StorageNamespaceImpl.h revision cad810f21b803229eb11403f9209855525a25d57
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#ifndef StorageNamespaceImpl_h
27#define StorageNamespaceImpl_h
28
29#if ENABLE(DOM_STORAGE)
30
31#include "PlatformString.h"
32#include "SecurityOriginHash.h"
33#include "StorageArea.h"
34#include "StorageNamespace.h"
35
36#include <wtf/HashMap.h>
37#include <wtf/RefPtr.h>
38
39namespace WebCore {
40#ifdef ANDROID
41    class Page;
42#endif
43    class StorageAreaImpl;
44
45    class StorageNamespaceImpl : public StorageNamespace {
46    public:
47        static PassRefPtr<StorageNamespace> localStorageNamespace(const String& path, unsigned quota);
48        static PassRefPtr<StorageNamespace> sessionStorageNamespace(unsigned quota);
49
50        virtual ~StorageNamespaceImpl();
51        virtual PassRefPtr<StorageArea> storageArea(PassRefPtr<SecurityOrigin>);
52        virtual PassRefPtr<StorageNamespace> copy();
53        virtual void close();
54        virtual void unlock();
55
56#ifdef ANDROID
57        virtual void clear(Page*);
58#endif
59
60    private:
61        StorageNamespaceImpl(StorageType, const String& path, unsigned quota);
62
63        typedef HashMap<RefPtr<SecurityOrigin>, RefPtr<StorageAreaImpl>, SecurityOriginHash> StorageAreaMap;
64        StorageAreaMap m_storageAreaMap;
65
66        StorageType m_storageType;
67
68        // Only used if m_storageType == LocalStorage and the path was not "" in our constructor.
69        String m_path;
70        RefPtr<StorageSyncManager> m_syncManager;
71
72        unsigned m_quota;  // The default quota for each new storage area.
73        bool m_isShutdown;
74    };
75
76} // namespace WebCore
77
78#endif // ENABLE(DOM_STORAGE)
79
80#endif // StorageNamespaceImpl_h
81