forms/source/richtext/featuredispatcher.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_forms.hxx"
  33 #include "featuredispatcher.hxx"
  34
  35 /** === begin UNO includes === **/
  36 /** === end UNO includes === **/
  37
  38 //........................................................................
  39 namespace frm
  40 {
  41 //........................................................................
  42
  43     using namespace ::com::sun::star::uno;
  44     using namespace ::com::sun::star::frame;
  45     using namespace ::com::sun::star::lang;
  46     using namespace ::com::sun::star::util;
  47
  48     //====================================================================
  49     //= ORichTextFeatureDispatcher
  50     //====================================================================
  51     //--------------------------------------------------------------------
  52     ORichTextFeatureDispatcher::ORichTextFeatureDispatcher( EditView& _rView, const URL&  _rURL )
  53         :m_aFeatureURL( _rURL )
  54         ,m_aStatusListeners( m_aMutex )
  55         ,m_pEditView( &_rView )
  56         ,m_bDisposed( false )
  57     {
  58     }
  59
  60     //--------------------------------------------------------------------
  61     ORichTextFeatureDispatcher::~ORichTextFeatureDispatcher( )
  62     {
  63         if ( !m_bDisposed )
  64         {
  65             acquire();
  66             dispose();
  67         }
  68     }
  69
  70     //--------------------------------------------------------------------
  71     void ORichTextFeatureDispatcher::dispose()
  72     {
  73         EventObject aEvent( *this );
  74         m_aStatusListeners.disposeAndClear( aEvent );
  75
  76         ::osl::ClearableMutexGuard aGuard( m_aMutex );
  77         m_bDisposed = true;
  78         disposing( aGuard );
  79     }
  80
  81     //--------------------------------------------------------------------
  82     void ORichTextFeatureDispatcher::disposing( ::osl::ClearableMutexGuard& /*_rClearBeforeNotify*/ )
  83     {
  84         m_pEditView = NULL;
  85     }
  86
  87     //--------------------------------------------------------------------
  88     void SAL_CALL ORichTextFeatureDispatcher::addStatusListener( const Reference< XStatusListener >& _rxControl, const URL& _rURL ) throw (RuntimeException)
  89     {
  90         OSL_ENSURE( !m_bDisposed, "ORichTextFeatureDispatcher::addStatusListener: already disposed!" );
  91         if ( m_bDisposed )
  92             throw DisposedException();
  93
  94         OSL_ENSURE( _rURL.Complete == getFeatureURL().Complete, "ORichTextFeatureDispatcher::addStatusListener: invalid URL!" );
  95         if ( _rURL.Complete == getFeatureURL().Complete )
  96             if ( _rxControl.is() )
  97             {
  98                 m_aStatusListeners.addInterface( _rxControl );
  99                 newStatusListener( _rxControl );
 100             }
 101     }
 102
 103     //--------------------------------------------------------------------
 104     void SAL_CALL ORichTextFeatureDispatcher::removeStatusListener( const Reference< XStatusListener >& _rxControl, const URL& /*_rURL*/ ) throw (RuntimeException)
 105     {
 106         m_aStatusListeners.removeInterface( _rxControl );
 107     }
 108
 109     //--------------------------------------------------------------------
 110     void ORichTextFeatureDispatcher::invalidate()
 111     {
 112         invalidateFeatureState_Broadcast();
 113     }
 114
 115     //--------------------------------------------------------------------
 116     FeatureStateEvent ORichTextFeatureDispatcher::buildStatusEvent() const
 117     {
 118         FeatureStateEvent aEvent;
 119         aEvent.IsEnabled = sal_False;
 120         aEvent.Source = *const_cast< ORichTextFeatureDispatcher* >( this );
 121         aEvent.FeatureURL = getFeatureURL();
 122         aEvent.Requery = sal_False;
 123         return aEvent;
 124     }
 125
 126     //--------------------------------------------------------------------
 127     void ORichTextFeatureDispatcher::invalidateFeatureState_Broadcast()
 128     {
 129         FeatureStateEvent aEvent( buildStatusEvent() );
 130         ::cppu::OInterfaceIteratorHelper aIter( getStatusListeners() );
 131         while ( aIter.hasMoreElements() )
 132             doNotify( static_cast< XStatusListener* >( aIter.next() ), aEvent );
 133     }
 134
 135     //--------------------------------------------------------------------
 136     void ORichTextFeatureDispatcher::newStatusListener( const Reference< XStatusListener >& _rxListener )
 137     {
 138         doNotify( _rxListener, buildStatusEvent() );
 139     }
 140
 141     //--------------------------------------------------------------------
 142     void ORichTextFeatureDispatcher::doNotify( const Reference< XStatusListener >& _rxListener, const FeatureStateEvent& _rEvent ) const SAL_THROW(())
 143     {
 144         OSL_PRECOND( _rxListener.is(), "ORichTextFeatureDispatcher::doNotify: invalid listener!" );
 145         if ( _rxListener.is() )
 146         {
 147             try
 148             {
 149                 _rxListener->statusChanged( _rEvent );
 150             }
 151             catch( const Exception& )
 152             {
 153                 OSL_ENSURE( sal_False, "ORichTextFeatureDispatcher::doNotify: caught an exception!" );
 154             }
 155         }
 156     }
 157
 158 //........................................................................
 159 }   // namespace frm
 160 //........................................................................