ILabelSourceRepositoryObserver.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Labels.h"
#include "AnchoredLabelSourceRepository.h"
#include "ICallback.h"

namespace Eegeo
{
    namespace Labels
    {
        class ILabelSourceRepositoryObserver : public IAnchoredLabelSourceRepository::ObserverType
        {
        public:
            typedef Helpers::ICallback1<const IAnchoredLabelSource> CallbackType;
            
            virtual ~ILabelSourceRepositoryObserver() {;}
            
            virtual void RegisterItemAddedCallback(CallbackType& callback) = 0;
            
            virtual void RegisterItemRemovedCallback(CallbackType& callback) = 0;
            
            virtual void UnregisterItemAddedCallback(CallbackType& callback) = 0;
            
            virtual void UnregisterItemRemovedCallback(CallbackType& callback) = 0;
        };
    }
}