[Tizen] Enhances the shell renderer (#12119)

* Update calculation of absolute coordination

* Enhancement Shell renderer

* Apply device size independent scaling

* Refactoring NavigationView structure

* Fix Shell.FlyoutBehavior.Disabled

* Update scale

* Remove public symbol

* Update ThemeManager for Shell and DisplayResolutionUnit

* Change navigation stack default background color

Author: myroot

Xamarin.Forms.Material.Tizen/Shell/MaterialNavigationDrawer.cs

@@ -160,6 +160,8 @@ public override Size ScaledScreenSize
 				}
 			}
 
+			public Size PhysicalScreenSize { get; }
+
 			public override double ScalingFactor
 			{
 				get
@@ -184,6 +186,9 @@ public TizenDeviceInfo()
 				TSystemInfo.TryGetValue("http://tizen.org/feature/screen.width", out width);
 				TSystemInfo.TryGetValue("http://tizen.org/feature/screen.height", out height);
 
+				var physicalScale = s_dpi.Value / 160.0;
+				PhysicalScreenSize = new Size(width / physicalScale, height / physicalScale);
+
 				scalingFactor = 1.0;  // scaling is disabled, we're using pixels as Xamarin's geometry units
 				if (DisplayResolutionUnit.UseVP && DisplayResolutionUnit.ViewportWidth > 0)
 				{
@@ -198,9 +203,7 @@ public TizenDeviceInfo()
 
 					if (DisplayResolutionUnit.UseDeviceScale)
 					{
-						var physicalScale = s_dpi.Value / 160.0;
-
-						var portraitSize = (Math.Min(width, height)) / physicalScale;
+						var portraitSize = Math.Min(PhysicalScreenSize.Width, PhysicalScreenSize.Height);
 						if (portraitSize > 2000)
 						{
 							scalingFactor *= 4;
@@ -266,6 +269,10 @@ public static bool IsInitialized
 
 		public static DisplayResolutionUnit DisplayResolutionUnit { get; private set; }
 
+		public static int ScreenDPI => s_dpi.Value;
+
+		public static Size PhysicalScreenSize => (Device.info as TizenDeviceInfo).PhysicalScreenSize;
+
 		internal static TizenTitleBarVisibility TitleBarVisibility
 		{
 			get;

Xamarin.Forms.Material.Tizen/Shell/MaterialNavigationView.cs

@@ -1,5 +1,3 @@
-using ElmSharp;
-using System;
 using System.ComponentModel;
 
 namespace Xamarin.Forms.Platform.Tizen
@@ -86,6 +84,17 @@ protected override void UpdateInputTransparent(bool initialize)
 				GestureDetector.InputTransparent = Element.InputTransparent;
 			}
 		}
+		protected override void UpdateLayout()
+		{
+			if (!_layoutUpdatedRegistered)
+			{
+				base.UpdateLayout();
+			}
+			else
+			{
+				ApplyTransformation();
+			}
+		}
 
 		void OnLayoutUpdated(object sender, Native.LayoutEventArgs e)
 		{

Xamarin.Forms.Material.Tizen/Shell/MaterialShellItemRenderer.cs

@@ -677,12 +677,12 @@ public virtual ERect GetNativeContentGeometry()
 
 		static double ComputeAbsoluteX(VisualElement e)
 		{
-			return e.X + ((e.RealParent is VisualElement) && !(e.RealParent is ListView || e.RealParent is ItemsView) ? Forms.ConvertToScaledDP(Platform.GetRenderer(e.RealParent).GetNativeContentGeometry().X) : 0.0);
+			return e.X + ((e.RealParent is VisualElement) ? Forms.ConvertToScaledDP(Platform.GetRenderer(e.RealParent).GetNativeContentGeometry().X) : 0.0);
 		}
 
 		static double ComputeAbsoluteY(VisualElement e)
 		{
-			return e.Y + ((e.RealParent is VisualElement) && !(e.RealParent is ListView || e.RealParent is ItemsView) ? Forms.ConvertToScaledDP(Platform.GetRenderer(e.RealParent).GetNativeContentGeometry().Y) : 0.0);
+			return e.Y + ((e.RealParent is VisualElement) ? Forms.ConvertToScaledDP(Platform.GetRenderer(e.RealParent).GetNativeContentGeometry().Y) : 0.0);
 		}
 
 		static Point ComputeAbsolutePoint(VisualElement e)