static NodeName NameCompositionObject(TNode node, CompositionObject obj)
{
var name = NameOf(obj);
if (name != null)
{
// The object has a name, so use it.
return(NodeName.FromNonTypeName(name));
}
return(obj.Type switch
{
// For some animations, we can include a description of the start and end values
// to make the names more descriptive.
CompositionObjectType.ColorKeyFrameAnimation
=> NodeName.FromNameAndDescription("ColorAnimation", DescribeAnimationRange((ColorKeyFrameAnimation)obj)),
CompositionObjectType.ScalarKeyFrameAnimation
=> NodeName.FromNameAndDescription($"{TryGetAnimatedPropertyName(node)}ScalarAnimation", DescribeAnimationRange((ScalarKeyFrameAnimation)obj)),
// Do not include descriptions of the animation range for vectors - the names
// end up being very long, complicated, and confusing to the reader.
CompositionObjectType.Vector2KeyFrameAnimation => NodeName.FromNonTypeName($"{TryGetAnimatedPropertyName(node)}Vector2Animation"),
CompositionObjectType.Vector3KeyFrameAnimation => NodeName.FromNonTypeName($"{TryGetAnimatedPropertyName(node)}Vector3Animation"),
CompositionObjectType.Vector4KeyFrameAnimation => NodeName.FromNonTypeName($"{TryGetAnimatedPropertyName(node)}Vector4Animation"),
// Boolean animations don't have interesting range descriptions, but their property name
// is helpful to know (it is typically "IsVisible").
CompositionObjectType.BooleanKeyFrameAnimation => NodeName.FromNonTypeName($"{TryGetAnimatedPropertyName(node)}BooleanAnimation"),
// Geometries include their size as part of the description.
CompositionObjectType.CompositionRectangleGeometry
=> NodeName.FromNameAndDescription("Rectangle", Vector2AsId(((CompositionRectangleGeometry)obj).Size)),
CompositionObjectType.CompositionRoundedRectangleGeometry
=> NodeName.FromNameAndDescription("RoundedRectangle", Vector2AsId(((CompositionRoundedRectangleGeometry)obj).Size)),
CompositionObjectType.CompositionEllipseGeometry
=> NodeName.FromNameAndDescription("Ellipse", Vector2AsId(((CompositionEllipseGeometry)obj).Radius)),
CompositionObjectType.ExpressionAnimation => NameExpressionAnimation((ExpressionAnimation)obj),
CompositionObjectType.CompositionColorBrush => NameCompositionColorBrush((CompositionColorBrush)obj),
CompositionObjectType.CompositionColorGradientStop => NameCompositionColorGradientStop((CompositionColorGradientStop)obj),
CompositionObjectType.StepEasingFunction => NameStepEasingFunction((StepEasingFunction)obj),
_ => NameCompositionObjectType(obj.Type),
});
