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office-gobmx/accessibility/source/standard/vclxaccessibletabcontrol.cxx
Ricardo Montania e1276e83e0 OUString cleanup in accessibility 
Change-Id: Ie4e51632bf81053f0d32428bb7ef5b01ec301ccc
Reviewed-on: https://gerrit.libreoffice.org/579
Reviewed-by: Olivier Hallot <olivier.hallot@alta.org.br>
Tested-by: Olivier Hallot <olivier.hallot@alta.org.br>
2012-09-07 12:26:19 +00:00

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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.
*
************************************************************************/
#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( (sal_uInt16)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
// -----------------------------------------------------------------------------
OUString VCLXAccessibleTabControl::getImplementationName() throw (RuntimeException)
{
return OUString( "com.sun.star.comp.toolkit.AccessibleTabControl" );
}
// -----------------------------------------------------------------------------
Sequence< OUString > VCLXAccessibleTabControl::getSupportedServiceNames() throw (RuntimeException)
{
Sequence< OUString > aNames(1);
aNames[0] = "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( (sal_uInt16)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;
}
// -----------------------------------------------------------------------------
OUString VCLXAccessibleTabControl::getAccessibleName( ) throw (RuntimeException)
{
OExternalLockGuard aGuard( this );
return 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( (sal_uInt16)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( (sal_uInt16)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.
}
// -----------------------------------------------------------------------------
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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