WinRT + ExtendedVisualStateManager + Caliburn = Visual State Groups in a ListItem DataTemplate

gistfile1.xml

<ListBox x:Name="SpecialsList" 
     ItemsSource="{Binding MaxFares}" 
     SelectedItem="{Binding SelectedFare, Mode=TwoWay}"
     ScrollViewer.VerticalScrollBarVisibility="Disabled"
     BorderThickness="0" BorderBrush="Transparent"
     HorizontalAlignment="Stretch"
     HorizontalContentAlignment="Stretch" 
     Foreground="{StaticResource VirginCharcoalBrush}"
     Background="{StaticResource VirginRedBrush}"
     ScrollViewer.VerticalScrollMode="Disabled" 
     ScrollViewer.IsVerticalScrollChainingEnabled="True" 
     ItemContainerStyle="{StaticResource AlertsListBoxItemStyleTouch}" 
     Style="{StaticResource NoScrollListBoxStyle}"
     cal:Action.TargetWithoutContext="SetListItemDataTemplateState"
     cal:Message.Attach="[Event SelectionChanged] = [Action SelectionChanged($source, $eventArgs)]">
      <ListBox.ItemTemplate>
      <DataTemplate>
        <Grid  x:Name="RootLayout">
          <VisualStateManager.CustomVisualStateManager>
          <common:ExtendedVisualStateManager />
          </VisualStateManager.CustomVisualStateManager>
          <VisualStateManager.VisualStateGroups>
          <VisualStateGroup x:Name="CommonStates">
          <VisualState x:Name="ToSelected">
          <Storyboard>
              <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="PriceContainer" EnableDependentAnimation="True">
                  <DiscreteObjectKeyFrame KeyTime="0" Value="Green"/>
              </ObjectAnimationUsingKeyFrames>
              <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="PriceSymbol" EnableDependentAnimation="True">
                  <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource VirginRedBrush}"/>
              </ObjectAnimationUsingKeyFrames>
              <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="PriceText" EnableDependentAnimation="True">
                  <DiscreteObjectKeyFrame KeyTime="0" Value="Collapsed" />
              </ObjectAnimationUsingKeyFrames>
          </Storyboard>
          </VisualState>
          <VisualState x:Name="Normal"/>
          <VisualState x:Name="Unselected"/>
          </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
        </Grid>
        </DataTemplate>
    </ListBox.ItemTemplate>
</ListBox>

SetListItemDataTemplateState.cs

public class SetListItemDataTemplateState
{
    public void SelectionChanged(dynamic sender, dynamic args)
    {
        var container = sender.ItemContainerGenerator;
        foreach (var item in args.AddedItems)
        {
            var listItem = container.ContainerFromItem(item);
            var layout = FrameworkElementExtensions.FindDescendantByName(listItem, "RootLayout");
            ExtendedVisualStateManager.GoToElementState(layout, "ToSelected", true);
        }
    } 
}