var gStardate, gSDBase;
var gSounds = {};
+navigator.getUserMedia = (navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia);
+
window.onload = function() {
setTimeout(updateStardate, 0);
gSounds.scan = new Audio("sound/scan.opus");
gSounds.keyaction = new Audio("sound/key-action.opus");
gSounds.keypress = new Audio("sound/key-press.opus");
+ document.getElementById("fullScreenButton").addEventListener("click",
+ function(aEvent) { toggleFullscreen(); }, false);
+
+ var navItems = document.getElementById("navlist").children;
+ for (var i = 0; i <= navItems.length - 1; i++) {
+ navItems[i].addEventListener("click",
+ function(aEvent) {
+ switchModule(aEvent.target.id.replace("nav", ""));
+ }, false);
+ }
+
gSounds.launch.play();
window.addEventListener("beforeunload", function( event ) {
gSounds.shutdown.play();
}, false);
}
+window.onresize = function() {
+ if (document.getElementById("sectSound").classList.contains("active")) {
+ gModSound.resize();
+ }
+}
+
function updateStardate() {
+ // Stardate rules foggy at best. See http://en.wikipedia.org/wiki/Stardate
+ // and the Memory Alpha article linked there for more details.
+ // We roughly lean on TNG scale by splitting an Earth year into exactly 1000
+ // units, but we put the 0 point at the TV premiere of The Original Series.
if (!gStardate)
gStardate = document.getElementById("stardate");
var curDate = new Date();
+ // Star Trek famously premiered on Thursday, September 8, 1966, at 8:30 p.m.
+ // See http://www.startrek.com/article/what-if-the-original-star-trek-had-debuted-on-friday-nights
if (!gSDBase)
- gSDBase = new Date("September 8, 1966 20:00:00 EST");
+ gSDBase = new Date("September 8, 1966 20:30:00 EST");
var sdateval = (curDate - gSDBase) / (86400 * 365.2425);
gStardate.textContent = sdateval.toFixed(1);
}
}
-function switchModule(modname) {
+function switchModule(aModname) {
gSounds.keyaction.play();
var sections = document.getElementsByTagName('section');
for (var i = 0; i <= sections.length - 1; i++) {
navs[i].classList.remove("active");
}
- var navItem = document.getElementById("nav" + modname);
+ var navItem = document.getElementById("nav" + aModname);
navItem.classList.add("active");
- document.getElementById("sect" + modname).classList.add("active");
+ document.getElementById("sect" + aModname).classList.add("active");
document.getElementById("mainHeader").textContent =
- (modname == "Other") ? "Web Tricorder" : navItem.textContent;
+ (aModname == "Other") ? "Web Tricorder" : navItem.textContent;
- window["gMod" + modname].activate();
+ window["gMod" + aModname].activate();
}
var gModPos = {
},
}
+var gModSound = {
+ activate: function() {
+ //gSounds.scan.play();
+ if (navigator.getUserMedia && (window.AudioContext || window.webkitAudioContext)) {
+ document.getElementById("soundunavail").style.display = "none";
+ document.getElementById("soundavail").style.display = "block";
+ navigator.getUserMedia({ audio: true },
+ function(aLocalMediaStream) {
+ gModSound.mAudio.stream = aLocalMediaStream;
+ gModSound.mAudio.context = new (window.AudioContext || window.webkitAudioContext)();
+ gModSound.mAudio.input = gModSound.mAudio.context.createMediaStreamSource(gModSound.mAudio.stream);
+ // Could put a filter in between like in http://webaudioapi.com/samples/microphone/
+ gModSound.mDisplay.canvas = document.getElementById("soundcanvas");
+ gModSound.mDisplay.context = gModSound.mDisplay.canvas.getContext("2d");
+ gModSound.rebuildCanvas();
+ },
+ function(err) {
+ document.getElementById("soundunavail").style.display = "block";
+ document.getElementById("soundavail").style.display = "none";
+ console.log(err);
+ }
+ );
+ }
+ else {
+ document.getElementById("soundunavail").style.display = "block";
+ document.getElementById("soundavail").style.display = "none";
+ }
+ },
+ rebuildCanvas: function() {
+ if (gModSound.mDisplay.AFRequestID) {
+ window.cancelAnimationFrame(gModSound.mDisplay.AFRequestID);
+ gModSound.mDisplay.AFRequestID = 0;
+ }
+ gModSound.mDisplay.canvas.height = document.getElementById("soundavail").clientHeight - 4;
+ gModSound.mDisplay.canvas.width = document.getElementById("soundavail").clientWidth;
+ gModSound.mAudio.frequencySlices = (gModSound.mDisplay.canvas.width > 512) ?
+ 512 :
+ Math.pow(2, Math.floor(Math.log(gModSound.mDisplay.canvas.width) / Math.LN2));
+ //console.log("slices: " + gModSound.mAudio.frequencySlices);
+ gModSound.mAudio.analyzer = gModSound.mAudio.context.createAnalyser();
+ // Make the FFT four times as large as needed as the upper three quarters turn out to be useless.
+ gModSound.mAudio.analyzer.fftSize = gModSound.mAudio.frequencySlices * 4;
+ //console.log("FFT: " + gModSound.mAudio.analyzer.fftSize);
+ gModSound.mAudio.input.connect(gModSound.mAudio.analyzer);
+ gModSound.mDisplay.context.setTransform(1, 0, 0, -(gModSound.mDisplay.canvas.height/256), 0, gModSound.mDisplay.canvas.height);
+ gModSound.mDisplay.active = true;
+ gModSound.mDisplay.AFRequestID = window.requestAnimationFrame(gModSound.paintAnalyzerFrame);
+ },
+ mAudio: {
+ frequencySlices: 32, // Must be a multiple of 2 (see AnalyserNode.fftSize)
+ },
+ mDisplay: {
+ active: false,
+ },
+ paintAnalyzerFrame: function(aTimestamp) {
+ var data = new Uint8Array(gModSound.mAudio.frequencySlices);
+ gModSound.mAudio.analyzer.getByteFrequencyData(data);
+ gModSound.mDisplay.context.clearRect(0, 0, gModSound.mDisplay.canvas.width, gModSound.mDisplay.canvas.height);
+ // Out of experience, only the first half of the slices are actually useful.
+ var wid = gModSound.mDisplay.canvas.width / gModSound.mAudio.frequencySlices;
+ var fill = "#9C9CFF";
+ for (var i = 0; i < gModSound.mAudio.frequencySlices; ++i) {
+ var newFill = (data[i] > 200) ? "#FF0000" : ((data[i] > 100) ? "#FFCF00" : "#9C9CFF");
+ if (fill != newFill) { gModSound.mDisplay.context.fillStyle = newFill; fill = newFill; }
+ gModSound.mDisplay.context.fillRect(i*wid, 0, wid, data[i]);
+ }
+ if (gModSound.mDisplay.active)
+ gModSound.mDisplay.AFRequestID = window.requestAnimationFrame(gModSound.paintAnalyzerFrame);
+ },
+ resize: function() {
+ gModSound.rebuildCanvas();
+ },
+ deactivate: function() {
+ if (gModSound.mDisplay.active) {
+ gModSound.mAudio.stream.stop();
+ gModSound.mDisplay.active = false;
+ }
+ gSounds.scan.pause();
+ },
+}
+
+var gModEnv = {
+ activate: function() {
+ gSounds.scan.play();
+ document.getElementById("envunavail").style.display = "none";
+ document.getElementById("envavail").style.display = "block";
+ window.addEventListener("devicelight", this.lightEvent, true);
+ window.addEventListener("deviceproximity", this.proxEvent, true);
+ setTimeout(function() {
+ if ((document.getElementById("envLight").textContent == "...") &&
+ (document.getElementById("envDistance").textContent == "...")) {
+ gModEnv.deactivate();
+ }
+ }, 5000);
+ try {
+ var cameras = navigator.mozCameras.getListOfCameras();
+ for (i = 0; i < cameras.length; i++) {
+ var promise = navigator.mozCameras.getCamera(cameras[i], {},
+ function(aCamera) {
+ if (aCamera.capabilities.flashModes.indexOf('torch') !== -1) {
+ gModEnv.foundFlashCamera(aCamera);
+ }
+ },
+ function(aError) { console.log("camera error: " + aError); }
+ );
+ }
+ } catch (e) {
+ // camera api not supported
+ document.getElementById("envFlashUnavail").style.display = "block";
+ document.getElementById("envFlashAvail").style.display = "none";
+ }
+ },
+ foundFlashCamera(aCamera) {
+ this.flashCamera = aCamera;
+ document.getElementById("envFlashOn").onclick = function() { console.log("on"); gModEnv.switchFlashlight(true); };
+ document.getElementById("envFlashOff").onclick = function() { console.log("off"); gModEnv.switchFlashlight(false); };
+ document.getElementById("envFlashUnavail").style.display = "none";
+ document.getElementById("envFlashAvail").style.display = "block";
+ },
+ deactivate: function() {
+ gSounds.scan.pause();
+ window.removeEventListener("devicelight", this.lightEvent, true);
+ window.removeEventListener("deviceproximity", this.proxEvent, true);
+ document.getElementById("envunavail").style.display = "block";
+ document.getElementById("envavail").style.display = "none";
+ document.getElementById("envLight").textContent = "...";
+ document.getElementById("envDistance").textContent = "...";
+ },
+ lightEvent: function(lightData) {
+ // See http://www.w3.org/TR/ambient-light/
+ document.getElementById("envLight").textContent = lightData.value + " lux";
+ },
+ proxEvent: function(proxData) {
+ // See http://www.w3.org/TR/2012/WD-proximity-20120712/
+ if (proxData.value >= proxData.max) {
+ document.getElementById("envDistance").textContent = "(maximum, >= " + proxData.value + " cm)";
+ }
+ else if (proxData.value <= proxData.min) {
+ document.getElementById("envDistance").textContent = "(minimum, <= " + proxData.value + " cm)";
+ }
+ else {
+ document.getElementById("envDistance").textContent = proxData.value + " cm";
+ }
+ },
+ flashCamera: null,
+ switchFlashlight: function(aEnabled) {
+ if (this.flashCamera) {
+ this.flashCamera.flashMode = aEnabled ? 'torch' : 'off';
+ document.getElementById("envFlashOn").disabled = aEnabled;
+ document.getElementById("envFlashOff").disabled = !aEnabled;
+ }
+ }
+}
+
+var gModDev = {
+ activate: function() {
+ gSounds.scan.play();
+ this.batteryTimer =
+ setInterval(function () { gModDev.updateBattery(); }, 100);
+ },
+ deactivate: function() {
+ clearTimeout(this.batteryTimer);
+ gSounds.scan.pause();
+ },
+ updateBattery: function() {
+ document.getElementById("devBattLevel").textContent =
+ (navigator.battery.level * 100).toFixed(1) + "%";
+ if (navigator.battery.charging) {
+ if (navigator.battery.chargingTime == 0 ||
+ navigator.battery.chargingTime == Infinity) {
+ document.getElementById("devBattStatus").textContent = "charging";
+ }
+ else {
+ document.getElementById("devBattStatus").textContent =
+ "charging, " + navigator.battery.chargingTime + "s remaining";
+ }
+ }
+ else {
+ if (navigator.battery.dischargingTime == 0 ||
+ navigator.battery.dischargingTime == Infinity) {
+ document.getElementById("devBattStatus").textContent = "discharging";
+ }
+ else {
+ document.getElementById("devBattStatus").textContent =
+ navigator.battery.dischargingTime + "s usage remaining";
+ }
+ }
+ },
+ batteryTimer: null,
+}
+
var gModOther = {
activate: function() {
//gSounds.scan.play();
projects / tricorder.git / blobdiff