Navigation.py

   1 from enigma import *
   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.state = 0
  32                 self.RecordTimer = RecordTimer.RecordTimer()
  33                 self.SleepTimer = SleepTimer.SleepTimer()
  34
  35         def dispatchEvent(self, i):
  36                 self.state = i != 1
  37                 for x in self.event:
  38                         x(i)
  39
  40         def dispatchRecordEvent(self, rec_service, event):
  41 #               print "record_event", rec_service, event
  42                 for x in self.record_event:
  43                         x(rec_service, event)
  44
  45         def playService(self, ref, checkParentalControl = True):
  46                 oldref = self.currentlyPlayingServiceReference
  47                 print "playing", ref and ref.toString()
  48                 self.currentlyPlayingServiceReference = None
  49                 self.currentlyPlayingService = None
  50                 if ref is None:
  51                         self.stopService()
  52                         return 0
  53                 if not checkParentalControl or parentalControl.isServicePlayable(ref.toCompareString(), 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.toCompareString(), 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 = ref
  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 self.state:
  95                         if not self.currentlyPlayingService:
  96                                 self.currentlyPlayingService = self.pnav and self.pnav.getCurrentService()
  97                         return self.currentlyPlayingService
  98                 return None
  99
 100         def stopService(self):
 101                 print "stopService"
 102                 if self.pnav:
 103                         self.pnav.stopService()
 104                 self.currentlyPlayingService = None
 105                 self.currentlyPlayingServiceReference = None
 106
 107         def pause(self, p):
 108                 return self.pnav and self.pnav.pause(p)
 109
 110         def recordWithTimer(self, ref, begin, end, name, description, eit):
 111                 if isinstance(ref, eServiceReference):
 112                         ref = ServiceReference.ServiceReference(ref)
 113                 entry = RecordTimer.RecordTimerEntry(ref, begin, end, name, description, eit)
 114                 self.RecordTimer.record(entry)
 115                 return entry
 116
 117         def shutdown(self):
 118                 self.RecordTimer.shutdown()
 119                 self.ServiceHandler = None
 120                 self.pnav = None
 121
 122         def stopUserServices(self):
 123                 self.stopService()