add seekbar

src/services/dbus/mpris.cpp

@@ -7,6 +7,11 @@
 #include "giomm/dbusconnection.h"
 #include "giomm/dbusproxy.h"
 
+std::shared_ptr<MprisController> MprisController::getInstance() {
+    static std::shared_ptr<MprisController> instance = std::shared_ptr<MprisController>(new MprisController());
+    return instance;
+}
+
 MprisController::MprisController() {
     // 1. Connect to the Session Bus
     Gio::DBus::Connection::get(