374 lines
12 KiB
C++
374 lines
12 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 <com/sun/star/accessibility/XAccessibleContext.hpp>
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#include <comphelper/servicehelper.hxx>
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#include <cppuhelper/supportsservice.hxx>
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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/AccessibleRelation.hpp>
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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 <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 <flyfrm.hxx>
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#include <accmap.hxx>
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#include <unotools/accessiblerelationsethelper.hxx>
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#include <doc.hxx>
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#include <hints.hxx>
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#include "acctextframe.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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using ::com::sun::star::accessibility::XAccessibleContext;
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SwAccessibleTextFrame::SwAccessibleTextFrame(
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SwAccessibleMap* pInitMap,
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const SwFlyFrm* pFlyFrm ) :
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SwAccessibleFrameBase( pInitMap, AccessibleRole::TEXT_FRAME, pFlyFrm ),
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msTitle(),
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msDesc()
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{
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if ( pFlyFrm )
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{
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const SwFlyFrmFmt* pFlyFrmFmt =
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dynamic_cast<const SwFlyFrmFmt*>( pFlyFrm->GetFmt() );
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msTitle = pFlyFrmFmt->GetObjTitle();
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msDesc = pFlyFrmFmt->GetObjDescription();
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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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SwAccessibleTextFrame::~SwAccessibleTextFrame()
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{
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}
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void SwAccessibleTextFrame::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# - suppress handling of RES_NAME_CHANGED
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// in case that attribute Title is 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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}
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const SwFlyFrm *pFlyFrm = static_cast< const SwFlyFrm * >( GetFrm() );
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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 <<= OUString( sOldTitle );
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aEvent.NewValue <<= msTitle;
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FireAccessibleEvent( aEvent );
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const SwFlyFrmFmt* pFlyFrmFmt =
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dynamic_cast<const SwFlyFrmFmt*>( pFlyFrm->GetFmt() );
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if ( !pFlyFrmFmt->GetObjDescription().isEmpty() )
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{
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break;
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}
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}
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// intentionally no break here
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case RES_DESCRIPTION_CHANGED:
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{
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if ( pFlyFrm )
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{
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const OUString sOldDesc( msDesc );
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const SwFlyFrmFmt* pFlyFrmFmt =
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dynamic_cast<const SwFlyFrmFmt*>( pFlyFrm->GetFmt() );
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const OUString& rDesc = pFlyFrmFmt->GetObjDescription();
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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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//===== XInterface ==========================================================
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com::sun::star::uno::Any SAL_CALL
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SwAccessibleTextFrame::queryInterface (const com::sun::star::uno::Type & rType)
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throw (::com::sun::star::uno::RuntimeException)
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{
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::com::sun::star::uno::Any aReturn = SwAccessibleContext::queryInterface (rType);
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if ( ! aReturn.hasValue())
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aReturn = ::cppu::queryInterface (rType,
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static_cast< ::com::sun::star::accessibility::XAccessibleSelection* >(this)
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);
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return aReturn;
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}
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void SAL_CALL
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SwAccessibleTextFrame::acquire (void)
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throw ()
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{
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SwAccessibleContext::acquire ();
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}
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void SAL_CALL
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SwAccessibleTextFrame::release (void)
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throw ()
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{
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SwAccessibleContext::release ();
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}
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//
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//===== XAccessibleSelection ============================================
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//
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//--------------------------------------------------------------------------------
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void SAL_CALL SwAccessibleTextFrame::selectAccessibleChild( sal_Int32 )
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throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
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{
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DBG_ASSERT( false, "<SwAccessibleTextFrame::selectAccessibleChild( sal_Int32 )> - missing implementation" );
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}
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//----------------------------------------------------------------------------------
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sal_Bool SAL_CALL SwAccessibleTextFrame::isAccessibleChildSelected( sal_Int32 nChildIndex )
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throw (lang::IndexOutOfBoundsException, uno::RuntimeException )
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{
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SolarMutexGuard g;
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uno::Reference<XAccessible> xAcc = getAccessibleChild( nChildIndex );
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uno::Reference<XAccessibleContext> xContext;
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if( xAcc.is() )
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xContext = xAcc->getAccessibleContext();
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if( xContext.is() )
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{
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if( xContext->getAccessibleRole() == AccessibleRole::PARAGRAPH )
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{
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uno::Reference< ::com::sun::star::accessibility::XAccessibleText >
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xText(xAcc, uno::UNO_QUERY);
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if( xText.is() )
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{
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if( xText->getSelectionStart() >= 0 ) return sal_True;
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}
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}
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}
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return sal_False;
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}
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//---------------------------------------------------------------------
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void SAL_CALL SwAccessibleTextFrame::clearAccessibleSelection( )
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throw ( uno::RuntimeException )
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{
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DBG_ASSERT( false, "<SwAccessibleTextFrame::clearAccessibleSelection( )> - missing implementation" );
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}
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//-------------------------------------------------------------------------
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void SAL_CALL SwAccessibleTextFrame::selectAllAccessibleChildren( )
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throw ( uno::RuntimeException )
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{
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DBG_ASSERT( false, "<SwAccessibleTextFrame::selectAllAccessibleChildren( )> - missing implementation" );
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}
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//----------------------------------------------------------------------------
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sal_Int32 SAL_CALL SwAccessibleTextFrame::getSelectedAccessibleChildCount()
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throw ( uno::RuntimeException )
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{
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sal_Int32 nCount = 0;
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sal_Int32 TotalCount = getAccessibleChildCount();
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for( sal_Int32 i = 0; i < TotalCount; i++ )
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if( isAccessibleChildSelected(i) ) nCount++;
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return nCount;
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}
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//--------------------------------------------------------------------------------------
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uno::Reference<XAccessible> SAL_CALL SwAccessibleTextFrame::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex )
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throw ( lang::IndexOutOfBoundsException, uno::RuntimeException)
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{
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SolarMutexGuard g;
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if ( nSelectedChildIndex > getSelectedAccessibleChildCount() )
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throw lang::IndexOutOfBoundsException();
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sal_Int32 i1, i2;
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for( i1 = 0, i2 = 0; i1 < getAccessibleChildCount(); i1++ )
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if( isAccessibleChildSelected(i1) )
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{
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if( i2 == nSelectedChildIndex )
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return getAccessibleChild( i1 );
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i2++;
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}
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return uno::Reference<XAccessible>();
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}
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//----------------------------------------------------------------------------------
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void SAL_CALL SwAccessibleTextFrame::deselectAccessibleChild( sal_Int32 )
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throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
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{
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DBG_ASSERT( false, "<SwAccessibleTextFrame::selectAllAccessibleChildren( sal_Int32 )> - missing implementation" );
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}
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// #i73249#
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OUString SAL_CALL SwAccessibleTextFrame::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 SwAccessibleTextFrame::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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OUString SAL_CALL SwAccessibleTextFrame::getImplementationName()
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throw( uno::RuntimeException )
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{
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return OUString("com.sun.star.comp.Writer.SwAccessibleTextFrameView");
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}
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sal_Bool SAL_CALL SwAccessibleTextFrame::supportsService(const OUString& sTestServiceName)
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throw (uno::RuntimeException)
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{
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return cppu::supportsService(this, sTestServiceName);
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}
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uno::Sequence< OUString > SAL_CALL SwAccessibleTextFrame::getSupportedServiceNames()
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throw( uno::RuntimeException )
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{
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uno::Sequence< OUString > aRet(2);
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OUString* pArray = aRet.getArray();
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pArray[0] = "com.sun.star.text.AccessibleTextFrameView";
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pArray[1] = OUString( sAccessibleServiceName );
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return aRet;
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}
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namespace
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{
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class theSwAccessibleTextFrameImplementationId : public rtl::Static< UnoTunnelIdInit, theSwAccessibleTextFrameImplementationId > {};
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}
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uno::Sequence< sal_Int8 > SAL_CALL SwAccessibleTextFrame::getImplementationId()
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throw(uno::RuntimeException)
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{
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return theSwAccessibleTextFrameImplementationId::get().getSeq();
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}
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// XAccessibleRelationSet
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SwFlyFrm* SwAccessibleTextFrame::getFlyFrm() const
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{
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SwFlyFrm* pFlyFrm = NULL;
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const SwFrm* pFrm = GetFrm();
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OSL_ENSURE( pFrm != NULL, "frame expected" );
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if( pFrm->IsFlyFrm() )
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{
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pFlyFrm = static_cast<SwFlyFrm*>( const_cast<SwFrm*>( pFrm ) );
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}
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return pFlyFrm;
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}
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AccessibleRelation SwAccessibleTextFrame::makeRelation( sal_Int16 nType, const SwFlyFrm* pFrm )
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{
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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 SwAccessibleTextFrame::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 frame, and insert prev/next relations into helper
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AccessibleRelationSetHelper* pHelper = new AccessibleRelationSetHelper();
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SwFlyFrm* pFlyFrm = getFlyFrm();
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OSL_ENSURE( pFlyFrm != NULL, "fly frame expected" );
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const SwFlyFrm* pPrevFrm = pFlyFrm->GetPrevLink();
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if( pPrevFrm != NULL )
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pHelper->AddRelation( makeRelation(
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AccessibleRelationType::CONTENT_FLOWS_FROM, pPrevFrm ) );
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const SwFlyFrm* pNextFrm = pFlyFrm->GetNextLink();
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if( pNextFrm != NULL )
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pHelper->AddRelation( makeRelation(
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AccessibleRelationType::CONTENT_FLOWS_TO, pNextFrm ) );
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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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