cleanup some imports
[vuplus_dvbapp] / lib / python / Components / Sources / FrontendStatus.py
1 from Source import Source
2 from enigma import eTimer
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 = self.snr_db = 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.snr_db = status.get("tuner_signal_power_db")
25                         self.agc = status.get("tuner_signal_quality")
26                         self.ber = status.get("tuner_bit_error_rate")
27                         self.lock = status.get("tuner_locked")
28                 self.changed((self.CHANGED_ALL, ))
29
30         def getFrontendStatus(self):
31                 if self.frontend_source:
32                         frontend = self.frontend_source()
33                         if frontend:
34                                 dict = { }
35                                 frontend.getFrontendStatus(dict)
36                 elif self.service_source:
37                         service = self.service_source()
38                         feinfo = service and service.frontendInfo()
39                         return feinfo and feinfo.getFrontendStatus()
40                 else:
41                         return None
42
43         def doSuspend(self, suspended):
44                 if suspended:
45                         self.poll_timer.stop()
46                 else:
47                         self.poll_timer.start(1000)
48