/*  This file is part of the KDE project.

    Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

    This library is free software: you can redistribute it and/or modify

    it under the terms of the GNU Lesser General Public License as published by

    the Free Software Foundation, either version 2.1 or 3 of the License.

    This library 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License

    along with this library.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef Phonon_QT7_AUDIOEFFECTS_H

#define Phonon_QT7_AUDIOEFFECTS_H

#include <QtCore/QVariant>

#include <QtCore/QHash>

#include <phonon/effectinterface.h>

#include <phonon/effectparameter.h>

#include "medianode.h"

#include "audionode.h"

QT_BEGIN_NAMESPACE

namespace Phonon

{

namespace QT7

{

    class AudioEffectAudioNode : public AudioNode

    {

        public:

            AudioEffectAudioNode(int effectType);

            int m_effectType;

            ComponentDescription getAudioNodeDescription() const;

            void initializeAudioUnit();

            QVariant parameterValue(const Phonon::EffectParameter &value) const;

            void setParameterValue(const Phonon::EffectParameter &parameter, const QVariant &newValue);

        private:

            QHash<int, float> m_alteredParameters;

    };

///////////////////////////////////////////////////////////////////////

    class AudioEffect : public MediaNode, Phonon::EffectInterface

    {

        Q_OBJECT

        Q_INTERFACES(Phonon::EffectInterface)

        public:

            AudioEffect(int effectType, QObject *parent = 0);

            AudioEffectAudioNode *m_audioNode;

            QString name();

            QString description();

            // EffectInterface:

            virtual QList<Phonon::EffectParameter> parameters() const;

            virtual QVariant parameterValue(const Phonon::EffectParameter &parameter) const;

            virtual void setParameterValue(const Phonon::EffectParameter &parameter, const QVariant &newValue);

            static QList<int> effectList();

        private:

            Phonon::EffectParameter createParameter(const AudioUnit &audioUnit, const AudioUnitParameterID &id) const;

    };

}} //namespace Phonon::QT7

QT_END_NAMESPACE

#endif // Phonon_QT7_AUDIOEFFECTS_H