progsink.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 _PROGSINK_H_
#define _PROGSINK_H_

/*
 * Forward declarations of some interfaces defined here-in.
 */

typedef _INTERFACE IUnknown			IUnknown;
typedef _INTERFACE IHXProgressSink		IHXProgressSink;
typedef _INTERFACE IHXProgressSinkControl      IHXProgressSinkControl;
 
/****************************************************************************
 * 
 *  Interface:
 *
 *  IHXProgressSink
 *
 *  Purpose:
 *
 *  Supports callback notification about a job's progress
 *
 *  IHXProgressSink
 *
 *  {6F8C5FB0-C1D3-11d2-871B-00C0F031C266}
 *
 */
DEFINE_GUID(IID_IHXProgressSink, 
    0x6f8c5fb0, 0xc1d3, 0x11d2, 0x87, 0x1b, 0x0, 0xc0, 0xf0, 0x31, 0xc2, 0x66);


#undef  INTERFACE
#define INTERFACE   IHXProgressSink

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

    STDMETHOD_(UINT32,AddRef)	(THIS) PURE;

    STDMETHOD_(UINT32,Release)	(THIS) PURE;

    /************************************************************************
     *	IHXProgressSink methods
     */
   
    /************************************************************************
     *	Method:
     *	    IHXProgressSink::SetProgress
     *	Purpose:
     *	    Set the percent complete.
     *	Parameters:
     *	    ulPercentComplete - [in] Percent of the merge that is complete.
     */
    STDMETHOD(SetProgress)	    (THIS_ UINT32 ulPercentComplete) PURE;

    /************************************************************************
     *	Method:
     *	    IHXProgressSink::NotifyStart
     *	Purpose:
     *	    Notification that the job is starting.
     */
    STDMETHOD(NotifyStart)	    (THIS) PURE;

    /************************************************************************
     *	Method:
     *	    IHXProgressSink::NotifyFinish
     *	Purpose:
     *	    Notification that the job is complete.
     */
    STDMETHOD(NotifyFinish)	    (THIS) PURE;

};


/****************************************************************************
 * 
 *  Interface:
 *
 *  IHXProgressSinkControl
 *
 *  Purpose:
 *
 *  Used to register progress callbacks
 *
 *  IHXProgressSinkControl
 *
 *  {DC464800-C1D3-11d2-871B-00C0F031C266}
 *
 */
DEFINE_GUID(IID_IHXProgressSinkControl, 
    0xdc464800, 0xc1d3, 0x11d2, 0x87, 0x1b, 0x0, 0xc0, 0xf0, 0x31, 0xc2, 0x66);


#undef  INTERFACE
#define INTERFACE   IHXProgressSinkControl

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

    STDMETHOD_(UINT32,AddRef)	(THIS) PURE;

    STDMETHOD_(UINT32,Release)	(THIS) PURE;

    /************************************************************************
     *	IHXProgressSinkControl methods
     */

    /* Type of progress sink */
    enum SINK_TYPE
    {
        FILE_MERGE_PROGRESS	= 0
    };
   
    /************************************************************************
     *	Method:
     *	    IHXProgressSinkControl::AddSink
     *	Purpose:
     *	    Adds sink.
     *	Parameters:
     *      nSinkType - [in] Type of progress sink 
     *	    pObj - [in] Object that supports the IHXProgressSink interface.
     */
    STDMETHOD(AddSink)	    (THIS_ SINK_TYPE nSinkType, IHXProgressSink* pObj) PURE;

    /************************************************************************
     *	Method:
     *	    IHXProgressSinkControl::RemoveSink
     *	Purpose:
     *	    Removes sink.
     *	Parameters:
     *      nSinkType - [in] Type of progress sink 
     *	    pObj - [in] Object that supports the IHXProgressSink interface.
     */
    STDMETHOD(RemoveSink)	    (THIS_ SINK_TYPE nSinkType, IHXProgressSink* pObj) PURE;

};

#endif //_PROGSINK_H_