/*  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 <e32debug.h>

#include "mediaobject.h"
#include "audiooutput.h"
#include "utils.h"

using namespace Phonon;
using namespace Phonon::MMF;

MMF::AudioOutput::AudioOutput(Backend *, QObject *parent) : m_mediaObject(NULL)
{
    setParent(parent);
}

qreal MMF::AudioOutput::volume() const
{
    TRACE_CONTEXT(AudioOutput::volume, EAudioApi);
    TRACE_ENTRY("m_mediaObject 0x%08x", m_mediaObject);

    const qreal result = m_mediaObject ? m_mediaObject->volume() : 0.0;

    TRACE_RETURN("%f", result);
}

void MMF::AudioOutput::setVolume(qreal volume)
{
    TRACE_CONTEXT(AudioOutput::setVolume, EAudioApi);
    TRACE_ENTRY("volume %f", volume);

    if(m_mediaObject and m_mediaObject->setVolume(volume))
    {
        TRACE("emit volumeChanged(%f)", volume)
        emit volumeChanged(volume);
    }

    TRACE_EXIT_0();
}

void MMF::AudioOutput::triggerVolumeChanged(qreal volume)
{
    emit volumeChanged(volume);
}

int MMF::AudioOutput::outputDevice() const
{
    return 0;
}

bool MMF::AudioOutput::setOutputDevice(int)
{
    return true;
}

bool MMF::AudioOutput::setOutputDevice(const Phonon::AudioOutputDevice &)
{
    return true;
}

void MMF::AudioOutput::setMediaObject(MediaObject *mo)
{
    Q_ASSERT(!m_mediaObject);
    m_mediaObject = mo;
}