MonoEvent.cs :  » 2.6.4-mono-.net-core » System.Reflection » System » Reflection » C# / CSharp Open Source

//
// System.Reflection/MonoEvent.cs
//
// Author:
//   Paolo Molaro (lupus@ximian.com)
//
// (C) 2001 Ximian, Inc.  http://www.ximian.com
//

//
// Copyright (C) 2004, 2009 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Collections.Generic;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;

namespace System.Reflection{

  internal struct MonoEventInfo {
    public Type declaring_type;
    public Type reflected_type;
    public String name;
    public MethodInfo add_method;
    public MethodInfo remove_method;
    public MethodInfo raise_method;
    public EventAttributes attrs;
    public MethodInfo[] other_methods;
    
    [MethodImplAttribute(MethodImplOptions.InternalCall)]
    static extern void get_event_info (MonoEvent ev, out MonoEventInfo info);

    internal static MonoEventInfo GetEventInfo (MonoEvent ev)
    {
      MonoEventInfo mei;
      MonoEventInfo.get_event_info (ev, out mei);
      return mei;
    }
  }

  [Serializable]
  internal sealed class MonoEvent: EventInfo, ISerializable
  {
#pragma warning disable 169
    IntPtr klass;
    IntPtr handle;
#pragma warning restore 169

    public override EventAttributes Attributes {
      get {
        return MonoEventInfo.GetEventInfo (this).attrs;
      }
    }

    public override MethodInfo GetAddMethod (bool nonPublic)
    {
      MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
      if (nonPublic || (info.add_method != null && info.add_method.IsPublic))
        return info.add_method;
      return null;
    }

    public override MethodInfo GetRaiseMethod (bool nonPublic)
    {
      MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
      if (nonPublic || (info.raise_method != null && info.raise_method.IsPublic))
        return info.raise_method;
      return null;
    }

    public override MethodInfo GetRemoveMethod (bool nonPublic)
    {
      MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
      if (nonPublic || (info.remove_method != null && info.remove_method.IsPublic))
        return info.remove_method;
      return null;
    }

    public override MethodInfo[] GetOtherMethods (bool nonPublic)
    {
      MonoEventInfo info = MonoEventInfo.GetEventInfo (this);
      if (nonPublic)
        return info.other_methods;
      int num_public = 0;
      foreach (MethodInfo m in info.other_methods) {
        if (m.IsPublic)
          num_public++;
      }
      if (num_public == info.other_methods.Length)
        return info.other_methods;
      MethodInfo[] res = new MethodInfo [num_public];
      num_public = 0;
      foreach (MethodInfo m in info.other_methods) {
        if (m.IsPublic)
          res [num_public++] = m;
      }
      return res;
    }

    public override Type DeclaringType {
      get {
        return MonoEventInfo.GetEventInfo (this).declaring_type;
      }
    }

    public override Type ReflectedType {
      get {
        return MonoEventInfo.GetEventInfo (this).reflected_type;
      }
    }

    public override string Name {
      get {
        return MonoEventInfo.GetEventInfo (this).name;
      }
    }

    public override string ToString ()
    {
      return EventHandlerType + " " + Name;
    }

    public override bool IsDefined (Type attributeType, bool inherit)
    {
      return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
    }

    public override object[] GetCustomAttributes( bool inherit)
    {
      return MonoCustomAttrs.GetCustomAttributes (this, inherit);
    }

    public override object[] GetCustomAttributes( Type attributeType, bool inherit)
    {
      return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
    }

    // ISerializable
    public void GetObjectData (SerializationInfo info, StreamingContext context) 
    {
      MemberInfoSerializationHolder.Serialize (info, Name, ReflectedType,
        ToString(), MemberTypes.Event);
    }

#if NET_4_0
    public override IList<CustomAttributeData> GetCustomAttributesData () {
      return CustomAttributeData.GetCustomAttributes (this);
    }
#endif
  }
}