ICallObserver.h

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// abstract interface defining the operations of a Message Observer

#ifndef ICALLOBSERVER_H
#define ICALLOBSERVER_H


namespace WinampRemote
{

namespace Remoting
{

class ICallObserver {

  public:

        virtual ~ICallObserver() {}

        virtual void notifyStatus(const char * status) = 0;

        virtual void notifyMessage(const char * msg ) = 0;

        virtual void notifyException(const char * msg ) = 0;

};

class StubCallObserver : public ICallObserver  {

    public:

    virtual ~StubCallObserver() {};

    virtual void notifyStatus(const char * status){
    }

    virtual void notifyMessage(const char * msg){
    }

    virtual void notifyException(const char * msg){
    }

};


} // end of namespace Remoting
} // end of namespace WinampRemote

#endif ICALLOBSERVER_H