lib/python/Components/Converter/ServicePosition.py

   1 from Converter import Converter
   2 from Poll import Poll
   3 from enigma import iPlayableService
   4
   5 class ServicePosition(Converter, Poll, object):
   6         TYPE_LENGTH = 0,
   7         TYPE_POSITION = 1,
   8         TYPE_REMAINING = 2,
   9         TYPE_GAUGE = 3
  10
  11         def __init__(self, type, *args, **kwargs):
  12                 Poll.__init__(self)
  13                 Converter.__init__(self)
  14                 if type == "Length":
  15                         self.type = self.TYPE_LENGTH
  16                 elif type == "Position":
  17                         self.type = self.TYPE_POSITION
  18                 elif type == "Remaining":
  19                         self.type = self.TYPE_REMAINING
  20                 elif type == "Gauge":
  21                         self.type = self.TYPE_GAUGE
  22
  23                 self.poll_interval = 500
  24                 self.poll_enabled = self.type != self.TYPE_LENGTH
  25
  26         def getSeek(self):
  27                 s = self.source.service
  28                 return s and s.seek()
  29
  30         def getPosition(self):
  31                 seek = self.getSeek()
  32                 if seek is None:
  33                         return None
  34                 pos = seek.getPlayPosition()
  35                 if pos[0]:
  36                         return 0
  37                 return pos[1] / 90000
  38
  39         def getLength(self):
  40                 seek = self.getSeek()
  41                 if seek is None:
  42                         return None
  43                 length = seek.getLength()
  44                 if length[0]:
  45                         return 0
  46                 return length[1] / 90000
  47
  48         def getCutlist(self):
  49                 service = self.source.service
  50                 cue = service and service.cueSheet()
  51                 return cue and cue.getCutList()
  52
  53         def getText(self):
  54                 seek = self.getSeek()
  55                 if seek is None:
  56                         return ""
  57                 else:
  58                         if self.type == self.TYPE_LENGTH:
  59                                 l = self.length
  60                         elif self.type == self.TYPE_POSITION:
  61                                 l = self.position
  62                         elif self.type == self.TYPE_REMAINING:
  63                                 l = self.length - self.position
  64                         return "%d:%02d" % (l/60, l%60)
  65
  66         position = property(getPosition)
  67         length = property(getLength)
  68         cutlist = property(getCutlist)
  69         text = property(getText)
  70
  71         def changed(self, *args):
  72                 cutlist_refresh = len(args) and args[0] in [iPlayableService.evCuesheetChanged, iPlayableService.evStart, iPlayableService.evEnd]
  73                 time_refresh = not len(args) or args[0] in [iPlayableService.evStart, iPlayableService.evEnd]
  74
  75                 if cutlist_refresh:
  76                         if self.type == self.TYPE_GAUGE:
  77                                 self.downstream_elements.cutlist_changed()
  78
  79                 if time_refresh:
  80                         self.downstream_elements.changed()