hxpends.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 

#ifndef _HXPENDS_H_
#define _HXPENDS_H_

/*
 * Forward declarations of some interfaces defined or used here-in.
 */
typedef _INTERFACE	IUnknown			IUnknown;
typedef _INTERFACE	IHXPendingStatus		IHXPendingStatus;


/****************************************************************************
 * 
 *  Interface:
 *
 *	IHXPendingStatus
 *
 *  Purpose:
 *
 *	Interface to get the current pending status from an object
 *
 *  IHXPendingStatus:
 *
 *	{00001100-0901-11d1-8B06-00A024406D59}
 */

DEFINE_GUID(IID_IHXPendingStatus, 0x00001100, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
			0xa0, 0x24, 0x40, 0x6d, 0x59);

#undef  INTERFACE
#define INTERFACE   IHXPendingStatus

#define HX_STATUS_INITIALIZING	0x01
#define HX_STATUS_BUFFERING	0x02
#define HX_STATUS_CONTACTING	0x03
#define HX_STATUS_READY	0x04

DECLARE_INTERFACE_(IHXPendingStatus, IUnknown)
{
    /*
     * IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)	(THIS) PURE;

    STDMETHOD_(ULONG32,Release)	(THIS) PURE;

    /*
     * IHXPendingStatus methods
     */

    /************************************************************************
     *	Method:
     *	    IHXPendingStatus::GetStatus
     *	Purpose:
     *	    Called by the user to get the current pending status from an object
     */
    STDMETHOD(GetStatus)	(THIS_
				REF(UINT16) uStatusCode, 
				REF(IHXBuffer*) pStatusDesc, 
				REF(UINT16) ulPercentDone) PURE;
};

#endif /* _HXPENDS_H_ */