1 /* 2 * Copyright (C) 2007, 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 * 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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef SQLStatement_h 29 #define SQLStatement_h 30 31 #include "modules/webdatabase/sqlite/SQLValue.h" 32 #include "modules/webdatabase/SQLResultSet.h" 33 #include "wtf/Forward.h" 34 #include "wtf/text/WTFString.h" 35 36 namespace blink { 37 38 class Database; 39 class SQLError; 40 class SQLStatementBackend; 41 class SQLStatementCallback; 42 class SQLStatementErrorCallback; 43 class SQLTransaction; 44 45 class SQLStatement FINAL : public NoBaseWillBeGarbageCollectedFinalized<SQLStatement> { 46 public: 47 static PassOwnPtrWillBeRawPtr<SQLStatement> create(Database*, 48 SQLStatementCallback*, SQLStatementErrorCallback*); 49 ~SQLStatement(); 50 void trace(Visitor*); 51 52 bool performCallback(SQLTransaction*); 53 54 void setBackend(SQLStatementBackend*); 55 56 bool hasCallback(); 57 bool hasErrorCallback(); 58 59 private: 60 SQLStatement(Database*, SQLStatementCallback*, SQLStatementErrorCallback*); 61 62 // The SQLStatementBackend owns the SQLStatement. Hence, the backend is 63 // guaranteed to be outlive the SQLStatement, and it is safe for us to refer 64 // to the backend using a raw pointer here. 65 RawPtrWillBeMember<SQLStatementBackend> m_backend; 66 67 CrossThreadPersistentWillBeMember<SQLStatementCallback> m_statementCallback; 68 CrossThreadPersistentWillBeMember<SQLStatementErrorCallback> m_statementErrorCallback; 69 }; 70 71 } // namespace blink 72 73 #endif // SQLStatement_h 74