Source/modules/webdatabase/SQLStatementBackend.h

/*
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 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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#ifndef SQLStatementBackend_h
#define SQLStatementBackend_h

#include "modules/webdatabase/sqlite/SQLValue.h"
#include "modules/webdatabase/AbstractSQLStatementBackend.h"
#include "wtf/Forward.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/Vector.h"
#include "wtf/text/WTFString.h"

namespace WebCore {

class AbstractSQLStatement;
class DatabaseBackend;
class SQLError;
class SQLTransactionBackend;

class SQLStatementBackend : public AbstractSQLStatementBackend {
public:
    static PassRefPtr<SQLStatementBackend> create(PassOwnPtr<AbstractSQLStatement>,
        const String& sqlStatement, const Vector<SQLValue>& arguments, int permissions);

    bool execute(DatabaseBackend*);
    bool lastExecutionFailedDueToQuota() const;

    bool hasStatementCallback() const { return m_hasCallback; }
    bool hasStatementErrorCallback() const { return m_hasErrorCallback; }

    void setDatabaseDeletedError(DatabaseBackend*);
    void setVersionMismatchedError(DatabaseBackend*);

    AbstractSQLStatement* frontend();
    virtual PassRefPtr<SQLError> sqlError() const;
    virtual PassRefPtr<SQLResultSet> sqlResultSet() const;

private:
    SQLStatementBackend(PassOwnPtr<AbstractSQLStatement>, const String& statement,
        const Vector<SQLValue>& arguments, int permissions);

    void setFailureDueToQuota(DatabaseBackend*);
    void clearFailureDueToQuota();

    OwnPtr<AbstractSQLStatement> m_frontend;
    String m_statement;
    Vector<SQLValue> m_arguments;
    bool m_hasCallback;
    bool m_hasErrorCallback;

    RefPtr<SQLError> m_error;
    RefPtr<SQLResultSet> m_resultSet;

    int m_permissions;
};

} // namespace WebCore

#endif // SQLStatementBackend_h