1 /*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "StorageSyncManager.h"
28
29 #if ENABLE(DOM_STORAGE)
30
31 #include "EventNames.h"
32 #include "FileSystem.h"
33 #include "Frame.h"
34 #include "FrameTree.h"
35 #include "LocalStorageTask.h"
36 #include "LocalStorageThread.h"
37 #include "Page.h"
38 #include "PageGroup.h"
39 #include "StorageAreaSync.h"
40 #include <wtf/text/CString.h>
41 #include <wtf/StdLibExtras.h>
42
43 namespace WebCore {
44
create(const String & path)45 PassRefPtr<StorageSyncManager> StorageSyncManager::create(const String& path)
46 {
47 return adoptRef(new StorageSyncManager(path));
48 }
49
StorageSyncManager(const String & path)50 StorageSyncManager::StorageSyncManager(const String& path)
51 : m_thread(LocalStorageThread::create())
52 , m_path(path.crossThreadString())
53 {
54 ASSERT(isMainThread());
55 ASSERT(!m_path.isEmpty());
56 m_thread->start();
57 }
58
~StorageSyncManager()59 StorageSyncManager::~StorageSyncManager()
60 {
61 ASSERT(isMainThread());
62 ASSERT(!m_thread);
63 }
64
65 // Called on a background thread.
fullDatabaseFilename(const String & databaseIdentifier)66 String StorageSyncManager::fullDatabaseFilename(const String& databaseIdentifier)
67 {
68 if (!makeAllDirectories(m_path)) {
69 LOG_ERROR("Unabled to create LocalStorage database path %s", m_path.utf8().data());
70 return String();
71 }
72
73 return pathByAppendingComponent(m_path, databaseIdentifier + ".localstorage");
74 }
75
close()76 void StorageSyncManager::close()
77 {
78 ASSERT(isMainThread());
79
80 if (m_thread) {
81 m_thread->terminate();
82 m_thread = 0;
83 }
84 }
85
scheduleImport(PassRefPtr<StorageAreaSync> area)86 bool StorageSyncManager::scheduleImport(PassRefPtr<StorageAreaSync> area)
87 {
88 ASSERT(isMainThread());
89 ASSERT(m_thread);
90 if (m_thread)
91 m_thread->scheduleTask(LocalStorageTask::createImport(area.get()));
92 return m_thread;
93 }
94
scheduleSync(PassRefPtr<StorageAreaSync> area)95 void StorageSyncManager::scheduleSync(PassRefPtr<StorageAreaSync> area)
96 {
97 ASSERT(isMainThread());
98 ASSERT(m_thread);
99 if (m_thread)
100 m_thread->scheduleTask(LocalStorageTask::createSync(area.get()));
101 }
102
scheduleDeleteEmptyDatabase(PassRefPtr<StorageAreaSync> area)103 void StorageSyncManager::scheduleDeleteEmptyDatabase(PassRefPtr<StorageAreaSync> area)
104 {
105 ASSERT(isMainThread());
106 ASSERT(m_thread);
107 if (m_thread)
108 m_thread->scheduleTask(LocalStorageTask::createDeleteEmptyDatabase(area.get()));
109 }
110 } // namespace WebCore
111
112 #endif // ENABLE(DOM_STORAGE)
113