[csharp]Cleaner implementation on YogaLogger

csharp/Facebook.Yoga/YogaLogger.cs

@@ -8,17 +8,14 @@
  */
 
 using System;
-using System.Runtime.InteropServices;
 
 namespace Facebook.Yoga
 {
     internal static class YogaLogger
     {
-        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
         public delegate void Func(YogaLogLevel level, string message);
 
         private static bool _initialized;
-        private static Func _managedLogger = null;
 
         public static Func Logger = null;
 
@@ -26,42 +23,27 @@ namespace Facebook.Yoga
         {
             if (!_initialized)
             {
-                _managedLogger = (level, message) => {
-                    if (Logger != null)
-                    {
-                        Logger(level, message);
-                    }
 
-                    if (level == YogaLogLevel.Error)
+                Native.YGInteropSetLogger(LoggerInternal);
-                    {
-                        throw new InvalidOperationException(message);
-                    }
-                };
-#if __IOS__
-                Native.YGInteropSetLogger(ManagedLogger);
-#else
-                Native.YGInteropSetLogger(_managedLogger);
-#endif
                 _initialized = true;
             }
         }
 
 #if __IOS__
-		delegate void ManagedLoggerCallback(YogaLogLevel level, string message);
+        [ObjCRuntime.MonoPInvokeCallback(typeof(Func))]
-
-		[ObjCRuntime.MonoPInvokeCallback(typeof(ManagedLoggerCallback))]
-		public static void ManagedLogger(YogaLogLevel level, string message)
-		{
-			if (Logger != null)
-			{
-				Logger(level, message);
-			}
-
-			if (level == YogaLogLevel.Error)
-			{
-				throw new InvalidOperationException(message);
-			}
-		}
 #endif
+        public static void LoggerInternal(YogaLogLevel level, string message)
+        {
+            if (Logger != null)
+            {
+                Logger(level, message);
+            }
+
+            if (level == YogaLogLevel.Error)
+            {
+                throw new InvalidOperationException(message);
+            }
+        }
+
     }
 }