add comments for stardate and revise it by 30min to be more accurate

[tricorder.git] / js / tricorder.js

diff --git a/js/tricorder.js b/js/tricorder.js
index 2debeec9964f1d1d2c0acd9cab1a0f9895f8b33b..2574b01f6fb7e334618e130079fa19b991ddb7bc 100644 (file)
--- a/js/tricorder.js
+++ b/js/tricorder.js
@@ -14,6 +14,17 @@ window.onload = function() {
   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();
@@ -21,13 +32,20 @@ window.onload = function() {
 }
 
 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();
 
   if (!gSDBase)
-    gSDBase = new Date("September 8, 1966 20:00:00 EST");
+    // Star Trek premiered on Thursday, September 8, 1966, at 7:30PM or 8:30PM
+    // depending on time zone in the United States.
+    // See http://www.startrek.com/article/star-trek-and-newspapers-part-2
+    gSDBase = new Date("September 8, 1966 19:30:00 EST");
 
   var sdateval = (curDate - gSDBase) / (86400 * 365.2425);
   gStardate.textContent = sdateval.toFixed(1);
@@ -60,7 +78,7 @@ function toggleFullscreen() {
   }
 }
 
-function switchModule(modname) {
+function switchModule(aModname) {
   gSounds.keyaction.play();
   var sections = document.getElementsByTagName('section');
   for (var i = 0; i <= sections.length - 1; i++) {
@@ -74,10 +92,13 @@ function switchModule(modname) {
     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" + modname].activate();
+  window["gMod" + aModname].activate();
 }
 
 var gModPos = {
@@ -116,13 +137,15 @@ var gModPos = {
             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}
+        {enableHighAccuracy: true, maximumAge: 10000, timeout: 60000}
       );
     }
     else {
@@ -198,6 +221,53 @@ var gModGrav = {
   },
 }
 
+
+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 gModNull = {
+  activate: function() {
+    //gSounds.scan.play();
+  },
+  deactivate: function() {
+    gSounds.scan.pause();
+  },
+}
+
 var gModOther = {
   activate: function() {
     //gSounds.scan.play();