/*  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 <QApplication>    // for QApplication::activeWindow

#include <QUrl>

#include <QTimer>

#include <QWidget>

#include <coemain.h>    // for CCoeEnv

#include <coecntrl.h>

#include "mmf_videoplayer.h"

#include "utils.h"

#ifndef QT_NO_DEBUG

#include "objectdump.h"

#endif

QT_BEGIN_NAMESPACE

using namespace Phonon;

using namespace Phonon::MMF;

/*! \class MMF::VideoPlayer

  \internal

*/

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

// Constructor / destructor

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

MMF::VideoPlayer::VideoPlayer()

        :   m_wsSession(CCoeEnv::Static()->WsSession())

        ,   m_screenDevice(*CCoeEnv::Static()->ScreenDevice())

        ,   m_window(0)

        ,   m_totalTime(0)

{

    construct();

}

MMF::VideoPlayer::VideoPlayer(const AbstractPlayer& player)

        :   AbstractMediaPlayer(player)

        ,   m_wsSession(CCoeEnv::Static()->WsSession())

        ,   m_screenDevice(*CCoeEnv::Static()->ScreenDevice())

        ,   m_window(0)

        ,   m_totalTime(0)

{

    construct();

}

void MMF::VideoPlayer::construct()

{

    TRACE_CONTEXT(VideoPlayer::VideoPlayer, EVideoApi);

    TRACE_ENTRY_0();

    const TInt priority = 0;

    const TMdaPriorityPreference preference = EMdaPriorityPreferenceNone;

    TRAPD(err,

        m_player.reset(CVideoPlayerUtility::NewL

            (

                 *this,

                 priority, preference,

                 m_wsSession, m_screenDevice,

                 *m_window,

            ))

        );

    if (KErrNone != err)

        changeState(ErrorState);

    TRACE_EXIT_0();

}

MMF::VideoPlayer::~VideoPlayer()

{

    TRACE_CONTEXT(VideoPlayer::~VideoPlayer, EVideoApi);

    TRACE_ENTRY_0();

    TRACE_EXIT_0();

}

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

// Public API

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

void MMF::VideoPlayer::doPlay()

{

    TRACE_CONTEXT(VideoPlayer::doPlay, EVideoApi);

    m_player->Play();

}

void MMF::VideoPlayer::doPause()

{

    TRACE_CONTEXT(VideoPlayer::doPause, EVideoApi);

    TRAPD(err, m_player->PauseL());

    if (KErrNone != err) {

        TRACE("PauseL error %d", err);

        setError(NormalError);

    }

}

void MMF::VideoPlayer::doStop()

{

    m_player->Stop();

}

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

{

    TRACE_CONTEXT(VideoPlayer::doSeek, EVideoApi);

    bool wasPlaying = false;

    if (state() == PlayingState) {

        // The call to SetPositionL does not have any effect if playback is

        // ongoing, so we pause before seeking.

        doPause();

        wasPlaying = true;

    }

    TRAPD(err, m_player->SetPositionL(TTimeIntervalMicroSeconds(ms * 1000)));

    if (KErrNone == err) {

        if (wasPlaying)

            doPlay();

    }

    else {

        TRACE("SetPositionL error %d", err);

        setError(NormalError);

    }

}

int MMF::VideoPlayer::setDeviceVolume(int mmfVolume)

{

    TRAPD(err, m_player->SetVolumeL(mmfVolume));

    return err;

}

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

{

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

    return err;

}

void MMF::VideoPlayer::close()

{

    m_player->Close();

}

bool MMF::VideoPlayer::hasVideo() const

{

    return true;

}

qint64 MMF::VideoPlayer::currentTime() const

{

    TRACE_CONTEXT(VideoPlayer::currentTime, EVideoApi);

    TTimeIntervalMicroSeconds us;

    TRAPD(err, us = m_player->PositionL())

    qint64 result = 0;

    if (KErrNone == err) {

        result = toMilliSeconds(us);

    } else {

        TRACE("PositionL error %d", err);

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

        // the error.

        const_cast<VideoPlayer*>(this)->setError(NormalError);

    }

    return result;

}

qint64 MMF::VideoPlayer::totalTime() const

{

    return m_totalTime;

}

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

// MVideoPlayerUtilityObserver callbacks

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

void MMF::VideoPlayer::MvpuoOpenComplete(TInt aError)

{

    TRACE_CONTEXT(VideoPlayer::MvpuoOpenComplete, EVideoApi);

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

    __ASSERT_ALWAYS(LoadingState == state(), Utils::panic(InvalidStatePanic));

    if (KErrNone == aError)

        m_player->Prepare();

    else

        setError(NormalError);

    TRACE_EXIT_0();

}

void MMF::VideoPlayer::MvpuoPrepareComplete(TInt aError)

{

    TRACE_CONTEXT(VideoPlayer::MvpuoPrepareComplete, EVideoApi);

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

    __ASSERT_ALWAYS(LoadingState == state(), Utils::panic(InvalidStatePanic));

    TRAPD(err, doPrepareCompleteL(aError));

    if (KErrNone == err) {

        maxVolumeChanged(m_player->MaxVolume());

        if (m_videoOutput)

        emit totalTimeChanged(totalTime());

        changeState(StoppedState);

    } else {

        setError(NormalError);

    }

    TRACE_EXIT_0();

}

void MMF::VideoPlayer::doPrepareCompleteL(TInt aError)

{

    User::LeaveIfError(aError);

    // Get frame size

    TSize size;

    m_player->VideoFrameSizeL(size);

    // Get duration

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

}

void MMF::VideoPlayer::MvpuoFrameReady(CFbsBitmap &aFrame, TInt aError)

{

    TRACE_CONTEXT(VideoPlayer::MvpuoFrameReady, EVideoApi);

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

    // TODO

    Q_UNUSED(aFrame);

    Q_UNUSED(aError);   // suppress warnings in release builds

    TRACE_EXIT_0();

}

void MMF::VideoPlayer::MvpuoPlayComplete(TInt aError)

{

    TRACE_CONTEXT(VideoPlayer::MvpuoPlayComplete, EVideoApi)

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

    Q_UNUSED(aError);   // suppress warnings in release builds

    changeState(StoppedState);

    TRACE_EXIT_0();

}

void MMF::VideoPlayer::MvpuoEvent(const TMMFEvent &aEvent)

{

    TRACE_CONTEXT(VideoPlayer::MvpuoEvent, EVideoApi);

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

    // TODO

    Q_UNUSED(aEvent);

    TRACE_EXIT_0();

}

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

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

{

    }

    TRACE_EXIT_0();

}