do more correct indexedDB access

[lantea.git] / js / ui.js

diff --git a/js/ui.js b/js/ui.js
index 9dfcdc7d0b4362aa82ffe26d11c01dd9541f3458..7ed15e286fe8cabe54dd1c92cbb46a1a1cb78e5c 100644 (file)
--- a/js/ui.js
+++ b/js/ui.js
@@ -3,9 +3,12 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 // Get the best-available indexedDB object.
-var iDB = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB || window.msIndexedDB;
+window.indexedDB = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB || window.msIndexedDB;
 var mainDB;
 
+var gUIHideCountdown = 0;
+var gWaitCounter = 0;
+
 window.onload = function() {
   var mSel = document.getElementById("mapSelector");
   for (var mapStyle in gMapStyles) {
@@ -15,9 +18,46 @@ window.onload = function() {
     mSel.add(opt, null);
   }
 
+  var areas = document.getElementsByClassName('overlayArea');
+  for (var i = 0; i <= areas.length - 1; i++) {
+    areas[i].addEventListener("mouseup", uiEvHandler, false);
+    areas[i].addEventListener("mousemove", uiEvHandler, false);
+    areas[i].addEventListener("mousedown", uiEvHandler, false);
+    areas[i].addEventListener("mouseout", uiEvHandler, false);
+
+    areas[i].addEventListener("touchstart", uiEvHandler, false);
+    areas[i].addEventListener("touchmove", uiEvHandler, false);
+    areas[i].addEventListener("touchend", uiEvHandler, false);
+    areas[i].addEventListener("touchcancel", uiEvHandler, false);
+    areas[i].addEventListener("touchleave", uiEvHandler, false);
+  }
+
+  if (navigator.platform.length == "") {
+    // For Firefox OS, don't display the "save" button.
+    // Do this by setting the debugHide class for testing in debug mode.
+    document.getElementById("saveTrackButton").classList.add("debugHide");
+  }
+
   initDB();
   initMap();
-  resizeAndDraw();
+
+  var loopCnt = 0;
+  var waitForInitAndDraw = function() {
+    if ((gWaitCounter <= 0) || (loopCnt > 100)) {
+      if (gWaitCounter <= 0)
+        gWaitCounter = 0;
+      else
+        document.getElementById("debug").textContent = "Loading failed (waiting for init).";
+
+      gMapPrefsLoaded = true;
+      resizeAndDraw();
+      setTracking(document.getElementById("trackCheckbox"));
+    }
+    else
+      setTimeout(waitForInitAndDraw, 100);
+    loopCnt++;
+  };
+  waitForInitAndDraw();
 }
 
 window.onresize = function() {
@@ -26,7 +66,7 @@ window.onresize = function() {
 
 function initDB() {
   // Open DB.
-  var request = iDB.open("MainDB", 1);
+  var request = window.indexedDB.open("MainDB", 1);
   request.onerror = function(event) {
     // Errors can be handled here. Error codes explain in:
     // https://developer.mozilla.org/en/IndexedDB/IDBDatabaseException#Constants
@@ -52,10 +92,35 @@ function initDB() {
   };
 }
 
+function showUI() {
+  if (gUIHideCountdown <= 0) {
+    var areas = document.getElementsByClassName('overlayArea');
+    for (var i = 0; i <= areas.length - 1; i++) {
+      areas[i].classList.remove("hidden");
+    }
+    setTimeout(maybeHideUI, 1000);
+  }
+  gUIHideCountdown = 5;
+}
+
+function maybeHideUI() {
+  gUIHideCountdown--;
+  if (gUIHideCountdown <= 0) {
+    var areas = document.getElementsByClassName('overlayArea');
+    for (var i = 0; i <= areas.length - 1; i++) {
+      areas[i].classList.add("hidden");
+    }
+  }
+  else {
+    setTimeout(maybeHideUI, 1000);
+  }
+}
+
 function toggleTrackArea() {
   var fs = document.getElementById("trackArea");
   if (fs.style.display != "block") {
     fs.style.display = "block";
+    showUI();
   }
   else {
     fs.style.display = "none";
@@ -66,12 +131,54 @@ function toggleSettings() {
   var fs = document.getElementById("settingsArea");
   if (fs.style.display != "block") {
     fs.style.display = "block";
+    showUI();
   }
   else {
     fs.style.display = "none";
   }
 }
 
+function toggleFullscreen() {
+  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();
+    }
+  }
+}
+
+var uiEvHandler = {
+  handleEvent: function(aEvent) {
+    var touchEvent = aEvent.type.indexOf('touch') != -1;
+
+    switch (aEvent.type) {
+      case "mousedown":
+      case "touchstart":
+      case "mousemove":
+      case "touchmove":
+      case "mouseup":
+      case "touchend":
+        showUI();
+        break;
+    }
+  }
+};
+
 function makeISOString(aTimestamp) {
   // ISO time format is YYYY-MM-DDTHH:mm:ssZ
   var tsDate = new Date(aTimestamp);
@@ -105,11 +212,19 @@ function saveTrack() {
     out += '    </trkseg>' + "\n";
     out += '  </trk>' + "\n";
     out += '</gpx>' + "\n";
-    var outDataURI = "data:application/octet-stream," + encodeURIComponent(out);
+    var outDataURI = "data:application/gpx+xml," + encodeURIComponent(out);
     window.open(outDataURI, 'GPX Track');
   }
 }
 
+function saveTrackDump() {
+  if (gTrack.length) {
+    var out = JSON.stringify(gTrack);
+    var outDataURI = "data:application/json," + encodeURIComponent(out);
+    window.open(outDataURI, 'JSON dump');
+  }
+}
+
 var gPrefs = {
   objStore: "prefs",
 
@@ -131,8 +246,7 @@ var gPrefs = {
     if (!mainDB)
       return;
     var success = false;
-    var transaction = mainDB.transaction([this.objStore],
-                                         IDBTransaction.READ_WRITE);
+    var transaction = mainDB.transaction([this.objStore], "readwrite");
     var objStore = transaction.objectStore(this.objStore);
     var request = objStore.put(aValue, aKey);
     request.onsuccess = function(event) {
@@ -151,8 +265,7 @@ var gPrefs = {
     if (!mainDB)
       return;
     var success = false;
-    var transaction = mainDB.transaction([this.objStore],
-                                         IDBTransaction.READ_WRITE);
+    var transaction = mainDB.transaction([this.objStore], "readwrite");
     var request = transaction.objectStore(this.objStore).delete(aKey);
     request.onsuccess = function(event) {
       success = true;
@@ -198,8 +311,7 @@ var gTrackStore = {
   push: function(aValue, aCallback) {
     if (!mainDB)
       return;
-    var transaction = mainDB.transaction([this.objStore],
-                                         IDBTransaction.READ_WRITE);
+    var transaction = mainDB.transaction([this.objStore], "readwrite");
     var objStore = transaction.objectStore(this.objStore);
     var request = objStore.add(aValue);
     request.onsuccess = function(event) {
@@ -217,8 +329,7 @@ var gTrackStore = {
     if (!mainDB)
       return;
     var success = false;
-    var transaction = mainDB.transaction([this.objStore],
-                                         IDBTransaction.READ_WRITE);
+    var transaction = mainDB.transaction([this.objStore], "readwrite");
     var request = transaction.objectStore(this.objStore).clear();
     request.onsuccess = function(event) {
       success = true;