New way of layout

Change-Id: I827d199fdc9be0f62a2a149ed2bd943c5ab76056
Signed-off-by: Piotr Bereza <p.bereza@samsung.com>

4 files changed, 27 insertions, 39 deletions

diff --git a/Xamarin.Forms.Platform.Tizen/Native/Box.cs b/Xamarin.Forms.Platform.Tizen/Native/Box.cs
index 2f551902..e2550e1a 100644
--- a/Xamarin.Forms.Platform.Tizen/Native/Box.cs
+++ b/Xamarin.Forms.Platform.Tizen/Native/Box.cs
@@ -40,24 +40,24 @@ namespace Xamarin.Forms.Platform.Tizen.Native
 		/// </remarks>
 		void NotifyOnLayout()
 		{
-			var g = Geometry;
-
-			if (0 == g.Width || 0 == g.Height)
-			{
-				// ignore irrelevant dimensions
-				return;
-			}
 			if (null != LayoutUpdated)
 			{
+				var g = Geometry;
+
+				if (0 == g.Width || 0 == g.Height || g == _previousGeometry)
+				{
+					// ignore irrelevant dimensions
+					return;
+				}
+
 				LayoutUpdated(this, new LayoutEventArgs()
 					{
-						HasChanged = g != _previousGeometry,
 						Geometry = g,
 					}
 				);
-			}
 
-			_previousGeometry = g;
+				_previousGeometry = g;
+			}
 		}
 	}
 }
diff --git a/Xamarin.Forms.Platform.Tizen/Native/LayoutEventArgs.cs b/Xamarin.Forms.Platform.Tizen/Native/LayoutEventArgs.cs
index 060a1212..ddad8039 100644
--- a/Xamarin.Forms.Platform.Tizen/Native/LayoutEventArgs.cs
+++ b/Xamarin.Forms.Platform.Tizen/Native/LayoutEventArgs.cs
@@ -9,21 +9,12 @@ namespace Xamarin.Forms.Platform.Tizen.Native
 	public class LayoutEventArgs : EventArgs
 	{
 		/// <summary>
-		/// Whether or not the dimensions have changed.
-		/// </summary>
-		public bool HasChanged
-		{
-			get;
-			internal set;
-		}
-
-		/// <summary>
 		/// Geometry of the layout area, absolute coordinate
 		/// </summary>
 		public Rect Geometry
 		{
 			get;
-			set;
+			internal set;
 		}
 	}
 }
diff --git a/Xamarin.Forms.Platform.Tizen/Native/ListView.cs b/Xamarin.Forms.Platform.Tizen/Native/ListView.cs
index fed99101..8501df10 100644
--- a/Xamarin.Forms.Platform.Tizen/Native/ListView.cs
+++ b/Xamarin.Forms.Platform.Tizen/Native/ListView.cs
@@ -595,6 +595,8 @@ namespace Xamarin.Forms.Platform.Tizen.Native
 							renderer.NativeView.MinimumHeight = Forms.ConvertToScaledPixel(element.MinimumHeightRequest);
 						}
 
+						(renderer as LayoutRenderer)?.RegisterOnLayoutUpdated();
+
 						return renderer.NativeView;
 					}
 				};
diff --git a/Xamarin.Forms.Platform.Tizen/Native/SearchBar.cs b/Xamarin.Forms.Platform.Tizen/Native/SearchBar.cs
index db597ed9..42ada16e 100644
--- a/Xamarin.Forms.Platform.Tizen/Native/SearchBar.cs
+++ b/Xamarin.Forms.Platform.Tizen/Native/SearchBar.cs
@@ -399,25 +399,20 @@ namespace Xamarin.Forms.Platform.Tizen.Native
 		/// <param name="e">Event arguments.</param>
 		void SearchBarLayoutUpdated(object sender, LayoutEventArgs e)
 		{
-			if (!e.HasChanged)
-			{
-				return;
-			}
-
-			_underlineRectangle.Geometry = new ERect(Geometry.Left + RectanglePaddingHorizontal,
-															 Geometry.Top + EntryPaddingVertical + EntryHeight + RectanglePaddingTop,
-															 Geometry.Width - (RectanglePaddingHorizontal * 2),
-															 RectangleHeight);
-
-			_entry.Geometry = new ERect(Geometry.Left + EntryPaddingHorizontal,
-												Geometry.Top + EntryPaddingVertical,
-												Geometry.Width - (EntryPaddingHorizontal + (CancelButtonPaddingHorizontal * 2) + CancelButtonSize),
-												EntryHeight);
-
-			_cancelButton.Geometry = new ERect(Geometry.Right - CancelButtonSize - CancelButtonPaddingHorizontal,
-													   Geometry.Top + RectanglePaddingBottom,
-													   CancelButtonSize,
-													   CancelButtonSize);
+			_underlineRectangle.Geometry = new ERect(e.Geometry.Left + RectanglePaddingHorizontal,
+				e.Geometry.Top + EntryPaddingVertical + EntryHeight + RectanglePaddingTop,
+				e.Geometry.Width - (RectanglePaddingHorizontal * 2),
+				RectangleHeight);
+
+			_entry.Geometry = new ERect(e.Geometry.Left + EntryPaddingHorizontal,
+				e.Geometry.Top + EntryPaddingVertical,
+				e.Geometry.Width - (EntryPaddingHorizontal + (CancelButtonPaddingHorizontal * 2) + CancelButtonSize),
+				EntryHeight);
+
+			_cancelButton.Geometry = new ERect(e.Geometry.Right - CancelButtonSize - CancelButtonPaddingHorizontal,
+				e.Geometry.Top + RectanglePaddingBottom,
+				CancelButtonSize,
+				CancelButtonSize);
 		}
 	}
 }