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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "accessibility/extended/accessibletablistboxtable.hxx"
#include "accessibility/extended/AccessibleBrowseBoxTableCell.hxx"
#include "accessibility/extended/AccessibleBrowseBoxCheckBoxCell.hxx"
#include <svtools/svtabbx.hxx>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
namespace accessibility
{
// class AccessibleTabListBoxTable ---------------------------------------------
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star;
// Ctor() and Dtor()
AccessibleTabListBoxTable::AccessibleTabListBoxTable( const Reference< XAccessible >& rxParent, SvHeaderTabListBox& rBox ) :
AccessibleBrowseBoxTable( rxParent, rBox ),
m_pTabListBox ( &rBox )
{
m_pTabListBox->AddEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) );
}
AccessibleTabListBoxTable::~AccessibleTabListBoxTable()
{
if ( isAlive() )
{
m_pTabListBox = NULL;
// increment ref count to prevent double call of Dtor
osl_atomic_increment( &m_refCount );
dispose();
}
}
void AccessibleTabListBoxTable::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
{
if ( isAlive() )
{
sal_uLong nEventId = rVclWindowEvent.GetId();
switch ( nEventId )
{
case VCLEVENT_OBJECT_DYING :
{
m_pTabListBox->RemoveEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) );
m_pTabListBox = NULL;
break;
}
case VCLEVENT_CONTROL_GETFOCUS :
case VCLEVENT_CONTROL_LOSEFOCUS :
{
uno::Any aOldValue, aNewValue;
if ( VCLEVENT_CONTROL_GETFOCUS == nEventId )
aNewValue <<= AccessibleStateType::FOCUSED;
else
aOldValue <<= AccessibleStateType::FOCUSED;
commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
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.
commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
if ( m_pTabListBox && m_pTabListBox->HasFocus() )
{
SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
if ( pEntry )
{
sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
sal_uInt16 nCol = m_pTabListBox->GetCurrColumn();
Reference< XAccessible > xChild =
m_pTabListBox->CreateAccessibleCell( nRow, nCol );
uno::Any aOldValue, aNewValue;
if ( m_pTabListBox->IsTransientChildrenDisabled() )
{
aNewValue <<= AccessibleStateType::FOCUSED;
TriState eState = TRISTATE_INDET;
if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
{
AccessibleCheckBoxCell* pCell =
static_cast< AccessibleCheckBoxCell* >( xChild.get() );
pCell->commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
}
else
{
AccessibleBrowseBoxTableCell* pCell =
static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
pCell->commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
}
}
else
{
aNewValue <<= xChild;
commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue, aOldValue );
}
}
}
break;
}
case VCLEVENT_WINDOW_GETFOCUS :
{
uno::Any aOldValue, aNewValue;
aNewValue <<= AccessibleStateType::FOCUSED;
commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
break;
}
case VCLEVENT_WINDOW_LOSEFOCUS :
{
uno::Any aOldValue, aNewValue;
aOldValue <<= AccessibleStateType::FOCUSED;
commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
break;
}
case VCLEVENT_LISTBOX_TREESELECT:
{
SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
if (pEntry)
{
sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
Reference< XAccessible > xChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() );
TriState eState = TRISTATE_INDET;
if ( m_pTabListBox->IsCellCheckBox( nRow, m_pTabListBox->GetCurrColumn(), eState ) )
{
AccessibleCheckBoxCell* pCell = static_cast< AccessibleCheckBoxCell* >( xChild.get() );
pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
}
else
{
AccessibleBrowseBoxTableCell* pCell = static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
}
}
}
break;
case VCLEVENT_LISTBOX_TREEFOCUS:
{
if ( m_pTabListBox && m_pTabListBox->HasFocus() )
{
uno::Any aOldValue, aNewValue;
SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
if ( pEntry )
{
sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
m_xCurChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() );
aNewValue <<= m_xCurChild;
commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue ,aOldValue);
}
else
{
aNewValue <<= AccessibleStateType::FOCUSED;
commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue ,aOldValue);
}
}
}
break;
case VCLEVENT_CHECKBOX_TOGGLE :
{
if ( m_pTabListBox && m_pTabListBox->HasFocus() )
{
SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
if ( pEntry )
{
sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
sal_uInt16 nCol = m_pTabListBox->GetCurrColumn();
TriState eState = TRISTATE_INDET;
if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
{
Reference< XAccessible > xChild =
m_pTabListBox->CreateAccessibleCell( nRow, nCol );
AccessibleCheckBoxCell* pCell =
static_cast< AccessibleCheckBoxCell* >( xChild.get() );
pCell->SetChecked( SvHeaderTabListBox::IsItemChecked( pEntry, nCol ) );
}
}
}
break;
}
case VCLEVENT_TABLECELL_NAMECHANGED :
{
if ( m_pTabListBox->IsTransientChildrenDisabled() )
{
commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
TabListBoxEventData* pData = static_cast< TabListBoxEventData* >( rVclWindowEvent.GetData() );
SvTreeListEntry* pEntry = pData != NULL ? pData->m_pEntry : NULL;
if ( pEntry )
{
sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
sal_uInt16 nCol = pData->m_nColumn;
Reference< XAccessible > xChild =
m_pTabListBox->CreateAccessibleCell( nRow, nCol );
uno::Any aOldValue, aNewValue;
aOldValue <<= OUString( pData->m_sOldText );
OUString sNewText( m_pTabListBox->GetCellText( nRow, nCol ) );
aNewValue <<= sNewText;
TriState eState = TRISTATE_INDET;
if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
{
AccessibleCheckBoxCell* pCell =
static_cast< AccessibleCheckBoxCell* >( xChild.get() );
pCell->commitEvent( AccessibleEventId::NAME_CHANGED, aNewValue, aOldValue );
}
else
{
AccessibleBrowseBoxTableCell* pCell =
static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
pCell->nameChanged( sNewText, pData->m_sOldText );
}
}
}
break;
}
}
}
}
IMPL_LINK_TYPED( AccessibleTabListBoxTable, WindowEventListener, VclWindowEvent&, rEvent, void )
{
OSL_ENSURE( rEvent.GetWindow() && m_pTabListBox, "no event window" );
ProcessWindowEvent( rEvent );
}
// helpers --------------------------------------------------------------------
void AccessibleTabListBoxTable::ensureValidIndex( sal_Int32 _nIndex ) const
{
if ( ( _nIndex < 0 ) || ( _nIndex >= implGetCellCount() ) )
throw IndexOutOfBoundsException();
}
bool AccessibleTabListBoxTable::implIsRowSelected( sal_Int32 _nRow ) const
{
return m_pTabListBox && m_pTabListBox->IsSelected( m_pTabListBox->GetEntry( _nRow ) );
}
void AccessibleTabListBoxTable::implSelectRow( sal_Int32 _nRow, bool _bSelect )
{
if ( m_pTabListBox )
m_pTabListBox->Select( m_pTabListBox->GetEntry( _nRow ), _bSelect );
}
sal_Int32 AccessibleTabListBoxTable::implGetRowCount() const
{
return m_pTabListBox ? m_pTabListBox->GetEntryCount() : 0;
}
sal_Int32 AccessibleTabListBoxTable::implGetColumnCount() const
{
return m_pTabListBox ? m_pTabListBox->GetColumnCount() : 0;
}
sal_Int32 AccessibleTabListBoxTable::implGetSelRowCount() const
{
return m_pTabListBox ? m_pTabListBox->GetSelectionCount() : 0;
}
sal_Int32 AccessibleTabListBoxTable::implGetSelRow( sal_Int32 nSelRow ) const
{
if ( m_pTabListBox )
{
sal_Int32 nRow = 0;
SvTreeListEntry* pEntry = m_pTabListBox->FirstSelected();
while ( pEntry )
{
++nRow;
if ( nRow == nSelRow )
return m_pTabListBox->GetEntryPos( pEntry );
pEntry = m_pTabListBox->NextSelected( pEntry );
}
}
return 0;
}
// XInterface & XTypeProvider
IMPLEMENT_FORWARD_XINTERFACE2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper)
IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper)
// XServiceInfo
OUString AccessibleTabListBoxTable::getImplementationName() throw (RuntimeException, std::exception)
{
return OUString( "com.sun.star.comp.svtools.AccessibleTabListBoxTable" );
}
// XAccessibleSelection
void SAL_CALL AccessibleTabListBoxTable::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
ensureValidIndex( nChildIndex );
implSelectRow( implGetRow( nChildIndex ), true );
}
sal_Bool SAL_CALL AccessibleTabListBoxTable::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
ensureValidIndex( nChildIndex );
return implIsRowSelected( implGetRow( nChildIndex ) );
}
void SAL_CALL AccessibleTabListBoxTable::clearAccessibleSelection( ) throw (RuntimeException, std::exception)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
m_pTabListBox->SetNoSelection();
}
void SAL_CALL AccessibleTabListBoxTable::selectAllAccessibleChildren( ) throw (RuntimeException, std::exception)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
m_pTabListBox->SelectAll();
}
sal_Int32 SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChildCount( ) throw (RuntimeException, std::exception)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
return implGetColumnCount() * implGetSelRowCount();
}
Reference< XAccessible > SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
sal_Int32 nRows = implGetSelRowCount();
if ( nRows == 0 )
throw IndexOutOfBoundsException();
sal_Int32 nRow = implGetSelRow( nSelectedChildIndex % nRows );
sal_Int32 nColumn = nSelectedChildIndex / nRows;
return getAccessibleCellAt( nRow, nColumn );
}
void SAL_CALL AccessibleTabListBoxTable::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
ensureValidIndex( nSelectedChildIndex );
implSelectRow( implGetRow( nSelectedChildIndex ), false );
}
}// namespace accessibility
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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