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

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

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

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** 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.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#include "player.h"

#include "playercontrols.h"

#include "playlistmodel.h"

#include "videowidget.h"

#include <qmediaservice.h>

#include <qmediaplaylist.h>

#include <QtGui>

Player::Player(QWidget *parent)

    : QWidget(parent)

    , videoWidget(0)

    , coverLabel(0)

    , slider(0)

    , mediaKeysObserver(0)

    , playlistDialog(0)

#else

    , colorDialog(0)

{

    player = new QMediaPlayer(this);

    playlist->setMediaObject(player);

    connect(player, SIGNAL(durationChanged(qint64)), SLOT(durationChanged(qint64)));

    connect(player, SIGNAL(positionChanged(qint64)), SLOT(positionChanged(qint64)));

    connect(player, SIGNAL(metaDataChanged()), SLOT(metaDataChanged()));

    connect(playlist, SIGNAL(currentIndexChanged(int)), SLOT(playlistPositionChanged(int)));

    connect(player, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)),

            this, SLOT(statusChanged(QMediaPlayer::MediaStatus)));

    connect(player, SIGNAL(bufferStatusChanged(int)), this, SLOT(bufferingProgress(int)));

    videoWidget->setMediaObject(player);

    playlistModel = new PlaylistModel(this);

    playlistModel->setPlaylist(playlist);

    playlistView->setModel(playlistModel);

    playlistView->setCurrentIndex(playlistModel->index(playlist->currentIndex(), 0));

    connect(playlistView, SIGNAL(activated(QModelIndex)), this, SLOT(jump(QModelIndex)));

    slider->setRange(0, player->duration() / 1000);

    connect(slider, SIGNAL(sliderMoved(int)), this, SLOT(seek(int)));

    QPushButton *openButton = new QPushButton(tr("Open"), this);

    connect(openButton, SIGNAL(clicked()), this, SLOT(open()));

    PlayerControls *controls = new PlayerControls(this);

    controls->setState(player->state());

    controls->setVolume(player->volume());

    controls->setMuted(controls->isMuted());

    connect(controls, SIGNAL(play()), player, SLOT(play()));

    connect(controls, SIGNAL(pause()), player, SLOT(pause()));

    connect(controls, SIGNAL(stop()), player, SLOT(stop()));

    connect(controls, SIGNAL(next()), playlist, SLOT(next()));

    connect(controls, SIGNAL(changeVolume(int)), player, SLOT(setVolume(int)));

    connect(controls, SIGNAL(changeMuting(bool)), player, SLOT(setMuted(bool)));

    connect(controls, SIGNAL(changeRate(qreal)), player, SLOT(setPlaybackRate(qreal)));

    connect(player, SIGNAL(stateChanged(QMediaPlayer::State)),

            controls, SLOT(setState(QMediaPlayer::State)));

    connect(player, SIGNAL(volumeChanged(int)), controls, SLOT(setVolume(int)));

    connect(player, SIGNAL(mutedChanged(bool)), controls, SLOT(setMuted(bool)));

    QPushButton *fullScreenButton = new QPushButton(tr("FullScreen"), this);

    fullScreenButton->setCheckable(true);

    if (videoWidget != 0) {

        connect(fullScreenButton, SIGNAL(clicked(bool)), videoWidget, SLOT(setFullScreen(bool)));

        connect(videoWidget, SIGNAL(fullScreenChanged(bool)),

                fullScreenButton, SLOT(setChecked(bool)));

    } else {

        fullScreenButton->setEnabled(false);

    }

    if (videoWidget)

        connect(colorButton, SIGNAL(clicked()), this, SLOT(showColorDialog()));

    else

        colorButton->setEnabled(false);

#endif

#ifdef Q_OS_SYMBIAN

    // Set some sensible default volume.

    player->setVolume(50);

    QLabel *label = new QLabel(tr("Playlist"), this);

    QVBoxLayout *playlistDialogLayout = new QVBoxLayout;

    playlistDialogLayout->addWidget(label);

    playlistDialogLayout->addWidget(playlistView);

    playlistDialog = new QDialog(this);

    playlistDialog->setWindowTitle(tr("Playlist"));

    playlistDialog->setLayout(playlistDialogLayout);

    playlistDialog->setContextMenuPolicy(Qt::NoContextMenu);

    QAction *close = new QAction(tr("Close"), this);

    close->setSoftKeyRole(QAction::NegativeSoftKey);

    playlistDialog->addAction(close);

    mediaKeysObserver = new MediaKeysObserver(this);

    slider->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Maximum);

    slider->setMinimumSize(1, 1);

    connect(controls, SIGNAL(open()), this, SLOT(open()));

    connect(controls, SIGNAL(fullScreen(bool)), this, SLOT(handleFullScreen(bool)));

    connect(controls, SIGNAL(openPlayList()), this, SLOT(showPlayList()));

    connect(player, SIGNAL(stateChanged(QMediaPlayer::State)), this, SLOT(handleStateChange(QMediaPlayer::State)));

    connect(mediaKeysObserver, SIGNAL(mediaKeyPressed(MediaKeysObserver::MediaKeys)), this, SLOT(handleMediaKeyEvent(MediaKeysObserver::MediaKeys)));

    connect(close, SIGNAL(triggered()), playlistDialog, SLOT(reject()));

    QBoxLayout *layout = new QVBoxLayout;

    layout->addWidget(videoWidget, 7);

    layout->addWidget(slider, 1);

    layout->addWidget(controls, 2);

#else

    QBoxLayout *displayLayout = new QHBoxLayout;

    if (videoWidget)

        displayLayout->addWidget(videoWidget, 2);

    else

        displayLayout->addWidget(coverLabel, 2);

    displayLayout->addWidget(playlistView);

    QBoxLayout *controlLayout = new QHBoxLayout;

    controlLayout->setMargin(0);

    controlLayout->addWidget(openButton);

    controlLayout->addStretch(1);

    controlLayout->addWidget(controls);

    controlLayout->addStretch(1);

    controlLayout->addWidget(fullScreenButton);

    controlLayout->addWidget(colorButton);

    QBoxLayout *layout = new QVBoxLayout;

    layout->addLayout(displayLayout);

    layout->addWidget(slider);

    layout->addLayout(controlLayout);

    setLayout(layout);

    metaDataChanged();

    QStringList fileNames = qApp->arguments();

    fileNames.removeAt(0);

    foreach (QString const &fileName, fileNames) {

        if (fileName.startsWith(QLatin1String("http://")))

            playlist->addMedia(QUrl(fileName));

        else if (QFileInfo(fileName).exists())

            playlist->addMedia(QUrl::fromLocalFile(fileName));

    }

}

Player::~Player()

{

}

void Player::open()

{

    QStringList fileNames = QFileDialog::getOpenFileNames();

    foreach (QString const &fileName, fileNames)

        playlist->addMedia(QUrl::fromLocalFile(fileName));

}

void Player::durationChanged(qint64 duration)

{

    slider->setMaximum(duration / 1000);

}

void Player::positionChanged(qint64 progress)

{

}

void Player::metaDataChanged()

{

    //qDebug() << "update metadata" << player->metaData(QtMedia::Title).toString();

    if (player->isMetaDataAvailable()) {

        setTrackInfo(QString("%1 - %2")

                .arg(player->metaData(QtMedia::AlbumArtist).toString())

                .arg(player->metaData(QtMedia::Title).toString()));

        if (coverLabel) {

            QUrl url = player->metaData(QtMedia::CoverArtUrlLarge).value<QUrl>();

            coverLabel->setPixmap(!url.isEmpty()

                    ? QPixmap(url.toString())

                    : QPixmap());

        }

    }

}

void Player::jump(const QModelIndex &index)

{

#ifdef Q_OS_SYMBIAN

    if (playlistDialog->isVisible())

        playlistDialog->accept();

#endif

    if (index.isValid()) {

        playlist->setCurrentIndex(index.row());

        player->play();

    }

}

void Player::playlistPositionChanged(int currentItem)

{

    playlistView->setCurrentIndex(playlistModel->index(currentItem, 0));

}

void Player::seek(int seconds)

{

    player->setPosition(seconds * 1000);

}

void Player::statusChanged(QMediaPlayer::MediaStatus status)

{

    switch (status) {

    case QMediaPlayer::UnknownMediaStatus:

    case QMediaPlayer::NoMedia:

    case QMediaPlayer::LoadedMedia:

    case QMediaPlayer::BufferingMedia:

    case QMediaPlayer::BufferedMedia:

        setStatusInfo(QString());

        break;

    case QMediaPlayer::LoadingMedia:

        setStatusInfo(tr("Loading..."));

        break;

    case QMediaPlayer::StalledMedia:

        break;

    case QMediaPlayer::EndOfMedia:

        QApplication::alert(this);

        break;

    case QMediaPlayer::InvalidMedia:

#ifndef QT_NO_CURSOR

        unsetCursor();

#endif

}

void Player::bufferingProgress(int progress)

{

    setStatusInfo(tr("Buffering %4%").arg(progress));

}

void Player::setTrackInfo(const QString &info)

{

    trackInfo = info;

    if (!statusInfo.isEmpty())

        setWindowTitle(QString("%1 | %2").arg(trackInfo).arg(statusInfo));

    else

        setWindowTitle(trackInfo);

}

void Player::setStatusInfo(const QString &info)

{

    statusInfo = info;

    if (!statusInfo.isEmpty())

        setWindowTitle(QString("%1 | %2").arg(trackInfo).arg(statusInfo));

    else

        setWindowTitle(trackInfo);

}

#ifdef Q_OS_SYMBIAN

#else

void Player::showColorDialog()

{

    if (!colorDialog) {

        QSlider *brightnessSlider = new QSlider(Qt::Horizontal);

        brightnessSlider->setRange(-100, 100);

        brightnessSlider->setValue(videoWidget->brightness());

        connect(brightnessSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setBrightness(int)));

        connect(videoWidget, SIGNAL(brightnessChanged(int)), brightnessSlider, SLOT(setValue(int)));

        QSlider *contrastSlider = new QSlider(Qt::Horizontal);

        contrastSlider->setRange(-100, 100);

        contrastSlider->setValue(videoWidget->contrast());

        connect(contrastSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setContrast(int)));

        connect(videoWidget, SIGNAL(contrastChanged(int)), contrastSlider, SLOT(setValue(int)));

        QSlider *hueSlider = new QSlider(Qt::Horizontal);

        hueSlider->setRange(-100, 100);

        hueSlider->setValue(videoWidget->hue());

        connect(hueSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setHue(int)));

        connect(videoWidget, SIGNAL(hueChanged(int)), hueSlider, SLOT(setValue(int)));

        QSlider *saturationSlider = new QSlider(Qt::Horizontal);

        saturationSlider->setRange(-100, 100);

        saturationSlider->setValue(videoWidget->saturation());

        connect(saturationSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setSaturation(int)));

        connect(videoWidget, SIGNAL(saturationChanged(int)), saturationSlider, SLOT(setValue(int)));

        QFormLayout *layout = new QFormLayout;

        layout->addRow(tr("Brightness"), brightnessSlider);

        layout->addRow(tr("Contrast"), contrastSlider);

        layout->addRow(tr("Hue"), hueSlider);

        layout->addRow(tr("Saturation"), saturationSlider);

        colorDialog = new QDialog(this);

        colorDialog->setWindowTitle(tr("Color Options"));

        colorDialog->setLayout(layout);

    }

    colorDialog->show();

}

#endif

#ifdef Q_OS_SYMBIAN

void Player::handleFullScreen(bool isFullscreen)

{

    if(isFullscreen) {

            videoWidget->setFullScreen(true);

    } else