+void AnimationPlayer::observe_events(AnimatedObject &obj, AnimationEventObserver &observer)
+{
+ Target &target = get_slot(obj);
+ if(find(target.event_observers, &observer)==target.event_observers.end())
+ target.event_observers.push_back(&observer);
+}
+
+void AnimationPlayer::unobserve_events(AnimatedObject &obj, AnimationEventObserver &observer)
+{
+ ObjectMap::iterator i = objects.find(&obj);
+ if(i==objects.end())
+ return;
+
+ vector<AnimationEventObserver *>::iterator j = find(i->second.event_observers, &observer);
+ if(j!=i->second.event_observers.end())
+ i->second.event_observers.erase(j);
+}
+
+void AnimationPlayer::unobserve_events(AnimationEventObserver &observer)
+{
+ for(ObjectMap::iterator i=objects.begin(); i!=objects.end(); ++i)
+ {
+ vector<AnimationEventObserver *>::iterator j = find(i->second.event_observers, &observer);
+ if(j!=i->second.event_observers.end())
+ i->second.event_observers.erase(j);
+ }
+}
+
+void AnimationPlayer::stop(Placeable &obj)