X-Git-Url: https://git-public.kairo.at/?p=lantea.git;a=blobdiff_plain;f=js%2Fui.js;h=f2501cf507501a2fb5566c3b6402d8257aaf755a;hp=e347b99842732bcf3b1540e8308228acf44fe4db;hb=a8634d376327635d475798e7cfbc5b3630935f18;hpb=4b1d0915c90afdb6ca77be1dc721cc4ccec5cf0c

diff --git a/js/ui.js b/js/ui.js
index e347b99..f2501cf 100644
--- a/js/ui.js
+++ b/js/ui.js
@@ -3,7 +3,7 @@
  * 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;
@@ -47,7 +47,7 @@ window.onload = function() {
       if (gWaitCounter <= 0)
         gWaitCounter = 0;
       else
-        document.getElementById("debug").textContent = "Loading prefs failed.";
+        document.getElementById("debug").textContent = "Loading failed (waiting for init).";
 
       gMapPrefsLoaded = true;
       resizeAndDraw();
@@ -66,7 +66,7 @@ window.onresize = function() {
 
 function initDB() {
   // Open DB.
-  var request = iDB.open("MainDB", 1);
+  var request = window.indexedDB.open("MainDB", 4);
   request.onerror = function(event) {
     // Errors can be handled here. Error codes explain in:
     // https://developer.mozilla.org/en/IndexedDB/IDBDatabaseException#Constants
@@ -80,10 +80,17 @@ function initDB() {
   request.onupgradeneeded = function(event) {
     mainDB = request.result;
     //document.getElementById("debug").textContent = "mainDB upgraded.";
-    // Create a "prefs" objectStore.
-    var prefsStore = mainDB.createObjectStore("prefs");
-    // Create a "track" objectStore.
-    var trackStore = mainDB.createObjectStore("track", {autoIncrement: true});
+    var ver = mainDB.version || 0; // version is empty string for a new DB
+    if (ver <= 1) {
+      // Create a "prefs" objectStore.
+      var prefsStore = mainDB.createObjectStore("prefs");
+      // Create a "track" objectStore.
+      var trackStore = mainDB.createObjectStore("track", {autoIncrement: true});
+    }
+    if (ver <= 4) {
+      // Create a "tilecache" objectStore.
+      var tilecacheStore = mainDB.createObjectStore("tilecache");
+    }
     mainDB.onversionchange = function(event) {
       mainDB.close();
       mainDB = undefined;