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#pragma once
27
28#include "DOMWindowProperty.h"
29#include "ExceptionOr.h"
30#include "ScriptWrappable.h"
31
32namespace WebCore {
33
34class StorageArea;
35
36class Storage final : public ScriptWrappable, public RefCounted<Storage>, public DOMWindowProperty {
37 WTF_MAKE_ISO_ALLOCATED(Storage);
38public:
39 static Ref<Storage> create(DOMWindow&, Ref<StorageArea>&&);
40 ~Storage();
41
42 unsigned length() const;
43 String key(unsigned index) const;
44 String getItem(const String& key) const;
45 ExceptionOr<void> setItem(const String& key, const String& value);
46 ExceptionOr<void> removeItem(const String& key);
47 ExceptionOr<void> clear();
48 bool contains(const String& key) const;
49
50 // Bindings support functions.
51 bool isSupportedPropertyName(const String&) const;
52 Vector<AtomicString> supportedPropertyNames() const;
53
54 StorageArea& area() const { return m_storageArea.get(); }
55
56private:
57 Storage(DOMWindow&, Ref<StorageArea>&&);
58
59 const Ref<StorageArea> m_storageArea;
60};
61
62} // namespace WebCore
63