/* * Copyright (C) 2010 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef IDBCursorBackendImpl_h #define IDBCursorBackendImpl_h #if ENABLE(INDEXED_DATABASE) #include "IDBCursor.h" #include "IDBCursorBackendInterface.h" #include #include #include namespace WebCore { class IDBDatabaseBackendImpl; class IDBIndexBackendImpl; class IDBKeyRange; class IDBObjectStoreBackendInterface; class IDBSQLiteDatabase; class IDBTransactionBackendInterface; class SQLiteDatabase; class SQLiteStatement; class SerializedScriptValue; class IDBCursorBackendImpl : public IDBCursorBackendInterface { public: static PassRefPtr create(IDBSQLiteDatabase* database, PassRefPtr keyRange, IDBCursor::Direction direction, PassOwnPtr query, bool isSerializedScriptValueCursor, IDBTransactionBackendInterface* transaction, IDBObjectStoreBackendInterface* objectStore) { return adoptRef(new IDBCursorBackendImpl(database, keyRange, direction, query, isSerializedScriptValueCursor, transaction, objectStore)); } virtual ~IDBCursorBackendImpl(); virtual unsigned short direction() const; virtual PassRefPtr key() const; virtual PassRefPtr value() const; virtual void update(PassRefPtr, PassRefPtr, ExceptionCode&); virtual void continueFunction(PassRefPtr, PassRefPtr, ExceptionCode&); virtual void deleteFunction(PassRefPtr, ExceptionCode&); private: IDBCursorBackendImpl(IDBSQLiteDatabase*, PassRefPtr, IDBCursor::Direction, PassOwnPtr query, bool isSerializedScriptValueCursor, IDBTransactionBackendInterface*, IDBObjectStoreBackendInterface*); void loadCurrentRow(); SQLiteDatabase& database() const; static void updateInternal(ScriptExecutionContext*, PassRefPtr, PassRefPtr, PassRefPtr); static void continueFunctionInternal(ScriptExecutionContext*, PassRefPtr, PassRefPtr, PassRefPtr); static const int64_t InvalidId = -1; RefPtr m_database; RefPtr m_keyRange; IDBCursor::Direction m_direction; OwnPtr m_query; bool m_isSerializedScriptValueCursor; int64_t m_currentId; RefPtr m_currentKey; // m_isSerializedScriptValueCursor will only be available for object cursors. RefPtr m_currentSerializedScriptValue; // FIXME: make the primary key available via script for all types of cursors. RefPtr m_currentIDBKeyValue; RefPtr m_transaction; RefPtr m_objectStore; }; } // namespace WebCore #endif // ENABLE(INDEXED_DATABASE) #endif // IDBCursorBackendImpl_h