hxpref.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 _HXPREFERENCES_
#define _HXPREFERENCES_

struct IHXScheduler;
class CPref;

#ifdef _UNIX
class HXPreferencesCallback;
#endif

#include "unkimp.h"
#include "hxprefs.h"
#include "hxstring.h"
#include "hxprefutil.h"

class HXPreferences :	public CUnknownIMP,
			public IHXPreferences,
			public IHXPreferences2,
			public IHXPreferences3
{
protected:
    CHXString			m_CompanyName;
    CHXString			m_ProductName;
    ULONG32			m_nProdMajorVer;
    ULONG32			m_nProdMinorVer;
    BOOL			m_bCommon;

public:
    HXPreferences();
    ~HXPreferences();

    DECLARE_UNKNOWN( HXPreferences )

    /************************************************************************
     *	Method:
     *		HXPreferences::Open
     *	Purpose:
     *		TBD
     */
    STDMETHOD(Open)			(THIS_
					    const char* pCompanyName, const char* pProductName, 
					    ULONG32 nProdMajorVer, ULONG32 nProdMinorVer);

    /************************************************************************
     *	Method:
     *		HXPreferences::OpenShared
     *	Purpose:
     *		Have this preference object read/write from the company wide shared
     *		location for all products
     */
    STDMETHOD(OpenShared)			(THIS_
						const char* pCompanyName);

    /************************************************************************
     *	Method:
     *		HXPreferences::OpenUserPref
     *	Purpose:
     *		Opens user-specific preferences on multi-user system.
     */
    STDMETHOD(OpenUserPref)		(THIS_
					    const char* pCompanyName, const char* pProductName, 
					    ULONG32 nProdMajorVer, ULONG32 nProdMinorVer);
    void      Close(void);

    /*
     * IHXPreferences methods
     */

    /************************************************************************
     *	Method:
     *		IHXPreferences::ReadPref
     *	Purpose:
     *		TBD
     */
    STDMETHOD(ReadPref)			(THIS_
					    const char* pPrefKey, IHXBuffer*& pBuffer);

    /************************************************************************
     *	Method:
     *		IHXPreferences::WritePref
     *	Purpose:
     *		TBD
     */
    STDMETHOD(WritePref)		(THIS_
					    const char* pPrefKey, IHXBuffer* pBuffer);


    /************************************************************************
     *	Method:
     *		IHXPreferences::GetPreferenceEnumerator
     *	Purpose:
     *		TBD
     */
    STDMETHOD(GetPreferenceEnumerator)(THIS_ 
					REF(IHXPreferenceEnumerator*) /*OUT*/ pEnum);

    /************************************************************************
     *	Method:
     *		IHXPreferences2::SetRoot
     *	Purpose:
     *		Reset the root of the preferences
     */

    STDMETHOD(ResetRoot)(THIS_ const char* pCompanyName, const char* pProductName, 
    int nProdMajorVer, int nProdMinorVer);

    /************************************************************************
     *	Method:
     *		IHXPreferences::DeletePref
     *	Purpose:
     *		TBD
     */
    STDMETHOD(DeletePref)		(THIS_ const char* pPrefKey);


    /************************************************************************
     *	Method:
     *		HXPreferences::OpenSharedUser
     *	Purpose:
     *		Have this preference object read/write from the company wide shared
     *		location for all products on a multi-user system
     */
    STDMETHOD(OpenSharedUser)(THIS_ const char* pCompanyName);


#if defined(_UNIX) || defined(_CARBON)
    HX_RESULT CommitPrefs();
#endif

   HX_RESULT        SetContext(IUnknown* pContext);

protected:
    CPref*	    m_pPref;
    IUnknown*	    m_pContext;
#ifdef _UNIX
    HXPreferencesCallback* m_pCallback;
#endif
};

class HXPreferenceEnumerator :	public IHXPreferenceEnumerator
{
protected:
    LONG32			m_lRefCount;

public:
    HXPreferenceEnumerator(const char* pCompanyName, 
			    const char* pProductName, 
			    ULONG32 nProdMajorVer, 
			    ULONG32 nProdMinorVer,
			    BOOL bCommon);
    ~HXPreferenceEnumerator();

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

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

    /*
     * IHXPreferenceEnumerator methods
     */

    /************************************************************************
     *	Method:
     *		IHXPreferenceEnumerator::EndSubPref
     *	Purpose:
     *		TBD
     */

    STDMETHOD(BeginSubPref) (THIS_ const char* szSubPref);

    /************************************************************************
     *	Method:
     *		IHXPreferenceEnumerator::EndSubPref
     *	Purpose:
     *		TBD
     */

   STDMETHOD(EndSubPref) (THIS);

    /************************************************************************
     *	Method:
     *		IHXPreferenceEnumerator::GetPrefKey
     *	Purpose:
     *		TBD
     */

   STDMETHOD(GetPrefKey) (THIS_ UINT32 nIndex, REF(IHXBuffer*) pBuffer);

    /************************************************************************
     *	Method:
     *		IHXPreferenceEnumerator::ReadPref
     *	Purpose:
     *		TBD
     */
    STDMETHOD(ReadPref)			(THIS_
					    const char* pPrefKey, IHXBuffer*& pBuffer);


protected:
    CPref*	    m_pPref;
};

#endif /* _HXPREFERENCES_ */