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, self.interesting_events = {
  13                                 "RadioText": (self.RADIO_TEXT_CHANGED, (iPlayableService.evUpdatedRadioText,)),
  14                                 "RtpText": (self.RTP_TEXT_CHANGED, (iPlayableService.evUpdatedRtpText,)),
  15                                 "RasInteractiveAvailable": (self.RASS_INTERACTIVE_AVAILABLE, (iPlayableService.evUpdatedRassInteractivePicMask,))
  16                         }[type]
  17
  18         @cached
  19         def getText(self):
  20                 decoder = self.source.decoder
  21                 text = ""
  22                 if decoder:
  23                         if self.type == self.RADIO_TEXT_CHANGED:
  24                                 text = decoder.getText(iRdsDecoder.RadioText)
  25                         elif self.type == self.RTP_TEXT_CHANGED:
  26                                 text = decoder.getText(iRdsDecoder.RtpText)
  27                         else:
  28                                 print "unknown RdsInfo Converter type", self.type
  29                 return text
  30
  31         text = property(getText)
  32
  33         @cached
  34         def getBoolean(self):
  35                 decoder = self.source.decoder
  36                 if self.type == self.RASS_INTERACTIVE_AVAILABLE:
  37                         mask = decoder and decoder.getRassInteractiveMask()
  38                         return (mask and mask[0] & 1 and True) or False
  39                 elif self.type == self.RADIO_TEXT_CHANGED:
  40                         return (len(decoder.getText(iRdsDecoder.RadioText)) and True) or False
  41                 elif self.type == self.RTP_TEXT_CHANGED:
  42                         return (len(decoder.getText(iRdsDecoder.RtpText)) and True) or False
  43         boolean = property(getBoolean)
  44
  45         def changed(self, what):
  46                 if what[0] != self.CHANGED_SPECIFIC or what[1] in self.interesting_events:
  47                         Converter.changed(self, what)