTagName('title');
me@1936: 			if (titleNode.length == 1)
me@1936: 			{
me@1936: 				this.title = titleNode[0].textContent;
me@1936: 			}
me@1936: 			var interfaceOptionNodes = xml.getElementsByTagName('interfaceoption');
me@1936: 			// Extract interfaceoption node schema
me@1936: 			var interfaceOptionNodeSchema = this.schema.getAllElementsByName('interfaceoption')[0];
me@1936: 			var attributeMap = interfaceOptionNodeSchema.getAllElementsByTagName('xs:attribute');
me@1936: 			for (var i=0; i<interfaceOptionNodes.length; i++)
me@1936: 			{
me@1936: 				var ioNode = interfaceOptionNodes[i];
me@1936: 				var option = {};
me@1936: 				for (var j=0; j<attributeMap.length; j++)
me@1936: 				{
me@1936: 					var attributeName = attributeMap[j].getAttribute('name') || attributeMap[j].getAttribute('ref');
me@1936: 					var projectAttr = ioNode.getAttribute(attributeName);
me@1936: 					projectAttr = parent.processAttribute(projectAttr,attributeMap[j]);
me@1936: 					switch(typeof projectAttr)
me@1936: 					{
me@1936: 					case "number":
me@1936: 					case "boolean":
me@1936: 						eval('option.'+attributeName+' = '+projectAttr);
me@1936: 						break;
me@1936: 					case "string":
me@1936: 						eval('option.'+attributeName+' = "'+projectAttr+'"');
me@1936: 						break;
me@1936: 					}
me@1936: 				}
me@1936: 				this.options.push(option);
me@1936: 			}
me@1936: 			
me@1936: 			// Now the scales nodes
me@1936: 			var scaleParent = xml.getElementsByTagName('scales');
me@1936: 			if (scaleParent.length == 1) {
me@1936: 				scaleParent = scaleParent[0];
me@1936: 				for (var i=0; i<scaleParent.children.length; i++) {
me@1936: 					var child = scaleParent.children[i];
me@1936: 					this.scales.push({
me@1936: 						text: child.textContent,
me@1936: 						position: Number(child.getAttribute('position'))
me@1936: 					});
me@1936: 				}
me@1936: 			}
me@1936: 		};
me@1936: 		
me@1936: 		this.encode = function(doc) {
me@1936: 			var node = doc.createElement("interface");
me@1936:             if (typeof name == "string")
me@1936:                 node.setAttribute("name",this.name);
me@1936:             for (var option of this.options)
me@1936:             {
me@1936:                 var child = doc.createElement("interfaceoption");
me@1936:                 child.setAttribute("type",option.type);
me@1936:                 child.setAttribute("name",option.name);
me@1936:                 node.appendChild(child);
me@1936:             }
me@1936:             if (this.scales.length != 0) {
me@1936:                 var scales = doc.createElement("scales");
me@1936:                 for (var scale of this.scales)
me@1936:                 {
me@1936:                     var child = doc.createElement("scalelabel");
me@1936:                     child.setAttribute("position",scale.position);
me@1936:                     child.textContent = scale.text;
me@1936:                     scales.appendChild(child);
me@1936:                 }
me@1936:                 node.appendChild(scales);
me@1936:             }
me@1936:             return node;
me@1936: 		};
me@1936: 	};
me@1936: 	
me@1936:     this.metricNode = function() {
me@1936:         this.enabled = [];
me@1936:         this.decode = function(parent, xml) {
me@1936:             var children = xml.getElementsByTagName('metricenable');
me@1936:             for (var i in children) { 
me@1936:                 if (isNaN(Number(i)) == true){break;}
me@1936:                 this.enabled.push(children[i].textContent);
me@1936:             }
me@1936:         }
me@1936:         this.encode = function(doc) {
me@1936:             var node = doc.createElement('metric');
me@1936:             for (var i in this.enabled)
me@1936:             {
me@1936:                 if (isNaN(Number(i)) == true){break;}
me@1936:                 var child = doc.createElement('metricenable');
me@1936:                 child.textContent = this.enabled[i];
me@1936:                 node.appendChild(child);
me@1936:             }
me@1936:             return node;
me@1936:         }
me@1936:     }
me@1936:     
me@1936: 	this.page = function() {
me@1936: 		this.presentedId = undefined;
me@1936: 		this.id = undefined;
me@1936: 		this.hostURL = undefined;
me@1936: 		this.randomiseOrder = undefined;
me@1936: 		this.loop = undefined;
me@1936: 		this.showElementComments = undefined;
me@1936: 		this.outsideReference = null;
me@1936: 		this.loudness = null;
me@1936: 		this.preTest = null;
me@1936: 		this.postTest = null;
me@1936: 		this.interfaces = [];
me@1936: 		this.commentBoxPrefix = "Comment on track";
me@1936: 		this.audioElements = [];
me@1936: 		this.commentQuestions = [];
me@1936: 		this.schema = specification.schema.getAllElementsByName("page")[0];
me@1936: 		
me@1936: 		this.decode = function(parent,xml)
me@1936: 		{
me@1936: 			var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
me@1936: 			for (var i=0; i<attributeMap.length; i++)
me@1936: 			{
me@1936: 				var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
me@1936: 				var projectAttr = xml.getAttribute(attributeName);
me@1936: 				projectAttr = parent.processAttribute(projectAttr,attributeMap[i]);
me@1936: 				switch(typeof projectAttr)
me@1936: 				{
me@1936: 				case "number":
me@1936: 				case "boolean":
me@1936: 					eval('this.'+attributeName+' = '+projectAttr);
me@1936: 					break;
me@1936: 				case "string":
me@1936: 					eval('this.'+attributeName+' = "'+projectAttr+'"');
me@1936: 					break;
me@1936: 				}
me@1936: 			}
me@1936: 			
me@1936: 			// Get the Comment Box Prefix
me@1936: 			var CBP = xml.getElementsByTagName('commentboxprefix');
me@1936: 			if (CBP.length != 0) {
me@1936: 				this.commentBoxPrefix = CBP[0].textContent;
me@1936: 			}
me@1936: 			
me@1936: 			// Now decode the interfaces
me@1936: 			var interfaceNode = xml.getElementsByTagName('interface');
me@1936: 			for (var i=0; i<interfaceNode.length; i++)
me@1936: 			{
me@1936: 				var node = new parent.interfaceNode();
me@1936: 				node.decode(this,interfaceNode[i],parent.schema.getAllElementsByName('interface')[1]);
me@1936: 				this.interfaces.push(node);
me@1936: 			}
me@1936: 			
me@1936: 			// Now process the survey node options
me@1936: 			var survey = xml.getElementsByTagName('survey');
me@1936: 			var surveySchema = parent.schema.getAllElementsByName('survey')[0];
me@1936: 			for (var i in survey) {
me@1936: 				if (isNaN(Number(i)) == true){break;}
me@1936: 				var location = survey[i].getAttribute('location');
me@1936: 				if (location == 'pre' || location == 'before')
me@1936: 				{
me@1936: 					if (this.preTest != null){this.errors.push("Already a pre/before test survey defined! Ignoring second!!");}
me@1936: 					else {
me@1936: 						this.preTest = new parent.surveyNode();
me@1936: 						this.preTest.decode(parent,survey[i],surveySchema);
me@1936: 					}
me@1936: 				} else if (location == 'post' || location == 'after') {
me@1936: 					if (this.postTest != null){this.errors.push("Already a post/after test survey defined! Ignoring second!!");}
me@1936: 					else {
me@1936: 						this.postTest = new parent.surveyNode();
me@1936: 						this.postTest.decode(parent,survey[i],surveySchema);
me@1936: 					}
me@1936: 				}
me@1936: 			}
me@1936: 			
me@1936: 			// Now process the audioelement tags
me@1936: 			var audioElements = xml.getElementsByTagName('audioelement');
me@1936: 			for (var i=0; i<audioElements.length; i++)
me@1936: 			{
me@1936: 				var node = new this.audioElementNode();
me@1936: 				node.decode(this,audioElements[i]);
me@1936: 				this.audioElements.push(node);
me@1936: 			}
me@1936: 			
me@1936: 			// Now decode the commentquestions
me@1936: 			var commentQuestions = xml.getElementsByTagName('commentquestion');
me@1936: 			for (var i=0; i<commentQuestions.length; i++)
me@1936: 			{
me@1936: 				var node = new this.commentQuestionNode();
me@1936: 				node.decode(parent,commentQuestions[i]);
me@1936: 				this.commentQuestions.push(node);
me@1936: 			}
me@1936: 		};
me@1936: 		
me@1936: 		this.encode = function(root)
me@1936: 		{
me@1936: 			var AHNode = root.createElement("page");
me@1936:             // First decode the attributes
me@1936:             var attributes = this.schema.getAllElementsByTagName('xs:attribute');
me@1936:             for (var i=0; i<attributes.length; i++)
me@1936:             {
me@1936:                 var name = attributes[i].getAttribute("name");
me@1936:                 if (name == undefined) {
me@1936:                     name = attributes[i].getAttribute("ref");
me@1936:                 }
me@1936:                 if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
me@1936:                 {
me@1936:                     eval("AHNode.setAttribute('"+name+"',this."+name+")");
me@1936:                 }
me@1936:             }
me@1936: 			if(this.loudness != null) {AHNode.setAttribute("loudness",this.loudness);}
me@1936:             // <commentboxprefix>
me@1936:             var commentboxprefix = root.createElement("commentboxprefix");
me@1936:             commentboxprefix.textContent = this.commentBoxPrefix;
me@1936:             AHNode.appendChild(commentboxprefix);
me@1936:             
me@1936: 			for (var i=0; i<this.interfaces.length; i++)
me@1936: 			{
me@1936: 				AHNode.appendChild(this.interfaces[i].encode(root));
me@1936: 			}
me@1936: 			
me@1936: 			for (var i=0; i<this.audioElements.length; i++) {
me@1936: 				AHNode.appendChild(this.audioElements[i].encode(root));
me@1936: 			}
me@1936: 			// Create <CommentQuestion>
me@1936: 			for (var i=0; i<this.commentQuestions.length; i++)
me@1936: 			{
me@1936: 				AHNode.appendChild(this.commentQuestions[i].encode(root));
me@1936: 			}
me@1936: 			
me@1936: 			AHNode.appendChild(this.preTest.encode(root));
me@1936:             AHNode.appendChild(this.postTest.encode(root));
me@1936: 			return AHNode;
me@1936: 		};
me@1936: 		
me@1936: 		this.commentQuestionNode = function() {
me@1936: 			this.id = null;
me@1936: 			this.type = undefined;
me@1936: 			this.options = [];
me@1936: 			this.statement = undefined;
me@1936: 			this.schema = specification.schema.getAllElementsByName('commentquestion')[0];
me@1936: 			this.decode = function(parent,xml)
me@1936: 			{
me@1936: 				this.id = xml.id;
me@1936: 				this.type = xml.getAttribute('type');
me@1936: 				this.statement = xml.getElementsByTagName('statement')[0].textContent;
me@1936: 				var optNodes = xml.getElementsByTagName('option');
me@1936: 				for (var i=0; i<optNodes.length; i++)
me@1936: 				{
me@1936: 					var optNode = optNodes[i];
me@1936: 					this.options.push({
me@1936: 						name: optNode.getAttribute('name'),
me@1936: 						text: optNode.textContent
me@1936: 					});
me@1936: 				}
me@1936: 			};
me@1936: 			
me@1936: 			this.encode = function(root)
me@1936: 			{
me@1936: 				var node = root.createElement("commentquestion");
me@1936:                 node.id = this.id;
me@1936:                 node.setAttribute("type",this.type);
me@1936:                 var statement = root.createElement("statement");
me@1936:                 statement.textContent = this.statement;
me@1936:                 node.appendChild(statement);
me@1936:                 for (var option of this.options)
me@1936:                 {
me@1936:                     var child = root.createElement("option");
me@1936:                     child.setAttribute("name",option.name);
me@1936:                     child.textContent = option.text;
me@1936:                     node.appendChild(child);
me@1936:                 }
me@1936:                 return node;
me@1936: 			};
me@1936: 		};
me@1936: 		
me@1936: 		this.audioElementNode = function() {
me@1936: 			this.url = null;
me@1936: 			this.id = null;
me@1936: 			this.parent = null;
me@1936: 			this.type = null;
nickjillings@1939: 			this.marker = null;
me@1936: 			this.enforce = false;
nickjillings@1939: 			this.gain = 0.0;
me@1936: 			this.schema = specification.schema.getAllElementsByName('audioelement')[0];;
me@1936: 			this.parent = null;
me@1936: 			this.decode = function(parent,xml)
me@1936: 			{
me@1936: 				this.parent = parent;
me@1936: 				var attributeMap = this.schema.getAllElementsByTagName('xs:attribute');
me@1936: 				for (var i=0; i<attributeMap.length; i++)
me@1936: 				{
me@1936: 					var attributeName = attributeMap[i].getAttribute('name') || attributeMap[i].getAttribute('ref');
me@1936: 					var projectAttr = xml.getAttribute(attributeName);
me@1936: 					projectAttr = specification.processAttribute(projectAttr,attributeMap[i]);
me@1936: 					switch(typeof projectAttr)
me@1936: 					{
me@1936: 					case "number":
me@1936: 					case "boolean":
me@1936: 						eval('this.'+attributeName+' = '+projectAttr);
me@1936: 						break;
me@1936: 					case "string":
me@1936: 						eval('this.'+attributeName+' = "'+projectAttr+'"');
me@1936: 						break;
me@1936: 					}
me@1936: 				}
me@1936: 				
me@1936: 			};
me@1936: 			this.encode = function(root)
me@1936: 			{
me@1936: 				var AENode = root.createElement("audioelement");
me@1936: 				var attributes = this.schema.getAllElementsByTagName('xs:attribute');
me@1936:                 for (var i=0; i<attributes.length; i++)
me@1936:                 {
me@1936:                     var name = attributes[i].getAttribute("name");
me@1936:                     if (name == undefined) {
me@1936:                         name = attributes[i].getAttribute("ref");
me@1936:                     }
me@1936:                     if(eval("this."+name+" != undefined") || attributes[i].getAttribute("use") == "required")
me@1936:                     {
me@1936:                         eval("AENode.setAttribute('"+name+"',this."+name+")");
me@1936:                     }
me@1936:                 }
me@1936: 				return AENode;
me@1936: 			};
me@1936: 		};
me@1936: 	};
me@1936: }
me@1936: 			
me@1936: function Interface(specificationObject) {
me@1936: 	// This handles the bindings between the interface and the audioEngineContext;
me@1936: 	this.specification = specificationObject;
me@1936: 	this.insertPoint = document.getElementById("topLevelBody");
me@1936: 	
me@1936: 	this.newPage = function(audioHolderObject,store)
me@1936: 	{
me@1936: 		audioEngineContext.newTestPage(audioHolderObject,store);
nickjillings@1939: 		interfaceContext.commentBoxes.deleteCommentBoxes();
me@1936: 		interfaceContext.deleteCommentQuestions();
me@1936: 		loadTest(audioHolderObject,store);
me@1936: 	};
me@1936: 	
me@1936: 	// Bounded by interface!!
me@1936: 	// Interface object MUST have an exportXMLDOM method which returns the various DOM levels
me@1936: 	// For example, APE returns  the slider position normalised in a <value> tag.
me@1936: 	this.interfaceObjects = [];
me@1936: 	this.interfaceObject = function(){};
me@1936: 	
me@1936: 	this.resizeWindow = function(event)
me@1936: 	{
me@1936: 		popup.resize(event);
me@1936: 		for(var i=0; i<this.commentBoxes.length; i++)
me@1936: 		{this.commentBoxes[i].resize();}
me@1936: 		for(var i=0; i<this.commentQuestions.length; i++)
me@1936: 		{this.commentQuestions[i].resize();}
me@1936: 		try
me@1936: 		{
me@1936: 			resizeWindow(event);
me@1936: 		}
me@1936: 		catch(err)
me@1936: 		{
me@1936: 			console.log("Warning - Interface does not have Resize option");
me@1936: 			console.log(err);
me@1936: 		}
me@1936: 	};
me@1936: 	
me@1936: 	this.returnNavigator = function()
me@1936: 	{
me@1936: 		var node = storage.document.createElement("navigator");
me@1936: 		var platform = storage.document.createElement("platform");
me@1936: 		platform.textContent = navigator.platform;
me@1936: 		var vendor = storage.document.createElement("vendor");
me@1936: 		vendor.textContent = navigator.vendor;
me@1936: 		var userAgent = storage.document.createElement("uagent");
me@1936: 		userAgent.textContent = navigator.userAgent;
me@1936:         var screen = storage.document.createElement("window");
me@1936:         screen.setAttribute('innerWidth',window.innerWidth);
me@1936:         screen.setAttribute('innerHeight',window.innerHeight);
me@1936: 		node.appendChild(platform);
me@1936: 		node.appendChild(vendor);
me@1936: 		node.appendChild(userAgent);
me@1936:         node.appendChild(screen);
me@1936: 		return node;
me@1936: 	};
me@1936: 	
nickjillings@1939: 	this.commentBoxes = new function() {
nickjillings@1939:         this.boxes = [];
nickjillings@1939:         this.injectPoint = null;
nickjillings@1939:         this.elementCommentBox = function(audioObject) {
nickjillings@1939:             var element = audioObject.specification;
nickjillings@1939:             this.audioObject = audioObject;
nickjillings@1939:             this.id = audioObject.id;
nickjillings@1939:             var audioHolderObject = audioObject.specification.parent;
nickjillings@1939:             // Create document objects to hold the comment boxes
nickjillings@1939:             this.trackComment = document.createElement('div');
nickjillings@1939:             this.trackComment.className = 'comment-div';
nickjillings@1939:             this.trackComment.id = 'comment-div-'+audioObject.id;
nickjillings@1939:             // Create a string next to each comment asking for a comment
nickjillings@1939:             this.trackString = document.createElement('span');
nickjillings@1939:             this.trackString.innerHTML = audioHolderObject.commentBoxPrefix+' '+audioObject.interfaceDOM.getPresentedId();
nickjillings@1939:             // Create the HTML5 comment box 'textarea'
nickjillings@1939:             this.trackCommentBox = document.createElement('textarea');
nickjillings@1939:             this.trackCommentBox.rows = '4';
nickjillings@1939:             this.trackCommentBox.cols = '100';
nickjillings@1939:             this.trackCommentBox.name = 'trackComment'+audioObject.id;
nickjillings@1939:             this.trackCommentBox.className = 'trackComment';
nickjillings@1939:             var br = document.createElement('br');
nickjillings@1939:             // Add to the holder.
nickjillings@1939:             this.trackComment.appendChild(this.trackString);
nickjillings@1939:             this.trackComment.appendChild(br);
nickjillings@1939:             this.trackComment.appendChild(this.trackCommentBox);
nickjillings@1939: 
nickjillings@1939:             this.exportXMLDOM = function() {
nickjillings@1939:                 var root = document.createElement('comment');
nickjillings@1939:                 var question = document.createElement('question');
nickjillings@1939:                 question.textContent = this.trackString.textContent;
nickjillings@1939:                 var response = document.createElement('response');
nickjillings@1939:                 response.textContent = this.trackCommentBox.value;
nickjillings@1939:                 console.log("Comment frag-"+this.id+": "+response.textContent);
nickjillings@1939:                 root.appendChild(question);
nickjillings@1939:                 root.appendChild(response);
nickjillings@1939:                 return root;
nickjillings@1939:             };
nickjillings@1939:             this.resize = function()
nickjillings@1939:             {
nickjillings@1939:                 var boxwidth = (window.innerWidth-100)/2;
nickjillings@1939:                 if (boxwidth >= 600)
nickjillings@1939:                 {
nickjillings@1939:                     boxwidth = 600;
nickjillings@1939:                 }
nickjillings@1939:                 else if (boxwidth < 400)
nickjillings@1939:                 {
nickjillings@1939:                     boxwidth = 400;
nickjillings@1939:                 }
nickjillings@1939:                 this.trackComment.style.width = boxwidth+"px";
nickjillings@1939:                 this.trackCommentBox.style.width = boxwidth-6+"px";
nickjillings@1939:             };
nickjillings@1939:             this.resize();
nickjillings@1939:         };
nickjillings@1939:         this.createCommentBox = function(audioObject) {
nickjillings@1939:             var node = new this.elementCommentBox(audioObject);
nickjillings@1939:             this.boxes.push(node);
nickjillings@1939:             audioObject.commentDOM = node;
nickjillings@1939:             return node;
nickjillings@1939:         };
nickjillings@1939:         this.sortCommentBoxes = function() {
nickjillings@1939:             this.boxes.sort(function(a,b){return a.id - b.id;});
nickjillings@1939:         };
nickjillings@1939: 
nickjillings@1939:         this.showCommentBoxes = function(inject, sort) {
nickjillings@1939:             this.injectPoint = inject;
nickjillings@1939:             if (sort) {this.sortCommentBoxes();}
nickjillings@1939:             for (var box of this.boxes) {
nickjillings@1939:                 inject.appendChild(box.trackComment);
nickjillings@1939:             }
nickjillings@1939:         };
nickjillings@1939: 
nickjillings@1939:         this.deleteCommentBoxes = function() {
nickjillings@1939:             if (this.injectPoint != null) {
nickjillings@1939:                 for (var box of this.boxes) {
nickjillings@1939:                     this.injectPoint.removeChild(box.trackComment);
nickjillings@1939:                 }
nickjillings@1939:                 this.injectPoint = null;
nickjillings@1939:             }
nickjillings@1939:             this.boxes = [];
nickjillings@1939:         };
nickjillings@1939:     }
me@1936: 	
me@1936: 	this.commentQuestions = [];
me@1936: 	
me@1936: 	this.commentBox = function(commentQuestion) {
me@1936: 		this.specification = commentQuestion;
me@1936: 		// Create document objects to hold the comment boxes
me@1936: 		this.holder = document.createElement('div');
me@1936: 		this.holder.className = 'comment-div';
me@1936: 		// Create a string next to each comment asking for a comment
me@1936: 		this.string = document.createElement('span');
me@1936: 		this.string.innerHTML = commentQuestion.statement;
me@1936: 		// Create the HTML5 comment box 'textarea'
me@1936: 		this.textArea = document.createElement('textarea');
me@1936: 		this.textArea.rows = '4';
me@1936: 		this.textArea.cols = '100';
me@1936: 		this.textArea.className = 'trackComment';
me@1936: 		var br = document.createElement('br');
me@1936: 		// Add to the holder.
me@1936: 		this.holder.appendChild(this.string);
me@1936: 		this.holder.appendChild(br);
me@1936: 		this.holder.appendChild(this.textArea);
me@1936: 		
me@1936: 		this.exportXMLDOM = function(storePoint) {
me@1936: 			var root = storePoint.parent.document.createElement('comment');
me@1936: 			root.id = this.specification.id;
me@1936: 			root.setAttribute('type',this.specification.type);
me@1936: 			console.log("Question: "+this.string.textContent);
me@1936: 			console.log("Response: "+root.textContent);
me@1936:             var question = storePoint.parent.document.createElement('question');
me@1936:             question.textContent = this.string.textContent;
me@1936:             var response = storePoint.parent.document.createElement('response');
me@1936:             response.textContent = this.textArea.value;
me@1936:             root.appendChild(question);
me@1936:             root.appendChild(response);
me@1936:             storePoint.XMLDOM.appendChild(root);
me@1936: 			return root;
me@1936: 		};
me@1936: 		this.resize = function()
me@1936: 		{
me@1936: 			var boxwidth = (window.innerWidth-100)/2;
me@1936: 			if (boxwidth >= 600)
me@1936: 			{
me@1936: 				boxwidth = 600;
me@1936: 			}
me@1936: 			else if (boxwidth < 400)
me@1936: 			{
me@1936: 				boxwidth = 400;
me@1936: 			}
me@1936: 			this.holder.style.width = boxwidth+"px";
me@1936: 			this.textArea.style.width = boxwidth-6+"px";
me@1936: 		};
me@1936: 		this.resize();
me@1936: 	};
me@1936: 	
me@1936: 	this.radioBox = function(commentQuestion) {
me@1936: 		this.specification = commentQuestion;
me@1936: 		// Create document objects to hold the comment boxes
me@1936: 		this.holder = document.createElement('div');
me@1936: 		this.holder.className = 'comment-div';
me@1936: 		// Create a string next to each comment asking for a comment
me@1936: 		this.string = document.createElement('span');
me@1936: 		this.string.innerHTML = commentQuestion.statement;
me@1936: 		var br = document.createElement('br');
me@1936: 		// Add to the holder.
me@1936: 		this.holder.appendChild(this.string);
me@1936: 		this.holder.appendChild(br);
me@1936: 		this.options = [];
me@1936: 		this.inputs = document.createElement('div');
me@1936: 		this.span = document.createElement('div');
me@1936: 		this.inputs.align = 'center';
me@1936: 		this.inputs.style.marginLeft = '12px';
me@1936: 		this.span.style.marginLeft = '12px';
me@1936: 		this.span.align = 'center';
me@1936: 		this.span.style.marginTop = '15px';
me@1936: 		
me@1936: 		var optCount = commentQuestion.options.length;
me@1936: 		for (var optNode of commentQuestion.options)
me@1936: 		{
me@1936: 			var div = document.createElement('div');
me@1936: 			div.style.width = '80px';
me@1936: 			div.style.float = 'left';
me@1936: 			var input = document.createElement('input');
me@1936: 			input.type = 'radio';
me@1936: 			input.name = commentQuestion.id;
me@1936: 			input.setAttribute('setvalue',optNode.name);
me@1936: 			input.className = 'comment-radio';
me@1936: 			div.appendChild(input);
me@1936: 			this.inputs.appendChild(div);
me@1936: 			
me@1936: 			
me@1936: 			div = document.createElement('div');
me@1936: 			div.style.width = '80px';
me@1936: 			div.style.float = 'left';
me@1936: 			div.align = 'center';
me@1936: 			var span = document.createElement('span');
me@1936: 			span.textContent = optNode.text;
me@1936: 			span.className = 'comment-radio-span';
me@1936: 			div.appendChild(span);
me@1936: 			this.span.appendChild(div);
me@1936: 			this.options.push(input);
me@1936: 		}
me@1936: 		this.holder.appendChild(this.span);
me@1936: 		this.holder.appendChild(this.inputs);
me@1936: 		
me@1936: 		this.exportXMLDOM = function(storePoint) {
me@1936: 			var root = storePoint.parent.document.createElement('comment');
me@1936: 			root.id = this.specification.id;
me@1936: 			root.setAttribute('type',this.specification.type);
me@1936: 			var question = document.createElement('question');
me@1936: 			question.textContent = this.string.textContent;
me@1936: 			var response = document.createElement('response');
me@1936: 			var i=0;
me@1936: 			while(this.options[i].checked == false) {
me@1936: 				i++;
me@1936: 				if (i >= this.options.length) {
me@1936: 					break;
me@1936: 				}
me@1936: 			}
me@1936: 			if (i >= this.options.length) {
me@1936: 				response.textContent = 'null';
me@1936: 			} else {
me@1936: 				response.textContent = this.options[i].getAttribute('setvalue');
me@1936: 				response.setAttribute('number',i);
me@1936: 			}
me@1936: 			console.log('Comment: '+question.textContent);
me@1936: 			console.log('Response: '+response.textContent);
me@1936: 			root.appendChild(question);
me@1936: 			root.appendChild(response);
me@1936:             storePoint.XMLDOM.appendChild(root);
me@1936: 			return root;
me@1936: 		};
me@1936: 		this.resize = function()
me@1936: 		{
me@1936: 			var boxwidth = (window.innerWidth-100)/2;
me@1936: 			if (boxwidth >= 600)
me@1936: 			{
me@1936: 				boxwidth = 600;
me@1936: 			}
me@1936: 			else if (boxwidth < 400)
me@1936: 			{
me@1936: 				boxwidth = 400;
me@1936: 			}
me@1936: 			this.holder.style.width = boxwidth+"px";
me@1936: 			var text = this.holder.children[2];
me@1936: 			var options = this.holder.children[3];
me@1936: 			var optCount = options.children.length;
me@1936: 			var spanMargin = Math.floor(((boxwidth-20-(optCount*80))/(optCount))/2)+'px';
me@1936: 			var options = options.firstChild;
me@1936: 			var text = text.firstChild;
me@1936: 			options.style.marginRight = spanMargin;
me@1936: 			options.style.marginLeft = spanMargin;
me@1936: 			text.style.marginRight = spanMargin;
me@1936: 			text.style.marginLeft = spanMargin;
me@1936: 			while(options.nextSibling != undefined)
me@1936: 			{
me@1936: 				options = options.nextSibling;
me@1936: 				text = text.nextSibling;
me@1936: 				options.style.marginRight = spanMargin;
me@1936: 				options.style.marginLeft = spanMargin;
me@1936: 				text.style.marginRight = spanMargin;
me@1936: 				text.style.marginLeft = spanMargin;
me@1936: 			}
me@1936: 		};
me@1936: 		this.resize();
me@1936: 	};
me@1936: 	
me@1936: 	this.checkboxBox = function(commentQuestion) {
me@1936: 		this.specification = commentQuestion;
me@1936: 		// Create document objects to hold the comment boxes
me@1936: 		this.holder = document.createElement('div');
me@1936: 		this.holder.className = 'comment-div';
me@1936: 		// Create a string next to each comment asking for a comment
me@1936: 		this.string = document.createElement('span');
me@1936: 		this.string.innerHTML = commentQuestion.statement;
me@1936: 		var br = document.createElement('br');
me@1936: 		// Add to the holder.
me@1936: 		this.holder.appendChild(this.string);
me@1936: 		this.holder.appendChild(br);
me@1936: 		this.options = [];
me@1936: 		this.inputs = document.createElement('div');
me@1936: 		this.span = document.createElement('div');
me@1936: 		this.inputs.align = 'center';
me@1936: 		this.inputs.style.marginLeft = '12px';
me@1936: 		this.span.style.marginLeft = '12px';
me@1936: 		this.span.align = 'center';
me@1936: 		this.span.style.marginTop = '15px';
me@1936: 		
me@1936: 		var optCount = commentQuestion.options.length;
me@1936: 		for (var i=0; i<optCount; i++)
me@1936: 		{
me@1936: 			var div = document.createElement('div');
me@1936: 			div.style.width = '80px';
me@1936: 			div.style.float = 'left';
me@1936: 			var input = document.createElement('input');
me@1936: 			input.type = 'checkbox';
me@1936: 			input.name = commentQuestion.id;
me@1936: 			input.setAttribute('setvalue',commentQuestion.options[i].name);
me@1936: 			input.className = 'comment-radio';
me@1936: 			div.appendChild(input);
me@1936: 			this.inputs.appendChild(div);
me@1936: 			
me@1936: 			
me@1936: 			div = document.createElement('div');
me@1936: 			div.style.width = '80px';
me@1936: 			div.style.float = 'left';
me@1936: 			div.align = 'center';
me@1936: 			var span = document.createElement('span');
me@1936: 			span.textContent = commentQuestion.options[i].text;
me@1936: 			span.className = 'comment-radio-span';
me@1936: 			div.appendChild(span);
me@1936: 			this.span.appendChild(div);
me@1936: 			this.options.push(input);
me@1936: 		}
me@1936: 		this.holder.appendChild(this.span);
me@1936: 		this.holder.appendChild(this.inputs);
me@1936: 		
me@1936: 		this.exportXMLDOM = function(storePoint) {
me@1936: 			var root = storePoint.parent.document.createElement('comment');
me@1936: 			root.id = this.specification.id;
me@1936: 			root.setAttribute('type',this.specification.type);
me@1936: 			var question = document.createElement('question');
me@1936: 			question.textContent = this.string.textContent;
me@1936: 			root.appendChild(question);
me@1936: 			console.log('Comment: '+question.textContent);
me@1936: 			for (var i=0; i<this.options.length; i++) {
me@1936: 				var response = document.createElement('response');
me@1936: 				response.textContent = this.options[i].checked;
me@1936: 				response.setAttribute('name',this.options[i].getAttribute('setvalue'));
me@1936: 				root.appendChild(response);
me@1936: 				console.log('Response '+response.getAttribute('name') +': '+response.textContent);
me@1936: 			}
me@1936:             storePoint.XMLDOM.appendChild(root);
me@1936: 			return root;
me@1936: 		};
me@1936: 		this.resize = function()
me@1936: 		{
me@1936: 			var boxwidth = (window.innerWidth-100)/2;
me@1936: 			if (boxwidth >= 600)
me@1936: 			{
me@1936: 				boxwidth = 600;
me@1936: 			}
me@1936: 			else if (boxwidth < 400)
me@1936: 			{
me@1936: 				boxwidth = 400;
me@1936: 			}
me@1936: 			this.holder.style.width = boxwidth+"px";
me@1936: 			var text = this.holder.children[2];
me@1936: 			var options = this.holder.children[3];
me@1936: 			var optCount = options.children.length;
me@1936: 			var spanMargin = Math.floor(((boxwidth-20-(optCount*80))/(optCount))/2)+'px';
me@1936: 			var options = options.firstChild;
me@1936: 			var text = text.firstChild;
me@1936: 			options.style.marginRight = spanMargin;
me@1936: 			options.style.marginLeft = spanMargin;
me@1936: 			text.style.marginRight = spanMargin;
me@1936: 			text.style.marginLeft = spanMargin;
me@1936: 			while(options.nextSibling != undefined)
me@1936: 			{
me@1936: 				options = options.nextSibling;
me@1936: 				text = text.nextSibling;
me@1936: 				options.style.marginRight = spanMargin;
me@1936: 				options.style.marginLeft = spanMargin;
me@1936: 				text.style.marginRight = spanMargin;
me@1936: 				text.style.marginLeft = spanMargin;
me@1936: 			}
me@1936: 		};
me@1936: 		this.resize();
me@1936: 	};
me@1936: 	
me@1936: 	this.createCommentQuestion = function(element) {
me@1936: 		var node;
me@1936: 		if (element.type == 'question') {
me@1936: 			node = new this.commentBox(element);
me@1936: 		} else if (element.type == 'radio') {
me@1936: 			node = new this.radioBox(element);
me@1936: 		} else if (element.type == 'checkbox') {
me@1936: 			node = new this.checkboxBox(element);
me@1936: 		}
me@1936: 		this.commentQuestions.push(node);
me@1936: 		return node;
me@1936: 	};
me@1936: 	
me@1936: 	this.deleteCommentQuestions = function()
me@1936: 	{
me@1936: 		this.commentQuestions = [];
me@1936: 	};
me@1936: 	
me@1936: 	this.playhead = new function()
me@1936: 	{
me@1936: 		this.object = document.createElement('div');
me@1936: 		this.object.className = 'playhead';
me@1936: 		this.object.align = 'left';
me@1936: 		var curTime = document.createElement('div');
me@1936: 		curTime.style.width = '50px';
me@1936: 		this.curTimeSpan = document.createElement('span');
me@1936: 		this.curTimeSpan.textContent = '00:00';
me@1936: 		curTime.appendChild(this.curTimeSpan);
me@1936: 		this.object.appendChild(curTime);
me@1936: 		this.scrubberTrack = document.createElement('div');
me@1936: 		this.scrubberTrack.className = 'playhead-scrub-track';
me@1936: 		
me@1936: 		this.scrubberHead = document.createElement('div');
me@1936: 		this.scrubberHead.id = 'playhead-scrubber';
me@1936: 		this.scrubberTrack.appendChild(this.scrubberHead);
me@1936: 		this.object.appendChild(this.scrubberTrack);
me@1936: 		
me@1936: 		this.timePerPixel = 0;
me@1936: 		this.maxTime = 0;
me@1936: 		
me@1936: 		this.playbackObject;
me@1936: 		
me@1936: 		this.setTimePerPixel = function(audioObject) {
me@1936: 			//maxTime must be in seconds
me@1936: 			this.playbackObject = audioObject;
me@1936: 			this.maxTime = audioObject.buffer.buffer.duration;
me@1936: 			var width = 490; //500 - 10, 5 each side of the tracker head
me@1936: 			this.timePerPixel = this.maxTime/490;
me@1936: 			if (this.maxTime < 60) {
me@1936: 				this.curTimeSpan.textContent = '0.00';
me@1936: 			} else {
me@1936: 				this.curTimeSpan.textContent = '00:00';
me@1936: 			}
me@1936: 		};
me@1936: 		
me@1936: 		this.update = function() {
me@1936: 			// Update the playhead position, startPlay must be called
me@1936: 			if (this.timePerPixel > 0) {
me@1936: 				var time = this.playbackObject.getCurrentPosition();
me@1936: 				if (time > 0 && time < this.maxTime) {
me@1936: 					var width = 490;
me@1936: 					var pix = Math.floor(time/this.timePerPixel);
me@1936: 					this.scrubberHead.style.left = pix+'px';
me@1936: 					if (this.maxTime > 60.0) {
me@1936: 						var secs = time%60;
me@1936: 						var mins = Math.floor((time-secs)/60);
me@1936: 						secs = secs.toString();
me@1936: 						secs = secs.substr(0,2);
me@1936: 						mins = mins.toString();
me@1936: 						this.curTimeSpan.textContent = mins+':'+secs;
me@1936: 					} else {
me@1936: 						time = time.toString();
me@1936: 						this.curTimeSpan.textContent = time.substr(0,4);
me@1936: 					}
me@1936: 				} else {
me@1936: 					this.scrubberHead.style.left = '0px';
me@1936: 					if (this.maxTime < 60) {
me@1936: 						this.curTimeSpan.textContent = '0.00';
me@1936: 					} else {
me@1936: 						this.curTimeSpan.textContent = '00:00';
me@1936: 					}
me@1936: 				}
me@1936: 			}
me@1936: 		};
me@1936: 		
me@1936: 		this.interval = undefined;
me@1936: 		
me@1936: 		this.start = function() {
me@1936: 			if (this.playbackObject != undefined && this.interval == undefined) {
me@1936: 				if (this.maxTime < 60) {
me@1936: 					this.interval = setInterval(function(){interfaceContext.playhead.update();},10);
me@1936: 				} else {
me@1936: 					this.interval = setInterval(function(){interfaceContext.playhead.update();},100);
me@1936: 				}
me@1936: 			}
me@1936: 		};
me@1936: 		this.stop = function() {
me@1936: 			clearInterval(this.interval);
me@1936: 			this.interval = undefined;
me@1936:             this.scrubberHead.style.left = '0px';
me@1936: 			if (this.maxTime < 60) {
me@1936: 				this.curTimeSpan.textContent = '0.00';
me@1936: 			} else {
me@1936: 				this.curTimeSpan.textContent = '00:00';
me@1936: 			}
me@1936: 		};
me@1936: 	};
me@1936:     
me@1936:     this.volume = new function()
me@1936:     {
me@1936:         // An in-built volume module which can be viewed on page
me@1936:         // Includes trackers on page-by-page data
me@1936:         // Volume does NOT reset to 0dB on each page load
me@1936:         this.valueLin = 1.0;
me@1936:         this.valueDB = 0.0;
me@1936:         this.object = document.createElement('div');
me@1936:         this.object.id = 'master-volume-holder';
me@1936:         this.slider = document.createElement('input');
me@1936:         this.slider.id = 'master-volume-control';
me@1936:         this.slider.type = 'range';
me@1936:         this.valueText = document.createElement('span');
me@1936:         this.valueText.id = 'master-volume-feedback';
me@1936:         this.valueText.textContent = '0dB';
me@1936:         
me@1936:         this.slider.min = -60;
me@1936:         this.slider.max = 12;
me@1936:         this.slider.value = 0;
me@1936:         this.slider.step = 1;
me@1936:         this.slider.onmousemove = function(event)
me@1936:         {
me@1936:             interfaceContext.volume.valueDB = event.currentTarget.value;
me@1936:             interfaceContext.volume.valueLin = decibelToLinear(interfaceContext.volume.valueDB);
me@1936:             interfaceContext.volume.valueText.textContent = interfaceContext.volume.valueDB+'dB';
me@1936:             audioEngineContext.outputGain.gain.value = interfaceContext.volume.valueLin;
me@1936:         }
me@1936:         this.slider.onmouseup = function(event)
me@1936:         {
me@1936:             var storePoint = testState.currentStore.XMLDOM.getElementsByTagName('metric')[0].getAllElementsByName('volumeTracker');
me@1936:             if (storePoint.length == 0)
me@1936:             {
me@1936:                 storePoint = storage.document.createElement('metricresult');
me@1936:                 storePoint.setAttribute('name','volumeTracker');
me@1936:                 testState.currentStore.XMLDOM.getElementsByTagName('metric')[0].appendChild(storePoint);
me@1936:             }
me@1936:             else {
me@1936:                 storePoint = storePoint[0];
me@1936:             }
me@1936:             var node = storage.document.createElement('movement');
me@1936:             node.setAttribute('test-time',audioEngineContext.timer.getTestTime());
me@1936:             node.setAttribute('volume',interfaceContext.volume.valueDB);
me@1936:             node.setAttribute('format','dBFS');
me@1936:             storePoint.appendChild(node);
me@1936:         }
me@1936:         
me@1936:         var title = document.createElement('div');
me@1936:         title.innerHTML = '<span>Master Volume Control</span>';
me@1936:         title.style.fontSize = '0.75em';
me@1936:         title.style.width = "100%";
me@1936:         title.align = 'center';
me@1936:         this.object.appendChild(title);
me@1936:         
me@1936:         this.object.appendChild(this.slider);
me@1936:         this.object.appendChild(this.valueText);
me@1936:     }
me@1936: 	// Global Checkers
me@1936: 	// These functions will help enforce the checkers
me@1936: 	this.checkHiddenAnchor = function()
me@1936: 	{
me@1936: 		for (var ao of audioEngineContext.audioObjects)
me@1936: 		{
me@1936: 			if (ao.specification.type == "anchor")
me@1936: 			{
me@1936: 				if (ao.interfaceDOM.getValue() > (ao.specification.marker/100) && ao.specification.marker > 0) {
me@1936: 					// Anchor is not set below
me@1936: 					console.log('Anchor node not below marker value');
me@1936: 					alert('Please keep listening');
me@1936:                     this.storeErrorNode('Anchor node not below marker value');
me@1936: 					return false;
me@1936: 				}
me@1936: 			}
me@1936: 		}
me@1936: 		return true;
me@1936: 	};
me@1936: 	
me@1936: 	this.checkHiddenReference = function()
me@1936: 	{
me@1936: 		for (var ao of audioEngineContext.audioObjects)
me@1936: 		{
me@1936: 			if (ao.specification.type == "reference")
me@1936: 			{
me@1936: 				if (ao.interfaceDOM.getValue() < (ao.specification.marker/100) && ao.specification.marker > 0) {
me@1936: 					// Anchor is not set below
me@1936: 					console.log('Reference node not above marker value');
me@1936:                     this.storeErrorNode('Reference node not above marker value');
me@1936: 					alert('Please keep listening');
me@1936: 					return false;
me@1936: 				}
me@1936: 			}
me@1936: 		}
me@1936: 		return true;
me@1936: 	};
me@1936: 	
me@1936: 	this.checkFragmentsFullyPlayed = function ()
me@1936: 	{
me@1936: 		// Checks the entire file has been played back
me@1936: 		// NOTE ! This will return true IF playback is Looped!!!
me@1936: 		if (audioEngineContext.loopPlayback)
me@1936: 		{
me@1936: 			console.log("WARNING - Looped source: Cannot check fragments are fully played");
me@1936: 			return true;
me@1936: 		}
me@1936: 		var check_pass = true;
me@1936: 		var error_obj = [];
me@1936: 		for (var i = 0; i<audioEngineContext.audioObjects.length; i++)
me@1936: 		{
me@1936: 			var object = audioEngineContext.audioObjects[i];
me@1936: 			var time = object.buffer.buffer.duration;
me@1936: 			var metric = object.metric;
me@1936: 			var passed = false;
me@1936: 			for (var j=0; j<metric.listenTracker.length; j++)
me@1936: 			{
me@1936: 				var bt = metric.listenTracker[j].getElementsByTagName('buffertime');
me@1936: 				var start_time = Number(bt[0].getAttribute('start'));
me@1936: 				var stop_time = Number(bt[0].getAttribute('stop'));
me@1936: 				var delta = stop_time - start_time;
me@1936: 				if (delta >= time)
me@1936: 				{
me@1936: 					passed = true;
me@1936: 					break;
me@1936: 				}
me@1936: 			}
me@1936: 			if (passed == false)
me@1936: 			{
me@1936: 				check_pass = false;
me@1936: 				console.log("Continue listening to track-"+audioEngineContext.audioObjects.interfaceDOM.getPresentedId());
me@1936: 				error_obj.push(audioEngineContext.audioObjects.interfaceDOM.getPresentedId());
me@1936: 			}
me@1936: 		}
me@1936: 		if (check_pass == false)
me@1936: 		{
me@1936: 			var str_start = "You have not completely listened to fragments ";
me@1936: 			for (var i=0; i<error_obj.length; i++)
me@1936: 			{
me@1936: 				str_start += error_obj[i];
me@1936: 				if (i != error_obj.length-1)
me@1936: 				{
me@1936: 					str_start += ', ';
me@1936: 				}
me@1936: 			}
me@1936: 			str_start += ". Please keep listening";
me@1936: 			console.log("[ALERT]: "+str_start);
me@1936:             this.storeErrorNode("[ALERT]: "+str_start);
me@1936: 			alert(str_start);
me@1936: 		}
me@1936: 	};
me@1936: 	this.checkAllMoved = function()
me@1936: 	{
me@1936: 		var str = "You have not moved ";
me@1936: 		var failed = [];
me@1936: 		for (var ao of audioEngineContext.audioObjects)
me@1936: 		{
me@1936: 			if(ao.metric.wasMoved == false && ao.interfaceDOM.canMove() == true)
me@1936: 			{
me@1936: 				failed.push(ao.interfaceDOM.getPresentedId());
me@1936: 			}
me@1936: 		}
me@1936: 		if (failed.length == 0)
me@1936: 		{
me@1936: 			return true;
me@1936: 		} else if (failed.length == 1)
me@1936: 		{
me@1936: 			str += 'track '+failed[0];
me@1936: 		} else {
me@1936: 			str += 'tracks ';
me@1936: 			for (var i=0; i<failed.length-1; i++)
me@1936: 			{
me@1936: 				str += failed[i]+', ';
me@1936: 			}
me@1936: 			str += 'and '+failed[i];
me@1936: 		}
me@1936: 		str +='.';
me@1936: 		alert(str);
me@1936: 		console.log(str);
me@1936:         this.storeErrorNode(str);
me@1936: 		return false;
me@1936: 	};
me@1936: 	this.checkAllPlayed = function()
me@1936: 	{
me@1936: 		var str = "You have not played ";
me@1936: 		var failed = [];
me@1936: 		for (var ao of audioEngineContext.audioObjects)
me@1936: 		{
me@1936: 			if(ao.metric.wasListenedTo == false)
me@1936: 			{
me@1936: 				failed.push(ao.interfaceDOM.getPresentedId());
me@1936: 			}
me@1936: 		}
me@1936: 		if (failed.length == 0)
me@1936: 		{
me@1936: 			return true;
me@1936: 		} else if (failed.length == 1)
me@1936: 		{
me@1936: 			str += 'track '+failed[0];
me@1936: 		} else {
me@1936: 			str += 'tracks ';
me@1936: 			for (var i=0; i<failed.length-1; i++)
me@1936: 			{
me@1936: 				str += failed[i]+', ';
me@1936: 			}
me@1936: 			str += 'and '+failed[i];
me@1936: 		}
me@1936: 		str +='.';
me@1936: 		alert(str);
me@1936: 		console.log(str);
me@1936:         this.storeErrorNode(str);
me@1936: 		return false;
me@1936: 	};
me@1936:     
me@1936:     this.storeErrorNode = function(errorMessage)
me@1936:     {
me@1936:         var time = audioEngineContext.timer.getTestTime();
me@1936:         var node = storage.document.createElement('error');
me@1936:         node.setAttribute('time',time);
me@1936:         node.textContent = errorMessage;
me@1936:         testState.currentStore.XMLDOM.appendChild(node);
me@1936:     };
me@1936: }
me@1936: 
me@1936: function Storage()
me@1936: {
me@1936: 	// Holds results in XML format until ready for collection
me@1936: 	this.globalPreTest = null;
me@1936: 	this.globalPostTest = null;
me@1936: 	this.testPages = [];
me@1936: 	this.document = document.implementation.createDocument(null,"waetresult");
nickjillings@1939: 	this.root = this.document.childNodes[0];
me@1936: 	this.state = 0;
me@1936: 	
me@1936: 	this.initialise = function()
me@1936: 	{
me@1936: 		if (specification.preTest != undefined){this.globalPreTest = new this.surveyNode(this,this.root,specification.preTest);}
me@1936: 		if (specification.postTest != undefined){this.globalPostTest = new this.surveyNode(this,this.root,specification.postTest);}
me@1936: 	};
me@1936: 	
me@1936: 	this.createTestPageStore = function(specification)
me@1936: 	{
me@1936: 		var store = new this.pageNode(this,specification);
me@1936: 		this.testPages.push(store);
me@1936: 		return this.testPages[this.testPages.length-1];
me@1936: 	};
me@1936: 	
me@1936: 	this.surveyNode = function(parent,root,specification)
me@1936: 	{
me@1936: 		this.specification = specification;
me@1936: 		this.parent = parent;
me@1936: 		this.XMLDOM = this.parent.document.createElement('survey');
me@1936: 		this.XMLDOM.setAttribute('location',this.specification.location);
me@1936: 		for (var optNode of this.specification.options)
me@1936: 		{
me@1936: 			if (optNode.type != 'statement')
me@1936: 			{
me@1936: 				var node = this.parent.document.createElement('surveyresult');
me@1936: 				node.id = optNode.id;
me@1936: 				node.setAttribute('type',optNode.type);
me@1936: 				this.XMLDOM.appendChild(node);
me@1936: 			}
me@1936: 		}
me@1936: 		root.appendChild(this.XMLDOM);
me@1936: 		
me@1936: 		this.postResult = function(node)
me@1936: 		{
me@1936: 			// From popup: node is the popupOption node containing both spec. and results
me@1936: 			// ID is the position
me@1936: 			if (node.specification.type == 'statement'){return;}
me@1936: 			var surveyresult = this.parent.document.getElementById(node.specification.id);
me@1936: 			switch(node.specification.type)
me@1936: 			{
me@1936: 			case "number":
me@1936: 			case "question":
me@1936: 				var child = this.parent.document.createElement('response');
me@1936: 				child.textContent = node.response;
me@1936: 				surveyresult.appendChild(child);
me@1936: 				break;
me@1936: 			case "radio":
me@1936: 				var child = this.parent.document.createElement('response');
me@1936: 				child.setAttribute('name',node.response.name);
me@1936: 				child.textContent = node.response.text;
me@1936: 				surveyresult.appendChild(child);
me@1936: 				break;
me@1936: 			case "checkbox":
me@1936: 				for (var i=0; i<node.response.length; i++)
me@1936: 				{
me@1936: 					var checkNode = this.parent.document.createElement('response');
me@1936: 					checkNode.setAttribute('name',node.response[i].name);
me@1936: 					checkNode.setAttribute('checked',node.response[i].checked);
me@1936: 					surveyresult.appendChild(checkNode);
me@1936: 				}
me@1936: 				break;
me@1936: 			}
me@1936: 		};
me@1936: 	};
me@1936: 	
me@1936: 	this.pageNode = function(parent,specification)
me@1936: 	{
me@1936: 		// Create one store per test page
me@1936: 		this.specification = specification;
me@1936: 		this.parent = parent;
me@1936: 		this.XMLDOM = this.parent.document.createElement('page');
me@1936: 		this.XMLDOM.setAttribute('id',specification.id);
me@1936: 		this.XMLDOM.setAttribute('presentedId',specification.presentedId);
me@1936: 		if (specification.preTest != undefined){this.preTest = new this.parent.surveyNode(this.parent,this.XMLDOM,this.specification.preTest);}
me@1936: 		if (specification.postTest != undefined){this.postTest = new this.parent.surveyNode(this.parent,this.XMLDOM,this.specification.postTest);}
me@1936: 		
me@1936: 		// Add any page metrics
me@1936: 		var page_metric = this.parent.document.createElement('metric');
me@1936: 		this.XMLDOM.appendChild(page_metric);
me@1936: 		
me@1936: 		// Add the audioelement
me@1936: 		for (var element of this.specification.audioElements)
me@1936: 		{
me@1936: 			var aeNode = this.parent.document.createElement('audioelement');
me@1936: 			aeNode.id = element.id;
me@1936: 			aeNode.setAttribute('type',element.type);
me@1936: 			aeNode.setAttribute('url', element.url);
me@1936: 			aeNode.setAttribute('gain', element.gain);
me@1936: 			if (element.type == 'anchor' || element.type == 'reference')
me@1936: 			{
me@1936: 				if (element.marker > 0)
me@1936: 				{
me@1936: 					aeNode.setAttribute('marker',element.marker);
me@1936: 				}
me@1936: 			}
me@1936: 			var ae_metric = this.parent.document.createElement('metric');
me@1936: 			aeNode.appendChild(ae_metric); 
me@1936: 			this.XMLDOM.appendChild(aeNode);
me@1936: 		}
me@1936: 		
me@1936: 		this.parent.root.appendChild(this.XMLDOM);
me@1936: 	};
me@1936: 	this.finish = function()
me@1936: 	{
me@1936: 		if (this.state == 0)
me@1936: 		{
me@1936: 			var projectDocument = specification.projectXML;
me@1936: 			projectDocument.setAttribute('file-name',url);
me@1936: 			this.root.appendChild(projectDocument);
me@1936: 			this.root.appendChild(returnDateNode());
me@1936: 			this.root.appendChild(interfaceContext.returnNavigator());
me@1936: 		}
me@1936: 		this.state = 1;
me@1936: 		return this.root;
me@1936: 	};
me@1936: }