1 files changed, 45 insertions, 0 deletions
diff --git a/toolkit/mozapps/update/nsUpdateServiceStub.js b/toolkit/mozapps/update/nsUpdateServiceStub.js
new file mode 100644
index 000000000..dbb841b84
--- /dev/null
+++ b/toolkit/mozapps/update/nsUpdateServiceStub.js
@@ -0,0 +1,45 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
+Cu.import("resource://gre/modules/FileUtils.jsm", this);
+
+const DIR_UPDATES         = "updates";
+const FILE_UPDATE_STATUS  = "update.status";
+
+const KEY_UPDROOT         = "UpdRootD";
+
+/**
+ * Gets the specified directory at the specified hierarchy under the update root
+ * directory without creating it if it doesn't exist.
+ * @param   pathArray
+ *          An array of path components to locate beneath the directory
+ *          specified by |key|
+ * @return  nsIFile object for the location specified.
+ */
+function getUpdateDirNoCreate(pathArray) {
+  return FileUtils.getDir(KEY_UPDROOT, pathArray, false);
+}
+
+function UpdateServiceStub() {
+  let statusFile = getUpdateDirNoCreate([DIR_UPDATES, "0"]);
+  statusFile.append(FILE_UPDATE_STATUS);
+  // If the update.status file exists then initiate post update processing.
+  if (statusFile.exists()) {
+    let aus = Cc["@mozilla.org/updates/update-service;1"].
+              getService(Ci.nsIApplicationUpdateService).
+              QueryInterface(Ci.nsIObserver);
+    aus.observe(null, "post-update-processing", "");
+  }
+}
+UpdateServiceStub.prototype = {
+  observe: function() {},
+  classID: Components.ID("{e43b0010-04ba-4da6-b523-1f92580bc150}"),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([UpdateServiceStub]);