quick commit

include/connection/dbus/dbus.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <giomm.h>
+#include <sigc++/sigc++.h>
+
+class DbusConnection {
+  public:
+	virtual ~DbusConnection() = default;
+
+  protected:
+	Glib::RefPtr<Gio::DBus::Connection> connection;
+
+	void connect_session_async(const sigc::slot<void(const Glib::RefPtr<Gio::AsyncResult> &)> &callback) {
+		Gio::DBus::Connection::get(Gio::DBus::BusType::SESSION, callback);
+	}
+
+	static void ensure_gio_init() {
+		try {
+			Gio::init();
+		} catch (const Glib::Error &) {
+			// Already initialized.
+		}
+	}
+};