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 StorageQuota_h
32#define StorageQuota_h
33
34#if ENABLE(QUOTA)
35
36#include <wtf/PassRefPtr.h>
37#include <wtf/RefCounted.h>
38
39namespace WebCore {
40
41class ScriptExecutionContext;
42class StorageErrorCallback;
43class StorageQuotaCallback;
44class StorageUsageCallback;
45
46class StorageQuota : public RefCounted<StorageQuota> {
47public:
48    enum Type {
49        Temporary,
50        Persistent,
51    };
52
53    static PassRefPtr<StorageQuota> create(Type type)
54    {
55        return adoptRef(new StorageQuota(type));
56    }
57
58    void queryUsageAndQuota(ScriptExecutionContext*, PassRefPtr<StorageUsageCallback>, PassRefPtr<StorageErrorCallback>);
59
60    void requestQuota(ScriptExecutionContext*, unsigned long long newQuotaInBytes, PassRefPtr<StorageQuotaCallback>, PassRefPtr<StorageErrorCallback>);
61
62    ~StorageQuota();
63
64private:
65    explicit StorageQuota(Type);
66    Type m_type;
67};
68
69} // namespace WebCore
70
71#endif // ENABLE(QUOTA)
72
73#endif // StorageQuota_h
74