namespace Microsoft.Windows.Shell
{
    using System;
    using System.Collections.Generic;
    using System.Runtime.CompilerServices;

    public sealed class JumpItemsRejectedEventArgs : EventArgs
    {
        public JumpItemsRejectedEventArgs() : this(null, null)
        {
        }

        public JumpItemsRejectedEventArgs(IList<JumpItem> rejectedItems, IList<JumpItemRejectionReason> reasons)
        {
            if ((((rejectedItems == null) && (reasons != null)) || ((reasons == null) && (rejectedItems != null))) || (((rejectedItems != null) && (reasons != null)) && (rejectedItems.Count != reasons.Count)))
            {
                throw new ArgumentException("The counts of rejected items doesn't match the count of reasons.");
            }
            if (rejectedItems != null)
            {
                this.RejectedItems = new List<JumpItem>(rejectedItems).AsReadOnly();
                this.RejectionReasons = new List<JumpItemRejectionReason>(reasons).AsReadOnly();
            }
            else
            {
                this.RejectedItems = new List<JumpItem>().AsReadOnly();
                this.RejectionReasons = new List<JumpItemRejectionReason>().AsReadOnly();
            }
        }

        public IList<JumpItem> RejectedItems { get; private set; }

        public IList<JumpItemRejectionReason> RejectionReasons { get; private set; }
    }
}