RenderableListener.h

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//
// C++ Interface: Audio::RenderableListener
//
#ifndef __AUDIO_RENDERABLELISTENER_H__INCLUDED__
#define __AUDIO_RENDERABLELISTENER_H__INCLUDED__

#include "Exceptions.h"
#include "Types.h"

namespace Audio {

    // Forward declarations
    
    class Listener;
    

    class RenderableListener : public UserData
    {
    private:
        Listener *listener;
        
    protected:
        RenderableListener(Listener *listener) throw();
        
    public:
        virtual ~RenderableListener();
        
        enum UpdateFlags {
            UPDATE_ALL          = 0x0F,
            UPDATE_LOCATION     = 0x01,
            UPDATE_ATTRIBUTES   = 0x02,
            UPDATE_EFFECTS      = 0x04,
            UPDATE_GAIN         = 0x08
        };
        
        Listener* getListener() const throw() { return listener; }
        
        void update(int flags) throw();
        
        // The following section contains all the virtual functions that need be implemented
        // by a concrete class. All are protected, so the interface is independent
        // of implementations.
    protected:
        
        virtual void updateImpl(int flags) throw(Exception) = 0;
    };

};

#endif//__AUDIO_RENDERABLELISTENER_H__INCLUDED__