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Diffstat (limited to '')
| -rw-r--r-- | sd/source/ui/accessibility/AccessibleOutlineView.cxx | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/sd/source/ui/accessibility/AccessibleOutlineView.cxx b/sd/source/ui/accessibility/AccessibleOutlineView.cxx new file mode 100644 index 000000000..4e020efef --- /dev/null +++ b/sd/source/ui/accessibility/AccessibleOutlineView.cxx @@ -0,0 +1,238 @@ +/* -*- 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 <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 ); + SdrOutliner& 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_Int32 SAL_CALL + AccessibleOutlineView::getAccessibleChildCount() +{ + ThrowIfDisposed (); + + // forward + return maTextHelper.GetChildCount(); +} + +uno::Reference<XAccessible> SAL_CALL + AccessibleOutlineView::getAccessibleChild (sal_Int32 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 "AccessibleOutlineView"; +} + +//===== 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); + } + 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: */ |