include/connectivity/conncleanup.hxx

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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_CONNECTIVITY_CONNCLEANUP_HXX
  21 #define INCLUDED_CONNECTIVITY_CONNCLEANUP_HXX
  22
  23 #include <cppuhelper/implbase.hxx>
  24 #include <com/sun/star/beans/XPropertyChangeListener.hpp>
  25 #include <com/sun/star/sdbc/XRowSetListener.hpp>
  26 #include <connectivity/dbtoolsdllapi.hxx>
  27
  28
  29 namespace com::sun::star::beans { class XPropertySet; }
  30 namespace com::sun::star::sdbc { class XRowSet; }
  31 namespace com::sun::star::sdbc { class XConnection; }
  32
  33 namespace dbtools
  34 {
  35
  36
  37     //= OAutoConnectionDisposer
  38
  39     typedef ::cppu::WeakImplHelper <   css::beans::XPropertyChangeListener,
  40                                        css::sdbc::XRowSetListener
  41                                    >   OAutoConnectionDisposer_Base;
  42
  43     class OOO_DLLPUBLIC_DBTOOLS OAutoConnectionDisposer : public OAutoConnectionDisposer_Base
  44     {
  45         css::uno::Reference< css::sdbc::XConnection >
  46                     m_xOriginalConnection;
  47         css::uno::Reference< css::sdbc::XRowSet > m_xRowSet; // needed to add as listener
  48         bool    m_bRSListening          : 1; // true when we're listening on rowset
  49         bool    m_bPropertyListening    : 1; // true when we're listening for property changes
  50
  51     public:
  52         /** constructs an object
  53             <p>The connection given will be set on the rowset (as ActiveConnection), and the object adds itself as property
  54             change listener for the connection. Once somebody sets a new ActiveConnection, the old one (the one given
  55             here) will be disposed.</p>
  56         */
  57         OAutoConnectionDisposer(
  58             const css::uno::Reference< css::sdbc::XRowSet >& _rxRowSet,
  59             const css::uno::Reference< css::sdbc::XConnection >& _rxConnection
  60             );
  61
  62     protected:
  63         // XPropertyChangeListener
  64         virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& _rEvent ) override;
  65
  66         // XEventListener
  67         virtual void SAL_CALL disposing( const css::lang::EventObject& _rSource ) override;
  68
  69         // XRowSetListener
  70         virtual void SAL_CALL cursorMoved( const css::lang::EventObject& event ) override;
  71         virtual void SAL_CALL rowChanged( const css::lang::EventObject& event ) override;
  72         virtual void SAL_CALL rowSetChanged( const css::lang::EventObject& event ) override;
  73
  74     private:
  75         void clearConnection();
  76
  77         void        startRowSetListening();
  78         void        stopRowSetListening();
  79         bool        isRowSetListening() const { return m_bRSListening; }
  80
  81         void        startPropertyListening( const css::uno::Reference< css::beans::XPropertySet >& _rxProps );
  82         void        stopPropertyListening( const css::uno::Reference< css::beans::XPropertySet >& _rxEventSource );
  83     };
  84
  85
  86 }   // namespace dbtools
  87
  88
  89 #endif // INCLUDED_CONNECTIVITY_CONNCLEANUP_HXX
  90
  91 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */