ChannelSelection.py: small fix for bug #420

[enigma2.git] / lib / python / Screens / ChannelSelection.py

diff --git a/lib/python/Screens/ChannelSelection.py b/lib/python/Screens/ChannelSelection.py
index e8bbce156e964fad10987bc5c7d63c4babf06cd9..eb03ee655493593720d58c23d407a9926d64143a 100644 (file)
--- a/lib/python/Screens/ChannelSelection.py
+++ b/lib/python/Screens/ChannelSelection.py
@@ -22,6 +22,7 @@ from Components.Input import Input
 profile("ChannelSelection.py 3")
 from Components.ParentalControl import parentalControl
 from Components.ChoiceList import ChoiceList, ChoiceEntryComponent
+from Components.SystemInfo import SystemInfo
 from Screens.InputBox import InputBox, PinInput
 from Screens.MessageBox import MessageBox
 from Screens.ServiceInfo import ServiceInfo
@@ -30,7 +31,6 @@ from Screens.PictureInPicture import PictureInPicture
 from Screens.RdsDisplay import RassInteractive
 from ServiceReference import ServiceReference
 from Tools.BoundFunction import boundFunction
-from re import compile
 from os import remove
 profile("ChannelSelection.py after imports")
 
@@ -126,7 +126,7 @@ class ChannelContextMenu(Screen):
                                        append_when_current_valid(current, menu, (_("remove entry"), self.removeCurrentService), level = 0)
                                if current_root and current_root.getPath().find("flags == %d" %(FLAG_SERVICE_NEW_FOUND)) != -1:
                                        append_when_current_valid(current, menu, (_("remove new found flag"), self.removeNewFoundFlag), level = 0)
-                               if isPlayable:
+                               if isPlayable and SystemInfo.get("NumVideoDecoders", 1) > 1:
                                        append_when_current_valid(current, menu, (_("Activate Picture in Picture"), self.showServiceInPiP), level = 0, key = "blue")
                                        self.pipAvailable = True
                        else:
@@ -208,7 +208,7 @@ class ChannelContextMenu(Screen):
                if self.session.pip.playService(newservice):
                        self.session.pipshown = True
                        self.session.pip.servicePath = self.csel.getCurrentServicePath()
-                       self.close()
+                       self.close(True)
                else:
                        self.session.pipshown = False
                        del self.session.pip
@@ -672,7 +672,11 @@ class ChannelSelectionEdit:
                        self.entry_marked = True
 
        def doContext(self):
-               self.session.open(ChannelContextMenu, self)
+               self.session.openWithCallback(self.exitContext, ChannelContextMenu, self)
+               
+       def exitContext(self, close = False):
+               if close:
+                       self.cancel()
 
 MODE_TV = 0
 MODE_RADIO = 1
@@ -708,6 +712,7 @@ class ChannelSelectionBase(Screen):
                self.servicePathTV = [ ]
                self.servicePathRadio = [ ]
                self.servicePath = [ ]
+               self.rootChanged = False
 
                self.mode = MODE_TV
 
@@ -814,6 +819,7 @@ class ChannelSelectionBase(Screen):
                else:
                        self.servicelist.setMode(ServiceList.MODE_NORMAL)
                self.servicelist.setRoot(root, justSet)
+               self.rootChanged = True
                self.buildTitleString()
 
        def removeModeStr(self, str):
@@ -1175,6 +1181,7 @@ class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelect
                self.servicelist.setPlayableIgnoreService(eServiceReference())
 
        def setMode(self):
+               self.rootChanged = True
                self.restoreRoot()
                lastservice=eServiceReference(self.lastservice.value)
                if lastservice.valid():
@@ -1298,19 +1305,21 @@ class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelect
                        self.lastroot.save()
 
        def restoreRoot(self):
-               self.clearPath()
-               re = compile('.+?;')
-               tmp = re.findall(self.lastroot.value)
-               cnt = 0
-               for i in tmp:
-                       self.servicePath.append(eServiceReference(i[:-1]))
-                       cnt += 1
-               if cnt:
-                       path = self.servicePath.pop()
-                       self.enterPath(path)
-               else:
-                       self.showFavourites()
-                       self.saveRoot()
+               tmp = [x for x in self.lastroot.value.split(';') if x != '']
+               current = [x.toString() for x in self.servicePath]
+               if tmp != current or self.rootChanged:
+                       self.clearPath()
+                       cnt = 0
+                       for i in tmp:
+                               self.servicePath.append(eServiceReference(i))
+                               cnt += 1
+                       if cnt:
+                               path = self.servicePath.pop()
+                               self.enterPath(path)
+                       else:
+                               self.showFavourites()
+                               self.saveRoot()
+                       self.rootChanged = False
 
        def preEnterPath(self, refstr):
                if self.servicePath and self.servicePath[0] != eServiceReference(refstr):
@@ -1458,19 +1467,20 @@ class ChannelSelectionRadio(ChannelSelectionBase, ChannelSelectionEdit, ChannelS
                        config.radio.lastroot.save()
 
        def restoreRoot(self):
-               self.clearPath()
-               re = compile('.+?;')
-               tmp = re.findall(config.radio.lastroot.value)
-               cnt = 0
-               for i in tmp:
-                       self.servicePathRadio.append(eServiceReference(i[:-1]))
-                       cnt += 1
-               if cnt:
-                       path = self.servicePathRadio.pop()
-                       self.enterPath(path)
-               else:
-                       self.showFavourites()
-                       self.saveRoot()
+               tmp = [x for x in self.lastroot.value.split(';') if x != '']
+               current = [x.toString() for x in self.servicePath]
+               if tmp != current or self.rootChanged:
+                       cnt = 0
+                       for i in tmp:
+                               self.servicePathRadio.append(eServiceReference(i))
+                               cnt += 1
+                       if cnt:
+                               path = self.servicePathRadio.pop()
+                               self.enterPath(path)
+                       else:
+                               self.showFavourites()
+                               self.saveRoot()
+                       self.rootChanged = False
 
        def preEnterPath(self, refstr):
                if self.servicePathRadio and self.servicePathRadio[0] != eServiceReference(refstr):