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path: root/accessibility/source/standard/vclxaccessibletabcontrol.cxx
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+/*************************************************************************
+ *
+ * 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/standard/vclxaccessibletabcontrol.hxx>
+#include <accessibility/standard/vclxaccessibletabpage.hxx>
+
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <unotools/accessiblestatesethelper.hxx>
+#include <vcl/tabctrl.hxx>
+#include <vcl/tabpage.hxx>
+
+#include <vector>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::accessibility;
+using namespace ::comphelper;
+
+
+// ----------------------------------------------------
+// class VCLXAccessibleTabControl
+// ----------------------------------------------------
+
+VCLXAccessibleTabControl::VCLXAccessibleTabControl( VCLXWindow* pVCLXWindow )
+ :VCLXAccessibleComponent( pVCLXWindow )
+{
+ m_pTabControl = static_cast< TabControl* >( GetWindow() );
+
+ if ( m_pTabControl )
+ m_aAccessibleChildren.assign( m_pTabControl->GetPageCount(), Reference< XAccessible >() );
+}
+
+// -----------------------------------------------------------------------------
+
+VCLXAccessibleTabControl::~VCLXAccessibleTabControl()
+{
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::UpdateFocused()
+{
+ for ( sal_uInt32 i = 0; i < m_aAccessibleChildren.size(); ++i )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+ if ( pVCLXAccessibleTabPage )
+ pVCLXAccessibleTabPage->SetFocused( pVCLXAccessibleTabPage->IsFocused() );
+ }
+ }
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::UpdateSelected( sal_Int32 i, bool bSelected )
+{
+ NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
+
+ if ( i >= 0 && i < (sal_Int32)m_aAccessibleChildren.size() )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+ if ( pVCLXAccessibleTabPage )
+ pVCLXAccessibleTabPage->SetSelected( bSelected );
+ }
+ }
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::UpdatePageText( sal_Int32 i )
+{
+ if ( i >= 0 && i < (sal_Int32)m_aAccessibleChildren.size() )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+ if ( pVCLXAccessibleTabPage )
+ pVCLXAccessibleTabPage->SetPageText( pVCLXAccessibleTabPage->GetPageText() );
+ }
+ }
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::UpdateTabPage( sal_Int32 i, bool bNew )
+{
+ if ( i >= 0 && i < (sal_Int32)m_aAccessibleChildren.size() )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+ if ( pVCLXAccessibleTabPage )
+ pVCLXAccessibleTabPage->Update( bNew );
+ }
+ }
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::InsertChild( sal_Int32 i )
+{
+ if ( i >= 0 && i <= (sal_Int32)m_aAccessibleChildren.size() )
+ {
+ // insert entry in child list
+ m_aAccessibleChildren.insert( m_aAccessibleChildren.begin() + i, Reference< XAccessible >() );
+
+ // send accessible child event
+ Reference< XAccessible > xChild( getAccessibleChild( i ) );
+ if ( xChild.is() )
+ {
+ Any aOldValue, aNewValue;
+ aNewValue <<= xChild;
+ NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue );
+ }
+ }
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::RemoveChild( sal_Int32 i )
+{
+ if ( i >= 0 && i < (sal_Int32)m_aAccessibleChildren.size() )
+ {
+ // get the accessible of the removed page
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+
+ // remove entry in child list
+ m_aAccessibleChildren.erase( m_aAccessibleChildren.begin() + i );
+
+ // send accessible child event
+ if ( xChild.is() )
+ {
+ Any aOldValue, aNewValue;
+ aOldValue <<= xChild;
+ NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue );
+
+ Reference< XComponent > xComponent( xChild, UNO_QUERY );
+ if ( xComponent.is() )
+ xComponent->dispose();
+ }
+ }
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
+{
+ switch ( rVclWindowEvent.GetId() )
+ {
+ case VCLEVENT_TABPAGE_ACTIVATE:
+ case VCLEVENT_TABPAGE_DEACTIVATE:
+ {
+ if ( m_pTabControl )
+ {
+ sal_uInt16 nPageId = (sal_uInt16)(sal_IntPtr) rVclWindowEvent.GetData();
+ sal_uInt16 nPagePos = m_pTabControl->GetPagePos( nPageId );
+ UpdateFocused();
+ UpdateSelected( nPagePos, rVclWindowEvent.GetId() == VCLEVENT_TABPAGE_ACTIVATE );
+ }
+ }
+ break;
+ case VCLEVENT_TABPAGE_PAGETEXTCHANGED:
+ {
+ if ( m_pTabControl )
+ {
+ sal_uInt16 nPageId = (sal_uInt16)(sal_IntPtr) rVclWindowEvent.GetData();
+ sal_uInt16 nPagePos = m_pTabControl->GetPagePos( nPageId );
+ UpdatePageText( nPagePos );
+ }
+ }
+ break;
+ case VCLEVENT_TABPAGE_INSERTED:
+ {
+ if ( m_pTabControl )
+ {
+ sal_uInt16 nPageId = (sal_uInt16)(sal_IntPtr) rVclWindowEvent.GetData();
+ sal_uInt16 nPagePos = m_pTabControl->GetPagePos( nPageId );
+ InsertChild( nPagePos );
+ }
+ }
+ break;
+ case VCLEVENT_TABPAGE_REMOVED:
+ {
+ if ( m_pTabControl )
+ {
+ sal_uInt16 nPageId = (sal_uInt16)(sal_IntPtr) rVclWindowEvent.GetData();
+ for ( sal_Int32 i = 0, nCount = getAccessibleChildCount(); i < nCount; ++i )
+ {
+ Reference< XAccessible > xChild( getAccessibleChild( i ) );
+ if ( xChild.is() )
+ {
+ VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+ if ( pVCLXAccessibleTabPage && pVCLXAccessibleTabPage->GetPageId() == nPageId )
+ {
+ RemoveChild( i );
+ break;
+ }
+ }
+ }
+ }
+ }
+ break;
+ case VCLEVENT_TABPAGE_REMOVEDALL:
+ {
+ for ( sal_Int32 i = m_aAccessibleChildren.size() - 1; i >= 0; --i )
+ RemoveChild( i );
+ }
+ break;
+ case VCLEVENT_WINDOW_GETFOCUS:
+ case VCLEVENT_WINDOW_LOSEFOCUS:
+ {
+ UpdateFocused();
+ }
+ break;
+ case VCLEVENT_OBJECT_DYING:
+ {
+ if ( m_pTabControl )
+ {
+ m_pTabControl = NULL;
+
+ // dispose all tab pages
+ for ( sal_uInt32 i = 0; i < m_aAccessibleChildren.size(); ++i )
+ {
+ Reference< XComponent > xComponent( m_aAccessibleChildren[i], UNO_QUERY );
+ if ( xComponent.is() )
+ xComponent->dispose();
+ }
+ m_aAccessibleChildren.clear();
+ }
+
+ VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent );
+ }
+ break;
+ default:
+ VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent );
+ }
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent )
+{
+ switch ( rVclWindowEvent.GetId() )
+ {
+ case VCLEVENT_WINDOW_SHOW:
+ case VCLEVENT_WINDOW_HIDE:
+ {
+ if ( m_pTabControl )
+ {
+ Window* pChild = static_cast< Window* >( rVclWindowEvent.GetData() );
+ if ( pChild && pChild->GetType() == WINDOW_TABPAGE )
+ {
+ for ( sal_Int32 i = 0, nCount = m_pTabControl->GetPageCount(); i < nCount; ++i )
+ {
+ sal_uInt16 nPageId = m_pTabControl->GetPageId( (USHORT)i );
+ TabPage* pTabPage = m_pTabControl->GetTabPage( nPageId );
+ if ( pTabPage == (TabPage*) pChild )
+ UpdateTabPage( i, rVclWindowEvent.GetId() == VCLEVENT_WINDOW_SHOW );
+ }
+ }
+ }
+ }
+ break;
+ default:
+ VCLXAccessibleComponent::ProcessWindowChildEvent( rVclWindowEvent );
+ }
+}
+
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
+{
+ VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
+
+ if ( m_pTabControl )
+ rStateSet.AddState( AccessibleStateType::FOCUSABLE );
+}
+
+// -----------------------------------------------------------------------------
+// XInterface
+// -----------------------------------------------------------------------------
+
+IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleTabControl, VCLXAccessibleComponent, VCLXAccessibleTabControl_BASE )
+
+// -----------------------------------------------------------------------------
+// XTypeProvider
+// -----------------------------------------------------------------------------
+
+IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleTabControl, VCLXAccessibleComponent, VCLXAccessibleTabControl_BASE )
+
+// -----------------------------------------------------------------------------
+// XComponent
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::disposing()
+{
+ VCLXAccessibleComponent::disposing();
+
+ if ( m_pTabControl )
+ {
+ m_pTabControl = NULL;
+
+ // dispose all tab pages
+ for ( sal_uInt32 i = 0; i < m_aAccessibleChildren.size(); ++i )
+ {
+ Reference< XComponent > xComponent( m_aAccessibleChildren[i], UNO_QUERY );
+ if ( xComponent.is() )
+ xComponent->dispose();
+ }
+ m_aAccessibleChildren.clear();
+ }
+}
+
+// -----------------------------------------------------------------------------
+// XServiceInfo
+// -----------------------------------------------------------------------------
+
+::rtl::OUString VCLXAccessibleTabControl::getImplementationName() throw (RuntimeException)
+{
+ return ::rtl::OUString::createFromAscii( "com.sun.star.comp.toolkit.AccessibleTabControl" );
+}
+
+// -----------------------------------------------------------------------------
+
+Sequence< ::rtl::OUString > VCLXAccessibleTabControl::getSupportedServiceNames() throw (RuntimeException)
+{
+ Sequence< ::rtl::OUString > aNames(1);
+ aNames[0] = ::rtl::OUString::createFromAscii( "com.sun.star.awt.AccessibleTabControl" );
+ return aNames;
+}
+
+// -----------------------------------------------------------------------------
+// XAccessibleContext
+// -----------------------------------------------------------------------------
+
+sal_Int32 VCLXAccessibleTabControl::getAccessibleChildCount() throw (RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ return m_aAccessibleChildren.size();
+}
+
+// -----------------------------------------------------------------------------
+
+Reference< XAccessible > VCLXAccessibleTabControl::getAccessibleChild( sal_Int32 i ) throw (IndexOutOfBoundsException, RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ if ( i < 0 || i >= getAccessibleChildCount() )
+ throw IndexOutOfBoundsException();
+
+ Reference< XAccessible > xChild = m_aAccessibleChildren[i];
+ if ( !xChild.is() )
+ {
+ if ( m_pTabControl )
+ {
+ sal_uInt16 nPageId = m_pTabControl->GetPageId( (USHORT)i );
+
+ xChild = new VCLXAccessibleTabPage( m_pTabControl, nPageId );
+
+ // insert into tab page list
+ m_aAccessibleChildren[i] = xChild;
+ }
+ }
+
+ return xChild;
+}
+
+// -----------------------------------------------------------------------------
+
+sal_Int16 VCLXAccessibleTabControl::getAccessibleRole( ) throw (RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ return AccessibleRole::PAGE_TAB_LIST;
+}
+
+// -----------------------------------------------------------------------------
+
+::rtl::OUString VCLXAccessibleTabControl::getAccessibleName( ) throw (RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ return ::rtl::OUString();
+}
+
+// -----------------------------------------------------------------------------
+// XAccessibleSelection
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ if ( nChildIndex < 0 || nChildIndex >= getAccessibleChildCount() )
+ throw IndexOutOfBoundsException();
+
+ if ( m_pTabControl )
+ m_pTabControl->SelectTabPage( m_pTabControl->GetPageId( (USHORT)nChildIndex ) );
+}
+
+// -----------------------------------------------------------------------------
+
+sal_Bool VCLXAccessibleTabControl::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ if ( nChildIndex < 0 || nChildIndex >= getAccessibleChildCount() )
+ throw IndexOutOfBoundsException();
+
+ sal_Bool bSelected = sal_False;
+ if ( m_pTabControl && m_pTabControl->GetCurPageId() == m_pTabControl->GetPageId( (USHORT)nChildIndex ) )
+ bSelected = sal_True;
+
+ return bSelected;
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::clearAccessibleSelection( ) throw (RuntimeException)
+{
+ // This method makes no sense in a tab control, and so does nothing.
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::selectAllAccessibleChildren( ) throw (RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ selectAccessibleChild( 0 );
+}
+
+// -----------------------------------------------------------------------------
+
+sal_Int32 VCLXAccessibleTabControl::getSelectedAccessibleChildCount( ) throw (RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ return 1;
+}
+
+// -----------------------------------------------------------------------------
+
+Reference< XAccessible > VCLXAccessibleTabControl::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
+ throw IndexOutOfBoundsException();
+
+ Reference< XAccessible > xChild;
+
+ for ( sal_Int32 i = 0, j = 0, nCount = getAccessibleChildCount(); i < nCount; i++ )
+ {
+ if ( isAccessibleChildSelected( i ) && ( j++ == nSelectedChildIndex ) )
+ {
+ xChild = getAccessibleChild( i );
+ break;
+ }
+ }
+
+ return xChild;
+}
+
+// -----------------------------------------------------------------------------
+
+void VCLXAccessibleTabControl::deselectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
+{
+ OExternalLockGuard aGuard( this );
+
+ if ( nChildIndex < 0 || nChildIndex >= getAccessibleChildCount() )
+ throw IndexOutOfBoundsException();
+
+ // This method makes no sense in a tab control, and so does nothing.
+}
+
+// -----------------------------------------------------------------------------