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 IDBCursorWithValue_h
27 #define IDBCursorWithValue_h
28
29 #include "modules/indexeddb/IDBCursor.h"
30 #include "modules/indexeddb/IndexedDB.h"
31 #include "public/platform/WebIDBCursor.h"
32 #include "wtf/PassOwnPtr.h"
33
34 namespace WebCore {
35
36 class IDBAny;
37 class IDBRequest;
38 class IDBTransaction;
39
40 class IDBCursorWithValue : public IDBCursor {
41 public:
42 static PassRefPtr<IDBCursorWithValue> create(PassOwnPtr<blink::WebIDBCursor>, IndexedDB::CursorDirection, IDBRequest*, IDBAny* source, IDBTransaction*);
43 virtual ~IDBCursorWithValue();
44
45 // The value attribute defined in the IDL is simply implemented in IDBCursor (but not exposed via
46 // its IDL). This is to make the implementation more simple while matching what the spec says.
47
isKeyCursor()48 virtual bool isKeyCursor() const OVERRIDE { return false; }
isCursorWithValue()49 virtual bool isCursorWithValue() const OVERRIDE { return true; }
50
51 private:
52 IDBCursorWithValue(PassOwnPtr<blink::WebIDBCursor>, IndexedDB::CursorDirection, IDBRequest*, IDBAny* source, IDBTransaction*);
53 };
54
toIDBCursorWithValue(IDBCursor * cursor)55 inline IDBCursorWithValue* toIDBCursorWithValue(IDBCursor* cursor)
56 {
57 ASSERT_WITH_SECURITY_IMPLICATION(!cursor || cursor->isCursorWithValue());
58 return static_cast<IDBCursorWithValue*>(cursor);
59 }
60
61 } // namespace WebCore
62
63 #endif // IDBCursorWithValue_h
64