/* -*- 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_COMPHELPER_MAKE_SHARED_FROM_UNO_HXX #define INCLUDED_COMPHELPER_MAKE_SHARED_FROM_UNO_HXX #include namespace comphelper { /// @internal namespace detail { /// @internal template struct ReleaseFunc { void operator()(T* p) const { p->release(); } }; } // namespace detail /** Makes a std::shared_ptr from a ref-counted UNO object pointer. This makes sense if the object is used via UNO (implementing some X interface) and also internally using its implementation class, e.g.
        std::shared_ptr const ptr(
            comphelper::make_shared_from_UNO( new MyUnoImpl ) );
        ...
        xUno->callingUno( uno::Reference( ptr.get() ) );
        ...
        takeSharedPtr( ptr );
        ...
    
@attention The shared_ptr operates on a separate reference counter, so weak pointers (std::weak_ptr) are invalidated when the last shared_ptr is destroyed, although the UNO object may still be alive. @param p object pointer @return shared_ptr to object */ template inline std::shared_ptr make_shared_from_UNO(T* p) { p->acquire(); return std::shared_ptr(p, detail::ReleaseFunc()); } } // namespace comphelper #endif // ! defined(INCLUDED_COMPHELPER_MAKE_SHARED_FROM_UNO_HXX) /* vim:set shiftwidth=4 softtabstop=4 expandtab: */