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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/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;
DBG_NAME(AccessibleTabListBoxTable)
// -----------------------------------------------------------------------------
// Ctor() and Dtor()
// -----------------------------------------------------------------------------
AccessibleTabListBoxTable::AccessibleTabListBoxTable( const Reference< XAccessible >& rxParent, SvHeaderTabListBox& rBox ) :
AccessibleBrowseBoxTable( rxParent, rBox ),
m_pTabListBox ( &rBox )
{
DBG_CTOR( AccessibleTabListBoxTable, NULL );
m_pTabListBox->AddEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) );
}
// -----------------------------------------------------------------------------
AccessibleTabListBoxTable::~AccessibleTabListBoxTable()
{
DBG_DTOR( AccessibleTabListBoxTable, NULL );
if ( isAlive() )
{
m_pTabListBox = NULL;
// increment ref count to prevent double call of Dtor
osl_incrementInterlockedCount( &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() )
{
SvLBoxEntry* pEntry = static_cast< SvLBoxEntry* >( 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 = STATE_DONTKNOW;
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_CHECKBOX_TOGGLE :
{
if ( m_pTabListBox && m_pTabListBox->HasFocus() )
{
SvLBoxEntry* pEntry = static_cast< SvLBoxEntry* >( rVclWindowEvent.GetData() );
if ( pEntry )
{
sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
sal_uInt16 nCol = m_pTabListBox->GetCurrColumn();
TriState eState = STATE_DONTKNOW;
if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
{
Reference< XAccessible > xChild =
m_pTabListBox->CreateAccessibleCell( nRow, nCol );
AccessibleCheckBoxCell* pCell =
static_cast< AccessibleCheckBoxCell* >( xChild.get() );
pCell->SetChecked( m_pTabListBox->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() );
SvLBoxEntry* 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 <<= ::rtl::OUString( pData->m_sOldText );
::rtl::OUString sNewText( m_pTabListBox->GetCellText( nRow, nCol ) );
aNewValue <<= sNewText;
TriState eState = STATE_DONTKNOW;
if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
{
AccessibleCheckBoxCell* pCell =
static_cast< AccessibleCheckBoxCell* >( xChild.get() );
pCell->commitEvent( AccessibleEventId::NAME_CHANGED, aOldValue, aNewValue );
}
else
{
AccessibleBrowseBoxTableCell* pCell =
static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
pCell->nameChanged( sNewText, pData->m_sOldText );
}
}
}
break;
}
}
}
}
// -----------------------------------------------------------------------------
IMPL_LINK( AccessibleTabListBoxTable, WindowEventListener, VclSimpleEvent*, pEvent )
{
DBG_ASSERT( pEvent && pEvent->ISA( VclWindowEvent ), "Unknown WindowEvent!" );
if ( pEvent && pEvent->ISA( VclWindowEvent ) )
{
DBG_ASSERT( ( (VclWindowEvent*)pEvent )->GetWindow() && m_pTabListBox, "no event window" );
ProcessWindowEvent( *(VclWindowEvent*)pEvent );
}
return 0;
}
// helpers --------------------------------------------------------------------
void AccessibleTabListBoxTable::ensureValidIndex( sal_Int32 _nIndex ) const
SAL_THROW( ( IndexOutOfBoundsException ) )
{
if ( ( _nIndex < 0 ) || ( _nIndex >= implGetCellCount() ) )
throw IndexOutOfBoundsException();
}
sal_Bool AccessibleTabListBoxTable::implIsRowSelected( sal_Int32 _nRow ) const
{
return m_pTabListBox ? m_pTabListBox->IsSelected( m_pTabListBox->GetEntry( _nRow ) ) : sal_False;
}
void AccessibleTabListBoxTable::implSelectRow( sal_Int32 _nRow, sal_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;
SvLBoxEntry* 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
// -----------------------------------------------------------------------------
::rtl::OUString AccessibleTabListBoxTable::getImplementationName (void) throw (RuntimeException)
{
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.svtools.AccessibleTabListBoxTable" ));
}
// -----------------------------------------------------------------------------
// XAccessibleSelection
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleTabListBoxTable::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
ensureValidIndex( nChildIndex );
implSelectRow( implGetRow( nChildIndex ), sal_True );
}
// -----------------------------------------------------------------------------
sal_Bool SAL_CALL AccessibleTabListBoxTable::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
ensureValidIndex( nChildIndex );
return implIsRowSelected( implGetRow( nChildIndex ) );
}
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleTabListBoxTable::clearAccessibleSelection( ) throw (RuntimeException)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
m_pTabListBox->SetNoSelection();
}
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleTabListBoxTable::selectAllAccessibleChildren( ) throw (RuntimeException)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
m_pTabListBox->SelectAll();
}
// -----------------------------------------------------------------------------
sal_Int32 SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChildCount( ) throw (RuntimeException)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
return implGetColumnCount() * implGetSelRowCount();
}
// -----------------------------------------------------------------------------
Reference< XAccessible > SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
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)
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
ensureValidIndex( nSelectedChildIndex );
implSelectRow( implGetRow( nSelectedChildIndex ), sal_False );
}
//........................................................................
}// namespace accessibility
//........................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
