/* -*- 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/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <vcl/svapp.hxx>
#include <vcl/window.hxx>
#include <frmfmt.hxx>
#include <flyfrm.hxx>
#include <fmtcntnt.hxx>
#include <ndindex.hxx>
#include <fesh.hxx>
#include <hints.hxx>
#include <accmap.hxx>
#include "accframebase.hxx"
#include <crsrsh.hxx>
#include <notxtfrm.hxx>
#include <ndtxt.hxx>
#include <undobj.hxx>
#include <fmtanchr.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
bool SwAccessibleFrameBase::IsSelected()
{
bool bRet = false ;
assert(GetMap());
const SwViewShell& rVSh = GetMap()->GetShell();
if (auto pFESh = dynamic_cast <const SwFEShell*>(&rVSh))
{
const SwFrame *pFlyFrame = pFESh->GetSelectedFlyFrame();
if ( pFlyFrame == GetFrame() )
bRet = true ;
}
return bRet;
}
void SwAccessibleFrameBase::GetStates( sal_Int64& rStateSet )
{
SwAccessibleContext::GetStates( rStateSet );
const SwViewShell& rVSh = GetMap()->GetShell();
if (dynamic_cast <const SwFEShell*>(&rVSh))
{
// SELECTABLE
rStateSet |= AccessibleStateType::SELECTABLE;
// FOCUSABLE
rStateSet |= AccessibleStateType::FOCUSABLE;
}
// SELECTED and FOCUSED
if ( IsSelected() )
{
rStateSet |= AccessibleStateType::SELECTED;
SAL_WARN_IF(!m_bIsSelected, "sw.a11y" , "bSelected out of sync" );
::rtl::Reference < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
vcl::Window *pWin = GetWindow();
if ( pWin && pWin->HasFocus() )
rStateSet |= AccessibleStateType::FOCUSED;
}
if ( GetSelectedState() )
rStateSet |= AccessibleStateType::SELECTED;
}
SwNodeType SwAccessibleFrameBase::GetNodeType( const SwFlyFrame *pFlyFrame )
{
SwNodeType nType = SwNodeType::Text;
const SwFrame* pLower = pFlyFrame->Lower();
if ( pLower )
{
if ( pLower->IsNoTextFrame() )
{
const SwNoTextFrame *const pContentFrame =
static_cast <const SwNoTextFrame *>(pLower);
nType = pContentFrame->GetNode()->GetNodeType();
}
}
else
{
const SwFrameFormat *pFrameFormat = pFlyFrame->GetFormat();
const SwFormatContent& rContent = pFrameFormat->GetContent();
const SwNodeIndex *pNdIdx = rContent.GetContentIdx();
if ( pNdIdx )
{
const SwContentNode *pCNd =
(pNdIdx->GetNodes())[pNdIdx->GetIndex()+1 ]->GetContentNode();
if ( pCNd )
nType = pCNd->GetNodeType();
}
}
return nType;
}
SwAccessibleFrameBase::SwAccessibleFrameBase(
std::shared_ptr<SwAccessibleMap> const & pInitMap,
sal_Int16 nInitRole,
const SwFlyFrame* pFlyFrame ) :
SwAccessibleContext( pInitMap, nInitRole, pFlyFrame ),
m_bIsSelected( false )
{
const SwFrameFormat* pFrameFormat = pFlyFrame->GetFormat();
StartListening(const_cast <SwFrameFormat*>(pFrameFormat)->GetNotifier());
SetName( pFrameFormat->GetName().toString() );
m_bIsSelected = IsSelected();
}
void SwAccessibleFrameBase::InvalidateCursorPos_()
{
bool bNewSelected = IsSelected();
bool bOldSelected;
{
std::scoped_lock aGuard( m_Mutex );
bOldSelected = m_bIsSelected;
m_bIsSelected = bNewSelected;
}
if ( bNewSelected )
{
// remember that object as the one that has the caret. This is
// necessary to notify that object if the cursor leaves it.
::rtl::Reference < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
if ( bOldSelected == bNewSelected )
return ;
vcl::Window *pWin = GetWindow();
if ( pWin && pWin->HasFocus() && bNewSelected )
FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
if ( pWin && pWin->HasFocus() && !bNewSelected )
FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
if (!bNewSelected)
return ;
rtl::Reference<SwAccessibleContext> xParent(GetWeakParent());
if ( xParent.is() )
{
uno::Reference< XAccessible > xChild(this );
xParent->FireAccessibleEvent(AccessibleEventId::SELECTION_CHANGED, uno::Any(),
uno::Any(xChild));
}
}
void SwAccessibleFrameBase::InvalidateFocus_()
{
vcl::Window *pWin = GetWindow();
if ( !pWin )
return ;
bool bSelected;
{
std::scoped_lock aGuard( m_Mutex );
bSelected = m_bIsSelected;
}
assert(bSelected && "focus object should be selected" );
FireStateChangedEvent( AccessibleStateType::FOCUSED,
pWin->HasFocus() && bSelected );
}
bool SwAccessibleFrameBase::HasCursor()
{
std::scoped_lock aGuard( m_Mutex );
return m_bIsSelected;
}
SwAccessibleFrameBase::~SwAccessibleFrameBase()
{
}
void SwAccessibleFrameBase::Notify(const SfxHint& rHint)
{
const SwFlyFrame* pFlyFrame = static_cast <const SwFlyFrame*>(GetFrame());
if (rHint.GetId() == SfxHintId::Dying)
{
EndListeningAll();
}
else if (rHint.GetId() == SfxHintId::SwNameChanged && pFlyFrame)
{
auto rNameChanged = static_cast <const sw::NameChanged&>(rHint);
const SwFrameFormat* pFrameFormat = pFlyFrame->GetFormat();
const OUString sOldName( GetName() );
assert( rNameChanged.m_sOld == sOldName);
SetName( pFrameFormat->GetName().toString() );
assert( rNameChanged.m_sNew == GetName());
if ( sOldName != GetName() )
{
FireAccessibleEvent(AccessibleEventId::NAME_CHANGED, uno::Any(sOldName),
uno::Any(GetName()));
}
}
}
void SwAccessibleFrameBase::Dispose(bool bRecursive, bool bCanSkipInvisible)
{
SolarMutexGuard aGuard;
EndListeningAll();
SwAccessibleContext::Dispose(bRecursive, bCanSkipInvisible);
}
//Get the selection cursor of the document.
SwPaM* SwAccessibleFrameBase::GetCursor()
{
// get the cursor shell; if we don't have any, we don't have a
// cursor/selection either
SwPaM* pCursor = nullptr;
SwCursorShell* pCursorShell = GetCursorShell();
if ( pCursorShell != nullptr && !pCursorShell->IsTableMode() )
{
SwFEShell *pFESh = dynamic_cast <SwFEShell*>( pCursorShell);
if ( !pFESh ||
!(pFESh->IsFrameSelected() || pFESh->GetSelectedObjCount() > 0 ) )
{
// get the selection, and test whether it affects our text node
pCursor = pCursorShell->GetCursor( false /* ??? */ );
}
}
return pCursor;
}
//Return the selected state of the object.
//when the object's anchor are in the selection cursor, we should return true.
bool SwAccessibleFrameBase::GetSelectedState( )
{
SolarMutexGuard aGuard;
if (GetMap()->IsDocumentSelAll())
{
return true ;
}
// SELECTED.
SwFlyFrame* pFlyFrame = getFlyFrame();
const SwFrameFormat *pFrameFormat = pFlyFrame->GetFormat();
const SwFormatAnchor& rAnchor = pFrameFormat->GetAnchor();
const SwPosition *pPos = rAnchor.GetContentAnchor();
if ( !pPos )
return false ;
int nIndex = pPos->GetContentIndex();
if ( pPos->GetNode().GetTextNode() )
{
SwPaM* pCursor = GetCursor();
if ( pCursor != nullptr )
{
const SwTextNode* pNode = pPos->GetNode().GetTextNode();
SwNodeOffset nHere = pNode->GetIndex();
// iterate over ring
SwPaM* pRingStart = pCursor;
do
{
// ignore, if no mark
if ( pCursor->HasMark() )
{
// check whether nHere is 'inside' pCursor
SwPosition* pStart = pCursor->Start();
SwNodeOffset nStartIndex = pStart->GetNodeIndex();
SwPosition* pEnd = pCursor->End();
SwNodeOffset nEndIndex = pEnd->GetNodeIndex();
if ( ( nHere >= nStartIndex ) && (nHere <= nEndIndex) )
{
if ( rAnchor.GetAnchorId() == RndStdIds::FLY_AS_CHAR )
{
if ( ((nHere == nStartIndex) && (nIndex >= pStart->GetContentIndex())) || (nHere > nStartIndex) )
if ( ((nHere == nEndIndex) && (nIndex < pEnd->GetContentIndex())) || (nHere < nEndIndex) )
return true ;
}
else if ( rAnchor.GetAnchorId() == RndStdIds::FLY_AT_PARA )
{
if (IsSelectFrameAnchoredAtPara(*pPos, *pStart, *pEnd))
return true ;
}
else if (rAnchor.GetAnchorId() == RndStdIds::FLY_AT_CHAR)
{
if (IsDestroyFrameAnchoredAtChar(*pPos, *pStart, *pEnd))
{
return true ;
}
}
break ;
}
// else: this PaM doesn't point to this paragraph
}
// else: this PaM is collapsed and doesn't select anything
// next PaM in ring
pCursor = pCursor->GetNext();
}
while ( pCursor != pRingStart );
}
}
return false ;
}
SwFlyFrame* SwAccessibleFrameBase::getFlyFrame() const
{
SwFlyFrame* pFlyFrame = nullptr;
const SwFrame* pFrame = GetFrame();
assert(pFrame);
if ( pFrame->IsFlyFrame() )
{
pFlyFrame = static_cast <SwFlyFrame*>( const_cast <SwFrame*>( pFrame ) );
}
return pFlyFrame;
}
bool SwAccessibleFrameBase::SetSelectedState( bool )
{
bool bParaSelected = GetSelectedState() || IsSelected();
if (m_isSelectedInDoc != bParaSelected)
{
m_isSelectedInDoc = bParaSelected;
FireStateChangedEvent( AccessibleStateType::SELECTED, bParaSelected );
return true ;
}
return false ;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=89 H=96 G=92
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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