albaEventSender.h

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/*=========================================================================
 
 Program: ALBA (Agile Library for Biomedical Applications)
 Module: albaEventSender
 Authors: Marco Petrone
 
 Copyright (c) BIC
 All rights reserved. See Copyright.txt or
 
 
 This software is distributed WITHOUT ANY WARRANTY; without even
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef __albaEventSender_h
#define __albaEventSender_h
//----------------------------------------------------------------------------
// includes :
//----------------------------------------------------------------------------
#include "albaObserver.h"
#include "albaEventBase.h"
//------------------------------------------------------------------------------
// albaEventSender
//------------------------------------------------------------------------------
class ALBA_EXPORT albaEventSender
{
public:
  albaEventSender() {m_Listener = NULL;}
 
  virtual void SetListener(albaObserver *o) {m_Listener = o;}
 
   virtual albaObserver *GetListener() {return m_Listener;}
 
   virtual bool HasListener() {return m_Listener!=NULL;}
 
   virtual void InvokeEvent(albaEventBase &e) {if (m_Listener) m_Listener->OnEvent(&e);}
 
   virtual void InvokeEvent(albaEventBase *e) {if (m_Listener) m_Listener->OnEvent(e);}
 
   virtual void InvokeEvent(void *sender, albaID id=ID_NO_EVENT, void *data=NULL) {if (m_Listener) m_Listener->OnEvent(&albaEventBase(sender,id,data));}
 
protected:
  albaObserver *m_Listener;  
private:
  
};
 
#endif /* __albaEventSender_h */