Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Messages/ObserverBase.h @ 2019:fe9999d6a636
handling of left, right, and space keys
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 03 Dec 2022 09:22:19 +0100 |
parents | 7053b8a0aaec |
children | 07964689cb0b |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2022 Osimis S.A., Belgium * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #pragma once #include "ICallable.h" #include "IObserver.h" #include "IObservable.h" #include <OrthancException.h> #include <boost/enable_shared_from_this.hpp> namespace OrthancStone { template <typename TObserver> class ObserverBase : public IObserver, public boost::enable_shared_from_this<TObserver> { public: boost::shared_ptr<TObserver> GetSharedObserver() { try { return this->shared_from_this(); } catch (boost::bad_weak_ptr&) { throw Orthanc::OrthancException( Orthanc::ErrorCode_InternalError, "Cannot get a shared pointer to an observer from its constructor, " "or the observer is not created as a shared pointer"); } } template <typename TMessage> ICallable* CreateCallable(void (TObserver::* MemberMethod) (const TMessage&)) { return new Callable<TObserver, TMessage>(GetSharedObserver(), MemberMethod); } template <typename TMessage> void Register(IObservable& observable, void (TObserver::* MemberMethod) (const TMessage&)) { observable.RegisterCallable(CreateCallable(MemberMethod)); } }; }