1 /*  This file is part of the KDE project
2     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). <thierry.bastian@trolltech.com>
3 
4     This library is free software; you can redistribute it and/or
5     modify it under the terms of the GNU Lesser General Public
6     License as published by the Free Software Foundation; either
7     version 2.1 of the License, or (at your option) version 3, or any
8     later version accepted by the membership of KDE e.V. (or its
9     successor approved by the membership of KDE e.V.), Nokia Corporation
10     (or its successors, if any) and the KDE Free Qt Foundation, which shall
11     act as a proxy defined in Section 6 of version 3 of the license.
12 
13     This library is distributed in the hope that it will be useful,
14     but WITHOUT ANY WARRANTY; without even the implied warranty of
15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16     Lesser General Public License for more details.
17 
18     You should have received a copy of the GNU Lesser General Public
19     License along with this library.  If not, see <http://www.gnu.org/licenses/>.
20 
21 */
22 
23 #ifndef PHONON_VOLUMEFADERINTERFACE_H
24 #define PHONON_VOLUMEFADERINTERFACE_H
25 
26 #include "volumefadereffect.h"
27 #include <QtCore/QObject>
28 
29 QT_BEGIN_HEADER
30 QT_BEGIN_NAMESPACE
31 
32 #ifndef QT_NO_PHONON_VOLUMEFADEREFFECT
33 
34 namespace Phonon
35 {
36 class VolumeFaderInterface
37 {
38     public:
~VolumeFaderInterface()39         virtual ~VolumeFaderInterface() {}
40 
volume()41         virtual float volume() const { return 1.0; }
setVolume(float)42         virtual void setVolume(float) {}
fadeCurve()43         virtual Phonon::VolumeFaderEffect::FadeCurve fadeCurve() const {
44             return VolumeFaderEffect::Fade3Decibel;
45         }
setFadeCurve(Phonon::VolumeFaderEffect::FadeCurve)46         virtual void setFadeCurve(Phonon::VolumeFaderEffect::FadeCurve) {}
fadeTo(float,int)47         virtual void fadeTo(float, int) {}
48 };
49 }
50 
51 Q_DECLARE_INTERFACE(Phonon::VolumeFaderInterface, "VolumeFaderInterface4.phonon.kde.org")
52 
53 #endif //QT_NO_PHONON_VOLUMEFADEREFFECT
54 
55 QT_END_NAMESPACE
56 QT_END_HEADER
57 
58 #endif // PHONON_VOLUMEFADERINTERFACE_H
59