lib/python/Components/VolumeControl.py

   1 from enigma import eDVBVolumecontrol, eTimer
   2 from Tools.Profile import profile
   3 from Screens.Volume import Volume
   4 from Screens.Mute import Mute
   5 from GlobalActions import globalActionMap
   6 from config import config, ConfigSubsection, ConfigInteger
   7
   8 instance = None
   9
  10 profile("VolumeControl")
  11 #TODO .. move this to a own .py file
  12 class VolumeControl:
  13         """Volume control, handles volUp, volDown, volMute actions and display
  14         a corresponding dialog"""
  15         def __init__(self, session):
  16                 global globalActionMap
  17                 global instance
  18                 globalActionMap.actions["volumeUp"]=self.volUp
  19                 globalActionMap.actions["volumeDown"]=self.volDown
  20                 globalActionMap.actions["volumeMute"]=self.volMute
  21
  22                 assert not instance, "only one VolumeControl instance is allowed!"
  23                 instance = self
  24
  25                 config.audio = ConfigSubsection()
  26                 config.audio.volume = ConfigInteger(default = 100, limits = (0, 100))
  27
  28                 self.volumeDialog = session.instantiateDialog(Volume)
  29                 self.muteDialog = session.instantiateDialog(Mute)
  30
  31                 self.hideVolTimer = eTimer()
  32                 self.hideVolTimer.callback.append(self.volHide)
  33
  34                 vol = config.audio.volume.value
  35                 self.volumeDialog.setValue(vol)
  36                 self.volctrl = eDVBVolumecontrol.getInstance()
  37                 self.volctrl.setVolume(vol, vol)
  38
  39         def volSave(self):
  40                 if self.volctrl.isMuted():
  41                         config.audio.volume.value = 0
  42                 else:
  43                         config.audio.volume.value = self.volctrl.getVolume()
  44                 config.audio.volume.save()
  45
  46         def volUp(self):
  47                 self.setVolume(+1)
  48
  49         def volDown(self):
  50                 self.setVolume(-1)
  51
  52         def setVolume(self, direction):
  53                 oldvol = self.volctrl.getVolume()
  54                 if direction > 0:
  55                         self.volctrl.volumeUp()
  56                 else:
  57                         self.volctrl.volumeDown()
  58                 is_muted = self.volctrl.isMuted()
  59                 vol = self.volctrl.getVolume()
  60                 self.volumeDialog.show()
  61                 if is_muted:
  62                         self.volMute() # unmute
  63                 elif not vol:
  64                         self.volMute(False, True) # mute but dont show mute symbol
  65                 if self.volctrl.isMuted():
  66                         self.volumeDialog.setValue(0)
  67                 else:
  68                         self.volumeDialog.setValue(self.volctrl.getVolume())
  69                 self.volSave()
  70                 self.hideVolTimer.start(3000, True)
  71
  72         def volHide(self):
  73                 self.volumeDialog.hide()
  74
  75         def volMute(self, showMuteSymbol=True, force=False):
  76                 vol = self.volctrl.getVolume()
  77                 if vol or force:
  78                         self.volctrl.volumeToggleMute()
  79                         if self.volctrl.isMuted():
  80                                 if showMuteSymbol:
  81                                         self.muteDialog.show()
  82                                 self.volumeDialog.setValue(0)
  83                         else:
  84                                 self.muteDialog.hide()
  85                                 self.volumeDialog.setValue(vol)