ccae176606
Change-Id: Ia78310bd85c9a582245074bd46154516a1f21c86 Reviewed-on: https://gerrit.libreoffice.org/57826 Tested-by: Jenkins Reviewed-by: Jens Carl <j.carl43@gmx.de>
389 lines
12 KiB
C++
389 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/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 <osl/mutex.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/window.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 <fmtcntnt.hxx>
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#include <ndindex.hxx>
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#include <fesh.hxx>
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#include <hints.hxx>
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#include <accmap.hxx>
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#include "accframebase.hxx"
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#include <crsrsh.hxx>
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#include <txtfrm.hxx>
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#include <notxtfrm.hxx>
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#include <ndtxt.hxx>
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#include <dcontact.hxx>
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#include <fmtanchr.hxx>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::accessibility;
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bool SwAccessibleFrameBase::IsSelected()
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{
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bool bRet = false;
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assert(GetMap());
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const SwViewShell *pVSh = GetMap()->GetShell();
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assert(pVSh);
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if( auto pFESh = dynamic_cast<const SwFEShell*>(pVSh) )
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{
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const SwFrame *pFlyFrame = pFESh->GetSelectedFlyFrame();
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if( pFlyFrame == GetFrame() )
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bRet = true;
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}
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return bRet;
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}
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void SwAccessibleFrameBase::GetStates(
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::utl::AccessibleStateSetHelper& rStateSet )
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{
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SwAccessibleContext::GetStates( rStateSet );
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const SwViewShell *pVSh = GetMap()->GetShell();
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assert(pVSh);
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bool bSelectable = dynamic_cast<const SwFEShell*>( pVSh) != nullptr;
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// SELECTABLE
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if( bSelectable )
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rStateSet.AddState( AccessibleStateType::SELECTABLE );
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// FOCUSABLE
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if( bSelectable )
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rStateSet.AddState( AccessibleStateType::FOCUSABLE );
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// SELECTED and FOCUSED
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if( IsSelected() )
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{
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rStateSet.AddState( AccessibleStateType::SELECTED );
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assert(m_bIsSelected && "bSelected out of sync");
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::rtl::Reference < SwAccessibleContext > xThis( this );
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GetMap()->SetCursorContext( xThis );
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vcl::Window *pWin = GetWindow();
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if( pWin && pWin->HasFocus() )
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rStateSet.AddState( AccessibleStateType::FOCUSED );
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}
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if( GetSelectedState() )
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rStateSet.AddState( AccessibleStateType::SELECTED );
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}
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SwNodeType SwAccessibleFrameBase::GetNodeType( const SwFlyFrame *pFlyFrame )
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{
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SwNodeType nType = SwNodeType::Text;
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if( pFlyFrame->Lower() )
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{
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if( pFlyFrame->Lower()->IsNoTextFrame() )
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{
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const SwNoTextFrame *const pContentFrame =
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static_cast<const SwNoTextFrame *>(pFlyFrame->Lower());
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nType = pContentFrame->GetNode()->GetNodeType();
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}
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}
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else
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{
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const SwFrameFormat *pFrameFormat = pFlyFrame->GetFormat();
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const SwFormatContent& rContent = pFrameFormat->GetContent();
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const SwNodeIndex *pNdIdx = rContent.GetContentIdx();
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if( pNdIdx )
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{
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const SwContentNode *pCNd =
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(pNdIdx->GetNodes())[pNdIdx->GetIndex()+1]->GetContentNode();
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if( pCNd )
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nType = pCNd->GetNodeType();
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}
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}
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return nType;
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}
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SwAccessibleFrameBase::SwAccessibleFrameBase(
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std::shared_ptr<SwAccessibleMap> const& pInitMap,
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sal_Int16 nInitRole,
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const SwFlyFrame* pFlyFrame ) :
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SwAccessibleContext( pInitMap, nInitRole, pFlyFrame ),
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m_bIsSelected( false )
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{
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const SwFrameFormat *pFrameFormat = pFlyFrame->GetFormat();
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const_cast< SwFrameFormat * >( pFrameFormat )->Add( this );
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SetName( pFrameFormat->GetName() );
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m_bIsSelected = IsSelected();
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}
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void SwAccessibleFrameBase::InvalidateCursorPos_()
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{
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bool bNewSelected = IsSelected();
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bool bOldSelected;
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{
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osl::MutexGuard aGuard( m_Mutex );
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bOldSelected = m_bIsSelected;
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m_bIsSelected = bNewSelected;
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}
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if( bNewSelected )
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{
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// remember that object as the one that has the caret. This is
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// necessary to notify that object if the cursor leaves it.
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::rtl::Reference < SwAccessibleContext > xThis( this );
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GetMap()->SetCursorContext( xThis );
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}
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if( bOldSelected != bNewSelected )
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{
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vcl::Window *pWin = GetWindow();
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if( pWin && pWin->HasFocus() && bNewSelected )
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FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
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if( pWin && pWin->HasFocus() && !bNewSelected )
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FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
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if(bNewSelected)
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{
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uno::Reference< XAccessible > xParent( GetWeakParent() );
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if( xParent.is() )
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{
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SwAccessibleContext *pAcc =
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static_cast <SwAccessibleContext *>( xParent.get() );
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AccessibleEventObject aEvent;
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aEvent.EventId = AccessibleEventId::SELECTION_CHANGED;
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uno::Reference< XAccessible > xChild(this);
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aEvent.NewValue <<= xChild;
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pAcc->FireAccessibleEvent( aEvent );
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}
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}
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}
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}
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void SwAccessibleFrameBase::InvalidateFocus_()
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{
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vcl::Window *pWin = GetWindow();
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if( pWin )
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{
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bool bSelected;
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{
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osl::MutexGuard aGuard( m_Mutex );
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bSelected = m_bIsSelected;
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}
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assert(bSelected && "focus object should be selected");
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FireStateChangedEvent( AccessibleStateType::FOCUSED,
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pWin->HasFocus() && bSelected );
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}
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}
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bool SwAccessibleFrameBase::HasCursor()
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{
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osl::MutexGuard aGuard( m_Mutex );
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return m_bIsSelected;
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}
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SwAccessibleFrameBase::~SwAccessibleFrameBase()
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{
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}
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void SwAccessibleFrameBase::Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew)
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{
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sal_uInt16 nWhich = pOld ? pOld->Which() : pNew ? pNew->Which() : 0 ;
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switch( nWhich )
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{
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case RES_NAME_CHANGED:
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{
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const SwFlyFrame *pFlyFrame = static_cast< const SwFlyFrame * >( GetFrame() );
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if( pFlyFrame )
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{
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const SwFrameFormat *pFrameFormat = pFlyFrame->GetFormat();
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assert(pFrameFormat == GetRegisteredIn() && "invalid frame");
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const OUString sOldName( GetName() );
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assert( !pOld ||
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static_cast<const SwStringMsgPoolItem *>(pOld)->GetString() == GetName());
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SetName( pFrameFormat->GetName() );
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assert( !pNew ||
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static_cast<const SwStringMsgPoolItem *>(pNew)->GetString() == GetName());
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if( sOldName != GetName() )
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{
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AccessibleEventObject aEvent;
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aEvent.EventId = AccessibleEventId::NAME_CHANGED;
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aEvent.OldValue <<= sOldName;
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aEvent.NewValue <<= GetName();
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FireAccessibleEvent( aEvent );
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}
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}
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break;
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}
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case RES_OBJECTDYING:
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// mba: it seems that this class intentionally does not call code in base class SwClient
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if( pOld && ( GetRegisteredIn() == static_cast< SwModify *>( static_cast< const SwPtrMsgPoolItem * >( pOld )->pObject ) ) )
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EndListeningAll();
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break;
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case RES_FMT_CHG:
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if( pOld &&
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static_cast< const SwFormatChg * >(pNew)->pChangedFormat == GetRegisteredIn() &&
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static_cast< const SwFormatChg * >(pOld)->pChangedFormat->IsFormatInDTOR() )
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EndListeningAll();
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break;
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default:
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// mba: former call to base class method removed as it is meant to handle only RES_OBJECTDYING
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break;
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}
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}
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void SwAccessibleFrameBase::Dispose(bool bRecursive, bool bCanSkipInvisible)
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{
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SolarMutexGuard aGuard;
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EndListeningAll();
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SwAccessibleContext::Dispose(bRecursive, bCanSkipInvisible);
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}
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//Get the selection cursor of the document.
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SwPaM* SwAccessibleFrameBase::GetCursor()
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{
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// get the cursor shell; if we don't have any, we don't have a
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// cursor/selection either
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SwPaM* pCursor = nullptr;
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SwCursorShell* pCursorShell = GetCursorShell();
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if( pCursorShell != nullptr && !pCursorShell->IsTableMode() )
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{
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SwFEShell *pFESh = dynamic_cast<const SwFEShell*>( pCursorShell) != nullptr
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? static_cast< SwFEShell * >( pCursorShell ) : nullptr;
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if( !pFESh ||
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!(pFESh->IsFrameSelected() || pFESh->IsObjSelected() > 0) )
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{
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// get the selection, and test whether it affects our text node
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pCursor = pCursorShell->GetCursor( false /* ??? */ );
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}
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}
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return pCursor;
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}
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//Return the selected state of the object.
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//when the object's anchor are in the selection cursor, we should return true.
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bool SwAccessibleFrameBase::GetSelectedState( )
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{
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SolarMutexGuard aGuard;
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if(GetMap()->IsDocumentSelAll())
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{
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return true;
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}
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// SELECTED.
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SwFlyFrame* pFlyFrame = getFlyFrame();
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const SwFrameFormat *pFrameFormat = pFlyFrame->GetFormat();
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const SwFormatAnchor& rAnchor = pFrameFormat->GetAnchor();
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const SwPosition *pPos = rAnchor.GetContentAnchor();
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if( !pPos )
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return false;
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int nIndex = pPos->nContent.GetIndex();
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if( pPos->nNode.GetNode().GetTextNode() )
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{
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SwPaM* pCursor = GetCursor();
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if( pCursor != nullptr )
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{
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const SwTextNode* pNode = pPos->nNode.GetNode().GetTextNode();
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sal_uLong nHere = pNode->GetIndex();
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// iterate over ring
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SwPaM* pRingStart = pCursor;
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do
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{
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// ignore, if no mark
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if( pCursor->HasMark() )
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{
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// check whether nHere is 'inside' pCursor
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SwPosition* pStart = pCursor->Start();
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sal_uLong nStartIndex = pStart->nNode.GetIndex();
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SwPosition* pEnd = pCursor->End();
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sal_uLong nEndIndex = pEnd->nNode.GetIndex();
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if( ( nHere >= nStartIndex ) && (nHere <= nEndIndex) )
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{
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if( rAnchor.GetAnchorId() == RndStdIds::FLY_AS_CHAR )
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{
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if( ((nHere == nStartIndex) && (nIndex >= pStart->nContent.GetIndex())) || (nHere > nStartIndex) )
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if( ((nHere == nEndIndex) && (nIndex < pEnd->nContent.GetIndex())) || (nHere < nEndIndex) )
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return true;
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}
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else if( rAnchor.GetAnchorId() == RndStdIds::FLY_AT_PARA )
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{
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if( ((nHere > nStartIndex) || pStart->nContent.GetIndex() ==0 )
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&& (nHere < nEndIndex ) )
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return true;
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}
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break;
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}
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// else: this PaM doesn't point to this paragraph
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}
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// else: this PaM is collapsed and doesn't select anything
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// next PaM in ring
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pCursor = pCursor->GetNext();
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}
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while( pCursor != pRingStart );
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}
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}
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return false;
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}
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SwFlyFrame* SwAccessibleFrameBase::getFlyFrame() const
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{
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SwFlyFrame* pFlyFrame = nullptr;
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const SwFrame* pFrame = GetFrame();
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assert(pFrame);
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if( pFrame->IsFlyFrame() )
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{
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pFlyFrame = static_cast<SwFlyFrame*>( const_cast<SwFrame*>( pFrame ) );
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}
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return pFlyFrame;
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}
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bool SwAccessibleFrameBase::SetSelectedState( bool )
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{
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bool bParaSelected = GetSelectedState() || IsSelected();
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if (m_isSelectedInDoc != bParaSelected)
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{
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m_isSelectedInDoc = bParaSelected;
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FireStateChangedEvent( AccessibleStateType::SELECTED, bParaSelected );
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return true;
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}
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return false;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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