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#include "EventNames.h"
30#include "FileSystem.h"
31#include "Frame.h"
32#include "FrameTree.h"
33#include "StorageThread.h"
34#include "Page.h"
35#include "PageGroup.h"
36#include "StorageAreaSync.h"
37#include <wtf/MainThread.h>
38#include <wtf/StdLibExtras.h>
39#include <wtf/text/CString.h>
40
41namespace WebCore {
42
43PassRefPtr<StorageSyncManager> StorageSyncManager::create(const String& path)
44{
45    return adoptRef(new StorageSyncManager(path));
46}
47
48StorageSyncManager::StorageSyncManager(const String& path)
49    : m_thread(StorageThread::create())
50    , m_path(path.isolatedCopy())
51{
52    ASSERT(isMainThread());
53    ASSERT(!m_path.isEmpty());
54    m_thread->start();
55}
56
57StorageSyncManager::~StorageSyncManager()
58{
59    ASSERT(isMainThread());
60    ASSERT(!m_thread);
61}
62
63// Called on a background thread.
64String StorageSyncManager::fullDatabaseFilename(const String& databaseIdentifier)
65{
66    if (!makeAllDirectories(m_path)) {
67        LOG_ERROR("Unabled to create LocalStorage database path %s", m_path.utf8().data());
68        return String();
69    }
70
71    return pathByAppendingComponent(m_path, databaseIdentifier + ".localstorage");
72}
73
74void StorageSyncManager::dispatch(const Function<void ()>& function)
75{
76    ASSERT(isMainThread());
77    ASSERT(m_thread);
78
79    if (m_thread)
80        m_thread->dispatch(function);
81}
82
83void StorageSyncManager::close()
84{
85    ASSERT(isMainThread());
86
87    if (m_thread) {
88        m_thread->terminate();
89        m_thread = nullptr;
90    }
91}
92
93} // namespace WebCore
94