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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_accessibility.hxx"
+#include <accessibility/extended/accessiblelistbox.hxx>
+#include <accessibility/extended/accessiblelistboxentry.hxx>
+#include <svtools/svtreebx.hxx>
+#include <com/sun/star/awt/Point.hpp>
+#include <com/sun/star/awt/Rectangle.hpp>
+#include <com/sun/star/awt/Size.hpp>
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <tools/debug.hxx>
+#include <vcl/svapp.hxx>
+#include <toolkit/awt/vclxwindow.hxx>
+#include <toolkit/helper/convert.hxx>
+#include <unotools/accessiblestatesethelper.hxx>
+
+//........................................................................
+namespace accessibility
+{
+//........................................................................
+
+ // class AccessibleListBox -----------------------------------------------------
+
+ using namespace ::com::sun::star::accessibility;
+ using namespace ::com::sun::star::uno;
+ using namespace ::com::sun::star::lang;
+ using namespace ::com::sun::star;
+
+ DBG_NAME(AccessibleListBox)
+
+ // -----------------------------------------------------------------------------
+ // Ctor() and Dtor()
+ // -----------------------------------------------------------------------------
+ AccessibleListBox::AccessibleListBox( SvTreeListBox& _rListBox, const Reference< XAccessible >& _xParent ) :
+
+ VCLXAccessibleComponent( _rListBox.GetWindowPeer() ),
+ m_xParent( _xParent )
+ {
+ DBG_CTOR( AccessibleListBox, NULL );
+ }
+ // -----------------------------------------------------------------------------
+ AccessibleListBox::~AccessibleListBox()
+ {
+ DBG_DTOR( AccessibleListBox, NULL );
+ if ( isAlive() )
+ {
+ // increment ref count to prevent double call of Dtor
+ osl_incrementInterlockedCount( &m_refCount );
+ dispose();
+ }
+ }
+ IMPLEMENT_FORWARD_XINTERFACE2(AccessibleListBox, VCLXAccessibleComponent, AccessibleListBox_BASE)
+ IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleListBox, VCLXAccessibleComponent, AccessibleListBox_BASE)
+ // -----------------------------------------------------------------------------
+ SvTreeListBox* AccessibleListBox::getListBox() const
+ {
+ return static_cast< SvTreeListBox* >( const_cast<AccessibleListBox*>(this)->GetWindow() );
+ }
+ // -----------------------------------------------------------------------------
+ void AccessibleListBox::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
+ {
+ if ( isAlive() )
+ {
+ switch ( rVclWindowEvent.GetId() )
+ {
+ case VCLEVENT_CHECKBOX_TOGGLE :
+ {
+ if ( getListBox() && getListBox()->HasFocus() )
+ {
+ SvLBoxEntry* pEntry = static_cast< SvLBoxEntry* >( rVclWindowEvent.GetData() );
+ if ( !pEntry )
+ pEntry = getListBox()->GetCurEntry();
+
+ if ( pEntry )
+ {
+ Reference< XAccessible > xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
+ uno::Any aOldValue, aNewValue;
+ aNewValue <<= xChild;
+ NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
+ }
+ }
+ break;
+ }
+
+ case VCLEVENT_LISTBOX_SELECT :
+ {
+ // First send an event that tells the listeners of a
+ // modified selection. The active descendant event is
+ // send after that so that the receiving AT has time to
+ // read the text or name of the active child.
+ NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
+ if ( getListBox() && getListBox()->HasFocus() )
+ {
+ SvLBoxEntry* pEntry = static_cast< SvLBoxEntry* >( rVclWindowEvent.GetData() );
+ if ( pEntry )
+ {
+ Reference< XAccessible > xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
+ uno::Any aOldValue, aNewValue;
+ aNewValue <<= xChild;
+ NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
+ }
+ }
+ break;
+
+ // #i92103#
+ case VCLEVENT_ITEM_EXPANDED :
+ case VCLEVENT_ITEM_COLLAPSED :
+ {
+ SvLBoxEntry* pEntry = static_cast< SvLBoxEntry* >( rVclWindowEvent.GetData() );
+ if ( pEntry )
+ {
+ AccessibleListBoxEntry* pAccListBoxEntry =
+ new AccessibleListBoxEntry( *getListBox(), pEntry, this );
+ Reference< XAccessible > xChild = pAccListBoxEntry;
+ const short nAccEvent =
+ ( rVclWindowEvent.GetId() == VCLEVENT_ITEM_EXPANDED )
+ ? AccessibleEventId::LISTBOX_ENTRY_EXPANDED
+ : AccessibleEventId::LISTBOX_ENTRY_COLLAPSED;
+ uno::Any aListBoxEntry;
+ aListBoxEntry <<= xChild;
+ NotifyAccessibleEvent( nAccEvent, Any(), aListBoxEntry );
+ if ( getListBox() && getListBox()->HasFocus() )
+ {
+ NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, Any(), aListBoxEntry );
+ }
+ }
+ break;
+ }
+ // <--
+ }
+ default:
+ VCLXAccessibleComponent::ProcessWindowEvent (rVclWindowEvent);
+ }
+ }
+ }
+ // -----------------------------------------------------------------------------
+ void AccessibleListBox::ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent )
+ {
+ switch ( rVclWindowEvent.GetId() )
+ {
+ case VCLEVENT_WINDOW_SHOW:
+ case VCLEVENT_WINDOW_HIDE:
+ {
+ }
+ break;
+ default:
+ {
+ VCLXAccessibleComponent::ProcessWindowChildEvent( rVclWindowEvent );
+ }
+ break;
+ }
+ }
+
+ // -----------------------------------------------------------------------------
+ // XComponent
+ // -----------------------------------------------------------------------------
+ void SAL_CALL AccessibleListBox::disposing()
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ VCLXAccessibleComponent::disposing();
+ m_xParent = NULL;
+ }
+ // -----------------------------------------------------------------------------
+ // XServiceInfo
+ // -----------------------------------------------------------------------------
+ ::rtl::OUString SAL_CALL AccessibleListBox::getImplementationName() throw(RuntimeException)
+ {
+ return getImplementationName_Static();
+ }
+ // -----------------------------------------------------------------------------
+ Sequence< ::rtl::OUString > SAL_CALL AccessibleListBox::getSupportedServiceNames() throw(RuntimeException)
+ {
+ return getSupportedServiceNames_Static();
+ }
+ // -----------------------------------------------------------------------------
+ sal_Bool SAL_CALL AccessibleListBox::supportsService( const ::rtl::OUString& _rServiceName ) throw (RuntimeException)
+ {
+ Sequence< ::rtl::OUString > aSupported( getSupportedServiceNames() );
+ const ::rtl::OUString* pSupported = aSupported.getConstArray();
+ const ::rtl::OUString* pEnd = pSupported + aSupported.getLength();
+ for ( ; pSupported != pEnd && !pSupported->equals(_rServiceName); ++pSupported )
+ ;
+
+ return pSupported != pEnd;
+ }
+ // -----------------------------------------------------------------------------
+ // XServiceInfo - static methods
+ // -----------------------------------------------------------------------------
+ Sequence< ::rtl::OUString > AccessibleListBox::getSupportedServiceNames_Static(void) throw( RuntimeException )
+ {
+ Sequence< ::rtl::OUString > aSupported(3);
+ aSupported[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.accessibility.AccessibleContext") );
+ aSupported[1] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.accessibility.AccessibleComponent") );
+ aSupported[2] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.awt.AccessibleTreeListBox") );
+ return aSupported;
+ }
+ // -----------------------------------------------------------------------------
+ ::rtl::OUString AccessibleListBox::getImplementationName_Static(void) throw( RuntimeException )
+ {
+ return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.svtools.AccessibleTreeListBox") );
+ }
+ // -----------------------------------------------------------------------------
+ // XAccessible
+ // -----------------------------------------------------------------------------
+ Reference< XAccessibleContext > SAL_CALL AccessibleListBox::getAccessibleContext( ) throw (RuntimeException)
+ {
+ ensureAlive();
+ return this;
+ }
+ // -----------------------------------------------------------------------------
+ // XAccessibleContext
+ // -----------------------------------------------------------------------------
+ sal_Int32 SAL_CALL AccessibleListBox::getAccessibleChildCount( ) throw (RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+
+ sal_Int32 nCount = 0;
+ SvTreeListBox* pSvTreeListBox = getListBox();
+ if ( pSvTreeListBox )
+ nCount = pSvTreeListBox->GetLevelChildCount( NULL );
+
+ return nCount;
+ }
+ // -----------------------------------------------------------------------------
+ Reference< XAccessible > SAL_CALL AccessibleListBox::getAccessibleChild( sal_Int32 i ) throw (IndexOutOfBoundsException,RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+ SvLBoxEntry* pEntry = getListBox()->GetEntry(i);
+ if ( !pEntry )
+ throw IndexOutOfBoundsException();
+
+ return new AccessibleListBoxEntry( *getListBox(), pEntry, this );
+ }
+ // -----------------------------------------------------------------------------
+ Reference< XAccessible > SAL_CALL AccessibleListBox::getAccessibleParent( ) throw (RuntimeException)
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ ensureAlive();
+ return m_xParent;
+ }
+ // -----------------------------------------------------------------------------
+ sal_Int16 SAL_CALL AccessibleListBox::getAccessibleRole( ) throw (RuntimeException)
+ {
+ return AccessibleRole::TREE;
+ }
+ // -----------------------------------------------------------------------------
+ ::rtl::OUString SAL_CALL AccessibleListBox::getAccessibleDescription( ) throw (RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+ return getListBox()->GetAccessibleDescription();
+ }
+ // -----------------------------------------------------------------------------
+ ::rtl::OUString SAL_CALL AccessibleListBox::getAccessibleName( ) throw (RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+ return getListBox()->GetAccessibleName();
+ }
+ // -----------------------------------------------------------------------------
+ // XAccessibleSelection
+ // -----------------------------------------------------------------------------
+ void SAL_CALL AccessibleListBox::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+
+ SvLBoxEntry* pEntry = getListBox()->GetEntry( nChildIndex );
+ if ( !pEntry )
+ throw IndexOutOfBoundsException();
+
+ getListBox()->Select( pEntry, TRUE );
+ }
+ // -----------------------------------------------------------------------------
+ sal_Bool SAL_CALL AccessibleListBox::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+
+ SvLBoxEntry* pEntry = getListBox()->GetEntry( nChildIndex );
+ if ( !pEntry )
+ throw IndexOutOfBoundsException();
+
+ return getListBox()->IsSelected( pEntry );
+ }
+ // -----------------------------------------------------------------------------
+ void SAL_CALL AccessibleListBox::clearAccessibleSelection( ) throw (RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+
+ sal_Int32 i, nCount = 0;
+ nCount = getListBox()->GetLevelChildCount( NULL );
+ for ( i = 0; i < nCount; ++i )
+ {
+ SvLBoxEntry* pEntry = getListBox()->GetEntry( i );
+ if ( getListBox()->IsSelected( pEntry ) )
+ getListBox()->Select( pEntry, FALSE );
+ }
+ }
+ // -----------------------------------------------------------------------------
+ void SAL_CALL AccessibleListBox::selectAllAccessibleChildren( ) throw (RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+
+ sal_Int32 i, nCount = 0;
+ nCount = getListBox()->GetLevelChildCount( NULL );
+ for ( i = 0; i < nCount; ++i )
+ {
+ SvLBoxEntry* pEntry = getListBox()->GetEntry( i );
+ if ( !getListBox()->IsSelected( pEntry ) )
+ getListBox()->Select( pEntry, TRUE );
+ }
+ }
+ // -----------------------------------------------------------------------------
+ sal_Int32 SAL_CALL AccessibleListBox::getSelectedAccessibleChildCount( ) throw (RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+
+ sal_Int32 i, nSelCount = 0, nCount = 0;
+ nCount = getListBox()->GetLevelChildCount( NULL );
+ for ( i = 0; i < nCount; ++i )
+ {
+ SvLBoxEntry* pEntry = getListBox()->GetEntry( i );
+ if ( getListBox()->IsSelected( pEntry ) )
+ ++nSelCount;
+ }
+
+ return nSelCount;
+ }
+ // -----------------------------------------------------------------------------
+ Reference< XAccessible > SAL_CALL AccessibleListBox::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+
+ if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
+ throw IndexOutOfBoundsException();
+
+ Reference< XAccessible > xChild;
+ sal_Int32 i, nSelCount = 0, nCount = 0;
+ nCount = getListBox()->GetLevelChildCount( NULL );
+ for ( i = 0; i < nCount; ++i )
+ {
+ SvLBoxEntry* pEntry = getListBox()->GetEntry( i );
+ if ( getListBox()->IsSelected( pEntry ) )
+ ++nSelCount;
+
+ if ( nSelCount == ( nSelectedChildIndex + 1 ) )
+ {
+ xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
+ break;
+ }
+ }
+
+ return xChild;
+ }
+ // -----------------------------------------------------------------------------
+ void SAL_CALL AccessibleListBox::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
+ {
+ ::comphelper::OExternalLockGuard aGuard( this );
+
+ ensureAlive();
+
+ SvLBoxEntry* pEntry = getListBox()->GetEntry( nSelectedChildIndex );
+ if ( !pEntry )
+ throw IndexOutOfBoundsException();
+
+ getListBox()->Select( pEntry, FALSE );
+ }
+ // -----------------------------------------------------------------------------
+ void AccessibleListBox::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
+ {
+ VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
+ if ( getListBox() && isAlive() )
+ {
+ rStateSet.AddState( AccessibleStateType::FOCUSABLE );
+ rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );
+ if ( getListBox()->GetSelectionMode() == MULTIPLE_SELECTION )
+ rStateSet.AddState( AccessibleStateType::MULTI_SELECTABLE );
+ }
+ }
+
+
+//........................................................................
+}// namespace accessibility
+//........................................................................
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */