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.launch.play();
- window.addEventListener("beforeunload", function( event ) {
- gSounds.shutdown.play();
- }, false);
+ window.addEventListener("beforeunload",
+ function(aEvent) { 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");
document.getElementById("posunavail").style.display = "none";
document.getElementById("posavail").style.display = "block";
this.watchID = navigator.geolocation.watchPosition(
- function(position) {
+ function(aPosition) {
document.getElementById("posLat").textContent =
- position.coords.latitude + "°";
+ aPosition.coords.latitude + "°";
document.getElementById("posLong").textContent =
- position.coords.longitude + "°";
+ aPosition.coords.longitude + "°";
document.getElementById("posAlt").textContent =
- position.coords.altitude.toFixed(0) + " m";
+ aPosition.coords.altitude.toFixed(0) + " m";
document.getElementById("posAcc").textContent =
- position.coords.accuracy.toFixed(0) + " m";
+ aPosition.coords.accuracy.toFixed(0) + " m";
document.getElementById("posAltAcc").textContent =
- position.coords.altitudeAccuracy.toFixed(0) + " m";
+ aPosition.coords.altitudeAccuracy.toFixed(0) + " m";
document.getElementById("posHead").textContent =
- position.coords.heading ? position.coords.heading.toFixed(0) + "°" : "---";
+ aPosition.coords.heading ? aPosition.coords.heading.toFixed(0) + "°" : "---";
document.getElementById("posSpd").textContent =
- position.coords.speed ? position.coords.speed.toFixed(1) + " m/s" : "---";
- var locTime = new Date(position.timestamp);
+ aPosition.coords.speed ? aPosition.coords.speed.toFixed(1) + " m/s" : "---";
+ var locTime = new Date(aPosition.timestamp);
document.getElementById("posTime").textContent = locTime.toISOString();
},
- function(error) {
+ function(aError) {
// See https://developer.mozilla.org/en/Using_geolocation#Handling_errors
- if (error.message) {
- document.getElementById("posLat").textContent = error.message;
+ if (aError.message) {
+ document.getElementById("posLat").textContent = aError.message;
document.getElementById("posLong").textContent = "...";
document.getElementById("posAlt").textContent = "...";
document.getElementById("posAcc").textContent = "...";
document.getElementById("gravZ").textContent = "...";
//document.getElementById("gravRot").textContent = "...";
},
- orientEvent: function(orientData) {
- //document.getElementById("gravAbs").textContent = orientData.absolute;
- document.getElementById("gravAlpha").textContent = orientData.alpha.toFixed(1) + "°";
- document.getElementById("gravBeta").textContent = orientData.beta.toFixed(1) + "°";
- document.getElementById("gravGamma").textContent = orientData.gamma.toFixed(1) + "°";
+ orientEvent: function(aOrientData) {
+ //document.getElementById("gravAbs").textContent = aOrientData.absolute;
+ document.getElementById("gravAlpha").textContent =
+ aOrientData.alpha.toFixed(1) + "°";
+ document.getElementById("gravBeta").textContent =
+ aOrientData.beta.toFixed(1) + "°";
+ document.getElementById("gravGamma").textContent =
+ aOrientData.gamma.toFixed(1) + "°";
},
- motionEvent: function(event) {
- var gravTotal =
- Math.sqrt(Math.pow(event.accelerationIncludingGravity.x, 2) +
- Math.pow(event.accelerationIncludingGravity.y, 2) +
- Math.pow(event.accelerationIncludingGravity.z, 2));
- document.getElementById("gravTotal").textContent = gravTotal.toFixed(2) + " m/s²";
- document.getElementById("gravX").textContent = event.accelerationIncludingGravity.x.toFixed(2) + " m/s²";
- document.getElementById("gravY").textContent = event.accelerationIncludingGravity.y.toFixed(2) + " m/s²";
- document.getElementById("gravZ").textContent = event.accelerationIncludingGravity.z.toFixed(2) + " m/s²";
- //document.getElementById("gravRot").textContent = event.rotationRate;
+ motionEvent: function(aEvent) {
+ var gravTotal =
+ Math.sqrt(Math.pow(aEvent.accelerationIncludingGravity.x, 2) +
+ Math.pow(aEvent.accelerationIncludingGravity.y, 2) +
+ Math.pow(aEvent.accelerationIncludingGravity.z, 2));
+ document.getElementById("gravTotal").textContent =
+ gravTotal.toFixed(2) + " m/s²";
+ document.getElementById("gravX").textContent =
+ aEvent.accelerationIncludingGravity.x.toFixed(2) + " m/s²";
+ document.getElementById("gravY").textContent =
+ aEvent.accelerationIncludingGravity.y.toFixed(2) + " m/s²";
+ document.getElementById("gravZ").textContent =
+ aEvent.accelerationIncludingGravity.z.toFixed(2) + " m/s²";
+ //document.getElementById("gravRot").textContent = aEvent.rotationRate;
},
}
+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(aError) {
+ document.getElementById("soundunavail").style.display = "block";
+ document.getElementById("soundavail").style.display = "none";
+ console.log(aError);
+ }
+ );
+ }
+ 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: function(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(aLightData) {
+ // See http://www.w3.org/TR/ambient-light/
+ document.getElementById("envLight").textContent = aLightData.value + " lux";
+ },
+ proxEvent: function(aProxData) {
+ // See http://www.w3.org/TR/2012/WD-proximity-20120712/
+ if (aProxData.value >= aProxData.max) {
+ document.getElementById("envDistance").textContent =
+ "(maximum, >= " + aProxData.value + " cm)";
+ }
+ else if (aProxData.value <= aProxData.min) {
+ document.getElementById("envDistance").textContent =
+ "(minimum, <= " + aProxData.value + " cm)";
+ }
+ else {
+ document.getElementById("envDistance").textContent =
+ aProxData.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() {
document.getElementById("devBattStatus").textContent = "charging";
}
else {
- document.getElementById("devBattStatus").textContent =
+ document.getElementById("devBattStatus").textContent =
"charging, " + navigator.battery.chargingTime + "s remaining";
}
}
document.getElementById("devBattStatus").textContent = "discharging";
}
else {
- document.getElementById("devBattStatus").textContent =
+ document.getElementById("devBattStatus").textContent =
navigator.battery.dischargingTime + "s usage remaining";
}
}
batteryTimer: null,
}
-var gModSound = {
- activate: function() {
- //gSounds.scan.play();
- },
- // getUserMedia ("WebRTC") + MediaElementAudioSourceNode (WebAudio)
- deactivate: function() {
- gSounds.scan.pause();
- },
-}
-
var gModOther = {
activate: function() {
//gSounds.scan.play();