AOO410/main/connectivity/inc/connectivity/conncleanup.hxx

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#ifndef _CONNECTIVITY_CONNCLEANUP_HXX_
#define _CONNECTIVITY_CONNCLEANUP_HXX_

#include <cppuhelper/implbase2.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/sdbc/XRowSet.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>
#include "connectivity/dbtoolsdllapi.hxx"

//.........................................................................
namespace dbtools
{
//.........................................................................

	//=====================================================================
	//= OAutoConnectionDisposer
	//=====================================================================
	typedef ::cppu::WeakImplHelper2	<	::com::sun::star::beans::XPropertyChangeListener,
										::com::sun::star::sdbc::XRowSetListener
									>	OAutoConnectionDisposer_Base;

	class OOO_DLLPUBLIC_DBTOOLS OAutoConnectionDisposer : public OAutoConnectionDisposer_Base
	{
		::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >
					m_xOriginalConnection;
		::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet > m_xRowSet; // needed to add as listener
		sal_Bool	m_bRSListening			: 1; // true when we're listening on rowset 
		sal_Bool	m_bPropertyListening	: 1; // true when we're listening for property changes

	public:
		/** constructs an object
			<p>The connection given will be set on the rowset (as ActiveConnection), and the object adds itself as property
			change listener for the connection. Once somebody sets a new ActiveConnection, the old one (the one given
			here) will be disposed.</p>
		*/
		OAutoConnectionDisposer(
			const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet >& _rxRowSet,
			const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >& _rxConnection
			);

	protected:
		// XPropertyChangeListener
		virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& _rEvent ) throw (::com::sun::star::uno::RuntimeException);

		// XEventListener
		virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& _rSource ) throw (::com::sun::star::uno::RuntimeException);

		// XRowSetListener
		virtual void SAL_CALL cursorMoved( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
		virtual void SAL_CALL rowChanged( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);
		virtual void SAL_CALL rowSetChanged( const ::com::sun::star::lang::EventObject& event ) throw (::com::sun::star::uno::RuntimeException);

	private:
		void clearConnection();

		void		startRowSetListening();
		void		stopRowSetListening();
		sal_Bool	isRowSetListening() const { return m_bRSListening; }

		void		startPropertyListening( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxProps );
		void		stopPropertyListening( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxEventSource );
		sal_Bool	isPropertyListening() const { return m_bPropertyListening; }
	};

//.........................................................................
}	// namespace dbtools
//.........................................................................

#endif // _CONNECTIVITY_CONNCLEANUP_HXX_