/*  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 <QDir>

#include <QUrl>

#include "audioplayer.h"

#include "utils.h"

QT_BEGIN_NAMESPACE

using namespace Phonon;

using namespace Phonon::MMF;

/*! \class MMF::AudioPlayer

  \internal

*/

//-----------------------------------------------------------------------------

// Constructor / destructor

//-----------------------------------------------------------------------------

MMF::AudioPlayer::AudioPlayer(MediaObject *parent, const AbstractPlayer *player)

        :   AbstractMediaPlayer(parent, player)

        ,   m_totalTime(0)

{

    construct();

}

void MMF::AudioPlayer::construct()

{

    TRACE_CONTEXT(AudioPlayer::AudioPlayer, EAudioApi);

    TRACE_ENTRY_0();

    NativePlayer *player = 0;

    QT_TRAP_THROWING(player = NativePlayer::NewL(*this, 0, EMdaPriorityPreferenceNone));

    m_player.reset(player);

    m_player->RegisterForAudioLoadingNotification(*this);

    TRACE_EXIT_0();

}

MMF::AudioPlayer::~AudioPlayer()

{

    TRACE_CONTEXT(AudioPlayer::~AudioPlayer, EAudioApi);

    TRACE_ENTRY_0();

    TRACE_EXIT_0();

}

MMF::AudioPlayer::NativePlayer *MMF::AudioPlayer::nativePlayer() const

{

    return m_player.data();

}

//-----------------------------------------------------------------------------

// Public API

//-----------------------------------------------------------------------------

void MMF::AudioPlayer::doPlay()

{

    m_player->Play();

}

void MMF::AudioPlayer::doPause()

{

    m_player->Pause();

}

void MMF::AudioPlayer::doStop()

{

    m_player->Stop();

}

void MMF::AudioPlayer::doSeek(qint64 ms)

{

    m_player->SetPosition(TTimeIntervalMicroSeconds(ms * 1000));

}

int MMF::AudioPlayer::setDeviceVolume(int mmfVolume)

{

    /* In SDK 3.1, SetVolume() returns void. If we're compiling against

     * 3.1, we handle it with ifdefs. However, if we compile against a later

     * SDK but are _running_ against 3.1, we avoid returning from an undefined

     * stack by doing a runtime check of the SDK version. */

#if !defined(__SERIES60_31__)

    const int err = m_player->SetVolume(mmfVolume);

    if (QSysInfo::s60Version() >= QSysInfo::SV_S60_3_2)

        return err;

    else

        return KErrNone;

 #else

     m_player->SetVolume(mmfVolume);

     return KErrNone;

#endif

}

int MMF::AudioPlayer::openFile(const QString &fileName)

{

    const QHBufC nativeFileName(QDir::toNativeSeparators(fileName));

    TRAPD(err, m_player->OpenFileL(*nativeFileName));

    return err;

}

int MMF::AudioPlayer::openFile(RFile& file)

{

    TRAPD(err, m_player->OpenFileL(file));

#ifdef QT_PHONON_MMF_AUDIO_DRM

    if (KErrNone == err) {

        // There appears to be a bug in the CDrmPlayerUtility implementation (at least

        // in S60 5.x) whereby the player does not check whether the loading observer

        // pointer is null before dereferencing it.  Therefore we must register for

        // loading notification, even though we do nothing in the callback functions.

        m_player->RegisterForAudioLoadingNotification(*this);

    }

#endif

    return err;

}

int MMF::AudioPlayer::openUrl(const QString& /*url*/, int /*iap*/)

{

    // Streaming playback is generally not supported by the implementation

    // of the audio player API, so we use CVideoPlayerUtility for both

    // audio and video streaming.

    Utils::panic(AudioUtilityUrlNotSupported);

    // Silence warning

    return 0;

}

int MMF::AudioPlayer::openDescriptor(const TDesC8 &des)

{

    TRAPD(err, m_player->OpenDesL(des));

    return err;

}

int MMF::AudioPlayer::bufferStatus() const

{

    int result = 0;

    TRAP_IGNORE(m_player->GetAudioLoadingProgressL(result));

    return result;

}

void MMF::AudioPlayer::doClose()

{

    m_player->Close();

}

bool MMF::AudioPlayer::hasVideo() const

{

    return false;

}

qint64 MMF::AudioPlayer::getCurrentTime() const

{

    TRACE_CONTEXT(AudioPlayer::getCurrentTime, EAudioApi);

    TTimeIntervalMicroSeconds us;

    const TInt err = m_player->GetPosition(us);

    qint64 result = 0;

    if (KErrNone == err) {

        result = toMilliSeconds(us);

    } else {

        TRACE("GetPosition err %d", err);

        // If we don't cast away constness here, we simply have to ignore

        // the error.

        const_cast<AudioPlayer*>(this)->setError(tr("Getting position failed"), err);

    }

    return result;

}

qint64 MMF::AudioPlayer::totalTime() const

{

    return m_totalTime;

}

//-----------------------------------------------------------------------------

// Symbian multimedia client observer callbacks

//-----------------------------------------------------------------------------

#ifdef QT_PHONON_MMF_AUDIO_DRM

void MMF::AudioPlayer::MdapcInitComplete(TInt aError,

        const TTimeIntervalMicroSeconds &)

#else

void MMF::AudioPlayer::MapcInitComplete(TInt aError,

                                        const TTimeIntervalMicroSeconds &)

#endif

{

    TRACE_CONTEXT(AudioPlayer::MapcInitComplete, EAudioInternal);

    TRACE_ENTRY("state %d error %d", state(), aError);

    __ASSERT_ALWAYS(LoadingState == state() ||

                    progressiveDownloadStalled() && BufferingState == state(),

                    Utils::panic(InvalidStatePanic));

    if (KErrNone == aError) {

        maxVolumeChanged(m_player->MaxVolume());

        m_totalTime = toMilliSeconds(m_player->Duration());

        emit totalTimeChanged(m_totalTime);

    }

    loadingComplete(aError);

    TRACE_EXIT_0();

}

#ifdef QT_PHONON_MMF_AUDIO_DRM

void MMF::AudioPlayer::MdapcPlayComplete(TInt aError)

#else

void MMF::AudioPlayer::MapcPlayComplete(TInt aError)

#endif

{

    TRACE_CONTEXT(AudioPlayer::MapcPlayComplete, EAudioInternal);

    TRACE_ENTRY("state %d error %d", state(), aError);

    // Call base class function which handles end of playback for both

    // audio and video clips.

    playbackComplete(aError);

    TRACE_EXIT_0();

}

#ifdef QT_PHONON_MMF_AUDIO_DRM

void MMF::AudioPlayer::MaloLoadingStarted()

{

}

void MMF::AudioPlayer::MaloLoadingComplete()

{

}

#endif // QT_PHONON_MMF_AUDIO_DRM

//-----------------------------------------------------------------------------

// MAudioLoadingObserver callbacks

//-----------------------------------------------------------------------------

void MMF::AudioPlayer::MaloLoadingStarted()

{

    bufferingStarted();

}

void MMF::AudioPlayer::MaloLoadingComplete()

{

    bufferingComplete();

}

//-----------------------------------------------------------------------------

// Private functions

//-----------------------------------------------------------------------------

int MMF::AudioPlayer::numberOfMetaDataEntries() const

{

    int numberOfEntries = 0;

    m_player->GetNumberOfMetaDataEntries(numberOfEntries); // ignoring return code

    return numberOfEntries;

}

QPair<QString, QString> MMF::AudioPlayer::metaDataEntry(int index) const

{

    CMMFMetaDataEntry *entry = 0;

    QT_TRAP_THROWING(entry = m_player->GetMetaDataEntryL(index));

    return QPair<QString, QString>(qt_TDesC2QString(entry->Name()), qt_TDesC2QString(entry->Value()));

}

QT_END_NAMESPACE