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, 72 insertions, 0 deletions

diff --git a/Xamarin.Forms.Platform.Tizen/Cells/TextCellRenderer.cs b/Xamarin.Forms.Platform.Tizen/Cells/TextCellRenderer.cs
new file mode 100644
index 00000000..2bea3848
--- /dev/null
+++ b/Xamarin.Forms.Platform.Tizen/Cells/TextCellRenderer.cs
@@ -0,0 +1,72 @@
+using ElmSharp;
+using System.Collections.Generic;
+
+namespace Xamarin.Forms.Platform.Tizen
+{
+	public class TextCellRenderer : CellRenderer
+	{
+		public TextCellRenderer() : this("double_label") { }
+		protected TextCellRenderer(string style) : base(style)
+		{
+			MainPart = "elm.text";
+			DetailPart = "elm.text.sub";
+		}
+
+		protected string MainPart { get; set; }
+		protected string DetailPart { get; set; }
+
+		protected override Span OnGetText(Cell cell, string part)
+		{
+			var textCell = (TextCell)cell;
+			if (part == MainPart)
+			{
+				return OnMainText(textCell);
+			}
+			if (part == DetailPart)
+			{
+				return OnDetailText(textCell);
+			}
+			return null;
+		}
+
+		protected virtual Span OnMainText(TextCell cell)
+		{
+			return new Span()
+			{
+				Text = cell.Text,
+				ForegroundColor = cell.TextColor
+			};
+		}
+
+		protected virtual Span OnDetailText(TextCell cell)
+		{
+			return new Span()
+			{
+				Text = cell.Detail,
+				ForegroundColor = cell.DetailColor
+			};
+		}
+
+		protected override bool OnCellPropertyChanged(Cell cell, string property, Dictionary<string, EvasObject> realizedView)
+		{
+			if (property == TextCell.TextProperty.PropertyName ||
+				property == TextCell.TextColorProperty.PropertyName ||
+				property == TextCell.DetailProperty.PropertyName ||
+				property == TextCell.DetailColorProperty.PropertyName)
+			{
+				return true;
+			}
+			return base.OnCellPropertyChanged(cell, property, realizedView);
+		}
+	}
+
+	internal class GroupCellTextRenderer : TextCellRenderer
+	{
+
+		public GroupCellTextRenderer() : this("group_index")
+		{
+			DetailPart = "elm.text.end";
+		}
+		protected GroupCellTextRenderer(string style) : base(style) { }
+	}
+}