include/connectivity/conncleanup.hxx

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  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/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     //= OAutoConnectionDisposer
  35
  36     typedef ::cppu::WeakImplHelper <   css::beans::XPropertyChangeListener,
  37                                        css::sdbc::XRowSetListener
  38                                    >   OAutoConnectionDisposer_Base;
  39
  40     class OOO_DLLPUBLIC_DBTOOLS OAutoConnectionDisposer : public OAutoConnectionDisposer_Base
  41     {
  42         css::uno::Reference< css::sdbc::XConnection >
  43                     m_xOriginalConnection;
  44         css::uno::Reference< css::sdbc::XRowSet > m_xRowSet; // needed to add as listener
  45         bool    m_bRSListening          : 1; // true when we're listening on rowset
  46         bool    m_bPropertyListening    : 1; // true when we're listening for property changes
  47
  48     public:
  49         /** constructs an object
  50             <p>The connection given will be set on the rowset (as ActiveConnection), and the object adds itself as property
  51             change listener for the connection. Once somebody sets a new ActiveConnection, the old one (the one given
  52             here) will be disposed.</p>
  53         */
  54         OAutoConnectionDisposer(
  55             const css::uno::Reference< css::sdbc::XRowSet >& _rxRowSet,
  56             const css::uno::Reference< css::sdbc::XConnection >& _rxConnection
  57             );
  58
  59     protected:
  60         // XPropertyChangeListener
  61         virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& _rEvent ) throw (css::uno::RuntimeException, std::exception) override;
  62
  63         // XEventListener
  64         virtual void SAL_CALL disposing( const css::lang::EventObject& _rSource ) throw (css::uno::RuntimeException, std::exception) override;
  65
  66         // XRowSetListener
  67         virtual void SAL_CALL cursorMoved( const css::lang::EventObject& event ) throw (css::uno::RuntimeException, std::exception) override;
  68         virtual void SAL_CALL rowChanged( const css::lang::EventObject& event ) throw (css::uno::RuntimeException, std::exception) override;
  69         virtual void SAL_CALL rowSetChanged( const css::lang::EventObject& event ) throw (css::uno::RuntimeException, std::exception) override;
  70
  71     private:
  72         void clearConnection();
  73
  74         void        startRowSetListening();
  75         void        stopRowSetListening();
  76         bool        isRowSetListening() const { return m_bRSListening; }
  77
  78         void        startPropertyListening( const css::uno::Reference< css::beans::XPropertySet >& _rxProps );
  79         void        stopPropertyListening( const css::uno::Reference< css::beans::XPropertySet >& _rxEventSource );
  80     };
  81
  82
  83 }   // namespace dbtools
  84
  85
  86 #endif // INCLUDED_CONNECTIVITY_CONNCLEANUP_HXX
  87
  88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */