1/*
2 * Copyright (C) 2015 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(INDEXED_DATABASE)
29
30#include "IDBCursorInfo.h"
31#include "IndexValueStore.h"
32#include "MemoryCursor.h"
33
34namespace WebCore {
35namespace IDBServer {
36
37class MemoryIndex;
38
39class MemoryIndexCursor : public MemoryCursor {
40public:
41 MemoryIndexCursor(MemoryIndex&, const IDBCursorInfo&);
42 virtual ~MemoryIndexCursor();
43
44 void indexRecordsAllChanged();
45 void indexValueChanged(const IDBKeyData& indexKey, const IDBKeyData& primaryKey);
46
47private:
48 void currentData(IDBGetResult&) final;
49 void iterate(const IDBKeyData&, const IDBKeyData& primaryKey, uint32_t count, IDBGetResult&) final;
50
51 MemoryIndex& m_index;
52
53 IndexValueStore::Iterator m_currentIterator;
54 IDBKeyData m_currentKey;
55 IDBKeyData m_currentPrimaryKey;
56};
57
58} // namespace IDBServer
59} // namespace WebCore
60
61#endif // ENABLE(INDEXED_DATABASE)
62