lib/python/Components/Sources/FrontendInfo.py

   1 from enigma import iPlayableService
   2 from Source import Source
   3 from Components.PerServiceDisplay import PerServiceBase
   4
   5 class FrontendInfo(Source, PerServiceBase):
   6         def __init__(self, service_source = None, frontend_source = None, navcore = None):
   7                 self.navcore = None
   8                 Source.__init__(self)
   9                 if navcore:
  10                         PerServiceBase.__init__(self, navcore,
  11                         {
  12                                 iPlayableService.evTunedIn: self.updateFrontendData,
  13                                 iPlayableService.evEnd: self.serviceEnd
  14                         })
  15                 self.service_source = service_source
  16                 self.frontend_source = frontend_source
  17                 self.updateFrontendData()
  18
  19         def serviceEnd(self):
  20 #               import pdb
  21 #               pdb.set_trace()
  22                 self.slot_number = self.frontend_type = None
  23                 self.changed((self.CHANGED_CLEAR, ))
  24
  25         def updateFrontendData(self):
  26                 data = self.getFrontendData()
  27                 if not data:
  28                         self.slot_number = self.frontend_type = None
  29                 else:
  30                         self.slot_number = data.get("tuner_number")
  31                         self.frontend_type = data.get("tuner_type")
  32                 self.changed((self.CHANGED_ALL, ))
  33
  34         def getFrontendData(self):
  35                 if self.frontend_source:
  36                         frontend = self.frontend_source()
  37                         dict = { }
  38                         if frontend:
  39                                 frontend.getFrontendData(dict)
  40                         return dict
  41                 elif self.service_source:
  42                         service = self.navcore and self.service_source()
  43                         feinfo = service and service.frontendInfo()
  44                         return feinfo and feinfo.getFrontendData()
  45                 elif self.navcore:
  46                         service = self.navcore.getCurrentService()
  47                         feinfo = service and service.frontendInfo()
  48                         return feinfo and feinfo.getFrontendData()
  49                 else:
  50                         return None
  51
  52         def destroy(self):
  53                 if not self.frontend_source and not self.service_source:
  54                         PerServiceBase.destroy(self)
  55                 Source.destroy(self)