windows-xp/Source/XPSP1/NT/enduser/stuff/hhctrl/internet.h

// Copyright 1995-1997 Microsoft Corporation.  All Rights Reserved.

#if _MSC_VER > 1000
#pragma once
#endif

#ifndef _INTERNET_H
#define _INTERNET_H

#define DISPID_PROGRESS 1958

#ifndef __MKTYPLIB__

#include <urlmon.H>

#include "CtrlObj.H"

class CInternetControl : public COleControl
{
public:
	CInternetControl(IUnknown * pUnkOuter,
					int 		iPrimaryDispatch,
					void *		pMainInterface);

	virtual ~CInternetControl();

	// IUnknown methods

	DECLARE_STANDARD_UNKNOWN();

	// Call this method to start the download of a URL. 'propId' will
	//	be passed back to your OnData below.

	HRESULT SetupDownload(LPOLESTR url, DISPID propId);

	//	Derived classes implement this method. It will be called when
	//	data has arrived for a given dispid.

	virtual HRESULT OnData(DISPID id, DWORD grfBSCF, IStream * bitstrm,
		DWORD amount) { return NOERROR; }

	//	Derived classes can implement this method. It will be
	//	called at various times during the download.

	virtual HRESULT OnProgress(DISPID id, ULONG ulProgress,
										ULONG ulProgressMax,
										ULONG ulStatusCode,
										LPCWSTR pwzStatusText);

	//	Call this method to turn a URL into a Moniker.
	HRESULT GetAMoniker(LPOLESTR url, IMoniker **);

	HRESULT FireReadyStateChange(long newState);
	HRESULT FireProgress(ULONG dwAmount);

		// Override base class implementation...

	virtual HRESULT InternalQueryInterface(REFIID, void **);

protected:
	HRESULT GetBindHost();

	IBindHost * 			m_host;
	long					m_readyState;

	// BUGBUG: We should track all the downloads
};

#endif __MKTYPLIB__

#endif _INTERNET_H