lib/python/Components/Sources/EventInfo.py

   1 from Components.PerServiceDisplay import PerServiceBase
   2 from Components.Element import cached
   3 from enigma import iPlayableService, iServiceInformation, eServiceReference, eEPGCache
   4 from Source import Source
   5
   6 class EventInfo(PerServiceBase, Source, object):
   7         NOW = 0
   8         NEXT = 1
   9
  10         def __init__(self, navcore, now_or_next):
  11                 Source.__init__(self)
  12                 PerServiceBase.__init__(self, navcore,
  13                         {
  14                                 iPlayableService.evStart: self.gotEvent,
  15                                 iPlayableService.evUpdatedEventInfo: self.gotEvent,
  16                                 iPlayableService.evEnd: self.gotEvent
  17                         }, with_event=True)
  18                 self.now_or_next = now_or_next
  19                 self.epgQuery = eEPGCache.getInstance().lookupEventTime
  20
  21         @cached
  22         def getEvent(self):
  23                 service = self.navcore.getCurrentService()
  24                 info = service and service.info()
  25                 ret = info and info.getEvent(self.now_or_next)
  26                 if not ret and info:
  27                         refstr = info.getInfoString(iServiceInformation.sServiceref)
  28                         ret = self.epgQuery(eServiceReference(refstr), -1, self.now_or_next and 1 or 0)
  29                 return ret
  30
  31         event = property(getEvent)
  32
  33         def gotEvent(self, what):
  34                 if what == iPlayableService.evEnd:
  35                         self.changed((self.CHANGED_CLEAR,))
  36                 else:
  37                         self.changed((self.CHANGED_ALL,))
  38
  39         def destroy(self):
  40                 PerServiceBase.destroy(self)
  41                 Source.destroy(self)
  42