
The availability of a notification action may depend on conditions, so add a method to control the sensitivity of buttons which have been added with addButton(). https://bugzilla.gnome.org/show_bug.cgi?id=651251
The availability of a notification action may depend on conditions, so add a method to control the sensitivity of buttons which have been added with addButton(). https://bugzilla.gnome.org/show_bug.cgi?id=651251