hxtac.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 _MASTERTAC_H_
#define _MASTERTAC_H_



typedef enum _TACStatus
{
    TAC_Pending = 0,
    TAC_Source = 1,
    TAC_Track = 2,
    TAC_Group = 3
} TACStatus;

#define NUMB_TAC_NAMES 6

// forward class declares
class HXPlayer;
class HXClientRegistry;
class HXBasicGroupManager;



// HXMasterTAC class definition
class HXMasterTAC 
#if defined(HELIX_FEATURE_REGISTRY)
		: public IHXPropWatchResponse
#endif /* HELIX_FEATURE_REGISTRY */
{

public:
    HXMasterTAC(HXBasicGroupManager* pGroupManager);
    virtual ~HXMasterTAC();

    void		SetRegistry(HXClientRegistry* pRegistry, UINT32 ID);

    void		SetTAC(IHXValues* tacProps, TACStatus status);
    void		ResetTAC(BOOL bResetStatus = TRUE, BOOL bClearMasterProps = FALSE);
    BOOL		CheckTrackAndSourceOnTrackStarted(INT32 nGroup, INT32 nTrack, UINT32 sourceID);

    BOOL		CheckTrackForTACInfo(INT32 nGroup, INT32 nTrack);
    BOOL		CheckSourceForTACInfo(INT32 nGroup, INT32 nTrack, UINT32 sourceID);

    BOOL		CheckGroupForTACInfo(INT32 nGroup);

    BOOL		IsTACComplete(IHXValues* pProps);
    void		Close();

protected:
    LONG32		m_lRefCount;

public:

    /*
     * IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

#if defined(HELIX_FEATURE_REGISTRY)
    //IHXPropWatchResponse methods
    STDMETHOD(AddedProp)	(THIS_
				const UINT32		id,
				const HXPropType   	propType,
				const UINT32		ulParentHash);

    STDMETHOD(ModifiedProp)	(THIS_
				const UINT32		id,
				const HXPropType   	propType,
				const UINT32		ulParentHash);

    STDMETHOD(DeletedProp)	(THIS_
				const UINT32		id,
				const UINT32		ulParentHash);
#endif /* HELIX_FEATURE_REGISTRY */

private:
#if defined(HELIX_FEATURE_REGISTRY)
    HXClientRegistry*		m_pRegistry;
#endif /* HELIX_FEATURE_REGISTRY */
    HXBasicGroupManager*	m_pGroupManager;

    IHXValues*			m_pTACProps;
    TACStatus			m_tacStatus;
    IHXPropWatch*		m_pTACPropWatch;
    //UINT32			m_tacPropIDs[4];
    CHXSimpleList*		m_ptacPropIDs;
    UINT32              m_masterTACPropIDs[NUMB_TAC_NAMES];

    void    RetrieveTACProperties(IHXValues* pFromProps);
};

// TAC data class
class TACData
{
public:
    TACData()
    {
	m_titleID = 0;
	m_authorID = 0;
	m_copyrightID = 0;
	m_abstractID = 0;
	m_keywordsID = 0;
	m_descriptionID = 0;
    }

    UINT32 FindMasterIndex(UINT32 sourcePropID);
    void ClearAll(IHXPropWatch* pPropWatch);
    BOOL IsIDPresent(UINT32 sourcePropID);
    void Clear(UINT32 sourcePropID);
    void SetPropAndWatch(UINT32 n, UINT32 propID, IHXPropWatch* pPropWatch);

    static const UINT32 NoFind;

    UINT32 m_titleID;
    UINT32 m_authorID;
    UINT32 m_copyrightID;
    UINT32 m_abstractID;
    UINT32 m_keywordsID;
    UINT32 m_descriptionID;
};

#endif	// _MASTERTAC_H_