//
//  Microsoft Windows Media Technologies
//  Copyright (C) Microsoft Corporation, 1999 - 2001. All rights reserved.
//

//
// ProgressHelper.h : Declaration of the CProgressHelper
//

#ifndef __PROGRESSHELPER_H_
#define __PROGRESSHELPER_H_

#include "progRC.h"       // main symbols

/////////////////////////////////////////////////////////////////////////////
//
// CProgressHelper
//
class ATL_NO_VTABLE CProgressHelper : 
	public CComObjectRootEx<CComMultiThreadModel>,
	public CComCoClass<CProgressHelper, &CLSID_ProgressHelper>,
	public IWMDMProgress,
	public IWMDMProgressHelper
{

	HWND           m_hwnd;
	UINT           m_uMsg;
	PROGRESSNOTIFY m_progressnotify;
	BOOL           m_fCancelled;

public:
	CProgressHelper();
	~CProgressHelper();

DECLARE_REGISTRY_RESOURCEID(IDR_WMDMPROGRESSHELPER)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CProgressHelper)
	COM_INTERFACE_ENTRY(IWMDMProgressHelper)
	COM_INTERFACE_ENTRY(IWMDMProgress)
END_COM_MAP()

public:

	// IWMDMProgress
    STDMETHOD (Begin)( DWORD dwEstimatedTicks );
    STDMETHOD (Progress)( DWORD dwTranspiredTicks );
    STDMETHOD (End)();

	// IWMDMProgressHelper
	STDMETHOD (SetNotification)( HWND hwnd, UINT uMsg );
	STDMETHOD (Cancel)( VOID );
};

#endif //__PROGRESSHELPER_H_