InstallPluginsContext.setStartupNotificationId

Sets the startup notification ID for the launched process.

This is typically used to to pass the current X11 event timestamp to the external installer process.

Startup notification IDs are defined in the FreeDesktop.Org Startup Notifications standard.

If set, the ID will be passed to the installer via a --startup-notification-id= command line option.

GTK+/GNOME applications should be able to create a startup notification ID like this:

  timestamp = gtk_get_current_event_time ();
  startup_id = g_strdup_printf ("_TIME%u", timestamp);
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