vcl/aqua/source/a11y/aqua11yfocuslistener.cxx

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  31
  32 // MARKER(update_precomp.py): autogen include statement, do not remove
  33 #include "precompiled_vcl.hxx"
  34
  35 #include "aqua11yfocuslistener.hxx"
  36 #include "aqua11yfocustracker.hxx"
  37 #include "aqua11yfactory.h"
  38
  39 #include <salhelper/refobj.hxx>
  40
  41 using namespace ::com::sun::star::accessibility;
  42 using namespace ::com::sun::star::uno;
  43
  44
  45 rtl::Reference< AquaA11yFocusListener > AquaA11yFocusListener::theListener;
  46
  47 //------------------------------------------------------------------------------
  48
  49 rtl::Reference< AquaA11yFocusListener > AquaA11yFocusListener::get()
  50 {
  51     if ( ! theListener.is() )
  52         theListener = new AquaA11yFocusListener();
  53
  54     return theListener;
  55 }
  56
  57 //------------------------------------------------------------------------------
  58
  59 AquaA11yFocusListener::AquaA11yFocusListener() : m_focusedObject(nil)
  60 {
  61 }
  62
  63 //------------------------------------------------------------------------------
  64
  65 id AquaA11yFocusListener::getFocusedUIElement()
  66 {
  67     if ( nil == m_focusedObject ) {
  68         Reference< XAccessible > xAccessible( AquaA11yFocusTracker::get().getFocusedObject() );
  69         try {
  70             if( xAccessible.is() ) {
  71                 Reference< XAccessibleContext > xContext(xAccessible->getAccessibleContext());
  72                 if( xContext.is() )
  73                     m_focusedObject = [ AquaA11yFactory wrapperForAccessibleContext: xContext ];
  74             }
  75         } catch( RuntimeException )  {
  76             // intentionally do nothing ..
  77         }
  78     }
  79
  80     return m_focusedObject;
  81 }
  82
  83 //------------------------------------------------------------------------------
  84
  85 void SAL_CALL
  86 AquaA11yFocusListener::focusedObjectChanged(const Reference< XAccessible >& xAccessible)
  87 {
  88     if ( nil != m_focusedObject ) {
  89         [ m_focusedObject release ];
  90         m_focusedObject = nil;
  91     }
  92
  93     try {
  94         if( xAccessible.is() ) {
  95             Reference< XAccessibleContext > xContext(xAccessible->getAccessibleContext());
  96             if( xContext.is() )
  97             {
  98                 m_focusedObject = [ AquaA11yFactory wrapperForAccessibleContext: xContext ];
  99                 NSAccessibilityPostNotification(m_focusedObject, NSAccessibilityFocusedUIElementChangedNotification);
 100             }
 101         }
 102     } catch( RuntimeException ) {
 103         // intentionally do nothing ..
 104     }
 105 }
 106
 107 //------------------------------------------------------------------------------
 108
 109 oslInterlockedCount SAL_CALL
 110 AquaA11yFocusListener::acquire() SAL_THROW(())
 111 {
 112     return ReferenceObject::acquire();
 113 }
 114
 115 //------------------------------------------------------------------------------
 116
 117 oslInterlockedCount SAL_CALL
 118 AquaA11yFocusListener::release() SAL_THROW(())
 119 {
 120     return ReferenceObject::release();
 121 }
 122