Files
libreoffice/sw/source/core/access/accnotextframe.cxx
Michael Stahl 8552bd76dc sw: add some more obviously missing mutex guards
... to methods added in 76c549eb01

Change-Id: I32101ec882420babb394af6db5cd56d1035acf4a
2013-12-13 23:39:41 +01:00

395 lines
14 KiB
C++

/* -*- 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 <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>
#include "accnotextframe.hxx"
#include <fmturl.hxx>
#include <accnotexthyperlink.hxx>
#include <svtools/imap.hxx>
#include <unotools/accessiblerelationsethelper.hxx>
#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
#include <doc.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using utl::AccessibleRelationSetHelper;
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() );
const SwCntntNode* pSwCntntNode = pCntFrm->GetNode();
if(pSwCntntNode != NULL)
{
pNd = pSwCntntNode->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.isEmpty() &&
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.isEmpty() )
{
SwAccessibleFrameBase::Modify( pOld, pNew );
if (!GetRegisteredIn())
return; // probably was deleted - avoid doing anything
}
const SwNoTxtNode *pNd = GetNoTxtNode();
OSL_ENSURE( pNd == aDepend.GetRegisteredIn(), "invalid frame" );
switch( nWhich )
{
// #i73249#
case RES_TITLE_CHANGED:
{
const OUString& sOldTitle(
dynamic_cast<const SwStringMsgPoolItem*>(pOld)->GetString() );
const OUString& sNewTitle(
dynamic_cast<const SwStringMsgPoolItem*>(pNew)->GetString() );
if ( sOldTitle == sNewTitle )
{
break;
}
msTitle = sNewTitle;
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::NAME_CHANGED;
aEvent.OldValue <<= sOldTitle;
aEvent.NewValue <<= msTitle;
FireAccessibleEvent( aEvent );
if ( !pNd->GetDescription().isEmpty() )
{
break;
}
}
// intentional no break here
case RES_DESCRIPTION_CHANGED:
{
if ( pNd && GetFrm() )
{
const OUString sOldDesc( msDesc );
const OUString& rDesc = pNd->GetDescription();
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;
}
}
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.isEmpty() )
{
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 if ( aType == ::getCppuType((uno::Reference<XAccessibleHypertext> *)0) )
{
uno::Reference<XAccessibleHypertext> aAccHypertext = this;
uno::Any aAny;
aAny <<= aAccHypertext;
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 relevant 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;
}
//===== XAccesibleText ==================================================
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getCaretPosition( ) throw (::com::sun::star::uno::RuntimeException){return 0;}
sal_Bool SAL_CALL SwAccessibleNoTextFrame::setCaretPosition( sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return 0;}
sal_Unicode SAL_CALL SwAccessibleNoTextFrame::getCharacter( sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return 0;}
::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)
{
uno::Sequence<beans::PropertyValue> aValues(0);
return aValues;
}
::com::sun::star::awt::Rectangle SAL_CALL SwAccessibleNoTextFrame::getCharacterBounds( sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
{
return com::sun::star::awt::Rectangle(0, 0, 0, 0 );
}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getCharacterCount( ) throw (::com::sun::star::uno::RuntimeException){return 0;}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getIndexAtPoint( const ::com::sun::star::awt::Point& ) throw (::com::sun::star::uno::RuntimeException){return 0;}
OUString SAL_CALL SwAccessibleNoTextFrame::getSelectedText( ) throw (::com::sun::star::uno::RuntimeException){return OUString();}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getSelectionStart( ) throw (::com::sun::star::uno::RuntimeException){return 0;}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getSelectionEnd( ) throw (::com::sun::star::uno::RuntimeException){return 0;}
sal_Bool SAL_CALL SwAccessibleNoTextFrame::setSelection( sal_Int32 , sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return sal_True;}
OUString SAL_CALL SwAccessibleNoTextFrame::getText( ) throw (::com::sun::star::uno::RuntimeException){return OUString();}
OUString SAL_CALL SwAccessibleNoTextFrame::getTextRange( sal_Int32 , sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return OUString();}
::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)
{
::com::sun::star::accessibility::TextSegment aResult;
return aResult;
}
::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)
{
::com::sun::star::accessibility::TextSegment aResult;
return aResult;
}
::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)
{
::com::sun::star::accessibility::TextSegment aResult;
return aResult;
}
sal_Bool SAL_CALL SwAccessibleNoTextFrame::copyText( sal_Int32, sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException){return sal_True;}
//
// XAccessibleHyperText
//
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getHyperLinkCount()
throw (uno::RuntimeException)
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleHypertext );
sal_Int32 nCount = 0;
SwFmtURL aURL( ((SwLayoutFrm*)GetFrm())->GetFmt()->GetURL() );
if(aURL.GetMap() || !aURL.GetURL().isEmpty())
nCount = 1;
return nCount;
}
uno::Reference< XAccessibleHyperlink > SAL_CALL
SwAccessibleNoTextFrame::getHyperLink( sal_Int32 nLinkIndex )
throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleHypertext );
uno::Reference< XAccessibleHyperlink > xRet;
SwFmtURL aURL( ((SwLayoutFrm*)GetFrm())->GetFmt()->GetURL() );
if( nLinkIndex > 0 )
throw lang::IndexOutOfBoundsException();
if( aURL.GetMap() || !aURL.GetURL().isEmpty() )
{
if ( !alink.is() )
{
alink = new SwAccessibleNoTextHyperlink( this, GetFrm() );
}
return alink;
}
return NULL;
}
sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getHyperLinkIndex( sal_Int32 )
throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleHypertext );
sal_Int32 nRet = 0;
return nRet;
}
AccessibleRelation SwAccessibleNoTextFrame::makeRelation( sal_Int16 nType, const SwFlyFrm* pFrm )
{
SolarMutexGuard g;
uno::Sequence<uno::Reference<XInterface> > aSequence(1);
aSequence[0] = GetMap()->GetContext( pFrm );
return AccessibleRelation( nType, aSequence );
}
uno::Reference<XAccessibleRelationSet> SAL_CALL SwAccessibleNoTextFrame::getAccessibleRelationSet( )
throw ( uno::RuntimeException )
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleContext );
// get the caption frame, and insert label relations into helper
AccessibleRelationSetHelper* pHelper = new AccessibleRelationSetHelper();
SwFlyFrm* pFlyFrm = getFlyFrm();
DBG_ASSERT( pFlyFrm != NULL, "fly frame expected" );
SwFlyFrm* pCaptionFrm = NULL;
const SwFrmFmt* pFrm = pFlyFrm ->GetFmt()->GetCaptionFmt();
if (pFrm)
{
SwClientIter aIter (*(SwModify*)pFrm);
pCaptionFrm = (SwFlyFrm*)aIter.First( TYPE ( SwFlyFrm ));
}
if(pCaptionFrm!=NULL)
{
pHelper->AddRelation( makeRelation( AccessibleRelationType::DESCRIBED_BY, pCaptionFrm ) );
}
return pHelper;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */