1/*
2 * Copyright (C) 2010 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
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28#ifndef IDBFactoryBackendInterface_h
29#define IDBFactoryBackendInterface_h
30
31#include "ExceptionCode.h"
32#include "IDBCallbacks.h"
33#include "PlatformString.h"
34#include <wtf/Threading.h>
35#include <wtf/Vector.h>
36
37#if ENABLE(INDEXED_DATABASE)
38
39namespace WebCore {
40
41class Frame;
42class IDBDatabase;
43class SecurityOrigin;
44
45// This class is shared by IDBFactory (async) and IDBFactorySync (sync).
46// This is implemented by IDBFactoryBackendImpl and optionally others (in order to proxy
47// calls across process barriers). All calls to these classes should be non-blocking and
48// trigger work on a background thread if necessary.
49class IDBFactoryBackendInterface : public ThreadSafeRefCounted<IDBFactoryBackendInterface> {
50public:
51    static PassRefPtr<IDBFactoryBackendInterface> create();
52    virtual ~IDBFactoryBackendInterface() { }
53
54    enum BackingStoreType {
55        DefaultBackingStore,
56        LevelDBBackingStore
57    };
58
59    virtual void open(const String& name, PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, Frame*, const String& dataDir, int64_t maximumSize, BackingStoreType) = 0;
60};
61
62} // namespace WebCore
63
64#endif
65
66#endif // IDBFactoryBackendInterface_h
67