/*  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/>.

*/

#include <QObject>

#include <QCoreApplication>

#include <AudioEqualizerBase.h>

#include <BassBoostBase.h>

#include <DistanceAttenuationBase.h>

#include <DopplerBase.h>

#include <EnvironmentalReverbBase.h>

#include <ListenerOrientationBase.h>

#include <LocationBase.h>

#include <LoudnessBase.h>

#include <SourceOrientationBase.h>

#include <StereoWideningBase.h>

#include "audioequalizer.h"

#include "bassboost.h"

#include "effectfactory.h"

QT_BEGIN_NAMESPACE

using namespace Phonon;

using namespace Phonon::MMF;

/*! \class MMF::EffectFactory

  \internal

*/

QHash<QByteArray, QVariant> EffectFactory::constructEffectDescription(const QString &name,

                                                                      const QString &description)

{

    QHash<QByteArray, QVariant> retval;

    retval.insert("name", name);

    retval.insert("description", description);

    retval.insert("available", true);

    return retval;

}

QHash<QByteArray, QVariant> EffectFactory::audioEffectDescriptions(AbstractAudioEffect::Type type)

{

    switch (type)

    {

        case AbstractAudioEffect::EffectAudioEqualizer:

        case AbstractAudioEffect::EffectBassBoost:

        case AbstractAudioEffect::EffectDistanceAttenuation:

            return constructEffectDescription(QCoreApplication::translate("Phonon::MMF::EffectFactory", "Distance Attenuation"), "Distance Attenuation.");

        case AbstractAudioEffect::EffectEnvironmentalReverb:

            return constructEffectDescription(QCoreApplication::translate("Phonon::MMF::EffectFactory", "Environmental Reverb"), "Environmental Reverb.");

        case AbstractAudioEffect::EffectListenerOrientation:

            return constructEffectDescription(QCoreApplication::translate("Phonon::MMF::EffectFactory", "Environmental Reverb"), "Environmental Reverb.");

        case AbstractAudioEffect::EffectLoudness:

            return constructEffectDescription(QCoreApplication::translate("Phonon::MMF::EffectFactory", "Loudness"), "Loudness.");

        case AbstractAudioEffect::EffectSourceOrientation:

            return constructEffectDescription(QCoreApplication::translate("Phonon::MMF::EffectFactory", "Source Orientation"), "Source Orientation.");

        case AbstractAudioEffect::EffectStereoWidening:

            return constructEffectDescription(QCoreApplication::translate("Phonon::MMF::EffectFactory", "Stereo Widening"), "Stereo Widening.");

    }

    Q_ASSERT_X(false, Q_FUNC_INFO, "Unknown effect type.");

    return QHash<QByteArray, QVariant>();

}

AbstractAudioEffect *EffectFactory::createAudioEffect(AbstractAudioEffect::Type type,

                                                      QObject *parent)

{

    Q_ASSERT(parent);

    switch (type)

    {

        case AbstractAudioEffect::EffectBassBoost:

            return new BassBoost(parent);

        case AbstractAudioEffect::EffectAudioEqualizer:

            return new AudioEqualizer(parent);

        case AbstractAudioEffect::EffectDistanceAttenuation:

        case AbstractAudioEffect::EffectEnvironmentalReverb:

        case AbstractAudioEffect::EffectListenerOrientation:

        case AbstractAudioEffect::EffectLoudness:

        case AbstractAudioEffect::EffectSourceOrientation:

        case AbstractAudioEffect::EffectStereoWidening:

            ;

    }

    Q_ASSERT_X(false, Q_FUNC_INFO, "Unknown effect.");

    return 0;

}

template<typename TEffect>

bool isEffectSupported()

{

    AudioPlayer audioPlayer;

    QScopedPointer<TEffect> eff;

    TRAPD(errorCode, eff.reset(TEffect::NewL(*audioPlayer.player())));

    return errorCode != KErrNone;

}

QList<int> EffectFactory::effectIndexes()

{

    QList<int> retval;

    if (isEffectSupported<CAudioEqualizer>())

        retval.append(AbstractAudioEffect::EffectAudioEqualizer);

    if (isEffectSupported<CBassBoost>())

        retval.append(AbstractAudioEffect::EffectBassBoost);

    /* We haven't implemented these yet.

    if (isEffectSupported<CDistanceAttenuation>())

        retval.append(AbstractAudioEffect::EffectDistanceAttenuation);

    if (isEffectSupported<CEnvironmentalReverb>())

        retval.append(AbstractAudioEffect::EffectEnvironmentalReverb);

    if (isEffectSupported<CLoudness>())

        retval.append(AbstractAudioEffect::EffectLoudness);

    if (isEffectSupported<CListenerOrientation>())

        retval.append(AbstractAudioEffect::EffectListenerOrientation);

    if (isEffectSupported<CSourceOrientation>())

        retval.append(AbstractAudioEffect::EffectSourceOrientation);

    if (isEffectSupported<CStereoWidening>())

        retval.append(AbstractAudioEffect::EffectStereoWidening);

    */

    return retval;

}

QT_END_NAMESPACE