395 lines
14 KiB
C++
395 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <osl/mutex.hxx>
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#include <vcl/svapp.hxx>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <com/sun/star/accessibility/AccessibleEventId.hpp>
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#include <unotools/accessiblestatesethelper.hxx>
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#include <frmfmt.hxx>
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#include <ndnotxt.hxx>
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#include <flyfrm.hxx>
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#include <cntfrm.hxx>
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#include <hints.hxx>
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#include "accnotextframe.hxx"
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#include <fmturl.hxx>
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#include <accnotexthyperlink.hxx>
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#include <svtools/imap.hxx>
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#include <unotools/accessiblerelationsethelper.hxx>
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#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
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#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
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#include <doc.hxx>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::accessibility;
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using utl::AccessibleRelationSetHelper;
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const SwNoTxtNode *SwAccessibleNoTextFrame::GetNoTxtNode() const
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{
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const SwNoTxtNode *pNd = 0;
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const SwFlyFrm *pFlyFrm = static_cast< const SwFlyFrm *>( GetFrm() );
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if( pFlyFrm->Lower() && pFlyFrm->Lower()->IsNoTxtFrm() )
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{
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const SwCntntFrm *pCntFrm =
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static_cast<const SwCntntFrm *>( pFlyFrm->Lower() );
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const SwCntntNode* pSwCntntNode = pCntFrm->GetNode();
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if(pSwCntntNode != NULL)
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{
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pNd = pSwCntntNode->GetNoTxtNode();
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}
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}
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return pNd;
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}
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SwAccessibleNoTextFrame::SwAccessibleNoTextFrame(
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SwAccessibleMap* pInitMap,
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sal_Int16 nInitRole,
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const SwFlyFrm* pFlyFrm ) :
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SwAccessibleFrameBase( pInitMap, nInitRole, pFlyFrm ),
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aDepend( this, const_cast < SwNoTxtNode * >( GetNoTxtNode() ) ),
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msTitle(),
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msDesc()
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{
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const SwNoTxtNode* pNd = GetNoTxtNode();
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// #i73249#
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// consider new attributes Title and Description
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if( pNd )
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{
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msTitle = pNd->GetTitle();
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msDesc = pNd->GetDescription();
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if ( msDesc.isEmpty() &&
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msTitle != GetName() )
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{
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msDesc = msTitle;
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}
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}
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}
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SwAccessibleNoTextFrame::~SwAccessibleNoTextFrame()
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{
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}
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void SwAccessibleNoTextFrame::Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew)
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{
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const sal_uInt16 nWhich = pOld ? pOld->Which() : pNew ? pNew->Which() : 0 ;
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// #i73249#
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// suppress handling of RES_NAME_CHANGED in case that attribute Title is
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// used as the accessible name.
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if ( nWhich != RES_NAME_CHANGED ||
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msTitle.isEmpty() )
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{
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SwAccessibleFrameBase::Modify( pOld, pNew );
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if (!GetRegisteredIn())
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return; // probably was deleted - avoid doing anything
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}
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const SwNoTxtNode *pNd = GetNoTxtNode();
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OSL_ENSURE( pNd == aDepend.GetRegisteredIn(), "invalid frame" );
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switch( nWhich )
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{
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// #i73249#
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case RES_TITLE_CHANGED:
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{
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const OUString& sOldTitle(
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dynamic_cast<const SwStringMsgPoolItem*>(pOld)->GetString() );
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const OUString& sNewTitle(
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dynamic_cast<const SwStringMsgPoolItem*>(pNew)->GetString() );
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if ( sOldTitle == sNewTitle )
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{
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break;
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}
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msTitle = sNewTitle;
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AccessibleEventObject aEvent;
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aEvent.EventId = AccessibleEventId::NAME_CHANGED;
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aEvent.OldValue <<= sOldTitle;
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aEvent.NewValue <<= msTitle;
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FireAccessibleEvent( aEvent );
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if ( !pNd->GetDescription().isEmpty() )
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{
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break;
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}
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}
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// intentional no break here
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case RES_DESCRIPTION_CHANGED:
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{
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if ( pNd && GetFrm() )
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{
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const OUString sOldDesc( msDesc );
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const OUString& rDesc = pNd->GetDescription();
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msDesc = rDesc;
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if ( msDesc.isEmpty() &&
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msTitle != GetName() )
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{
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msDesc = msTitle;
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}
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if ( msDesc != sOldDesc )
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{
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AccessibleEventObject aEvent;
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aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED;
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aEvent.OldValue <<= sOldDesc;
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aEvent.NewValue <<= msDesc;
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FireAccessibleEvent( aEvent );
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}
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}
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}
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break;
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}
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}
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void SwAccessibleNoTextFrame::Dispose( sal_Bool bRecursive )
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{
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SolarMutexGuard aGuard;
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if( aDepend.GetRegisteredIn() )
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const_cast < SwModify *>( aDepend.GetRegisteredIn() )->Remove( &aDepend );
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SwAccessibleFrameBase::Dispose( bRecursive );
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}
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// #i73249#
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OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleName (void)
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throw (uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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CHECK_FOR_DEFUNC( XAccessibleContext )
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if ( !msTitle.isEmpty() )
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{
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return msTitle;
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}
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return SwAccessibleFrameBase::getAccessibleName();
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}
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OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleDescription (void)
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throw (uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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CHECK_FOR_DEFUNC( XAccessibleContext )
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return msDesc;
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}
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// XInterface
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uno::Any SAL_CALL SwAccessibleNoTextFrame::queryInterface( const uno::Type& aType )
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throw (uno::RuntimeException)
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{
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if( aType ==
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::getCppuType( static_cast<uno::Reference<XAccessibleImage>*>( NULL ) ) )
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{
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uno::Reference<XAccessibleImage> xImage = this;
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uno::Any aAny;
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aAny <<= xImage;
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return aAny;
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}
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else if ( aType == ::getCppuType((uno::Reference<XAccessibleHypertext> *)0) )
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{
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uno::Reference<XAccessibleHypertext> aAccHypertext = this;
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uno::Any aAny;
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aAny <<= aAccHypertext;
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return aAny;
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}
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else
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return SwAccessibleContext::queryInterface( aType );
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}
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// XTypeProvider
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uno::Sequence< uno::Type > SAL_CALL SwAccessibleNoTextFrame::getTypes() throw(uno::RuntimeException)
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{
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uno::Sequence< uno::Type > aTypes( SwAccessibleFrameBase::getTypes() );
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sal_Int32 nIndex = aTypes.getLength();
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aTypes.realloc( nIndex + 1 );
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uno::Type* pTypes = aTypes.getArray();
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pTypes[nIndex] = ::getCppuType( static_cast< uno::Reference< XAccessibleImage > * >( 0 ) );
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return aTypes;
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}
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/// XAccessibleImage
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/** implementation of the XAccessibleImage methods is a no-brainer, as
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all relevant information is already accessible through other
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methods. So we just delegate to those. */
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OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageDescription()
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throw ( uno::RuntimeException )
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{
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return getAccessibleDescription();
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}
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sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageHeight( )
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throw ( uno::RuntimeException )
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{
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return getSize().Height;
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}
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sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageWidth( )
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throw ( uno::RuntimeException )
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{
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return getSize().Width;
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}
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//===== XAccesibleText ==================================================
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sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getCaretPosition( ) throw (::com::sun::star::uno::RuntimeException){return 0;}
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sal_Bool SAL_CALL SwAccessibleNoTextFrame::setCaretPosition( sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return 0;}
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sal_Unicode SAL_CALL SwAccessibleNoTextFrame::getCharacter( sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return 0;}
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::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL SwAccessibleNoTextFrame::getCharacterAttributes( sal_Int32 , const ::com::sun::star::uno::Sequence< OUString >& ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
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{
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uno::Sequence<beans::PropertyValue> aValues(0);
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return aValues;
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}
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::com::sun::star::awt::Rectangle SAL_CALL SwAccessibleNoTextFrame::getCharacterBounds( sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
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{
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return com::sun::star::awt::Rectangle(0, 0, 0, 0 );
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}
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sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getCharacterCount( ) throw (::com::sun::star::uno::RuntimeException){return 0;}
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sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getIndexAtPoint( const ::com::sun::star::awt::Point& ) throw (::com::sun::star::uno::RuntimeException){return 0;}
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OUString SAL_CALL SwAccessibleNoTextFrame::getSelectedText( ) throw (::com::sun::star::uno::RuntimeException){return OUString();}
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sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getSelectionStart( ) throw (::com::sun::star::uno::RuntimeException){return 0;}
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sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getSelectionEnd( ) throw (::com::sun::star::uno::RuntimeException){return 0;}
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sal_Bool SAL_CALL SwAccessibleNoTextFrame::setSelection( sal_Int32 , sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return sal_True;}
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OUString SAL_CALL SwAccessibleNoTextFrame::getText( ) throw (::com::sun::star::uno::RuntimeException){return OUString();}
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OUString SAL_CALL SwAccessibleNoTextFrame::getTextRange( sal_Int32 , sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return OUString();}
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::com::sun::star::accessibility::TextSegment SAL_CALL SwAccessibleNoTextFrame::getTextAtIndex( sal_Int32 , sal_Int16 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
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{
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::com::sun::star::accessibility::TextSegment aResult;
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return aResult;
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}
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::com::sun::star::accessibility::TextSegment SAL_CALL SwAccessibleNoTextFrame::getTextBeforeIndex( sal_Int32, sal_Int16 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
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{
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::com::sun::star::accessibility::TextSegment aResult;
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return aResult;
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}
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::com::sun::star::accessibility::TextSegment SAL_CALL SwAccessibleNoTextFrame::getTextBehindIndex( sal_Int32 , sal_Int16 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
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{
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::com::sun::star::accessibility::TextSegment aResult;
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return aResult;
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}
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sal_Bool SAL_CALL SwAccessibleNoTextFrame::copyText( sal_Int32, sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return sal_True;}
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//
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// XAccessibleHyperText
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//
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sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getHyperLinkCount()
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throw (uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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CHECK_FOR_DEFUNC( XAccessibleHypertext );
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sal_Int32 nCount = 0;
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SwFmtURL aURL( ((SwLayoutFrm*)GetFrm())->GetFmt()->GetURL() );
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if(aURL.GetMap() || !aURL.GetURL().isEmpty())
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nCount = 1;
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return nCount;
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}
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uno::Reference< XAccessibleHyperlink > SAL_CALL
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SwAccessibleNoTextFrame::getHyperLink( sal_Int32 nLinkIndex )
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throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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CHECK_FOR_DEFUNC( XAccessibleHypertext );
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uno::Reference< XAccessibleHyperlink > xRet;
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SwFmtURL aURL( ((SwLayoutFrm*)GetFrm())->GetFmt()->GetURL() );
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if( nLinkIndex > 0 )
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throw lang::IndexOutOfBoundsException();
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if( aURL.GetMap() || !aURL.GetURL().isEmpty() )
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{
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if ( !alink.is() )
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{
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alink = new SwAccessibleNoTextHyperlink( this, GetFrm() );
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}
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return alink;
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}
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return NULL;
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}
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sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getHyperLinkIndex( sal_Int32 )
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throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
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{
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SolarMutexGuard aGuard;
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CHECK_FOR_DEFUNC( XAccessibleHypertext );
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sal_Int32 nRet = 0;
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return nRet;
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}
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AccessibleRelation SwAccessibleNoTextFrame::makeRelation( sal_Int16 nType, const SwFlyFrm* pFrm )
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{
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SolarMutexGuard g;
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uno::Sequence<uno::Reference<XInterface> > aSequence(1);
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aSequence[0] = GetMap()->GetContext( pFrm );
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return AccessibleRelation( nType, aSequence );
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}
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uno::Reference<XAccessibleRelationSet> SAL_CALL SwAccessibleNoTextFrame::getAccessibleRelationSet( )
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throw ( uno::RuntimeException )
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{
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SolarMutexGuard aGuard;
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CHECK_FOR_DEFUNC( XAccessibleContext );
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// get the caption frame, and insert label relations into helper
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AccessibleRelationSetHelper* pHelper = new AccessibleRelationSetHelper();
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SwFlyFrm* pFlyFrm = getFlyFrm();
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DBG_ASSERT( pFlyFrm != NULL, "fly frame expected" );
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SwFlyFrm* pCaptionFrm = NULL;
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const SwFrmFmt* pFrm = pFlyFrm ->GetFmt()->GetCaptionFmt();
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if (pFrm)
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{
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SwClientIter aIter (*(SwModify*)pFrm);
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pCaptionFrm = (SwFlyFrm*)aIter.First( TYPE ( SwFlyFrm ));
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}
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if(pCaptionFrm!=NULL)
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{
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pHelper->AddRelation( makeRelation( AccessibleRelationType::DESCRIBED_BY, pCaptionFrm ) );
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}
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return pHelper;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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