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Diffstat (limited to 'sd/source/ui/accessibility/AccessibleOutlineEditSource.cxx')
| -rw-r--r-- | sd/source/ui/accessibility/AccessibleOutlineEditSource.cxx | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/sd/source/ui/accessibility/AccessibleOutlineEditSource.cxx b/sd/source/ui/accessibility/AccessibleOutlineEditSource.cxx new file mode 100644 index 000000000..a1a79a678 --- /dev/null +++ b/sd/source/ui/accessibility/AccessibleOutlineEditSource.cxx @@ -0,0 +1,199 @@ +/* -*- 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 <memory> +#include <editeng/unoedhlp.hxx> +#include <svx/svdoutl.hxx> +#include <svx/svdview.hxx> +#include <vcl/window.hxx> +#include <AccessibleOutlineEditSource.hxx> + +namespace accessibility +{ + + AccessibleOutlineEditSource::AccessibleOutlineEditSource( + SdrOutliner& rOutliner, + SdrView& rView, + OutlinerView& rOutlView, + const vcl::Window& rViewWindow ) + : mrView( rView ), + mrWindow( rViewWindow ), + mpOutliner( &rOutliner ), + mpOutlinerView( &rOutlView ), + mTextForwarder( rOutliner, false ), + mViewForwarder( rOutlView ) + { + // register as listener - need to broadcast state change messages + // Moved to ::GetTextForwarder() + //rOutliner.SetNotifyHdl( LINK(this, AccessibleOutlineEditSource, NotifyHdl) ); + StartListening(rOutliner); + } + + AccessibleOutlineEditSource::~AccessibleOutlineEditSource() + { + if( mpOutliner ) + mpOutliner->SetNotifyHdl( Link<EENotify&,void>() ); + Broadcast( TextHint( SfxHintId::Dying ) ); + } + + std::unique_ptr<SvxEditSource> AccessibleOutlineEditSource::Clone() const + { + return std::unique_ptr<SvxEditSource>(new AccessibleOutlineEditSource(*mpOutliner, mrView, *mpOutlinerView, mrWindow)); + } + + SvxTextForwarder* AccessibleOutlineEditSource::GetTextForwarder() + { + // TODO: maybe suboptimal + if( IsValid() ) + { + // Moved here to make sure that + // the NotifyHandler was set on the current object. + mpOutliner->SetNotifyHdl( LINK(this, AccessibleOutlineEditSource, NotifyHdl) ); + return &mTextForwarder; + } + else + return nullptr; + } + + SvxViewForwarder* AccessibleOutlineEditSource::GetViewForwarder() + { + // TODO: maybe suboptimal + if( IsValid() ) + return this; + else + return nullptr; + } + + SvxEditViewForwarder* AccessibleOutlineEditSource::GetEditViewForwarder( bool ) + { + // TODO: maybe suboptimal + if( IsValid() ) + { + // ignore parameter, we're always in edit mode here + return &mViewForwarder; + } + else + return nullptr; + } + + void AccessibleOutlineEditSource::UpdateData() + { + // NOOP, since we're always working on the 'real' outliner, + // i.e. changes are immediately reflected on the screen + } + + SfxBroadcaster& AccessibleOutlineEditSource::GetBroadcaster() const + { + return * const_cast< AccessibleOutlineEditSource* > (this); + } + + bool AccessibleOutlineEditSource::IsValid() const + { + if( mpOutliner && mpOutlinerView ) + { + // Our view still on outliner? + sal_uLong nCurrView, nViews; + + for( nCurrView=0, nViews=mpOutliner->GetViewCount(); nCurrView<nViews; ++nCurrView ) + { + if( mpOutliner->GetView(nCurrView) == mpOutlinerView ) + return true; + } + } + + return false; + } + + Point AccessibleOutlineEditSource::LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const + { + if( IsValid() && mrView.GetModel() ) + { + Point aPoint( OutputDevice::LogicToLogic( rPoint, rMapMode, + MapMode(mrView.GetModel()->GetScaleUnit()) ) ); + MapMode aMapMode(mrWindow.GetMapMode()); + aMapMode.SetOrigin(Point()); + return mrWindow.LogicToPixel( aPoint, aMapMode ); + } + + return Point(); + } + + Point AccessibleOutlineEditSource::PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const + { + if( IsValid() && mrView.GetModel() ) + { + MapMode aMapMode(mrWindow.GetMapMode()); + aMapMode.SetOrigin(Point()); + Point aPoint( mrWindow.PixelToLogic( rPoint, aMapMode ) ); + return OutputDevice::LogicToLogic( aPoint, + MapMode(mrView.GetModel()->GetScaleUnit()), + rMapMode ); + } + + return Point(); + } + + void AccessibleOutlineEditSource::Notify( SfxBroadcaster& rBroadcaster, const SfxHint& rHint ) + { + bool bDispose = false; + + if( &rBroadcaster == mpOutliner ) + { + if( rHint.GetId() == SfxHintId::Dying ) + { + bDispose = true; + mpOutliner = nullptr; + } + } + else + { + if (rHint.GetId() == SfxHintId::ThisIsAnSdrHint) + { + const SdrHint* pSdrHint = static_cast< const SdrHint* >( &rHint ); + if( pSdrHint->GetKind() == SdrHintKind::ModelCleared ) + { + // model is dying under us, going defunc + bDispose = true; + } + } + } + + if( bDispose ) + { + if( mpOutliner ) + mpOutliner->SetNotifyHdl( Link<EENotify&,void>() ); + mpOutliner = nullptr; + mpOutlinerView = nullptr; + Broadcast( TextHint( SfxHintId::Dying ) ); + } + } + + IMPL_LINK(AccessibleOutlineEditSource, NotifyHdl, EENotify&, rNotify, void) + { + ::std::unique_ptr< SfxHint > aHint( SvxEditSourceHelper::EENotification2Hint( &rNotify) ); + + if (aHint) + { + Broadcast(*aHint); + } + } + +} // end of namespace accessibility + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |