1/*
2 * Copyright (C) 2013 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "StorageAreaImpl.h"
28
29#include "StorageAreaMap.h"
30#include <WebCore/Document.h>
31#include <WebCore/ExceptionCode.h>
32#include <WebCore/Frame.h>
33#include <WebCore/Page.h>
34#include <WebCore/SchemeRegistry.h>
35#include <WebCore/Settings.h>
36
37using namespace WebCore;
38
39namespace WebKit {
40
41static uint64_t generateStorageAreaID()
42{
43    static uint64_t storageAreaID;
44    return ++storageAreaID;
45}
46
47PassRefPtr<StorageAreaImpl> StorageAreaImpl::create(PassRefPtr<StorageAreaMap> storageAreaMap)
48{
49    return adoptRef(new StorageAreaImpl(storageAreaMap));
50}
51
52StorageAreaImpl::StorageAreaImpl(PassRefPtr<StorageAreaMap> storageAreaMap)
53    : m_storageAreaID(generateStorageAreaID())
54    , m_storageAreaMap(storageAreaMap)
55{
56}
57
58StorageAreaImpl::~StorageAreaImpl()
59{
60}
61
62unsigned StorageAreaImpl::length()
63{
64    return m_storageAreaMap->length();
65}
66
67String StorageAreaImpl::key(unsigned index)
68{
69    return m_storageAreaMap->key(index);
70}
71
72String StorageAreaImpl::item(const String& key)
73{
74    return m_storageAreaMap->item(key);
75}
76
77void StorageAreaImpl::setItem(Frame* sourceFrame, const String& key, const String& value, bool& quotaException)
78{
79    ASSERT(!value.isNull());
80
81    m_storageAreaMap->setItem(sourceFrame, this, key, value, quotaException);
82}
83
84void StorageAreaImpl::removeItem(Frame* sourceFrame, const String& key)
85{
86    m_storageAreaMap->removeItem(sourceFrame, this, key);
87}
88
89void StorageAreaImpl::clear(Frame* sourceFrame)
90{
91    m_storageAreaMap->clear(sourceFrame, this);
92}
93
94bool StorageAreaImpl::contains(const String& key)
95{
96    return m_storageAreaMap->contains(key);
97}
98
99bool StorageAreaImpl::canAccessStorage(Frame* frame)
100{
101    return frame && frame->page();
102}
103
104StorageType StorageAreaImpl::storageType() const
105{
106    return m_storageAreaMap->storageType();
107}
108
109size_t StorageAreaImpl::memoryBytesUsedByCache()
110{
111    return 0;
112}
113
114void StorageAreaImpl::incrementAccessCount()
115{
116    // Storage access is handled in the UI process, so there's nothing to do here.
117}
118
119void StorageAreaImpl::decrementAccessCount()
120{
121    // Storage access is handled in the UI process, so there's nothing to do here.
122}
123
124void StorageAreaImpl::closeDatabaseIfIdle()
125{
126    // FIXME: Implement this.
127    ASSERT_NOT_REACHED();
128}
129
130} // namespace WebKit
131