using CPF.Mac.ObjCRuntime;
using System;

namespace CPF.Mac.Foundation
{
	public class NSFileHandleReadEventArgs : NSNotificationEventArgs
	{
		private static IntPtr k0;

		public NSData AvailableData
		{
			get
			{
				if (k0 == IntPtr.Zero)
				{
					k0 = Dlfcn.GetIntPtr(Libraries.Foundation.Handle, "NSFileHandleNotificationDataItem");
				}
				IntPtr intPtr = base.Notification.UserInfo.LowlevelObjectForKey(k0);
				if (intPtr == IntPtr.Zero)
				{
					return null;
				}
				return (NSData)Runtime.GetNSObject(intPtr);
			}
		}

		public int UnixErrorCode
		{
			get
			{
				IntPtr intPtr;
				using (NSString nSString = new NSString("NSFileHandleError"))
				{
					intPtr = base.Notification.UserInfo.LowlevelObjectForKey(nSString.Handle);
				}
				if (intPtr == IntPtr.Zero)
				{
					return 0;
				}
				using (NSNumber nSNumber = new NSNumber(intPtr))
				{
					return nSNumber.Int32Value;
				}
			}
		}

		public NSFileHandleReadEventArgs(NSNotification notification)
			: base(notification)
		{
		}
	}
}