def increment(self, time): return time + timeline.delta_from_seconds(60)
def get_min_zoom_delta(self): return (timeline.delta_from_seconds(60), _("Can't zoom deeper than 1 minute"))
def get_zero_delta(self): return timeline.delta_from_seconds(0)
def get_min_zoom_delta(self): return (timeline.delta_from_seconds(60 * 60), _("Can't zoom deeper than 1 hour"))