xref: /AOO41X/main/svx/source/accessibility/svxrectctaccessiblecontext.cxx (revision 54628ca40d27d15cc98fe861da7fff7e60c2f7d6)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svx.hxx"
26 
27 
28 #include "svxrectctaccessiblecontext.hxx"
29 #include <com/sun/star/accessibility/AccessibleRole.hpp>
30 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
31 #include <unotools/accessiblestatesethelper.hxx>
32 #include <com/sun/star/accessibility/AccessibleStateType.hpp>
33 #include <com/sun/star/beans/PropertyChangeEvent.hpp>
34 #include <com/sun/star/awt/XWindow.hpp>
35 #include <cppuhelper/typeprovider.hxx>
36 #include <toolkit/helper/vclunohelper.hxx>
37 #include <toolkit/helper/convert.hxx>
38 #include <vcl/svapp.hxx>
39 #include <osl/mutex.hxx>
40 #include <rtl/uuid.h>
41 #include <tools/debug.hxx>
42 #include <tools/gen.hxx>
43 
44 #include <svx/dialogs.hrc>
45 #include "accessibility.hrc"
46 #include <svx/dlgctrl.hxx>
47 #include <svx/dialmgr.hxx>
48 #include <comphelper/accessibleeventnotifier.hxx>
49 
50 
51 using namespace ::cppu;
52 using namespace ::osl;
53 using namespace ::com::sun::star;
54 using namespace ::com::sun::star::uno;
55 using namespace ::com::sun::star::accessibility;
56 
57 
58 #define MAX_NUM_OF_CHILDS   9
59 #define NOCHILDSELECTED     -1
60 
61 
62 DBG_NAME( SvxRectCtlAccessibleContext )
63 
64 
65 //=====  internal  ============================================================
66 
67 namespace
68 {
69     struct ChildIndexToPointData
70     {
71         short       nResIdName;
72         short       nResIdDescr;
73         RECT_POINT  ePoint;
74     };
75 }
76 
77 
78 static const ChildIndexToPointData* IndexToPoint( long nIndex, sal_Bool bAngleControl )
79 {
80     DBG_ASSERT( nIndex < ( bAngleControl? 8 : 9 ) && nIndex >= 0, "-IndexToPoint(): invalid child index! You have been warned..." );
81 
82     // angles are counted reverse counter clock wise
83     static const ChildIndexToPointData  pAngleData[] =
84     {                                                   // index
85         {   RID_SVXSTR_RECTCTL_ACC_CHLD_A000,   RID_SVXSTR_RECTCTL_ACC_CHLD_A000,   RP_RM },    //  0
86         {   RID_SVXSTR_RECTCTL_ACC_CHLD_A045,   RID_SVXSTR_RECTCTL_ACC_CHLD_A045,   RP_RT },    //  1
87         {   RID_SVXSTR_RECTCTL_ACC_CHLD_A090,   RID_SVXSTR_RECTCTL_ACC_CHLD_A090,   RP_MT },    //  2
88         {   RID_SVXSTR_RECTCTL_ACC_CHLD_A135,   RID_SVXSTR_RECTCTL_ACC_CHLD_A135,   RP_LT },    //  3
89         {   RID_SVXSTR_RECTCTL_ACC_CHLD_A180,   RID_SVXSTR_RECTCTL_ACC_CHLD_A180,   RP_LM },    //  4
90         {   RID_SVXSTR_RECTCTL_ACC_CHLD_A225,   RID_SVXSTR_RECTCTL_ACC_CHLD_A225,   RP_LB },    //  5
91         {   RID_SVXSTR_RECTCTL_ACC_CHLD_A270,   RID_SVXSTR_RECTCTL_ACC_CHLD_A270,   RP_MB },    //  6
92         {   RID_SVXSTR_RECTCTL_ACC_CHLD_A315,   RID_SVXSTR_RECTCTL_ACC_CHLD_A315,   RP_RB }     //  7
93     };
94 
95     // corners are counted from left to right and top to bottom
96     static const ChildIndexToPointData  pCornerData[] =
97     {                                                                   // index
98         {   RID_SVXSTR_RECTCTL_ACC_CHLD_LT, RID_SVXSTR_RECTCTL_ACC_CHLD_LT, RP_LT },    //  0
99         {   RID_SVXSTR_RECTCTL_ACC_CHLD_MT, RID_SVXSTR_RECTCTL_ACC_CHLD_MT, RP_MT },    //  1
100         {   RID_SVXSTR_RECTCTL_ACC_CHLD_RT, RID_SVXSTR_RECTCTL_ACC_CHLD_RT, RP_RT },    //  2
101         {   RID_SVXSTR_RECTCTL_ACC_CHLD_LM, RID_SVXSTR_RECTCTL_ACC_CHLD_LM, RP_LM },    //  3
102         {   RID_SVXSTR_RECTCTL_ACC_CHLD_MM, RID_SVXSTR_RECTCTL_ACC_CHLD_MM, RP_MM },    //  4
103         {   RID_SVXSTR_RECTCTL_ACC_CHLD_RM, RID_SVXSTR_RECTCTL_ACC_CHLD_RM, RP_RM },    //  5
104         {   RID_SVXSTR_RECTCTL_ACC_CHLD_LB, RID_SVXSTR_RECTCTL_ACC_CHLD_LB, RP_LB },    //  6
105         {   RID_SVXSTR_RECTCTL_ACC_CHLD_MB, RID_SVXSTR_RECTCTL_ACC_CHLD_MB, RP_MB },    //  7
106         {   RID_SVXSTR_RECTCTL_ACC_CHLD_RB, RID_SVXSTR_RECTCTL_ACC_CHLD_RB, RP_RB }     //  8
107     };
108 
109     return ( bAngleControl? pAngleData : pCornerData ) + nIndex;
110 }
111 
112 
113 static long PointToIndex( RECT_POINT ePoint, sal_Bool bAngleControl )
114 {
115     long    nRet( (long) ePoint );
116     if( bAngleControl )
117     {   // angle control
118         // angles are counted reverse counter clock wise
119         switch( ePoint )
120         {
121             case RP_LT: nRet = 3;               break;
122             case RP_MT: nRet = 2;               break;
123             case RP_RT: nRet = 1;               break;
124             case RP_LM: nRet = 4;               break;
125             case RP_MM: nRet = NOCHILDSELECTED; break;
126             case RP_RM: nRet = 0;               break;
127             case RP_LB: nRet = 5;               break;
128             case RP_MB: nRet = 6;               break;
129             case RP_RB: nRet = 7;               break;
130         }
131     }
132     else
133     {   // corner control
134         // corners are counted from left to right and top to bottom
135         DBG_ASSERT( RP_LT == 0 && RP_MT == 1 && RP_RT == 2 && RP_LM == 3 && RP_MM == 4 && RP_RM == 5 &&
136                     RP_LB == 6 && RP_MB == 7 && RP_RB == 8, "*PointToIndex(): unexpected enum value!" );
137 
138         nRet = ( long ) ePoint;
139     }
140 
141     return nRet;
142 }
143 
144 
145 SvxRectCtlAccessibleContext::SvxRectCtlAccessibleContext(
146     const Reference< XAccessible >&     rxParent,
147     SvxRectCtl&                         rRepr,
148     const ::rtl::OUString*                      pName,
149     const ::rtl::OUString*                      pDesc ) :
150 
151     SvxRectCtlAccessibleContext_Base( m_aMutex ),
152     mxParent( rxParent ),
153     mpRepr( &rRepr ),
154     mpChilds( NULL ),
155     mnClientId( 0 ),
156     mnSelectedChild( NOCHILDSELECTED ),
157     mbAngleMode( rRepr.GetNumOfChilds() == 8 )
158 {
159     DBG_CTOR( SvxRectCtlAccessibleContext, NULL );
160 
161     if( pName )
162         msName = *pName;
163     else
164     {
165         ::vos::OGuard   aSolarGuard( Application::GetSolarMutex() );
166         msName = SVX_RESSTR( mbAngleMode? RID_SVXSTR_RECTCTL_ACC_ANGL_NAME : RID_SVXSTR_RECTCTL_ACC_CORN_NAME );
167     }
168 
169     if( pDesc )
170         msDescription = *pDesc;
171     else
172     {
173         ::vos::OGuard   aSolarGuard( Application::GetSolarMutex() );
174         msDescription = SVX_RESSTR( mbAngleMode? RID_SVXSTR_RECTCTL_ACC_ANGL_DESCR : RID_SVXSTR_RECTCTL_ACC_CORN_DESCR );
175     }
176 
177     mpChilds = new SvxRectCtlChildAccessibleContext*[ MAX_NUM_OF_CHILDS ];
178 
179     SvxRectCtlChildAccessibleContext**  p = mpChilds;
180     for( int i = MAX_NUM_OF_CHILDS ; i ; --i, ++p )
181         *p = NULL;
182 }
183 
184 
185 SvxRectCtlAccessibleContext::~SvxRectCtlAccessibleContext()
186 {
187     DBG_DTOR( SvxRectCtlAccessibleContext, NULL );
188 
189     if( IsAlive() )
190     {
191         osl_incrementInterlockedCount( &m_refCount );
192         dispose();      // set mpRepr = NULL & release all childs
193     }
194 }
195 
196 //=====  XAccessible  =========================================================
197 
198 Reference< XAccessibleContext > SAL_CALL SvxRectCtlAccessibleContext::getAccessibleContext( void ) throw( RuntimeException )
199 {
200     return this;
201 }
202 
203 //=====  XAccessibleComponent  ================================================
204 
205 sal_Bool SAL_CALL SvxRectCtlAccessibleContext::containsPoint( const awt::Point& rPoint ) throw( RuntimeException )
206 {
207     // no guard -> done in getBounds()
208 //  return GetBoundingBox().IsInside( VCLPoint( rPoint ) );
209     return Rectangle( Point( 0, 0 ), GetBoundingBox().GetSize() ).IsInside( VCLPoint( rPoint ) );
210 }
211 
212 Reference< XAccessible > SAL_CALL SvxRectCtlAccessibleContext::getAccessibleAtPoint( const awt::Point& rPoint ) throw( RuntimeException )
213 {
214     ::osl::MutexGuard           aGuard( m_aMutex );
215 
216     ThrowExceptionIfNotAlive();
217 
218     Reference< XAccessible >    xRet;
219 
220     long                        nChild = PointToIndex( mpRepr->GetApproxRPFromPixPt( rPoint ), mbAngleMode );
221 
222     if( nChild != NOCHILDSELECTED )
223         xRet = getAccessibleChild( nChild );
224 
225     return xRet;
226 }
227 
228 awt::Rectangle SAL_CALL SvxRectCtlAccessibleContext::getBounds() throw( RuntimeException )
229 {
230     // no guard -> done in GetBoundingBox()
231     return AWTRectangle( GetBoundingBox() );
232 }
233 
234 awt::Point SAL_CALL SvxRectCtlAccessibleContext::getLocation() throw( RuntimeException )
235 {
236     // no guard -> done in GetBoundingBox()
237     return AWTPoint( GetBoundingBox().TopLeft() );
238 }
239 
240 awt::Point SAL_CALL SvxRectCtlAccessibleContext::getLocationOnScreen() throw( RuntimeException )
241 {
242     // no guard -> done in GetBoundingBoxOnScreen()
243     return AWTPoint( GetBoundingBoxOnScreen().TopLeft() );
244 }
245 
246 awt::Size SAL_CALL SvxRectCtlAccessibleContext::getSize() throw( RuntimeException )
247 {
248     // no guard -> done in GetBoundingBox()
249     return AWTSize( GetBoundingBox().GetSize() );
250 }
251 
252 sal_Bool SAL_CALL SvxRectCtlAccessibleContext::isShowing() throw( RuntimeException )
253 {
254     return sal_True;
255 }
256 
257 sal_Bool SAL_CALL SvxRectCtlAccessibleContext::isVisible() throw( RuntimeException )
258 {
259     ::osl::MutexGuard           aGuard( m_aMutex );
260 
261     ThrowExceptionIfNotAlive();
262 
263     return mpRepr->IsVisible();
264 }
265 
266 sal_Bool SAL_CALL SvxRectCtlAccessibleContext::isFocusTraversable() throw( RuntimeException )
267 {
268     return sal_True;
269 }
270 
271 //=====  XAccessibleContext  ==================================================
272 
273 sal_Int32 SAL_CALL SvxRectCtlAccessibleContext::getAccessibleChildCount( void ) throw( RuntimeException )
274 {
275     ::osl::MutexGuard   aGuard( m_aMutex );
276 
277     ThrowExceptionIfNotAlive();
278 
279     return mpRepr->GetNumOfChilds();
280 }
281 
282 Reference< XAccessible > SAL_CALL SvxRectCtlAccessibleContext::getAccessibleChild( sal_Int32 nIndex )
283     throw( RuntimeException, lang::IndexOutOfBoundsException )
284 {
285     checkChildIndex( nIndex );
286 
287     Reference< XAccessible >    xChild = mpChilds[ nIndex ];
288     if( !xChild.is() )
289     {
290         ::vos::OGuard       aSolarGuard( Application::GetSolarMutex() );
291 
292         ::osl::MutexGuard   aGuard( m_aMutex );
293 
294         ThrowExceptionIfNotAlive();
295 
296         xChild = mpChilds[ nIndex ];
297 
298         if( !xChild.is() )
299         {
300             const ChildIndexToPointData*    p = IndexToPoint( nIndex, mbAngleMode );
301             UniString       tmp = SVX_RESSTR( p->nResIdName );
302             ::rtl::OUString     aName( tmp );
303                         tmp = SVX_RESSTR( p->nResIdDescr );
304             ::rtl::OUString     aDescr( tmp );
305 
306             Rectangle       aFocusRect( mpRepr->CalculateFocusRectangle( p->ePoint ) );
307 
308             Rectangle       aBoundingBoxOnScreen( mpRepr->OutputToScreenPixel( aFocusRect.TopLeft() ), aFocusRect.GetSize() );
309 
310             SvxRectCtlChildAccessibleContext*   pChild = new SvxRectCtlChildAccessibleContext(
311                                                     this, *mpRepr, aName, aDescr, aFocusRect, nIndex );
312             xChild = mpChilds[ nIndex ] = pChild;
313             pChild->acquire();
314 
315             // set actual state
316             if( mnSelectedChild == nIndex )
317                 pChild->setStateChecked( sal_True );
318         }
319     }
320 
321     return xChild;
322 }
323 
324 Reference< XAccessible > SAL_CALL SvxRectCtlAccessibleContext::getAccessibleParent( void ) throw( RuntimeException )
325 {
326     return mxParent;
327 }
328 
329 sal_Int32 SAL_CALL SvxRectCtlAccessibleContext::getAccessibleIndexInParent( void ) throw( RuntimeException )
330 {
331     ::osl::MutexGuard   aGuard( m_aMutex );
332     //  Use a simple but slow solution for now.  Optimize later.
333 
334     //  Iterate over all the parent's children and search for this object.
335     if( mxParent.is() )
336     {
337         Reference< XAccessibleContext >     xParentContext( mxParent->getAccessibleContext() );
338         if( xParentContext.is() )
339         {
340             sal_Int32                       nChildCount = xParentContext->getAccessibleChildCount();
341             for( sal_Int32 i = 0 ; i < nChildCount ; ++i )
342             {
343                 Reference< XAccessible >    xChild( xParentContext->getAccessibleChild( i ) );
344                 if( xChild.get() == ( XAccessible* ) this )
345                     return i;
346             }
347         }
348    }
349 
350    //   Return -1 to indicate that this object's parent does not know about the
351    //   object.
352    return -1;
353 }
354 
355 sal_Int16 SAL_CALL SvxRectCtlAccessibleContext::getAccessibleRole( void ) throw( RuntimeException )
356 {
357     return AccessibleRole::PANEL;
358 }
359 
360 ::rtl::OUString SAL_CALL SvxRectCtlAccessibleContext::getAccessibleDescription( void ) throw( RuntimeException )
361 {
362     ::osl::MutexGuard   aGuard( m_aMutex );
363     return msDescription;
364 }
365 
366 ::rtl::OUString SAL_CALL SvxRectCtlAccessibleContext::getAccessibleName( void ) throw( RuntimeException )
367 {
368     ::osl::MutexGuard   aGuard( m_aMutex );
369     return msName;
370 }
371 
372 /** Return empty reference to indicate that the relation set is not
373     supported.
374 */
375 Reference< XAccessibleRelationSet > SAL_CALL SvxRectCtlAccessibleContext::getAccessibleRelationSet( void ) throw( RuntimeException )
376 {
377     return Reference< XAccessibleRelationSet >();
378 }
379 
380 Reference< XAccessibleStateSet > SAL_CALL SvxRectCtlAccessibleContext::getAccessibleStateSet( void ) throw( RuntimeException )
381 {
382     ::osl::MutexGuard                       aGuard( m_aMutex );
383     utl::AccessibleStateSetHelper*          pStateSetHelper = new utl::AccessibleStateSetHelper;
384 
385     if( IsAlive() )
386     {
387         // pStateSetHelper->AddState( AccessibleStateType::ENABLED );
388         // pStateSetHelper->AddState( AccessibleStateType::SENSITIVE );
389         pStateSetHelper->AddState( AccessibleStateType::FOCUSABLE );
390         if( mpRepr->HasFocus() )
391             pStateSetHelper->AddState( AccessibleStateType::FOCUSED );
392         pStateSetHelper->AddState( AccessibleStateType::OPAQUE );
393 
394         if( isShowing() )
395             pStateSetHelper->AddState( AccessibleStateType::SHOWING );
396 
397         if( isVisible() )
398             pStateSetHelper->AddState( AccessibleStateType::VISIBLE );
399     }
400     else
401         pStateSetHelper->AddState( AccessibleStateType::DEFUNC );
402 
403     return pStateSetHelper;
404 }
405 
406 lang::Locale SAL_CALL SvxRectCtlAccessibleContext::getLocale( void ) throw( IllegalAccessibleComponentStateException, RuntimeException )
407 {
408     ::osl::MutexGuard                           aGuard( m_aMutex );
409     if( mxParent.is() )
410     {
411         Reference< XAccessibleContext > xParentContext( mxParent->getAccessibleContext() );
412         if( xParentContext.is() )
413             return xParentContext->getLocale();
414     }
415 
416     //  No parent.  Therefore throw exception to indicate this cluelessness.
417     throw IllegalAccessibleComponentStateException();
418 }
419 
420 void SAL_CALL SvxRectCtlAccessibleContext::addEventListener( const Reference< XAccessibleEventListener >& xListener )
421     throw( RuntimeException )
422 {
423     if (xListener.is())
424     {
425         ::osl::MutexGuard   aGuard( m_aMutex );
426         if (!mnClientId)
427             mnClientId = comphelper::AccessibleEventNotifier::registerClient( );
428         comphelper::AccessibleEventNotifier::addEventListener( mnClientId, xListener );
429     }
430 }
431 
432 void SAL_CALL SvxRectCtlAccessibleContext::removeEventListener( const Reference< XAccessibleEventListener >& xListener )
433     throw( RuntimeException )
434 {
435     if (xListener.is())
436     {
437         ::osl::MutexGuard   aGuard( m_aMutex );
438 
439         sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( mnClientId, xListener );
440         if ( !nListenerCount )
441         {
442             // no listeners anymore
443             // -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
444             // and at least to us not firing any events anymore, in case somebody calls
445             // NotifyAccessibleEvent, again
446             comphelper::AccessibleEventNotifier::revokeClient( mnClientId );
447             mnClientId = 0;
448         }
449     }
450 }
451 
452 void SAL_CALL SvxRectCtlAccessibleContext::addFocusListener( const Reference< awt::XFocusListener >& xListener )
453     throw( RuntimeException )
454 {
455     if( xListener.is() )
456     {
457         ::osl::MutexGuard   aGuard( m_aMutex );
458 
459         ThrowExceptionIfNotAlive();
460 
461         Reference< awt::XWindow >   xWindow = VCLUnoHelper::GetInterface( mpRepr );
462         if( xWindow.is() )
463             xWindow->addFocusListener( xListener );
464     }
465 }
466 
467 void SAL_CALL SvxRectCtlAccessibleContext::removeFocusListener( const Reference< awt::XFocusListener >& xListener )
468     throw (RuntimeException)
469 {
470     if( xListener.is() )
471     {
472         ::osl::MutexGuard   aGuard( m_aMutex );
473 
474         ThrowExceptionIfNotAlive();
475 
476         Reference< awt::XWindow >   xWindow = VCLUnoHelper::GetInterface( mpRepr );
477         if( xWindow.is() )
478             xWindow->removeFocusListener( xListener );
479     }
480 }
481 
482 void SAL_CALL SvxRectCtlAccessibleContext::grabFocus() throw( RuntimeException )
483 {
484     ::vos::OGuard       aSolarGuard( Application::GetSolarMutex() );
485     ::osl::MutexGuard   aGuard( m_aMutex );
486 
487     ThrowExceptionIfNotAlive();
488 
489     mpRepr->GrabFocus();
490 }
491 
492 Any SAL_CALL SvxRectCtlAccessibleContext::getAccessibleKeyBinding() throw( RuntimeException )
493 {
494     // here is no implementation, because here are no KeyBindings for every object
495     return Any();
496 }
497 
498 sal_Int32 SvxRectCtlAccessibleContext::getForeground(  )
499         throw (::com::sun::star::uno::RuntimeException)
500 {
501     ::vos::OGuard       aSolarGuard( Application::GetSolarMutex() );
502     ::osl::MutexGuard   aGuard( m_aMutex );
503     ThrowExceptionIfNotAlive();
504 
505     return mpRepr->GetControlForeground().GetColor();
506 }
507 sal_Int32 SvxRectCtlAccessibleContext::getBackground(  )
508         throw (::com::sun::star::uno::RuntimeException)
509 {
510     ::vos::OGuard       aSolarGuard( Application::GetSolarMutex() );
511     ::osl::MutexGuard   aGuard( m_aMutex );
512     ThrowExceptionIfNotAlive();
513 
514     return mpRepr->GetControlBackground().GetColor();
515 }
516 
517 //=====  XServiceInfo  ========================================================
518 
519 ::rtl::OUString SAL_CALL SvxRectCtlAccessibleContext::getImplementationName( void ) throw( RuntimeException )
520 {
521     return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.ui.SvxRectCtlAccessibleContext" ) );
522 }
523 
524 sal_Bool SAL_CALL SvxRectCtlAccessibleContext::supportsService( const ::rtl::OUString& sServiceName ) throw( RuntimeException )
525 {
526     ::osl::MutexGuard   aGuard( m_aMutex );
527     //  Iterate over all supported service names and return true if on of them
528     //  matches the given name.
529     Sequence< ::rtl::OUString > aSupportedServices( getSupportedServiceNames() );
530     int                     nLength = aSupportedServices.getLength();
531     const ::rtl::OUString*          pStr = aSupportedServices.getConstArray();
532 
533     for( int i = nLength ; i ; --i, ++pStr )
534     {
535         if( sServiceName == *pStr )
536             return sal_True;
537     }
538 
539     return sal_False;
540 }
541 
542 Sequence< ::rtl::OUString > SAL_CALL SvxRectCtlAccessibleContext::getSupportedServiceNames( void ) throw( RuntimeException )
543 {
544     const ::rtl::OUString sServiceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.accessibility.AccessibleContext" ) );
545     return Sequence< ::rtl::OUString >( &sServiceName, 1 );
546 }
547 
548 //=====  XTypeProvider  =======================================================
549 
550 Sequence< sal_Int8 > SAL_CALL SvxRectCtlAccessibleContext::getImplementationId( void ) throw( RuntimeException )
551 {
552     return getUniqueId();
553 }
554 
555 //=====  XAccessibleSelection =============================================
556 
557 void SAL_CALL SvxRectCtlAccessibleContext::selectAccessibleChild( sal_Int32 nIndex ) throw( lang::IndexOutOfBoundsException, RuntimeException )
558 {
559     ::vos::OGuard       aSolarGuard( Application::GetSolarMutex() );
560 
561     ::osl::MutexGuard   aGuard( m_aMutex );
562 
563     checkChildIndex( nIndex );
564 
565     ThrowExceptionIfNotAlive();
566 
567     const ChildIndexToPointData*    pData = IndexToPoint( nIndex, mbAngleMode );
568 
569     DBG_ASSERT( pData,
570         "SvxRectCtlAccessibleContext::selectAccessibleChild(): this is an impossible state! Or at least should be..." );
571 
572     // this does all wich is needed, including the change of the child's state!
573     mpRepr->SetActualRP( pData->ePoint );
574 }
575 
576 sal_Bool SAL_CALL SvxRectCtlAccessibleContext::isAccessibleChildSelected( sal_Int32 nIndex ) throw( lang::IndexOutOfBoundsException, RuntimeException )
577 {
578     ::osl::MutexGuard   aGuard( m_aMutex );
579 
580     checkChildIndex( nIndex );
581 
582     return nIndex == mnSelectedChild;
583 }
584 
585 void SAL_CALL SvxRectCtlAccessibleContext::clearAccessibleSelection() throw( RuntimeException )
586 {
587     DBG_ASSERT( sal_False, "SvxRectCtlAccessibleContext::clearAccessibleSelection() is not possible!" );
588 }
589 
590 void SAL_CALL SvxRectCtlAccessibleContext::selectAllAccessibleChildren() throw( RuntimeException )
591 {
592     // guard in selectAccessibleChild()!
593 
594     selectAccessibleChild( 0 );     // default per definition
595 }
596 
597 sal_Int32 SAL_CALL SvxRectCtlAccessibleContext::getSelectedAccessibleChildCount() throw( RuntimeException )
598 {
599     ::osl::MutexGuard   aGuard( m_aMutex );
600 
601     return mnSelectedChild == NOCHILDSELECTED? 0 : 1;
602 }
603 
604 Reference< XAccessible > SAL_CALL SvxRectCtlAccessibleContext::getSelectedAccessibleChild( sal_Int32 nIndex )
605     throw( lang::IndexOutOfBoundsException, RuntimeException )
606 {
607     ::osl::MutexGuard   aGuard( m_aMutex );
608 
609     checkChildIndexOnSelection( nIndex );
610 
611     return getAccessibleChild( mnSelectedChild );
612 }
613 
614 void SAL_CALL SvxRectCtlAccessibleContext::deselectAccessibleChild( sal_Int32 /*nIndex*/ ) throw( lang::IndexOutOfBoundsException, RuntimeException )
615 {
616     ::rtl::OUString aMessage( RTL_CONSTASCII_USTRINGPARAM( "deselectAccessibleChild is not possible in this context" ) );
617 
618     DBG_ASSERT( sal_False, "SvxRectCtlAccessibleContext::deselectAccessibleChild() is not possible!" );
619 
620     throw lang::IndexOutOfBoundsException( aMessage, *this );   // never possible
621 }
622 
623 //=====  internals ========================================================
624 
625 void SvxRectCtlAccessibleContext::checkChildIndex( long nIndex ) throw( lang::IndexOutOfBoundsException )
626 {
627     if( nIndex < 0 || nIndex >= getAccessibleChildCount() )
628         throw lang::IndexOutOfBoundsException();
629 }
630 
631 void SvxRectCtlAccessibleContext::checkChildIndexOnSelection( long nIndex ) throw( lang::IndexOutOfBoundsException )
632 {
633     if( nIndex || mnSelectedChild == NOCHILDSELECTED )
634         // in our case only for the first (0) _selected_ child this is a valid request
635         throw lang::IndexOutOfBoundsException();
636 }
637 
638 void SvxRectCtlAccessibleContext::selectChild( long nNew )
639 {
640     ::osl::MutexGuard   aGuard( m_aMutex );
641     if( nNew != mnSelectedChild )
642     {
643         long    nNumOfChilds = getAccessibleChildCount();
644         if( nNew < nNumOfChilds )
645         {   // valid index
646             SvxRectCtlChildAccessibleContext*   pChild;
647             if( mnSelectedChild != NOCHILDSELECTED )
648             {   // deselect old selected child if one is selected
649                 pChild = mpChilds[ mnSelectedChild ];
650                 if( pChild )
651                     pChild->setStateChecked( sal_False );
652             }
653 
654             // select new child
655             mnSelectedChild = nNew;
656 
657             if( nNew != NOCHILDSELECTED )
658             {
659                 pChild = mpChilds[ nNew ];
660                 if( pChild )
661                     pChild->setStateChecked( sal_True );
662             }
663         }
664         else
665             mnSelectedChild = NOCHILDSELECTED;
666     }
667 }
668 
669 void SvxRectCtlAccessibleContext::selectChild( RECT_POINT eButton )
670 {
671     // no guard -> is done in next selectChild
672     selectChild( PointToIndex( eButton, mbAngleMode ) );
673 }
674 
675 void SvxRectCtlAccessibleContext::setName( const ::rtl::OUString& rName )
676 {
677     Any                     aPreVal, aPostVal;
678     {
679         ::osl::MutexGuard   aGuard( m_aMutex );
680 
681         aPreVal <<= msName;
682         aPostVal <<= rName;
683 
684         msName = rName;
685     }
686 
687     const Reference< XInterface >   xSource( *this );
688     CommitChange( AccessibleEventObject( xSource, AccessibleEventId::NAME_CHANGED, aPreVal, aPostVal ) );
689 }
690 
691 void SvxRectCtlAccessibleContext::setDescription( const ::rtl::OUString& rDescr )
692 {
693     Any                     aPreVal, aPostVal;
694     {
695         ::osl::MutexGuard   aGuard( m_aMutex );
696 
697         aPreVal <<= msDescription;
698         aPostVal <<= rDescr;
699 
700         msDescription = rDescr;
701     }
702 
703     const Reference< XInterface >   xSource( *this );
704     CommitChange( AccessibleEventObject( xSource, AccessibleEventId::DESCRIPTION_CHANGED, aPreVal, aPostVal ) );
705 }
706 
707 void SvxRectCtlAccessibleContext::CommitChange( const AccessibleEventObject& rEvent )
708 {
709     if (mnClientId)
710         comphelper::AccessibleEventNotifier::addEvent( mnClientId, rEvent );
711 }
712 
713 void SAL_CALL SvxRectCtlAccessibleContext::disposing()
714 {
715     if( !rBHelper.bDisposed )
716     {
717         {
718             ::osl::MutexGuard   aGuard( m_aMutex );
719             mpRepr = NULL;      // object dies with representation
720 
721             SvxRectCtlChildAccessibleContext**  p = mpChilds;
722             for( int i = MAX_NUM_OF_CHILDS ; i ; --i, ++p )
723             {
724                 SvxRectCtlChildAccessibleContext*   pChild = *p;
725                 if( pChild )
726                 {
727                     pChild->dispose();
728                     pChild->release();
729                     *p = NULL;
730                 }
731             }
732 
733             delete[] mpChilds;
734             mpChilds = NULL;
735         }
736 
737         {
738             ::osl::MutexGuard   aGuard( m_aMutex );
739 
740             // Send a disposing to all listeners.
741             if ( mnClientId )
742             {
743                 comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( mnClientId, *this );
744                 mnClientId =  0;
745             }
746 
747             mxParent = Reference< XAccessible >();
748         }
749     }
750 }
751 
752 Rectangle SvxRectCtlAccessibleContext::GetBoundingBoxOnScreen( void ) throw( RuntimeException )
753 {
754     ::vos::OGuard       aSolarGuard( Application::GetSolarMutex() );
755     ::osl::MutexGuard   aGuard( m_aMutex );
756 
757     ThrowExceptionIfNotAlive();
758 
759     return Rectangle( mpRepr->GetParent()->OutputToScreenPixel( mpRepr->GetPosPixel() ), mpRepr->GetSizePixel() );
760 }
761 
762 Rectangle SvxRectCtlAccessibleContext::GetBoundingBox( void ) throw( RuntimeException )
763 {
764     ::vos::OGuard       aSolarGuard( Application::GetSolarMutex() );
765     ::osl::MutexGuard   aGuard( m_aMutex );
766 
767     ThrowExceptionIfNotAlive();
768 
769     return Rectangle( mpRepr->GetPosPixel(), mpRepr->GetSizePixel() );
770 }
771 
772 Sequence< sal_Int8 > SvxRectCtlAccessibleContext::getUniqueId( void )
773 {
774     static OImplementationId*   pId = 0;
775     if( !pId )
776     {
777         MutexGuard                      aGuard( Mutex::getGlobalMutex() );
778         if( !pId)
779         {
780             static OImplementationId    aId;
781             pId = &aId;
782         }
783     }
784     return pId->getImplementationId();
785 }
786 
787 void SvxRectCtlAccessibleContext::ThrowExceptionIfNotAlive( void ) throw( lang::DisposedException )
788 {
789     if( IsNotAlive() )
790         throw lang::DisposedException();
791 }
792 
793 // -------------------------------------------------------------------------------------------------
794 
795 
796 DBG_NAME( SvxRectCtlChildAccessibleContext )
797 
798 
799 SvxRectCtlChildAccessibleContext::SvxRectCtlChildAccessibleContext(
800     const Reference<XAccessible>&   rxParent,
801     const Window&                       rParentWindow,
802     const ::rtl::OUString&              rName,
803     const ::rtl::OUString&              rDescription,
804     const Rectangle&                    rBoundingBox,
805     long                                nIndexInParent ) :
806 
807     SvxRectCtlChildAccessibleContext_Base( maMutex ),
808     msDescription( rDescription ),
809     msName( rName ),
810     mxParent(rxParent),
811     mpBoundingBox( new Rectangle( rBoundingBox ) ),
812     mrParentWindow( rParentWindow ),
813     mnClientId( 0 ),
814     mnIndexInParent( nIndexInParent ),
815     mbIsChecked( sal_False )
816 {
817     DBG_CTOR( SvxRectCtlChildAccessibleContext, NULL );
818 }
819 
820 
821 SvxRectCtlChildAccessibleContext::~SvxRectCtlChildAccessibleContext()
822 {
823     DBG_DTOR( SvxRectCtlChildAccessibleContext, NULL );
824 
825     if( IsAlive() )
826     {
827         osl_incrementInterlockedCount( &m_refCount );
828         dispose();      // set mpRepr = NULL & release all childs
829     }
830 }
831 
832 //=====  XAccessible  =========================================================
833 
834 Reference< XAccessibleContext> SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleContext( void ) throw( RuntimeException )
835 {
836     return this;
837 }
838 
839 //=====  XAccessibleComponent  ================================================
840 
841 sal_Bool SAL_CALL SvxRectCtlChildAccessibleContext::containsPoint( const awt::Point& rPoint ) throw( RuntimeException )
842 {
843     // no guard -> done in getBounds()
844 //  return GetBoundingBox().IsInside( VCLPoint( rPoint ) );
845     return Rectangle( Point( 0, 0 ), GetBoundingBox().GetSize() ).IsInside( VCLPoint( rPoint ) );
846 }
847 
848 Reference< XAccessible > SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleAtPoint( const awt::Point& /*rPoint*/ ) throw( RuntimeException )
849 {
850     return Reference< XAccessible >();
851 }
852 
853 awt::Rectangle SAL_CALL SvxRectCtlChildAccessibleContext::getBounds() throw( RuntimeException )
854 {
855     // no guard -> done in getBoundingBox()
856     return AWTRectangle( GetBoundingBox() );
857 }
858 
859 awt::Point SAL_CALL SvxRectCtlChildAccessibleContext::getLocation() throw( RuntimeException )
860 {
861     // no guard -> done in getBoundingBox()
862     return AWTPoint( GetBoundingBox().TopLeft() );
863 }
864 
865 awt::Point SAL_CALL SvxRectCtlChildAccessibleContext::getLocationOnScreen() throw( RuntimeException )
866 {
867     // no guard -> done in getBoundingBoxOnScreen()
868     return AWTPoint( GetBoundingBoxOnScreen().TopLeft() );
869 }
870 
871 awt::Size SAL_CALL SvxRectCtlChildAccessibleContext::getSize() throw( RuntimeException )
872 {
873     // no guard -> done in getBoundingBox()
874     return AWTSize( GetBoundingBox().GetSize() );
875 }
876 
877 sal_Bool SAL_CALL SvxRectCtlChildAccessibleContext::isShowing() throw( RuntimeException )
878 {
879     return sal_True;
880 }
881 
882 sal_Bool SAL_CALL SvxRectCtlChildAccessibleContext::isVisible() throw( RuntimeException )
883 {
884     ::osl::MutexGuard                   aGuard( maMutex );
885 
886     ThrowExceptionIfNotAlive();
887 
888     return mxParent.is()? ( static_cast< SvxRectCtlAccessibleContext* >( mxParent.get() ) )->isVisible() : sal_False;
889 }
890 
891 sal_Bool SAL_CALL SvxRectCtlChildAccessibleContext::isFocusTraversable() throw( RuntimeException )
892 {
893     return sal_False;
894 }
895 
896 void SAL_CALL SvxRectCtlChildAccessibleContext::addFocusListener( const Reference< awt::XFocusListener >& /*xListener*/ )
897     throw( RuntimeException )
898 {
899     OSL_ENSURE( false, "SvxRectCtlChildAccessibleContext::addFocusListener: not implemented" );
900 }
901 
902 void SAL_CALL SvxRectCtlChildAccessibleContext::removeFocusListener( const Reference< awt::XFocusListener >& /*xListener*/ )
903     throw (RuntimeException)
904 {
905     OSL_ENSURE( false, "SvxRectCtlChildAccessibleContext::removeFocusListener: not implemented" );
906 }
907 
908 void SAL_CALL SvxRectCtlChildAccessibleContext::grabFocus() throw( RuntimeException )
909 {
910 }
911 
912 Any SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleKeyBinding() throw( RuntimeException )
913 {
914     // here is no implementation, because here are no KeyBindings for every object
915     return Any();
916 }
917 sal_Int32 SvxRectCtlChildAccessibleContext::getForeground(  )
918         throw (::com::sun::star::uno::RuntimeException)
919 {
920     ::vos::OGuard       aSolarGuard( Application::GetSolarMutex() );
921     ::osl::MutexGuard   aGuard( maMutex );
922     ThrowExceptionIfNotAlive();
923     return mrParentWindow.GetControlForeground().GetColor();
924 }
925 sal_Int32 SvxRectCtlChildAccessibleContext::getBackground(  )
926         throw (::com::sun::star::uno::RuntimeException)
927 {
928     ::vos::OGuard       aSolarGuard( Application::GetSolarMutex() );
929     ::osl::MutexGuard   aGuard( maMutex );
930 
931     ThrowExceptionIfNotAlive();
932     return mrParentWindow.GetControlBackground().GetColor();
933 }
934 
935 //=====  XAccessibleContext  ==================================================
936 
937 sal_Int32 SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleChildCount( void ) throw( RuntimeException )
938 {
939     return 0;
940 }
941 
942 Reference< XAccessible > SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleChild( sal_Int32 /*nIndex*/ ) throw ( RuntimeException, lang::IndexOutOfBoundsException )
943 {
944     throw lang::IndexOutOfBoundsException();
945 }
946 
947 Reference< XAccessible > SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleParent( void ) throw( RuntimeException )
948 {
949     return mxParent;
950 }
951 
952 sal_Int32 SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleIndexInParent( void ) throw( RuntimeException )
953 {
954    return mnIndexInParent;
955 }
956 
957 sal_Int16 SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleRole( void ) throw( RuntimeException )
958 {
959     return AccessibleRole::RADIO_BUTTON;
960 }
961 
962 ::rtl::OUString SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleDescription( void ) throw( RuntimeException )
963 {
964     ::osl::MutexGuard   aGuard( maMutex );
965     return msDescription;
966 }
967 
968 ::rtl::OUString SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleName( void ) throw( RuntimeException )
969 {
970     ::osl::MutexGuard   aGuard( maMutex );
971     return msName;
972 }
973 
974 /** Return empty reference to indicate that the relation set is not
975     supported.
976 */
977 Reference<XAccessibleRelationSet> SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleRelationSet( void ) throw( RuntimeException )
978 {
979     return Reference< XAccessibleRelationSet >();
980 }
981 
982 Reference< XAccessibleStateSet > SAL_CALL SvxRectCtlChildAccessibleContext::getAccessibleStateSet( void ) throw( RuntimeException )
983 {
984     ::osl::MutexGuard                       aGuard( maMutex );
985     utl::AccessibleStateSetHelper*          pStateSetHelper = new utl::AccessibleStateSetHelper;
986 
987     if( IsAlive() )
988     {
989         if( mbIsChecked )
990         {
991             pStateSetHelper->AddState( AccessibleStateType::CHECKED );
992 //          pStateSetHelper->AddState( AccessibleStateType::SELECTED );
993         }
994 
995         pStateSetHelper->AddState( AccessibleStateType::ENABLED );
996         pStateSetHelper->AddState( AccessibleStateType::SENSITIVE );
997         pStateSetHelper->AddState( AccessibleStateType::OPAQUE );
998         pStateSetHelper->AddState( AccessibleStateType::SELECTABLE );
999         pStateSetHelper->AddState( AccessibleStateType::SHOWING );
1000         pStateSetHelper->AddState( AccessibleStateType::VISIBLE );
1001     }
1002     else
1003         pStateSetHelper->AddState( AccessibleStateType::DEFUNC );
1004 
1005     return pStateSetHelper;
1006 }
1007 
1008 lang::Locale SAL_CALL SvxRectCtlChildAccessibleContext::getLocale( void ) throw( IllegalAccessibleComponentStateException, RuntimeException )
1009 {
1010     ::osl::MutexGuard                       aGuard( maMutex );
1011     if( mxParent.is() )
1012     {
1013         Reference< XAccessibleContext >     xParentContext( mxParent->getAccessibleContext() );
1014         if( xParentContext.is() )
1015             return xParentContext->getLocale();
1016     }
1017 
1018     //  No locale and no parent.  Therefore throw exception to indicate this
1019     //  cluelessness.
1020     throw IllegalAccessibleComponentStateException();
1021 }
1022 
1023 void SAL_CALL SvxRectCtlChildAccessibleContext::addEventListener( const Reference< XAccessibleEventListener >& xListener )
1024     throw( RuntimeException )
1025 {
1026     if (xListener.is())
1027     {
1028         ::osl::MutexGuard   aGuard( maMutex );
1029         if (!mnClientId)
1030             mnClientId = comphelper::AccessibleEventNotifier::registerClient( );
1031         comphelper::AccessibleEventNotifier::addEventListener( mnClientId, xListener );
1032     }
1033 }
1034 
1035 
1036 
1037 
1038 void SAL_CALL SvxRectCtlChildAccessibleContext::removeEventListener( const Reference< XAccessibleEventListener >& xListener )
1039     throw( RuntimeException )
1040 {
1041     if (xListener.is())
1042     {
1043         ::osl::MutexGuard   aGuard( maMutex );
1044 
1045         sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( mnClientId, xListener );
1046         if ( !nListenerCount )
1047         {
1048             // no listeners anymore
1049             // -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
1050             // and at least to us not firing any events anymore, in case somebody calls
1051             // NotifyAccessibleEvent, again
1052             comphelper::AccessibleEventNotifier::revokeClient( mnClientId );
1053             mnClientId = 0;
1054         }
1055     }
1056 }
1057 
1058 //=====  XAccessibleValue  ================================================
1059 
1060 Any SAL_CALL SvxRectCtlChildAccessibleContext::getCurrentValue() throw( RuntimeException )
1061 {
1062     ThrowExceptionIfNotAlive();
1063 
1064     Any aRet;
1065     aRet <<= ( mbIsChecked? 1.0 : 0.0 );
1066     return aRet;
1067 }
1068 
1069 sal_Bool SAL_CALL SvxRectCtlChildAccessibleContext::setCurrentValue( const Any& /*aNumber*/ ) throw( RuntimeException )
1070 {
1071     return sal_False;
1072 }
1073 
1074 Any SAL_CALL SvxRectCtlChildAccessibleContext::getMaximumValue() throw( RuntimeException )
1075 {
1076     Any aRet;
1077     aRet <<= 1.0;
1078     return aRet;
1079 }
1080 
1081 Any SAL_CALL SvxRectCtlChildAccessibleContext::getMinimumValue() throw( RuntimeException )
1082 {
1083     Any aRet;
1084     aRet <<= 0.0;
1085     return aRet;
1086 }
1087 
1088 //=====  XServiceInfo  ========================================================
1089 
1090 ::rtl::OUString SAL_CALL SvxRectCtlChildAccessibleContext::getImplementationName( void ) throw( RuntimeException )
1091 {
1092     return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.ui.SvxRectCtlChildAccessibleContext" ) );
1093 }
1094 
1095 sal_Bool SAL_CALL SvxRectCtlChildAccessibleContext::supportsService( const ::rtl::OUString& sServiceName ) throw( RuntimeException )
1096 {
1097     //  Iterate over all supported service names and return true if on of them
1098     //  matches the given name.
1099     ::osl::MutexGuard   aGuard( maMutex );
1100     Sequence< ::rtl::OUString > aSupportedServices ( getSupportedServiceNames() );
1101     int                     nLength = aSupportedServices.getLength();
1102     for( int i = 0 ; i < nLength; ++i )
1103     {
1104         if( sServiceName == aSupportedServices[ i ] )
1105             return sal_True;
1106     }
1107 
1108     return sal_False;
1109 }
1110 
1111 Sequence< ::rtl::OUString > SAL_CALL SvxRectCtlChildAccessibleContext::getSupportedServiceNames( void ) throw( RuntimeException )
1112 {
1113     const ::rtl::OUString sServiceName (RTL_CONSTASCII_USTRINGPARAM ("com.sun.star.accessibility.AccessibleContext"));
1114     return Sequence< ::rtl::OUString >( &sServiceName, 1 );
1115 }
1116 
1117 //=====  XTypeProvider  =======================================================
1118 
1119 Sequence< sal_Int8 > SAL_CALL SvxRectCtlChildAccessibleContext::getImplementationId( void ) throw( RuntimeException )
1120 {
1121     static OImplementationId*   pId = 0;
1122     if( !pId )
1123     {
1124         MutexGuard                      aGuard( Mutex::getGlobalMutex() );
1125         if( !pId)
1126         {
1127             static OImplementationId    aId;
1128             pId = &aId;
1129         }
1130     }
1131     return pId->getImplementationId();
1132 }
1133 
1134 //=====  internal  ============================================================
1135 
1136 void SvxRectCtlChildAccessibleContext::CommitChange( const AccessibleEventObject& rEvent )
1137 {
1138     if (mnClientId)
1139         comphelper::AccessibleEventNotifier::addEvent( mnClientId, rEvent );
1140 }
1141 
1142 void SAL_CALL SvxRectCtlChildAccessibleContext::disposing()
1143 {
1144     if( !rBHelper.bDisposed )
1145     {
1146         ::osl::MutexGuard   aGuard( maMutex );
1147 
1148         // Send a disposing to all listeners.
1149         if ( mnClientId )
1150         {
1151             comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( mnClientId, *this );
1152             mnClientId =  0;
1153         }
1154 
1155         mxParent = Reference< XAccessible >();
1156 
1157         delete mpBoundingBox;
1158     }
1159 }
1160 
1161 void SvxRectCtlChildAccessibleContext::ThrowExceptionIfNotAlive( void ) throw( lang::DisposedException )
1162 {
1163     if( IsNotAlive() )
1164         throw lang::DisposedException();
1165 }
1166 
1167 Rectangle SvxRectCtlChildAccessibleContext::GetBoundingBoxOnScreen( void ) throw( RuntimeException )
1168 {
1169     ::osl::MutexGuard   aGuard( maMutex );
1170 
1171     // no ThrowExceptionIfNotAlive() because its done in GetBoundingBox()
1172     Rectangle           aRect( GetBoundingBox() );
1173 
1174     return Rectangle( mrParentWindow.OutputToScreenPixel( aRect.TopLeft() ), aRect.GetSize() );
1175 }
1176 
1177 Rectangle SvxRectCtlChildAccessibleContext::GetBoundingBox( void ) throw( RuntimeException )
1178 {
1179     // no guard neccessary, because no one changes mpBoundingBox after creating it
1180     ThrowExceptionIfNotAlive();
1181 
1182     return *mpBoundingBox;
1183 }
1184 
1185 void SvxRectCtlChildAccessibleContext::setStateChecked( sal_Bool bChecked )
1186 {
1187     if( mbIsChecked != bChecked )
1188     {
1189         mbIsChecked = bChecked;
1190 
1191         const Reference< XInterface >   xSource( *this );
1192 
1193         Any                             aOld;
1194         Any                             aNew;
1195         Any&                            rMod = bChecked? aNew : aOld;
1196 
1197         rMod <<= AccessibleStateType::CHECKED;
1198 
1199         CommitChange( AccessibleEventObject( xSource, AccessibleEventId::STATE_CHANGED, aNew, aOld ) );
1200     }
1201 }
1202 
1203