Add Tizen backend renderer

- Xamarin.Forms.Platform.Tizen has been added
- Xamarin.Forms.Maps.Tizen has been added
- RPM build spec has been added

Change-Id: I0021e0f040d97345affc87512ee0f6ce437f4e6d

1 files changed, 61 insertions, 0 deletions

diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/BoxViewRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/BoxViewRenderer.cs
new file mode 100644
index 00000000..7a9f756d
--- /dev/null
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/BoxViewRenderer.cs
@@ -0,0 +1,61 @@
+using System.ComponentModel;
+using EColor = ElmSharp.Color;
+using ERectangle = ElmSharp.Rectangle;
+
+namespace Xamarin.Forms.Platform.Tizen
+{
+	public class BoxViewRenderer :
+	VisualElementRenderer<BoxView>
+	{
+		static readonly EColor s_defaultColor = EColor.Transparent;
+
+		ERectangle _control;
+
+		public BoxViewRenderer()
+		{
+		}
+
+		protected override void OnElementChanged(ElementChangedEventArgs<BoxView> e)
+		{
+			if (_control == null)
+			{
+				_control = new ERectangle(Forms.Context.MainWindow);
+				SetNativeControl(_control);
+			}
+
+			if (e.OldElement != null)
+			{
+			}
+
+			if (e.NewElement != null)
+			{
+				UpdateColor();
+			}
+
+			base.OnElementChanged(e);
+		}
+
+		void UpdateColor()
+		{
+			Color colorToSet = Element.Color;
+
+			if (colorToSet == Color.Default)
+			{
+				colorToSet = Element.BackgroundColor;
+			}
+
+			_control.Color = (colorToSet == Color.Default) ? s_defaultColor : colorToSet.ToNative();
+		}
+
+		protected override void OnElementPropertyChanged(object sender,
+			PropertyChangedEventArgs e)
+		{
+			if (e.PropertyName == BoxView.ColorProperty.PropertyName ||
+				e.PropertyName == VisualElement.BackgroundColorProperty.PropertyName)
+			{
+				UpdateColor();
+			}
+			base.OnElementPropertyChanged(sender, e);
+		}
+	}
+}