lib/python/Components/Sources/FrontendStatus.py

   1 from Source import Source
   2 from enigma import eTimer, iFrontendInformation
   3
   4 class FrontendStatus(Source):
   5         def __init__(self, service_source = None, frontend_source = None):
   6                 Source.__init__(self)
   7                 self.service_source = service_source
   8                 self.frontend_source = frontend_source
   9                 self.invalidate()
  10
  11                 self.poll_timer = eTimer()
  12                 self.poll_timer.timeout.get().append(self.updateFrontendStatus)
  13                 self.poll_timer.start(1000)
  14
  15         def invalidate(self):
  16                 self.snr = self.agc = self.ber = self.lock = None
  17
  18         def updateFrontendStatus(self):
  19                 status = self.getFrontendStatus()
  20                 if not status:
  21                         self.invalidate()
  22                 else:
  23                         self.snr = status.get("tuner_signal_power")
  24                         self.agc = status.get("tuner_signal_quality")
  25                         self.ber = status.get("tuner_bit_error_rate")
  26                         self.lock = status.get("tuner_locked")
  27                 self.changed((self.CHANGED_ALL, ))
  28
  29         def getFrontendStatus(self):
  30                 if self.frontend_source:
  31                         frontend = self.frontend_source()
  32                         if frontend:
  33                                 dict = { }
  34                                 frontend.getFrontendStatus(dict)
  35                 elif self.service_source:
  36                         service = self.service_source()
  37                         feinfo = service and service.frontendInfo()
  38                         return feinfo and feinfo.getFrontendStatus()
  39                 else:
  40                         return None
  41
  42         def doSuspend(self, suspended):
  43                 if suspended:
  44                         self.poll_timer.stop()
  45                 else:
  46                         self.poll_timer.start(1000)
  47