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 "Storage.h"
28
29 #if ENABLE(DOM_STORAGE)
30
31 #include "Frame.h"
32 #include "Page.h"
33 #include "Settings.h"
34 #include "StorageArea.h"
35 #include "PlatformString.h"
36 #include <wtf/PassRefPtr.h>
37
38 namespace WebCore {
39
create(Frame * frame,PassRefPtr<StorageArea> storageArea)40 PassRefPtr<Storage> Storage::create(Frame* frame, PassRefPtr<StorageArea> storageArea)
41 {
42 return adoptRef(new Storage(frame, storageArea));
43 }
44
Storage(Frame * frame,PassRefPtr<StorageArea> storageArea)45 Storage::Storage(Frame* frame, PassRefPtr<StorageArea> storageArea)
46 : m_frame(frame)
47 , m_storageArea(storageArea)
48 {
49 ASSERT(m_frame);
50 ASSERT(m_storageArea);
51 }
52
~Storage()53 Storage::~Storage()
54 {
55 }
56
length() const57 unsigned Storage::length() const
58 {
59 if (!m_frame || !m_frame->page() || m_frame->page()->settings()->privateBrowsingEnabled())
60 return 0;
61
62 return m_storageArea->length();
63 }
64
key(unsigned index) const65 String Storage::key(unsigned index) const
66 {
67 if (!m_frame || !m_frame->page() || m_frame->page()->settings()->privateBrowsingEnabled())
68 return String();
69
70 return m_storageArea->key(index);
71 }
72
getItem(const String & key) const73 String Storage::getItem(const String& key) const
74 {
75 if (!m_frame || !m_frame->page() || m_frame->page()->settings()->privateBrowsingEnabled())
76 return String();
77
78 return m_storageArea->getItem(key);
79 }
80
setItem(const String & key,const String & value,ExceptionCode & ec)81 void Storage::setItem(const String& key, const String& value, ExceptionCode& ec)
82 {
83 ec = 0;
84 if (!m_frame)
85 return;
86
87 m_storageArea->setItem(key, value, ec, m_frame);
88 }
89
removeItem(const String & key)90 void Storage::removeItem(const String& key)
91 {
92 if (!m_frame)
93 return;
94
95 m_storageArea->removeItem(key, m_frame);
96 }
97
clear()98 void Storage::clear()
99 {
100 if (!m_frame)
101 return;
102
103 m_storageArea->clear(m_frame);
104 }
105
contains(const String & key) const106 bool Storage::contains(const String& key) const
107 {
108 if (!m_frame || !m_frame->page() || m_frame->page()->settings()->privateBrowsingEnabled())
109 return false;
110
111 return m_storageArea->contains(key);
112 }
113
114 }
115
116 #endif // ENABLE(DOM_STORAGE)
117