lib/python/Components/ServicePosition.py

   1 from PerServiceDisplay import *
   2 from enigma import eTimer
   3
   4 from enigma import iPlayableService, iSeekableServicePtr, ePositionGauge
   5
   6 class ServicePosition(PerServiceDisplay):
   7         TYPE_LENGTH = 0,
   8         TYPE_POSITION = 1,
   9         TYPE_REMAINING = 2
  10
  11         def __init__(self, navcore, type):
  12                 self.updateTimer = eTimer()
  13                 self.updateTimer.timeout.get().append(self.update)
  14                 PerServiceDisplay.__init__(self, navcore,
  15                         {
  16                                 iPlayableService.evStart: self.newService,
  17                                 iPlayableService.evEnd: self.stopEvent
  18                         })
  19                 self.type = type
  20 #               self.setType(type)
  21
  22         def newService(self):
  23                 self.setType(self.type)
  24
  25         def setType(self, type):
  26                 self.type = type
  27
  28                 self.updateTimer.start(500)
  29                 self.update()
  30
  31         def get(self, what):
  32                 service = self.navcore.getCurrentService()
  33
  34                 if service != None:
  35                         seek = service.seek()
  36                         if seek != None:
  37                                 if what == self.TYPE_LENGTH:
  38                                         r = seek.getLength()
  39                                 elif what == self.TYPE_POSITION:
  40                                         r = seek.getPlayPosition()
  41                                 if not r[0]:
  42                                         return r[1] / 90000
  43
  44                 return -1
  45
  46         def update(self):
  47                 seek = None
  48                 service = self.navcore.getCurrentService()
  49                 if service != None:
  50                         seek = service.seek()
  51
  52                 if seek is not None:
  53                         if self.type == self.TYPE_LENGTH:
  54                                 l = self.get(self.TYPE_LENGTH)
  55                         elif self.type == self.TYPE_POSITION:
  56                                 l = self.get(self.TYPE_POSITION)
  57                         elif self.type == self.TYPE_REMAINING:
  58                                 l = self.get(self.TYPE_LENGTH) - self.get(self.TYPE_POSITION)
  59
  60                         self.setText("%d:%02d" % (l/60, l%60))
  61                         self.updateTimer.start(500)
  62                 else:
  63                         self.updateTimer.start(10000)
  64                         self.setText("-:--")
  65
  66         def stopEvent(self):
  67                 self.updateTimer.stop()
  68                 self.setText("");
  69
  70 class ServicePositionGauge(PerServiceBase):
  71         def __init__(self, navcore):
  72                 PerServiceBase.__init__(self, navcore,
  73                         {
  74                                 iPlayableService.evStart: self.newService,
  75                                 iPlayableService.evEnd: self.stopEvent
  76                         })
  77
  78         def newService(self):
  79                 if self.get() is None:
  80                         self.disablePolling()
  81                 else:
  82                         self.enablePolling(interval=500)
  83
  84         def get(self):
  85                 service = self.navcore.getCurrentService()
  86                 if service is None:
  87                         return None
  88                 seek = service.seek()
  89                 if seek is None:
  90                         return None
  91
  92                 len = seek.getLength()
  93                 pos = seek.getPlayPosition()
  94
  95                 if len[0] or pos[0]:
  96                         return (0, 0)
  97                 return (len[1], pos[1])
  98
  99         def poll(self):
 100                 data = self.get()
 101                 if data is None:
 102                         return
 103
 104                 if self.instance is not None:
 105                         self.instance.setLength(data[0])
 106                         self.instance.setPosition(data[1])
 107
 108         def stopEvent(self):
 109                 self.disablePolling()
 110
 111         def GUIcreate(self, parent):
 112                 self.instance = ePositionGauge(parent)
 113
 114         def GUIdelete(self):
 115                 self.instance = None