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.StbHardware import setFPWakeuptime, getFPWakeuptime, getFPWasTimerWakeup
   5 from time import time
   6 import RecordTimer
   7 import Screens.Standby
   8 import NavigationInstance
   9 import ServiceReference
  10 from Screens.InfoBar import InfoBar
  11
  12 # TODO: remove pNavgation, eNavigation and rewrite this stuff in python.
  13 class Navigation:
  14         def __init__(self, nextRecordTimerAfterEventActionAuto=False):
  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.currentlyPlayingServiceOrGroup = None
  31                 self.currentlyPlayingService = None
  32                 self.RecordTimer = RecordTimer.RecordTimer()
  33                 self.__wasTimerWakeup = False
  34                 if getFPWasTimerWakeup():
  35                         self.__wasTimerWakeup = True
  36                         if nextRecordTimerAfterEventActionAuto:
  37                                 # We need to give the systemclock the chance to sync with the transponder time,
  38                                 # before we will make the decision about whether or not we need to shutdown
  39                                 # after the upcoming recording has completed
  40                                 self.recordshutdowntimer = eTimer()
  41                                 self.recordshutdowntimer.callback.append(self.checkShutdownAfterRecording)
  42                                 self.recordshutdowntimer.start(30000, True)
  43
  44         def wasTimerWakeup(self):
  45                 return self.__wasTimerWakeup
  46
  47         def checkShutdownAfterRecording(self):
  48                 if len(self.getRecordings()) or abs(self.RecordTimer.getNextRecordingTime() - time()) <= 360:
  49                         if not Screens.Standby.inTryQuitMainloop: # not a shutdown messagebox is open
  50                                 RecordTimer.RecordTimerEntry.TryQuitMainloop(False) # start shutdown handling
  51
  52         def dispatchEvent(self, i):
  53                 for x in self.event:
  54                         x(i)
  55                 if i == iPlayableService.evEnd:
  56                         self.currentlyPlayingServiceReference = None
  57                         self.currentlyPlayingServiceOrGroup = None
  58                         self.currentlyPlayingService = None
  59
  60         def dispatchRecordEvent(self, rec_service, event):
  61 #               print "record_event", rec_service, event
  62                 for x in self.record_event:
  63                         x(rec_service, event)
  64
  65         def playService(self, ref, checkParentalControl=True, forceRestart=False):
  66                 oldref = self.currentlyPlayingServiceReference
  67                 if ref and oldref and ref == oldref and not forceRestart:
  68                         print "ignore request to play already running service(1)"
  69                         return 0
  70                 print "playing", ref and ref.toString()
  71                 if ref is None:
  72                         self.stopService()
  73                         return 0
  74                 InfoBarInstance = InfoBar.instance
  75                 if not checkParentalControl or parentalControl.isServicePlayable(ref, boundFunction(self.playService, checkParentalControl=False, forceRestart=forceRestart)):
  76                         if ref.flags & eServiceReference.isGroup:
  77                                 if not oldref:
  78                                         oldref = eServiceReference()
  79                                 playref = getBestPlayableServiceReference(ref, oldref)
  80                                 print "playref", playref
  81                                 if playref and oldref and playref == oldref and not forceRestart:
  82                                         print "ignore request to play already running service(2)"
  83                                         return 0
  84                                 if not playref or (checkParentalControl and not parentalControl.isServicePlayable(playref, boundFunction(self.playService, checkParentalControl = False))):
  85                                         self.stopService()
  86                                         return 0
  87                         else:
  88                                 playref = ref
  89                         if self.pnav:
  90                                 self.pnav.stopService()
  91                                 self.currentlyPlayingServiceReference = playref
  92                                 self.currentlyPlayingServiceOrGroup = ref
  93                                 if InfoBarInstance is not None:
  94                                         InfoBarInstance.servicelist.servicelist.setCurrent(ref)
  95                                 if self.pnav.playService(playref):
  96                                         print "Failed to start", playref
  97                                         self.currentlyPlayingServiceReference = None
  98                                         self.currentlyPlayingServiceOrGroup = None
  99                                 return 0
 100                 elif oldref:
 101                         InfoBarInstance.servicelist.servicelist.setCurrent(oldref)
 102                 return 1
 103
 104         def getCurrentlyPlayingServiceReference(self):
 105                 return self.currentlyPlayingServiceReference
 106
 107         def getCurrentlyPlayingServiceOrGroup(self):
 108                 return self.currentlyPlayingServiceOrGroup
 109
 110         def recordService(self, ref, simulate=False):
 111                 service = None
 112                 if not simulate: print "recording service: %s" % (str(ref))
 113                 if isinstance(ref, ServiceReference.ServiceReference):
 114                         ref = ref.ref
 115                 if ref:
 116                         if ref.flags & eServiceReference.isGroup:
 117                                 ref = getBestPlayableServiceReference(ref, eServiceReference(), simulate)
 118                         service = ref and self.pnav and self.pnav.recordService(ref, simulate)
 119                         if service is None:
 120                                 print "record returned non-zero"
 121                 return service
 122
 123         def stopRecordService(self, service):
 124                 ret = self.pnav and self.pnav.stopRecordService(service)
 125                 return ret
 126
 127         def getRecordings(self, simulate=False):
 128                 return self.pnav and self.pnav.getRecordings(simulate)
 129
 130         def getCurrentService(self):
 131                 if not self.currentlyPlayingService:
 132                         self.currentlyPlayingService = self.pnav and self.pnav.getCurrentService()
 133                 return self.currentlyPlayingService
 134
 135         def stopService(self):
 136                 if self.pnav:
 137                         self.pnav.stopService()
 138                 self.currentlyPlayingServiceReference = None
 139                 self.currentlyPlayingServiceOrGroup = None
 140
 141         def pause(self, p):
 142                 return self.pnav and self.pnav.pause(p)
 143
 144         def shutdown(self):
 145                 self.RecordTimer.shutdown()
 146                 self.ServiceHandler = None
 147                 self.pnav = None
 148
 149         def stopUserServices(self):
 150                 self.stopService()