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, 38 insertions, 0 deletions

diff --git a/Xamarin.Forms.Platform.Tizen/ElementChangedEventArgs.cs b/Xamarin.Forms.Platform.Tizen/ElementChangedEventArgs.cs
new file mode 100644
index 00000000..844752ec
--- /dev/null
+++ b/Xamarin.Forms.Platform.Tizen/ElementChangedEventArgs.cs
@@ -0,0 +1,38 @@
+using System;
+
+namespace Xamarin.Forms.Platform.Tizen
+{
+	public class ElementChangedEventArgs<TElement> : EventArgs where TElement : Element
+	{
+		/// <summary>
+		/// Holds the old element which is about to be replaced by a new element
+		/// </summary>
+		/// <value>An TElement instance representing the old element just being replaced</value>
+		public TElement OldElement
+		{
+			get;
+			private set;
+		}
+
+		/// <summary>
+		/// Holds the new element which will replace the old element
+		/// </summary>
+		/// <value>An TElement instance representing the new element to be used from now on</value>
+		public TElement NewElement
+		{
+			get;
+			private set;
+		}
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="Xamarin.Forms.Platform.Tizen.ElementChangedEventArgs`1"/> class.
+		/// </summary>
+		/// <param name="oldElement">The old element which will be replaced by a newElement momentarily.</param>
+		/// <param name="newElement">The new element, taking place of an old element.</param>
+		public ElementChangedEventArgs(TElement oldElement, TElement newElement)
+		{
+			this.OldElement = oldElement;
+			this.NewElement = newElement;
+		}
+	}
+}