nsIDOMWindowUtils
the event types supported are: mozswipegesturemaystart, mozswipegesturestart, mozswipegestureupdate, mozswipegestureend, mozswipegesture, mozmagnifygesturestart, mozmagnifygestureupdate, mozmagnifygesture, mozrotategesturestart, mozrotategestureupdate, mozrotategesture, mozpresstapgesture, moztapgesture, and mozedgeuigesture.

Event reference
mozedgeuigesture addons specific a touch point is swiped across the touch surface to invoke the edge ui (win8 only).