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authorJason Smith <jason.smith@xamarin.com>2016-03-22 13:02:25 -0700
committerJason Smith <jason.smith@xamarin.com>2016-03-22 16:13:41 -0700
commit17fdde66d94155fc62a034fa6658995bef6fd6e5 (patch)
treeb5e5073a2a7b15cdbe826faa5c763e270a505729 /Xamarin.Forms.Platform.Android/ColorExtensions.cs
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Initial import
Diffstat (limited to 'Xamarin.Forms.Platform.Android/ColorExtensions.cs')
-rw-r--r--Xamarin.Forms.Platform.Android/ColorExtensions.cs40
1 files changed, 40 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.Android/ColorExtensions.cs b/Xamarin.Forms.Platform.Android/ColorExtensions.cs
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+++ b/Xamarin.Forms.Platform.Android/ColorExtensions.cs
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+using Android.Content.Res;
+using AColor = Android.Graphics.Color;
+
+namespace Xamarin.Forms.Platform.Android
+{
+ public static class ColorExtensions
+ {
+ static readonly int[][] ColorStates = { new[] { global::Android.Resource.Attribute.StateEnabled }, new[] { -global::Android.Resource.Attribute.StateEnabled } };
+
+ public static AColor ToAndroid(this Color self)
+ {
+ return new AColor((byte)(byte.MaxValue * self.R), (byte)(byte.MaxValue * self.G), (byte)(byte.MaxValue * self.B), (byte)(byte.MaxValue * self.A));
+ }
+
+ public static AColor ToAndroid(this Color self, int defaultColorResourceId)
+ {
+ if (self == Color.Default)
+ {
+ using(Resources resources = Resources.System)
+ return resources.GetColor(defaultColorResourceId);
+ }
+
+ return ToAndroid(self);
+ }
+
+ public static AColor ToAndroid(this Color self, Color defaultColor)
+ {
+ if (self == Color.Default)
+ return defaultColor.ToAndroid();
+
+ return ToAndroid(self);
+ }
+
+ public static ColorStateList ToAndroidPreserveDisabled(this Color color, ColorStateList defaults)
+ {
+ int disabled = defaults.GetColorForState(ColorStates[1], color.ToAndroid());
+ return new ColorStateList(ColorStates, new[] { color.ToAndroid().ToArgb(), disabled });
+ }
+ }
+} \ No newline at end of file