1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/importer/firefox_profile_lock.h"
6
7#include "base/file_path.h"
8#include "base/threading/thread_restrictions.h"
9
10// This class is based on Firefox code in:
11//   profile/dirserviceprovider/src/nsProfileLock.cpp
12// The license block is:
13
14/* ***** BEGIN LICENSE BLOCK *****
15* Version: MPL 1.1/GPL 2.0/LGPL 2.1
16*
17* The contents of this file are subject to the Mozilla Public License Version
18* 1.1 (the "License"); you may not use this file except in compliance with
19* the License. You may obtain a copy of the License at
20* http://www.mozilla.org/MPL/
21*
22* Software distributed under the License is distributed on an "AS IS" basis,
23* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
24* for the specific language governing rights and limitations under the
25* License.
26*
27* The Original Code is mozilla.org code.
28*
29* The Initial Developer of the Original Code is
30* Netscape Communications Corporation.
31* Portions created by the Initial Developer are Copyright (C) 2002
32* the Initial Developer. All Rights Reserved.
33*
34* Contributor(s):
35*   Conrad Carlen <ccarlen@netscape.com>
36*   Brendan Eich <brendan@mozilla.org>
37*   Colin Blake <colin@theblakes.com>
38*   Javier Pedemonte <pedemont@us.ibm.com>
39*   Mats Palmgren <mats.palmgren@bredband.net>
40*
41* Alternatively, the contents of this file may be used under the terms of
42* either the GNU General Public License Version 2 or later (the "GPL"), or
43* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
44* in which case the provisions of the GPL or the LGPL are applicable instead
45* of those above. If you wish to allow use of your version of this file only
46* under the terms of either the GPL or the LGPL, and not to allow others to
47* use your version of this file under the terms of the MPL, indicate your
48* decision by deleting the provisions above and replace them with the notice
49* and other provisions required by the GPL or the LGPL. If you do not delete
50* the provisions above, a recipient may use your version of this file under
51* the terms of any one of the MPL, the GPL or the LGPL.
52*
53* ***** END LICENSE BLOCK ***** */
54
55// static
56#if defined(OS_MACOSX)
57const FilePath::CharType* FirefoxProfileLock::kLockFileName =
58    FILE_PATH_LITERAL(".parentlock");
59const FilePath::CharType* FirefoxProfileLock::kOldLockFileName =
60    FILE_PATH_LITERAL("parent.lock");
61#elif defined(OS_POSIX)
62// http://www.google.com/codesearch/p?hl=en#e_ObwTAVPyo/profile/dirserviceprovider/src/nsProfileLock.cpp&l=433
63const FilePath::CharType* FirefoxProfileLock::kLockFileName =
64    FILE_PATH_LITERAL(".parentlock");
65const FilePath::CharType* FirefoxProfileLock::kOldLockFileName =
66    FILE_PATH_LITERAL("lock");
67#else
68const FilePath::CharType* FirefoxProfileLock::kLockFileName =
69    FILE_PATH_LITERAL("parent.lock");
70#endif
71
72FirefoxProfileLock::FirefoxProfileLock(const FilePath& path) {
73  Init();
74  lock_file_ = path.Append(kLockFileName);
75  Lock();
76}
77
78FirefoxProfileLock::~FirefoxProfileLock() {
79  // Because this destructor happens in first run on the profile import thread,
80  // with no UI to jank, it's ok to allow deletion of the lock here.
81  base::ThreadRestrictions::ScopedAllowIO allow_io;
82  Unlock();
83}
84