make getCurrentPosition useable from other classes
[enigma2.git] / lib / python / Screens / InfoBarGenerics.py
index fc19c806e5127de170f3fd6cf069019410cd82a1..d6a10012332311e7a39fd00906958038674a51d3 100644 (file)
@@ -18,10 +18,12 @@ from EpgSelection import EPGSelection
 from Screens.MessageBox import MessageBox
 from Screens.Dish import Dish
 from Screens.Standby import Standby
-from Screens.EventView import EventView
+from Screens.EventView import EventViewEPGSelect, EventViewSimple
 from Screens.MinuteInput import MinuteInput
 from Components.Harddisk import harddiskmanager
 
+from Components.ServiceEventTracker import ServiceEventTracker
+
 from Tools import Notifications
 from Tools.Directories import *
 
@@ -30,6 +32,7 @@ from enigma import *
 
 import time
 import os
+import bisect
 
 from Components.config import config, currentConfigSelectionElement
 
@@ -39,7 +42,7 @@ from Menu import MainMenu, mdom
 class InfoBarDish:
        def __init__(self):
                self.dishDialog = self.session.instantiateDialog(Dish)
-               self.onShown.append(self.dishDialog.instance.show)
+               self.onLayoutFinish.append(self.dishDialog.show)
 
 class InfoBarShowHide:
        """ InfoBar show/hide control, accepts toggleShow and hide actions, might start
@@ -56,49 +59,63 @@ class InfoBarShowHide:
                                "hide": self.hide,
                        })
 
-               self.state = self.STATE_SHOWN
+               self.__state = self.STATE_SHOWN
+               self.__locked = 0
                
                self.onExecBegin.append(self.show)
-               self.onClose.append(self.delHideTimer)
                
                self.hideTimer = eTimer()
                self.hideTimer.timeout.get().append(self.doTimerHide)
                self.hideTimer.start(5000, True)
+               
+               self.onShow.append(self.__onShow)
+               self.onHide.append(self.__onHide)
 
-       def delHideTimer(self):
-               del self.hideTimer
+       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 hide(self): 
-               self.instance.hide()
-               
-       def show(self):
-               self.state = self.STATE_SHOWN
-               self.hideTimer.start(5000, True)
+       def __onHide(self):
+               self.__state = self.STATE_HIDDEN
+
+       def doShow(self):
+               self.show()
+               self.startHideTimer()
 
        def doTimerHide(self):
                self.hideTimer.stop()
-               if self.state == self.STATE_SHOWN:
-                       self.instance.hide()
-                       self.state = self.STATE_HIDDEN
+               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()
+               if self.__state == self.STATE_SHOWN:
+                       self.hide()
                        self.hideTimer.stop()
-                       self.state = self.STATE_HIDDEN
-               elif self.state == self.STATE_HIDDEN:
-                       self.instance.show()
+               elif self.__state == self.STATE_HIDDEN:
                        self.show()
-                       
-       def startShow(self):
-               self.instance.m_animation.startMoveAnimation(ePoint(0, 600), ePoint(0, 380), 100)
-               self.state = self.STATE_SHOWN
+
+       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):
@@ -182,7 +199,7 @@ class InfoBarPowerKey:
 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,
@@ -199,9 +216,8 @@ class InfoBarNumberZap:
        def keyNumberGlobal(self, number):
 #              print "You pressed number " + str(number)
                if number == 0:
-                       self.session.nav.zapLast()
-                       self.instance.show()
-                       self.show()
+                       self.servicelist.recallPrevService()
+                       self.doShow()
                else:
                        self.session.openWithCallback(self.numberEntered, NumberZap, number)
 
@@ -237,14 +253,17 @@ class InfoBarNumberZap:
                                        bouquet = self.servicelist.appendDVBTypes(bouquetlist.getNext())
                                        if not bouquet.valid(): #check end of list
                                                break
-                                       if ((bouquet.flags & eServiceReference.flagDirectory) != eServiceReference.flagDirectory):
+                                       if (bouquet.flags & eServiceReference.flagDirectory) != eServiceReference.flagDirectory:
                                                continue
                                        service, number = self.searchNumberHelper(serviceHandler, number, bouquet)
                if not service is None:
-                       self.session.nav.playService(service) #play service
                        if self.servicelist.getRoot() != bouquet: #already in correct bouquet?
-                               self.servicelist.setRoot(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 
@@ -257,30 +276,42 @@ class InfoBarChannelSelection:
                        {
                                "switchChannelUp": self.switchChannelUp,
                                "switchChannelDown": self.switchChannelDown,
-                               "zapUp": (self.zapUp, _("next channel")),
-                               "zapDown": (self.zapDown, _("previous channel")),
+                               "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.instance.show()
-               self.show()
+               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.instance.show()
-               self.show()
-               
+               self.doShow()
+
 class InfoBarMenu:
        """ Handles a menu action, to open the (main) menu """
        def __init__(self):
@@ -295,67 +326,54 @@ class InfoBarMenu:
                assert menu.tagName == "menu", "root element in menu must be 'menu'!"
                self.session.open(MainMenu, menu, menu.childNodes)
 
+class InfoBarSimpleEventView:
+       """ Opens the Eventview for now/next """
+       def __init__(self):
+               self["EPGActions"] = HelpableActionMap(self, "InfobarEPGActions",
+                       {
+                               "showEventInfo": (self.openEventView, _("show event details")),
+                       })
+
+       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:
+                       self.session.open(EventViewSimple, self.epglist[0], ServiceReference(ref), self.eventViewCallback)
+
+       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])
+
 class InfoBarEPG:
        """ EPG - Opens an EPG list when the showEPGList action fires """
        def __init__(self):
                self["EPGActions"] = HelpableActionMap(self, "InfobarEPGActions", 
                        {
-                               "showEPGList": (self.showEPG, _("show EPG...")),
+                               "showEventInfo": (self.openEventView, _("show EPG...")),
                        })
 
-       def showEPG(self):
-               if currentConfigSelectionElement(config.usage.epgtoggle) == "yes":
-                       self.openSingleServiceEPG()
-               else:
-                       self.showEPGList()
-
-       def showEPGList(self):
-               bouquets = self.servicelist.getBouquetList()
-               if bouquets is None:
-                       cnt = 0
-               else:
-                       cnt = len(bouquets)
-               if cnt > 1: # show bouquet list
-                       self.session.open(BouquetSelector, bouquets, self.openBouquetEPG)
-               elif cnt == 1: # add to only one existing bouquet
-                       self.openBouquetEPG(bouquets[0][1])
-               else: #no bouquets so we open single epg
-                       self.openSingleEPGSelector(self.session.nav.getCurrentlyPlayingServiceReference())
-
-       def bouquetEPGCallback(self, info):
-               if info:
-                       self.openSingleServiceEPG()
-       
-       def singleEPGCallback(self, info):
-               if info:
-                       self.showEPGList()
-                       
-       def openEventView(self):
-               try:
-                       self.epglist = [ ]
-                       service = self.session.nav.getCurrentService()
-                       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:
-                               self.session.open(EventView, self.epglist[0], ServiceReference(ref), self.eventViewCallback)
-               except:
-                       pass
-                       
-       def openSingleServiceEPG(self):
-               ref=self.session.nav.getCurrentlyPlayingServiceReference()
-               ptr=eEPGCache.getInstance()
-               if ptr.startTimeQuery(ref) != -1:
-                       self.session.openWithCallback(self.singleEPGCallback, EPGSelection, ref)
-               else: # try to show now/next
-                       print 'no epg for service', ref.toString()
+       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):
+       def openBouquetEPG(self, bouquet, withCallback=True):
                ptr=eEPGCache.getInstance()
                services = [ ]
                servicelist = eServiceCenter.getInstance().list(bouquet)
@@ -368,28 +386,59 @@ class InfoBarEPG:
                                        continue
                                services.append(ServiceReference(service))
                if len(services):
-                       self.session.openWithCallback(self.bouquetEPGCallback, EPGSelection, 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 openSingleEPGSelector(self, ref):
+       def openSingleServiceEPG(self):
+               ref=self.session.nav.getCurrentlyPlayingServiceReference()
                ptr=eEPGCache.getInstance()
-               if ptr.startTimeQuery(ref) != -1:
-                       self.session.open(EPGSelection, ref)
-               else: # try to show now/next
-                       print 'no epg for service', ref.toString()
-                       try:
-                               self.epglist = [ ]
-                               service = self.session.nav.getCurrentService()
-                               info = service.info()
-                               ptr=info.getEvent(0)
-                               if ptr:
-                                       self.epglist.append(ptr)
-                               ptr=info.getEvent(1)
+               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(EventView, self.epglist[0], ServiceReference(ref), self.eventViewCallback)
-                       except:
-                               pass
+               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 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:
@@ -451,7 +500,7 @@ 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)
@@ -463,42 +512,50 @@ class InfoBarServiceName:
 class InfoBarSeek:
        """handles actions like seeking, pause"""
        
-       # ispause, isff, issm, skip
-       SEEK_STATE_PLAY = (0, 0, 0, 0)
-       SEEK_STATE_PAUSE = (1, 0, 0, 0)
-       SEEK_STATE_FF_2X = (0, 2, 0, 0)
-       SEEK_STATE_FF_4X = (0, 4, 0, 0)
-       SEEK_STATE_FF_8X = (0, 8, 0, 0)
-       SEEK_STATE_FF_32X = (0, 4, 0, 32)
-       SEEK_STATE_FF_64X = (0, 4, 0, 64)
-       SEEK_STATE_FF_128X = (0, 4, 0, 128)
+       # 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_4X = (0, 0, 0, -4)
-       SEEK_STATE_BACK_32X = (0, 0, 0, -32)
-       SEEK_STATE_BACK_64X = (0, 0, 0, -64)
-       SEEK_STATE_BACK_128X = (0, 0, 0, -128)
+       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, 0)
-       SEEK_STATE_SM_QUARTER = (0, 0, 4, 0)
-       SEEK_STATE_SM_EIGHTH = (0, 0, 8, 0)
+       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.__event_tracker = ServiceEventTracker(screen=self, eventmap=
+                       {
+                               iPlayableService.evSeekableStatusChanged: self.__seekableStatusChanged,
+                               iPlayableService.evStart: self.__serviceStarted,
+                               
+                               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"),
-                               "seekFwdUp": (self.seekFwdUp, "skip forward"),
+                               "seekFwdDown": self.seekFwdDown,
+                               "seekFwdUp": self.seekFwdUp,
                                "seekBack": (self.seekBack, "skip backward"),
-                               "seekBackUp": (self.seekBackUp, "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.seekTimer = eTimer()
-               self.seekTimer.timeout.get().append(self.seekTimerFired)
-               self.skipinterval = 500 # 500ms skip interval
-               self.onClose.append(self.delSeekTimer)
+               self.onClose.append(self.delTimer)
                
                self.fwdtimer = False
                self.fwdKeyTimer = eTimer()
@@ -507,6 +564,10 @@ class InfoBarSeek:
                self.rwdtimer = False
                self.rwdKeyTimer = eTimer()
                self.rwdKeyTimer.timeout.get().append(self.rwdTimerFire)
+               
+               self.onPlayStateChanged = [ ]
+               
+               self.lockedBecauseOfSkipping = False
        
        def up(self):
                pass
@@ -514,132 +575,162 @@ class InfoBarSeek:
        def down(self):
                pass
        
-       def delSeekTimer(self):
-               del self.seekTimer
+       def delTimer(self):
+               del self.fwdKeyTimer
+               del self.rwdKeyTimer
        
-       def seekTimerFired(self):
-               self.seekbase += self.skipmode * self.skipinterval
+       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
                
-               # check if we bounced against the beginning of the file
-               if self.seekbase < 0:
-                       self.seekbase = 0;
+               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)
-                       
-               self.doSeek(self.seekbase)
+               else:
+                       self["SeekActions"].setEnabled(True)
+                       print "seekable"
 
-       def setSeekState(self, state):
-               oldstate = self.seekstate
-               
-               self.seekstate = state
+       def __serviceStarted(self):
+               self.seekstate = self.SEEK_STATE_PLAY
 
+       def setSeekState(self, state):
                service = self.session.nav.getCurrentService()
+               
                if service is None:
-                       return
+                       return False
                
-               pauseable = service.pause()
+               if not self.isSeekable():
+                       if state not in [self.SEEK_STATE_PLAY, self.SEEK_STATE_PAUSE]:
+                               state = self.SEEK_STATE_PLAY
                
-               for i in range(4):
-                       if oldstate[i] != self.seekstate[i]:
-                               (self.session.nav.pause, pauseable.setFastForward, pauseable.setSlowMotion, self.setSkipMode)[i](self.seekstate[i])
+               pauseable = service.pause()
+
+               if pauseable is None:
+                       print "not pauseable."
+                       state = self.SEEK_STATE_PLAY
                
-       def setSkipMode(self, skipmode):
-               self.skipmode = skipmode
-               if skipmode == 0:
-                       self.seekTimer.stop()
-               else:
-                       self.seekTimer.start(500)
+               oldstate = self.seekstate
+               self.seekstate = state
                
-               service = self.session.nav.getCurrentService()
-               if service is None:
-                       return
+               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)
                
-               seekable = service.seek()
-               if seekable is None:
-                       return
+               self.checkSkipShowHideLock()
 
-               if skipmode:
-                       seekable.setTrickmode(1)
-               else:
-                       seekable.setTrickmode(0)
+               return True
                
-               self.seekbase = seekable.getPlayPosition()[1] / 90
-       
        def pauseService(self):
-               if (self.seekstate == self.SEEK_STATE_PAUSE):
+               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):
+               print "unpause"
                self.setSeekState(self.SEEK_STATE_PLAY);
        
        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.seekTo(90 * seektime)
 
-       def seekFwd(self):
+       def seekFwdDown(self):
                print "start fwd timer"
                self.fwdtimer = True
-               self.fwdKeyTimer.start(500)
+               self.fwdKeyTimer.start(1000)
 
-       def seekBack(self):
+       def seekBackDown(self):
                print "start rewind timer"
                self.rwdtimer = True
-               self.rwdKeyTimer.start(500)
+               self.rwdKeyTimer.start(1000)
 
        def seekFwdUp(self):
+               print "seekFwdUp"
                if self.fwdtimer:
                        self.fwdKeyTimer.stop()
                        self.fwdtimer = False
-                       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_4X: self.SEEK_STATE_PLAY,
-                                       self.SEEK_STATE_BACK_32X: self.SEEK_STATE_BACK_4X,
-                                       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]);
+                       self.seekFwd()
+
+       def seekFwd(self):
+               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()
                
-                       lookup = {
-                                       self.SEEK_STATE_PLAY: self.SEEK_STATE_BACK_4X,
-                                       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_4X: 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 seekBack(self):
+               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()
@@ -649,27 +740,72 @@ class InfoBarSeek:
        def fwdSeekTo(self, minutes):
                print "Seek", minutes, "minutes forward"
                if minutes != 0:
-                       service = self.session.nav.getCurrentService()
-                       if service is None:
-                               return
-                       seekable = service.seek()
-                       if seekable is None:
-                               return
-                       seekable.seekRelative(1, minutes * 60 * 90000)
+                       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 moe than an action map
+       # so this is not more than an action map
        def __init__(self):
                self["MovieListActions"] = HelpableActionMap(self, "InfobarMovieListActions", 
                        {
@@ -678,45 +814,153 @@ class InfoBarShowMovies:
                                "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 "),
-                               "timeshiftStop": (self.stopTimeshift, "stop timeshift")
+                               "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
                        })
-               self.tshack = 0
        
        def getTimeshift(self):
                service = self.session.nav.getCurrentService()
                return service.timeshift()
 
        def startTimeshift(self):
-               # TODO: check for harddisk! (or do this in the interface? would make
-               # more sense... for example radio could be timeshifted in memory,
-               # and the decision can't be made here)
                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
-               print "ok, timeshift enabled"
-               if self.tshack == 0:
-                       ts.startTimeshift()
-                       self.tshack = 1
+               
+               if self.timeshift_enabled:
+                       print "hu, timeshift already enabled?"
                else:
-                       pauseable = self.session.nav.getCurrentService().pause()
-                       pauseable.pause() # switch to record
+                       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.tshack = 0
+               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
 
@@ -729,15 +973,14 @@ class InfoBarInstantRecord:
                                "instantRecord": (self.instantRecord, "Instant Record..."),
                        })
                self.recording = None
-               
                self["BlinkingPoint"] = BlinkingPixmapConditional()
-               self.onShown.append(self["BlinkingPoint"].hideWidget)
+               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()
                
@@ -745,24 +988,19 @@ class InfoBarInstantRecord:
                event = None
                try:
                        service = self.session.nav.getCurrentService()
-                       info = service.info()
-                       ev = info.getEvent(0)
-                       event = ev
+                       epg = eEPGCache.getInstance()
+                       event = epg.lookupEventTime(serviceref, -1, 0)
+                       if event is None:
+                               info = service.info()
+                               ev = info.getEvent(0)
+                               event = ev
                except:
                        pass
-               
+
                if event is not None:
                        data = parseEvent(event)
-                       begin = data[0]
-                       if begin < time.time():
-                               begin = time.time()
-                       
-                       end = data[1]
-                       if end < begin:
-                               end = begin
-                       
-                       end += 3600 * 10
-                       
+                       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)
@@ -844,28 +1082,36 @@ class InfoBarAdditionalInfo:
                
                self["ButtonRed"] = PixmapConditional(withTimer = False)
                self["ButtonRed"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
-               self.onShown.append(self["ButtonRed"].update)
+               self.onLayoutFinish.append(self["ButtonRed"].update)
                self["ButtonRedText"] = LabelConditional(text = _("Record"), withTimer = False)
                self["ButtonRedText"].setConnect(lambda: harddiskmanager.HDDCount() > 0)
-               self.onShown.append(self["ButtonRedText"].update)
+               self.onLayoutFinish.append(self["ButtonRedText"].update)
 
                self["ButtonGreen"] = Pixmap()
                self["ButtonGreenText"] = Label(_("Subservices"))
 
                self["ButtonYellow"] = PixmapConditional(withTimer = False)
-               self["ButtonYellow"].setConnect(lambda: 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"].hideWidget()
+               self["ButtonGreen"].hide()
                self["ButtonGreenText"].hide()
 
        def showSubServiceIndication(self):
-               self["ButtonGreen"].showWidget()
+               self["ButtonGreen"].show()
                self["ButtonGreenText"].show()
 
        def checkFormat(self, service):
@@ -873,9 +1119,9 @@ class InfoBarAdditionalInfo:
                if info is not None:
                        aspect = info.getInfo(iServiceInformation.sAspect)
                        if aspect in [ 3, 4, 7, 8, 0xB, 0xC, 0xF, 0x10 ]:
-                               self["FormatActive"].showWidget()
+                               self["FormatActive"].show()
                        else:
-                               self["FormatActive"].hideWidget()
+                               self["FormatActive"].hide()
 
        def checkSubservices(self, service):
                if service.subServices().getNumberOfSubservices() > 0:
@@ -896,31 +1142,31 @@ class InfoBarAdditionalInfo:
                                        dolby = True
                                        break
                if dolby:
-                       self["DolbyActive"].showWidget()
+                       self["DolbyActive"].show()
                else:
-                       self["DolbyActive"].hideWidget()
+                       self["DolbyActive"].hide()
 
        def checkCrypted(self, service):
                info = service.info()
                if info is not None:
                        if info.getInfo(iServiceInformation.sIsCrypted) > 0:
-                               self["CryptActive"].showWidget()
+                               self["CryptActive"].show()
                        else:
-                               self["CryptActive"].hideWidget()
+                               self["CryptActive"].hide()
 
        def gotServiceEvent(self, ev):
                service = self.session.nav.getCurrentService()
-               if ev == pNavigation.evUpdatedEventInfo:
+               if ev == iPlayableService.evUpdatedEventInfo:
                        self.checkSubservices(service)
                        self.checkFormat(service)
-               elif ev == pNavigation.evUpdatedInfo:
+               elif ev == iPlayableService.evUpdatedInfo:
                        self.checkCrypted(service)
                        self.checkDolby(service)
-               elif ev == pNavigation.evStopService:
+               elif ev == iPlayableService.evEnd:
                        self.hideSubServiceIndication()
-                       self["CryptActive"].hideWidget()
-                       self["DolbyActive"].hideWidget()
-                       self["FormatActive"].hideWidget()
+                       self["CryptActive"].hide()
+                       self["DolbyActive"].hide()
+                       self["FormatActive"].hide()
 
 class InfoBarNotifications:
        def __init__(self):
@@ -941,3 +1187,133 @@ class InfoBarNotifications:
                                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 cueGetCurrentPosition(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.cueGetCurrentPosition()
+               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):
+               # 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):
+               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, onlyremove=False, onlyadd=False, tolerance=5*90000):
+               current_pos = self.cueGetCurrentPosition()
+               if current_pos is None:
+                       print "not seekable"
+                       return
+               
+               nearest_cutpoint = self.getNearestCutPoint(current_pos)
+               
+               if nearest_cutpoint is not None and abs(nearest_cutpoint[0] - current_pos) < tolerance:
+                       if not onlyadd:
+                               self.removeMark(nearest_cutpoint)
+               elif not onlyremove:
+                       self.addMark((current_pos, self.CUT_TYPE_MARK))
+
+       def addMark(self, point):
+               bisect.insort(self.cut_list, point)
+               self.uploadCuesheet()
+
+       def removeMark(self, point):
+               self.cut_list.remove(point)
+               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()