107 lines
3.7 KiB
C++
107 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <DrawModelBroadcaster.hxx>
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#include <svx/svdmodel.hxx>
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#include <svx/unomod.hxx>
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#include <svx/svdobj.hxx>
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using namespace ::com::sun::star;
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ScDrawModelBroadcaster::ScDrawModelBroadcaster( SdrModel *pDrawModel ) :
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mpDrawModel( pDrawModel )
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{
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if (mpDrawModel)
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StartListening( *mpDrawModel );
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}
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ScDrawModelBroadcaster::~ScDrawModelBroadcaster()
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{
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if (mpDrawModel)
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EndListening( *mpDrawModel );
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}
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void SAL_CALL ScDrawModelBroadcaster::addEventListener( const uno::Reference< document::XEventListener >& xListener )
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{
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std::unique_lock aGuard(maListenerMutex);
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maEventListeners.addInterface( aGuard, xListener );
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}
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void SAL_CALL ScDrawModelBroadcaster::removeEventListener( const uno::Reference< document::XEventListener >& xListener )
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{
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std::unique_lock aGuard(maListenerMutex);
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maEventListeners.removeInterface( aGuard, xListener );
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}
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void SAL_CALL ScDrawModelBroadcaster::addShapeEventListener(
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const css::uno::Reference< css::drawing::XShape >& xShape,
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const uno::Reference< document::XShapeEventListener >& xListener )
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{
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assert(xShape.is() && "no shape?");
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std::scoped_lock aGuard(maListenerMutex);
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auto rv = maShapeListeners.emplace(xShape, xListener);
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assert(rv.second && "duplicate listener?");
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(void)rv;
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}
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void SAL_CALL ScDrawModelBroadcaster::removeShapeEventListener(
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const css::uno::Reference< css::drawing::XShape >& xShape,
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const uno::Reference< document::XShapeEventListener >& xListener )
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{
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std::scoped_lock aGuard(maListenerMutex);
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auto it = maShapeListeners.find(xShape);
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if (it != maShapeListeners.end())
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{
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assert(it->second == xListener && "removing wrong listener?");
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(void)xListener;
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maShapeListeners.erase(it);
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}
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}
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void ScDrawModelBroadcaster::Notify( SfxBroadcaster&,
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const SfxHint& rHint )
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{
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if (rHint.GetId() != SfxHintId::ThisIsAnSdrHint)
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return;
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const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint);
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document::EventObject aEvent;
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if( !SvxUnoDrawMSFactory::createEvent( mpDrawModel, pSdrHint, aEvent ) )
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return;
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std::unique_lock aGuard(maListenerMutex);
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maEventListeners.forEach(aGuard,
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[&aEvent](const css::uno::Reference<document::XEventListener>& xListener)
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{
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xListener->notifyEvent(aEvent);
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}
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);
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// right now, we're only handling the specific event necessary to fix this performance problem
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if (pSdrHint->GetKind() == SdrHintKind::ObjectChange)
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{
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auto pSdrObject = const_cast<SdrObject*>(pSdrHint->GetObject());
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uno::Reference<drawing::XShape> xShape(pSdrObject->getUnoShape(), uno::UNO_QUERY);
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auto it = maShapeListeners.find(xShape);
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if (it != maShapeListeners.end())
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it->second->notifyShapeEvent(aEvent);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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