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 StorageNamespace_h
27#define StorageNamespace_h
28
29#include <wtf/Forward.h>
30#include <wtf/PassRefPtr.h>
31#include <wtf/RefCounted.h>
32
33namespace WebCore {
34
35class Page;
36class PageGroup;
37class SecurityOrigin;
38class StorageArea;
39
40class StorageNamespace : public RefCounted<StorageNamespace> {
41public:
42    static PassRefPtr<StorageNamespace> localStorageNamespace(PageGroup*);
43    static PassRefPtr<StorageNamespace> transientLocalStorageNamespace(PageGroup*, SecurityOrigin*);
44    static PassRefPtr<StorageNamespace> sessionStorageNamespace(Page*);
45
46    virtual ~StorageNamespace() { }
47    virtual PassRefPtr<StorageArea> storageArea(PassRefPtr<SecurityOrigin>) = 0;
48    virtual PassRefPtr<StorageNamespace> copy(Page* newPage) = 0;
49    virtual void close() = 0;
50    virtual void clearOriginForDeletion(SecurityOrigin*) = 0;
51    virtual void clearAllOriginsForDeletion() = 0;
52    virtual void sync() = 0;
53    virtual void closeIdleLocalStorageDatabases()  { }
54};
55
56} // namespace WebCore
57
58#endif // StorageNamespace_h
59