prefixprefs.h

FreeAMP(MP3播放)程序源代码-用来研究MP3解码

/*____________________________________________________________________________
	
	FreeAmp - The Free MP3 Player

	Portions Copyright (C) 1998-1999 EMusic.com
	Portions Copyright (C) 1999 Mark H. Weaver <[e-mail]>

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	
	$Id: prefixprefs.h,v 1.3 1999/10/19 07:12:46 elrod Exp $
____________________________________________________________________________*/


#ifndef INCLUDED_PREFIXPREFS_H
#define INCLUDED_PREFIXPREFS_H

#include "config.h"
#include "errors.h"
#include "preferences.h"


class PrefixPrefs : public Preferences {

 public:
    PrefixPrefs(Preferences *parent, const char *prefix);
    ~PrefixPrefs();

    virtual Error SetDefaults();
    virtual Error Save();

    virtual Preferences *ComponentPrefs(const char *componentName);

    virtual Error GetPrefString(const char* pref, char* buf, uint32* len);
    virtual Error SetPrefString(const char* pref, const char* buf);

    virtual Error GetPrefBoolean(const char* pref, bool* value);
    virtual Error SetPrefBoolean(const char* pref, bool value);

    virtual Error GetPrefInt32(const char* pref, int32* value);
    virtual Error SetPrefInt32(const char* pref, int32 value);

    virtual LibDirFindHandle *GetFirstLibDir(char *path, uint32 *len);
    virtual Error GetNextLibDir(LibDirFindHandle *hLibDirFind,
				char *path, uint32 *len);
    virtual Error GetLibDirClose(LibDirFindHandle *hLibDirFind);

    virtual const char *GetLibDirs();

 protected:
    Preferences *m_parent;
    char *m_prefix;
};

#endif /* _PREFIXPREFS_H */