c144288abe
Change-Id: I22711d226a266dc00c32beff54398a55c4c9691a Reviewed-on: https://gerrit.libreoffice.org/26599 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
125 lines
3.1 KiB
C++
125 lines
3.1 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 <comphelper/SelectionMultiplex.hxx>
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#include <osl/diagnose.h>
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namespace comphelper
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{
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::view;
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OSelectionChangeListener::~OSelectionChangeListener()
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{
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}
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void OSelectionChangeListener::_disposing(const EventObject&)
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throw (RuntimeException, std::exception)
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{
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// nothing to do here
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}
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void OSelectionChangeListener::setAdapter(OSelectionChangeMultiplexer* pAdapter)
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{
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if (m_pAdapter)
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{
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::osl::MutexGuard aGuard(m_rMutex);
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m_pAdapter->release();
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m_pAdapter = nullptr;
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}
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if (pAdapter)
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{
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::osl::MutexGuard aGuard(m_rMutex);
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m_pAdapter = pAdapter;
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m_pAdapter->acquire();
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}
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}
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OSelectionChangeMultiplexer::OSelectionChangeMultiplexer(OSelectionChangeListener* _pListener, const Reference< XSelectionSupplier>& _rxSet)
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:m_xSet(_rxSet)
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,m_pListener(_pListener)
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,m_nLockCount(0)
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{
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m_pListener->setAdapter(this);
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osl_atomic_increment(&m_refCount);
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{
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Reference< XSelectionChangeListener> xPreventDelete(this);
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m_xSet->addSelectionChangeListener(xPreventDelete);
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}
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osl_atomic_decrement(&m_refCount);
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}
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OSelectionChangeMultiplexer::~OSelectionChangeMultiplexer()
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{
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}
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void OSelectionChangeMultiplexer::lock()
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{
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++m_nLockCount;
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}
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void OSelectionChangeMultiplexer::unlock()
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{
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--m_nLockCount;
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}
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// XEventListener
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void SAL_CALL OSelectionChangeMultiplexer::disposing( const EventObject& _rSource) throw( RuntimeException, std::exception)
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{
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if (m_pListener)
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{
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// tell the listener
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if (!locked())
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m_pListener->_disposing(_rSource);
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// disconnect the listener
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if (m_pListener) // may have been reset whilest calling into _disposing
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m_pListener->setAdapter(nullptr);
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}
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m_pListener = nullptr;
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m_xSet = nullptr;
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}
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// XSelectionChangeListener
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void SAL_CALL OSelectionChangeMultiplexer::selectionChanged( const EventObject& _rEvent ) throw( RuntimeException, std::exception)
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{
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if (m_pListener && !locked())
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m_pListener->_selectionChanged(_rEvent);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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