1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@via.ecp.fr>
8 * Olivier Teulière <ipkiss@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 #ifndef VAR_PERCENT_HPP
26 #define VAR_PERCENT_HPP
28 #include "variable.hpp"
29 #include "observer.hpp"
34 /// Percentage variable
35 class VarPercent: public Variable, public Subject<VarPercent, void*>
38 VarPercent( intf_thread_t *pIntf ): Variable( pIntf ), m_value( 0 ) {}
39 virtual ~VarPercent() {}
41 /// Get the variable type
42 virtual const string &getType() const { return m_type; }
44 /// Set the internal value
45 virtual void set( float percentage );
46 virtual float get() const { return m_value; }
50 static const string m_type;