class Seeker:
item = 0
limit = 0
position = 0
render = None
def __init__(self, item, limit, position):
self.item = item
self.limit = limit
self.position = position
self.render = ProgressRender()
def seek(self, msec):
target = self.position + msec
if target < 0:
print('Can\'t seek to before position 0')
target = 0
if target > self.limit:
print('Can\'t seek beyond %d' % self.limit)
target = self.limit
self.position = target
self.render.curry(float(self.position) / self.limit)
def ticker(self):
return (self.item.guid, self.render)
def __init__(self, item, limit, position): self.item = item self.limit = limit self.position = position self.render = ProgressRender()