eventHandler.hpp

/*
  ANCH Framework: ANother C++ Hack is a C++ framework based on C++11 standard
  Copyright (C) 2012 Vincent Lachenal
 
  This file is part of ANCH Framework.
 
  ANCH Framework 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.
 
  ANCH Framework 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 ANCH Framework.  If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
 
#include "events/eventBus.hpp"
 
#include <functional>
 
#include "events/event.hpp"
 
 
namespace anch::events {

  template<typename T, typename Derived>
  class EventHandler: public Observer<T> {
  private:
    std::function<void(Derived&,const anch::events::Event<T>&)> _callbackFunction;

    anch::events::EventBus<T>* _eventBus;
 
  public:
    EventHandler(const std::function<void(Derived&,const anch::events::Event<T>&)>& callbackFunction, bool useEventBus = false);

    EventHandler(const std::function<void(Derived&,const anch::events::Event<T>&)>& callbackFunction, anch::events::EventBus<T>& eventBus);

    virtual ~EventHandler();
 
  public:
    virtual void handle(const anch::events::Event<T>& event) noexcept;
 
  };
 
}
 
#include "events/impl/eventHandler.hpp"