Navigation.py

   1 from enigma import eServiceCenter, eServiceReference, pNavigation, getBestPlayableServiceReference
   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
  36         def dispatchRecordEvent(self, rec_service, event):
  37 #               print "record_event", rec_service, event
  38                 for x in self.record_event:
  39                         x(rec_service, event)
  40
  41         def playService(self, ref, checkParentalControl = True):
  42                 oldref = self.currentlyPlayingServiceReference
  43                 if ref and oldref and ref == oldref:
  44                         print "ignore request to play already running service"
  45                         return 0
  46                 print "playing", ref and ref.toString()
  47                 self.currentlyPlayingServiceReference = None
  48                 self.currentlyPlayingService = None
  49                 if ref is None:
  50                         self.stopService()
  51                         return 0
  52                 if not checkParentalControl or parentalControl.isServicePlayable(ref, boundFunction(self.playService, checkParentalControl = False)):
  53                         if ref.flags & eServiceReference.isGroup:
  54                                 if not oldref:
  55                                         oldref = eServiceReference()
  56                                 playref = getBestPlayableServiceReference(ref, oldref)
  57                                 if not playref or (checkParentalControl and not parentalControl.isServicePlayable(playref, boundFunction(self.playService, checkParentalControl = False))):
  58                                         self.stopService()
  59                                         return 0
  60                         else:
  61                                 playref = ref
  62                         if self.pnav and not self.pnav.playService(playref):
  63                                 self.currentlyPlayingServiceReference = playref
  64                                 return 0
  65                 else:
  66                         self.stopService()
  67                 return 1
  68
  69         def getCurrentlyPlayingServiceReference(self):
  70                 return self.currentlyPlayingServiceReference
  71
  72         def recordService(self, ref):
  73                 service = None
  74                 print "recording service: %s" % (str(ref))
  75                 if isinstance(ref, ServiceReference.ServiceReference):
  76                         ref = ref.ref
  77                 if ref:
  78                         if ref.flags & eServiceReference.isGroup:
  79                                 ref = getBestPlayableServiceReference(ref, eServiceReference())
  80                         service = ref and self.pnav and self.pnav.recordService(ref)
  81                         if service is None:
  82                                 print "record returned non-zero"
  83                 return service
  84
  85         def stopRecordService(self, service):
  86                 ret = self.pnav and self.pnav.stopRecordService(service)
  87                 return ret
  88
  89         def getRecordings(self):
  90                 return self.pnav and self.pnav.getRecordings()
  91
  92         def getCurrentService(self):
  93                 if not self.currentlyPlayingService:
  94                         self.currentlyPlayingService = self.pnav and self.pnav.getCurrentService()
  95                 return self.currentlyPlayingService
  96
  97         def stopService(self):
  98                 print "stopService"
  99                 if self.pnav:
 100                         self.pnav.stopService()
 101                 self.currentlyPlayingService = None
 102                 self.currentlyPlayingServiceReference = None
 103
 104         def pause(self, p):
 105                 return self.pnav and self.pnav.pause(p)
 106
 107         def recordWithTimer(self, ref, begin, end, name, description, eit):
 108                 if isinstance(ref, eServiceReference):
 109                         ref = ServiceReference.ServiceReference(ref)
 110                 entry = RecordTimer.RecordTimerEntry(ref, begin, end, name, description, eit)
 111                 self.RecordTimer.record(entry)
 112                 return entry
 113
 114         def shutdown(self):
 115                 self.RecordTimer.shutdown()
 116                 self.ServiceHandler = None
 117                 self.pnav = None
 118
 119         def stopUserServices(self):
 120                 self.stopService()