quickshell/src/services/mpris/watcher.cpp

114 lines
3.6 KiB
C++

#include "watcher.hpp"
#include <qcontainerfwd.h>
#include <qdbusconnection.h>
#include <qdbusconnectioninterface.h>
#include <qdbusservicewatcher.h>
#include <qlogging.h>
#include <qloggingcategory.h>
#include <qobject.h>
#include <qqmllist.h>
#include "../../core/model.hpp"
#include "player.hpp"
namespace qs::service::mpris {
Q_LOGGING_CATEGORY(logMprisWatcher, "quickshell.service.mpris.watcher", QtWarningMsg);
MprisWatcher::MprisWatcher() {
qCDebug(logMprisWatcher) << "Starting MprisWatcher";
auto bus = QDBusConnection::sessionBus();
if (!bus.isConnected()) {
qCWarning(logMprisWatcher) << "Could not connect to DBus. Mpris service will not work.";
return;
}
// clang-format off
QObject::connect(&this->serviceWatcher, &QDBusServiceWatcher::serviceRegistered, this, &MprisWatcher::onServiceRegistered);
QObject::connect(&this->serviceWatcher, &QDBusServiceWatcher::serviceUnregistered, this, &MprisWatcher::onServiceUnregistered);
// clang-format on
this->serviceWatcher.setWatchMode(
QDBusServiceWatcher::WatchForUnregistration | QDBusServiceWatcher::WatchForRegistration
);
this->serviceWatcher.addWatchedService("org.mpris.MediaPlayer2*");
this->serviceWatcher.setConnection(bus);
this->registerExisting();
}
void MprisWatcher::registerExisting() {
const QStringList& list = QDBusConnection::sessionBus().interface()->registeredServiceNames();
for (const QString& service: list) {
if (service.startsWith("org.mpris.MediaPlayer2")) {
qCDebug(logMprisWatcher).noquote() << "Found Mpris service" << service;
this->registerPlayer(service);
}
}
}
void MprisWatcher::onServiceRegistered(const QString& service) {
if (service.startsWith("org.mpris.MediaPlayer2")) {
qCDebug(logMprisWatcher).noquote() << "Mpris service " << service << " registered.";
this->registerPlayer(service);
} else {
qCWarning(logMprisWatcher) << "Got a registration event for untracked service" << service;
}
}
void MprisWatcher::onServiceUnregistered(const QString& service) {
if (auto* player = this->mPlayers.value(service)) {
player->deleteLater();
this->mPlayers.remove(service);
qCDebug(logMprisWatcher) << "Unregistered MprisPlayer" << service;
} else {
qCWarning(logMprisWatcher) << "Got service unregister event for untracked service" << service;
}
}
void MprisWatcher::onPlayerReady() {
auto* player = qobject_cast<MprisPlayer*>(this->sender());
this->readyPlayers.insertObject(player);
}
void MprisWatcher::onPlayerDestroyed(QObject* object) {
auto* player = static_cast<MprisPlayer*>(object); // NOLINT
this->readyPlayers.removeObject(player);
}
ObjectModel<MprisPlayer>* MprisWatcher::players() { return &this->readyPlayers; }
void MprisWatcher::registerPlayer(const QString& address) {
if (this->mPlayers.contains(address)) {
qCDebug(logMprisWatcher) << "Skipping duplicate registration of MprisPlayer" << address;
return;
}
auto* player = new MprisPlayer(address, this);
if (!player->isValid()) {
qCWarning(logMprisWatcher) << "Ignoring invalid MprisPlayer registration of" << address;
delete player;
return;
}
this->mPlayers.insert(address, player);
QObject::connect(player, &MprisPlayer::ready, this, &MprisWatcher::onPlayerReady);
QObject::connect(player, &QObject::destroyed, this, &MprisWatcher::onPlayerDestroyed);
qCDebug(logMprisWatcher) << "Registered MprisPlayer" << address;
}
MprisWatcher* MprisWatcher::instance() {
static MprisWatcher* instance = new MprisWatcher(); // NOLINT
return instance;
}
ObjectModel<MprisPlayer>* MprisQml::players() { // NOLINT
return MprisWatcher::instance()->players();
}
} // namespace qs::service::mpris