Initial import

1 files changed, 68 insertions, 0 deletions

diff --git a/Xamarin.Forms.Platform.Android/ResourcesProvider.cs b/Xamarin.Forms.Platform.Android/ResourcesProvider.cs
new file mode 100644
index 00000000..334ef56a
--- /dev/null
+++ b/Xamarin.Forms.Platform.Android/ResourcesProvider.cs
@@ -0,0 +1,68 @@
+using Android.Content;
+using Android.Content.Res;
+using Android.Util;
+
+namespace Xamarin.Forms.Platform.Android
+{
+	internal class ResourcesProvider : ISystemResourcesProvider
+	{
+		ResourceDictionary _dictionary;
+
+		public IResourceDictionary GetSystemResources()
+		{
+			_dictionary = new ResourceDictionary();
+
+			UpdateStyles();
+
+			return _dictionary;
+		}
+
+		public Style GetStyle(int style)
+		{
+			var result = new Style(typeof(Label));
+
+			double fontSize = 0;
+			string fontFamily = null;
+			global::Android.Graphics.Color defaultColor = global::Android.Graphics.Color.Argb(0, 0, 0, 0);
+			global::Android.Graphics.Color androidColor = defaultColor;
+
+			Context context = Forms.Context;
+			using(var value = new TypedValue())
+			{
+				if (context.Theme.ResolveAttribute(style, value, true))
+				{
+					var styleattrs = new[] { global::Android.Resource.Attribute.TextSize, global::Android.Resource.Attribute.FontFamily, global::Android.Resource.Attribute.TextColor };
+					using(TypedArray array = context.ObtainStyledAttributes(value.ResourceId, styleattrs))
+					{
+						fontSize = context.FromPixels(array.GetDimensionPixelSize(0, -1));
+						fontFamily = array.GetString(1);
+						androidColor = array.GetColor(2, defaultColor);
+					}
+				}
+			}
+
+			if (fontSize > 0)
+				result.Setters.Add(new Setter { Property = Label.FontSizeProperty, Value = fontSize });
+
+			if (!string.IsNullOrEmpty(fontFamily))
+				result.Setters.Add(new Setter { Property = Label.FontFamilyProperty, Value = fontFamily });
+
+			if (androidColor != defaultColor)
+			{
+				result.Setters.Add(new Setter { Property = Label.TextColorProperty, Value = Color.FromRgba(androidColor.R, androidColor.G, androidColor.B, androidColor.A) });
+			}
+
+			return result;
+		}
+
+		void UpdateStyles()
+		{
+			_dictionary[Device.Styles.BodyStyleKey] = new Style(typeof(Label)); // do nothing, its fine
+			_dictionary[Device.Styles.TitleStyleKey] = GetStyle(global::Android.Resource.Attribute.TextAppearanceLarge);
+			_dictionary[Device.Styles.SubtitleStyleKey] = GetStyle(global::Android.Resource.Attribute.TextAppearanceMedium);
+			_dictionary[Device.Styles.CaptionStyleKey] = GetStyle(global::Android.Resource.Attribute.TextAppearanceSmall);
+			_dictionary[Device.Styles.ListItemTextStyleKey] = GetStyle(global::Android.Resource.Attribute.TextAppearanceListItem);
+			_dictionary[Device.Styles.ListItemDetailTextStyleKey] = GetStyle(global::Android.Resource.Attribute.TextAppearanceListItemSmall);
+		}
+	}
+}
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