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from Source import Source
from enigma import eTimer
# a small warning:
# you can use that boolean well to express screen-private
# conditional expressions.
#
# however, if you think that there is ANY interest that another
# screen could use your expression, please put your calculation
# into a seperate Source, providing a "boolean"-property.
class Boolean(Source, object):
def __init__(self, fixed = False, function = None, poll = 0):
Source.__init__(self)
if poll > 0:
self.poll_timer = eTimer()
self.poll_timer.timeout.get().append(self.poll)
self.poll_timer.start(poll)
def getBoolean(self):
if self.function is not None:
return self.function()
else:
return self.fixed
boolean = property(getBoolean)
def poll(self):
self.changed((self.CHANGED_ALL,))
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