accessibility/source/extended/accessibletabbarbase.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_accessibility.hxx"
  33 #include "accessibility/extended/accessibletabbarbase.hxx"
  34 #ifndef ACCESSIBILITY_EXT_ACCESSIBLETABBARPAGELIST
  35 #include "accessibility/extended/accessibletabbarpagelist.hxx"
  36 #endif
  37 #include <toolkit/helper/externallock.hxx>
  38 #include <svtools/tabbar.hxx>
  39
  40 //.........................................................................
  41 namespace accessibility
  42 {
  43 //.........................................................................
  44
  45 AccessibleTabBarBase::AccessibleTabBarBase( TabBar* pTabBar ) :
  46     AccessibleExtendedComponentHelper_BASE( new VCLExternalSolarLock() ),
  47     m_pTabBar( 0 )
  48 {
  49     m_pExternalLock = static_cast< VCLExternalSolarLock* >( getExternalLock() );
  50     SetTabBarPointer( pTabBar );
  51 }
  52
  53 AccessibleTabBarBase::~AccessibleTabBarBase()
  54 {
  55     ClearTabBarPointer();
  56     DELETEZ( m_pExternalLock );
  57 }
  58
  59 IMPL_LINK( AccessibleTabBarBase, WindowEventListener, VclSimpleEvent*, pEvent )
  60 {
  61     VclWindowEvent* pWinEvent = dynamic_cast< VclWindowEvent* >( pEvent );
  62     DBG_ASSERT( pWinEvent, "AccessibleTabBarBase::WindowEventListener - unknown window event" );
  63     if( pWinEvent )
  64     {
  65         Window* pEventWindow = pWinEvent->GetWindow();
  66         DBG_ASSERT( pEventWindow, "AccessibleTabBarBase::WindowEventListener: no window!" );
  67
  68         if( ( pWinEvent->GetId() == VCLEVENT_TABBAR_PAGEREMOVED ) &&
  69             ( (sal_uInt16)(sal_IntPtr) pWinEvent->GetData() == TABBAR_PAGE_NOTFOUND ) &&
  70             ( dynamic_cast< AccessibleTabBarPageList *> (this) != NULL ) )
  71         {
  72             return 0;
  73         }
  74
  75         if ( !pEventWindow->IsAccessibilityEventsSuppressed() || (pWinEvent->GetId() == VCLEVENT_OBJECT_DYING) )
  76             ProcessWindowEvent( *pWinEvent );
  77     }
  78     return 0;
  79 }
  80
  81 void AccessibleTabBarBase::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
  82 {
  83     if( rVclWindowEvent.GetId() == VCLEVENT_OBJECT_DYING )
  84         ClearTabBarPointer();
  85 }
  86
  87 // XComponent
  88
  89 void AccessibleTabBarBase::disposing()
  90 {
  91     AccessibleExtendedComponentHelper_BASE::disposing();
  92     ClearTabBarPointer();
  93 }
  94
  95 // private
  96
  97 void AccessibleTabBarBase::SetTabBarPointer( TabBar* pTabBar )
  98 {
  99     DBG_ASSERT( !m_pTabBar, "AccessibleTabBarBase::SetTabBarPointer - multiple call" );
 100     m_pTabBar = pTabBar;
 101     if( m_pTabBar )
 102         m_pTabBar->AddEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) );
 103 }
 104
 105 void AccessibleTabBarBase::ClearTabBarPointer()
 106 {
 107     if( m_pTabBar )
 108     {
 109         m_pTabBar->RemoveEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) );
 110         m_pTabBar = 0;
 111     }
 112 }
 113
 114 //.........................................................................
 115 }   // namespace accessibility
 116 //.........................................................................
 117