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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 .
*/
#ifndef INCLUDED_COMPHELPER_PROPMULTIPLEX_HXX
#define INCLUDED_COMPHELPER_PROPMULTIPLEX_HXX
#include <com/sun/star/beans/XPropertyChangeListener.hpp>
#include <cppuhelper/implbase.hxx>
#include <comphelper/comphelperdllapi.h>
#include <rtl/ref.hxx>
#include <vector>
namespace com::sun::star::beans { class XPropertySet; }
//= property helper classes
namespace comphelper
{
class OPropertyChangeMultiplexer;
//= OPropertyChangeListener
/// simple listener adapter for property sets
class COMPHELPER_DLLPUBLIC OPropertyChangeListener
{
friend class OPropertyChangeMultiplexer;
rtl::Reference<OPropertyChangeMultiplexer> m_xAdapter;
::osl::Mutex& m_rMutex;
public:
OPropertyChangeListener(::osl::Mutex& _rMutex)
: m_rMutex(_rMutex) { }
virtual ~OPropertyChangeListener();
/// @throws css::uno::RuntimeException
virtual void _propertyChanged(const css::beans::PropertyChangeEvent& _rEvent) = 0;
/// @throws css::uno::RuntimeException
virtual void _disposing(const css::lang::EventObject& _rSource);
protected:
/** If the derivee also owns the mutex which we know as reference, then call this within your
derivee's dtor.
*/
void disposeAdapter();
private:
void setAdapter( OPropertyChangeMultiplexer* _pAdapter );
};
//= OPropertyChangeMultiplexer
/// multiplexer for property changes
// workaround for incremental linking bugs in MSVC2019
class SAL_DLLPUBLIC_TEMPLATE OPropertyChangeMultiplexer_Base : public cppu::WeakImplHelper< css::beans::XPropertyChangeListener > {};
class COMPHELPER_DLLPUBLIC OPropertyChangeMultiplexer final : public OPropertyChangeMultiplexer_Base
{
friend class OPropertyChangeListener;
std::vector< OUString > m_aProperties;
css::uno::Reference< css::beans::XPropertySet> m_xSet;
OPropertyChangeListener* m_pListener;
sal_Int32 m_nLockCount;
bool m_bListening : 1;
bool const m_bAutoSetRelease : 1;
virtual ~OPropertyChangeMultiplexer() override;
public:
OPropertyChangeMultiplexer(OPropertyChangeListener* _pListener, const css::uno::Reference< css::beans::XPropertySet>& _rxSet, bool _bAutoReleaseSet = true);
// XEventListener
virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
// XPropertyChangeListener
virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& evt ) override;
/// incremental lock
void lock();
/// incremental unlock
void unlock();
/// get the lock count
sal_Int32 locked() const { return m_nLockCount; }
void addProperty(const OUString& aPropertyName);
void dispose();
};
} // namespace comphelper
#endif // INCLUDED_COMPHELPER_PROPMULTIPLEX_HXX
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