X-Git-Url: https://git-public.kairo.at/?p=tricorder.git;a=blobdiff_plain;f=js%2Ftricorder.js;h=de33ae3a630e2c2eed70a95e946c314aea24b8fd;hp=c1b61e7c389bd991a2229cae0eb8b8a8f040b0e5;hb=bdfbab86ab3c17a41ab88de60a69427738661392;hpb=eabed1a435fb1ea52f189b7b0433bdb640a29137

diff --git a/js/tricorder.js b/js/tricorder.js
index c1b61e7..de33ae3 100644
--- a/js/tricorder.js
+++ b/js/tricorder.js
@@ -3,9 +3,40 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 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.scan.loop = true;
+  gSounds.launch = new Audio("sound/launch.opus");
+  gSounds.shutdown = new Audio("sound/shutdown.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() {
@@ -14,8 +45,10 @@ function updateStardate() {
 
   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);
@@ -23,16 +56,306 @@ function updateStardate() {
   setTimeout(updateStardate, 5*60*1000);
 }
 
-function switchModule(modname) {
+function toggleFullscreen() {
+  gSounds.keyaction.play();
+  if ((document.fullScreenElement && document.fullScreenElement !== null) ||
+      (document.mozFullScreenElement && document.mozFullScreenElement !== null) ||
+      (document.webkitFullScreenElement && document.webkitFullScreenElement !== null)) {
+    if (document.cancelFullScreen) {
+      document.cancelFullScreen();
+    } else if (document.mozCancelFullScreen) {
+      document.mozCancelFullScreen();
+    } else if (document.webkitCancelFullScreen) {
+      document.webkitCancelFullScreen();
+    }
+  }
+  else {
+    var elem = document.getElementById("body");
+    if (elem.requestFullScreen) {
+      elem.requestFullScreen();
+    } else if (elem.mozRequestFullScreen) {
+      elem.mozRequestFullScreen();
+    } else if (elem.webkitRequestFullScreen) {
+      elem.webkitRequestFullScreen();
+    }
+  }
+}
+
+function switchModule(aModname) {
+  gSounds.keyaction.play();
   var sections = document.getElementsByTagName('section');
   for (var i = 0; i <= sections.length - 1; i++) {
-    sections[i].classList.remove("active");
+    if (sections[i].classList.contains("active")) {
+      window["gMod" + sections[i].id.replace("sect", "")].deactivate();
+      sections[i].classList.remove("active");
+    }
   }
   var navs = document.getElementById('navlist').children;
   for (var i = 0; i <= navs.length - 1; i++) {
     navs[i].classList.remove("active");
   }
 
-  document.getElementById("nav" + modname).classList.add("active");
-  document.getElementById("sect" + modname).classList.add("active");
+  var navItem = document.getElementById("nav" + aModname);
+  navItem.classList.add("active");
+  document.getElementById("sect" + aModname).classList.add("active");
+  document.getElementById("mainHeader").textContent =
+      (aModname == "Other") ? "Web Tricorder" : navItem.textContent;
+
+  window["gMod" + aModname].activate();
+}
+
+var gModPos = {
+  activate: function() {
+    if (navigator.geolocation) {
+      gSounds.scan.play();
+      document.getElementById("posunavail").style.display = "none";
+      document.getElementById("posavail").style.display = "block";
+      this.watchID = navigator.geolocation.watchPosition(
+        function(position) {
+           document.getElementById("posLat").textContent =
+               position.coords.latitude + "°";
+           document.getElementById("posLong").textContent =
+               position.coords.longitude + "°";
+           document.getElementById("posAlt").textContent =
+               position.coords.altitude.toFixed(0) + " m";
+           document.getElementById("posAcc").textContent =
+               position.coords.accuracy.toFixed(0) + " m";
+           document.getElementById("posAltAcc").textContent =
+               position.coords.altitudeAccuracy.toFixed(0) + " m";
+           document.getElementById("posHead").textContent =
+               position.coords.heading ? position.coords.heading.toFixed(0) + "°" : "---";
+           document.getElementById("posSpd").textContent =
+               position.coords.speed ? position.coords.speed.toFixed(1) + " m/s" : "---";
+           var locTime = new Date(position.timestamp);
+           document.getElementById("posTime").textContent = locTime.toISOString();
+        },
+        function(error) {
+          // See https://developer.mozilla.org/en/Using_geolocation#Handling_errors
+          if (error.message) {
+            document.getElementById("posLat").textContent = error.message;
+            document.getElementById("posLong").textContent = "...";
+            document.getElementById("posAlt").textContent = "...";
+            document.getElementById("posAcc").textContent = "...";
+            document.getElementById("posAltAcc").textContent = "...";
+            document.getElementById("posHead").textContent = "...";
+            document.getElementById("posSpd").textContent = "...";
+            document.getElementById("posTime").textContent = "...";
+            setTimeout(function() { gModPos.deactivate(); }, 5000);
+          }
+          else {
+            document.getElementById("posunavail").style.display = "block";
+            document.getElementById("posavail").style.display = "none";
+          }
+          gSounds.scan.pause();
+        },
+        {enableHighAccuracy: true, maximumAge: 10000, timeout: 60000}
+      );
+    }
+    else {
+      document.getElementById("posunavail").style.display = "block";
+      document.getElementById("posavail").style.display = "none";
+    }
+  },
+  deactivate: function() {
+    gSounds.scan.pause();
+    if (this.watchID) {
+      navigator.geolocation.clearWatch(this.watchID);
+    }
+    document.getElementById("posunavail").style.display = "block";
+    document.getElementById("posavail").style.display = "none";
+    document.getElementById("posLat").textContent = "...";
+    document.getElementById("posLong").textContent = "...";
+    document.getElementById("posAlt").textContent = "...";
+    document.getElementById("posAcc").textContent = "...";
+    document.getElementById("posAltAcc").textContent = "...";
+    document.getElementById("posHead").textContent = "...";
+    document.getElementById("posSpd").textContent = "...";
+    document.getElementById("posTime").textContent = "...";
+  },
+  watchID: null,
+}
+
+var gModGrav = {
+  activate: function() {
+    gSounds.scan.play();
+    document.getElementById("gravunavail").style.display = "none";
+    document.getElementById("gravavail").style.display = "block";
+    window.addEventListener("deviceorientation", this.orientEvent, true);
+    window.addEventListener("devicemotion", this.motionEvent, true);
+    setTimeout(function() {
+      if ((document.getElementById("gravAlpha").textContent == "...") &&
+          (document.getElementById("gravX").textContent == "...")) {
+        gModGrav.deactivate();
+      }
+    }, 3000);
+  },
+  deactivate: function() {
+    gSounds.scan.pause();
+    window.removeEventListener("deviceorientation", this.orientEvent, true);
+    window.removeEventListener("devicemotion", this.motionEvent, true);
+    document.getElementById("gravunavail").style.display = "block";
+    document.getElementById("gravavail").style.display = "none";
+    //document.getElementById("gravAbs").textContent = "...";
+    document.getElementById("gravAlpha").textContent = "...";
+    document.getElementById("gravBeta").textContent = "...";
+    document.getElementById("gravGamma").textContent = "...";
+    document.getElementById("gravTotal").textContent = "...";
+    document.getElementById("gravX").textContent = "...";
+    document.getElementById("gravY").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) + "°";
+  },
+  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;
+  },
+}
+
+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 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();
+  },
+  deactivate: function() {
+    gSounds.scan.pause();
+  },
+}
+
+var gModNull = {
+  activate: function() {
+    //gSounds.scan.play();
+  },
+  deactivate: function() {
+    gSounds.scan.pause();
+  },
 }