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