nxtgrmgr.h
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上传日期:2007-06-06
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文件大小:4k
- /* ***** 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 _NEXTGROUPMANAGER_
- #define _NEXTGROUPMANAGER_
- class HXPlayer;
- class CHXSimpleList;
- class CHXString;
- class SourceInfo;
- struct IHXGroup;
- struct IHXInterruptState;
- class NextGroupManager
- {
- public:
- NextGroupManager(HXPlayer* pPlayer);
- ~NextGroupManager();
- void Init();
- HX_RESULT SetCurrentGroup(UINT16 uGroupNumber, IHXGroup* pGroup);
- HX_RESULT GetCurrentGroup(UINT16& uCurrentGroup, IHXGroup*& pGroup);
- HX_RESULT AddSource(SourceInfo* pSourceInfo);
- UINT16 GetNumSources(void);
- HX_RESULT GetSource(UINT16 uIndex, SourceInfo*& pSourceInfo);
- HX_RESULT RemoveSource(UINT16 uIndex, SourceInfo*& pSourceInfo);
- HX_RESULT RemoveSource(SourceInfo* pSourceInfo);
- void RemoveAllSources(void);
- BOOL Lookup(HXSource* pSource, SourceInfo*& pSourceInfo);
- HX_RESULT CanBeStarted(HXSource* pSource, SourceInfo* pThisSourceInfo);
-
- HX_RESULT ProcessIdle(void);
-
- void SetLastError(HX_RESULT theErr, HXSource* pSource = NULL,
- char* pUserString = NULL);
- HX_RESULT GetLastError(HXSource*& pSource, const char*& pUserString)
- {pSource = m_pErrorSource; pUserString = m_UserString; return m_LastError;};
- BOOL ReportError (HXSource* pSource,
- HX_RESULT theErr, const char* pUserString = NULL);
- void Cleanup(void);
- void StopPreFetch(void);
- void ContinuePreFetch(void);
- HX_RESULT AddRepeatTrack(UINT16 uTrackIndex, IHXValues* pTrack);
- protected:
- HXPlayer* m_pPlayer;
- IHXInterruptState* m_pInterruptState;
- CHXSimpleList* m_pSourceList;
- HX_RESULT m_LastError;
- CHXString m_UserString;
- UINT16 m_uGroupNumber : 16;
- HX_BITFIELD m_bStopPrefetch : 1;
- IHXGroup* m_pGroup;
- HXSource* m_pErrorSource;
- HX_RESULT GetSourceInfo(UINT16 uTrackIndex, SourceInfo*& pSourceInfo);
- };
- #endif /*_NEXTGROUPMANAGER_*/