EventSystem.hpp

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//
// Thor C++ Library
// Copyright (c) 2011-2015 Jan Haller
// 
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// 
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 
// 1. The origin of this software must not be misrepresented; you must not
//    claim that you wrote the original software. If you use this software
//    in a product, an acknowledgment in the product documentation would be
//    appreciated but is not required.
// 
// 2. Altered source versions must be plainly marked as such, and must not be
//    misrepresented as being the original software.
// 
// 3. This notice may not be removed or altered from any source distribution.
//


#ifndef THOR_EVENTSYSTEM_HPP
#define THOR_EVENTSYSTEM_HPP

#include <Thor/Input/Detail/EventListener.hpp>

#include <Aurora/Tools/NonCopyable.hpp>


namespace thor
{


template <typename Event, typename EventId = Event>
class EventSystem : private aurora::NonCopyable
{
    // ---------------------------------------------------------------------------------------------------------------------------
    // Public member functions
    public:
                                    EventSystem();

        void                        triggerEvent(const Event& event);

        Connection                  connect(const EventId& trigger, std::function<void(const Event&)> unaryListener);

        Connection                  connect0(const EventId& trigger, std::function<void()> nullaryListener);

        void                        clearConnections(EventId identifier);

        void                        clearAllConnections();


    // ---------------------------------------------------------------------------------------------------------------------------
    // Private types
    private:
        // Container type
        typedef detail::ListenerMap<EventId, const Event&>  EventListenerMap;


    // ---------------------------------------------------------------------------------------------------------------------------
    // Private variables
    private:
        EventListenerMap            mListeners;
};


} // namespace thor

#include <Thor/Input/Detail/EventSystem.inl>
#endif // THOR_EVENTSYSTEM_HPP