private bool CanOptimizeAnimation(KeyFrameAnimationSceneNode nodeToTest)
{
TimelineSceneNode.PropertyNodePair elementAndProperty = nodeToTest.TargetElementAndProperty;
if (elementAndProperty.PropertyReference == null || FromToAnimationSceneNode.GetFromToAnimationForType((ITypeId)elementAndProperty.PropertyReference.ValueTypeId, nodeToTest.ProjectContext) == null || (nodeToTest.KeyFrameCount != 1 || DesignTimeProperties.ExplicitAnimationProperty.Equals((object)elementAndProperty.PropertyReference[0])))
{
return(false);
}
KeyFrameSceneNode keyFrameAtIndex = nodeToTest.GetKeyFrameAtIndex(0);
Duration? nullable = nodeToTest.GetLocalOrDefaultValueAsWpf(TimelineSceneNode.DurationProperty) as Duration?;
bool flag = !nullable.HasValue || nullable.Value == Duration.Automatic || nullable.Value.HasTimeSpan && nullable.Value.TimeSpan.TotalSeconds == keyFrameAtIndex.Time;
if (keyFrameAtIndex.InterpolationType != KeyFrameInterpolationType.Easing || !flag)
{
return(false);
}
foreach (IMemberId memberId in (IEnumerable <IProperty>)((DocumentCompositeNode)nodeToTest.DocumentNode).Properties.Keys)
{
switch (memberId.Name)
{
case "Duration":
case "TargetName":
case "TargetProperty":
case "BeginTime":
case "IsAnimationProxy":
case "KeyFrames":
case "ShouldSerialize":
continue;
default:
return(false);
}
}
return(true);
}
