From a0417309b8dce62dacce1a5519d6de47533b8802 Mon Sep 17 00:00:00 2001
From: adrianknight89 <adrianknight89@outlook.com>
Date: Mon, 9 Jan 2017 04:53:15 -0600
Subject: [iOS] Register effects for ScrollView and WebView (#641)

* fix effects

* move effect utilities to core

* use core class

* move to internals namespace

* remove IEffectControlProvider from IVisualElementRenderer
---
 Xamarin.Forms.Core/Internals/EffectUtilities.cs | 16 ++++++++++++++++
 Xamarin.Forms.Core/Xamarin.Forms.Core.csproj    |  3 ++-
 2 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 Xamarin.Forms.Core/Internals/EffectUtilities.cs

(limited to 'Xamarin.Forms.Core')

diff --git a/Xamarin.Forms.Core/Internals/EffectUtilities.cs b/Xamarin.Forms.Core/Internals/EffectUtilities.cs
new file mode 100644
index 00000000..f4fe8323
--- /dev/null
+++ b/Xamarin.Forms.Core/Internals/EffectUtilities.cs
@@ -0,0 +1,16 @@
+namespace Xamarin.Forms.Internals
+{
+	internal static class EffectUtilities
+	{
+		public static void RegisterEffectControlProvider(IEffectControlProvider self, IElementController oldElement, IElementController newElement)
+		{
+			IElementController controller = oldElement;
+			if (controller != null && controller.EffectControlProvider == self)
+				controller.EffectControlProvider = null;
+
+			controller = newElement;
+			if (controller != null)
+				controller.EffectControlProvider = self;
+		}
+	}
+}
\ No newline at end of file
diff --git a/Xamarin.Forms.Core/Xamarin.Forms.Core.csproj b/Xamarin.Forms.Core/Xamarin.Forms.Core.csproj
index dd01d4b2..9bfb7ba2 100644
--- a/Xamarin.Forms.Core/Xamarin.Forms.Core.csproj
+++ b/Xamarin.Forms.Core/Xamarin.Forms.Core.csproj
@@ -86,6 +86,7 @@
     <Compile Include="DataTemplateSelector.cs" />
     <Compile Include="DateChangedEventArgs.cs" />
     <Compile Include="DelegateLogListener.cs" />
+    <Compile Include="Internals\EffectUtilities.cs" />
     <Compile Include="EnumerableExtensions.cs" />
     <Compile Include="PlatformConfiguration\AndroidSpecific\AppCompat\Application.cs" />
     <Compile Include="PlatformConfiguration\AndroidSpecific\Application.cs" />
@@ -461,4 +462,4 @@
     </PostBuildEvent>
   </PropertyGroup>
   <ItemGroup />
-</Project>
+</Project>
\ No newline at end of file
-- 
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