1/*
2 * Copyright (C) 2011 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef StorageInfo_h
32#define StorageInfo_h
33
34#if ENABLE(QUOTA)
35
36#include <wtf/PassRefPtr.h>
37#include <wtf/RefCounted.h>
38#include <wtf/RefPtr.h>
39
40namespace WebCore {
41
42class ScriptExecutionContext;
43class StorageErrorCallback;
44class StorageQuota;
45class StorageQuotaCallback;
46class StorageUsageCallback;
47
48class StorageInfo : public RefCounted<StorageInfo> {
49public:
50    enum {
51        TEMPORARY,
52        PERSISTENT,
53    };
54
55    static PassRefPtr<StorageInfo> create()
56    {
57        return adoptRef(new StorageInfo());
58    }
59
60    void queryUsageAndQuota(ScriptExecutionContext*, int storageType, PassRefPtr<StorageUsageCallback>, PassRefPtr<StorageErrorCallback>);
61
62    void requestQuota(ScriptExecutionContext*, int storageType, unsigned long long newQuotaInBytes, PassRefPtr<StorageQuotaCallback>, PassRefPtr<StorageErrorCallback>);
63
64    ~StorageInfo();
65
66private:
67    StorageInfo();
68
69    StorageQuota* getStorageQuota(int storageType);
70
71    mutable RefPtr<StorageQuota> m_temporaryStorage;
72    mutable RefPtr<StorageQuota> m_persistentStorage;
73};
74
75} // namespace WebCore
76
77#endif // ENABLE(QUOTA)
78
79#endif // StorageInfo_h
80