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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 <DrawModelBroadcaster.hxx>
#include <svx/svdmodel.hxx>
#include <svx/unomod.hxx>
#include <svx/svdobj.hxx>
using namespace ::com::sun::star;
ScDrawModelBroadcaster::ScDrawModelBroadcaster( SdrModel *pDrawModel ) :
mpDrawModel( pDrawModel )
{
if (mpDrawModel)
StartListening( *mpDrawModel );
}
ScDrawModelBroadcaster::~ScDrawModelBroadcaster()
{
if (mpDrawModel)
EndListening( *mpDrawModel );
}
void SAL_CALL ScDrawModelBroadcaster::addEventListener( const uno::Reference< document::XEventListener >& xListener )
{
std::unique_lock aGuard(maListenerMutex);
maEventListeners.addInterface( aGuard, xListener );
}
void SAL_CALL ScDrawModelBroadcaster::removeEventListener( const uno::Reference< document::XEventListener >& xListener )
{
std::unique_lock aGuard(maListenerMutex);
maEventListeners.removeInterface( aGuard, xListener );
}
void SAL_CALL ScDrawModelBroadcaster::addShapeEventListener(
const css::uno::Reference< css::drawing::XShape >& xShape,
const uno::Reference< document::XShapeEventListener >& xListener )
{
assert(xShape.is() && "no shape?");
std::scoped_lock aGuard(maListenerMutex);
auto rv = maShapeListeners.emplace(xShape, xListener);
assert(rv.second && "duplicate listener?");
(void)rv;
}
void SAL_CALL ScDrawModelBroadcaster::removeShapeEventListener(
const css::uno::Reference< css::drawing::XShape >& xShape,
const uno::Reference< document::XShapeEventListener >& xListener )
{
std::scoped_lock aGuard(maListenerMutex);
auto it = maShapeListeners.find(xShape);
if (it != maShapeListeners.end())
{
assert(it->second == xListener && "removing wrong listener?");
(void)xListener;
maShapeListeners.erase(it);
}
}
void ScDrawModelBroadcaster::Notify( SfxBroadcaster&,
const SfxHint& rHint )
{
if (rHint.GetId() != SfxHintId::ThisIsAnSdrHint)
return;
const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint);
document::EventObject aEvent;
if( !SvxUnoDrawMSFactory::createEvent( mpDrawModel, pSdrHint, aEvent ) )
return;
std::unique_lock aGuard(maListenerMutex);
maEventListeners.forEach(aGuard,
[&aEvent](const css::uno::Reference<document::XEventListener>& xListener)
{
xListener->notifyEvent(aEvent);
}
);
// right now, we're only handling the specific event necessary to fix this performance problem
if (pSdrHint->GetKind() == SdrHintKind::ObjectChange)
{
auto pSdrObject = const_cast<SdrObject*>(pSdrHint->GetObject());
uno::Reference<drawing::XShape> xShape(pSdrObject->getUnoShape(), uno::UNO_QUERY);
auto it = maShapeListeners.find(xShape);
if (it != maShapeListeners.end())
it->second->notifyShapeEvent(aEvent);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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