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 IDBCursor_h 27 #define IDBCursor_h 28 29 #if ENABLE(INDEXED_DATABASE) 30 31 #include "ExceptionCode.h" 32 #include "IDBKey.h" 33 #include <wtf/PassRefPtr.h> 34 #include <wtf/RefCounted.h> 35 #include <wtf/RefPtr.h> 36 37 namespace WebCore { 38 39 class IDBAny; 40 class IDBCallbacks; 41 class IDBCursorBackendInterface; 42 class IDBRequest; 43 class IDBTransaction; 44 class ScriptExecutionContext; 45 class SerializedScriptValue; 46 47 class IDBCursor : public RefCounted<IDBCursor> { 48 public: 49 enum Direction { 50 NEXT = 0, 51 NEXT_NO_DUPLICATE = 1, 52 PREV = 2, 53 PREV_NO_DUPLICATE = 3, 54 }; 55 static PassRefPtr<IDBCursor> create(PassRefPtr<IDBCursorBackendInterface>, IDBRequest*, IDBAny* source, IDBTransaction*); 56 virtual ~IDBCursor(); 57 58 // FIXME: Try to modify the code generator so this is unneeded. continueFunction(ExceptionCode & ec)59 void continueFunction(ExceptionCode& ec) { continueFunction(0, ec); } 60 61 // Implement the IDL 62 unsigned short direction() const; 63 PassRefPtr<IDBKey> key() const; 64 PassRefPtr<IDBKey> primaryKey() const; 65 PassRefPtr<SerializedScriptValue> value() const; 66 IDBAny* source() const; 67 68 PassRefPtr<IDBRequest> update(ScriptExecutionContext*, PassRefPtr<SerializedScriptValue>, ExceptionCode&); 69 void continueFunction(PassRefPtr<IDBKey>, ExceptionCode&); 70 PassRefPtr<IDBRequest> deleteFunction(ScriptExecutionContext*, ExceptionCode&); 71 72 protected: 73 IDBCursor(PassRefPtr<IDBCursorBackendInterface>, IDBRequest*, IDBAny* source, IDBTransaction*); 74 75 private: 76 RefPtr<IDBCursorBackendInterface> m_backend; 77 RefPtr<IDBRequest> m_request; 78 RefPtr<IDBAny> m_source; 79 RefPtr<IDBTransaction> m_transaction; 80 }; 81 82 } // namespace WebCore 83 84 #endif 85 86 #endif // IDBCursor_h 87