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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
namespace System.Runtime.InteropServices.WindowsRuntime
{
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics.Contracts;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security;
internal static class WindowsRuntimeMetadata
{
private static EventHandler<DesignerNamespaceResolveEventArgs> DesignerNamespaceResolve;
internal static string[] OnDesignerNamespaceResolveEvent(AppDomain appDomain, string namespaceName)
{
EventHandler<DesignerNamespaceResolveEventArgs> eventHandler = DesignerNamespaceResolve;
if (eventHandler != null)
{
Delegate[] ds = eventHandler.GetInvocationList();
int len = ds.Length;
for (int i = 0; i < len; i++)
{
DesignerNamespaceResolveEventArgs eventArgs = new DesignerNamespaceResolveEventArgs(namespaceName);
((EventHandler<DesignerNamespaceResolveEventArgs>)ds[i])(appDomain, eventArgs);
Collection<string> assemblyFilesCollection = eventArgs.ResolvedAssemblyFiles;
if (assemblyFilesCollection.Count > 0)
{
string[] retAssemblyFiles = new string[assemblyFilesCollection.Count];
int retIndex = 0;
foreach (string assemblyFile in assemblyFilesCollection)
{
if (String.IsNullOrEmpty(assemblyFile))
{ // DesignerNamespaceResolve event returned null or empty file name - that is not allowed
throw new ArgumentException(Environment.GetResourceString("Arg_EmptyOrNullString"), "DesignerNamespaceResolveEventArgs.ResolvedAssemblyFiles");
}
retAssemblyFiles[retIndex] = assemblyFile;
retIndex++;
}
return retAssemblyFiles;
}
}
}
return null;
}
}
#if FEATURE_REFLECTION_ONLY_LOAD
public class NamespaceResolveEventArgs : EventArgs
{
private string _NamespaceName;
private Assembly _RequestingAssembly;
private Collection<Assembly> _ResolvedAssemblies;
public string NamespaceName
{
get
{
return _NamespaceName;
}
}
public Assembly RequestingAssembly
{
get
{
return _RequestingAssembly;
}
}
public Collection<Assembly> ResolvedAssemblies
{
get
{
return _ResolvedAssemblies;
}
}
public NamespaceResolveEventArgs(string namespaceName, Assembly requestingAssembly)
{
_NamespaceName = namespaceName;
_RequestingAssembly = requestingAssembly;
_ResolvedAssemblies = new Collection<Assembly>();
}
}
#endif //FEATURE_REFLECTION_ONLY
internal class DesignerNamespaceResolveEventArgs : EventArgs
{
private string _NamespaceName;
private Collection<string> _ResolvedAssemblyFiles;
public Collection<string> ResolvedAssemblyFiles
{
get
{
return _ResolvedAssemblyFiles;
}
}
public DesignerNamespaceResolveEventArgs(string namespaceName)
{
_NamespaceName = namespaceName;
_ResolvedAssemblyFiles = new Collection<string>();
}
}
}
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