properly handle negative time values

[enigma2.git] / lib / python / Components / Converter / ServicePosition.py

diff --git a/lib/python/Components/Converter/ServicePosition.py b/lib/python/Components/Converter/ServicePosition.py
index 871693338254aa4c0f6f0924d1e0f84cbb1adb10..94d712223210c60e5d62e057032a3dd05d0de77f 100644 (file)
--- a/lib/python/Components/Converter/ServicePosition.py
+++ b/lib/python/Components/Converter/ServicePosition.py
@@ -1,6 +1,7 @@
 from Converter import Converter
 from Poll import Poll
 from enigma import iPlayableService
+from Components.Element import cached
 
 class ServicePosition(Converter, Poll, object):
        TYPE_LENGTH = 0,
@@ -8,9 +9,9 @@ class ServicePosition(Converter, Poll, object):
        TYPE_REMAINING = 2,
        TYPE_GAUGE = 3
        
-       def __init__(self, type, *args, **kwargs):
+       def __init__(self, type):
                Poll.__init__(self)
-               Converter.__init__(self)
+               Converter.__init__(self, type)
                if type == "Length":
                        self.type = self.TYPE_LENGTH
                elif type == "Position":
@@ -27,6 +28,7 @@ class ServicePosition(Converter, Poll, object):
                s = self.source.service
                return s and s.seek()
        
+       @cached
        def getPosition(self):
                seek = self.getSeek()
                if seek is None:
@@ -36,6 +38,7 @@ class ServicePosition(Converter, Poll, object):
                        return 0
                return pos[1]
        
+       @cached
        def getLength(self):
                seek = self.getSeek()
                if seek is None:
@@ -45,11 +48,13 @@ class ServicePosition(Converter, Poll, object):
                        return 0
                return length[1]
        
+       @cached
        def getCutlist(self):
                service = self.source.service
                cue = service and service.cueSheet()
                return cue and cue.getCutList()
        
+       @cached
        def getText(self):
                seek = self.getSeek()
                if seek is None:
@@ -63,20 +68,27 @@ class ServicePosition(Converter, Poll, object):
                                l = self.length - self.position
                        
                        l /= 90000
-                       return "%d:%02d" % (l/60, l%60)
+                       
+                       if l > 0:
+                               sign = ""
+                       else:
+                               l = -l
+                               sign = "-"
+                       
+                       return sign + "%d:%02d" % (l/60, l%60)
 
        position = property(getPosition)
        length = property(getLength)
        cutlist = property(getCutlist)
        text = property(getText)
        
-       def changed(self, *args):
-               cutlist_refresh = len(args) and args[0] in [iPlayableService.evCuesheetChanged, iPlayableService.evStart, iPlayableService.evEnd]
-               time_refresh = not len(args) or args[0] in [iPlayableService.evStart, iPlayableService.evEnd]
+       def changed(self, what):
+               cutlist_refresh = what[0] != self.CHANGED_SPECIFIC or what[1] in [iPlayableService.evCuesheetChanged]
+               time_refresh = what[0] == self.CHANGED_POLL or what[0] == self.CHANGED_SPECIFIC and what[1] in [iPlayableService.evCuesheetChanged]
                
                if cutlist_refresh:
                        if self.type == self.TYPE_GAUGE:
                                self.downstream_elements.cutlist_changed()
 
                if time_refresh:
-                       self.downstream_elements.changed()
+                       self.downstream_elements.changed(what)