src/Tizen.NUI/src/public/Xaml/MarkupExtensions/TypeExtension.cs

   1 using System;
   2 using Tizen.NUI.Binding;
   3
   4 namespace Tizen.NUI.Xaml
   5 {
   6     [ContentProperty(nameof(TypeName))]
   7     [ProvideCompiled("Tizen.NUI.Xaml.Build.Tasks.TypeExtension")]
   8     internal class TypeExtension : IMarkupExtension<Type>
   9     {
  10         public string TypeName { get; set; }
  11
  12         public Type ProvideValue(IServiceProvider serviceProvider)
  13         {
  14             if (string.IsNullOrEmpty(TypeName))
  15                 throw new InvalidOperationException("TypeName isn't set.");
  16             if (serviceProvider == null)
  17                 throw new ArgumentNullException(nameof(serviceProvider));
  18             var typeResolver = serviceProvider.GetService(typeof (IXamlTypeResolver)) as IXamlTypeResolver;
  19             if (typeResolver == null)
  20                 throw new ArgumentException("No IXamlTypeResolver in IServiceProvider");
  21
  22             return typeResolver.Resolve(TypeName, serviceProvider);
  23         }
  24
  25         object IMarkupExtension.ProvideValue(IServiceProvider serviceProvider)
  26         {
  27             return (this as IMarkupExtension<Type>).ProvideValue(serviceProvider);
  28         }
  29     }
  30 }