2023-02-22 02:19:02 -06:00
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/* -*- 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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#pragma once
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2024-02-08 06:15:37 -06:00
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#include <config_options.h>
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#include <com/sun/star/beans/XPropertyChangeListener.hpp>
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#include <cppuhelper/implbase.hxx>
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#include <comphelper/comphelperdllapi.h>
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#include <rtl/ref.hxx>
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#include <mutex>
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#include <vector>
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namespace com::sun::star::beans
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{
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class XPropertySet;
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}
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//= property helper classes
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namespace comphelper
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{
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class OPropertyChangeMultiplexer2;
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//= OPropertyChangeListener
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/// simple listener adapter for property sets
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class UNLESS_MERGELIBS(COMPHELPER_DLLPUBLIC) OPropertyChangeListener2
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{
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friend class OPropertyChangeMultiplexer2;
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rtl::Reference<OPropertyChangeMultiplexer2> m_xAdapter;
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public:
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virtual ~OPropertyChangeListener2();
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/// @throws css::uno::RuntimeException
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virtual void _propertyChanged(const css::beans::PropertyChangeEvent& _rEvent) = 0;
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protected:
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/** If the derivee also owns the mutex which we know as reference, then call this within your
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derivee's dtor.
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*/
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void disposeAdapter(std::unique_lock<std::mutex>& rGuard);
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private:
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void setAdapter(std::unique_lock<std::mutex>& rGuard, OPropertyChangeMultiplexer2* _pAdapter);
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};
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//= OPropertyChangeMultiplexer2
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// A copy of OPropertyChangeMultiplexer except that it uses std::mutex instead osl::Mutex
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/// multiplexer for property changes
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// workaround for incremental linking bugs in MSVC2019
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class SAL_DLLPUBLIC_TEMPLATE OPropertyChangeMultiplexer_Base2
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: public cppu::WeakImplHelper<css::beans::XPropertyChangeListener>
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{
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};
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class UNLESS_MERGELIBS(COMPHELPER_DLLPUBLIC) OPropertyChangeMultiplexer2 final
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: public OPropertyChangeMultiplexer_Base2
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{
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friend class OPropertyChangeListener2;
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std::mutex& m_rMutex;
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std::vector<OUString> m_aProperties;
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css::uno::Reference<css::beans::XPropertySet> m_xSet;
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OPropertyChangeListener2* m_pListener;
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sal_Int32 m_nLockCount;
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bool m_bListening : 1;
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void onListenerDestruction();
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virtual ~OPropertyChangeMultiplexer2() override;
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public:
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OPropertyChangeMultiplexer2(std::mutex& rMutex, std::unique_lock<std::mutex>& rGuard,
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OPropertyChangeListener2* _pListener,
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const css::uno::Reference<css::beans::XPropertySet>& _rxSet);
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// XEventListener
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virtual void SAL_CALL disposing(const css::lang::EventObject& Source) override;
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// XPropertyChangeListener
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virtual void SAL_CALL propertyChange(const css::beans::PropertyChangeEvent& evt) override;
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/// incremental lock
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void lock();
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/// incremental unlock
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void unlock();
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/// get the lock count
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sal_Int32 locked() const { return m_nLockCount; }
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void addProperty(const OUString& aPropertyName);
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void dispose(std::unique_lock<std::mutex>& rGuard);
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};
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} // namespace comphelper
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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