Changeset 21042 for lang/javascript/Grease

Timestamp:

10/09/08 17:14:31 (3 months ago)

Author:

liosk

Message:

javascript/Grease: Modified Grease.ManagedStore?, Grease.Db.

Files:

• lang/javascript/Grease/trunk/grease.js (modified) (7 diffs)

lang/javascript/Grease/trunk/grease.js

@@ -17 +17 @@
 var ManagedStore = this.ManagedStore = {
   /**
-   * @var GearsLocalServer
-   */
-  ls: factory.create('beta.localserver'),
-  /**
    * Creates (or opens) managed resource store.
    * @param string name
@@ -27 +23 @@
    */
   create: function() {
-    var store = this.ls.createManagedStore.apply(this.ls, arguments);
-    return this.extend(store);
+    var ls = factory.create('beta.localserver');
+    return this.extend(ls.createManagedStore.apply(ls, arguments));
   },
   /**
@@ -36 +32 @@
    */
   remove: function() {
-    this.ls.removeManagedStore.apply(this.ls, arguments);
+    var ls = factory.create('beta.localserver');
+    ls.removeManagedStore.apply(ls, arguments);
   },
   /**
@@ -52 +49 @@
     /**
      * A handy method to get/set manifestUrl.
+     * @param string url (optional)
+     * @return string|GearsManagedResourceStore
      */
     manifest: function(url) {
@@ -60 +59 @@
         return this;
       }
+    },
+    /**
+     * Checks for update and calls back on complete/error.
+     * @param string url (optional) The URL of manifest file.
+     * @param object options (optional) { oncomplete: callback, onerror: callback }
+     * @return GearsManagedResourceStore Fluent interface.
+     */
+    update: function(url, options) {
+      var store = this, oldVersion = store.currentVersion;
+      store.manifest(url);
+      store.checkForUpdate();
+
+      // emulate events
+      if (options) {
+        var timer = window.setInterval(function() {
+          if (store.updateStatus == 0) {
+            window.clearInterval(timer);
+            if (options.oncomplete) {
+              var newVersion = store.currentVersion;
+              options.oncomplete({ newVersion: (oldVersion != newVersion) ? newVersion : '' });
+            }
+          } else if (store.updateStatus == 3) {
+            window.clearInterval(timer);
+            if (options.onerror) {
+              options.onerror({ message: store.lastErrorMessage });
+            }
+          }
+        }, 500);
+      }
+
+      return this;
     }
   }
@@ -71 +101 @@
 var Db = this.Db = {
   /**
-   * Opens database.
+   * Creates database object.
    * @param string name Database name.
    * @return GearsDatabase Extended GearsDatabase object.
    */
-  open: function(name) {
+  create: function(name) {
     var db = factory.create('beta.database');
     db.open(name);
@@ -231 +261 @@
  */
 Db.Table = function(db, table, primary) {
-  this.db      = Db[(typeof db == 'string') ? 'open' : 'extend'](db);
+  this.db      = Db[(typeof db == 'string') ? 'create' : 'extend'](db);
   this.table   = '"' + table + '"';
   this.primary = '"' + primary + '"';