blob: ae6b8f37b2663f0c5f50f3246fc84874731c12ca (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
using System;
namespace Xamarin.Forms.Xaml
{
[ContentProperty(nameof(TypeName))]
[ProvideCompiled("Xamarin.Forms.Build.Tasks.TypeExtension")]
public class TypeExtension : IMarkupExtension<Type>
{
public string TypeName { get; set; }
public Type ProvideValue(IServiceProvider serviceProvider)
{
if (string.IsNullOrEmpty(TypeName))
throw new InvalidOperationException("TypeName isn't set.");
if (serviceProvider == null)
throw new ArgumentNullException(nameof(serviceProvider));
var typeResolver = serviceProvider.GetService(typeof (IXamlTypeResolver)) as IXamlTypeResolver;
if (typeResolver == null)
throw new ArgumentException("No IXamlTypeResolver in IServiceProvider");
return typeResolver.Resolve(TypeName, serviceProvider);
}
object IMarkupExtension.ProvideValue(IServiceProvider serviceProvider)
{
return (this as IMarkupExtension<Type>).ProvideValue(serviceProvider);
}
}
}
|