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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 <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <cppuhelper/queryinterface.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <vcl/svapp.hxx>
#include <sal/log.hxx>
#include <com/sun/star/accessibility/AccessibleRole.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 <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <frmfmt.hxx>
#include <flyfrm.hxx>
#include <accmap.hxx>
#include <unotools/accessiblerelationsethelper.hxx>
#include <hints.hxx>
#include "acctextframe.hxx"
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using utl::AccessibleRelationSetHelper;
using ::com::sun::star::accessibility::XAccessibleContext;
SwAccessibleTextFrame::SwAccessibleTextFrame(
std::shared_ptr<SwAccessibleMap> const& pInitMap,
const SwFlyFrame& rFlyFrame ) :
SwAccessibleFrameBase( pInitMap, AccessibleRole::TEXT_FRAME, &rFlyFrame ),
msTitle(),
msDesc()
{
const SwFlyFrameFormat* pFlyFrameFormat = rFlyFrame.GetFormat();
msTitle = pFlyFrameFormat->GetObjTitle();
msDesc = pFlyFrameFormat->GetObjDescription();
if ( msDesc.isEmpty() &&
msTitle != GetName() )
{
msDesc = msTitle;
}
}
SwAccessibleTextFrame::~SwAccessibleTextFrame()
{
}
void SwAccessibleTextFrame::Notify(const SfxHint& rHint)
{
if(rHint.GetId() == SfxHintId::Dying)
EndListeningAll();
else if(auto pLegacyModifyHint = dynamic_cast<const sw::LegacyModifyHint*>(&rHint))
{
const sal_uInt16 nWhich = pLegacyModifyHint->m_pOld ? pLegacyModifyHint->m_pOld->Which() : pLegacyModifyHint->m_pNew ? pLegacyModifyHint->m_pNew->Which() : 0;
const SwFlyFrame* pFlyFrame = static_cast<const SwFlyFrame*>(GetFrame());
switch(nWhich)
{
// #i73249#
case RES_TITLE_CHANGED:
{
OUString sOldTitle, sNewTitle;
const SwStringMsgPoolItem *pOldItem = dynamic_cast<const SwStringMsgPoolItem*>(pLegacyModifyHint->m_pOld);
if(pOldItem)
sOldTitle = pOldItem->GetString();
const SwStringMsgPoolItem *pNewItem = dynamic_cast<const SwStringMsgPoolItem*>(pLegacyModifyHint->m_pNew);
if(pNewItem)
sNewTitle = pNewItem->GetString();
if(sOldTitle == sNewTitle)
break;
msTitle = sNewTitle;
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::NAME_CHANGED;
aEvent.OldValue <<= sOldTitle;
aEvent.NewValue <<= msTitle;
FireAccessibleEvent( aEvent );
const SwFlyFrameFormat* pFlyFrameFormat = pFlyFrame->GetFormat();
if(!pFlyFrameFormat || !pFlyFrameFormat->GetObjDescription().isEmpty())
break;
[[fallthrough]];
}
case RES_DESCRIPTION_CHANGED:
{
if(pFlyFrame)
{
const OUString sOldDesc(msDesc);
const SwFlyFrameFormat* pFlyFrameFormat = pFlyFrame->GetFormat();
const OUString& rDesc = pFlyFrameFormat->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);
}
}
}
}
}
}
// XInterface
css::uno::Any SAL_CALL
SwAccessibleTextFrame::queryInterface (const css::uno::Type & rType)
{
css::uno::Any aReturn = SwAccessibleContext::queryInterface (rType);
if ( ! aReturn.hasValue())
aReturn = ::cppu::queryInterface (rType,
static_cast< css::accessibility::XAccessibleSelection* >(this)
);
return aReturn;
}
void SAL_CALL
SwAccessibleTextFrame::acquire()
throw ()
{
SwAccessibleContext::acquire ();
}
void SAL_CALL
SwAccessibleTextFrame::release()
throw ()
{
SwAccessibleContext::release ();
}
// XAccessibleSelection
void SAL_CALL SwAccessibleTextFrame::selectAccessibleChild( sal_Int32 )
{
SAL_WARN("sw.a11y", "<SwAccessibleTextFrame::selectAccessibleChild( sal_Int32 )> - missing implementation");
}
sal_Bool SAL_CALL SwAccessibleTextFrame::isAccessibleChildSelected( sal_Int32 nChildIndex )
{
SolarMutexGuard g;
uno::Reference<XAccessible> xAcc = getAccessibleChild( nChildIndex );
uno::Reference<XAccessibleContext> xContext;
if( xAcc.is() )
xContext = xAcc->getAccessibleContext();
if( xContext.is() )
{
if( xContext->getAccessibleRole() == AccessibleRole::PARAGRAPH )
{
uno::Reference< css::accessibility::XAccessibleText >
xText(xAcc, uno::UNO_QUERY);
if( xText.is() )
{
if( xText->getSelectionStart() >= 0 ) return true;
}
}
}
return false;
}
void SAL_CALL SwAccessibleTextFrame::clearAccessibleSelection( )
{
SAL_WARN("sw.a11y", "<SwAccessibleTextFrame::clearAccessibleSelection()> - missing implementation");
}
void SAL_CALL SwAccessibleTextFrame::selectAllAccessibleChildren( )
{
SAL_WARN("sw.a11y", "<SwAccessibleTextFrame::selectAllAccessibleChildren()> - missing implementation");
}
sal_Int32 SAL_CALL SwAccessibleTextFrame::getSelectedAccessibleChildCount()
{
sal_Int32 nCount = 0;
sal_Int32 TotalCount = getAccessibleChildCount();
for( sal_Int32 i = 0; i < TotalCount; i++ )
if( isAccessibleChildSelected(i) ) nCount++;
return nCount;
}
uno::Reference<XAccessible> SAL_CALL SwAccessibleTextFrame::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex )
{
SolarMutexGuard g;
if ( nSelectedChildIndex > getSelectedAccessibleChildCount() )
throw lang::IndexOutOfBoundsException();
sal_Int32 i1, i2;
for( i1 = 0, i2 = 0; i1 < getAccessibleChildCount(); i1++ )
if( isAccessibleChildSelected(i1) )
{
if( i2 == nSelectedChildIndex )
return getAccessibleChild( i1 );
i2++;
}
return uno::Reference<XAccessible>();
}
void SAL_CALL SwAccessibleTextFrame::deselectAccessibleChild( sal_Int32 )
{
SAL_WARN("sw.a11y", "<SwAccessibleTextFrame::selectAllAccessibleChildren( sal_Int32 )> - missing implementation");
}
// #i73249#
OUString SAL_CALL SwAccessibleTextFrame::getAccessibleName()
{
SolarMutexGuard aGuard;
ThrowIfDisposed();
if ( !msTitle.isEmpty() )
{
return msTitle;
}
return SwAccessibleFrameBase::getAccessibleName();
}
OUString SAL_CALL SwAccessibleTextFrame::getAccessibleDescription()
{
SolarMutexGuard aGuard;
ThrowIfDisposed();
return msDesc;
}
OUString SAL_CALL SwAccessibleTextFrame::getImplementationName()
{
return "com.sun.star.comp.Writer.SwAccessibleTextFrameView";
}
sal_Bool SAL_CALL SwAccessibleTextFrame::supportsService(const OUString& sTestServiceName)
{
return cppu::supportsService(this, sTestServiceName);
}
uno::Sequence< OUString > SAL_CALL SwAccessibleTextFrame::getSupportedServiceNames()
{
return { "com.sun.star.text.AccessibleTextFrameView", sAccessibleServiceName };
}
uno::Sequence< sal_Int8 > SAL_CALL SwAccessibleTextFrame::getImplementationId()
{
return css::uno::Sequence<sal_Int8>();
}
// XAccessibleRelationSet
SwFlyFrame* SwAccessibleTextFrame::getFlyFrame() const
{
SwFlyFrame* pFlyFrame = nullptr;
const SwFrame* pFrame = GetFrame();
assert(pFrame);
if( pFrame->IsFlyFrame() )
{
pFlyFrame = static_cast<SwFlyFrame*>( const_cast<SwFrame*>( pFrame ) );
}
return pFlyFrame;
}
AccessibleRelation SwAccessibleTextFrame::makeRelation( sal_Int16 nType, const SwFlyFrame* pFrame )
{
uno::Sequence<uno::Reference<XInterface> > aSequence { GetMap()->GetContext( pFrame ) };
return AccessibleRelation( nType, aSequence );
}
uno::Reference<XAccessibleRelationSet> SAL_CALL SwAccessibleTextFrame::getAccessibleRelationSet( )
{
SolarMutexGuard aGuard;
ThrowIfDisposed();
// get the frame, and insert prev/next relations into helper
AccessibleRelationSetHelper* pHelper = new AccessibleRelationSetHelper();
SwFlyFrame* pFlyFrame = getFlyFrame();
assert(pFlyFrame);
const SwFlyFrame* pPrevFrame = pFlyFrame->GetPrevLink();
if( pPrevFrame != nullptr )
pHelper->AddRelation( makeRelation(
AccessibleRelationType::CONTENT_FLOWS_FROM, pPrevFrame ) );
const SwFlyFrame* pNextFrame = pFlyFrame->GetNextLink();
if( pNextFrame != nullptr )
pHelper->AddRelation( makeRelation(
AccessibleRelationType::CONTENT_FLOWS_TO, pNextFrame ) );
return pHelper;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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