lib/python/Components/Converter/ServiceName.py

   1 # -*- coding: utf-8 -*-
   2 from Components.Converter.Converter import Converter
   3 from enigma import iServiceInformation, iPlayableService, iPlayableServicePtr
   4 from Components.Element import cached
   5
   6 class ServiceName(Converter, object):
   7         NAME = 0
   8         PROVIDER = 1
   9         REFERENCE = 2
  10
  11         def __init__(self, type):
  12                 Converter.__init__(self, type)
  13                 if type == "Provider":
  14                         self.type = self.PROVIDER
  15                 elif type == "Reference":
  16                         self.type = self.REFERENCE
  17                 else:
  18                         self.type = self.NAME
  19
  20         def getServiceInfoValue(self, info, what, ref=None):
  21                 v = ref and info.getInfo(ref, what) or info.getInfo(what)
  22                 if v != iServiceInformation.resIsString:
  23                         return "N/A"
  24                 return ref and info.getInfoString(ref, what) or info.getInfoString(what)
  25
  26         @cached
  27         def getText(self):
  28                 service = self.source.service
  29                 if isinstance(service, iPlayableServicePtr):
  30                         info = service and service.info()
  31                         ref = None
  32                 else: # reference
  33                         info = service and self.source.info
  34                         ref = service
  35                 if info is None:
  36                         return ""
  37                 if self.type == self.NAME:
  38                         name = ref and info.getName(ref)
  39                         if name is None:
  40                                 name = info.getName()
  41                         return name.replace('\xc2\x86', '').replace('\xc2\x87', '')
  42                 elif self.type == self.PROVIDER:
  43                         return self.getServiceInfoValue(info, iServiceInformation.sProvider, ref)
  44                 elif self.type == self.REFERENCE:
  45                         return self.getServiceInfoValue(info, iServiceInformation.sServiceref, ref)
  46
  47         text = property(getText)
  48
  49         def changed(self, what):
  50                 if what[0] != self.CHANGED_SPECIFIC or what[1] in (iPlayableService.evStart,):
  51                         Converter.changed(self, what)