PListener.h

//==============================================================================
// File:        PListener.h
//
// Copyright (c) 2017, Phil Harvey, Queen's University
//==============================================================================
#ifndef __PListener_h__
#define __PListener_h__

#include "messages.h"

class PSpeaker;

class PListener {
public:
    friend class PSpeaker;
    PListener();
    virtual ~PListener();
    
    virtual void    Listen(int message, void *dataPt) = 0;
    
    int             IsIgnoring()                { return mIgnoring;      }
    void            Ignore(int ignore_on=1)     { mIgnoring = ignore_on; }
    
private:
    void            AddSpeaker(PSpeaker *aSpeaker);
    void            RemoveSpeaker(PSpeaker *aSpeaker);
    
    int             mIgnoring;
    PSpeaker     ** mSpeakers;
    int             mNumSpeakers;
    int             mMaxSpeakers;
};

#endif // __PListener_h__