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office-gobmx/accessibility/source/extended/AccessibleGridControl.cxx
Norbert Thiebaud 2095b2e1d4 gridfixes: copied #i112562#'s fix from CWS gridcontrol06 herein 
Change-Id: Ifa29a8b3c027970d46844b428a3529e680c0b09c
Reviewed-on: https://gerrit.libreoffice.org/541
Reviewed-by: Miklos Vajna <vmiklos@suse.cz>
Tested-by: Miklos Vajna <vmiklos@suse.cz>
2012-09-14 07:15:44 +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/extended/AccessibleGridControl.hxx"
#include "accessibility/extended/AccessibleGridControlTable.hxx"
#include "accessibility/extended/AccessibleGridControlHeader.hxx"
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp>
#include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp>
#include <svtools/accessibletable.hxx>
#include <comphelper/types.hxx>
#include <toolkit/helper/vclunohelper.hxx>
// ============================================================================
namespace accessibility
{
// ============================================================================
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::accessibility;
using namespace ::svt;
using namespace ::svt::table;
// ============================================================================
class AccessibleGridControl_Impl
{
public:
/// the XAccessible which created the AccessibleGridControl
WeakReference< XAccessible > m_aCreator;
/** The data table child. */
Reference<
::com::sun::star::accessibility::XAccessible > m_xTable;
AccessibleGridControlTable* m_pTable;
/** The header bar for rows. */
Reference<
::com::sun::star::accessibility::XAccessible > m_xRowHeaderBar;
AccessibleGridControlHeader* m_pRowHeaderBar;
/** The header bar for columns (first row of the table). */
Reference<
::com::sun::star::accessibility::XAccessible > m_xColumnHeaderBar;
AccessibleGridControlHeader* m_pColumnHeaderBar;
/** The table cell child. */
Reference<
::com::sun::star::accessibility::XAccessible > m_xCell;
AccessibleGridControlTableCell* m_pCell;
};
AccessibleGridControl::AccessibleGridControl(
const Reference< XAccessible >& _rxParent, const Reference< XAccessible >& _rxCreator,
IAccessibleTable& _rTable )
: AccessibleGridControlBase( _rxParent, _rTable, TCTYPE_GRIDCONTROL )
{
m_pImpl.reset( new AccessibleGridControl_Impl() );
m_pImpl->m_aCreator = _rxCreator;
}
// -----------------------------------------------------------------------------
AccessibleGridControl::~AccessibleGridControl()
{
}
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleGridControl::disposing()
{
::osl::MutexGuard aGuard( getOslMutex() );
m_pImpl->m_pTable = NULL;
m_pImpl->m_pColumnHeaderBar = NULL;
m_pImpl->m_pRowHeaderBar = NULL;
m_pImpl->m_pCell = NULL;
m_pImpl->m_aCreator = Reference< XAccessible >();
Reference< XAccessible > xTable = m_pImpl->m_xTable;
Reference< XComponent > xComp( m_pImpl->m_xTable, UNO_QUERY );
if ( xComp.is() )
{
xComp->dispose();
}
Reference< XAccessible > xCell = m_pImpl->m_xCell;
Reference< XComponent > xCellComp( m_pImpl->m_xCell, UNO_QUERY );
if ( xCellComp.is() )
{
xCellComp->dispose();
}
::comphelper::disposeComponent(m_pImpl->m_xRowHeaderBar);
::comphelper::disposeComponent(m_pImpl->m_xColumnHeaderBar);
AccessibleGridControlBase::disposing();
}
// -----------------------------------------------------------------------------
// XAccessibleContext ---------------------------------------------------------
sal_Int32 SAL_CALL AccessibleGridControl::getAccessibleChildCount()
throw ( uno::RuntimeException )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
return m_aTable.GetAccessibleControlCount();
}
// -----------------------------------------------------------------------------
Reference< XAccessible > SAL_CALL
AccessibleGridControl::getAccessibleChild( sal_Int32 nChildIndex )
throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
if (nChildIndex<0 || nChildIndex>=getAccessibleChildCount())
throw IndexOutOfBoundsException();
Reference< XAccessible > xChild;
if (isAlive())
{
if(nChildIndex == 0 && m_aTable.HasColHeader())
{
if(!m_pImpl->m_xColumnHeaderBar.is())
{
AccessibleGridControlHeader* pColHeaderBar = new AccessibleGridControlHeader(m_pImpl->m_aCreator, m_aTable, svt::table::TCTYPE_COLUMNHEADERBAR);
m_pImpl->m_xColumnHeaderBar = pColHeaderBar;
}
xChild = m_pImpl->m_xColumnHeaderBar;
}
else if(m_aTable.HasRowHeader() && (nChildIndex == 1 || nChildIndex == 0))
{
if(!m_pImpl->m_xRowHeaderBar.is())
{
AccessibleGridControlHeader* pRowHeaderBar = new AccessibleGridControlHeader(m_pImpl->m_aCreator, m_aTable, svt::table::TCTYPE_ROWHEADERBAR);
m_pImpl->m_xRowHeaderBar = pRowHeaderBar;
}
xChild = m_pImpl->m_xRowHeaderBar;
}
else
{
if(!m_pImpl->m_xTable.is())
{
AccessibleGridControlTable* pTable = new AccessibleGridControlTable(m_pImpl->m_aCreator, m_aTable, svt::table::TCTYPE_TABLE);
m_pImpl->m_xTable = pTable;
m_pImpl->m_pTable = pTable;
}
xChild = m_pImpl->m_xTable;
}
}
return xChild;
}
// -----------------------------------------------------------------------------
sal_Int16 SAL_CALL AccessibleGridControl::getAccessibleRole()
throw ( uno::RuntimeException )
{
ensureIsAlive();
return AccessibleRole::PANEL;
}
// -----------------------------------------------------------------------------
// XAccessibleComponent -------------------------------------------------------
Reference< XAccessible > SAL_CALL
AccessibleGridControl::getAccessibleAtPoint( const awt::Point& rPoint )
throw ( uno::RuntimeException )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
Reference< XAccessible > xChild;
sal_Int32 nIndex = 0;
if( m_aTable.ConvertPointToControlIndex( nIndex, VCLPoint( rPoint ) ) )
xChild = m_aTable.CreateAccessibleControl( nIndex );
else
{
// try whether point is in one of the fixed children
// (table, header bars, corner control)
Point aPoint( VCLPoint( rPoint ) );
for( nIndex = 0; (nIndex < 3) && !xChild.is(); ++nIndex )
{
Reference< XAccessible > xCurrChild( implGetFixedChild( nIndex ) );
Reference< XAccessibleComponent >
xCurrChildComp( xCurrChild, uno::UNO_QUERY );
if( xCurrChildComp.is() &&
VCLRectangle( xCurrChildComp->getBounds() ).IsInside( aPoint ) )
xChild = xCurrChild;
}
}
return xChild;
}
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleGridControl::grabFocus()
throw ( uno::RuntimeException )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getOslMutex() );
ensureIsAlive();
m_aTable.GrabFocus();
}
// -----------------------------------------------------------------------------
Any SAL_CALL AccessibleGridControl::getAccessibleKeyBinding()
throw ( uno::RuntimeException )
{
ensureIsAlive();
return Any();
}
// -----------------------------------------------------------------------------
// XServiceInfo ---------------------------------------------------------------
OUString SAL_CALL AccessibleGridControl::getImplementationName()
throw ( uno::RuntimeException )
{
return OUString( "com.sun.star.accessibility.AccessibleGridControl" );
}
// -----------------------------------------------------------------------------
// internal virtual methods ---------------------------------------------------
Rectangle AccessibleGridControl::implGetBoundingBox()
{
Window* pParent = m_aTable.GetAccessibleParentWindow();
OSL_ENSURE( pParent, "implGetBoundingBox - missing parent window" );
return m_aTable.GetWindowExtentsRelative( pParent );
}
// -----------------------------------------------------------------------------
Rectangle AccessibleGridControl::implGetBoundingBoxOnScreen()
{
return m_aTable.GetWindowExtentsRelative( NULL );
}
// internal helper methods ----------------------------------------------------
Reference< XAccessible > AccessibleGridControl::implGetTable()
{
if( !m_pImpl->m_xTable.is() )
{
m_pImpl->m_pTable = createAccessibleTable();
m_pImpl->m_xTable = m_pImpl->m_pTable;
}
return m_pImpl->m_xTable;
}
// -----------------------------------------------------------------------------
Reference< XAccessible >
AccessibleGridControl::implGetHeaderBar( AccessibleTableControlObjType eObjType )
{
Reference< XAccessible > xRet;
Reference< XAccessible >* pxMember = NULL;
if( eObjType == TCTYPE_ROWHEADERBAR )
pxMember = &m_pImpl->m_xRowHeaderBar;
else if( eObjType == TCTYPE_COLUMNHEADERBAR )
pxMember = &m_pImpl->m_xColumnHeaderBar;
if( pxMember )
{
if( !pxMember->is() )
{
AccessibleGridControlHeader* pHeaderBar = new AccessibleGridControlHeader(
(Reference< XAccessible >)m_pImpl->m_aCreator, m_aTable, eObjType );
if ( TCTYPE_COLUMNHEADERBAR == eObjType)
m_pImpl->m_pColumnHeaderBar = pHeaderBar;
else
m_pImpl->m_pRowHeaderBar = pHeaderBar;
*pxMember = pHeaderBar;
}
xRet = *pxMember;
}
return xRet;
}
// -----------------------------------------------------------------------------
Reference< XAccessible >
AccessibleGridControl::implGetFixedChild( sal_Int32 nChildIndex )
{
Reference< XAccessible > xRet;
switch( nChildIndex )
{
case TCINDEX_COLUMNHEADERBAR:
xRet = implGetHeaderBar( TCTYPE_COLUMNHEADERBAR );
break;
case TCINDEX_ROWHEADERBAR:
xRet = implGetHeaderBar( TCTYPE_ROWHEADERBAR );
break;
case TCINDEX_TABLE:
xRet = implGetTable();
break;
}
return xRet;
}
// -----------------------------------------------------------------------------
AccessibleGridControlTable* AccessibleGridControl::createAccessibleTable()
{
Reference< XAccessible > xCreator = (Reference< XAccessible >)m_pImpl->m_aCreator;
OSL_ENSURE( xCreator.is(), "accessibility/extended/AccessibleGirdControl::createAccessibleTable: my creator died - how this?" );
return new AccessibleGridControlTable( xCreator, m_aTable, TCTYPE_TABLE );
}
// -----------------------------------------------------------------------------
void AccessibleGridControl::commitCellEvent(sal_Int16 _nEventId,const Any& _rNewValue,const Any& _rOldValue)
{
sal_Int32 nChildCount = getAccessibleChildCount();
if(nChildCount != 0)
{
for(sal_Int32 i=0;i<nChildCount;i++)
{
Reference< XAccessible > xAccessible = getAccessibleChild(i);
com::sun::star::uno::Reference< com::sun::star::accessibility::XAccessibleContext > xAccessibleChild = xAccessible->getAccessibleContext();
if(m_pImpl->m_xTable == xAccessible)
{
std::vector< AccessibleGridControlTableCell* > xCellCont = m_pImpl->m_pTable->getCellVector();
int nIndex = m_aTable.GetCurrentRow()*m_aTable.GetColumnCount()+m_aTable.GetCurrentColumn();
if(!xCellCont.empty() && xCellCont[nIndex])
{
m_pImpl->m_pCell = xCellCont[nIndex];
m_pImpl->m_pCell->commitEvent( _nEventId, _rNewValue, _rOldValue );
}
}
}
}
else
{
if ( m_pImpl->m_xTable.is() )
m_pImpl->m_pTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
}
}
void AccessibleGridControl::commitTableEvent(sal_Int16 _nEventId,const Any& _rNewValue,const Any& _rOldValue)
{
if ( m_pImpl->m_xTable.is() )
{
if(_nEventId == AccessibleEventId::ACTIVE_DESCENDANT_CHANGED)
{
Reference< XAccessible > xChild = m_pImpl->m_pTable->getAccessibleChild(m_aTable.GetCurrentRow()*m_aTable.GetColumnCount()+m_aTable.GetCurrentColumn());
m_pImpl->m_pTable->commitEvent(_nEventId, makeAny(xChild),_rOldValue);
}
else if(_nEventId == AccessibleEventId::TABLE_MODEL_CHANGED)
{
AccessibleTableModelChange aChange;
if(_rNewValue >>= aChange)
{
if(aChange.Type == AccessibleTableModelChangeType::DELETE)
{
std::vector< AccessibleGridControlTableCell* >::iterator m_pCell = m_pImpl->m_pTable->getCellVector().begin();
std::vector< Reference< XAccessible > >::iterator m_xAccessibleVector = m_pImpl->m_pTable->getAccessibleCellVector().begin();
int nColCount = m_aTable.GetColumnCount();
m_pImpl->m_pTable->getCellVector().erase(m_pCell+nColCount*aChange.FirstRow, m_pCell+nColCount*aChange.LastRow );
m_pImpl->m_pTable->getAccessibleCellVector().erase(m_xAccessibleVector+nColCount*aChange.FirstRow, m_xAccessibleVector+nColCount*aChange.LastRow);
m_pImpl->m_pTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
}
else
m_pImpl->m_pTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
}
}
else
m_pImpl->m_pTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
}
}
// ============================================================================
// = AccessibleGridControlAccess
// ============================================================================
// -----------------------------------------------------------------------------
AccessibleGridControlAccess::AccessibleGridControlAccess( const Reference< XAccessible >& _rxParent, IAccessibleTable& _rTable )
:m_xParent( _rxParent )
,m_rTable( _rTable )
,m_pContext( NULL )
{
}
// -----------------------------------------------------------------------------
AccessibleGridControlAccess::~AccessibleGridControlAccess()
{
}
// -----------------------------------------------------------------------------
void AccessibleGridControlAccess::dispose()
{
::osl::MutexGuard aGuard( m_aMutex );
m_pContext = NULL;
::comphelper::disposeComponent( m_xContext );
}
// -----------------------------------------------------------------------------
Reference< XAccessibleContext > SAL_CALL AccessibleGridControlAccess::getAccessibleContext() throw ( RuntimeException )
{
::osl::MutexGuard aGuard( m_aMutex );
OSL_ENSURE( ( m_pContext && m_xContext.is() ) || ( !m_pContext && !m_xContext.is() ),
"accessibility/extended/AccessibleGridControlAccess::getAccessibleContext: inconsistency!" );
// if the context died meanwhile (we're no listener, so it won't tell us explicitily when this happens),
// then reset an re-create.
if ( m_pContext && !m_pContext->isAlive() )
m_xContext = m_pContext = NULL;
if ( !m_xContext.is() )
m_xContext = m_pContext = new AccessibleGridControl( m_xParent, this, m_rTable );
return m_xContext;
}
// -----------------------------------------------------------------------------
bool AccessibleGridControlAccess::isContextAlive() const
{
return ( NULL != m_pContext ) && m_pContext->isAlive();
}
// ============================================================================
} // namespace accessibility
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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