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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 <vcl/svapp.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 <frmfmt.hxx>
#include <ndnotxt.hxx>
#include <flyfrm.hxx>
#include <cntfrm.hxx>
#include <hints.hxx> //#i73249#
#include "accnotextframe.hxx"
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using ::rtl::OUString;
const SwNoTxtNode *SwAccessibleNoTextFrame::GetNoTxtNode() const
{
const SwNoTxtNode *pNd = 0;
const SwFlyFrm *pFlyFrm = static_cast< const SwFlyFrm *>( GetFrm() );
if( pFlyFrm->Lower() && pFlyFrm->Lower()->IsNoTxtFrm() )
{
const SwCntntFrm *pCntFrm =
static_cast<const SwCntntFrm *>( pFlyFrm->Lower() );
pNd = pCntFrm->GetNode()->GetNoTxtNode();
}
return pNd;
}
SwAccessibleNoTextFrame::SwAccessibleNoTextFrame(
SwAccessibleMap* pInitMap,
sal_Int16 nInitRole,
const SwFlyFrm* pFlyFrm ) :
SwAccessibleFrameBase( pInitMap, nInitRole, pFlyFrm ),
aDepend( this, const_cast < SwNoTxtNode * >( GetNoTxtNode() ) ),
msTitle(),
msDesc()
{
const SwNoTxtNode* pNd = GetNoTxtNode();
// #i73249#
// consider new attributes Title and Description
if( pNd )
{
msTitle = pNd->GetTitle();
msDesc = pNd->GetDescription();
if ( msDesc.getLength() == 0 &&
msTitle != GetName() )
{
msDesc = msTitle;
}
}
}
SwAccessibleNoTextFrame::~SwAccessibleNoTextFrame()
{
}
void SwAccessibleNoTextFrame::Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew)
{
const sal_uInt16 nWhich = pOld ? pOld->Which() : pNew ? pNew->Which() : 0 ;
// #i73249#
// suppress handling of RES_NAME_CHANGED in case that attribute Title is
// used as the accessible name.
if ( nWhich != RES_NAME_CHANGED ||
msTitle.getLength() == 0 )
{
SwAccessibleFrameBase::Modify( pOld, pNew );
}
const SwNoTxtNode *pNd = GetNoTxtNode();
OSL_ENSURE( pNd == aDepend.GetRegisteredIn(), "invalid frame" );
switch( nWhich )
{
// #i73249#
case RES_TITLE_CHANGED:
{
const String& sOldTitle(
dynamic_cast<const SwStringMsgPoolItem*>(pOld)->GetString() );
const String& sNewTitle(
dynamic_cast<const SwStringMsgPoolItem*>(pNew)->GetString() );
if ( sOldTitle == sNewTitle )
{
break;
}
msTitle = sNewTitle;
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::NAME_CHANGED;
aEvent.OldValue <<= OUString( sOldTitle );
aEvent.NewValue <<= msTitle;
FireAccessibleEvent( aEvent );
if ( pNd->GetDescription().Len() != 0 )
{
break;
}
}
// intentional no break here
case RES_DESCRIPTION_CHANGED:
{
if ( pNd && GetFrm() )
{
const OUString sOldDesc( msDesc );
const String& rDesc = pNd->GetDescription();
msDesc = rDesc;
if ( msDesc.getLength() == 0 &&
msTitle != GetName() )
{
msDesc = msTitle;
}
if ( msDesc != sOldDesc )
{
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED;
aEvent.OldValue <<= sOldDesc;
aEvent.NewValue <<= msDesc;
FireAccessibleEvent( aEvent );
}
}
}
break;
}
}
void SwAccessibleNoTextFrame::Dispose( sal_Bool bRecursive )
{
SolarMutexGuard aGuard;
if( aDepend.GetRegisteredIn() )
const_cast < SwModify *>( aDepend.GetRegisteredIn() )->Remove( &aDepend );
SwAccessibleFrameBase::Dispose( bRecursive );
}
// #i73249#
OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleName (void)
throw (uno::RuntimeException)
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleContext )
if ( msTitle.getLength() != 0 )
{
return msTitle;
}
return SwAccessibleFrameBase::getAccessibleName();
}
OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleDescription (void)
throw (uno::RuntimeException)
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleContext )
return msDesc;
}
//
// XInterface
//
uno::Any SAL_CALL SwAccessibleNoTextFrame::queryInterface( const uno::Type& aType )
throw (uno::RuntimeException)
{
if( aType ==
::getCppuType( static_cast<uno::Reference<XAccessibleImage>*>( NULL ) ) )
{
uno::Reference<XAccessibleImage> xImage = this;
uno::Any aAny;
aAny <<= xImage;
return aAny;
}
else
return SwAccessibleContext::queryInterface( aType );
}
//====== XTypeProvider ====================================================
uno::Sequence< uno::Type > SAL_CALL SwAccessibleNoTextFrame::getTypes() throw(uno::RuntimeException)
{
uno::Sequence< uno::Type > aTypes( SwAccessibleFrameBase::getTypes() );
sal_Int32 nIndex = aTypes.getLength();
aTypes.realloc( nIndex + 1 );
uno::Type* pTypes = aTypes.getArray();
pTypes[nIndex] = ::getCppuType( static_cast< uno::Reference< XAccessibleImage > * >( 0 ) );
return aTypes;
}
//
// XAccessibleImage
//
// implementation of the XAccessibleImage methods is a no-brainer, as
// all releveant information is already accessible through other
// methods. So we just delegate to those.
OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageDescription()
throw ( uno::RuntimeException )
{
return getAccessibleDescription();
}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageHeight( )
throw ( uno::RuntimeException )
{
return getSize().Height;
}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageWidth( )
throw ( uno::RuntimeException )
{
return getSize().Width;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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