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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 <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <comphelper/servicehelper.hxx>
#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/AccessibleRelation.hpp>
#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <unotools/accessiblestatesethelper.hxx>
#include <frmfmt.hxx>
#include <flyfrm.hxx>
#include <accmap.hxx>
#include <unotools/accessiblerelationsethelper.hxx>
#include <hints.hxx> // #i73249#
#include "acctextframe.hxx"
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using ::rtl::OUString;
using utl::AccessibleRelationSetHelper;
using ::com::sun::star::accessibility::XAccessibleContext;
const sal_Char sServiceName[] = "com.sun.star.text.AccessibleTextFrameView";
const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessibleTextFrameView";
SwAccessibleTextFrame::SwAccessibleTextFrame(
SwAccessibleMap* pInitMap,
const SwFlyFrm* pFlyFrm ) :
SwAccessibleFrameBase( pInitMap, AccessibleRole::TEXT_FRAME, pFlyFrm ),
msTitle(),
msDesc()
{
if ( pFlyFrm )
{
const SwFlyFrmFmt* pFlyFrmFmt =
dynamic_cast<const SwFlyFrmFmt*>( pFlyFrm->GetFmt() );
msTitle = pFlyFrmFmt->GetObjTitle();
msDesc = pFlyFrmFmt->GetObjDescription();
if ( msDesc.isEmpty() &&
msTitle != GetName() )
{
msDesc = msTitle;
}
}
}
SwAccessibleTextFrame::~SwAccessibleTextFrame()
{
}
void SwAccessibleTextFrame::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.isEmpty() )
{
SwAccessibleFrameBase::Modify( pOld, pNew );
}
const SwFlyFrm *pFlyFrm = static_cast< const SwFlyFrm * >( GetFrm() );
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 );
const SwFlyFrmFmt* pFlyFrmFmt =
dynamic_cast<const SwFlyFrmFmt*>( pFlyFrm->GetFmt() );
if ( pFlyFrmFmt->GetObjDescription().Len() != 0 )
{
break;
}
}
// intentional no break here
case RES_DESCRIPTION_CHANGED:
{
if ( pFlyFrm )
{
const OUString sOldDesc( msDesc );
const SwFlyFrmFmt* pFlyFrmFmt =
dynamic_cast<const SwFlyFrmFmt*>( pFlyFrm->GetFmt() );
const String& rDesc = pFlyFrmFmt->GetObjDescription();
msDesc = rDesc;
if ( msDesc.isEmpty() &&
msTitle != GetName() )
{
msDesc = msTitle;
}
if ( msDesc != sOldDesc )
{
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED;
aEvent.OldValue <<= sOldDesc;
aEvent.NewValue <<= msDesc;
FireAccessibleEvent( aEvent );
}
}
}
break;
}
}
// #i73249#
OUString SAL_CALL SwAccessibleTextFrame::getAccessibleName (void)
throw (uno::RuntimeException)
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleContext )
if ( !msTitle.isEmpty() )
{
return msTitle;
}
return SwAccessibleFrameBase::getAccessibleName();
}
OUString SAL_CALL SwAccessibleTextFrame::getAccessibleDescription (void)
throw (uno::RuntimeException)
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleContext )
return msDesc;
}
OUString SAL_CALL SwAccessibleTextFrame::getImplementationName()
throw( uno::RuntimeException )
{
return OUString(RTL_CONSTASCII_USTRINGPARAM(sImplementationName));
}
sal_Bool SAL_CALL SwAccessibleTextFrame::supportsService(
const OUString& sTestServiceName)
throw (uno::RuntimeException)
{
return sTestServiceName.equalsAsciiL( sServiceName,
sizeof(sServiceName)-1 ) ||
sTestServiceName.equalsAsciiL( sAccessibleServiceName,
sizeof(sAccessibleServiceName)-1 );
}
uno::Sequence< OUString > SAL_CALL SwAccessibleTextFrame::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;
}
namespace
{
class theSwAccessibleTextFrameImplementationId : public rtl::Static< UnoTunnelIdInit, theSwAccessibleTextFrameImplementationId > {};
}
uno::Sequence< sal_Int8 > SAL_CALL SwAccessibleTextFrame::getImplementationId()
throw(uno::RuntimeException)
{
return theSwAccessibleTextFrameImplementationId::get().getSeq();
}
//
// XAccessibleRelationSet
//
SwFlyFrm* SwAccessibleTextFrame::getFlyFrm() const
{
SwFlyFrm* pFlyFrm = NULL;
const SwFrm* pFrm = GetFrm();
OSL_ENSURE( pFrm != NULL, "frame expected" );
if( pFrm->IsFlyFrm() )
{
pFlyFrm = static_cast<SwFlyFrm*>( const_cast<SwFrm*>( pFrm ) );
}
return pFlyFrm;
}
AccessibleRelation SwAccessibleTextFrame::makeRelation( sal_Int16 nType, const SwFlyFrm* pFrm )
{
uno::Sequence<uno::Reference<XInterface> > aSequence(1);
aSequence[0] = GetMap()->GetContext( pFrm );
return AccessibleRelation( nType, aSequence );
}
uno::Reference<XAccessibleRelationSet> SAL_CALL SwAccessibleTextFrame::getAccessibleRelationSet( )
throw ( uno::RuntimeException )
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleContext );
// get the frame, and insert prev/next relations into helper
AccessibleRelationSetHelper* pHelper = new AccessibleRelationSetHelper();
SwFlyFrm* pFlyFrm = getFlyFrm();
OSL_ENSURE( pFlyFrm != NULL, "fly frame expected" );
const SwFlyFrm* pPrevFrm = pFlyFrm->GetPrevLink();
if( pPrevFrm != NULL )
pHelper->AddRelation( makeRelation(
AccessibleRelationType::CONTENT_FLOWS_FROM, pPrevFrm ) );
const SwFlyFrm* pNextFrm = pFlyFrm->GetNextLink();
if( pNextFrm != NULL )
pHelper->AddRelation( makeRelation(
AccessibleRelationType::CONTENT_FLOWS_TO, pNextFrm ) );
return pHelper;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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