addupcol.cpp

symbian 下的helix player源代码

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: addupcol.cpp,v 1.2.28.3 2004/07/09 01:48:15 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (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.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * 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;
}