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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_SD_INC_HELPER_SIMPLEREFERENCECOMPONENT_HXX
#define INCLUDED_SD_INC_HELPER_SIMPLEREFERENCECOMPONENT_HXX
#include <osl/interlck.h>
#include <sddllapi.h>
namespace sd {
/** A simple base implementation for reference-counted components.
acts like sal::SimpleReferenceObject but calls the virtual disposing()
methods before the ref count switches from 1 to zero.
*/
class SimpleReferenceComponent
{
public:
SimpleReferenceComponent();
/** @ATTENTION
The results are undefined if, for any individual instance of
SimpleReferenceComponent, the total number of calls to acquire() exceeds
the total number of calls to release() by a platform dependent amount
(which, hopefully, is quite large).
*/
SD_DLLPUBLIC void acquire();
SD_DLLPUBLIC void release();
void Dispose();
bool isDisposed() const { return mbDisposed; }
protected:
virtual void disposing();
virtual ~SimpleReferenceComponent();
private:
oslInterlockedCount m_nCount;
SimpleReferenceComponent(SimpleReferenceComponent const &) = delete;
void operator =(SimpleReferenceComponent const &) = delete;
bool mbDisposed;
};
}
#endif // _SALHELPER_SimpleReferenceComponent_HXX_
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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