/* -*- 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 )
{
}
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