fix order for cable setup
[enigma2.git] / lib / python / Screens / InfoBarGenerics.py
index b218950d309545853fa6ca9d3f7b4f583565e2a9..6fbf9ded5074cec49a55e8c9441a3deba1c36dee 100644 (file)
@@ -1,69 +1,48 @@
 from Screen import Screen
-from Components.ActionMap import ActionMap
+from Components.ActionMap import ActionMap, HelpableActionMap
 from Components.ActionMap import NumberActionMap
-from Components.Label import Label
-from Components.config import configfile
-from ChannelSelection import ChannelSelection
+from Components.Label import *
+from Components.ProgressBar import *
+from Components.config import configfile, configsequencearg
+from Components.config import config, configElement, ConfigSubsection, configSequence
+from ChannelSelection import ChannelSelection, BouquetSelector
 
+from Components.Pixmap import Pixmap, PixmapConditional
+from Components.BlinkingPixmap import BlinkingPixmapConditional
 from Components.ServiceName import ServiceName
-from Components.EventInfo import EventInfo
+from Components.EventInfo import EventInfo, EventInfoProgress
 
+from ServiceReference import ServiceReference
 from EpgSelection import EPGSelection
 
 from Screens.MessageBox import MessageBox
-from Screens.Volume import Volume
-from Screens.Mute import Mute
+from Screens.Dish import Dish
 from Screens.Standby import Standby
+from Screens.EventView import EventViewEPGSelect
+from Screens.MinuteInput import MinuteInput
+from Components.Harddisk import harddiskmanager
+
+from Components.ServiceEventTracker import ServiceEventTracker
+
+from Tools import Notifications
+from Tools.Directories import *
 
 #from enigma import eTimer, eDVBVolumecontrol, quitMainloop
 from enigma import *
 
 import time
+import os
+import bisect
+
+from Components.config import config, currentConfigSelectionElement
 
 # hack alert!
 from Menu import MainMenu, mdom
 
-class InfoBarVolumeControl:
-       """Volume control, handles volUp, volDown, volMute actions and display 
-       a corresponding dialog"""
-       
+class InfoBarDish:
        def __init__(self):
-               self["VolumeActions"] = ActionMap( ["InfobarVolumeActions"] ,
-                       {
-                               "volumeUp": self.volUp,
-                               "volumeDown": self.volDown,
-                               "volumeMute": self.volMute,
-                       })
-
-               self.volumeDialog = self.session.instantiateDialog(Volume)
-               self.muteDialog = self.session.instantiateDialog(Mute)
-
-               self.hideVolTimer = eTimer()
-               self.hideVolTimer.timeout.get().append(self.volHide)
-       
-       def     volUp(self):
-               eDVBVolumecontrol.getInstance().volumeUp()
-               self.volumeDialog.instance.show()
-               self.volumeDialog.setValue(eDVBVolumecontrol.getInstance().getVolume())
-               self.hideVolTimer.start(3000)
-
-       def     volDown(self):
-               eDVBVolumecontrol.getInstance().volumeDown()
-               self.volumeDialog.instance.show()
-               self.volumeDialog.setValue(eDVBVolumecontrol.getInstance().getVolume())
-               self.hideVolTimer.start(3000)
-               
-       def volHide(self):
-               self.volumeDialog.instance.hide()
-
-       def     volMute(self):
-               eDVBVolumecontrol.getInstance().volumeToggleMute()
-               self.volumeDialog.setValue(eDVBVolumecontrol.getInstance().getVolume())
-               
-               if (eDVBVolumecontrol.getInstance().isMuted()):
-                       self.muteDialog.instance.show()
-               else:
-                       self.muteDialog.instance.hide()
+               self.dishDialog = self.session.instantiateDialog(Dish)
+               self.onLayoutFinish.append(self.dishDialog.show)
 
 class InfoBarShowHide:
        """ InfoBar show/hide control, accepts toggleShow and hide actions, might start
@@ -80,53 +59,75 @@ class InfoBarShowHide:
                                "hide": self.hide,
                        })
 
-               self.state = self.STATE_HIDDEN
+               self.__state = self.STATE_SHOWN
+               self.__locked = 0
+               
+               self.onExecBegin.append(self.show)
                
                self.hideTimer = eTimer()
                self.hideTimer.timeout.get().append(self.doTimerHide)
-               #self.hideTimer.start(1000)
+               self.hideTimer.start(5000, True)
+               
+               self.onShow.append(self.__onShow)
+               self.onHide.append(self.__onHide)
 
-       def hide(self): 
-               self.instance.hide()
+       def __onShow(self):
+               self.__state = self.STATE_SHOWN
+               self.startHideTimer()
+       
+       def startHideTimer(self):
+               if self.__state == self.STATE_SHOWN and not self.__locked:
+                       self.hideTimer.start(5000, True)
+
+       def __onHide(self):
+               self.__state = self.STATE_HIDDEN
+
+       def doShow(self):
+               self.show()
+               self.startHideTimer()
 
        def doTimerHide(self):
-               if self.state == self.STATE_SHOWN:
-                       self.instance.hide()
-                       self.state = self.STATE_HIDDEN
+               self.hideTimer.stop()
+               if self.__state == self.STATE_SHOWN:
+                       self.hide()
 
        def toggleShow(self):
-               if self.state == self.STATE_SHOWN:
-                       self.instance.hide()
-                       #pls check animation support, sorry
-#                      self.startHide()
-                       self.state = self.STATE_HIDDEN
-               else:
-                       self.instance.show()
-#                      self.startShow()
-                       self.state = self.STATE_SHOWN
-                       #TODO: make it customizable
-                       self.hideTimer.start(5000)
-
-       def startShow(self):
-               self.instance.m_animation.startMoveAnimation(ePoint(0, 600), ePoint(0, 380), 100)
-               self.state = self.STATE_SHOWN
+               if self.__state == self.STATE_SHOWN:
+                       self.hide()
+                       self.hideTimer.stop()
+               elif self.__state == self.STATE_HIDDEN:
+                       self.show()
+
+       def lockShow(self):
+               self.__locked = self.__locked + 1
+               if self.execing:
+                       self.show()
+                       self.hideTimer.stop()
        
-       def startHide(self):
-               self.instance.m_animation.startMoveAnimation(ePoint(0, 380), ePoint(0, 600), 100)
-               self.state = self.STATE_HIDDEN
+       def unlockShow(self):
+               self.__locked = self.__locked - 1
+               if self.execing:
+                       self.startHideTimer()
+
+#      def startShow(self):
+#              self.instance.m_animation.startMoveAnimation(ePoint(0, 600), ePoint(0, 380), 100)
+#              self.__state = self.STATE_SHOWN
+#      
+#      def startHide(self):
+#              self.instance.m_animation.startMoveAnimation(ePoint(0, 380), ePoint(0, 600), 100)
+#              self.__state = self.STATE_HIDDEN
 
 class NumberZap(Screen):
        def quit(self):
                self.Timer.stop()
-               self.close()
+               self.close(0)
 
        def keyOK(self):
                self.Timer.stop()
-               print "do the action here"
-               self.close()
+               self.close(int(self["number"].getText()))
 
        def keyNumberGlobal(self, number):
-               self.Timer.start(3000)          #reset timer
+               self.Timer.start(3000, True)            #reset timer
                self.field = self.field + str(number)
                self["number"].setText(self.field)
                if len(self.field) >= 4:
@@ -135,7 +136,9 @@ class NumberZap(Screen):
        def __init__(self, session, number):
                Screen.__init__(self, session)
                self.field = str(number)
-               
+
+               self["channel"] = Label(_("Channel:"))
+
                self["number"] = Label(self.field)
 
                self["actions"] = NumberActionMap( [ "SetupActions" ], 
@@ -156,7 +159,7 @@ class NumberZap(Screen):
 
                self.Timer = eTimer()
                self.Timer.timeout.get().append(self.keyOK)
-               self.Timer.start(3000)
+               self.Timer.start(3000, True)
 
 class InfoBarPowerKey:
        """ PowerKey stuff - handles the powerkey press and powerkey release actions"""
@@ -164,10 +167,12 @@ class InfoBarPowerKey:
        def __init__(self):
                self.powerKeyTimer = eTimer()
                self.powerKeyTimer.timeout.get().append(self.powertimer)
-               self["PowerKeyActions"] = ActionMap( ["PowerKeyActions"],
+               self["PowerKeyActions"] = HelpableActionMap(self, "PowerKeyActions",
                        {
                                "powerdown": self.powerdown,
                                "powerup": self.powerup,
+                               "discreteStandby": (self.standby, "Go standby"),
+                               "discretePowerOff": (self.quit, "Go to deep standby"),
                        })
 
        def powertimer(self):   
@@ -176,21 +181,25 @@ class InfoBarPowerKey:
        
        def powerdown(self):
                self.standbyblocked = 0
-               self.powerKeyTimer.start(3000)
+               self.powerKeyTimer.start(3000, True)
 
        def powerup(self):
                self.powerKeyTimer.stop()
                if self.standbyblocked == 0:
                        self.standbyblocked = 1
-                       self.session.open(Standby, self)
+                       self.standby()
+
+       def standby(self):
+               self.session.open(Standby, self)
 
        def quit(self):
-               quitMainloop(0)
+               # halt
+               quitMainloop(1)
 
 class InfoBarNumberZap:
        """ Handles an initial number for NumberZapping """
        def __init__(self):
-               self["NumberZapActions"] = NumberActionMap( [ "NumberZapActions"],
+               self["NumberActions"] = NumberActionMap( [ "NumberActions"],
                        {
                                "1": self.keyNumberGlobal,
                                "2": self.keyNumberGlobal,
@@ -205,8 +214,56 @@ class InfoBarNumberZap:
                        })
 
        def keyNumberGlobal(self, number):
-               print "You pressed number " + str(number)
-               self.session.open(NumberZap, number)
+#              print "You pressed number " + str(number)
+               if number == 0:
+                       self.servicelist.recallPrevService()
+                       self.doShow()
+               else:
+                       self.session.openWithCallback(self.numberEntered, NumberZap, number)
+
+       def numberEntered(self, retval):
+#              print self.servicelist
+               if retval > 0:
+                       self.zapToNumber(retval)
+
+       def searchNumberHelper(self, serviceHandler, num, bouquet):
+               servicelist = serviceHandler.list(bouquet)
+               if not servicelist is None:
+                       while num:
+                               serviceIterator = servicelist.getNext()
+                               if not serviceIterator.valid(): #check end of list
+                                       break
+                               if serviceIterator.flags: #assume normal dvb service have no flags set
+                                       continue
+                               num -= 1;
+                       if not num: #found service with searched number ?
+                               return serviceIterator, 0
+               return None, num
+
+       def zapToNumber(self, number):
+               bouquet = self.servicelist.bouquet_root
+               service = None
+               serviceHandler = eServiceCenter.getInstance()
+               if bouquet.toString().find('FROM BOUQUET "bouquets.') == -1: #FIXME HACK
+                       service, number = self.searchNumberHelper(serviceHandler, number, bouquet)
+               else:
+                       bouquetlist = serviceHandler.list(bouquet)
+                       if not bouquetlist is None:
+                               while number:
+                                       bouquet = self.servicelist.appendDVBTypes(bouquetlist.getNext())
+                                       if not bouquet.valid(): #check end of list
+                                               break
+                                       if (bouquet.flags & eServiceReference.flagDirectory) != eServiceReference.flagDirectory:
+                                               continue
+                                       service, number = self.searchNumberHelper(serviceHandler, number, bouquet)
+               if not service is None:
+                       if self.servicelist.getRoot() != bouquet: #already in correct bouquet?
+                               self.servicelist.clearPath()
+                               if self.servicelist.bouquet_root != bouquet:
+                                       self.servicelist.enterPath(self.servicelist.bouquet_root)
+                               self.servicelist.enterPath(bouquet)
+                       self.servicelist.setCurrentSelection(service) #select the service in servicelist
+                       self.servicelist.zap()
 
 class InfoBarChannelSelection:
        """ ChannelSelection - handles the channelSelection dialog and the initial 
@@ -215,36 +272,52 @@ class InfoBarChannelSelection:
                #instantiate forever
                self.servicelist = self.session.instantiateDialog(ChannelSelection)
 
-               self["ChannelSelectActions"] = ActionMap( ["InfobarChannelSelection"],
+               self["ChannelSelectActions"] = HelpableActionMap(self, "InfobarChannelSelection",
                        {
                                "switchChannelUp": self.switchChannelUp,
                                "switchChannelDown": self.switchChannelDown,
-                               "zapUp": self.zapUp,
-                               "zapDown": self.zapDown,
+                               "zapUp": (self.zapUp, _("previous channel")),
+                               "zapDown": (self.zapDown, _("next channel")),
+                               "historyBack": (self.historyBack, _("previous channel in history")),
+                               "historyNext": (self.historyNext, _("next channel in history"))
                        })
-                       
-       def switchChannelUp(self):      
+
+       def historyBack(self):
+               self.servicelist.historyBack()
+
+       def historyNext(self):
+               self.servicelist.historyNext()
+
+       def switchChannelUp(self):
                self.servicelist.moveUp()
                self.session.execDialog(self.servicelist)
 
-       def switchChannelDown(self):    
+       def switchChannelDown(self):
                self.servicelist.moveDown()
                self.session.execDialog(self.servicelist)
 
-       def     zapUp(self):
+       def zapUp(self):
+               if currentConfigSelectionElement(config.usage.quickzap_bouquet_change) == "yes":
+                       if self.servicelist.inBouquet() and self.servicelist.atBegin():
+                               self.servicelist.prevBouquet()
                self.servicelist.moveUp()
                self.servicelist.zap()
+               self.doShow()
 
-       def     zapDown(self):
-               self.servicelist.moveDown()
+       def zapDown(self):
+               if currentConfigSelectionElement(config.usage.quickzap_bouquet_change) == "yes" and self.servicelist.inBouquet() and self.servicelist.atEnd():
+                       self.servicelist.nextBouquet()
+               else:
+                       self.servicelist.moveDown()
                self.servicelist.zap()
+               self.doShow()
 
 class InfoBarMenu:
        """ Handles a menu action, to open the (main) menu """
        def __init__(self):
-               self["MenuActions"] = ActionMap( [ "InfobarMenuActions" ]
+               self["MenuActions"] = HelpableActionMap(self, "InfobarMenuActions"
                        {
-                               "mainMenu": self.mainMenu,
+                               "mainMenu": (self.mainMenu, "Enter main menu..."),
                        })
 
        def mainMenu(self):
@@ -256,20 +329,140 @@ class InfoBarMenu:
 class InfoBarEPG:
        """ EPG - Opens an EPG list when the showEPGList action fires """
        def __init__(self):
-               self["EPGActions"] = ActionMap( [ "InfobarEPGActions" ]
+               self["EPGActions"] = HelpableActionMap(self, "InfobarEPGActions"
                        {
-                               "showEPGList": self.showEPGList,
+                               "showEventInfo": (self.openEventView, _("show EPG...")),
                        })
 
-       def showEPGList(self):
+       def zapToService(self, service):
+               if not service is None:
+                       if self.servicelist.getRoot() != self.epg_bouquet: #already in correct bouquet?
+                               self.servicelist.clearPath()
+                               if self.servicelist.bouquet_root != self.epg_bouquet:
+                                       self.servicelist.enterPath(self.servicelist.bouquet_root)
+                               self.servicelist.enterPath(self.epg_bouquet)
+                       self.servicelist.setCurrentSelection(service) #select the service in servicelist
+                       self.servicelist.zap()
+
+       def openBouquetEPG(self, bouquet, withCallback=True):
+               ptr=eEPGCache.getInstance()
+               services = [ ]
+               servicelist = eServiceCenter.getInstance().list(bouquet)
+               if not servicelist is None:
+                       while True:
+                               service = servicelist.getNext()
+                               if not service.valid(): #check if end of list
+                                       break
+                               if service.flags: #ignore non playable services
+                                       continue
+                               services.append(ServiceReference(service))
+               if len(services):
+                       self.epg_bouquet = bouquet
+                       if withCallback:
+                               self.session.openWithCallback(self.closed, EPGSelection, services, self.zapToService)
+                       else:
+                               self.session.open(EPGSelection, services, self.zapToService)
+
+       def closed(self, ret):
+               if ret:
+                       self.close(ret)
+
+       def openMultiServiceEPG(self, withCallback=True):
+               bouquets = self.servicelist.getBouquetList()
+               if bouquets is None:
+                       cnt = 0
+               else:
+                       cnt = len(bouquets)
+               if cnt > 1: # show bouquet list
+                       if withCallback:
+                               self.session.openWithCallback(self.closed, BouquetSelector, bouquets, self.openBouquetEPG)
+                       else:
+                               self.session.open(BouquetSelector, bouquets, self.openBouquetEPG)
+               elif cnt == 1: 
+                       self.openBouquetEPG(bouquets[0][1], withCallback)
+
+       def openSingleServiceEPG(self):
                ref=self.session.nav.getCurrentlyPlayingServiceReference()
                ptr=eEPGCache.getInstance()
-               if ptr.startTimeQuery(ref) != -1:
-                       self.session.open(EPGSelection, ref)
+               self.session.openWithCallback(self.closed, EPGSelection, ref)
+
+       def openEventView(self):
+               self.epglist = [ ]
+               service = self.session.nav.getCurrentService()
+               ref = self.session.nav.getCurrentlyPlayingServiceReference()
+               info = service.info()
+               ptr=info.getEvent(0)
+               if ptr:
+                       self.epglist.append(ptr)
+               ptr=info.getEvent(1)
+               if ptr:
+                       self.epglist.append(ptr)
+               if len(self.epglist) == 0:
+                       epg = eEPGCache.getInstance()
+                       ptr = epg.lookupEventTime(ref, -1)
+                       if ptr:
+                               self.epglist.append(ptr)
+                               ptr = epg.lookupEventTime(ref, ptr.getBeginTime(), +1)
+                               if ptr:
+                                       self.epglist.append(ptr)
+               if len(self.epglist) > 0:
+                       self.session.open(EventViewEPGSelect, self.epglist[0], ServiceReference(ref), self.eventViewCallback, self.openSingleServiceEPG, self.openMultiServiceEPG)
                else:
-                       print 'no epg for service', ref.toString()
+                       print "no epg for the service avail.. so we show multiepg instead of eventinfo"
+                       self.openMultiServiceEPG(False)
+
+       def eventViewCallback(self, setEvent, setService, val): #used for now/next displaying
+               if len(self.epglist) > 1:
+                       tmp = self.epglist[0]
+                       self.epglist[0]=self.epglist[1]
+                       self.epglist[1]=tmp
+                       setEvent(self.epglist[0])
+
+from math import log
 
-class InfoBarEvent:    
+class InfoBarTuner:
+       """provides a snr/agc/ber display"""
+       def __init__(self):
+               self["snr"] = Label()
+               self["agc"] = Label()
+               self["ber"] = Label()
+               self["snr_percent"] = Label()
+               self["agc_percent"] = Label()
+               self["ber_count"] = Label()
+               self["snr_progress"] = ProgressBar()
+               self["agc_progress"] = ProgressBar()
+               self["ber_progress"] = ProgressBar()
+               self.timer = eTimer()
+               self.timer.timeout.get().append(self.updateTunerInfo)
+               self.timer.start(1000)
+
+       def calc(self,val):
+               if not val:
+                       return 0
+               if val < 2500:
+                       return (long)(log(val)/log(2))
+               return val*100/65535
+
+       def updateTunerInfo(self):
+               if self.instance.isVisible():
+                       service = self.session.nav.getCurrentService()
+                       snr=0
+                       agc=0
+                       ber=0
+                       if service is not None:
+                               feinfo = service.frontendStatusInfo()
+                               if feinfo is not None:
+                                       ber=feinfo.getFrontendInfo(iFrontendStatusInformation.bitErrorRate)
+                                       snr=feinfo.getFrontendInfo(iFrontendStatusInformation.signalPower)*100/65536
+                                       agc=feinfo.getFrontendInfo(iFrontendStatusInformation.signalQuality)*100/65536
+                       self["snr_percent"].setText("%d%%"%(snr))
+                       self["agc_percent"].setText("%d%%"%(agc))
+                       self["ber_count"].setText("%d"%(ber))
+                       self["snr_progress"].setValue(snr)
+                       self["agc_progress"].setValue(agc)
+                       self["ber_progress"].setValue(self.calc(ber))
+
+class InfoBarEvent:
        """provides a current/next event info display"""
        def __init__(self):
                self["Event_Now_StartTime"] = EventInfo(self.session.nav, EventInfo.Now_StartTime)
@@ -278,99 +471,549 @@ class InfoBarEvent:
                self["Event_Now"] = EventInfo(self.session.nav, EventInfo.Now)
                self["Event_Next"] = EventInfo(self.session.nav, EventInfo.Next)
 
-               self["Event_Now_Duration"] = EventInfo(self.session.nav, EventInfo.Now_Duration)
+               self["Event_Now_Duration"] = EventInfo(self.session.nav, EventInfo.Now_Remaining)
                self["Event_Next_Duration"] = EventInfo(self.session.nav, EventInfo.Next_Duration)
 
+               self["Now_ProgressBar"] = EventInfoProgress(self.session.nav, EventInfo.Now)
+
 class InfoBarServiceName:
        def __init__(self):
                self["ServiceName"] = ServiceName(self.session.nav)
 
-class InfoBarPVR:
-       """handles PVR specific actions like seeking, pause"""
+class InfoBarSeek:
+       """handles actions like seeking, pause"""
+       
+       # ispause, isff, issm
+       SEEK_STATE_PLAY = (0, 0, 0, ">")
+       SEEK_STATE_PAUSE = (1, 0, 0, "||")
+       SEEK_STATE_FF_2X = (0, 2, 0, ">> 2x")
+       SEEK_STATE_FF_4X = (0, 4, 0, ">> 4x")
+       SEEK_STATE_FF_8X = (0, 8, 0, ">> 8x")
+       SEEK_STATE_FF_32X = (0, 32, 0, ">> 32x")
+       SEEK_STATE_FF_64X = (0, 64, 0, ">> 64x")
+       SEEK_STATE_FF_128X = (0, 128, 0, ">> 128x")
+       
+       SEEK_STATE_BACK_16X = (0, -16, 0, "<< 16x")
+       SEEK_STATE_BACK_32X = (0, -32, 0, "<< 32x")
+       SEEK_STATE_BACK_64X = (0, -64, 0, "<< 64x")
+       SEEK_STATE_BACK_128X = (0, -128, 0, "<< 128x")
+       
+       SEEK_STATE_SM_HALF = (0, 0, 2, "/2")
+       SEEK_STATE_SM_QUARTER = (0, 0, 4, "/4")
+       SEEK_STATE_SM_EIGHTH = (0, 0, 8, "/8")
+       
        def __init__(self):
-               self["PVRActions"] = ActionMap( [ "InfobarPVRActions" ], 
+               self.__event_tracker = ServiceEventTracker(screen=self, eventmap=
                        {
-                               "pauseService": self.pauseService,
-                               "unPauseService": self.unPauseService,
+                               iPlayableService.evSeekableStatusChanged: self.__seekableStatusChanged,
+                               iPlayableService.evStart: self.__serviceStarted,
                                
-                               "seekFwd": self.seekFwd,
-                               "seekBack": self.seekBack,
+                               iPlayableService.evEOF: self.__evEOF,
+                               iPlayableService.evSOF: self.__evSOF,
                        })
+               self["SeekActions"] = HelpableActionMap(self, "InfobarSeekActions", 
+                       {
+                               "pauseService": (self.pauseService, "pause"),
+                               "unPauseService": (self.unPauseService, "continue"),
+                               
+                               "seekFwd": (self.seekFwd, "skip forward"),
+                               "seekFwdDown": self.seekFwdDown,
+                               "seekFwdUp": self.seekFwdUp,
+                               "seekBack": (self.seekBack, "skip backward"),
+                               "seekBackDown": self.seekBackDown,
+                               "seekBackUp": self.seekBackUp,
+                       }, prio=-1)
+                       # give them a little more priority to win over color buttons
+
+               self.seekstate = self.SEEK_STATE_PLAY
+               self.onClose.append(self.delTimer)
+               
+               self.fwdtimer = False
+               self.fwdKeyTimer = eTimer()
+               self.fwdKeyTimer.timeout.get().append(self.fwdTimerFire)
+
+               self.rwdtimer = False
+               self.rwdKeyTimer = eTimer()
+               self.rwdKeyTimer.timeout.get().append(self.rwdTimerFire)
+               
+               self.onPlayStateChanged = [ ]
+               
+               self.lockedBecauseOfSkipping = False
+       
+       def up(self):
+               pass
+       
+       def down(self):
+               pass
+       
+       def delTimer(self):
+               del self.fwdKeyTimer
+               del self.rwdKeyTimer
+       
+       def getSeek(self):
+               service = self.session.nav.getCurrentService()
+               if service is None:
+                       return False
+
+               seek = service.seek()
+
+               if seek is None or not seek.isCurrentlySeekable():
+                       return None
+               
+               return seek
+       
+       def isSeekable(self):
+               if self.getSeek() is None:
+                       return False
+               return True
+
+       def __seekableStatusChanged(self):
+               print "seekable status changed!"
+               if not self.isSeekable():
+                       self["SeekActions"].setEnabled(False)
+                       print "not seekable, return to play"
+                       self.setSeekState(self.SEEK_STATE_PLAY)
+               else:
+                       self["SeekActions"].setEnabled(True)
+                       print "seekable"
+
+       def __serviceStarted(self):
+               self.seekstate = self.SEEK_STATE_PLAY
+
+       def setSeekState(self, state):
+               service = self.session.nav.getCurrentService()
+               
+               if service is None:
+                       return False
+               
+               if not self.isSeekable():
+                       if state not in [self.SEEK_STATE_PLAY, self.SEEK_STATE_PAUSE]:
+                               state = self.SEEK_STATE_PLAY
+               
+               pauseable = service.pause()
+
+               if pauseable is None:
+                       print "not pauseable."
+                       state = self.SEEK_STATE_PLAY
+               
+               oldstate = self.seekstate
+               self.seekstate = state
+               
+               for i in range(3):
+                       if oldstate[i] != self.seekstate[i]:
+                               (self.session.nav.pause, pauseable.setFastForward, pauseable.setSlowMotion)[i](self.seekstate[i])
+
+               for c in self.onPlayStateChanged:
+                       c(self.seekstate)
+               
+               self.checkSkipShowHideLock()
+
+               return True
                
        def pauseService(self):
-               self.session.nav.pause(1)
+               if self.seekstate == self.SEEK_STATE_PAUSE:
+                       print "pause, but in fact unpause"
+                       self.unPauseService()
+               else:
+                       if self.seekstate == self.SEEK_STATE_PLAY:
+                               print "yes, playing."
+                       else:
+                               print "no", self.seekstate
+                       print "pause"
+                       self.setSeekState(self.SEEK_STATE_PAUSE);
                
        def unPauseService(self):
-               self.session.nav.pause(0)
+               print "unpause"
+               self.setSeekState(self.SEEK_STATE_PLAY);
        
-       def doSeek(self, dir, seektime):
+       def doSeek(self, seektime):
+               print "doseek", seektime
                service = self.session.nav.getCurrentService()
                if service is None:
                        return
                
-               seekable = service.seek()
+               seekable = self.getSeek()
                if seekable is None:
                        return
-               seekable.seekRelative(dir, 90 * seektime)
+               
+               seekable.seekTo(90 * seektime)
+
+       def seekFwdDown(self):
+               print "start fwd timer"
+               self.fwdtimer = True
+               self.fwdKeyTimer.start(1000)
+
+       def seekBackDown(self):
+               print "start rewind timer"
+               self.rwdtimer = True
+               self.rwdKeyTimer.start(1000)
+
+       def seekFwdUp(self):
+               print "seekFwdUp"
+               if self.fwdtimer:
+                       self.fwdKeyTimer.stop()
+                       self.fwdtimer = False
+                       self.seekFwd()
 
        def seekFwd(self):
-               self.doSeek(+1, 60000)
+               lookup = {
+                               self.SEEK_STATE_PLAY: self.SEEK_STATE_FF_2X,
+                               self.SEEK_STATE_PAUSE: self.SEEK_STATE_SM_EIGHTH,
+                               self.SEEK_STATE_FF_2X: self.SEEK_STATE_FF_4X,
+                               self.SEEK_STATE_FF_4X: self.SEEK_STATE_FF_8X,
+                               self.SEEK_STATE_FF_8X: self.SEEK_STATE_FF_32X,
+                               self.SEEK_STATE_FF_32X: self.SEEK_STATE_FF_64X,
+                               self.SEEK_STATE_FF_64X: self.SEEK_STATE_FF_128X,
+                               self.SEEK_STATE_FF_128X: self.SEEK_STATE_FF_128X,
+                               self.SEEK_STATE_BACK_16X: self.SEEK_STATE_PLAY,
+                               self.SEEK_STATE_BACK_32X: self.SEEK_STATE_BACK_16X,
+                               self.SEEK_STATE_BACK_64X: self.SEEK_STATE_BACK_32X,
+                               self.SEEK_STATE_BACK_128X: self.SEEK_STATE_BACK_64X,
+                               self.SEEK_STATE_SM_HALF: self.SEEK_STATE_SM_HALF,
+                               self.SEEK_STATE_SM_QUARTER: self.SEEK_STATE_SM_HALF,
+                               self.SEEK_STATE_SM_EIGHTH: self.SEEK_STATE_SM_QUARTER
+                       }
+               self.setSeekState(lookup[self.seekstate])
        
+       def seekBackUp(self):
+               print "seekBackUp"
+               if self.rwdtimer:
+                       self.rwdKeyTimer.stop()
+                       self.rwdtimer = False
+                       self.seekBack()
+               
        def seekBack(self):
-               self.doSeek(-1, 60000)
+               lookup = {
+                               self.SEEK_STATE_PLAY: self.SEEK_STATE_BACK_16X,
+                               self.SEEK_STATE_PAUSE: self.SEEK_STATE_PAUSE,
+                               self.SEEK_STATE_FF_2X: self.SEEK_STATE_PLAY,
+                               self.SEEK_STATE_FF_4X: self.SEEK_STATE_FF_2X,
+                               self.SEEK_STATE_FF_8X: self.SEEK_STATE_FF_4X,
+                               self.SEEK_STATE_FF_32X: self.SEEK_STATE_FF_8X,
+                               self.SEEK_STATE_FF_64X: self.SEEK_STATE_FF_32X,
+                               self.SEEK_STATE_FF_128X: self.SEEK_STATE_FF_64X,
+                               self.SEEK_STATE_BACK_16X: self.SEEK_STATE_BACK_32X,
+                               self.SEEK_STATE_BACK_32X: self.SEEK_STATE_BACK_64X,
+                               self.SEEK_STATE_BACK_64X: self.SEEK_STATE_BACK_128X,
+                               self.SEEK_STATE_BACK_128X: self.SEEK_STATE_BACK_128X,
+                               self.SEEK_STATE_SM_HALF: self.SEEK_STATE_SM_QUARTER,
+                               self.SEEK_STATE_SM_QUARTER: self.SEEK_STATE_SM_EIGHTH,
+                               self.SEEK_STATE_SM_EIGHTH: self.SEEK_STATE_PAUSE
+                       }
+               self.setSeekState(lookup[self.seekstate])
+
+       def fwdTimerFire(self):
+               print "Display seek fwd"
+               self.fwdKeyTimer.stop()
+               self.fwdtimer = False
+               self.session.openWithCallback(self.fwdSeekTo, MinuteInput)
+               
+       def fwdSeekTo(self, minutes):
+               print "Seek", minutes, "minutes forward"
+               if minutes != 0:
+                       seekable = self.getSeek()
+                       if seekable is not None:
+                               seekable.seekRelative(1, minutes * 60 * 90000)
+       
+       def rwdTimerFire(self):
+               print "rwdTimerFire"
+               self.rwdKeyTimer.stop()
+               self.rwdtimer = False
+               self.session.openWithCallback(self.rwdSeekTo, MinuteInput)
+       
+       def rwdSeekTo(self, minutes):
+               print "rwdSeekTo"
+               self.fwdSeekTo(0 - minutes)
+       
+       def checkSkipShowHideLock(self):
+               wantlock = self.seekstate != self.SEEK_STATE_PLAY
+               
+               if self.lockedBecauseOfSkipping and not wantlock:
+                       self.unlockShow()
+                       self.lockedBecauseOfSkipping = False
+               
+               if wantlock and not self.lockedBecauseOfSkipping:
+                       self.lockShow()
+                       self.lockedBecauseOfSkipping = True
+
+       def __evEOF(self):
+               if self.seekstate != self.SEEK_STATE_PLAY:
+                       self.setSeekState(self.SEEK_STATE_PAUSE)
+                       # HACK
+                       self.getSeek().seekRelative(1, -90000)
+                       self.setSeekState(self.SEEK_STATE_PLAY)
+               else:
+                       self.setSeekState(self.SEEK_STATE_PAUSE)
+       
+       def __evSOF(self):
+               self.setSeekState(self.SEEK_STATE_PLAY)
+               self.doSeek(0)
+
+       def seekRelative(self, diff):
+               seekable = self.getSeek()
+               if seekable is not None:
+                       seekable.seekRelative(0, diff)
+
+from Screens.PVRState import PVRState
+
+class InfoBarPVRState:
+       def __init__(self):
+               self.onPlayStateChanged.append(self.__playStateChanged)
+               self.pvrStateDialog = self.session.instantiateDialog(PVRState)
+               self.onShow.append(self.__mayShow)
+               self.onHide.append(self.pvrStateDialog.hide)
+       
+       def __mayShow(self):
+               if self.seekstate != self.SEEK_STATE_PLAY:
+                       self.pvrStateDialog.show()
+
+       def __playStateChanged(self, state):
+               playstateString = state[3]
+               self.pvrStateDialog["state"].setText(playstateString)
+               self.__mayShow()
+
+class InfoBarShowMovies:
+
+       # i don't really like this class. 
+       # it calls a not further specified "movie list" on up/down/movieList,
+       # so this is not more than an action map
+       def __init__(self):
+               self["MovieListActions"] = HelpableActionMap(self, "InfobarMovieListActions", 
+                       {
+                               "movieList": (self.showMovies, "movie list"),
+                               "up": (self.showMovies, "movie list"),
+                               "down": (self.showMovies, "movie list")
+                       })
+
+# InfoBarTimeshift requires InfoBarSeek, instantiated BEFORE!
+
+# Hrmf.
+#
+# Timeshift works the following way:
+#                                         demux0   demux1                    "TimeshiftActions" "TimeshiftActivateActions" "SeekActions"
+# - normal playback                       TUNER    unused      PLAY               enable                disable              disable
+# - user presses "yellow" button.         TUNER    record      PAUSE              enable                disable              enable
+# - user presess pause again              FILE     record      PLAY               enable                disable              enable
+# - user fast forwards                    FILE     record      FF                 enable                disable              enable
+# - end of timeshift buffer reached       TUNER    record      PLAY               enable                enable               disable
+# - user backwards                        FILE     record      BACK  # !!         enable                disable              enable
+#
+
+# in other words:
+# - when a service is playing, pressing the "timeshiftStart" button ("yellow") enables recording ("enables timeshift"),
+# freezes the picture (to indicate timeshift), sets timeshiftMode ("activates timeshift")
+# now, the service becomes seekable, so "SeekActions" are enabled, "TimeshiftEnableActions" are disabled.
+# - the user can now PVR around
+# - if it hits the end, the service goes into live mode ("deactivates timeshift", it's of course still "enabled")
+# the service looses it's "seekable" state. It can still be paused, but just to activate timeshift right
+# after!
+# the seek actions will be disabled, but the timeshiftActivateActions will be enabled
+# - if the user rewinds, or press pause, timeshift will be activated again
+
+# note that a timeshift can be enabled ("recording") and
+# activated (currently time-shifting).
+
+class InfoBarTimeshift:
+       def __init__(self):
+               self["TimeshiftActions"] = HelpableActionMap(self, "InfobarTimeshiftActions", 
+                       {
+                               "timeshiftStart": (self.startTimeshift, "start timeshift"),  # the "yellow key"
+                               "timeshiftStop": (self.stopTimeshift, "stop timeshift")      # currently undefined :), probably 'TV'
+                       }, prio=1)
+               self["TimeshiftActivateActions"] = ActionMap(["InfobarTimeshiftActivateActions"],
+                       {
+                               "timeshiftActivateEnd": self.activateTimeshiftEnd, # something like "pause key"
+                               "timeshiftActivateEndAndPause": self.activateTimeshiftEndAndPause  # something like "backward key"
+                       }, prio=-1) # priority over record
+
+               self.timeshift_enabled = 0
+               self.timeshift_state = 0
+               self.ts_pause_timer = eTimer()
+               self.ts_pause_timer.timeout.get().append(self.pauseService)
+
+               self.__event_tracker = ServiceEventTracker(screen=self, eventmap=
+                       {
+                               iPlayableService.evSeekableStatusChanged: self.__seekableStatusChanged
+                       })
+       
+       def getTimeshift(self):
+               service = self.session.nav.getCurrentService()
+               return service.timeshift()
+
+       def startTimeshift(self):
+               print "enable timeshift"
+               ts = self.getTimeshift()
+               if ts is None:
+                       self.session.open(MessageBox, _("Timeshift not possible!"), MessageBox.TYPE_ERROR)
+                       print "no ts interface"
+                       return
+               
+               if self.timeshift_enabled:
+                       print "hu, timeshift already enabled?"
+               else:
+                       if not ts.startTimeshift():
+                               self.timeshift_enabled = 1
+                               
+                               # PAUSE.
+                               self.setSeekState(self.SEEK_STATE_PAUSE)
+                               
+                               # enable the "TimeshiftEnableActions", which will override
+                               # the startTimeshift actions
+                               self.__seekableStatusChanged()
+                       else:
+                               print "timeshift failed"
+
+       def stopTimeshift(self):
+               if not self.timeshift_enabled:
+                       return
+               print "disable timeshift"
+               ts = self.getTimeshift()
+               if ts is None:
+                       return
+               self.session.openWithCallback(self.stopTimeshiftConfirmed, MessageBox, _("Stop Timeshift?"), MessageBox.TYPE_YESNO)
+
+       def stopTimeshiftConfirmed(self, confirmed):
+               if not confirmed:
+                       return
+
+               ts = self.getTimeshift()
+               if ts is None:
+                       return
+
+               ts.stopTimeshift()
+               self.timeshift_enabled = 0
+
+               # disable actions
+               self.__seekableStatusChanged()
+       
+       # activates timeshift, and seeks to (almost) the end
+       def activateTimeshiftEnd(self):
+               ts = self.getTimeshift()
+               
+               if ts is None:
+                       return
+               
+               if ts.isTimeshiftActive():
+                       print "!! activate timeshift called - but shouldn't this be a normal pause?"
+                       self.pauseService()
+               else:
+                       self.setSeekState(self.SEEK_STATE_PLAY)
+                       ts.activateTimeshift()
+                       self.seekRelative(0)
+       
+       # same as activateTimeshiftEnd, but pauses afterwards.
+       def activateTimeshiftEndAndPause(self):
+               state = self.seekstate
+               self.activateTimeshiftEnd()
+               
+               # well, this is "andPause", but it could be pressed from pause,
+               # when pausing on the (fake-)"live" picture, so an un-pause
+               # is perfectly ok.
+               
+               print "now, pauseService"
+               if state == self.SEEK_STATE_PLAY:
+                       print "is PLAYING, start pause timer"
+                       self.ts_pause_timer.start(200, 1)
+               else:
+                       print "unpause"
+                       self.unPauseService()
+       
+       def __seekableStatusChanged(self):
+               enabled = False
+               
+               print "self.isSeekable", self.isSeekable()
+               print "self.timeshift_enabled", self.timeshift_enabled
+               
+               # when this service is not seekable, but timeshift
+               # is enabled, this means we can activate
+               # the timeshift
+               if not self.isSeekable() and self.timeshift_enabled:
+                       enabled = True
+
+               print "timeshift activate:", enabled
+               self["TimeshiftActivateActions"].setEnabled(enabled)
+
+from RecordTimer import parseEvent
 
 class InfoBarInstantRecord:
        """Instant Record - handles the instantRecord action in order to 
        start/stop instant records"""
        def __init__(self):
-               self["InstnantRecordActions"] = ActionMap( [ "InfobarInstantRecord" ],
+               self["InstantRecordActions"] = HelpableActionMap(self, "InfobarInstantRecord",
                        {
-                               "instantRecord": self.instantRecord,
+                               "instantRecord": (self.instantRecord, "Instant Record..."),
                        })
                self.recording = None
+               self["BlinkingPoint"] = BlinkingPixmapConditional()
+               self["BlinkingPoint"].hide()
+               self["BlinkingPoint"].setConnect(self.session.nav.RecordTimer.isRecording)
 
        def stopCurrentRecording(self): 
                self.session.nav.RecordTimer.removeEntry(self.recording)
                self.recording = None
-       
+
        def startInstantRecording(self):
                serviceref = self.session.nav.getCurrentlyPlayingServiceReference()
-                       
+               
                # try to get event info
-               epg = None
+               event = None
                try:
                        service = self.session.nav.getCurrentService()
                        info = service.info()
                        ev = info.getEvent(0)
-                       epg = ev
+                       event = ev
                except:
                        pass
                
+               if event is not None:
+                       data = parseEvent(event)
+                       begin = time.time()
+                       end = begin + 3600 * 10
+                       
+                       data = (begin, end, data[2], data[3], data[4])
+               else:
+                       data = (time.time(), time.time() + 3600 * 10, "instant record", "", None)
+               
                # fix me, description. 
-               self.recording = self.session.nav.recordWithTimer(time.time(), time.time() + 3600, serviceref, epg, "instant record")
+               self.recording = self.session.nav.recordWithTimer(serviceref, *data)
+               self.recording.dontSave = True
+               
+               #self["BlinkingPoint"].setConnect(lambda: self.recording.isRunning())
+               
+       def isInstantRecordRunning(self):
+               if self.recording != None:
+                       if self.recording.isRunning():
+                               return True
+               return False
 
        def recordQuestionCallback(self, answer):
                if answer == False:
                        return
                
-               if self.recording != None:
+               if self.isInstantRecordRunning():
                        self.stopCurrentRecording()
                else:
                        self.startInstantRecording()
 
        def instantRecord(self):
-               if self.recording != None:
-                       self.session.openWithCallback(self.recordQuestionCallback, MessageBox, "Do you want to stop the current\n(instant) recording?")
+               try:
+                       stat = os.stat(resolveFilename(SCOPE_HDD))
+               except:
+                       self.session.open(MessageBox, _("No HDD found or HDD not initialized!"), MessageBox.TYPE_ERROR)
+                       return
+       
+               if self.isInstantRecordRunning():
+                       self.session.openWithCallback(self.recordQuestionCallback, MessageBox, _("Do you want to stop the current\n(instant) recording?"))
                else:
-                       self.session.openWithCallback(self.recordQuestionCallback, MessageBox, "Start recording?")
+                       self.session.openWithCallback(self.recordQuestionCallback, MessageBox, _("Start recording?"))
 
 from Screens.AudioSelection import AudioSelection
 
 class InfoBarAudioSelection:
        def __init__(self):
-               self["AudioSelectionAction"] = ActionMap( [ "InfobarAudioSelectionActions" ]
+               self["AudioSelectionAction"] = HelpableActionMap(self, "InfobarAudioSelectionActions"
                        {
-                               "audioSelection": self.audioSelection,
+                               "audioSelection": (self.audioSelection, "Audio Options..."),
                        })
 
        def audioSelection(self):
@@ -379,3 +1022,274 @@ class InfoBarAudioSelection:
                n = audio.getNumberOfTracks()
                if n > 0:
                        self.session.open(AudioSelection, audio)
+
+from Screens.SubserviceSelection import SubserviceSelection
+
+class InfoBarSubserviceSelection:
+       def __init__(self):
+               self["SubserviceSelectionAction"] = HelpableActionMap(self, "InfobarSubserviceSelectionActions",
+                       {
+                               "subserviceSelection": (self.subserviceSelection, "Subservice list..."),
+                       })
+
+       def subserviceSelection(self):
+               service = self.session.nav.getCurrentService()
+               subservices = service.subServices()
+               n = subservices.getNumberOfSubservices()
+               if n > 0:
+                       self.session.openWithCallback(self.subserviceSelected, SubserviceSelection, subservices)
+
+       def subserviceSelected(self, service):
+               if not service is None:
+                       self.session.nav.playService(service)
+
+class InfoBarAdditionalInfo:
+       def __init__(self):
+               self["DolbyActive"] = Pixmap()
+               self["CryptActive"] = Pixmap()
+               self["FormatActive"] = Pixmap()
+               
+               self["ButtonRed"] = PixmapConditional(withTimer = False)
+               self["ButtonRed"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
+               self.onLayoutFinish.append(self["ButtonRed"].update)
+               self["ButtonRedText"] = LabelConditional(text = _("Record"), withTimer = False)
+               self["ButtonRedText"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
+               self.onLayoutFinish.append(self["ButtonRedText"].update)
+
+               self["ButtonGreen"] = Pixmap()
+               self["ButtonGreenText"] = Label(_("Subservices"))
+
+               self["ButtonYellow"] = PixmapConditional(withTimer = False)
+               self["ButtonYellow"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
+               self["ButtonYellowText"] = LabelConditional(text = _("Timeshifting"), withTimer = False)
+               self["ButtonYellowText"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
+               self.onLayoutFinish.append(self["ButtonYellow"].update)
+               self.onLayoutFinish.append(self["ButtonYellowText"].update)
+
+               self["ButtonBlue"] = PixmapConditional(withTimer = False)
+               self["ButtonBlue"].setConnect(lambda: False)
+               self["ButtonBlueText"] = LabelConditional(text = _("Extensions"), withTimer = False)
+               self["ButtonBlueText"].setConnect(lambda: False)
+               self.onLayoutFinish.append(self["ButtonBlue"].update)
+               self.onLayoutFinish.append(self["ButtonBlueText"].update)
+
+               self.session.nav.event.append(self.gotServiceEvent) # we like to get service events
+
+       def hideSubServiceIndication(self):
+               self["ButtonGreen"].hide()
+               self["ButtonGreenText"].hide()
+
+       def showSubServiceIndication(self):
+               self["ButtonGreen"].show()
+               self["ButtonGreenText"].show()
+
+       def checkFormat(self, service):
+               info = service.info()
+               if info is not None:
+                       aspect = info.getInfo(iServiceInformation.sAspect)
+                       if aspect in [ 3, 4, 7, 8, 0xB, 0xC, 0xF, 0x10 ]:
+                               self["FormatActive"].show()
+                       else:
+                               self["FormatActive"].hide()
+
+       def checkSubservices(self, service):
+               if service.subServices().getNumberOfSubservices() > 0:
+                       self.showSubServiceIndication()
+               else:
+                       self.hideSubServiceIndication()
+
+       def checkDolby(self, service):
+               # FIXME
+               dolby = False
+               audio = service.audioTracks()
+               if audio is not None:
+                       n = audio.getNumberOfTracks()
+                       for x in range(n):
+                               i = audio.getTrackInfo(x)
+                               description = i.getDescription();
+                               if description.find("AC3") != -1 or description.find("DTS") != -1:
+                                       dolby = True
+                                       break
+               if dolby:
+                       self["DolbyActive"].show()
+               else:
+                       self["DolbyActive"].hide()
+
+       def checkCrypted(self, service):
+               info = service.info()
+               if info is not None:
+                       if info.getInfo(iServiceInformation.sIsCrypted) > 0:
+                               self["CryptActive"].show()
+                       else:
+                               self["CryptActive"].hide()
+
+       def gotServiceEvent(self, ev):
+               service = self.session.nav.getCurrentService()
+               if ev == iPlayableService.evUpdatedEventInfo:
+                       self.checkSubservices(service)
+                       self.checkFormat(service)
+               elif ev == iPlayableService.evUpdatedInfo:
+                       self.checkCrypted(service)
+                       self.checkDolby(service)
+               elif ev == iPlayableService.evEnd:
+                       self.hideSubServiceIndication()
+                       self["CryptActive"].hide()
+                       self["DolbyActive"].hide()
+                       self["FormatActive"].hide()
+
+class InfoBarNotifications:
+       def __init__(self):
+               self.onExecBegin.append(self.checkNotifications)
+               Notifications.notificationAdded.append(self.checkNotificationsIfExecing)
+       
+       def checkNotificationsIfExecing(self):
+               if self.execing:
+                       self.checkNotifications()
+
+       def checkNotifications(self):
+               if len(Notifications.notifications):
+                       n = Notifications.notifications[0]
+                       Notifications.notifications = Notifications.notifications[1:]
+                       print "open",n
+                       cb = n[0]
+                       if cb is not None:
+                               self.session.openWithCallback(cb, *n[1:])
+                       else:
+                               self.session.open(*n[1:])
+
+class InfoBarServiceNotifications:
+       def __init__(self):
+               self.__event_tracker = ServiceEventTracker(screen=self, eventmap=
+                       {
+                               iPlayableService.evEnd: self.serviceHasEnded
+                       })
+
+       def serviceHasEnded(self):
+               print "service end!"
+
+               try:
+                       self.setSeekState(self.SEEK_STATE_PLAY)
+               except:
+                       pass
+
+class InfoBarCueSheetSupport:
+       CUT_TYPE_IN = 0
+       CUT_TYPE_OUT = 1
+       CUT_TYPE_MARK = 2
+       
+       def __init__(self):
+               self["CueSheetActions"] = HelpableActionMap(self, "InfobarCueSheetActions", 
+                       {
+                               "jumpPreviousMark": (self.jumpPreviousMark, "jump to next marked position"),
+                               "jumpNextMark": (self.jumpNextMark, "jump to previous marked position"),
+                               "toggleMark": (self.toggleMark, "toggle a cut mark at the current position")
+                       }, prio=1) 
+               
+               self.cut_list = [ ]
+               self.__event_tracker = ServiceEventTracker(screen=self, eventmap=
+                       {
+                               iPlayableService.evStart: self.__serviceStarted,
+                       })
+
+       def __serviceStarted(self):
+               print "new service started! trying to download cuts!"
+               self.downloadCuesheet()
+
+       def __getSeekable(self):
+               service = self.session.nav.getCurrentService()
+               if service is None:
+                       return None
+               return service.seek()
+
+       def __getCurrentPosition(self):
+               seek = self.__getSeekable()
+               if seek is None:
+                       return None
+               r = seek.getPlayPosition()
+               if r[0]:
+                       return None
+               return long(r[1])
+
+       def jumpPreviousNextMark(self, cmp, alternative=None):
+               current_pos = self.__getCurrentPosition()
+               if current_pos is None:
+                       return
+               mark = self.getNearestCutPoint(current_pos, cmp=cmp)
+               if mark is not None:
+                       pts = mark[0]
+               elif alternative is not None:
+                       pts = alternative
+               else:
+                       return
+
+               seekable = self.__getSeekable()
+               if seekable is not None:
+                       seekable.seekTo(pts)
+
+       def jumpPreviousMark(self):
+               print "jumpPreviousMark"
+               # we add 2 seconds, so if the play position is <2s after
+               # the mark, the mark before will be used
+               self.jumpPreviousNextMark(lambda x: -x-5*90000, alternative=0)
+
+       def jumpNextMark(self):
+               print "jumpNextMark"
+               self.jumpPreviousNextMark(lambda x: x)
+
+       def getNearestCutPoint(self, pts, cmp=abs):
+               # can be optimized
+               nearest = None
+               for cp in self.cut_list:
+                       diff = cmp(cp[0] - pts)
+                       if diff >= 0 and (nearest is None or cmp(nearest[0] - pts) > diff):
+                               nearest = cp
+               return nearest
+
+       def toggleMark(self):
+               print "toggleMark"
+               current_pos = self.__getCurrentPosition()
+               if current_pos is None:
+                       print "not seekable"
+                       return
+               
+               print "current position: ", current_pos
+
+               nearest_cutpoint = self.getNearestCutPoint(current_pos)
+               print "nearest_cutpoint: ", nearest_cutpoint
+               
+               if nearest_cutpoint is not None and abs(nearest_cutpoint[0] - current_pos) < 5*90000:
+                       self.removeMark(self, *nearest_cutpoint)
+               else:
+                       self.addMark(self, current_pos, self.CUT_TYPE_MARK)
+
+       def addMark(self, where, type):
+               bisect.insort(self.cut_list, (current_pos, self.CUT_TYPE_MARK))
+               self.uploadCuesheet()
+
+       def removeMark(self, where, type):
+               self.cut_list.remove(nearest_cutpoint)
+               self.uploadCuesheet()
+
+       def __getCuesheet(self):
+               service = self.session.nav.getCurrentService()
+               if service is None:
+                       return None
+               return service.cueSheet()
+
+       def uploadCuesheet(self):
+               cue = self.__getCuesheet()
+
+               if cue is None:
+                       print "upload failed, no cuesheet interface"
+                       return
+               cue.setCutList(self.cut_list)
+
+       def downloadCuesheet(self):
+               cue = self.__getCuesheet()
+
+               if cue is None:
+                       print "upload failed, no cuesheet interface"
+                       return
+               self.cut_list = cue.getCutList()
+
+               print "cuts:", self.cut_list