Home | History | Annotate | Download | only in webdatabase 
      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 "core/platform/sql/SQLValue.h"
     32 #include "modules/webdatabase/AbstractSQLStatement.h"
     33 #include "modules/webdatabase/SQLCallbackWrapper.h"
     34 #include "modules/webdatabase/SQLResultSet.h"
     35 #include "wtf/Forward.h"
     36 #include "wtf/Vector.h"
     37 #include "wtf/text/WTFString.h"
     38 
     39 namespace WebCore {
     40 
     41 class AbstractSQLStatementBackend;
     42 class Database;
     43 class SQLError;
     44 class SQLStatementCallback;
     45 class SQLStatementErrorCallback;
     46 class SQLTransaction;
     47 
     48 class SQLStatement : public AbstractSQLStatement {
     49 public:
     50     static PassOwnPtr<SQLStatement> create(Database*,
     51         PassRefPtr<SQLStatementCallback>, PassRefPtr<SQLStatementErrorCallback>);
     52 
     53     bool performCallback(SQLTransaction*);
     54 
     55     virtual void setBackend(AbstractSQLStatementBackend*);
     56 
     57     virtual bool hasCallback();
     58     virtual bool hasErrorCallback();
     59 
     60 private:
     61     SQLStatement(Database*, PassRefPtr<SQLStatementCallback>, PassRefPtr<SQLStatementErrorCallback>);
     62 
     63     // The AbstractSQLStatementBackend owns the SQLStatement. Hence, the backend is
     64     // guaranteed to be outlive the SQLStatement, and it is safe for us to refer
     65     // to the backend using a raw pointer here.
     66     AbstractSQLStatementBackend* m_backend;
     67 
     68     SQLCallbackWrapper<SQLStatementCallback> m_statementCallbackWrapper;
     69     SQLCallbackWrapper<SQLStatementErrorCallback> m_statementErrorCallbackWrapper;
     70 };
     71 
     72 } // namespace WebCore
     73 
     74 #endif // SQLStatement_h
     75