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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 .
*/
#pragma once
#include <sal/config.h>
#include <osl/mutex.hxx>
/* Definition of the BaseMutexHelper class */
namespace canvas
{
/** Base class, initializing its own baseclass with m_aMutex.
This is necessary to make the CanvasBase, GraphicDeviceBase,
etc. classes freely combinable - letting them perform this
initialization would prohibit deriving e.g. CanvasBase from
GraphicDeviceBase.
*/
template< class Base > class BaseMutexHelper : public Base
{
protected:
/** Construct BaseMutexHelper
This method is the whole purpose of this template:
initializing a base class with the provided m_aMutex
member (the WeakComponentImplHelper templates need that,
as they require the lifetime of the mutex to extend
theirs).
*/
BaseMutexHelper() :
Base( m_aMutex )
{
}
virtual void disposeThis() {}
mutable osl::Mutex m_aMutex;
private:
virtual void SAL_CALL disposing() override
{ disposeThis(); }
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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