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libreoffice/sd/source/ui/accessibility/AccessibleOutlineView.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

238 lines
6.7 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 <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <sal/log.hxx>
#include <vcl/svapp.hxx>
#include <Window.hxx>
#include <OutlineViewShell.hxx>
#include <DrawDocShell.hxx>
#include <OutlineView.hxx>
#include <View.hxx>
#include <AccessibleOutlineView.hxx>
#include <AccessibleOutlineEditSource.hxx>
#include <drawdoc.hxx>
#include <strings.hrc>
#include <sdresid.hxx>
#include <Outliner.hxx>
#include <memory>
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
namespace accessibility {
//===== internal ============================================================
AccessibleOutlineView::AccessibleOutlineView (
::sd::Window* pSdWindow,
::sd::OutlineViewShell* pViewShell,
const uno::Reference<frame::XController>& rxController,
const uno::Reference<XAccessible>& rxParent)
: AccessibleDocumentViewBase (pSdWindow, pViewShell, rxController, rxParent),
maTextHelper( ::std::unique_ptr< SvxEditSource >() )
{
SolarMutexGuard aGuard;
// Beware! Here we leave the paths of the UNO API and descend into the
// depths of the core. Necessary for making the edit engine accessible.
if (!pSdWindow)
return;
::sd::View* pView = pViewShell->GetView();
auto pShellView = dynamic_cast<::sd::OutlineView* >( pView );
if(!pShellView)
return;
OutlinerView* pOutlineView = pShellView->GetViewByWindow( pSdWindow );
SdOutliner& rOutliner = pShellView->GetOutliner();
if( pOutlineView )
{
maTextHelper.SetEditSource( ::std::unique_ptr< SvxEditSource >( new AccessibleOutlineEditSource(
rOutliner, *pView, *pOutlineView, *pSdWindow ) ) );
}
}
AccessibleOutlineView::~AccessibleOutlineView()
{
}
void AccessibleOutlineView::Init()
{
// Set event source _before_ starting to listen
maTextHelper.SetEventSource(this);
AccessibleDocumentViewBase::Init ();
}
void AccessibleOutlineView::ViewForwarderChanged()
{
AccessibleDocumentViewBase::ViewForwarderChanged();
UpdateChildren();
}
//===== XAccessibleContext ==================================================
sal_Int64 SAL_CALL
AccessibleOutlineView::getAccessibleChildCount()
{
ThrowIfDisposed ();
// forward
return maTextHelper.GetChildCount();
}
uno::Reference<XAccessible> SAL_CALL
AccessibleOutlineView::getAccessibleChild (sal_Int64 nIndex)
{
ThrowIfDisposed ();
// Forward request to children manager.
return maTextHelper.GetChild(nIndex);
}
OUString SAL_CALL
AccessibleOutlineView::getAccessibleName()
{
SolarMutexGuard g;
OUString sName = SdResId(SID_SD_A11Y_D_PRESENTATION);
::sd::View* pSdView = static_cast< ::sd::View* >( maShapeTreeInfo.GetSdrView() );
if ( pSdView )
{
SdDrawDocument& rDoc = pSdView->GetDoc();
OUString sFileName = rDoc.getDocAccTitle();
if (sFileName.isEmpty())
{
::sd::DrawDocShell* pDocSh = pSdView->GetDocSh();
if ( pDocSh )
{
sFileName = pDocSh->GetTitle( SFX_TITLE_APINAME );
}
}
if (!sFileName.isEmpty())
{
sName = sFileName + " - " + sName;
}
}
return sName;
}
//===== XAccessibleEventBroadcaster ========================================
void SAL_CALL AccessibleOutlineView::addAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener )
{
// delegate listener handling to children manager.
if ( ! IsDisposed())
maTextHelper.AddEventListener(xListener);
AccessibleContextBase::addEventListener(xListener);
}
void SAL_CALL AccessibleOutlineView::removeAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener )
{
// forward
if ( ! IsDisposed())
maTextHelper.RemoveEventListener(xListener);
AccessibleContextBase::removeEventListener(xListener);
}
// XServiceInfo
OUString SAL_CALL
AccessibleOutlineView::getImplementationName()
{
return u"AccessibleOutlineView"_ustr;
}
//===== XEventListener ======================================================
//===== protected internal ==================================================
void AccessibleOutlineView::Activated()
{
SolarMutexGuard aGuard;
// delegate listener handling to children manager.
maTextHelper.SetFocus();
}
void AccessibleOutlineView::Deactivated()
{
SolarMutexGuard aGuard;
// delegate listener handling to children manager.
maTextHelper.SetFocus(false);
}
void SAL_CALL AccessibleOutlineView::disposing()
{
// dispose children
maTextHelper.Dispose();
AccessibleDocumentViewBase::disposing ();
}
//===== XPropertyChangeListener =============================================
void SAL_CALL
AccessibleOutlineView::propertyChange (const beans::PropertyChangeEvent& rEventObject)
{
ThrowIfDisposed ();
AccessibleDocumentViewBase::propertyChange (rEventObject);
//add page switch event for slide show mode
if (rEventObject.PropertyName == "CurrentPage" ||
rEventObject.PropertyName == "PageChange")
{
// The current page changed. Update the children accordingly.
UpdateChildren();
CommitChange(AccessibleEventId::PAGE_CHANGED,rEventObject.NewValue, rEventObject.OldValue, -1);
}
else if ( rEventObject.PropertyName == "VisibleArea" )
{
// The visible area changed. Update the children accordingly.
UpdateChildren();
}
else
{
SAL_INFO("sd", "unhandled");
}
}
/// Create a name for this view.
OUString AccessibleOutlineView::CreateAccessibleName()
{
return SdResId(SID_SD_A11Y_I_OUTLINEVIEW_N);
}
void AccessibleOutlineView::UpdateChildren()
{
SolarMutexGuard aGuard;
// Update visible children
maTextHelper.UpdateChildren();
}
} // end of namespace accessibility
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */