1 /* 2 * Copyright (C) 2013 Apple 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef AbstractSQLTransaction_h 27 #define AbstractSQLTransaction_h 28 29 #include "modules/webdatabase/SQLTransactionState.h" 30 #include "platform/heap/Handle.h" 31 #include "wtf/ThreadSafeRefCounted.h" 32 33 namespace WebCore { 34 35 class AbstractSQLTransactionBackend; 36 37 class AbstractSQLTransaction : public ThreadSafeRefCountedWillBeGarbageCollectedFinalized<AbstractSQLTransaction> { 38 public: 39 virtual ~AbstractSQLTransaction() { } 40 virtual void trace(Visitor*) { } 41 42 virtual void requestTransitToState(SQLTransactionState) = 0; 43 44 // Used during initialization only. 45 virtual bool hasCallback() const = 0; 46 virtual bool hasSuccessCallback() const = 0; 47 virtual bool hasErrorCallback() const = 0; 48 virtual void setBackend(AbstractSQLTransactionBackend*) = 0; 49 }; 50 51 } // namespace WebCore 52 53 #endif // AbstractSQLTransaction_h 54
