LCOV - code coverage report
Current view: top level - accessibility/source/extended - accessiblelistbox.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 275 0.0 %
Date: 2014-04-14 Functions: 0 35 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <accessibility/extended/accessiblelistbox.hxx>
      21             : #include <accessibility/extended/accessiblelistboxentry.hxx>
      22             : #include <svtools/treelistbox.hxx>
      23             : #include <svtools/treelistentry.hxx>
      24             : #include <com/sun/star/awt/Point.hpp>
      25             : #include <com/sun/star/awt/Rectangle.hpp>
      26             : #include <com/sun/star/awt/Size.hpp>
      27             : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
      28             : #include <com/sun/star/accessibility/AccessibleRole.hpp>
      29             : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
      30             : #include <cppuhelper/supportsservice.hxx>
      31             : #include <vcl/svapp.hxx>
      32             : #include <toolkit/awt/vclxwindow.hxx>
      33             : #include <toolkit/helper/convert.hxx>
      34             : #include <unotools/accessiblestatesethelper.hxx>
      35             : 
      36             : 
      37             : namespace accessibility
      38             : {
      39             : 
      40             : 
      41             :     // class AccessibleListBox -----------------------------------------------------
      42             : 
      43             :     using namespace ::com::sun::star::accessibility;
      44             :     using namespace ::com::sun::star::uno;
      45             :     using namespace ::com::sun::star::lang;
      46             :     using namespace ::com::sun::star;
      47             : 
      48             : 
      49             :     // Ctor() and Dtor()
      50             : 
      51           0 :     AccessibleListBox::AccessibleListBox( SvTreeListBox& _rListBox, const Reference< XAccessible >& _xParent ) :
      52             : 
      53             :         VCLXAccessibleComponent( _rListBox.GetWindowPeer() ),
      54           0 :         m_xParent( _xParent )
      55             :     {
      56           0 :     }
      57             : 
      58           0 :     AccessibleListBox::~AccessibleListBox()
      59             :     {
      60           0 :         if ( isAlive() )
      61             :         {
      62             :             // increment ref count to prevent double call of Dtor
      63           0 :             osl_atomic_increment( &m_refCount );
      64           0 :             dispose();
      65             :         }
      66           0 :     }
      67           0 :     IMPLEMENT_FORWARD_XINTERFACE2(AccessibleListBox, VCLXAccessibleComponent, AccessibleListBox_BASE)
      68           0 :     IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleListBox, VCLXAccessibleComponent, AccessibleListBox_BASE)
      69             : 
      70           0 :     SvTreeListBox* AccessibleListBox::getListBox() const
      71             :     {
      72           0 :         return  static_cast< SvTreeListBox* >( const_cast<AccessibleListBox*>(this)->GetWindow() );
      73             :     }
      74             : 
      75           0 :     void AccessibleListBox::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
      76             :     {
      77           0 :         if ( isAlive() )
      78             :         {
      79           0 :             switch ( rVclWindowEvent.GetId() )
      80             :             {
      81             :             case  VCLEVENT_CHECKBOX_TOGGLE :
      82             :                 {
      83           0 :                     if ( !getListBox() || !getListBox()->HasFocus() )
      84             :                     {
      85           0 :                         return;
      86             :                     }
      87           0 :                     AccessibleListBoxEntry* pCurOpEntry = GetCurEventEntry(rVclWindowEvent);
      88           0 :                     if(!pCurOpEntry)
      89             :                     {
      90           0 :                         return ;
      91             :                     }
      92           0 :                     uno::Any aValue;
      93           0 :                     aValue <<= AccessibleStateType::CHECKED;
      94             : 
      95           0 :                     if ( getListBox()->GetCheckButtonState( pCurOpEntry->GetSvLBoxEntry() ) == SV_BUTTON_CHECKED )
      96             :                     {
      97           0 :                         pCurOpEntry->NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, uno::Any(), aValue );
      98             :                     }
      99             :                     else
     100             :                     {
     101           0 :                         pCurOpEntry->NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aValue,uno::Any() );
     102             :                     }
     103           0 :                     break;
     104             :                 }
     105             : 
     106             :             case VCLEVENT_LISTBOX_SELECT :
     107             :                 {
     108             :                     OSL_FAIL("Debug: Treelist shouldn't use VCLEVENT_LISTBOX_SELECT");
     109           0 :                     break;
     110             :                 }
     111             : 
     112             :             case VCLEVENT_LISTBOX_TREESELECT:
     113             :                 {
     114           0 :                     if ( getListBox() && getListBox()->HasFocus() )
     115             :                     {
     116           0 :                         AccessibleListBoxEntry* pEntry =static_cast< AccessibleListBoxEntry* >(m_xFocusedChild.get());
     117           0 :                         if (pEntry)
     118             :                         {
     119           0 :                             pEntry->NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
     120             :                         }
     121             :                     }
     122             :                 }
     123           0 :                 break;
     124             :             case VCLEVENT_LISTBOX_TREEFOCUS:
     125             :                 {
     126           0 :                     SvTreeListBox* pBox = getListBox();
     127           0 :                     sal_Bool bNeedFocus = sal_False;
     128           0 :                     if (pBox)
     129             :                     {
     130           0 :                         Window* pParent = ((Window*)pBox)->GetParent();
     131           0 :                         if (pParent && pParent->GetType() == WINDOW_FLOATINGWINDOW)
     132             :                         {
     133             :                             // MT: ImplGetAppSVData shouldn't be exported from VCL.
     134             :                             // In which scenario is this needed?
     135             :                             // If needed, we need to find an other solution
     136             :                             /*
     137             :                               ImplSVData* pSVData = ImplGetAppSVData();
     138             :                               if (pSVData && pSVData->maWinData.mpFirstFloat == (FloatingWindow*)pParent)
     139             :                               bNeedFocus = sal_True;
     140             :                             */
     141             :                         }
     142             :                     }
     143           0 :                     if( pBox && (pBox->HasFocus() || bNeedFocus) )
     144             :                     {
     145           0 :                         uno::Any aOldValue, aNewValue;
     146           0 :                         SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
     147           0 :                         if ( pEntry )
     148             :                         {
     149           0 :                             AccessibleListBoxEntry* pEntryFocus =static_cast< AccessibleListBoxEntry* >(m_xFocusedChild.get());
     150           0 :                             if (pEntryFocus && pEntryFocus->GetSvLBoxEntry() == pEntry)
     151             :                             {
     152           0 :                                 aOldValue <<= uno::Any();
     153           0 :                                 aNewValue <<= m_xFocusedChild;
     154           0 :                                 NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
     155           0 :                                 return ;
     156             :                             }
     157             : 
     158           0 :                             aOldValue <<= m_xFocusedChild;
     159             : 
     160           0 :                             MAP_ENTRY::iterator mi = m_mapEntry.find(pEntry);
     161           0 :                             if(mi != m_mapEntry.end())
     162             :                             {
     163             :                                 OSL_ASSERT(mi->second.get() != NULL);
     164           0 :                                 m_xFocusedChild = mi->second;
     165             :                             }
     166             :                             else
     167             :                             {
     168           0 :                                 AccessibleListBoxEntry *pEntNew = new AccessibleListBoxEntry( *getListBox(), pEntry, NULL );
     169           0 :                                 m_xFocusedChild = pEntNew;
     170           0 :                                 m_mapEntry.insert(MAP_ENTRY::value_type(pEntry,pEntNew));
     171             :                             }
     172             : 
     173           0 :                             aNewValue <<= m_xFocusedChild;
     174           0 :                             NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
     175             :                         }
     176             :                         else
     177             :                         {
     178           0 :                             aOldValue <<= uno::Any();
     179           0 :                             aNewValue <<= AccessibleStateType::FOCUSED;
     180           0 :                             NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
     181           0 :                         }
     182             :                     }
     183             :                 }
     184           0 :                 break;
     185             :             case VCLEVENT_LISTBOX_ITEMREMOVED:
     186             :                 {
     187           0 :                     SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
     188           0 :                     if ( pEntry )
     189             :                     {
     190           0 :                         RemoveChildEntries(pEntry);
     191             :                     }
     192             :                     else
     193             :                     {
     194             :                         // NULL means Clear()
     195           0 :                         MAP_ENTRY::iterator mi = m_mapEntry.begin();
     196           0 :                         for ( ; mi != m_mapEntry.end() ; ++mi)
     197             :                         {
     198           0 :                             uno::Any aNewValue;
     199           0 :                             uno::Any aOldValue;
     200           0 :                             aOldValue <<= mi->second;
     201           0 :                             NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue );
     202           0 :                         }
     203           0 :                         m_mapEntry.clear();
     204             :                     }
     205             :                 }
     206           0 :                 break;
     207             : 
     208             :                 // #i92103#
     209             :             case VCLEVENT_ITEM_EXPANDED :
     210             :             case VCLEVENT_ITEM_COLLAPSED :
     211             :                 {
     212           0 :                     SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
     213           0 :                     if ( pEntry )
     214             :                     {
     215             :                         AccessibleListBoxEntry* pAccListBoxEntry =
     216           0 :                             new AccessibleListBoxEntry( *getListBox(), pEntry, this );
     217           0 :                         Reference< XAccessible > xChild = pAccListBoxEntry;
     218             :                         const short nAccEvent =
     219           0 :                                 ( rVclWindowEvent.GetId() == VCLEVENT_ITEM_EXPANDED )
     220             :                                 ? AccessibleEventId::LISTBOX_ENTRY_EXPANDED
     221           0 :                                 : AccessibleEventId::LISTBOX_ENTRY_COLLAPSED;
     222           0 :                         uno::Any aListBoxEntry;
     223           0 :                         aListBoxEntry <<= xChild;
     224           0 :                         NotifyAccessibleEvent( nAccEvent, Any(), aListBoxEntry );
     225           0 :                         if ( getListBox() && getListBox()->HasFocus() )
     226             :                         {
     227           0 :                             NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, Any(), aListBoxEntry );
     228           0 :                         }
     229             :                     }
     230             :                 }
     231           0 :                 break;
     232             :             default:
     233           0 :                 VCLXAccessibleComponent::ProcessWindowEvent (rVclWindowEvent);
     234             :             }
     235             :         }
     236             :     }
     237             : 
     238           0 :     AccessibleListBoxEntry* AccessibleListBox::GetCurEventEntry( const VclWindowEvent& rVclWindowEvent )
     239             :     {
     240           0 :         SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
     241           0 :         if ( !pEntry )
     242           0 :             pEntry = getListBox()->GetCurEntry();
     243             : 
     244           0 :         AccessibleListBoxEntry* pEntryFocus =static_cast< AccessibleListBoxEntry* >(m_xFocusedChild.get());
     245           0 :         if (pEntryFocus && pEntry && pEntry != pEntryFocus->GetSvLBoxEntry())
     246             :         {
     247           0 :             AccessibleListBoxEntry *pAccCurOptionEntry =NULL;
     248           0 :             MAP_ENTRY::iterator mi = m_mapEntry.find(pEntry);
     249           0 :             if (mi != m_mapEntry.end())
     250             :             {
     251           0 :                 pAccCurOptionEntry= static_cast< AccessibleListBoxEntry* >(mi->second.get());
     252             :             }
     253             :             else
     254             :             {
     255           0 :                 pAccCurOptionEntry =new AccessibleListBoxEntry( *getListBox(), pEntry, NULL );
     256           0 :                 std::pair<MAP_ENTRY::iterator, bool> pairMi =  m_mapEntry.insert(MAP_ENTRY::value_type(pAccCurOptionEntry->GetSvLBoxEntry(),pAccCurOptionEntry));
     257           0 :                 mi = pairMi.first;
     258             :             }
     259             : 
     260           0 :             uno::Any aNewValue;
     261           0 :             aNewValue <<= mi->second;//xAcc
     262           0 :             NotifyAccessibleEvent( AccessibleEventId::CHILD, uno::Any(), aNewValue );//Add
     263             : 
     264           0 :             return pAccCurOptionEntry;
     265             :         }
     266             :         else
     267             :         {
     268           0 :             return pEntryFocus;
     269             :         }
     270             :     }
     271             : 
     272           0 :     void AccessibleListBox::RemoveChildEntries(SvTreeListEntry* pEntry)
     273             :     {
     274           0 :         MAP_ENTRY::iterator mi = m_mapEntry.find(pEntry);
     275           0 :         if ( mi != m_mapEntry.end() )
     276             :         {
     277           0 :             uno::Any aNewValue;
     278           0 :             uno::Any aOldValue;
     279           0 :             aOldValue <<= mi->second;
     280           0 :             NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue );
     281             : 
     282           0 :             m_mapEntry.erase(mi);
     283             :         }
     284             : 
     285           0 :         SvTreeListBox* pBox = getListBox();
     286           0 :         SvTreeListEntry* pEntryChild = pBox->FirstChild(pEntry);
     287           0 :         while (pEntryChild)
     288             :         {
     289           0 :             RemoveChildEntries(pEntryChild);
     290           0 :             pEntryChild = pBox->NextSibling(pEntryChild);
     291             :         }
     292           0 :     }
     293             : 
     294             : 
     295           0 :     void AccessibleListBox::ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent )
     296             :     {
     297           0 :         switch ( rVclWindowEvent.GetId() )
     298             :         {
     299             :             case VCLEVENT_WINDOW_SHOW:
     300             :             case VCLEVENT_WINDOW_HIDE:
     301             :             {
     302             :             }
     303           0 :             break;
     304             :             default:
     305             :             {
     306           0 :                 VCLXAccessibleComponent::ProcessWindowChildEvent( rVclWindowEvent );
     307             :             }
     308           0 :             break;
     309             :         }
     310           0 :     }
     311             : 
     312             : 
     313             :     // XComponent
     314             : 
     315           0 :     void SAL_CALL AccessibleListBox::disposing()
     316             :     {
     317           0 :         ::osl::MutexGuard aGuard( m_aMutex );
     318             : 
     319           0 :         m_mapEntry.clear();
     320           0 :         VCLXAccessibleComponent::disposing();
     321           0 :         m_xParent = NULL;
     322           0 :     }
     323             : 
     324             :     // XServiceInfo
     325             : 
     326           0 :     OUString SAL_CALL AccessibleListBox::getImplementationName() throw(RuntimeException, std::exception)
     327             :     {
     328           0 :         return getImplementationName_Static();
     329             :     }
     330             : 
     331           0 :     Sequence< OUString > SAL_CALL AccessibleListBox::getSupportedServiceNames() throw(RuntimeException, std::exception)
     332             :     {
     333           0 :         return getSupportedServiceNames_Static();
     334             :     }
     335             : 
     336           0 :     sal_Bool SAL_CALL AccessibleListBox::supportsService( const OUString& _rServiceName ) throw (RuntimeException, std::exception)
     337             :     {
     338           0 :         return cppu::supportsService(this, _rServiceName);
     339             :     }
     340             : 
     341             :     // XServiceInfo - static methods
     342             : 
     343           0 :     Sequence< OUString > AccessibleListBox::getSupportedServiceNames_Static(void) throw( RuntimeException )
     344             :     {
     345           0 :         Sequence< OUString > aSupported(3);
     346           0 :         aSupported[0] = "com.sun.star.accessibility.AccessibleContext";
     347           0 :         aSupported[1] = "com.sun.star.accessibility.AccessibleComponent";
     348           0 :         aSupported[2] = "com.sun.star.awt.AccessibleTreeListBox";
     349           0 :         return aSupported;
     350             :     }
     351             : 
     352           0 :     OUString AccessibleListBox::getImplementationName_Static(void) throw( RuntimeException )
     353             :     {
     354           0 :         return OUString( "com.sun.star.comp.svtools.AccessibleTreeListBox" );
     355             :     }
     356             : 
     357             :     // XAccessible
     358             : 
     359           0 :     Reference< XAccessibleContext > SAL_CALL AccessibleListBox::getAccessibleContext(  ) throw (RuntimeException, std::exception)
     360             :     {
     361           0 :         ensureAlive();
     362           0 :         return this;
     363             :     }
     364             : 
     365             :     // XAccessibleContext
     366             : 
     367           0 :     sal_Int32 SAL_CALL AccessibleListBox::getAccessibleChildCount(  ) throw (RuntimeException, std::exception)
     368             :     {
     369           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     370             : 
     371           0 :         ensureAlive();
     372             : 
     373           0 :         sal_Int32 nCount = 0;
     374           0 :         SvTreeListBox* pSvTreeListBox = getListBox();
     375           0 :         if ( pSvTreeListBox )
     376           0 :             nCount = pSvTreeListBox->GetLevelChildCount( NULL );
     377             : 
     378           0 :         return nCount;
     379             :     }
     380             : 
     381           0 :     Reference< XAccessible > SAL_CALL AccessibleListBox::getAccessibleChild( sal_Int32 i ) throw (IndexOutOfBoundsException,RuntimeException, std::exception)
     382             :     {
     383           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     384             : 
     385           0 :         ensureAlive();
     386           0 :         SvTreeListEntry* pEntry = getListBox()->GetEntry(i);
     387           0 :         if ( !pEntry )
     388           0 :             throw IndexOutOfBoundsException();
     389             : 
     390             :         // Solution: Set the parameter of the parent to null to let entry determine the parent by itself
     391             :         //return new AccessibleListBoxEntry( *getListBox(), pEntry, this );
     392           0 :         return new AccessibleListBoxEntry( *getListBox(), pEntry, NULL );
     393             :     }
     394             : 
     395           0 :     Reference< XAccessible > SAL_CALL AccessibleListBox::getAccessibleParent(  ) throw (RuntimeException, std::exception)
     396             :     {
     397           0 :         ::osl::MutexGuard aGuard( m_aMutex );
     398             : 
     399           0 :         ensureAlive();
     400           0 :         return m_xParent;
     401             :     }
     402             : 
     403           0 :     sal_Int32 AccessibleListBox::GetRoleType()
     404             :     {
     405           0 :         sal_Int32 nCase = 0;
     406           0 :         SvTreeListEntry* pEntry = getListBox()->GetEntry(0);
     407           0 :         if ( pEntry )
     408             :         {
     409           0 :             if( pEntry->HasChildrenOnDemand() || getListBox()->GetChildCount(pEntry) > 0  )
     410             :             {
     411           0 :                 nCase = 1;
     412           0 :                 return nCase;
     413             :             }
     414             :         }
     415             : 
     416           0 :         sal_Bool bHasButtons = (getListBox()->GetStyle() & WB_HASBUTTONS)!=0;
     417           0 :         if( !(getListBox()->GetTreeFlags() & TREEFLAG_CHKBTN) )
     418             :         {
     419           0 :             if( bHasButtons )
     420           0 :                 nCase = 1;
     421             :         }
     422             :         else
     423             :         {
     424           0 :             if( bHasButtons )
     425           0 :                 nCase = 2;
     426             :              else
     427           0 :                 nCase = 3;
     428             :         }
     429           0 :         return nCase;
     430             :     }
     431             : 
     432           0 :     sal_Int16 SAL_CALL AccessibleListBox::getAccessibleRole()
     433             :         throw (RuntimeException, std::exception)
     434             :     {
     435           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     436             : 
     437           0 :         if(getListBox())
     438             :         {
     439           0 :             short nType = getListBox()->GetAllEntriesAccessibleRoleType();
     440           0 :             if( nType == TREEBOX_ALLITEM_ACCROLE_TYPE_TREE)
     441           0 :                     return AccessibleRole::TREE;
     442           0 :             else if( nType == TREEBOX_ALLITEM_ACCROLE_TYPE_LIST)
     443           0 :                     return AccessibleRole::LIST;
     444             :         }
     445             : 
     446             :         //o is: return AccessibleRole::TREE;
     447           0 :         sal_Bool bHasButtons = (getListBox()->GetStyle() & WB_HASBUTTONS)!=0;
     448           0 :         if(!bHasButtons && (getListBox()->GetTreeFlags() & TREEFLAG_CHKBTN))
     449           0 :             return AccessibleRole::LIST;
     450             :         else
     451           0 :             if (GetRoleType() == 0)
     452           0 :                 return AccessibleRole::LIST;
     453             :             else
     454           0 :             return AccessibleRole::TREE;
     455             :     }
     456             : 
     457           0 :     OUString SAL_CALL AccessibleListBox::getAccessibleDescription(  ) throw (RuntimeException, std::exception)
     458             :     {
     459           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     460             : 
     461           0 :         ensureAlive();
     462           0 :         return getListBox()->GetAccessibleDescription();
     463             :     }
     464             : 
     465           0 :     OUString SAL_CALL AccessibleListBox::getAccessibleName(  ) throw (RuntimeException, std::exception)
     466             :     {
     467           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     468             : 
     469           0 :         ensureAlive();
     470           0 :         return getListBox()->GetAccessibleName();
     471             :     }
     472             : 
     473             :     // XAccessibleSelection
     474             : 
     475           0 :     void SAL_CALL AccessibleListBox::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
     476             :     {
     477           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     478             : 
     479           0 :         ensureAlive();
     480             : 
     481           0 :         SvTreeListEntry* pEntry = getListBox()->GetEntry( nChildIndex );
     482           0 :         if ( !pEntry )
     483           0 :             throw IndexOutOfBoundsException();
     484             : 
     485           0 :         getListBox()->Select( pEntry, true );
     486           0 :     }
     487             : 
     488           0 :     sal_Bool SAL_CALL AccessibleListBox::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
     489             :     {
     490           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     491             : 
     492           0 :         ensureAlive();
     493             : 
     494           0 :         SvTreeListEntry* pEntry = getListBox()->GetEntry( nChildIndex );
     495           0 :         if ( !pEntry )
     496           0 :             throw IndexOutOfBoundsException();
     497             : 
     498           0 :         return getListBox()->IsSelected( pEntry );
     499             :     }
     500             : 
     501           0 :     void SAL_CALL AccessibleListBox::clearAccessibleSelection(  ) throw (RuntimeException, std::exception)
     502             :     {
     503           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     504             : 
     505           0 :         ensureAlive();
     506             : 
     507           0 :         sal_Int32 nCount = getListBox()->GetLevelChildCount( NULL );
     508           0 :         for ( sal_Int32 i = 0; i < nCount; ++i )
     509             :         {
     510           0 :             SvTreeListEntry* pEntry = getListBox()->GetEntry( i );
     511           0 :             if ( getListBox()->IsSelected( pEntry ) )
     512           0 :                 getListBox()->Select( pEntry, false );
     513           0 :         }
     514           0 :     }
     515             : 
     516           0 :     void SAL_CALL AccessibleListBox::selectAllAccessibleChildren(  ) throw (RuntimeException, std::exception)
     517             :     {
     518           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     519             : 
     520           0 :         ensureAlive();
     521             : 
     522           0 :         sal_Int32 nCount = getListBox()->GetLevelChildCount( NULL );
     523           0 :         for ( sal_Int32 i = 0; i < nCount; ++i )
     524             :         {
     525           0 :             SvTreeListEntry* pEntry = getListBox()->GetEntry( i );
     526           0 :             if ( !getListBox()->IsSelected( pEntry ) )
     527           0 :                 getListBox()->Select( pEntry, true );
     528           0 :         }
     529           0 :     }
     530             : 
     531           0 :     sal_Int32 SAL_CALL AccessibleListBox::getSelectedAccessibleChildCount(  ) throw (RuntimeException, std::exception)
     532             :     {
     533           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     534             : 
     535           0 :         ensureAlive();
     536             : 
     537           0 :         return getListBox()->GetSelectionCount();
     538             :     }
     539             : 
     540           0 :     Reference< XAccessible > SAL_CALL AccessibleListBox::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
     541             :     {
     542           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     543             : 
     544           0 :         ensureAlive();
     545             : 
     546           0 :         if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
     547           0 :             throw IndexOutOfBoundsException();
     548             : 
     549           0 :         Reference< XAccessible > xChild;
     550           0 :         sal_Int32 nSelCount= 0;
     551           0 :         sal_Int32 nCount = getListBox()->GetLevelChildCount( NULL );
     552           0 :         for ( sal_Int32 i = 0; i < nCount; ++i )
     553             :         {
     554           0 :             SvTreeListEntry* pEntry = getListBox()->GetEntry( i );
     555           0 :             if ( getListBox()->IsSelected( pEntry ) )
     556           0 :                 ++nSelCount;
     557             : 
     558           0 :             if ( nSelCount == ( nSelectedChildIndex + 1 ) )
     559             :             {
     560             :                 // Solution: Set the parameter of the parent to null to let entry determine the parent by itself
     561             :                 //xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
     562           0 :                 xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, NULL );
     563           0 :                 break;
     564             :             }
     565             :         }
     566             : 
     567           0 :         return xChild;
     568             :     }
     569             : 
     570           0 :     void SAL_CALL AccessibleListBox::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
     571             :     {
     572           0 :         ::comphelper::OExternalLockGuard aGuard( this );
     573             : 
     574           0 :         ensureAlive();
     575             : 
     576           0 :         SvTreeListEntry* pEntry = getListBox()->GetEntry( nSelectedChildIndex );
     577           0 :         if ( !pEntry )
     578           0 :             throw IndexOutOfBoundsException();
     579             : 
     580           0 :         getListBox()->Select( pEntry, false );
     581           0 :     }
     582             : 
     583           0 :     void AccessibleListBox::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
     584             :     {
     585           0 :         VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
     586           0 :         if ( getListBox() && isAlive() )
     587             :         {
     588           0 :             rStateSet.AddState( AccessibleStateType::FOCUSABLE );
     589           0 :             rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );
     590           0 :             if ( getListBox()->GetSelectionMode() == MULTIPLE_SELECTION )
     591           0 :                 rStateSet.AddState( AccessibleStateType::MULTI_SELECTABLE );
     592             :         }
     593           0 :     }
     594             : 
     595             : 
     596             : 
     597             : }// namespace accessibility
     598             : 
     599             : 
     600             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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