apitools.hxx

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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 <cppuhelper/compbase.hxx>
#include <osl/mutex.hxx>
 
// OSubComponent - a component which holds a hard ref to its parent
//                 and is been hold itself (by the parent) with a weak ref
class OSubComponent : public ::cppu::WeakComponentImplHelper<>
{
protected:
    // the parent must support the tunnel implementation
    css::uno::Reference< css::uno::XInterface > m_xParent;
    virtual ~OSubComponent() override;
 
public:
    OSubComponent(::osl::Mutex& _rMutex,
                  const css::uno::Reference< css::uno::XInterface >& _xParent);
 
// css::uno::XInterface
    virtual void SAL_CALL release() noexcept override;
 
    operator css::uno::Reference< css::uno::XInterface > () const
        { return static_cast<css::uno::XWeak *>(const_cast<OSubComponent *>(this)); }
 
};
 
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