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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <vcl/svapp.hxx>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <cppuhelper/typeprovider.hxx>
#include <frmfmt.hxx>
#include <ndnotxt.hxx>
#include <flyfrm.hxx>
#include <notxtfrm.hxx>
#include <hints.hxx>
#include "accnotextframe.hxx"
#include <fmturl.hxx>
#include "accnotexthyperlink.hxx"
#include <unotools/accessiblerelationsethelper.hxx>
#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using utl::AccessibleRelationSetHelper;
const SwNoTextNode *SwAccessibleNoTextFrame::GetNoTextNode() const
{
const SwNoTextNode *pNd = nullptr;
const SwFlyFrame *pFlyFrame = static_cast< const SwFlyFrame *>( GetFrame() );
if( pFlyFrame->Lower() && pFlyFrame->Lower()->IsNoTextFrame() )
{
const SwNoTextFrame *pContentFrame =
static_cast<const SwNoTextFrame *>(pFlyFrame->Lower());
const SwContentNode* pSwContentNode = pContentFrame->GetNode();
if(pSwContentNode != nullptr)
{
pNd = pSwContentNode->GetNoTextNode();
}
}
return pNd;
}
SwAccessibleNoTextFrame::SwAccessibleNoTextFrame(
std::shared_ptr<SwAccessibleMap> const& pInitMap,
sal_Int16 nInitRole,
const SwFlyFrame* pFlyFrame ) :
SwAccessibleFrameBase( pInitMap, nInitRole, pFlyFrame )
{
const SwNoTextNode* pNd = GetNoTextNode();
// #i73249#
// consider new attributes Title and Description
if( pNd )
{
StartListening(const_cast<SwNoTextNode*>(pNd)->GetNotifier());
msTitle = pNd->GetTitle();
msDesc = pNd->GetDescription();
if ( msDesc.isEmpty() &&
msTitle != GetName() )
{
msDesc = msTitle;
}
}
}
SwAccessibleNoTextFrame::~SwAccessibleNoTextFrame()
{
}
void SwAccessibleNoTextFrame::Notify(const SfxHint& rHint)
{
const SwNoTextNode* pNd = GetNoTextNode();
switch(rHint.GetId())
{
case SfxHintId::Dying:
EndListeningAll();
return;
default:
return;
case SfxHintId::SwTitleChanged:
{
auto rTitleChanged = static_cast<const sw::TitleChanged&>(rHint);
if(rTitleChanged.m_sOld == rTitleChanged.m_sNew)
break;
msTitle = rTitleChanged.m_sNew;
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::NAME_CHANGED;
aEvent.OldValue <<= rTitleChanged.m_sOld;
aEvent.NewValue <<= msTitle;
FireAccessibleEvent(aEvent);
if(!pNd->GetDescription().isEmpty())
break;
[[fallthrough]];
}
case SfxHintId::SwDescriptionChanged:
if(pNd && GetFrame())
{
const OUString sOldDesc(msDesc);
msDesc = pNd->GetDescription();
if(msDesc.isEmpty() && msTitle != GetName())
msDesc = msTitle;
if(msDesc == sOldDesc)
return;
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED;
aEvent.OldValue <<= sOldDesc;
aEvent.NewValue <<= msDesc;
FireAccessibleEvent(aEvent);
}
return;
}
}
void SwAccessibleNoTextFrame::Dispose(bool bRecursive, bool bCanSkipInvisible)
{
SolarMutexGuard aGuard;
EndListeningAll();
SwAccessibleFrameBase::Dispose(bRecursive, bCanSkipInvisible);
}
// #i73249#
OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleName()
{
SolarMutexGuard aGuard;
ThrowIfDisposed();
if ( !msTitle.isEmpty() )
{
return msTitle;
}
return SwAccessibleFrameBase::getAccessibleName();
}
OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleDescription()
{
SolarMutexGuard aGuard;
ThrowIfDisposed();
return msDesc;
}
// XInterface
uno::Any SAL_CALL SwAccessibleNoTextFrame::queryInterface( const uno::Type& aType )
{
if( aType ==
::cppu::UnoType<XAccessibleImage>::get() )
{
uno::Reference<XAccessibleImage> xImage = this;
return uno::Any(xImage);
}
else if ( aType == cppu::UnoType<XAccessibleHypertext>::get())
{
uno::Reference<XAccessibleHypertext> aAccHypertext = this;
return uno::Any( aAccHypertext );
}
else
return SwAccessibleContext::queryInterface( aType );
}
// XTypeProvider
uno::Sequence< uno::Type > SAL_CALL SwAccessibleNoTextFrame::getTypes()
{
return cppu::OTypeCollection(
::cppu::UnoType<XAccessibleImage>::get(),
SwAccessibleFrameBase::getTypes() ).getTypes();
}
/// XAccessibleImage
/** implementation of the XAccessibleImage methods is a no-brainer, as
all relevant information is already accessible through other
methods. So we just delegate to those. */
OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageDescription()
{
return getAccessibleDescription();
}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageHeight( )
{
return getSize().Height;
}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageWidth( )
{
return getSize().Width;
}
// XAccessibleText
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getCaretPosition( ){return 0;}
sal_Bool SAL_CALL SwAccessibleNoTextFrame::setCaretPosition( sal_Int32 ){return false;}
sal_Unicode SAL_CALL SwAccessibleNoTextFrame::getCharacter( sal_Int32 ){return 0;}
css::uno::Sequence< css::beans::PropertyValue > SAL_CALL SwAccessibleNoTextFrame::getCharacterAttributes( sal_Int32 , const css::uno::Sequence< OUString >& )
{
return uno::Sequence<beans::PropertyValue>();
}
css::awt::Rectangle SAL_CALL SwAccessibleNoTextFrame::getCharacterBounds( sal_Int32 )
{
return css::awt::Rectangle(0, 0, 0, 0 );
}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getCharacterCount( ){return 0;}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getIndexAtPoint( const css::awt::Point& ){return 0;}
OUString SAL_CALL SwAccessibleNoTextFrame::getSelectedText( ){return OUString();}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getSelectionStart( ){return 0;}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getSelectionEnd( ){return 0;}
sal_Bool SAL_CALL SwAccessibleNoTextFrame::setSelection( sal_Int32 , sal_Int32 ){return true;}
OUString SAL_CALL SwAccessibleNoTextFrame::getText( ){return OUString();}
OUString SAL_CALL SwAccessibleNoTextFrame::getTextRange( sal_Int32 , sal_Int32 ){return OUString();}
css::accessibility::TextSegment SAL_CALL SwAccessibleNoTextFrame::getTextAtIndex( sal_Int32 , sal_Int16 )
{
css::accessibility::TextSegment aResult;
return aResult;
}
css::accessibility::TextSegment SAL_CALL SwAccessibleNoTextFrame::getTextBeforeIndex( sal_Int32, sal_Int16 )
{
css::accessibility::TextSegment aResult;
return aResult;
}
css::accessibility::TextSegment SAL_CALL SwAccessibleNoTextFrame::getTextBehindIndex( sal_Int32 , sal_Int16 )
{
css::accessibility::TextSegment aResult;
return aResult;
}
sal_Bool SAL_CALL SwAccessibleNoTextFrame::copyText( sal_Int32, sal_Int32 ){return true;}
sal_Bool SAL_CALL SwAccessibleNoTextFrame::scrollSubstringTo( sal_Int32, sal_Int32, AccessibleScrollType ){return false;}
// XAccessibleHyperText
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getHyperLinkCount()
{
SolarMutexGuard aGuard;
ThrowIfDisposed();
sal_Int32 nCount = 0;
SwFormatURL aURL( static_cast<const SwLayoutFrame*>(GetFrame())->GetFormat()->GetURL() );
if(aURL.GetMap() || !aURL.GetURL().isEmpty())
nCount = 1;
return nCount;
}
uno::Reference< XAccessibleHyperlink > SAL_CALL
SwAccessibleNoTextFrame::getHyperLink( sal_Int32 nLinkIndex )
{
SolarMutexGuard aGuard;
ThrowIfDisposed();
SwFormatURL aURL( static_cast<const SwLayoutFrame*>(GetFrame())->GetFormat()->GetURL() );
if( nLinkIndex > 0 )
throw lang::IndexOutOfBoundsException();
if( aURL.GetMap() || !aURL.GetURL().isEmpty() )
{
if ( !m_xHyperlink.is() )
{
m_xHyperlink = new SwAccessibleNoTextHyperlink( this, GetFrame() );
}
return m_xHyperlink;
}
return nullptr;
}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getHyperLinkIndex( sal_Int32 )
{
return 0;
}
uno::Reference<XAccessibleRelationSet> SAL_CALL SwAccessibleNoTextFrame::getAccessibleRelationSet( )
{
return new AccessibleRelationSetHelper();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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