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++ // Copyright (C) 2024 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include "previewrunner.h"
++
++ #include <QtCore/qcoreevent.h>
++
++ PreviewRunner::PreviewRunner()
++ {
++ m_player.setVideoOutput(&m_preview);
++ m_player.setAudioOutput(&m_audioOutput);
++
++ connect(&m_player, &QMediaPlayer::playbackStateChanged, this,
++ &PreviewRunner::handlePlaybackStateChanged);
++ connect(&m_player, &QMediaPlayer::errorOccurred, this, &PreviewRunner::handleError);
++ connect(&m_player, &QMediaPlayer::positionChanged, this, &PreviewRunner::updateTitle);
++
++ m_preview.installEventFilter(this);
++ }
++
++ bool PreviewRunner::eventFilter(QObject *watched, QEvent *event)
++ {
++ if (watched == &m_preview && event->type() == QEvent::Close) {
++ emit finished();
++ m_player.stop();
++ }
++
++ return QObject::eventFilter(watched, event);
++ }
++
++ void PreviewRunner::run(const QUrl &mediaLocation)
++ {
++ m_preview.show();
++ m_player.setSource(mediaLocation);
++ m_player.play();
++ }
++
++ void PreviewRunner::handlePlaybackStateChanged(QMediaPlayer::PlaybackState state)
++ {
++ if (state == QMediaPlayer::StoppedState) {
++ m_preview.close();
++
++ const bool noError = m_player.error() == QMediaPlayer::NoError;
++ qInfo() << "Preview finished" << (noError ? "" : "with an error");
++ } else if (state == QMediaPlayer::PlayingState) {
++ qInfo() << "Running preview for media" << m_player.source();
++ updateTitle();
++ }
++ }
++
++ void PreviewRunner::handleError(QMediaPlayer::Error error, QString description)
++ {
++ qWarning() << "Playing error occurred:" << error << description;
++
++ if (m_player.playbackState() == QMediaPlayer::StoppedState)
++ m_preview.close();
++ }
++
++ void PreviewRunner::updateTitle()
++ {
++ m_preview.setWindowTitle(QStringLiteral("Playing %1; pos: %2; duration: %3")
++ .arg(m_player.source().toString(),
++ QString::number(m_player.position()),
++ QString::number(m_player.duration())));
++ }
++
++ #include "moc_previewrunner.cpp"