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 *
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 WebIDBCallbacks_h
27#define WebIDBCallbacks_h
28
29#include "WebCommon.h"
30
31namespace WebKit {
32
33class WebIDBCursor;
34class WebIDBDatabase;
35class WebIDBDatabaseError;
36class WebIDBKey;
37class WebIDBIndex;
38class WebIDBObjectStore;
39class WebIDBTransaction;
40class WebSerializedScriptValue;
41
42class WebIDBCallbacks {
43public:
44    virtual ~WebIDBCallbacks() { }
45
46    // For classes that follow the PImpl pattern, pass a const reference.
47    // For the rest, pass ownership to the callee via a pointer.
48    virtual void onError(const WebIDBDatabaseError&) { WEBKIT_ASSERT_NOT_REACHED(); }
49    virtual void onSuccess(WebIDBCursor*) { WEBKIT_ASSERT_NOT_REACHED(); }
50    virtual void onSuccess(WebIDBDatabase*) { WEBKIT_ASSERT_NOT_REACHED(); }
51    virtual void onSuccess(const WebIDBKey&) { WEBKIT_ASSERT_NOT_REACHED(); }
52    // FIXME: remove after Webkit roll.
53    virtual void onSuccess(WebIDBIndex*) { WEBKIT_ASSERT_NOT_REACHED(); }
54    virtual void onSuccess(WebIDBTransaction*) { WEBKIT_ASSERT_NOT_REACHED(); }
55    virtual void onSuccess(const WebSerializedScriptValue&) { WEBKIT_ASSERT_NOT_REACHED(); }
56    virtual void onBlocked() { WEBKIT_ASSERT_NOT_REACHED(); }
57};
58
59} // namespace WebKit
60
61#endif // WebIDBCallbacks_h
62