lib/python/Components/Converter/RdsInfo.py

   1 from enigma import iRdsDecoder, iPlayableService
   2 from Components.Converter.Converter import Converter
   3 from Components.Element import cached
   4
   5 class RdsInfo(Converter, object):
   6         RASS_INTERACTIVE_AVAILABLE = 0
   7         RTP_TEXT_CHANGED = 1
   8         RADIO_TEXT_CHANGED = 2
   9
  10         def __init__(self, type):
  11                 Converter.__init__(self, type)
  12                 self.type = {
  13                                 "RadioText": self.RADIO_TEXT_CHANGED,
  14                                 "RtpText": self.RTP_TEXT_CHANGED,
  15                                 "RasInteractiveAvailable": self.RASS_INTERACTIVE_AVAILABLE
  16                         }[type]
  17
  18                 self.interesting_events = {
  19                                 self.RADIO_TEXT_CHANGED: [iPlayableService.evUpdatedRadioText],
  20                                 self.RTP_TEXT_CHANGED: [iPlayableService.evUpdatedRtpText],
  21                                 self.RASS_INTERACTIVE_AVAILABLE: [iPlayableService.evUpdatedRassInteractivePicMask]
  22                         }[self.type]
  23
  24         @cached
  25         def getText(self):
  26                 decoder = self.source.decoder
  27                 text = ""
  28                 if decoder:
  29                         if self.type == self.RADIO_TEXT_CHANGED:
  30                                 text = decoder.getText(iRdsDecoder.RadioText)
  31                         elif self.type == self.RTP_TEXT_CHANGED:
  32                                 text = decoder.getText(iRdsDecoder.RtpText)
  33                         else:
  34                                 print "unknown RdsInfo Converter type", self.type
  35                 return text
  36
  37         text = property(getText)
  38
  39         @cached
  40         def getBoolean(self):
  41                 decoder = self.source.decoder
  42                 if self.type == self.RASS_INTERACTIVE_AVAILABLE:
  43                         mask = decoder and decoder.getRassInteractiveMask()
  44                         return (mask and mask[0] & 1 and True) or False
  45                 elif self.type == self.RADIO_TEXT_CHANGED:
  46                         return (len(decoder.getText(iRdsDecoder.RadioText)) and True) or False
  47                 elif self.type == self.RTP_TEXT_CHANGED:
  48                         return (len(decoder.getText(iRdsDecoder.RtpText)) and True) or False
  49         boolean = property(getBoolean)
  50
  51         def changed(self, what):
  52                 if what[0] != self.CHANGED_SPECIFIC or what[1] in self.interesting_events:
  53                         Converter.changed(self, what)