Navigation.py

   1 from enigma import eServiceCenter, eServiceReference, pNavigation, getBestPlayableServiceReference, iPlayableService
   2 from Components.ParentalControl import parentalControl
   3 from Tools.BoundFunction import boundFunction
   4 import RecordTimer
   5 import SleepTimer
   6
   7 import NavigationInstance
   8 import ServiceReference
   9
  10 # TODO: remove pNavgation, eNavigation and rewrite this stuff in python.
  11 class Navigation:
  12         def __init__(self):
  13                 if NavigationInstance.instance is not None:
  14                         raise NavigationInstance.instance
  15
  16                 NavigationInstance.instance = self
  17                 self.ServiceHandler = eServiceCenter.getInstance()
  18
  19                 import Navigation as Nav
  20                 Nav.navcore = self
  21
  22                 self.pnav = pNavigation()
  23                 self.pnav.m_event.get().append(self.dispatchEvent)
  24                 self.pnav.m_record_event.get().append(self.dispatchRecordEvent)
  25                 self.event = [ ]
  26                 self.record_event = [ ]
  27                 self.currentlyPlayingServiceReference = None
  28                 self.currentlyPlayingService = None
  29                 self.RecordTimer = RecordTimer.RecordTimer()
  30                 self.SleepTimer = SleepTimer.SleepTimer()
  31
  32         def dispatchEvent(self, i):
  33                 for x in self.event:
  34                         x(i)
  35                 if i == iPlayableService.evEnd:
  36                         self.currentlyPlayingServiceReference = None
  37                         self.currentlyPlayingService = None
  38
  39         def dispatchRecordEvent(self, rec_service, event):
  40 #               print "record_event", rec_service, event
  41                 for x in self.record_event:
  42                         x(rec_service, event)
  43
  44         def playService(self, ref, checkParentalControl = True):
  45                 oldref = self.currentlyPlayingServiceReference
  46                 if ref and oldref and ref == oldref:
  47                         print "ignore request to play already running service"
  48                         return 0
  49                 print "playing", ref and ref.toString()
  50                 if ref is None:
  51                         self.stopService()
  52                         return 0
  53                 if not checkParentalControl or parentalControl.isServicePlayable(ref, boundFunction(self.playService, checkParentalControl = False)):
  54                         if ref.flags & eServiceReference.isGroup:
  55                                 if not oldref:
  56                                         oldref = eServiceReference()
  57                                 playref = getBestPlayableServiceReference(ref, oldref)
  58                                 if not playref or (checkParentalControl and not parentalControl.isServicePlayable(playref, boundFunction(self.playService, checkParentalControl = False))):
  59                                         self.stopService()
  60                                         return 0
  61                         else:
  62                                 playref = ref
  63                         if self.pnav and not self.pnav.playService(playref):
  64                                 self.currentlyPlayingServiceReference = playref
  65                                 return 0
  66                 else:
  67                         self.stopService()
  68                 return 1
  69
  70         def getCurrentlyPlayingServiceReference(self):
  71                 return self.currentlyPlayingServiceReference
  72
  73         def recordService(self, ref):
  74                 service = None
  75                 print "recording service: %s" % (str(ref))
  76                 if isinstance(ref, ServiceReference.ServiceReference):
  77                         ref = ref.ref
  78                 if ref:
  79                         if ref.flags & eServiceReference.isGroup:
  80                                 ref = getBestPlayableServiceReference(ref, eServiceReference())
  81                         service = ref and self.pnav and self.pnav.recordService(ref)
  82                         if service is None:
  83                                 print "record returned non-zero"
  84                 return service
  85
  86         def stopRecordService(self, service):
  87                 ret = self.pnav and self.pnav.stopRecordService(service)
  88                 return ret
  89
  90         def getRecordings(self):
  91                 return self.pnav and self.pnav.getRecordings()
  92
  93         def getCurrentService(self):
  94                 if not self.currentlyPlayingService:
  95                         self.currentlyPlayingService = self.pnav and self.pnav.getCurrentService()
  96                 return self.currentlyPlayingService
  97
  98         def stopService(self):
  99                 print "stopService"
 100                 if self.pnav:
 101                         self.pnav.stopService()
 102
 103         def pause(self, p):
 104                 return self.pnav and self.pnav.pause(p)
 105
 106         def shutdown(self):
 107                 self.RecordTimer.shutdown()
 108                 self.ServiceHandler = None
 109                 self.pnav = None
 110
 111         def stopUserServices(self):
 112                 self.stopService()