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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef _CONNECTIVITY_CONNCLEANUP_HXX_
      21             : #define _CONNECTIVITY_CONNCLEANUP_HXX_
      22             : 
      23             : #include <cppuhelper/implbase2.hxx>
      24             : #include <com/sun/star/beans/XPropertySet.hpp>
      25             : #include <com/sun/star/sdbc/XRowSet.hpp>
      26             : #include <com/sun/star/sdbc/XConnection.hpp>
      27             : #include "connectivity/dbtoolsdllapi.hxx"
      28             : 
      29             : //.........................................................................
      30             : namespace dbtools
      31             : {
      32             : //.........................................................................
      33             : 
      34             :     //=====================================================================
      35             :     //= OAutoConnectionDisposer
      36             :     //=====================================================================
      37             :     typedef ::cppu::WeakImplHelper2 <   ::com::sun::star::beans::XPropertyChangeListener,
      38             :                                         ::com::sun::star::sdbc::XRowSetListener
      39             :                                     >   OAutoConnectionDisposer_Base;
      40             : 
      41          22 :     class OOO_DLLPUBLIC_DBTOOLS OAutoConnectionDisposer : public OAutoConnectionDisposer_Base
      42             :     {
      43             :         ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >
      44             :                     m_xOriginalConnection;
      45             :         ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet > m_xRowSet; // needed to add as listener
      46             :         sal_Bool    m_bRSListening          : 1; // true when we're listening on rowset
      47             :         sal_Bool    m_bPropertyListening    : 1; // true when we're listening for property changes
      48             : 
      49             :     public:
      50             :         /** constructs an object
      51             :             <p>The connection given will be set on the rowset (as ActiveConnection), and the object adds itself as property
      52             :             change listener for the connection. Once somebody sets a new ActiveConnection, the old one (the one given
      53             :             here) will be disposed.</p>
      54             :         */
      55             :         OAutoConnectionDisposer(
      56             :             const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet >& _rxRowSet,
      57             :             const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >& _rxConnection
      58             :             );
      59             : 
      60             :     protected:
      61             :         // XPropertyChangeListener
      62             :         virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& _rEvent ) throw (::com::sun::star::uno::RuntimeException);
      63             : 
      64             :         // XEventListener
      65             :         virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& _rSource ) throw (::com::sun::star::uno::RuntimeException);
      66             : 
      67             :         // XRowSetListener
      68             :         virtual void SAL_CALL cursorMoved( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
      69             :         virtual void SAL_CALL rowChanged( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
      70             :         virtual void SAL_CALL rowSetChanged( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
      71             : 
      72             :     private:
      73             :         void clearConnection();
      74             : 
      75             :         void        startRowSetListening();
      76             :         void        stopRowSetListening();
      77          44 :         sal_Bool    isRowSetListening() const { return m_bRSListening; }
      78             : 
      79             :         void        startPropertyListening( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxProps );
      80             :         void        stopPropertyListening( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxEventSource );
      81          11 :         sal_Bool    isPropertyListening() const { return m_bPropertyListening; }
      82             :     };
      83             : 
      84             : //.........................................................................
      85             : }   // namespace dbtools
      86             : //.........................................................................
      87             : 
      88             : #endif // _CONNECTIVITY_CONNCLEANUP_HXX_
      89             : 
      90             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */