Use newly introduced setBadgeNumber api on Qt >= 6.6

src/models/roomlistmodel.cpp

@@ -10,11 +10,13 @@
 #include "user.h"
 
 #include <QDebug>
+#if QT_VERSION < QT_VERSION_CHECK(6, 6, 0)
 #ifndef Q_OS_ANDROID
 #include <QDBusConnection>
 #include <QDBusInterface>
 #include <QDBusMessage>
 #endif
+#endif
 
 #include <KLocalizedString>
 #include <QGuiApplication>
@@ -29,15 +31,6 @@ using namespace Quotient;
 
 Q_DECLARE_METATYPE(Quotient::JoinState)
 
-#ifndef Q_OS_ANDROID
-bool useUnityCounter()
-{
-    static const auto Result = QDBusInterface("com.canonical.Unity", "/").isValid();
-
-    return Result;
-}
-#endif
-
 RoomListModel::RoomListModel(QObject *parent)
     : QAbstractListModel(parent)
 {
@@ -46,9 +39,9 @@ RoomListModel::RoomListModel(QObject *parent)
         m_categoryVisibility[collapsedSection] = false;
     }
 
-#ifndef Q_OS_ANDROID
     connect(this, &RoomListModel::notificationCountChanged, this, [this]() {
-        if (useUnityCounter()) {
+#if QT_VERSION < QT_VERSION_CHECK(6, 6, 0)
+#ifndef Q_OS_ANDROID
         // copied from Telegram desktop
         const auto launcherUrl = "application://org.kde.neochat.desktop";
         // Gnome requires that count is a 64bit integer
@@ -67,9 +60,11 @@ RoomListModel::RoomListModel(QObject *parent)
         signal.setArguments({launcherUrl, dbusUnityProperties});
 
         QDBusConnection::sessionBus().send(signal);
-        }
+#endif // Q_OS_ANDROID
+#else
+        qGuiApp->setBadgeNumber(m_notificationCount);
+#endif // QT_VERSION_CHECK(6, 6, 0)
     });
-#endif
 }
 
 RoomListModel::~RoomListModel() = default;