libreoffice/include/comphelper/weak.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
 * 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_COMPHELPER_WEAK_HXX
#define INCLUDED_COMPHELPER_WEAK_HXX

#include <comphelper/comphelperdllapi.h>

#include <com/sun/star/lang/XTypeProvider.hpp>
#include <cppuhelper/weak.hxx>

namespace comphelper
{
/** Base class to implement an UNO object supporting types and weak references, i.e. the object can be held
    weakly (by a css::uno::WeakReference).
    This implementation copes with reference counting.  Upon last release(), the virtual dtor
    is called.

    In addition to the features from cppu::OWeakObject, derivations from this class can
    also used as a base class for ::cppu::ImplInheritanceHelper?
*/
class COMPHELPER_DLLPUBLIC OWeakTypeObject : public ::cppu::OWeakObject, public css::lang::XTypeProvider
{
public:
    OWeakTypeObject();
    virtual ~OWeakTypeObject() override;

    virtual css::uno::Any SAL_CALL queryInterface(const css::uno::Type & rType ) override;
    virtual void SAL_CALL acquire() throw () override;
    virtual void SAL_CALL release() throw () override;
    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes(  ) override;
    virtual css::uno::Sequence< ::sal_Int8 > SAL_CALL getImplementationId(  ) override;

};

}

#endif


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