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+/****************************************************************************
+**
+** 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 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)
+ , colorDialog(0)
+{
+//! [create-objs]
+ player = new QMediaPlayer;
+ playlist = new QMediaPlaylist(player);
+//! [create-objs]
+
+ 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(playlistPositionChanged(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 = new VideoWidget(player);
+
+ playlistModel = new PlaylistModel(this);
+ playlistModel->setPlaylist(playlist);
+
+ playlistView = new QListView;
+ playlistView->setModel(playlistModel);
+ playlistView->setCurrentIndex(playlistModel->index(playlist->currentPosition(), 0));
+
+ connect(playlistView, SIGNAL(activated(QModelIndex)), this, SLOT(jump(QModelIndex)));
+
+ slider = new QSlider(Qt::Horizontal);
+ slider->setRange(0, player->duration() / 1000);
+
+ connect(slider, SIGNAL(sliderMoved(int)), this, SLOT(seek(int)));
+
+ QPushButton *openButton = new QPushButton(tr("Open"));
+
+ connect(openButton, SIGNAL(clicked()), this, SLOT(open()));
+
+ PlayerControls *controls = new PlayerControls;
+ 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(previous()), playlist, SLOT(previous()));
+ 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(mutingChanged(bool)), controls, SLOT(setMuted(bool)));
+
+ QPushButton *fullScreenButton = new QPushButton(tr("FullScreen"));
+ 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);
+ }
+
+ QPushButton *colorButton = new QPushButton(tr("Color Options..."));
+ if (videoWidget)
+ connect(colorButton, SIGNAL(clicked()), this, SLOT(showColorDialog()));
+ else
+ colorButton->setEnabled(false);
+
+ 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();
+}
+
+Player::~Player()
+{
+ delete playlist;
+ delete player;
+}
+
+void Player::open()
+{
+ QStringList fileNames = QFileDialog::getOpenFileNames();
+ foreach (QString const &fileName, fileNames)
+ playlist->appendItem(QUrl::fromLocalFile(fileName));
+}
+
+void Player::durationChanged(qint64 duration)
+{
+ slider->setMaximum(duration / 1000);
+}
+
+void Player::positionChanged(qint64 progress)
+{
+ slider->setValue(progress / 1000);
+}
+
+void Player::metaDataChanged()
+{
+ //qDebug() << "update metadata" << player->metaData(QtMultimediaKit::Title).toString();
+ if (player->isMetaDataAvailable()) {
+ setTrackInfo(QString("%1 - %2")
+ .arg(player->metaData(QtMultimediaKit::AlbumArtist).toString())
+ .arg(player->metaData(QtMultimediaKit::Title).toString()));
+
+ if (coverLabel) {
+ QUrl url = player->metaData(QtMultimediaKit::CoverArtUrlLarge).value<QUrl>();
+
+ coverLabel->setPixmap(!url.isEmpty()
+ ? QPixmap(url.toString())
+ : QPixmap());
+ }
+ }
+}
+
+void Player::jump(const QModelIndex &index)
+{
+ if (index.isValid()) {
+ playlist->setCurrentPosition(index.row());
+ }
+}
+
+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:
+#ifndef QT_NO_CURSOR
+ unsetCursor();
+#endif
+ setStatusInfo(QString());
+ break;
+ case QMediaPlayer::LoadingMedia:
+#ifndef QT_NO_CURSOR
+ setCursor(QCursor(Qt::BusyCursor));
+#endif
+ setStatusInfo(tr("Loading..."));
+ break;
+ case QMediaPlayer::StalledMedia:
+#ifndef QT_NO_CURSOR
+ setCursor(QCursor(Qt::BusyCursor));
+#endif
+ break;
+ case QMediaPlayer::EndOfMedia:
+#ifndef QT_NO_CURSOR
+ unsetCursor();
+#endif
+ setStatusInfo(QString());
+ QApplication::alert(this);
+ break;
+ case QMediaPlayer::InvalidMedia:
+#ifndef QT_NO_CURSOR
+ unsetCursor();
+#endif
+ setStatusInfo(player->errorString());
+ break;
+ }
+}
+
+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);
+}
+
+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();
+}