cxServiceTrackerCustomizer.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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=========================================================================*/

#ifndef CXSERVICETRACKERCUSTOMIZER_H_
#define CXSERVICETRACKERCUSTOMIZER_H_

#include <boost/function.hpp>

#include "ctkServiceTracker.h"
#include "ctkServiceTrackerCustomizer.h"
#include <iostream>

namespace cx {
template<class T >
class ServiceTrackerCustomizer : public ctkServiceTrackerCustomizer<T*>
{
public:
                ServiceTrackerCustomizer(){}
                virtual ~ServiceTrackerCustomizer(){}

   virtual T* addingService(const ctkServiceReference &reference)
   {
       T* service = reference.getPlugin()->getPluginContext()->getService<T>(reference);
           if(mServiceAddedFunction)
           mServiceAddedFunction(service);
       return service;
         }
   virtual void modifiedService(const ctkServiceReference &reference, T* service)
   {
       if(mServiceModifiedFunction)
           mServiceModifiedFunction(service);
       //TODO when does this happen? untested
         }
   virtual void removedService(const ctkServiceReference &reference, T* service)
   {
       if(mServiceRemovedFunction)
           mServiceRemovedFunction(service);
       reference.getPlugin()->getPluginContext()->ungetService(reference);
         }

   void setServiceAddedCallback(boost::function<void (T*)> func)
   {
       mServiceAddedFunction = func;
   }
   void setServiceModifiedCallback(boost::function<void (T*)> func)
   {
       mServiceModifiedFunction = func;
   }
   void setServiceRemovedCallback(boost::function<void (T*)> func)
   {
       mServiceRemovedFunction = func;
   }

private:
   boost::function<void (T*)> mServiceAddedFunction;
   boost::function<void (T*)> mServiceModifiedFunction;
   boost::function<void (T*)> mServiceRemovedFunction;
};
} /* namespace cx */

#endif /* CXSERVICETRACKERCUSTOMIZER_H_ */