fix showing of infobar on servicechange via servicelist
[enigma2.git] / lib / python / Screens / ChannelSelection.py
index 0eff5967d90dec913c424db9588f04ac9f71ee7a..eb6f90593775dc7ae2a693856e50de7c7ea28acc 100644 (file)
@@ -1,20 +1,24 @@
 from Screen import Screen
 from Components.Button import Button
 from Components.ServiceList import ServiceList
-from Components.ActionMap import NumberActionMap, ActionMap
+from Components.ActionMap import NumberActionMap, ActionMap, HelpableActionMap
 from Components.MenuList import MenuList
 from Components.ServiceEventTracker import ServiceEventTracker
 from EpgSelection import EPGSelection
-from enigma import eServiceReference, eEPGCache, eServiceCenter, eServiceCenterPtr, iMutableServiceListPtr, iStaticServiceInformationPtr, eTimer, eDVBDB, iPlayableService, iServiceInformation
+from enigma import eServiceReference, eEPGCache, eServiceCenter, eTimer, eDVBDB, iPlayableService, iServiceInformation
 from Components.config import config, ConfigSubsection, ConfigText
 from Screens.FixedMenu import FixedMenu
 from Tools.NumericalTextInput import NumericalTextInput
 from Components.NimManager import nimmanager
 from Components.Sources.Clock import Clock
+from Components.Sources.RdsDecoder import RdsDecoder
 from Components.Input import Input
 from Components.ParentalControl import parentalControl
+from Components.Pixmap import Pixmap
 from Screens.InputBox import InputBox, PinInput
 from Screens.MessageBox import MessageBox
+from Screens.ServiceInfo import ServiceInfo
+from Screens.RdsDisplay import RassInteractive
 from ServiceReference import ServiceReference
 from Tools.BoundFunction import boundFunction
 from re import *
@@ -35,9 +39,7 @@ class BouquetSelector(Screen):
                                "ok": self.okbuttonClick,
                                "cancel": self.cancelClick
                        })
-               entrys = [ ]
-               for x in bouquets:
-                       entrys.append((x[0], x[1]))
+               entrys = [ (x[0], x[1]) for x in bouquets ]
                self["menu"] = MenuList(entrys, enableWrapAround)
 
        def getCurrent(self):
@@ -61,6 +63,10 @@ OFF = 0
 EDIT_BOUQUET = 1
 EDIT_ALTERNATIVES = 2
 
+def apend_when_current_valid(current, menu, args):
+       if current and current.valid():
+               menu.append(args)
+
 class ChannelContextMenu(Screen):
        def __init__(self, session, csel):
                Screen.__init__(self, session)
@@ -74,69 +80,72 @@ class ChannelContextMenu(Screen):
                        })
                menu = [ ]
 
+               current = csel.getCurrentSelection()
                current_root = csel.getRoot()
-               current_sel_path = csel.getCurrentSelection().getPath()
-               current_sel_flags = csel.getCurrentSelection().flags
+               current_sel_path = current.getPath()
+               current_sel_flags = current.flags
                inBouquetRootList = current_root and current_root.getPath().find('FROM BOUQUET "bouquets.') != -1 #FIXME HACK
                inBouquet = csel.getMutableList() is not None
                haveBouquets = config.usage.multibouquet.value
 
+               if not (len(current_sel_path) or current_sel_flags & (eServiceReference.isDirectory|eServiceReference.isMarker)):
+                       apend_when_current_valid(current, menu, (_("show transponder info"), self.showServiceInformations))
                if csel.bouquet_mark_edit == OFF and not csel.movemode:
                        if not inBouquetRootList:
                                isPlayable = not (current_sel_flags & (eServiceReference.isMarker|eServiceReference.isDirectory))
                                if isPlayable:
                                        if config.ParentalControl.configured.value:
                                                if parentalControl.getProtectionLevel(csel.getCurrentSelection().toCompareString()) == -1:
-                                                       menu.append((_("add to parental protection"), boundFunction(self.addParentalProtection, csel.getCurrentSelection())))
+                                                       apend_when_current_valid(current, menu, (_("add to parental protection"), boundFunction(self.addParentalProtection, csel.getCurrentSelection())))
                                                else:
-                                                       menu.append((_("remove from parental protection"), boundFunction(self.removeParentalProtection, csel.getCurrentSelection())))
+                                                       apend_when_current_valid(current, menu, (_("remove from parental protection"), boundFunction(self.removeParentalProtection, csel.getCurrentSelection())))
                                        if haveBouquets:
-                                               menu.append((_("add service to bouquet"), self.addServiceToBouquetSelected))
+                                               apend_when_current_valid(current, menu, (_("add service to bouquet"), self.addServiceToBouquetSelected))
                                        else:
-                                               menu.append((_("add service to favourites"), self.addServiceToBouquetSelected))
+                                               apend_when_current_valid(current, menu, (_("add service to favourites"), self.addServiceToBouquetSelected))
                                else:
                                        if haveBouquets:
                                                if not inBouquet and current_sel_path.find("PROVIDERS") == -1:
-                                                       menu.append((_("copy to bouquets"), self.copyCurrentToBouquetList))
+                                                       apend_when_current_valid(current, menu, (_("copy to bouquets"), self.copyCurrentToBouquetList))
                                        if current_sel_path.find("flags == %d" %(FLAG_SERVICE_NEW_FOUND)) != -1:
-                                               menu.append((_("remove all new found flags"), self.removeAllNewFoundFlags))
+                                               apend_when_current_valid(current, menu, (_("remove all new found flags"), self.removeAllNewFoundFlags))
                                if inBouquet:
-                                       menu.append((_("remove entry"), self.removeCurrentService))
-                               if current_root is not None and current_root.getPath().find("flags == %d" %(FLAG_SERVICE_NEW_FOUND)) != -1:
-                                       menu.append((_("remove new found flag"), self.removeNewFoundFlag))
+                                       apend_when_current_valid(current, menu, (_("remove entry"), self.removeCurrentService))
+                               if current_root and current_root.getPath().find("flags == %d" %(FLAG_SERVICE_NEW_FOUND)) != -1:
+                                       apend_when_current_valid(current, menu, (_("remove new found flag"), self.removeNewFoundFlag))
                        else:
                                        menu.append((_("add bouquet"), self.showBouquetInputBox))
-                                       menu.append((_("remove entry"), self.removeBouquet))
+                                       apend_when_current_valid(current, menu, (_("remove entry"), self.removeBouquet))
 
                if inBouquet: # current list is editable?
                        if csel.bouquet_mark_edit == OFF:
                                if not csel.movemode:
-                                       menu.append((_("enable move mode"), self.toggleMoveMode))
-                                       if not inBouquetRootList and not current_root.flags & eServiceReference.isGroup:
+                                       apend_when_current_valid(current, menu, (_("enable move mode"), self.toggleMoveMode))
+                                       if not inBouquetRootList and current_root and not (current_root.flags & eServiceReference.isGroup):
                                                menu.append((_("add marker"), self.showMarkerInputBox))
                                                if haveBouquets:
-                                                       menu.append((_("enable bouquet edit"), self.bouquetMarkStart))
+                                                       apend_when_current_valid(current, menu, (_("enable bouquet edit"), self.bouquetMarkStart))
                                                else:
-                                                       menu.append((_("enable favourite edit"), self.bouquetMarkStart))
+                                                       apend_when_current_valid(current, menu, (_("enable favourite edit"), self.bouquetMarkStart))
                                                if current_sel_flags & eServiceReference.isGroup:
-                                                       menu.append((_("edit alternatives"), self.editAlternativeServices))
-                                                       menu.append((_("show alternatives"), self.showAlternativeServices))
-                                                       menu.append((_("remove all alternatives"), self.removeAlternativeServices))
-                                               else:
-                                                       menu.append((_("add alternatives"), self.addAlternativeServices))
+                                                       apend_when_current_valid(current, menu, (_("edit alternatives"), self.editAlternativeServices))
+                                                       apend_when_current_valid(current, menu, (_("show alternatives"), self.showAlternativeServices))
+                                                       apend_when_current_valid(current, menu, (_("remove all alternatives"), self.removeAlternativeServices))
+                                               elif not current_sel_flags & eServiceReference.isMarker:
+                                                       apend_when_current_valid(current, menu, (_("add alternatives"), self.addAlternativeServices))
                                else:
-                                       menu.append((_("disable move mode"), self.toggleMoveMode))
+                                       apend_when_current_valid(current, menu, (_("disable move mode"), self.toggleMoveMode))
                        else:
                                if csel.bouquet_mark_edit == EDIT_BOUQUET:
                                        if haveBouquets:
-                                               menu.append((_("end bouquet edit"), self.bouquetMarkEnd))
-                                               menu.append((_("abort bouquet edit"), self.bouquetMarkAbort))
+                                               apend_when_current_valid(current, menu, (_("end bouquet edit"), self.bouquetMarkEnd))
+                                               apend_when_current_valid(current, menu, (_("abort bouquet edit"), self.bouquetMarkAbort))
                                        else:
-                                               menu.append((_("end favourites edit"), self.bouquetMarkEnd))
-                                               menu.append((_("abort favourites edit"), self.bouquetMarkAbort))
+                                               apend_when_current_valid(current, menu, (_("end favourites edit"), self.bouquetMarkEnd))
+                                               apend_when_current_valid(current, menu, (_("abort favourites edit"), self.bouquetMarkAbort))
                                else:
-                                               menu.append((_("end alternatives edit"), self.bouquetMarkEnd))
-                                               menu.append((_("abort alternatives edit"), self.bouquetMarkAbort))
+                                               apend_when_current_valid(current, menu, (_("end alternatives edit"), self.bouquetMarkEnd))
+                                               apend_when_current_valid(current, menu, (_("abort alternatives edit"), self.bouquetMarkAbort))
 
                menu.append((_("back"), self.cancelClick))
                self["menu"] = MenuList(menu)
@@ -146,7 +155,10 @@ class ChannelContextMenu(Screen):
 
        def cancelClick(self):
                self.close(False)
-               
+
+       def showServiceInformations(self):
+               self.session.open( ServiceInfo, self.csel.getCurrentSelection() )
+
        def showBouquetInputBox(self):
                self.session.openWithCallback(self.bouquetInputCallback, InputBox, title=_("Please enter a name for the new bouquet"), text="bouquetname", maxSize=False, type=Input.TEXT)
 
@@ -345,15 +357,16 @@ class ChannelSelectionEdit:
 
        def addAlternativeServices(self):
                cur_service = ServiceReference(self.getCurrentSelection())
-               cur_root = ServiceReference(self.getRoot())
+               root = self.getRoot()
+               cur_root = root and ServiceReference(root)
                mutableBouquet = cur_root.list().startEdit()
                if mutableBouquet:
                        name = cur_service.getServiceName()
                        print "NAME", name
                        if self.mode == MODE_TV:
-                               str = '1:134:1:0:0:0:0:0:0:0:(type == 1) FROM BOUQUET \"alternatives.%s.tv\" ORDER BY bouquet'%(self.buildBouquetID(name))
+                               str = '1:134:1:0:0:0:0:0:0:0:FROM BOUQUET \"alternatives.%s.tv\" ORDER BY bouquet'%(self.buildBouquetID(name))
                        else:
-                               str = '1:134:2:0:0:0:0:0:0:0:(type == 2) FROM BOUQUET \"alternatives.%s.radio\" ORDER BY bouquet'%(self.buildBouquetID(name))
+                               str = '1:134:2:0:0:0:0:0:0:0:FROM BOUQUET \"alternatives.%s.radio\" ORDER BY bouquet'%(self.buildBouquetID(name))
                        new_ref = ServiceReference(str)
                        if not mutableBouquet.addService(new_ref.ref, cur_service.ref):
                                mutableBouquet.removeService(cur_service.ref)
@@ -401,8 +414,8 @@ class ChannelSelectionEdit:
                                        print "get mutable list for new created bouquet failed"
                                # do some voodoo to check if current_root is equal to bouquet_root
                                cur_root = self.getRoot();
-                               str1 = cur_root.toString()
-                               pos1 = str1.find("FROM BOUQUET")
+                               str1 = cur_root and cur_root.toString()
+                               pos1 = str1 and str1.find("FROM BOUQUET") or -1
                                pos2 = self.bouquet_rootstr.find("FROM BOUQUET")
                                if pos1 != -1 and pos2 != -1 and str1[pos1:] == self.bouquet_rootstr[pos2:]:
                                        self.servicelist.addService(new_bouquet_ref)
@@ -420,11 +433,12 @@ class ChannelSelectionEdit:
 
        def removeAlternativeServices(self):
                cur_service = ServiceReference(self.getCurrentSelection())
-               cur_root = ServiceReference(self.getRoot())
+               root = self.getRoot()
+               cur_root = root and ServiceReference(root)
                list = cur_service.list()
                first_in_alternative = list and list.getNext()
                if first_in_alternative:
-                       edit_root = cur_root.list().startEdit()
+                       edit_root = cur_root and cur_root.list().startEdit()
                        if edit_root:
                                if not edit_root.addService(first_in_alternative, cur_service.ref):
                                        self.servicelist.addService(first_in_alternative, True)
@@ -539,7 +553,7 @@ class ChannelSelectionEdit:
                                mutableList.flushChanges()
                                # do some voodoo to check if current_root is equal to dest
                                cur_root = self.getRoot();
-                               str1 = cur_root.toString()
+                               str1 = cur_root and cur_root.toString() or -1
                                str2 = dest.toString()
                                pos1 = str1.find("FROM BOUQUET")
                                pos2 = str2.find("FROM BOUQUET")
@@ -556,7 +570,8 @@ class ChannelSelectionEdit:
                        self.mutableList = None
                        self.setTitle(self.saved_title)
                        self.saved_title = None
-                       if self.getRoot() == self.bouquet_root:
+                       cur_root = self.getRoot()
+                       if cur_root and cur_root == self.bouquet_root:
                                self.bouquetNumOffsetCache = { }
                else:
                        self.mutableList = self.getMutableList()
@@ -641,17 +656,9 @@ class ChannelSelectionBase(Screen):
                        })
                self.recallBouquetMode()
 
-       def appendDVBTypes(self, ref):
-               path = ref.getPath()
-               pos = path.find(' FROM BOUQUET')
-               if pos != -1:
-                       return eServiceReference(self.service_types + path[pos:])
-               return ref
-
        def getBouquetNumOffset(self, bouquet):
                if not config.usage.multibouquet.value:
                        return 0
-               bouquet = self.appendDVBTypes(bouquet)
                str = bouquet.toString()
                offsetCount = 0
                if not self.bouquetNumOffsetCache.has_key(str):
@@ -659,7 +666,7 @@ class ChannelSelectionBase(Screen):
                        bouquetlist = serviceHandler.list(self.bouquet_root)
                        if not bouquetlist is None:
                                while True:
-                                       bouquetIterator = self.appendDVBTypes(bouquetlist.getNext())
+                                       bouquetIterator = bouquetlist.getNext()
                                        if not bouquetIterator.valid(): #end of list
                                                break
                                        self.bouquetNumOffsetCache[bouquetIterator.toString()]=offsetCount
@@ -680,13 +687,13 @@ class ChannelSelectionBase(Screen):
                if self.mode == MODE_TV:
                        self.service_types = service_types_tv
                        if config.usage.multibouquet.value:
-                               self.bouquet_rootstr = '1:7:1:0:0:0:0:0:0:0:(type == 1) FROM BOUQUET "bouquets.tv" ORDER BY bouquet'
+                               self.bouquet_rootstr = '1:7:1:0:0:0:0:0:0:0:FROM BOUQUET "bouquets.tv" ORDER BY bouquet'
                        else:
                                self.bouquet_rootstr = '%s FROM BOUQUET "userbouquet.favourites.tv" ORDER BY bouquet'%(self.service_types)
                else:
                        self.service_types = service_types_radio
                        if config.usage.multibouquet.value:
-                               self.bouquet_rootstr = '1:7:1:0:0:0:0:0:0:0:(type == 1) FROM BOUQUET "bouquets.radio" ORDER BY bouquet'
+                               self.bouquet_rootstr = '1:7:1:0:0:0:0:0:0:0:FROM BOUQUET "bouquets.radio" ORDER BY bouquet'
                        else:
                                self.bouquet_rootstr = '%s FROM BOUQUET "userbouquet.favourites.radio" ORDER BY bouquet'%(self.service_types)
                self.bouquet_root = eServiceReference(self.bouquet_rootstr)
@@ -716,13 +723,11 @@ class ChannelSelectionBase(Screen):
        def setRoot(self, root, justSet=False):
                path = root.getPath()
                inBouquetRootList = path.find('FROM BOUQUET "bouquets.') != -1 #FIXME HACK
-               pos = path.find(' FROM BOUQUET')
+               pos = path.find('FROM BOUQUET')
                isBouquet = (pos != -1) and (root.flags & eServiceReference.isDirectory)
                if not inBouquetRootList and isBouquet:
                        self.servicelist.setMode(ServiceList.MODE_FAVOURITES)
                        self.servicelist.setNumberOffset(self.getBouquetNumOffset(root))
-                       refstr = self.service_types + path[pos:]
-                       root = eServiceReference(refstr)
                else:
                        self.servicelist.setMode(ServiceList.MODE_NORMAL)
                self.servicelist.setRoot(root, justSet)
@@ -849,27 +854,27 @@ class ChannelSelectionBase(Screen):
                                                                break
                                                        orbpos = service.getUnsignedData(4) >> 16
                                                        if service.getPath().find("FROM PROVIDER") != -1:
-                                                               service_name = _("Providers")
+                                                               service_type = _("Providers")
                                                        elif service.getPath().find("flags == %d" %(FLAG_SERVICE_NEW_FOUND)) != -1:
-                                                               service_name = _("New")
+                                                               service_type = _("New")
                                                        else:
-                                                               service_name = _("Services")
+                                                               service_type = _("Services")
                                                        try:
-                                                               service_name += str(' - %s'%(nimmanager.getSatDescription(orbpos)))
-                                                               service.setName(service_name) # why we need this cast?
+                                                               # why we need this cast?
+                                                               service_name = str(nimmanager.getSatDescription(orbpos))
                                                        except:
                                                                if orbpos == 0xFFFF: #Cable
-                                                                       n = ("%s (%s)") % (service_name, _("Cable"))
+                                                                       service_name = _("Cable")
                                                                elif orbpos == 0xEEEE: #Terrestrial
-                                                                       n = ("%s (%s)") % (service_name, _("Terrestrial"))
+                                                                       service_name = _("Terrestrial")
                                                                else:
                                                                        if orbpos > 1800: # west
                                                                                orbpos = 3600 - orbpos
                                                                                h = _("W")
                                                                        else:
                                                                                h = _("E")
-                                                                       n = ("%s (%d.%d" + h + ")") % (service_name, orbpos / 10, orbpos % 10)
-                                                               service.setName(n)
+                                                                       service_name = ("%d.%d" + h) % (orbpos / 10, orbpos % 10)
+                                                       service.setName("%s - %s" % (service_name, service_type))
                                                        self.servicelist.addService(service)
                                                self.servicelist.finishFill()
                                                if prev is not None:
@@ -905,7 +910,9 @@ class ChannelSelectionBase(Screen):
                                self.enterPath(ref)
 
        def inBouquet(self):
-               return self.isBasePathEqual(self.bouquet_root)
+               if len(self.servicePath) > 0 and self.servicePath[0] == self.bouquet_root:
+                       return True
+               return False
 
        def atBegin(self):
                return self.servicelist.atBegin()
@@ -1047,6 +1054,7 @@ class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelect
                self.lastroot = config.tv.lastroot
                self.revertMode = None
                config.usage.multibouquet.addNotifier(self.multibouquet_config_changed)
+               self.new_service_played = False
 
        def multibouquet_config_changed(self, val):
                self.recallBouquetMode()
@@ -1111,7 +1119,8 @@ class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelect
                        if not (self.bouquet_mark_edit == EDIT_ALTERNATIVES and ref.flags & eServiceReference.isGroup):
                                self.doMark()
                elif not (ref.flags & eServiceReference.isMarker): # no marker
-                       if not (self.getRoot().flags & eServiceReference.isGroup):
+                       root = self.getRoot()
+                       if not root or not (root.flags & eServiceReference.isGroup):
                                self.zap()
                                self.close(ref)
 
@@ -1121,12 +1130,18 @@ class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelect
                ref = self.session.nav.getCurrentlyPlayingServiceReference()
                nref = self.getCurrentSelection()
                if ref is None or ref != nref:
+                       self.new_service_played = True
                        self.session.nav.playService(nref)
                        self.saveRoot()
                        self.saveChannel(nref)
                        config.servicelist.lastmode.save()
                        self.addToHistory(nref)
 
+       def newServicePlayed(self):
+               ret = self.new_service_played
+               self.new_service_played = False
+               return ret
+
        def addToHistory(self, ref):
                if self.servicePath is not None:
                        tmp=self.servicePath[:]
@@ -1162,7 +1177,8 @@ class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelect
                self.saveRoot()
                plen = len(path)
                root = path[plen-1]
-               if self.getRoot() != root:
+               cur_root = self.getRoot()
+               if cur_root and cur_root != root:
                        self.setRoot(root)
                self.session.nav.playService(ref)
                self.setCurrentSelection(ref)
@@ -1252,32 +1268,32 @@ class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelect
                self.revertMode = None
                self.close(None)
 
-from Screens.InfoBarGenerics import InfoBarEvent, InfoBarServiceName, InfoBarInstantRecord, InfoBarRadioText
+from Screens.InfoBarGenerics import InfoBarEvent, InfoBarServiceName
 
-class RadioInfoBar(Screen, InfoBarEvent, InfoBarServiceName, InfoBarInstantRecord):
+class RadioInfoBar(Screen, InfoBarEvent, InfoBarServiceName):
        def __init__(self, session):
                Screen.__init__(self, session)
                InfoBarEvent.__init__(self)
                InfoBarServiceName.__init__(self)
-               InfoBarInstantRecord.__init__(self)
                self["CurrentTime"] = Clock()
+               self["RdsDecoder"] = RdsDecoder(self.session.nav)
+               self["BlinkingPoint"] = Pixmap()
+               self["BlinkingPoint"].hide()
 
-class ChannelSelectionRadio(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelectionEPG, InfoBarRadioText):
-
+class ChannelSelectionRadio(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelectionEPG):
        ALLOW_SUSPEND = True
 
-       def __init__(self, session):
+       def __init__(self, session, infobar):
                ChannelSelectionBase.__init__(self, session)
                ChannelSelectionEdit.__init__(self)
                ChannelSelectionEPG.__init__(self)
-               InfoBarRadioText.__init__(self)
-
+               self.infobar = infobar
                config.radio = ConfigSubsection();
                config.radio.lastservice = ConfigText()
                config.radio.lastroot = ConfigText()
                self.onLayoutFinish.append(self.onCreate)
 
-               self.info = session.instantiateDialog(RadioInfoBar)
+               self.info = session.instantiateDialog(RadioInfoBar) # our simple infobar
 
                self["actions"] = ActionMap(["OkCancelActions", "TvRadioActions"],
                        {
@@ -1293,6 +1309,37 @@ class ChannelSelectionRadio(ChannelSelectionBase, ChannelSelectionEdit, ChannelS
                                iPlayableService.evEnd: self.__evServiceEnd
                        })
 
+########## RDS Radiotext / Rass Support BEGIN
+               self.infobar = infobar # reference to real infobar (the one and only)
+               self["RdsDecoder"] = self.info["RdsDecoder"]
+               self["RdsActions"] = HelpableActionMap(self, "InfobarRdsActions",
+               {
+                       "startRassInteractive": (self.startRassInteractive, _("View Rass interactive..."))
+               },-1)
+               self["RdsActions"].setEnabled(False)
+               infobar.rds_display.onRassInteractivePossibilityChanged.append(self.RassInteractivePossibilityChanged)
+
+       def startRassInteractive(self):
+               self.info.hide();
+               self.infobar.rass_interactive = self.session.openWithCallback(self.RassInteractiveClosed, RassInteractive)
+
+       def RassInteractiveClosed(self):
+               self.info.show()
+               self.infobar.rass_interactive = None
+               self.infobar.RassSlidePicChanged()
+
+       def RassInteractivePossibilityChanged(self, state):
+               self["RdsActions"].setEnabled(state)
+########## RDS Radiotext / Rass Support END
+
+       def closeRadio(self):
+               self.infobar.rds_display.onRassInteractivePossibilityChanged.remove(self.RassInteractivePossibilityChanged)
+               self.info.hide()
+               #set previous tv service
+               lastservice=eServiceReference(config.tv.lastservice.value)
+               self.session.nav.playService(lastservice)
+               self.close(None)
+
        def __evServiceStart(self):
                service = self.session.nav.getCurrentService()
                if service:
@@ -1358,7 +1405,8 @@ class ChannelSelectionRadio(ChannelSelectionBase, ChannelSelectionEdit, ChannelS
                        if not (self.bouquet_mark_edit == EDIT_ALTERNATIVES and ref.flags & eServiceReference.isGroup):
                                self.doMark()
                elif not (ref.flags & eServiceReference.isMarker): # no marker
-                       if not (self.getRoot().flags & eServiceReference.isGroup):
+                       cur_root = self.getRoot()
+                       if not cur_root or not (cur_root.flags & eServiceReference.isGroup):
                                playingref = self.session.nav.getCurrentlyPlayingServiceReference()
                                if playingref is None or playingref != ref:
                                        self.session.nav.playService(ref)
@@ -1366,13 +1414,6 @@ class ChannelSelectionRadio(ChannelSelectionBase, ChannelSelectionEdit, ChannelS
                                        config.radio.lastservice.save()
                                self.saveRoot()
 
-       def closeRadio(self):
-               self.info.hide()
-               #set previous tv service
-               lastservice=eServiceReference(config.tv.lastservice.value)
-               self.session.nav.playService(lastservice)
-               self.close(None)
-
 class SimpleChannelSelection(ChannelSelectionBase):
        def __init__(self, session, title):
                ChannelSelectionBase.__init__(self, session)