[pitivi] undo: No need for class attribute actions.

[Thibault Saunier <tsaunier src gnome org>]

commit 4de252f79fe545a5ecf38dcf21d59354b00c3e4b
Author: Mathieu Duponchelle <mathieu duponchelle opencreed com>
Date:   Fri May 2 12:48:36 2014 +0200

    undo: No need for class attribute actions.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=739251

 pitivi/undo/timeline.py |   18 +++++++-----------
 1 files changed, 7 insertions(+), 11 deletions(-)
---
diff --git a/pitivi/undo/timeline.py b/pitivi/undo/timeline.py
index 086b833..ad85ed0 100644
--- a/pitivi/undo/timeline.py
+++ b/pitivi/undo/timeline.py
@@ -224,10 +224,6 @@ class ActivePropertyChanged(UndoableAction):
 
 class TimelineLogObserver(object):
     timelinePropertyChangedAction = ClipPropertyChanged
-    ClipAddedAction = ClipAdded
-    ClipRemovedAction = ClipRemoved
-    effectAddAction = EffectAdded
-    effectRemovedAction = EffectRemoved
     interpolatorKeyframeAddedAction = InterpolatorKeyframeAdded
     interpolatorKeyframeRemovedAction = InterpolatorKeyframeRemoved
     interpolatorKeyframeChangedAction = InterpolatorKeyframeChanged
@@ -326,12 +322,12 @@ class TimelineLogObserver(object):
 
     def _clipAddedCb(self, layer, clip):
         self._connectToClip(clip)
-        action = self.ClipAddedAction(layer, clip)
+        action = ClipAdded(layer, clip)
         self.log.push(action)
 
     def _clipRemovedCb(self, layer, clip):
         self._disconnectFromClip(clip)
-        action = self.ClipRemovedAction(layer, clip)
+        action = ClipRemoved(layer, clip)
         self.log.push(action)
 
     def _clipPropertyChangedCb(self, tracker, clip,
@@ -347,16 +343,16 @@ class TimelineLogObserver(object):
     def _clipTrackElementAddedCb(self, clip, track_element):
         self._connectToTrackElement(track_element)
         if isinstance(track_element, GES.BaseEffect):
-            action = self.effectAddAction(clip, track_element,
-                                          self.effect_properties_tracker)
+            action = EffectAdded(clip, track_element,
+                                 self.effect_properties_tracker)
             self.log.push(action)
 
     def _clipTrackElementRemovedCb(self, clip, track_element):
         self._disconnectFromTrackElement(track_element)
         if isinstance(track_element, GES.BaseEffect):
-            action = self.effectRemovedAction(clip,
-                                              track_element,
-                                              self.effect_properties_tracker)
+            action = EffectRemoved(clip,
+                                   track_element,
+                                   self.effect_properties_tracker)
             self.log.push(action)
 
     def _interpolatorKeyframeAddedCb(self, track_element, keyframe):