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 from time import time
  11
  12 # TODO: remove pNavgation, eNavigation and rewrite this stuff in python.
  13 class Navigation:
  14         def __init__(self):
  15                 if NavigationInstance.instance is not None:
  16                         raise NavigationInstance.instance
  17
  18                 NavigationInstance.instance = self
  19                 self.ServiceHandler = eServiceCenter.getInstance()
  20
  21                 import Navigation as Nav
  22                 Nav.navcore = self
  23
  24                 self.pnav = pNavigation()
  25                 self.pnav.m_event.get().append(self.dispatchEvent)
  26                 self.pnav.m_record_event.get().append(self.dispatchRecordEvent)
  27                 self.event = [ ]
  28                 self.record_event = [ ]
  29                 self.currentlyPlayingServiceReference = None
  30                 self.currentlyPlayingService = None
  31                 self.RecordTimer = RecordTimer.RecordTimer()
  32                 self.SleepTimer = SleepTimer.SleepTimer()
  33
  34         def dispatchEvent(self, i):
  35                 for x in self.event:
  36                         x(i)
  37
  38         def dispatchRecordEvent(self, rec_service, event):
  39 #               print "record_event", rec_service, event
  40                 for x in self.record_event:
  41                         x(rec_service, event)
  42
  43         def playService(self, ref, checkParentalControl = True):
  44                 oldref = self.currentlyPlayingServiceReference
  45                 if ref and oldref and ref == oldref:
  46                         print "ignore request to play already running service"
  47                         return 0
  48                 print "playing", ref and ref.toString()
  49                 self.currentlyPlayingServiceReference = None
  50                 self.currentlyPlayingService = None
  51                 if ref is None:
  52                         self.stopService()
  53                         return 0
  54                 if not checkParentalControl or parentalControl.isServicePlayable(ref, boundFunction(self.playService, checkParentalControl = False)):
  55                         if ref.flags & eServiceReference.isGroup:
  56                                 if not oldref:
  57                                         oldref = eServiceReference()
  58                                 playref = getBestPlayableServiceReference(ref, oldref)
  59                                 if not playref or (checkParentalControl and not parentalControl.isServicePlayable(playref, boundFunction(self.playService, checkParentalControl = False))):
  60                                         self.stopService()
  61                                         return 0
  62                         else:
  63                                 playref = ref
  64                         if self.pnav and not self.pnav.playService(playref):
  65                                 self.currentlyPlayingServiceReference = playref
  66                                 return 0
  67                 else:
  68                         self.stopService()
  69                 return 1
  70
  71         def getCurrentlyPlayingServiceReference(self):
  72                 return self.currentlyPlayingServiceReference
  73
  74         def recordService(self, ref):
  75                 service = None
  76                 print "recording service: %s" % (str(ref))
  77                 if isinstance(ref, ServiceReference.ServiceReference):
  78                         ref = ref.ref
  79                 if ref:
  80                         if ref.flags & eServiceReference.isGroup:
  81                                 ref = getBestPlayableServiceReference(ref, eServiceReference())
  82                         service = ref and self.pnav and self.pnav.recordService(ref)
  83                         if service is None:
  84                                 print "record returned non-zero"
  85                 return service
  86
  87         def stopRecordService(self, service):
  88                 ret = self.pnav and self.pnav.stopRecordService(service)
  89                 return ret
  90
  91         def getRecordings(self):
  92                 return self.pnav and self.pnav.getRecordings()
  93
  94         def getCurrentService(self):
  95                 if not self.currentlyPlayingService:
  96                         self.currentlyPlayingService = self.pnav and self.pnav.getCurrentService()
  97                 return self.currentlyPlayingService
  98
  99         def stopService(self):
 100                 print "stopService"
 101                 if self.pnav:
 102                         self.pnav.stopService()
 103                 self.currentlyPlayingService = None
 104                 self.currentlyPlayingServiceReference = None
 105
 106         def pause(self, p):
 107                 return self.pnav and self.pnav.pause(p)
 108
 109         def recordWithTimer(self, ref, begin, end, name, description, eit):
 110                 if isinstance(ref, eServiceReference):
 111                         ref = ServiceReference.ServiceReference(ref)
 112                 entry = RecordTimer.RecordTimerEntry(ref, begin, end, name, description, eit)
 113                 self.RecordTimer.record(entry)
 114                 return entry
 115
 116         def shutdown(self):
 117                 self.RecordTimer.shutdown()
 118                 self.ServiceHandler = None
 119                 self.pnav = None
 120
 121         def stopUserServices(self):
 122                 self.stopService()