addupcol.cpp

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 ***** */ 

#include "hlxclib/string.h"
#include "hxtypes.h"
#include "hxcom.h"
#include "ihxpckts.h"
#include "hxccf.h"
#include "hxupgrd.h"
#include "addupcol.h"

HX_RESULT AddToAutoUpgradeCollection(const char* pszUpgradeString,
                                     IUnknown*   pContext)
{
    HX_RESULT retVal = HXR_FAIL;

    if (pszUpgradeString && pContext)
    {
        INT32 lLen = strlen(pszUpgradeString);
        if (lLen > 0)
        {
            IHXUpgradeCollection* pUpColl = NULL;
            pContext->QueryInterface(IID_IHXUpgradeCollection, (void**) &pUpColl);
            if (pUpColl)
            {
                IHXCommonClassFactory* pCCF = NULL;
                pContext->QueryInterface(IID_IHXCommonClassFactory, (void**) &pCCF);
                if (pCCF)
                {
                    IHXBuffer* pStr = NULL;
                    pCCF->CreateInstance(CLSID_IHXBuffer, (void**) &pStr);
                    if (pStr)
                    {
                        retVal = pStr->Set((BYTE*) pszUpgradeString, lLen + 1);
                        if (SUCCEEDED(retVal))
                        {
                            retVal = pUpColl->Add(eUT_Required, pStr, 0, 0);
                        }
                    }
                    HX_RELEASE(pStr);
                }
                HX_RELEASE(pCCF);
            }
            HX_RELEASE(pUpColl);
        }
    }

    return retVal;
}