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from Converter import Converter
from Poll import Poll
from enigma import iPlayableService
from Components.Element import cached
class ServicePosition(Converter, Poll, object):
TYPE_LENGTH = 0,
TYPE_POSITION = 1,
TYPE_REMAINING = 2,
TYPE_GAUGE = 3
def __init__(self, type):
Poll.__init__(self)
Converter.__init__(self, type)
if type == "Length":
self.type = self.TYPE_LENGTH
elif type == "Position":
self.type = self.TYPE_POSITION
elif type == "Remaining":
self.type = self.TYPE_REMAINING
elif type == "Gauge":
self.type = self.TYPE_GAUGE
self.poll_interval = 500
self.poll_enabled = self.type != self.TYPE_LENGTH
def getSeek(self):
s = self.source.service
return s and s.seek()
@cached
def getPosition(self):
seek = self.getSeek()
if seek is None:
return None
pos = seek.getPlayPosition()
if pos[0]:
return 0
return pos[1]
@cached
def getLength(self):
seek = self.getSeek()
if seek is None:
return None
length = seek.getLength()
if length[0]:
return 0
return length[1]
@cached
def getCutlist(self):
service = self.source.service
cue = service and service.cueSheet()
return cue and cue.getCutList()
@cached
def getText(self):
seek = self.getSeek()
if seek is None:
return ""
else:
if self.type == self.TYPE_LENGTH:
l = self.length
elif self.type == self.TYPE_POSITION:
l = self.position
elif self.type == self.TYPE_REMAINING:
l = self.length - self.position
l /= 90000
if l > 0:
sign = ""
else:
l = -l
sign = "-"
return sign + "%d:%02d" % (l/60, l%60)
position = property(getPosition)
length = property(getLength)
cutlist = property(getCutlist)
text = property(getText)
def changed(self, what):
cutlist_refresh = what[0] != self.CHANGED_SPECIFIC or what[1] in [iPlayableService.evCuesheetChanged]
time_refresh = what[0] == self.CHANGED_POLL or what[0] == self.CHANGED_SPECIFIC and what[1] in [iPlayableService.evCuesheetChanged]
if cutlist_refresh:
if self.type == self.TYPE_GAUGE:
self.downstream_elements.cutlist_changed()
if time_refresh:
self.downstream_elements.changed(what)
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