mirror of
https://github.com/spalencsar/bearwave.git
synced 2026-07-07 06:34:16 +02:00
Implement playing station visual feedback, track desktop notifications, and local cover caching
This commit is contained in:
Sebastian Palencsar
248
src/notificationmanager.cpp
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248
src/notificationmanager.cpp
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#include "notificationmanager.h"
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#include "radiobackend.h"
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#include "bearplayer.h"
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#include <QDBusInterface>
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#include <QDBusReply>
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#include <QDBusMessage>
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#include <QDBusConnection>
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#include <QDir>
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#include <QFile>
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#include <QCryptographicHash>
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#include <QStandardPaths>
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#include <QDebug>
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NotificationManager::NotificationManager(RadioBackend *backend, QObject *parent)
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: QObject(parent)
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, m_backend(backend)
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, m_player(backend->player())
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, m_notificationShown(false)
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{
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m_coversDir = QDir::homePath() + QStringLiteral("/.cache/bearwave/covers");
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QDir().mkpath(m_coversDir);
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m_networkManager = new QNetworkAccessManager(this);
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m_notifyTimer.setSingleShot(true);
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connect(&m_notifyTimer, &QTimer::timeout, this, &NotificationManager::onNotifyTimeout);
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connect(m_player, &BearPlayer::trackInfoChanged, this, &NotificationManager::onTrackInfoChanged);
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connect(m_player, &BearPlayer::currentStationChanged, this, &NotificationManager::onTrackInfoChanged);
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}
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NotificationManager::~NotificationManager()
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{
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closeNotification();
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}
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void NotificationManager::onTrackInfoChanged()
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{
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const QString station = m_player->currentStationName();
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const QString artist = m_player->currentTrackArtist();
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const QString title = m_player->currentTrackTitle();
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const QString coverUrl = m_player->currentCoverArtUrl();
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if (artist.isEmpty() && title.isEmpty()) {
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m_notifyTimer.stop();
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if (m_currentReply) {
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m_currentReply->abort();
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m_currentReply->deleteLater();
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m_currentReply = nullptr;
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}
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closeNotification();
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m_lastArtist.clear();
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m_lastTitle.clear();
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m_lastStation.clear();
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m_notifiedCoverUrl.clear();
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m_activeCoverPath.clear();
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m_notificationShown = false;
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return;
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}
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bool trackChanged = (artist != m_lastArtist || title != m_lastTitle || station != m_lastStation);
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if (trackChanged) {
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m_notifyTimer.stop();
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if (m_currentReply) {
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m_currentReply->abort();
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m_currentReply->deleteLater();
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m_currentReply = nullptr;
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}
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m_lastArtist = artist;
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m_lastTitle = title;
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m_lastStation = station;
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m_notifiedCoverUrl.clear();
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m_activeCoverPath.clear();
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m_notificationShown = false;
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}
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if (m_notificationShown) {
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return;
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}
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if (coverUrl.isEmpty()) {
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if (!m_notifyTimer.isActive()) {
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m_notifyTimer.start(800);
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}
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} else {
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m_notifiedCoverUrl = coverUrl;
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const QString hash = QString(QCryptographicHash::hash(coverUrl.toUtf8(), QCryptographicHash::Md5).toHex());
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const QString filePath = m_coversDir + "/" + hash + ".jpg";
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if (QFile::exists(filePath)) {
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m_activeCoverPath = filePath;
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triggerNotification();
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} else {
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downloadCover(coverUrl);
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if (!m_notifyTimer.isActive()) {
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m_notifyTimer.start(800);
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}
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}
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}
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}
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void NotificationManager::downloadCover(const QString &url)
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{
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if (m_currentReply) {
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m_currentReply->abort();
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m_currentReply->deleteLater();
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m_currentReply = nullptr;
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}
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m_pendingCoverUrl = url;
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QNetworkRequest request(url);
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m_currentReply = m_networkManager->get(request);
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connect(m_currentReply, &QNetworkReply::finished, this, &NotificationManager::onDownloadFinished);
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}
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void NotificationManager::onDownloadFinished()
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{
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QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());
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if (!reply) return;
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if (reply == m_currentReply) {
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m_currentReply = nullptr;
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}
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if (reply->error() == QNetworkReply::NoError) {
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QByteArray data = reply->readAll();
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const QString hash = QString(QCryptographicHash::hash(m_pendingCoverUrl.toUtf8(), QCryptographicHash::Md5).toHex());
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const QString filePath = m_coversDir + "/" + hash + ".jpg";
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QFile file(filePath);
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if (file.open(QIODevice::WriteOnly)) {
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file.write(data);
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file.close();
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m_activeCoverPath = filePath;
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triggerNotification();
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}
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} else {
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if (reply->error() != QNetworkReply::OperationCanceledError) {
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qDebug() << "Cover download failed:" << reply->errorString();
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}
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}
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reply->deleteLater();
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}
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void NotificationManager::onNotifyTimeout()
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{
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triggerNotification();
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}
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void NotificationManager::triggerNotification()
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{
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m_notifyTimer.stop();
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qDebug() << "Triggering notification - station:" << m_lastStation << "artist:" << m_lastArtist << "title:" << m_lastTitle << "cover:" << m_activeCoverPath;
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showNotification(m_lastStation, m_lastArtist, m_lastTitle, m_activeCoverPath);
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m_notificationShown = true;
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}
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void NotificationManager::showNotification(const QString &station, const QString &artist, const QString &title, const QString &coverPath)
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{
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QDBusInterface notifyInterface(
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QStringLiteral("org.freedesktop.Notifications"),
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QStringLiteral("/org/freedesktop/Notifications"),
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QStringLiteral("org.freedesktop.Notifications"),
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QDBusConnection::sessionBus()
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);
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if (!notifyInterface.isValid()) {
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qWarning() << "DBus Notification interface is invalid";
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return;
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}
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QString summary;
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QString body;
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if (!title.isEmpty()) {
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summary = title;
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if (!artist.isEmpty()) {
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body = artist;
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}
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if (!station.isEmpty()) {
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if (!body.isEmpty()) body += QStringLiteral("\n");
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body += tr("Station: %1").arg(station);
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}
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} else {
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if (!station.isEmpty()) {
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summary = station;
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} else {
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summary = QStringLiteral("BearWave");
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}
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if (!artist.isEmpty()) {
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body = artist;
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}
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}
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QVariantMap hints;
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hints.insert(QStringLiteral("desktop-entry"), QStringLiteral("org.kde.bearwave"));
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if (!coverPath.isEmpty()) {
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hints.insert(QStringLiteral("image-path"), coverPath);
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hints.insert(QStringLiteral("image_path"), coverPath);
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}
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QList<QVariant> args;
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args << QStringLiteral("BearWave")
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<< m_lastNotificationId
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<< QStringLiteral("org.kde.bearwave")
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<< summary
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<< body
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<< QStringList()
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<< hints
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<< -1;
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QDBusReply<uint> dbusReply = notifyInterface.callWithArgumentList(
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QDBus::Block,
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QStringLiteral("Notify"),
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args
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);
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if (dbusReply.isValid()) {
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m_lastNotificationId = dbusReply.value();
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} else {
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qWarning() << "Failed to send notification via DBus:" << dbusReply.error().message();
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}
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}
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void NotificationManager::closeNotification()
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{
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if (m_lastNotificationId == 0) {
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return;
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}
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qDebug() << "Closing notification with ID:" << m_lastNotificationId;
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QDBusInterface notifyInterface(
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QStringLiteral("org.freedesktop.Notifications"),
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QStringLiteral("/org/freedesktop/Notifications"),
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QStringLiteral("org.freedesktop.Notifications"),
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QDBusConnection::sessionBus()
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);
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if (notifyInterface.isValid()) {
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notifyInterface.call(QStringLiteral("CloseNotification"), m_lastNotificationId);
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}
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m_lastNotificationId = 0;
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}
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