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