Navigation.py

   1 from enigma import eServiceCenter, eServiceReference, eTimer, pNavigation, getBestPlayableServiceReference, iPlayableService
   2 from Components.ParentalControl import parentalControl
   3 from Tools.BoundFunction import boundFunction
   4 from Tools.DreamboxHardware import setFPWakeuptime, getFPWakeuptime, getFPWasTimerWakeup
   5 from time import time
   6 import RecordTimer
   7 import SleepTimer
   8 import Screens.Standby
   9 import NavigationInstance
  10 import ServiceReference
  11 from Screens.InfoBar import InfoBar
  12
  13 # TODO: remove pNavgation, eNavigation and rewrite this stuff in python.
  14 class Navigation:
  15         def __init__(self, nextRecordTimerAfterEventActionAuto=False):
  16                 if NavigationInstance.instance is not None:
  17                         raise NavigationInstance.instance
  18
  19                 NavigationInstance.instance = self
  20                 self.ServiceHandler = eServiceCenter.getInstance()
  21
  22                 import Navigation as Nav
  23                 Nav.navcore = self
  24
  25                 self.pnav = pNavigation()
  26                 self.pnav.m_event.get().append(self.dispatchEvent)
  27                 self.pnav.m_record_event.get().append(self.dispatchRecordEvent)
  28                 self.event = [ ]
  29                 self.record_event = [ ]
  30                 self.currentlyPlayingServiceReference = None
  31                 self.currentlyPlayingService = None
  32                 self.RecordTimer = RecordTimer.RecordTimer()
  33                 if getFPWasTimerWakeup():
  34                         if nextRecordTimerAfterEventActionAuto:
  35                                 # We need to give the systemclock the chance to sync with the transponder time,
  36                                 # before we will make the decision about whether or not we need to shutdown
  37                                 # after the upcoming recording has completed
  38                                 self.recordshutdowntimer = eTimer()
  39                                 self.recordshutdowntimer.callback.append(self.checkShutdownAfterRecording)
  40                                 self.recordshutdowntimer.start(30000, True)
  41                 self.SleepTimer = SleepTimer.SleepTimer()
  42
  43         def checkShutdownAfterRecording(self):
  44                 if len(self.getRecordings()) or abs(self.RecordTimer.getNextRecordingTime() - time()) <= 360:
  45                         if not Screens.Standby.inTryQuitMainloop: # not a shutdown messagebox is open
  46                                 RecordTimer.RecordTimerEntry.TryQuitMainloop(False) # start shutdown handling
  47
  48         def dispatchEvent(self, i):
  49                 for x in self.event:
  50                         x(i)
  51                 if i == iPlayableService.evEnd:
  52                         self.currentlyPlayingServiceReference = None
  53                         self.currentlyPlayingService = None
  54
  55         def dispatchRecordEvent(self, rec_service, event):
  56 #               print "record_event", rec_service, event
  57                 for x in self.record_event:
  58                         x(rec_service, event)
  59
  60         def playService(self, ref, checkParentalControl = True, forceRestart = False):
  61                 oldref = self.currentlyPlayingServiceReference
  62                 if ref and oldref and ref == oldref and not forceRestart:
  63                         print "ignore request to play already running service(1)"
  64                         return 0
  65                 print "playing", ref and ref.toString()
  66                 if ref is None:
  67                         self.stopService()
  68                         return 0
  69                 if not checkParentalControl or parentalControl.isServicePlayable(ref, boundFunction(self.playService, checkParentalControl = False)):
  70                         if ref.flags & eServiceReference.isGroup:
  71                                 if not oldref:
  72                                         oldref = eServiceReference()
  73                                 playref = getBestPlayableServiceReference(ref, oldref)
  74                                 print "playref", playref
  75                                 if playref and oldref and playref == oldref and not forceRestart:
  76                                         print "ignore request to play already running service(2)"
  77                                         return 0
  78                                 if not playref or (checkParentalControl and not parentalControl.isServicePlayable(playref, boundFunction(self.playService, checkParentalControl = False))):
  79                                         self.stopService()
  80                                         return 0
  81                         else:
  82                                 playref = ref
  83                         if self.pnav:
  84                                 self.pnav.stopService()
  85                                 self.currentlyPlayingServiceReference = playref
  86                                 InfoBarInstance = InfoBar.instance
  87                                 if InfoBarInstance is not None:
  88                                         InfoBarInstance.servicelist.servicelist.setCurrent(ref)
  89                                 if self.pnav.playService(playref):
  90                                         print "Failed to start", playref
  91                                         self.currentlyPlayingServiceReference = None
  92                                 return 0
  93                 else:
  94                         self.stopService()
  95                 return 1
  96
  97         def getCurrentlyPlayingServiceReference(self):
  98                 return self.currentlyPlayingServiceReference
  99
 100         def recordService(self, ref, simulate=False):
 101                 service = None
 102                 if not simulate: print "recording service: %s" % (str(ref))
 103                 if isinstance(ref, ServiceReference.ServiceReference):                  ref = ref.ref
 104                 if ref:
 105                         if ref.flags & eServiceReference.isGroup:
 106                                 ref = getBestPlayableServiceReference(ref, eServiceReference(), simulate)
 107                         service = ref and self.pnav and self.pnav.recordService(ref, simulate)
 108                         if service is None:
 109                                 print "record returned non-zero"
 110                 return service
 111
 112         def stopRecordService(self, service):
 113                 ret = self.pnav and self.pnav.stopRecordService(service)
 114                 return ret
 115
 116         def getRecordings(self, simulate=False):
 117                 return self.pnav and self.pnav.getRecordings(simulate)
 118
 119         def getCurrentService(self):
 120                 if not self.currentlyPlayingService:
 121                         self.currentlyPlayingService = self.pnav and self.pnav.getCurrentService()
 122                 return self.currentlyPlayingService
 123
 124         def stopService(self):
 125                 if self.pnav:
 126                         self.pnav.stopService()
 127
 128         def pause(self, p):
 129                 return self.pnav and self.pnav.pause(p)
 130
 131         def shutdown(self):
 132                 self.RecordTimer.shutdown()
 133                 self.ServiceHandler = None
 134                 self.pnav = None
 135
 136         def stopUserServices(self):
 137                 self.stopService()