lib/python/Components/ServicePosition.py

   1 from PerServiceDisplay import *
   2 from enigma import eTimer
   3
   4
   5 from enigma import pNavigation, iSeekableServicePtr
   6
   7 class ServicePosition(PerServiceDisplay):
   8         TYPE_LENGTH = 0,
   9         TYPE_POSITION = 1,
  10         TYPE_REMAINING = 2
  11
  12         def __init__(self, navcore, type):
  13                 self.updateTimer = eTimer()
  14                 self.updateTimer.timeout.get().append(self.update)
  15                 PerServiceDisplay.__init__(self, navcore,
  16                         {
  17                                 pNavigation.evNewService: self.newService,
  18                                 pNavigation.evStopService: self.stopEvent
  19                         })
  20                 self.type = type
  21 #               self.setType(type)
  22
  23         def newService(self):
  24                 self.setType(self.type)
  25
  26         def setType(self, type):
  27                 self.type = type
  28
  29                 seek = iSeekableServicePtr()
  30                 service = self.navcore.getCurrentService()
  31
  32                 self.updateTimer.stop()
  33                 self.available = 0
  34
  35                 if service != None:
  36                         if not service.seek(seek):
  37                                 if self.type != self.TYPE_LENGTH:
  38                                         self.updateTimer.start(500)
  39
  40                                 self.length = self.get(self.TYPE_LENGTH)
  41                                 self.available = 1
  42
  43                 self.update()
  44
  45         def get(self, what):
  46                 seek = iSeekableServicePtr()
  47                 service = self.navcore.getCurrentService()
  48
  49                 if service != None:
  50                         if not service.seek(seek):
  51                                 if what == self.TYPE_LENGTH:
  52                                         r = seek.getLength()
  53                                 elif what == self.TYPE_POSITION:
  54                                         r = seek.getPlayPosition()
  55                                 if not r[0]:
  56                                         return r[1] / 90000
  57
  58                 return -1
  59
  60         def update(self):
  61                 if self.available:
  62                         if self.type == self.TYPE_LENGTH:
  63                                 l = self.length
  64                         elif self.type == self.TYPE_POSITION:
  65                                 l = self.get(self.TYPE_POSITION)
  66                         elif self.type == self.TYPE_REMAINING:
  67                                 l = self.length - self.get(self.TYPE_POSITION)
  68
  69                         self.setText("%d:%02d" % (l/60, l%60))
  70                 else:
  71                         self.setText("-:--")
  72
  73         def stopEvent(self):
  74                 self.updateTimer.stop()
  75                 self.setText("");