/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the documentation of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

//! [snippet]

QObject *Backend::createObject(BackendInterface::Class c, QObject *parent, const QList<QVariant> &args)

{

    switch (c) {

    case MediaObjectClass:

        return new MediaObject(parent);

    case VolumeFaderEffectClass:

        return new VolumeFaderEffect(parent);

    case AudioOutputClass:

        return new AudioOutput(parent);

    case AudioDataOutputClass:

        return new AudioDataOutput(parent);

    case VisualizationClass:

        return new Visualization(parent);

    case VideoDataOutputClass:

        return new VideoDataOutput(parent);

    case EffectClass:

        return new Effect(args[0].toInt(), parent);

    case VideoWidgetClass:

        return new VideoWidget(qobject_cast<QWidget *>(parent));

    }

    return 0;

}

QSet<int> Backend::objectDescriptionIndexes(ObjectDescriptionType type) const

{

    QSet<int> set;

    switch(type)

    {

    case Phonon::AudioOutputDeviceType:

        // use AudioDeviceEnumerator to list ALSA and OSS devices

        set << 10000 << 10001;

        break;

    case Phonon::AudioCaptureDeviceType:

        set << 20000 << 20001;

        break;

    case Phonon::VideoOutputDeviceType:

        break;

    case Phonon::VideoCaptureDeviceType:

        set << 30000 << 30001;

        break;

    case Phonon::VisualizationType:

    case Phonon::AudioCodecType:

    case Phonon::VideoCodecType:

    case Phonon::ContainerFormatType:

        break;

    case Phonon::EffectType:

        set << 0x7F000001;

        break;

    }

    return set;

}

QHash<QByteArray, QVariant> Backend::objectDescriptionProperties(ObjectDescriptionType type, int index) const

{

    QHash<QByteArray, QVariant> ret;

    switch (type) {

    case Phonon::AudioOutputDeviceType:

        switch (index) {

        case 10000:

            ret.insert("name", QLatin1String("internal Soundcard"));

            break;

        case 10001:

            ret.insert("name", QLatin1String("USB Headset"));

            ret.insert("icon", KIcon("usb-headset"));

            ret.insert("available", false);

            break;

        }

        break;

    case Phonon::AudioCaptureDeviceType:

        switch (index) {

        case 20000:

            ret.insert("name", QLatin1String("Soundcard"));

            ret.insert("description", QLatin1String("first description"));

            break;

        case 20001:

            ret.insert("name", QLatin1String("DV"));

            ret.insert("description", QLatin1String("second description"));

            break;

        }

        break;

    case Phonon::VideoOutputDeviceType:

        break;

    case Phonon::VideoCaptureDeviceType:

        switch (index) {

        case 30000:

            ret.insert("name", QLatin1String("USB Webcam"));

            ret.insert("description", QLatin1String("first description"));

            break;

        case 30001:

            ret.insert("name", QLatin1String("DV"));

            ret.insert("description", QLatin1String("second description"));

            break;

        }

        break;

    case Phonon::VisualizationType:

        break;

    case Phonon::AudioCodecType:

        break;

    case Phonon::VideoCodecType:

        break;

    case Phonon::ContainerFormatType:

        break;

    case Phonon::EffectType:

        switch (index) {

        case 0x7F000001:

            ret.insert("name", QLatin1String("Delay"));

            ret.insert("description", QLatin1String("Simple delay effect with time, feedback and level controls."));

            break;

        }

        break;

    }

    return ret;

}

//! [snippet]