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cba921ea0b293acc4b4e64f043f2e56d3e4cb15b
libreoffice/sw/source/core/access/acccell.cxx
Michael Stahl b844f06b36 fdo#48692: fix problems with large number of table cells: 
SwSelBoxes containers are filled from SwTableSortBoxes in various
places, so adapt that to use size_t integers as well.

Change-Id: Ia55f020bb9ada94bb22802d9adabb055a22edd2f
2012-09-21 18:05:02 +02:00

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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 <osl/mutex.hxx>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <unotools/accessiblestatesethelper.hxx>
#include <comphelper/servicehelper.hxx>
#include <vcl/svapp.hxx>
#include <cellfrm.hxx>
#include <tabfrm.hxx>
#include <swtable.hxx>
#include "crsrsh.hxx"
#include "viscrs.hxx"
#include <accfrmobj.hxx>
#include <accfrmobjslist.hxx>
#include "frmfmt.hxx"
#include "cellatr.hxx"
#include "accmap.hxx"
#include <acccell.hxx>
#include <cfloat>
#include <limits.h>
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using ::rtl::OUString;
using namespace sw::access;
const sal_Char sServiceName[] = "com.sun.star.table.AccessibleCellView";
const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessibleCellView";
sal_Bool SwAccessibleCell::IsSelected()
{
sal_Bool bRet = sal_False;
OSL_ENSURE( GetMap(), "no map?" );
const ViewShell *pVSh = GetMap()->GetShell();
OSL_ENSURE( pVSh, "no shell?" );
if( pVSh->ISA( SwCrsrShell ) )
{
const SwCrsrShell *pCSh = static_cast< const SwCrsrShell * >( pVSh );
if( pCSh->IsTableMode() )
{
const SwCellFrm *pCFrm =
static_cast< const SwCellFrm * >( GetFrm() );
SwTableBox *pBox =
const_cast< SwTableBox *>( pCFrm->GetTabBox() );
SwSelBoxes const& rBoxes(pCSh->GetTableCrsr()->GetSelectedBoxes());
bRet = rBoxes.find(pBox) != rBoxes.end();
}
}
return bRet;
}
void SwAccessibleCell::GetStates( ::utl::AccessibleStateSetHelper& rStateSet )
{
SwAccessibleContext::GetStates( rStateSet );
// SELECTABLE
const ViewShell *pVSh = GetMap()->GetShell();
OSL_ENSURE( pVSh, "no shell?" );
if( pVSh->ISA( SwCrsrShell ) )
rStateSet.AddState( AccessibleStateType::SELECTABLE );
// SELECTED
if( IsSelected() )
{
rStateSet.AddState( AccessibleStateType::SELECTED );
OSL_ENSURE( bIsSelected, "bSelected out of sync" );
::rtl::Reference < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
}
SwAccessibleCell::SwAccessibleCell( SwAccessibleMap *pInitMap,
const SwCellFrm *pCellFrm )
: SwAccessibleContext( pInitMap, AccessibleRole::TABLE_CELL, pCellFrm )
, bIsSelected( sal_False )
{
SolarMutexGuard aGuard;
OUString sBoxName( pCellFrm->GetTabBox()->GetName() );
SetName( sBoxName );
bIsSelected = IsSelected();
}
sal_Bool SwAccessibleCell::_InvalidateMyCursorPos()
{
sal_Bool bNew = IsSelected();
sal_Bool bOld;
{
osl::MutexGuard aGuard( aMutex );
bOld = bIsSelected;
bIsSelected = bNew;
}
if( bNew )
{
// remember that object as the one that has the caret. This is
// neccessary to notify that object if the cursor leaves it.
::rtl::Reference < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
sal_Bool bChanged = bOld != bNew;
if( bChanged )
FireStateChangedEvent( AccessibleStateType::SELECTED, bNew );
return bChanged;
}
sal_Bool SwAccessibleCell::_InvalidateChildrenCursorPos( const SwFrm *pFrm )
{
sal_Bool bChanged = sal_False;
const SwAccessibleChildSList aVisList( GetVisArea(), *pFrm, *GetMap() );
SwAccessibleChildSList::const_iterator aIter( aVisList.begin() );
while( aIter != aVisList.end() )
{
const SwAccessibleChild& rLower = *aIter;
const SwFrm *pLower = rLower.GetSwFrm();
if( pLower )
{
if( rLower.IsAccessible( GetMap()->GetShell()->IsPreView() ) )
{
::rtl::Reference< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pLower, sal_False ) );
if( xAccImpl.is() )
{
OSL_ENSURE( xAccImpl->GetFrm()->IsCellFrm(),
"table child is not a cell frame" );
bChanged |= static_cast< SwAccessibleCell *>(
xAccImpl.get() )->_InvalidateMyCursorPos();
}
else
bChanged = sal_True; // If the context is not know we
// don't know whether the selection
// changed or not.
}
else
{
// This is a box with sub rows.
bChanged |= _InvalidateChildrenCursorPos( pLower );
}
}
++aIter;
}
return bChanged;
}
void SwAccessibleCell::_InvalidateCursorPos()
{
const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() );
OSL_ENSURE( pParent->IsTabFrm(), "parent is not a tab frame" );
const SwTabFrm *pTabFrm = static_cast< const SwTabFrm * >( pParent );
if( pTabFrm->IsFollow() )
pTabFrm = pTabFrm->FindMaster();
while( pTabFrm )
{
sal_Bool bChanged = _InvalidateChildrenCursorPos( pTabFrm );
if( bChanged )
{
::rtl::Reference< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pTabFrm, sal_False ) );
if( xAccImpl.is() )
{
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::SELECTION_CHANGED;
xAccImpl->FireAccessibleEvent( aEvent );
}
}
pTabFrm = pTabFrm->GetFollow();
}
}
sal_Bool SwAccessibleCell::HasCursor()
{
osl::MutexGuard aGuard( aMutex );
return bIsSelected;
}
SwAccessibleCell::~SwAccessibleCell()
{
}
OUString SAL_CALL SwAccessibleCell::getAccessibleDescription (void)
throw (uno::RuntimeException)
{
return GetName();
}
OUString SAL_CALL SwAccessibleCell::getImplementationName()
throw( uno::RuntimeException )
{
return OUString(RTL_CONSTASCII_USTRINGPARAM(sImplementationName));
}
sal_Bool SAL_CALL SwAccessibleCell::supportsService(
const ::rtl::OUString& sTestServiceName)
throw (uno::RuntimeException)
{
return sTestServiceName.equalsAsciiL( sServiceName,
sizeof(sServiceName)-1 ) ||
sTestServiceName.equalsAsciiL( sAccessibleServiceName,
sizeof(sAccessibleServiceName)-1 );
}
uno::Sequence< OUString > SAL_CALL SwAccessibleCell::getSupportedServiceNames()
throw( uno::RuntimeException )
{
uno::Sequence< OUString > aRet(2);
OUString* pArray = aRet.getArray();
pArray[0] = OUString( RTL_CONSTASCII_USTRINGPARAM(sServiceName) );
pArray[1] = OUString( RTL_CONSTASCII_USTRINGPARAM(sAccessibleServiceName) );
return aRet;
}
void SwAccessibleCell::Dispose( sal_Bool bRecursive )
{
const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() );
::rtl::Reference< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pParent, sal_False ) );
if( xAccImpl.is() )
xAccImpl->DisposeChild( SwAccessibleChild(GetFrm()), bRecursive );
SwAccessibleContext::Dispose( bRecursive );
}
void SwAccessibleCell::InvalidatePosOrSize( const SwRect& rOldBox )
{
const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() );
::rtl::Reference< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pParent, sal_False ) );
if( xAccImpl.is() )
xAccImpl->InvalidateChildPosOrSize( SwAccessibleChild(GetFrm()), rOldBox );
SwAccessibleContext::InvalidatePosOrSize( rOldBox );
}
// ===== XAccessibleInterface ===========================================
uno::Any SwAccessibleCell::queryInterface( const uno::Type& rType )
throw( uno::RuntimeException )
{
if ( rType == ::getCppuType( static_cast< uno::Reference< XAccessibleValue > * >( 0 ) ) )
{
uno::Reference<XAccessibleValue> xValue = this;
uno::Any aRet;
aRet <<= xValue;
return aRet;
}
else
{
return SwAccessibleContext::queryInterface( rType );
}
}
//====== XTypeProvider ====================================================
uno::Sequence< uno::Type > SAL_CALL SwAccessibleCell::getTypes()
throw(uno::RuntimeException)
{
uno::Sequence< uno::Type > aTypes( SwAccessibleContext::getTypes() );
sal_Int32 nIndex = aTypes.getLength();
aTypes.realloc( nIndex + 1 );
uno::Type* pTypes = aTypes.getArray();
pTypes[nIndex] = ::getCppuType( static_cast< uno::Reference< XAccessibleValue > * >( 0 ) );
return aTypes;
}
namespace
{
class theSwAccessibleCellImplementationId : public rtl::Static< UnoTunnelIdInit, theSwAccessibleCellImplementationId > {};
}
uno::Sequence< sal_Int8 > SAL_CALL SwAccessibleCell::getImplementationId()
throw(uno::RuntimeException)
{
return theSwAccessibleCellImplementationId::get().getSeq();
}
// ===== XAccessibleValue ===============================================
SwFrmFmt* SwAccessibleCell::GetTblBoxFormat() const
{
OSL_ENSURE( GetFrm() != NULL, "no frame?" );
OSL_ENSURE( GetFrm()->IsCellFrm(), "no cell frame?" );
const SwCellFrm* pCellFrm = static_cast<const SwCellFrm*>( GetFrm() );
return pCellFrm->GetTabBox()->GetFrmFmt();
}
uno::Any SwAccessibleCell::getCurrentValue( )
throw( uno::RuntimeException )
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleValue );
uno::Any aAny;
aAny <<= GetTblBoxFormat()->GetTblBoxValue().GetValue();
return aAny;
}
sal_Bool SwAccessibleCell::setCurrentValue( const uno::Any& aNumber )
throw( uno::RuntimeException )
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleValue );
double fValue = 0;
sal_Bool bValid = (aNumber >>= fValue);
if( bValid )
{
SwTblBoxValue aValue( fValue );
GetTblBoxFormat()->SetFmtAttr( aValue );
}
return bValid;
}
uno::Any SwAccessibleCell::getMaximumValue( )
throw( uno::RuntimeException )
{
uno::Any aAny;
aAny <<= DBL_MAX;
return aAny;
}
uno::Any SwAccessibleCell::getMinimumValue( )
throw( uno::RuntimeException )
{
uno::Any aAny;
aAny <<= -DBL_MAX;
return aAny;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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