adjust Stardate slightly and add a comment for the source; rename one redundant gModN...
[tricorder.git] / js / tricorder.js
index b04ac1292a61e72209bbf30be86ae3eb537bdb4e..28852a02b72c504475529d29f8bf298ec1e79ca2 100644 (file)
@@ -3,9 +3,32 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 var gStardate, gSDBase;
+var gSounds = {};
 
 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);
 }
 
 function updateStardate() {
@@ -14,11 +37,247 @@ 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);
 
   setTimeout(updateStardate, 5*60*1000);
-}
\ No newline at end of file
+}
+
+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++) {
+    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");
+  }
+
+  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 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 gModSound = {
+  activate: function() {
+    //gSounds.scan.play();
+  },
+  // getUserMedia ("WebRTC") + MediaElementAudioSourceNode (WebAudio)
+  deactivate: function() {
+    gSounds.scan.pause();
+  },
+}
+
+var gModOther = {
+  activate: function() {
+    //gSounds.scan.play();
+  },
+  deactivate: function() {
+    gSounds.scan.pause();
+  },
+}
+
+var gModNull = {
+  activate: function() {
+    //gSounds.scan.play();
+  },
+  deactivate: function() {
+    gSounds.scan.pause();
+  },
+}