commreg.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 _COMM_REG_H_
#define _COMM_REG_H_

#include "hxtypes.h"
#include "hxcom.h"
#include "hxmon.h"
#include "db_misc.h"

class Property;
class DB_implem;
class DB_node;
class CHXID;
class WatchList;
class Key;
class PropWatch;
class WListElem;

struct IHXBuffer;
struct IHXValues;


/*
 * 
 *  Class:
 *
 *	CommonRegistry
 *
 *  Purpose:
 *
 *     this is the common registry which is going to be shared by the client
 *  and the server. it acts like a bridge between the interface and the 
 *  implementation based on a model taken from the book 
 *  "design patterns" by gamma, helm, johnson and vlissides.
 * 
 */
class CommonRegistry
{
public:
			CommonRegistry();
			~CommonRegistry();

    UINT32 		AddComp(const char* pName);

    UINT32 		AddInt(const char* pName, const INT32 iValue);
    HX_RESULT 		GetInt(const char* pName, INT32* iValue) const;
    HX_RESULT 		GetInt(const UINT32 id, INT32* iValue) const;
    HX_RESULT 		SetInt(const char* pName, const INT32 iValue);
    HX_RESULT 		SetInt(const UINT32 id, const INT32 iValue);

    UINT32 		AddStr(const char* pName, IHXBuffer* pValue);
    HX_RESULT 		SetStr(const char* pName, IHXBuffer* pValue);
    HX_RESULT 		SetStr(const UINT32 id, IHXBuffer* pValue);
    HX_RESULT 		GetStr(const char* pName, 
			       REF(IHXBuffer*) pcValue) const;
    HX_RESULT 		GetStr(const UINT32 id, REF(IHXBuffer*) pcValue) const;

    UINT32 		AddBuf(const char* pName, IHXBuffer* pBuf);
    HX_RESULT 		GetBuf(const char* pName, IHXBuffer** ppBuf) const;
    HX_RESULT 		GetBuf(const UINT32 id, IHXBuffer** ppBuf) const;
    HX_RESULT 		SetBuf(const char* pName, IHXBuffer* pBuf);
    HX_RESULT 		SetBuf(const UINT32 id, IHXBuffer* pBuf);
    HX_RESULT		SetReadOnly(const char* pName, BOOL bValue);
    HX_RESULT		SetReadOnly(UINT32 ulRegId, BOOL bValue);

    UINT32 		AddIntRef(const char* pName, INT32* piValue);

    UINT32 		Del(const char* pName);
    UINT32 		Del(const UINT32 key);

    HXPropType 	GetType(const char* pName) const;
    HXPropType 	GetType(const UINT32 id) const;
    HX_RESULT		GetPropList(IHXValues*& pValues) const;
    HX_RESULT		GetPropList(const char* pName,
				    IHXValues*& pValues) const;
    HX_RESULT		GetPropList(const UINT32 id,
				    IHXValues*& pValues) const;
    HX_RESULT		Copy(const char* pFrom, const char* pTo);
    HX_RESULT		SetStringAccessAsBufferById(UINT32 ulId);

    UINT32		FindParentKey(const char* pName);
    UINT32		FindParentKey(const UINT32 id);
    INT32 		Count() const;
    INT32 		Count(const char* pName) const;
    INT32 		Count(const UINT32 id) const;

    HX_RESULT		GetPropName(const UINT32 ulId, 
				    IHXBuffer*& prop_name) const;
    UINT32		GetId(const char* prop_name) const;

    virtual HX_RESULT     AddDone(DB_implem* db_level, DB_node* new_node,
                                  DB_node* parent_node, Property* parent_prop);
    virtual HX_RESULT     SetDone(DB_node* new_node, Property* new_prop);
    virtual HX_RESULT     DeleteDone(DB_implem* db_level, DB_node* node,
                                     Property* prop);

    /*
     * Watch specific methods
     */
    UINT32		SetWatch(PropWatch* pPropWatch);
    UINT32		SetWatch(const char* pName, PropWatch* pPropWatch);
    UINT32		SetWatch(const UINT32 id, PropWatch* pPropWatch);
    HX_RESULT		SetTrickleWatch(const char* pParName, 
					const char* pTargetName,
				        PropWatch* pPropWatch);

    HX_RESULT		ClearWatch(IHXPropWatchResponse* pResonse=NULL);
    HX_RESULT		ClearWatch(const char* pName, IHXPropWatchResponse* pResonse=NULL);
    HX_RESULT		ClearWatch(const UINT32 id, IHXPropWatchResponse* pResonse=NULL);

    HX_RESULT		DeleteWatch(Property* p, WListElem* wle);
    HX_RESULT           m_LastError;

protected:
    virtual DB_node*	_addComp(Key* k, char* key_str, DB_implem* ldb);
    virtual DB_node*	_addInt(Key* k, char* key_str, INT32 val, 
				DB_implem* ldb);
    virtual DB_node*	_addBuf(Key* k, char* key_str, IHXBuffer* buf, 
				DB_implem* ldb, 
				HXPropType val_type = PT_BUFFER);
    virtual DB_node*	_addIntRef(Key* k, char* key_str, INT32* val, 
				   DB_implem* ldb);

    virtual HX_RESULT	_clearWatch(IHXPropWatchResponse* pResonse);
    virtual HX_RESULT	_clearWatch(Property*, IHXPropWatchResponse* pResonse);
    virtual void	_dispatchCallbacks(DB_node*, Property*, DB_Event);
    virtual void 	_dispatchParentCallbacks(DB_implem*, DB_node*, 
						 DB_Event);
   
    virtual HX_RESULT	_find(DB_node**, Property**, const char*) const;

    virtual UINT32	_Del(DB_implem*, DB_node*, Property*, UINT32);
    virtual HX_RESULT	_del(DB_implem*);
    HX_RESULT		_getPropList(DB_implem*, IHXValues*& pValues) const;
    HX_RESULT		_setReadOnly(Property* pProp, BOOL bValue);
    UINT32		_buildSubstructure4Prop(const char* pFailurePoint,
			    const char* pProp);

    DB_implem*  		_logdb_imp;
    CHXID*			_ids;
    INT32			_count;		// num of elems in the DB
    
    WatchList*			m_pWatchList;
    int				m_lWatchCount;	// count num of Watches
};

#endif // _COMM_REG_H_