/toolkit/mozapps/update/nsUpdateServiceStub.js
http://github.com/zpao/v8monkey · JavaScript · 95 lines · 41 code · 8 blank · 46 comment · 1 complexity · bcace7fdde925afbe001b2ed1cfdbf70 MD5 · raw file
- /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- # ***** BEGIN LICENSE BLOCK *****
- # Version: MPL 1.1/GPL 2.0/LGPL 2.1
- #
- # The contents of this file are subject to the Mozilla Public License Version
- # 1.1 (the "License"); you may not use this file except in compliance with
- # the License. You may obtain a copy of the License at
- # http://www.mozilla.org/MPL/
- #
- # Software distributed under the License is distributed on an "AS IS" basis,
- # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- # for the specific language governing rights and limitations under the
- # License.
- #
- # The Original Code is the Update Service Stub.
- #
- # The Initial Developer of the Original Code is Mozilla Foundation
- # Portions created by the Initial Developer are Copyright (C) 2009
- # the Initial Developer. All Rights Reserved.
- #
- # Contributor(s):
- # Robert Strong <robert.bugzilla@gmail.com> (Original Author)
- #
- # Alternatively, the contents of this file may be used under the terms of
- # either the GNU General Public License Version 2 or later (the "GPL"), or
- # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- # in which case the provisions of the GPL or the LGPL are applicable instead
- # of those above. If you wish to allow use of your version of this file only
- # under the terms of either the GPL or the LGPL, and not to allow others to
- # use your version of this file under the terms of the MPL, indicate your
- # decision by deleting the provisions above and replace them with the notice
- # and other provisions required by the GPL or the LGPL. If you do not delete
- # the provisions above, a recipient may use your version of this file under
- # the terms of any one of the MPL, the GPL or the LGPL.
- #
- # ***** END LICENSE BLOCK ***** */
- */
- Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
- Components.utils.import("resource://gre/modules/FileUtils.jsm");
- const Ci = Components.interfaces;
- const DIR_UPDATES = "updates";
- const FILE_UPDATE_STATUS = "update.status";
- const KEY_APPDIR = "XCurProcD";
- #ifdef XP_WIN
- #define USE_UPDROOT
- #elifdef ANDROID
- #define USE_UPDROOT
- #endif
- #ifdef USE_UPDROOT
- const KEY_UPDROOT = "UpdRootD";
- #endif
- /**
- # 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) {
- #ifdef USE_UPDROOT
- try {
- let dir = FileUtils.getDir(KEY_UPDROOT, pathArray, false);
- return dir;
- } catch (e) {
- }
- #endif
- return FileUtils.getDir(KEY_APPDIR, 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 = Components.classes["@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])
- };
- var NSGetFactory = XPCOMUtils.generateNSGetFactory([UpdateServiceStub]);