lib/python/Components/ServicePosition.py

   1 from PerServiceDisplay import PerServiceDisplay, PerServiceBase
   2 from enigma import eTimer, iPlayableService, iSeekableServicePtr, ePositionGauge
   3 import time
   4
   5 class ServicePosition(PerServiceDisplay):
   6         TYPE_LENGTH = 0,
   7         TYPE_POSITION = 1,
   8         TYPE_REMAINING = 2,
   9         TYPE_RELATIVE = 3
  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.relative_base = 0
  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                 self.updateTimer.start(500)
  30                 self.update()
  31
  32         def setRelative(self, rel):
  33                 self.relative_base = rel
  34
  35         def get(self, what):
  36                 service = self.navcore.getCurrentService()
  37                 seek = service and service.seek()
  38                 if seek != None:
  39                         if what == self.TYPE_LENGTH:
  40                                 r = seek.getLength()
  41                         elif what == self.TYPE_POSITION:
  42                                 r = seek.getPlayPosition()
  43                         if not r[0]:
  44                                 return r[1] / 90000
  45
  46                 return -1
  47
  48         def update(self):
  49                 seek = None
  50                 service = self.navcore.getCurrentService()
  51                 if service != None:
  52                         seek = service.seek()
  53
  54                 if seek is not None:
  55                         if self.type != self.TYPE_RELATIVE:
  56                                 if self.type == self.TYPE_LENGTH:
  57                                         l = self.get(self.TYPE_LENGTH)
  58                                 elif self.type == self.TYPE_POSITION:
  59                                         l = self.get(self.TYPE_POSITION)
  60                                 elif self.type == self.TYPE_REMAINING:
  61                                         l = self.get(self.TYPE_LENGTH) - self.get(self.TYPE_POSITION)
  62
  63                                 self.setText("%d:%02d" % (l/60, l%60))
  64                         else:
  65                                 l = self.get(self.TYPE_POSITION)
  66                                 if l != -1:
  67                                         l += self.relative_base
  68                                         t = time.localtime(l)
  69                                         timestr = "%2d:%02d:%02d" % (t.tm_hour, t.tm_min, t.tm_sec)
  70                                 else:
  71                                         timestr = ""
  72
  73                                 self.setText(timestr)
  74
  75                         self.updateTimer.start(500)
  76                 else:
  77                         self.updateTimer.start(10000)
  78                         self.setText("-:--")
  79
  80         def stopEvent(self):
  81                 self.updateTimer.stop()
  82                 self.setText("");
  83
  84 class ServicePositionGauge(PerServiceBase):
  85         def __init__(self, navcore):
  86                 PerServiceBase.__init__(self, navcore,
  87                         {
  88                                 iPlayableService.evStart: self.newService,
  89                                 iPlayableService.evEnd: self.stopEvent,
  90                                 iPlayableService.evCuesheetChanged: self.newCuesheet
  91                         })
  92                 self.instance = None
  93
  94         def newService(self):
  95                 if self.get() is None:
  96                         self.disablePolling()
  97                 else:
  98                         self.enablePolling(interval=500)
  99                         self.newCuesheet()
 100
 101         def get(self):
 102                 service = self.navcore.getCurrentService()
 103                 seek = service and service.seek()
 104                 if seek is None:
 105                         return None
 106
 107                 len = seek.getLength()
 108                 pos = seek.getPlayPosition()
 109
 110                 if len[0] or pos[0]:
 111                         return (0, 0)
 112                 return (len[1], pos[1])
 113
 114         def poll(self):
 115                 data = self.get()
 116                 if data is None:
 117                         return
 118
 119                 if self.instance is not None:
 120                         self.instance.setLength(data[0])
 121                         self.instance.setPosition(data[1])
 122
 123         def stopEvent(self):
 124                 self.disablePolling()
 125
 126         GUI_WIDGET = ePositionGauge
 127
 128         def postWidgetCreate(self, instance):
 129                 self.newService()
 130
 131         def newCuesheet(self):
 132                 service = self.navcore.getCurrentService()
 133                 cue = service and service.cueSheet()
 134                 cutlist = (cue and cue.getCutList()) or [ ]
 135                 if self.instance is not None:
 136                         self.instance.setInOutList(cutlist)