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 IDBCursorBackendInterface_h 27 #define IDBCursorBackendInterface_h 28 29 #if ENABLE(INDEXED_DATABASE) 30 31 #include "ExceptionCode.h" 32 #include <wtf/PassRefPtr.h> 33 #include <wtf/RefCounted.h> 34 #include <wtf/Threading.h> 35 36 namespace WebCore { 37 38 class IDBAny; 39 class IDBCallbacks; 40 class IDBKey; 41 class IDBRequest; 42 class SerializedScriptValue; 43 44 class IDBCursorBackendInterface : public ThreadSafeRefCounted<IDBCursorBackendInterface> { 45 public: 46 virtual ~IDBCursorBackendInterface() {} 47 48 enum CursorType { 49 InvalidCursorType = 0, 50 IndexCursor, 51 IndexKeyCursor, 52 ObjectStoreCursor 53 }; 54 55 virtual unsigned short direction() const = 0; 56 virtual PassRefPtr<IDBKey> key() const = 0; 57 virtual PassRefPtr<IDBKey> primaryKey() const = 0; 58 virtual PassRefPtr<SerializedScriptValue> value() const = 0; 59 60 virtual void update(PassRefPtr<SerializedScriptValue>, PassRefPtr<IDBCallbacks>, ExceptionCode&) = 0; 61 virtual void continueFunction(PassRefPtr<IDBKey> key, PassRefPtr<IDBCallbacks>, ExceptionCode&) = 0; 62 virtual void deleteFunction(PassRefPtr<IDBCallbacks>, ExceptionCode&) = 0; 63 }; 64 65 } // namespace WebCore 66 67 #endif 68 69 #endif // IDBCursorBackendInterface_h 70
