decinfostore.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 
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 * 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. 
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 * This file, and the files included with this file, is distributed and made 
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 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
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 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
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 * Technology Compatibility Kit Test Suite(s) Location: 
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 * ***** END LICENSE BLOCK ***** */ 

#include "decinfostore.h"
#include "hxstrutl.h"
#include <string.h>

DecoderInfoStore::DecoderInfoStore()
{}

DecoderInfoStore::~DecoderInfoStore()
{
    CDecoderInfo* pDecoderInfo;

    while (!m_DecoderInfoList.IsEmpty())
    {
	pDecoderInfo = (CDecoderInfo*) m_DecoderInfoList.RemoveHead();
	delete pDecoderInfo;
    }
}

CDecoderInfo* DecoderInfoStore::GetInfoFirst(const char* pMimeType)
{
    m_InfoListItr = m_DecoderInfoList.Begin();

    return GetInfo(pMimeType, m_InfoListItr);
}

CDecoderInfo* DecoderInfoStore::GetInfoNext(const char* pMimeType)
{
    if (m_InfoListItr != m_DecoderInfoList.End())
    {
	++m_InfoListItr;
    }

    return GetInfo(pMimeType, m_InfoListItr);
}

CDecoderInfo* DecoderInfoStore::GetInfo(const char* pMimeType,
					CHXSimpleList::Iterator& itr)
{
    CDecoderInfo* pDecoderInfo = NULL;

    for(;(itr != m_DecoderInfoList.End()); ++itr)
    {
	pDecoderInfo = (CDecoderInfo*)(*itr);

	if (pDecoderInfo->IsMatch(pMimeType))
	{
	    break;
	}

	pDecoderInfo = NULL;
    }

    return pDecoderInfo;
}

void DecoderInfoStore::RegisterInfo(CDecoderInfo* pDecoderInfo)
{
    if (pDecoderInfo)
    {
	m_DecoderInfoList.AddTail((void*) pDecoderInfo);
    }
}