accessibility/source/extended/accessibletabbarbase.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_accessibility.hxx"
  30 #include "accessibility/extended/accessibletabbarbase.hxx"
  31 #ifndef ACCESSIBILITY_EXT_ACCESSIBLETABBARPAGELIST
  32 #include "accessibility/extended/accessibletabbarpagelist.hxx"
  33 #endif
  34 #include <toolkit/helper/externallock.hxx>
  35 #include <svtools/tabbar.hxx>
  36
  37 //.........................................................................
  38 namespace accessibility
  39 {
  40 //.........................................................................
  41
  42 AccessibleTabBarBase::AccessibleTabBarBase( TabBar* pTabBar ) :
  43     AccessibleExtendedComponentHelper_BASE( new VCLExternalSolarLock() ),
  44     m_pTabBar( 0 )
  45 {
  46     m_pExternalLock = static_cast< VCLExternalSolarLock* >( getExternalLock() );
  47     SetTabBarPointer( pTabBar );
  48 }
  49
  50 AccessibleTabBarBase::~AccessibleTabBarBase()
  51 {
  52     ClearTabBarPointer();
  53     DELETEZ( m_pExternalLock );
  54 }
  55
  56 IMPL_LINK( AccessibleTabBarBase, WindowEventListener, VclSimpleEvent*, pEvent )
  57 {
  58     VclWindowEvent* pWinEvent = dynamic_cast< VclWindowEvent* >( pEvent );
  59     DBG_ASSERT( pWinEvent, "AccessibleTabBarBase::WindowEventListener - unknown window event" );
  60     if( pWinEvent )
  61     {
  62         Window* pEventWindow = pWinEvent->GetWindow();
  63         DBG_ASSERT( pEventWindow, "AccessibleTabBarBase::WindowEventListener: no window!" );
  64
  65         if( ( pWinEvent->GetId() == VCLEVENT_TABBAR_PAGEREMOVED ) &&
  66             ( (sal_uInt16)(sal_IntPtr) pWinEvent->GetData() == TabBar::PAGE_NOT_FOUND ) &&
  67             ( dynamic_cast< AccessibleTabBarPageList *> (this) != NULL ) )
  68         {
  69             return 0;
  70         }
  71
  72         if ( !pEventWindow->IsAccessibilityEventsSuppressed() || (pWinEvent->GetId() == VCLEVENT_OBJECT_DYING) )
  73             ProcessWindowEvent( *pWinEvent );
  74     }
  75     return 0;
  76 }
  77
  78 void AccessibleTabBarBase::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
  79 {
  80     if( rVclWindowEvent.GetId() == VCLEVENT_OBJECT_DYING )
  81         ClearTabBarPointer();
  82 }
  83
  84 // XComponent
  85
  86 void AccessibleTabBarBase::disposing()
  87 {
  88     AccessibleExtendedComponentHelper_BASE::disposing();
  89     ClearTabBarPointer();
  90 }
  91
  92 // private
  93
  94 void AccessibleTabBarBase::SetTabBarPointer( TabBar* pTabBar )
  95 {
  96     DBG_ASSERT( !m_pTabBar, "AccessibleTabBarBase::SetTabBarPointer - multiple call" );
  97     m_pTabBar = pTabBar;
  98     if( m_pTabBar )
  99         m_pTabBar->AddEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) );
 100 }
 101
 102 void AccessibleTabBarBase::ClearTabBarPointer()
 103 {
 104     if( m_pTabBar )
 105     {
 106         m_pTabBar->RemoveEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) );
 107         m_pTabBar = 0;
 108     }
 109 }
 110
 111 //.........................................................................
 112 }   // namespace accessibility
 113 //.........................................................................
 114