properly handle negative time values
[enigma2.git] / lib / python / Components / Converter / ServicePosition.py
index 92c7b59b4fa09a73a9292f9967ead3522be919ea..94d712223210c60e5d62e057032a3dd05d0de77f 100644 (file)
@@ -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:
@@ -34,8 +36,9 @@ class ServicePosition(Converter, Poll, object):
                pos = seek.getPlayPosition()
                if pos[0]:
                        return 0
-               return pos[1] / 90000
+               return pos[1]
        
+       @cached
        def getLength(self):
                seek = self.getSeek()
                if seek is None:
@@ -43,13 +46,15 @@ class ServicePosition(Converter, Poll, object):
                length = seek.getLength()
                if length[0]:
                        return 0
-               return length[1] / 90000
+               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:
@@ -61,20 +66,29 @@ class ServicePosition(Converter, Poll, object):
                                l = self.position
                        elif self.type == self.TYPE_REMAINING:
                                l = self.length - self.position
-                       return "%d:%02d" % (l/60, l%60)
+                       
+                       l /= 90000
+                       
+                       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)