Remove unnecessary update at initialize

Change-Id: Ia6e1bcfa7c7ceb35b7b0c8d17376ebecb05f0d97

9 files changed, 65 insertions, 17 deletions

diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/ActivityIndicatorRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/ActivityIndicatorRenderer.cs
index 65407622..25e891cf 100755..100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/ActivityIndicatorRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/ActivityIndicatorRenderer.cs
@@ -36,8 +36,11 @@ namespace Xamarin.Forms.Platform.Tizen
 			base.OnElementChanged(e);
 		}
 
-		void UpdateColor()
+		void UpdateColor(bool initialize)
 		{
+			if (initialize && Element.Color.IsDefault)
+				return;
+
 			Control.Color = (Element.Color == Color.Default) ? s_defaultColor : Element.Color.ToNative();
 		}
 
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/BoxViewRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/BoxViewRenderer.cs
index f34bd322..ff23d67a 100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/BoxViewRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/BoxViewRenderer.cs
@@ -31,13 +31,22 @@ namespace Xamarin.Forms.Platform.Tizen
 			base.OnElementPropertyChanged(sender, e);
 		}
 
-		protected override void UpdateBackgroundColor()
+		protected override void UpdateBackgroundColor(bool initialize)
 		{
-			UpdateColor();
+			if (initialize && Element.BackgroundColor.IsDefault)
+				return;
+
+			if (Element.Color.IsDefault)
+			{
+				UpdateColor();
+			}
 		}
 
-		protected override void UpdateOpacity()
+		protected override void UpdateOpacity(bool initialize)
 		{
+			if (initialize && Element.Opacity == 1d)
+				return;
+
 			UpdateColor();
 		}
 
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/ButtonRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/ButtonRenderer.cs
index c44c6294..97b07bb7 100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/ButtonRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/ButtonRenderer.cs
@@ -95,8 +95,12 @@ namespace Xamarin.Forms.Platform.Tizen
 
 		protected override void UpdateThemeStyle()
 		{
-			Control.UpdateStyle(Specific.GetStyle(Element));
-			((IVisualElementController)Element).NativeSizeChanged();
+			var style = Specific.GetStyle(Element);
+			if (!string.IsNullOrEmpty(style))
+			{
+				Control.UpdateStyle(style);
+				((IVisualElementController)Element).NativeSizeChanged();
+			}
 		}
 
 		void UpdateBorder()
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/ContentPageRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/ContentPageRenderer.cs
index 81a00a41..974cf384 100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/ContentPageRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/ContentPageRenderer.cs
@@ -34,8 +34,11 @@ namespace Xamarin.Forms.Platform.Tizen
 			base.OnElementChanged(e);
 		}
 
-		protected override void UpdateBackgroundColor()
+		protected override void UpdateBackgroundColor(bool initialize)
 		{
+			if (initialize && Element.BackgroundColor.IsDefault)
+				return;
+
 			// base.UpdateBackgroundColor() is not called on purpose, we don't want the regular background setting
 			if (Element.BackgroundColor.IsDefault || Element.BackgroundColor.A == 0)
 				_page.Color = EColor.Transparent;
@@ -48,8 +51,11 @@ namespace Xamarin.Forms.Platform.Tizen
 			// empty on purpose
 		}
 
-		void UpdateBackgroundImage()
+		void UpdateBackgroundImage(bool initiaize)
 		{
+			if (initiaize && string.IsNullOrWhiteSpace(Element.BackgroundImage))
+				return;
+
 			if (string.IsNullOrWhiteSpace(Element.BackgroundImage))
 				_page.File = null;
 			else
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/EditorRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/EditorRenderer.cs
index ff96a677..b904b7da 100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/EditorRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/EditorRenderer.cs
@@ -77,8 +77,11 @@ namespace Xamarin.Forms.Platform.Tizen
 			Control.FontAttributes = Element.FontAttributes;
 		}
 
-		void UpdateKeyboard()
+		void UpdateKeyboard(bool initialize)
 		{
+			if (initialize && Element.Keyboard == Keyboard.Default)
+				return;
+
 			Control.Keyboard = Element.Keyboard.ToNative();
 		}
 	}
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/EntryRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/EntryRenderer.cs
index f269869e..3274ec3e 100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/EntryRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/EntryRenderer.cs
@@ -111,8 +111,11 @@ namespace Xamarin.Forms.Platform.Tizen
 			Control.HorizontalTextAlignment = Element.HorizontalTextAlignment.ToNative();
 		}
 
-		void UpdateKeyboard()
+		void UpdateKeyboard(bool initialize)
 		{
+			if (initialize && Element.Keyboard == Keyboard.Default)
+				return;
+
 			Control.Keyboard = Element.Keyboard.ToNative();
 		}
 
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/ListViewRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/ListViewRenderer.cs
index fff21794..a602ae01 100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/ListViewRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/ListViewRenderer.cs
@@ -347,8 +347,11 @@ namespace Xamarin.Forms.Platform.Tizen
 		/// <summary>
 		/// Updates the height of the row.
 		/// </summary>
-		void UpdateRowHeight()
+		void UpdateRowHeight(bool initialize)
 		{
+			if (initialize)
+				return;
+
 			Control.UpdateRealizedItems();
 		}
 
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/SwitchRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/SwitchRenderer.cs
index da00ef9f..e0b54d51 100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/SwitchRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/SwitchRenderer.cs
@@ -20,6 +20,7 @@ namespace Xamarin.Forms.Platform.Tizen
 				var _switch = new Check(Forms.Context.MainWindow)
 				{
 					PropagateEvents = false,
+					Style = SwitchStyle.Toggle
 				};
 				SetNativeControl(_switch);
 			}
@@ -40,6 +41,10 @@ namespace Xamarin.Forms.Platform.Tizen
 		protected override void UpdateThemeStyle()
 		{
 			var style = Specific.GetStyle(Element);
+			if (string.IsNullOrEmpty(style))
+			{
+				return;
+			}
 			switch (style)
 			{
 				case SwitchStyle.Toggle:
diff --git a/Xamarin.Forms.Platform.Tizen/Renderers/VisualElementRenderer.cs b/Xamarin.Forms.Platform.Tizen/Renderers/VisualElementRenderer.cs
index f40ece7e..0e762987 100644
--- a/Xamarin.Forms.Platform.Tizen/Renderers/VisualElementRenderer.cs
+++ b/Xamarin.Forms.Platform.Tizen/Renderers/VisualElementRenderer.cs
@@ -566,8 +566,11 @@ namespace Xamarin.Forms.Platform.Tizen
 			return new ESize(NativeView.MinimumWidth, NativeView.MinimumHeight);
 		}
 
-		protected virtual void UpdateBackgroundColor()
+		protected virtual void UpdateBackgroundColor(bool initialize)
 		{
+			if (initialize && Element.BackgroundColor.IsDefault)
+				return;
+
 			if (NativeView is Widget)
 			{
 				(NativeView as Widget).BackgroundColor = Element.BackgroundColor.ToNative();
@@ -578,8 +581,11 @@ namespace Xamarin.Forms.Platform.Tizen
 			}
 		}
 
-		protected virtual void UpdateOpacity()
+		protected virtual void UpdateOpacity(bool initialize)
 		{
+			if (initialize && Element.Opacity == 1d)
+				return;
+
 			if (NativeView is Widget)
 			{
 				(NativeView as Widget).Opacity = (int)(Element.Opacity * 255.0);
@@ -764,8 +770,11 @@ namespace Xamarin.Forms.Platform.Tizen
 		/// <summary>
 		/// Updates the IsEnabled property.
 		/// </summary>
-		void UpdateIsEnabled()
+		void UpdateIsEnabled(bool initialize)
 		{
+			if (initialize && Element.IsEnabled)
+				return;
+
 			var widget = NativeView as Widget;
 			if (widget != null)
 			{
@@ -776,8 +785,11 @@ namespace Xamarin.Forms.Platform.Tizen
 		/// <summary>
 		/// Updates the InputTransparent property.
 		/// </summary>
-		void UpdateInputTransparent()
+		void UpdateInputTransparent(bool initialize)
 		{
+			if (initialize && Element.InputTransparent == default(bool))
+				return;
+
 			NativeView.PassEvents = Element.InputTransparent;
 		}
 
@@ -818,14 +830,14 @@ namespace Xamarin.Forms.Platform.Tizen
 			}
 		}
 
-		void UpdateToolTip()
+		void UpdateToolTip(bool initialize)
 		{
 			var tooltip = Specific.GetToolTip(Element);
 			if (tooltip != null)
 			{
 				NativeView.SetTooltipText(tooltip);
 			}
-			else
+			else if (!initialize)
 			{
 				NativeView.UnsetTooltip();
 			}