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using System;
using System.Windows.Media;
namespace Xamarin.Forms.Platform.WinPhone
{
internal static class BrushHelpers
{
/// <summary>
/// Handles the logic for setting a Xamarin.Forms Color for a Brush
/// while caching the original default brush
/// </summary>
/// <param name="color">The target Xamarin.Forms.Color</param>
/// <param name="defaultbrush">The renderer's cache for the default brush</param>
/// <param name="getter">Delegate for retrieving the Control's current Brush</param>
/// <param name="setter">Delegate for setting the Control's Brush</param>
public static void UpdateColor(Color color, ref Brush defaultbrush, Func<Brush> getter, Action<Brush> setter)
{
if (color.IsDefault)
{
if (defaultbrush == null)
{
return;
}
setter(defaultbrush);
return;
}
if (defaultbrush == null)
{
defaultbrush = getter();
}
setter(color.ToBrush());
}
}
}
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