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
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  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef IDBDatabaseCallbacksImpl_h
27 #define IDBDatabaseCallbacksImpl_h
28 
29 #include "IDBDatabaseCallbacks.h"
30 #include "PlatformString.h"
31 #include <wtf/RefCounted.h>
32 
33 #if ENABLE(INDEXED_DATABASE)
34 
35 namespace WebCore {
36 
37 class IDBDatabase;
38 
39 class IDBDatabaseCallbacksImpl : public IDBDatabaseCallbacks {
40 public:
41     static PassRefPtr<IDBDatabaseCallbacksImpl> create(IDBDatabase*);
42     virtual ~IDBDatabaseCallbacksImpl();
43 
44     virtual void onVersionChange(const String& version);
45     void unregisterDatabase(IDBDatabase*);
46 
47 private:
48     IDBDatabaseCallbacksImpl(IDBDatabase*);
49 
50     // m_database has a RefPtr to this, so use a weak pointer to avoid a cycle.
51     IDBDatabase* m_database;
52 };
53 
54 } // namespace WebCore
55 
56 #endif
57 
58 #endif // IDBDatabaseCallbacksImpl_h
59