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, 95 insertions, 0 deletions

diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/ButtonRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/ButtonRenderer.cs
new file mode 100644
index 00000000..a34df549
--- /dev/null
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/ButtonRenderer.cs
@@ -0,0 +1,95 @@
+using System;
+using EColor = ElmSharp.Color;
+
+namespace Xamarin.Forms.Platform.Tizen
+{
+	public class ButtonRenderer : ViewRenderer<Button, Native.Button>
+	{
+		static readonly EColor s_defaultTextColor = EColor.White;
+
+		public ButtonRenderer()
+		{
+			RegisterPropertyHandler(Button.TextProperty, UpdateText);
+			RegisterPropertyHandler(Button.FontFamilyProperty, UpdateText);
+			RegisterPropertyHandler(Button.FontSizeProperty, UpdateText);
+			RegisterPropertyHandler(Button.FontAttributesProperty, UpdateText);
+			RegisterPropertyHandler(Button.TextColorProperty, UpdateTextColor);
+			RegisterPropertyHandler(Button.ImageProperty, UpdateBitmap);
+			RegisterPropertyHandler(Button.BorderColorProperty, UpdateBorder);
+			RegisterPropertyHandler(Button.BorderRadiusProperty, UpdateBorder);
+			RegisterPropertyHandler(Button.BorderWidthProperty, UpdateBorder);
+		}
+
+		protected override void OnElementChanged(ElementChangedEventArgs<Button> e)
+		{
+			if (Control == null)
+			{
+				var button = new Native.Button(Forms.Context.MainWindow)
+				{
+					PropagateEvents = false,
+				};
+				SetNativeControl(button);
+			}
+
+			if (e.OldElement != null)
+			{
+				Control.Clicked -= ButtonClickedHandler;
+			}
+
+			if (e.NewElement != null)
+			{
+				Control.Clicked += ButtonClickedHandler;
+			}
+
+			base.OnElementChanged(e);
+		}
+
+		protected override Size MinimumSize()
+		{
+			return new Size(Control.MinimumWidth, Control.MinimumHeight);
+		}
+
+		void ButtonClickedHandler(object sender, EventArgs e)
+		{
+			IButtonController btn = Element as IButtonController;
+			if (btn != null)
+			{
+				btn.SendClicked();
+			}
+		}
+
+		void UpdateText()
+		{
+			Control.Text = Element.Text ?? "";
+			Control.FontSize = Element.FontSize;
+			Control.FontAttributes = Element.FontAttributes;
+			Control.FontFamily = Element.FontFamily;
+		}
+
+		void UpdateTextColor()
+		{
+			Control.TextColor = Element.TextColor.IsDefault ? s_defaultTextColor : Element.TextColor.ToNative();
+		}
+
+		void UpdateBitmap()
+		{
+			if (!string.IsNullOrEmpty(Element.Image))
+			{
+				Control.Image = new Native.Image(Control);
+				Control.Image.LoadFromImageSourceAsync(Element.Image);
+			}
+			else
+			{
+				Control.Image = null;
+			}
+		}
+
+		void UpdateBorder()
+		{
+			/* The simpler way is to create some specialized theme for button in
+			 * tizen-theme
+			 */
+			// TODO: implement border handling
+		}
+	}
+}