#if !defined(MedusaSINK_H__)
#define MedusaSINK_H__

#include <atlvcl.h>
#include <atlcom.h>
#include <atlbase.h>
#include <utilcls.h>

#include <ComObj.hpp>

#include "MedusaServer_TLB.h"

typedef void __fastcall (__closure * TMedusaSignReadyEvent)(BSTR Sign);

// IDispatch-base(disinterface) ÇÑ ¼­¹ö °´Ã¼ÀÇ À̺¥Æ®¸¦ ´Ù·ê Ŭ·¡½º¸¦ »ý¼ºÇÑ´Ù.

class TMedusaSink : public TEventDispatcher<TMedusaSink, &DIID_IMedusaEvents>
{
  protected :

    // À̺¥Æ® Çʵå.
    TMedusaSignReadyEvent FOnMedusaSignReady;

    // À̺¥Æ® Dispatcher.
    HRESULT InvokeEvent(DISPID id, TVariant* params)
    {
       if ((id == 1) && (FOnMedusaSignReady != NULL)) // OnMedusaSignReady
       {
         FOnMedusaSignReady(params[0]);
       }
       return S_OK;
    }
    // Reference to the event sender
    CComPtr<IUnknown> m_pSender;

  public :

    __property TMedusaSignReadyEvent OnMedusaSignReady =
      { read = FOnMedusaSignReady , write = FOnMedusaSignReady };

  public :

    TMedusaSink() : m_pSender(NULL), FOnMedusaSignReady(NULL)
    {
    }
    virtual ~TMedusaSink()
    {
      Disconnect();
    }

    // Connect to the Server

    void Connect(IUnknown *pSender)
    {
      if (pSender != m_pSender) m_pSender = pSender;
      if (m_pSender != NULL) ConnectEvents(m_pSender);
    }

    // Disconnect from the Server

    void Disconnect()
    {
      if (m_pSender != NULL)
      {
        DisconnectEvents(m_pSender);
        m_pSender = NULL;
      }
    }
};

#endif