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0001 /* This file is part of the KDE project 0002 Copyright (C) 2006-2008 Matthias Kretz <kretz@kde.org> 0003 0004 This library is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Lesser General Public 0006 License as published by the Free Software Foundation; either 0007 version 2.1 of the License, or (at your option) version 3, or any 0008 later version accepted by the membership of KDE e.V. (or its 0009 successor approved by the membership of KDE e.V.), Nokia Corporation 0010 (or its successors, if any) and the KDE Free Qt Foundation, which shall 0011 act as a proxy defined in Section 6 of version 3 of the license. 0012 0013 This library is distributed in the hope that it will be useful, 0014 but WITHOUT ANY WARRANTY; without even the implied warranty of 0015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0016 Lesser General Public License for more details. 0017 0018 You should have received a copy of the GNU Lesser General Public 0019 License along with this library. If not, see <http://www.gnu.org/licenses/>. 0020 0021 */ 0022 0023 #ifndef PHONON_EFFECTINTERFACE_H 0024 #define PHONON_EFFECTINTERFACE_H 0025 0026 #include "phononnamespace.h" 0027 #include <QVariant> 0028 0029 0030 #ifndef QT_NO_PHONON_EFFECT 0031 0032 namespace Phonon 0033 { 0034 class EffectParameter; 0035 /** \class EffectInterface effectinterface.h phonon/EffectInterface 0036 * \short Interface for Effect objects 0037 * 0038 * \author Matthias Kretz <kretz@kde.org> 0039 */ 0040 class EffectInterface 0041 { 0042 public: 0043 virtual ~EffectInterface() {} 0044 /** 0045 * Returns the EffectParameter objects to describe the parameters of this effect. 0046 */ 0047 virtual QList<EffectParameter> parameters() const = 0; 0048 /** 0049 * Returns the value for the selected parameter. 0050 */ 0051 virtual QVariant parameterValue(const EffectParameter &) const = 0; 0052 /** 0053 * Sets the value for the selected parameter. 0054 */ 0055 virtual void setParameterValue(const EffectParameter &, const QVariant &newValue) = 0; 0056 }; 0057 } //namespace Phonon 0058 0059 Q_DECLARE_INTERFACE(Phonon::EffectInterface, "EffectInterface0.phonon.kde.org") 0060 0061 #endif //QT_NO_PHONON_EFFECT 0062 0063 0064 #endif // PHONON_EFFECTINTERFACE_H