get notifications from dbus

include/app.hpp

@@ -6,6 +6,7 @@
 #include "glibmm/refptr.h"
 #include "gtkmm/application.h"
 #include "services/hyprland.hpp"
+#include "services/notifications.hpp"
 #include "services/tray.hpp"
 
 class App {
@@ -18,6 +19,7 @@ class App {
     Glib::RefPtr<Gtk::Application> app;
     std::vector<Bar *> bars;
     HyprlandService hyprlandService;
+    NotificationService notificationService;
     TrayService trayService;
 
     void setupServices();

include/services/notifications.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <gio/gio.h>
+
+class NotificationService {
+public:
+    void intialize();
+
+    NotificationService() = default;
+    ~NotificationService();
+
+    guint32 allocateNotificationId(guint32 replacesId);
+    GDBusConnection* getConnection() const { return connection; }
+
+private:
+    GDBusConnection* connection = nullptr;
+    guint registrationId = 0;
+    GDBusNodeInfo* nodeInfo = nullptr;
+    guint32 nextNotificationId = 1;
+};