n@1141: /** n@1141: * mushra.js n@1141: * Create the MUSHRA interface n@1141: */ n@1141: n@1141: // Once this is loaded and parsed, begin execution n@1141: loadInterface(); n@1141: n@1141: function loadInterface() { n@1141: // Get the dimensions of the screen available to the page n@1141: var width = window.innerWidth; n@1141: var height = window.innerHeight; n@1141: n@1141: // The injection point into the HTML page n@1141: interfaceContext.insertPoint = document.getElementById("topLevelBody"); n@1141: var testContent = document.createElement('div'); n@1141: testContent.id = 'testContent'; n@1141: n@1141: // Create the top div for the Title element n@1141: var titleAttr = specification.title; n@1141: var title = document.createElement('div'); n@1141: title.className = "title"; n@1141: title.align = "center"; n@1141: var titleSpan = document.createElement('span'); n@1141: n@1141: // Set title to that defined in XML, else set to default n@1141: if (titleAttr != undefined) { n@1141: titleSpan.textContent = titleAttr; n@1141: } else { n@1141: titleSpan.textContent = 'Listening test'; n@1141: } n@1141: // Insert the titleSpan element into the title div element. n@1141: title.appendChild(titleSpan); n@1141: n@1141: var pagetitle = document.createElement('div'); n@1141: pagetitle.className = "pageTitle"; n@1141: pagetitle.align = "center"; n@1141: var titleSpan = document.createElement('span'); n@1141: titleSpan.id = "pageTitle"; n@1141: pagetitle.appendChild(titleSpan); n@1141: n@1141: // Create Interface buttons! n@1141: var interfaceButtons = document.createElement('div'); n@1141: interfaceButtons.id = 'interface-buttons'; n@1141: interfaceButtons.style.height = '25px'; n@1141: n@1141: // Create playback start/stop points n@1141: var playback = document.createElement("button"); n@1141: playback.innerHTML = 'Stop'; n@1141: playback.id = 'playback-button'; n@1141: playback.style.float = 'left'; n@1141: // onclick function. Check if it is playing or not, call the correct function in the n@1141: // audioEngine, change the button text to reflect the next state. n@1141: playback.onclick = function() { n@1141: if (audioEngineContext.status == 1) { n@1141: audioEngineContext.stop(); n@1141: this.innerHTML = 'Stop'; n@1141: var time = audioEngineContext.timer.getTestTime(); n@1141: console.log('Stopped at ' + time); // DEBUG/SAFETY n@1141: } n@1141: }; n@1141: // Create Submit (save) button n@1141: var submit = document.createElement("button"); n@1141: submit.innerHTML = 'Submit'; n@1141: submit.onclick = buttonSubmitClick; n@1141: submit.id = 'submit-button'; n@1141: submit.style.float = 'left'; n@1141: // Append the interface buttons into the interfaceButtons object. n@1141: interfaceButtons.appendChild(playback); n@1141: interfaceButtons.appendChild(submit); n@1141: n@1141: // Create a slider box n@1141: var sliderBox = document.createElement('div'); n@1141: sliderBox.style.width = "100%"; n@1141: sliderBox.style.height = window.innerHeight - 200+12 + 'px'; n@1141: sliderBox.style.marginBottom = '10px'; n@1141: sliderBox.id = 'slider'; n@1141: var scaleHolder = document.createElement('div'); n@1141: scaleHolder.id = "scale-holder"; n@1141: sliderBox.appendChild(scaleHolder); n@1141: var scaleText = document.createElement('div'); n@1141: scaleText.id = "scale-text-holder"; n@1141: scaleHolder.appendChild(scaleText); n@1141: var scaleCanvas = document.createElement('canvas'); n@1141: scaleCanvas.id = "scale-canvas"; n@1141: scaleHolder.appendChild(scaleCanvas); n@1141: var sliderObjectHolder = document.createElement('div'); n@1141: sliderObjectHolder.id = 'slider-holder'; n@1141: sliderObjectHolder.align = "center"; n@1141: sliderBox.appendChild(sliderObjectHolder); n@1141: n@1141: // Global parent for the comment boxes on the page n@1141: var feedbackHolder = document.createElement('div'); n@1141: feedbackHolder.id = 'feedbackHolder'; n@1141: n@1141: testContent.style.zIndex = 1; n@1141: interfaceContext.insertPoint.innerHTML = null; // Clear the current schema n@1141: n@1141: // Inject into HTML n@1141: testContent.appendChild(title); // Insert the title n@1141: testContent.appendChild(pagetitle); n@1141: testContent.appendChild(interfaceButtons); n@1141: testContent.appendChild(sliderBox); n@1141: testContent.appendChild(feedbackHolder); n@1141: interfaceContext.insertPoint.appendChild(testContent); n@1141: n@1141: // Load the full interface n@1141: testState.initialise(); n@1141: testState.advanceState(); n@1141: } n@1141: n@1141: function loadTest(audioHolderObject) n@1141: { n@1141: var id = audioHolderObject.id; n@1141: n@1141: var feedbackHolder = document.getElementById('feedbackHolder'); n@1156: feedbackHolder.innerHTML = null; n@1141: var interfaceObj = audioHolderObject.interfaces; n@1141: if (interfaceObj.length > 1) n@1141: { n@1141: console.log("WARNING - This interface only supports one node per page. Using first interface node"); n@1141: } n@1141: interfaceObj = interfaceObj[0]; n@1141: if(interfaceObj.title != null) n@1141: { n@1141: document.getElementById("pageTitle").textContent = interfaceObj.title; n@1141: } n@1156: var interfaceOptions = specification.interfaces.options.concat(interfaceObj.options); n@1156: for (var option of interfaceOptions) n@1156: { n@1156: if (option.type == "show") n@1156: { n@1156: switch(option.name) { n@1156: case "playhead": n@1156: var playbackHolder = document.getElementById('playback-holder'); n@1156: if (playbackHolder == null) n@1156: { n@1156: playbackHolder = document.createElement('div'); n@1156: playbackHolder.style.width = "100%"; n@1156: playbackHolder.align = 'center'; n@1156: playbackHolder.appendChild(interfaceContext.playhead.object); n@1156: feedbackHolder.appendChild(playbackHolder); n@1156: } n@1156: break; n@1156: case "page-count": n@1156: var pagecountHolder = document.getElementById('page-count'); n@1156: if (pagecountHolder == null) n@1156: { n@1156: pagecountHolder = document.createElement('div'); n@1156: pagecountHolder.id = 'page-count'; n@1156: } n@1156: pagecountHolder.innerHTML = 'Page '+(audioHolderObject.presentedId+1)+' of '+specification.pages.length+''; n@1156: var inject = document.getElementById('interface-buttons'); n@1156: inject.appendChild(pagecountHolder); n@1156: break; n@1156: case "volume": n@1156: if (document.getElementById('master-volume-holder') == null) n@1156: { n@1156: feedbackHolder.appendChild(interfaceContext.volume.object); n@1156: } n@1156: break; n@1156: } n@1156: } n@1156: } n@1141: n@1141: // Delete outside reference n@1141: var outsideReferenceHolder = document.getElementById('outside-reference'); n@1141: if (outsideReferenceHolder != null) { n@1141: document.getElementById('interface-buttons').removeChild(outsideReferenceHolder); n@1141: } n@1141: n@1141: var sliderBox = document.getElementById('slider-holder'); n@1141: sliderBox.innerHTML = null; n@1141: n@1141: var commentBoxPrefix = "Comment on track"; n@1141: if (interfaceObj.commentBoxPrefix != undefined) { n@1141: commentBoxPrefix = interfaceObj.commentBoxPrefix; n@1141: } n@1141: var loopPlayback = audioHolderObject.loop; n@1141: n@1141: currentTestHolder = document.createElement('audioHolder'); n@1141: currentTestHolder.id = audioHolderObject.id; n@1141: currentTestHolder.repeatCount = audioHolderObject.repeatCount; n@1141: n@1141: // Find all the audioElements from the audioHolder n@1141: var label = 0; n@1141: $(audioHolderObject.audioElements).each(function(index,element){ n@1141: // Find URL of track n@1141: // In this jQuery loop, variable 'this' holds the current audioElement. n@1141: n@1141: var audioObject = audioEngineContext.newTrack(element); n@1141: if (element.type == 'outside-reference') n@1141: { n@1141: // Construct outside reference; n@1141: var orNode = new outsideReferenceDOM(audioObject,index,document.getElementById('interface-buttons')); n@1141: audioObject.bindInterface(orNode); n@1141: } else { n@1141: // Create a slider per track n@1142: var sliderObj = new sliderObject(audioObject,label); n@1141: n@1141: if (typeof audioHolderObject.initialPosition === "number") n@1141: { n@1141: // Set the values n@1142: sliderObj.slider.value = audioHolderObject.initalPosition; n@1141: } else { n@1141: // Distribute it randomnly n@1142: sliderObj.slider.value = Math.random(); n@1141: } n@1142: sliderBox.appendChild(sliderObj.holder); n@1142: audioObject.bindInterface(sliderObj); n@1116: interfaceContext.createCommentBox(audioObject); n@1141: label += 1; n@1141: } n@1141: n@1141: }); n@1199: n@1199: if (audioHolderObject.showElementComments) { n@1199: interfaceContext.showCommentBoxes(feedbackHolder,true); n@1199: } n@1199: n@1199: $(audioHolderObject.commentQuestions).each(function(index,element) { n@1199: var node = interfaceContext.createCommentQuestion(element); n@1199: feedbackHolder.appendChild(node.holder); n@1199: }); n@1141: n@1141: // Auto-align n@1141: resizeWindow(null); n@1141: } n@1141: n@1141: function sliderObject(audioObject,label) n@1141: { n@1141: // Constructs the slider object. We use the HTML5 slider object n@1141: this.parent = audioObject; n@1141: this.holder = document.createElement('div'); n@1141: this.title = document.createElement('span'); n@1141: this.slider = document.createElement('input'); n@1141: this.play = document.createElement('button'); n@1141: n@1141: this.holder.className = 'track-slider'; n@1141: this.holder.style.height = window.innerHeight-200 + 'px'; n@1141: this.holder.appendChild(this.title); n@1141: this.holder.appendChild(this.slider); n@1141: this.holder.appendChild(this.play); n@1141: this.holder.align = "center"; n@1143: if (label == 0) n@1141: { n@1141: this.holder.style.marginLeft = '0px'; n@1141: } n@1141: this.holder.setAttribute('trackIndex',audioObject.id); n@1141: n@1141: this.title.textContent = label; n@1141: this.title.style.width = "100%"; n@1141: this.title.style.float = "left"; n@1141: n@1141: this.slider.type = "range"; n@1141: this.slider.className = "track-slider-range track-slider-not-moved"; n@1141: this.slider.min = "0"; n@1141: this.slider.max = "1"; n@1141: this.slider.step = "0.01"; n@1141: this.slider.setAttribute('orient','vertical'); n@1141: this.slider.style.height = window.innerHeight-250 + 'px'; n@1141: this.slider.onchange = function() n@1141: { n@1141: var time = audioEngineContext.timer.getTestTime(); n@1141: var id = Number(this.parentNode.getAttribute('trackIndex')); n@1141: audioEngineContext.audioObjects[id].metric.moved(time,this.value); n@1141: console.log('slider '+id+' moved to '+this.value+' ('+time+')'); n@1141: $(this).removeClass('track-slider-not-moved'); n@1141: }; n@1141: n@1141: this.play.textContent = "Loading..."; n@1141: this.play.value = audioObject.id; n@1141: this.play.style.float = "left"; n@1141: this.play.style.width = "100%"; n@1141: this.play.disabled = true; n@1177: this.play.setAttribute("playstate","ready"); n@1141: this.play.onclick = function(event) n@1141: { n@1141: var id = Number(event.currentTarget.value); n@1141: //audioEngineContext.metric.sliderPlayed(id); n@1177: if (event.currentTarget.getAttribute("playstate") == "ready") n@1177: {audioEngineContext.play(id);} n@1177: else if (event.currentTarget.getAttribute("playstate") == "playing") n@1177: {audioEngineContext.stop();} n@1141: }; n@1141: n@1141: this.enable = function() { n@1141: this.play.disabled = false; n@1141: this.play.textContent = "Play"; n@1141: $(this.slider).removeClass('track-slider-disabled'); n@1141: }; n@1141: n@1141: this.exportXMLDOM = function(audioObject) { n@1141: // Called by the audioObject holding this element. Must be present n@1141: var node = storage.document.createElement('value'); n@1141: node.textContent = this.slider.value; n@1141: return node; n@1141: }; n@1160: this.startPlayback = function() n@1160: { n@1160: // Called when playback has begun n@1177: this.play.setAttribute("playstate","playing"); n@1160: $(".track-slider").removeClass('track-slider-playing'); n@1160: $(this.holder).addClass('track-slider-playing'); n@1160: var outsideReference = document.getElementById('outside-reference'); n@1160: if (outsideReference != null) { n@1160: $(outsideReference).removeClass('track-slider-playing'); n@1160: } n@1183: this.play.textContent = "Stop"; n@1160: }; n@1160: this.stopPlayback = function() n@1160: { n@1160: // Called when playback has stopped. This gets called even if playback never started! n@1177: this.play.setAttribute("playstate","ready"); n@1160: $(this.holder).removeClass('track-slider-playing'); n@1183: this.play.textContent = "Play"; n@1160: }; n@1141: this.getValue = function() { n@1141: return this.slider.value; n@1141: }; n@1141: n@1141: this.resize = function(event) n@1141: { n@1141: this.holder.style.height = window.innerHeight-200 + 'px'; n@1141: this.slider.style.height = window.innerHeight-250 + 'px'; n@1141: }; n@1141: this.updateLoading = function(progress) n@1141: { n@1141: progress = String(progress); n@1141: progress = progress.substr(0,5); n@1141: this.play.textContent = "Loading: "+progress+"%"; n@1141: }; n@1141: n@1141: if (this.parent.state == 1) n@1141: { n@1141: this.enable(); n@1141: } n@1141: this.getPresentedId = function() n@1141: { n@1141: return this.title.textContent; n@1141: }; n@1141: this.canMove = function() n@1141: { n@1141: return true; n@1141: }; n@1205: this.error = function() { n@1205: // audioObject has an error!! n@1205: this.playback.textContent = "Error"; n@1205: $(this.playback).addClass("error-colour"); n@1205: } n@1141: } n@1141: n@1141: function outsideReferenceDOM(audioObject,index,inject) n@1141: { n@1141: this.parent = audioObject; n@1141: this.outsideReferenceHolder = document.createElement('button'); n@1141: this.outsideReferenceHolder.id = 'outside-reference'; n@1141: this.outsideReferenceHolder.className = 'outside-reference'; n@1141: this.outsideReferenceHolder.setAttribute('track-id',index); n@1141: this.outsideReferenceHolder.textContent = "Play Reference"; n@1141: this.outsideReferenceHolder.disabled = true; n@1141: n@1141: this.outsideReferenceHolder.onclick = function(event) n@1141: { n@1141: audioEngineContext.play(event.currentTarget.getAttribute('track-id')); n@1141: }; n@1141: inject.appendChild(this.outsideReferenceHolder); n@1141: this.enable = function() n@1141: { n@1141: if (this.parent.state == 1) n@1141: { n@1141: this.outsideReferenceHolder.disabled = false; n@1141: } n@1141: }; n@1141: this.updateLoading = function(progress) n@1141: { n@1141: if (progress != 100) n@1141: { n@1141: progress = String(progress); n@1141: progress = progress.split('.')[0]; n@1141: this.outsideReferenceHolder[0].children[0].textContent = progress+'%'; n@1141: } else { n@1141: this.outsideReferenceHolder[0].children[0].textContent = "Play Reference"; n@1141: } n@1141: }; n@1160: this.startPlayback = function() n@1160: { n@1160: // Called when playback has begun n@1160: $('.track-slider').removeClass('track-slider-playing'); n@1160: $('.comment-div').removeClass('comment-box-playing'); n@1160: $(this.outsideReferenceHolder).addClass('track-slider-playing'); n@1160: }; n@1160: this.stopPlayback = function() n@1160: { n@1160: // Called when playback has stopped. This gets called even if playback never started! n@1160: $(this.outsideReferenceHolder).removeClass('track-slider-playing'); n@1160: }; n@1141: this.exportXMLDOM = function(audioObject) n@1141: { n@1141: return null; n@1141: }; n@1141: this.getValue = function() n@1141: { n@1141: return 0; n@1141: }; n@1141: this.getPresentedId = function() n@1141: { n@1141: return 'reference'; n@1141: }; n@1141: this.canMove = function() n@1141: { n@1141: return false; n@1141: }; n@1205: this.error = function() { n@1205: // audioObject has an error!! n@1205: this.outsideReferenceHolder.textContent = "Error"; n@1205: $(this.outsideReferenceHolder).addClass("error-colour"); n@1205: } n@1141: } n@1141: n@1141: function resizeWindow(event) n@1141: { n@1141: // Function called when the window has been resized. n@1141: // MANDATORY FUNCTION n@1141: n@1141: var outsideRef = document.getElementById('outside-reference'); n@1141: if(outsideRef != null) n@1141: { n@1141: outsideRef.style.left = (window.innerWidth-120)/2 + 'px'; n@1141: } n@1141: n@1141: // Auto-align n@1141: var numObj = document.getElementsByClassName('track-slider').length; n@1141: var totalWidth = (numObj-1)*150+100; n@1141: var diff = (window.innerWidth - totalWidth)/2; n@1141: document.getElementById('slider').style.height = window.innerHeight - 180 + 'px'; n@1141: if (diff <= 0){diff = 0;} n@1141: document.getElementById('slider-holder').style.marginLeft = diff + 'px'; n@1141: for (var i in audioEngineContext.audioObjects) n@1141: { n@1141: if (audioEngineContext.audioObjects[i].specification.type != 'outside-reference'){ n@1141: audioEngineContext.audioObjects[i].interfaceDOM.resize(event); n@1141: } n@1141: } n@1141: document.getElementById('scale-holder').style.marginLeft = (diff-100) + 'px'; n@1141: document.getElementById('scale-text-holder').style.height = window.innerHeight-194 + 'px'; n@1141: var canvas = document.getElementById('scale-canvas'); n@1141: canvas.width = totalWidth; n@1141: canvas.height = window.innerHeight-194; n@1141: drawScale(); n@1141: } n@1141: n@1141: function drawScale() n@1141: { n@1141: var interfaceObj = testState.currentStateMap.interfaces[0]; n@1141: var scales = testState.currentStateMap.interfaces[0].scales; n@1141: scales = scales.sort(function(a,b) { n@1141: return a.position - b.position; n@1141: }); n@1141: var canvas = document.getElementById('scale-canvas'); n@1141: var ctx = canvas.getContext("2d"); n@1141: var height = canvas.height; n@1141: var width = canvas.width; n@1141: var draw_heights = [24, height-34]; n@1141: var textHolder = document.getElementById('scale-text-holder'); n@1141: textHolder.innerHTML = null; n@1141: var lastHeight = 0; n@1141: for (var scale of scales) n@1141: { n@1141: var posPercent = scale.position / 100.0; n@1141: var posPix = (1-posPercent)*(draw_heights[1]-draw_heights[0])+draw_heights[0]; n@1141: ctx.fillStyle = "#000000"; n@1141: ctx.setLineDash([1,2]); n@1141: ctx.moveTo(0,posPix); n@1141: ctx.lineTo(width,posPix); n@1141: ctx.stroke(); n@1141: var text = document.createElement('div'); n@1141: text.align = "right"; n@1141: var textC = document.createElement('span'); n@1141: textC.textContent = scale.text; n@1141: text.appendChild(textC); n@1141: text.className = "scale-text"; n@1141: textHolder.appendChild(text); n@1141: text.style.top = (posPix-9) + 'px'; n@1141: text.style.left = 100 - ($(text).width()+3) + 'px'; n@1141: lastHeight = posPix; n@1141: } n@1141: } n@1141: n@1141: function buttonSubmitClick() // TODO: Only when all songs have been played! n@1141: { n@1141: var checks = []; n@1141: checks = checks.concat(testState.currentStateMap.interfaces[0].options); n@1141: checks = checks.concat(specification.interfaces.options); n@1141: var canContinue = true; n@1141: n@1141: // Check that the anchor and reference objects are correctly placed n@1141: if (interfaceContext.checkHiddenAnchor() == false) {return;} n@1141: if (interfaceContext.checkHiddenReference() == false) {return;} n@1141: n@1141: for (var i=0; i saves n@1141: // Get the current information in store (remember to appendChild your data to it) n@1141: // pageSpecification is the current page node configuration n@1141: // To create new XML nodes, use storage.document.createElement(); n@1141: }