Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Messages/ICallable.h @ 1967:b180233143ae
Added vertical slider showing position of the current frame inside the series
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 28 Oct 2022 10:38:30 +0200 |
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 "IMessage.h" #include "IObserver.h" #include <Logging.h> #include <boost/noncopyable.hpp> #include <boost/weak_ptr.hpp> #include <string> #include <stdint.h> namespace OrthancStone { // This is referencing an object and member function that can be notified // by an IObservable. The object must derive from IO // The member functions must be of type "void Method(const IMessage& message)" or reference a derived class of IMessage class ICallable : public boost::noncopyable { public: virtual ~ICallable() { } virtual void Apply(const IMessage& message) = 0; virtual const MessageIdentifier& GetMessageIdentifier() = 0; // TODO - Is this needed? virtual boost::weak_ptr<IObserver> GetObserver() const = 0; }; template <typename TObserver, typename TMessage> class Callable : public ICallable { private: typedef void (TObserver::* MemberMethod) (const TMessage&); boost::weak_ptr<IObserver> observer_; MemberMethod function_; public: Callable(boost::shared_ptr<TObserver> observer, MemberMethod function) : observer_(observer), function_(function) { } virtual void Apply(const IMessage& message) { boost::shared_ptr<IObserver> lock(observer_); if (lock) { TObserver& observer = dynamic_cast<TObserver&>(*lock); const TMessage& typedMessage = dynamic_cast<const TMessage&>(message); (observer.*function_) (typedMessage); } } virtual const MessageIdentifier& GetMessageIdentifier() { return TMessage::GetStaticIdentifier(); } virtual boost::weak_ptr<IObserver> GetObserver() const { return observer_; } }; }