rtcevent.h

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//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
/*************************************************************************


  Disclaimer:

    This code and information is provided "as is" without warranty of
    any kind, either expressed or implied, including but not limited to
    the implied warranties of merchantability and/or fitness for a
    particular purpose.

Module Name:

	rtcevent.h

Abstract:
	
	COM object functions and definitions for our event sink to interface
	with RTC.

Notes:

**************************************************************************/  

#ifndef _RTCEVENT_H_
#define _RTCEVENT_H_

HRESULT EventSink(
    RTC_EVENT enEvent,
    IDispatch * pUnk
    );

/////////////////////////////////////////////////////////////////////////////
//
// CRTCEvents
//
/////////////////////////////////////////////////////////////////////////////
class CRTCEvents :
	public IRTCEventNotification
{
public:
    DWORD m_dwRefCount;
    CRTCEvents(){ m_dwRefCount = 0;}

	HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void **ppvObject)
    {
        if (iid == IID_IRTCEventNotification)
        {
            *ppvObject = (void *)this;
            AddRef();
            return S_OK;
        }

        if (iid == IID_IUnknown)
        {
            *ppvObject = (void *)this;
            AddRef();
            return S_OK;
        }

        return E_NOINTERFACE;
    }

	ULONG STDMETHODCALLTYPE AddRef()
    {
        m_dwRefCount++;
        return m_dwRefCount;
    }
    
	ULONG STDMETHODCALLTYPE Release()
    {
        m_dwRefCount--;

        if ( 0 == m_dwRefCount)
        {
            delete this;
        }

        return 1;
    }

    HRESULT STDMETHODCALLTYPE Event(
        RTC_EVENT enEvent,
        IDispatch * pDisp
        )
    {
        return EventSink(enEvent, pDisp);
    }

};

#endif //_RTCEVENT_