optionally call callback with event argument

[enigma2.git] / lib / python / Components / PerServiceDisplay.py

diff --git a/lib/python/Components/PerServiceDisplay.py b/lib/python/Components/PerServiceDisplay.py
index fe5010528bdd0de3f862e81b06432bf0f29e58b9..a36d4a6045131142f65ec7fd972f34e0d8213992 100644 (file)
--- a/lib/python/Components/PerServiceDisplay.py
+++ b/lib/python/Components/PerServiceDisplay.py
@@ -3,34 +3,54 @@ from VariableText import *
 from VariableValue import *
 
 from enigma import iPlayableService
-from enigma import eLabel, eSlider
+from enigma import eLabel, eSlider, eTimer
 
-class PerServiceDisplay(GUIComponent, VariableText):
-       """Mixin for building components which display something which changes on navigation events, for example "service name" """
-       
-       def __init__(self, navcore, eventmap):
-               GUIComponent.__init__(self)
-               VariableText.__init__(self)
+class PerServiceBase(object):
+       def __init__(self, navcore, eventmap, with_event=False):
                self.eventmap = eventmap
                self.navcore = navcore
                self.navcore.event.append(self.event)
-
+               self.poll_timer = eTimer()
+               self.poll_timer.timeout.get().append(self.poll)
+               self.with_event = with_event
+               
                # start with stopped state, so simulate that
                self.event(iPlayableService.evEnd)
 
+       def destroy(self):
+               self.navcore.event.remove(self.event)
+
        def event(self, ev):
                # loop up if we need to handle this event
                if self.eventmap.has_key(ev):
                        # call handler
-                       self.eventmap[ev]()
+                       if self.with_event:
+                               self.eventmap[ev](ev)
+                       else:
+                               self.eventmap[ev]()
+       
+       def enablePolling(self, interval=60000):
+               if interval:
+                       self.poll_timer.start(interval)
+               else:
+                       self.poll_timer.stop()
        
-       def createWidget(self, parent):
-               # by default, we use a label to display our data.
-               g = eLabel(parent)
-               return g
+       def disablePolling(self):
+               self.enablePolling(interval=0)
 
+       def poll(self):
+               pass
 
-class PerServiceDisplayProgress(GUIComponent, VariableValue, PerServiceDisplay):
+class PerServiceDisplay(PerServiceBase, VariableText, GUIComponent):
+       """Mixin for building components which display something which changes on navigation events, for example "service name" """
+       def __init__(self, navcore, eventmap):
+               GUIComponent.__init__(self)
+               VariableText.__init__(self)
+               PerServiceBase.__init__(self, navcore, eventmap)
+
+       GUI_WIDGET = eLabel
+
+class PerServiceDisplayProgress(PerServiceBase, VariableValue, GUIComponent):
        def __init__(self, navcore, eventmap):
                GUIComponent.__init__(self)
                VariableValue.__init__(self)
@@ -41,9 +61,4 @@ class PerServiceDisplayProgress(GUIComponent, VariableValue, PerServiceDisplay):
                # start with stopped state, so simulate that
                self.event(iPlayableService.evEnd)
 
-
-       def createWidget(self, parent):
-               # by default, we use a label to display our data.
-               self.g = eSlider(parent)
-               return self.g
-       
\ No newline at end of file
+       GUI_WIDGET = eSlider