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/* -*- 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 <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: */
|
