using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.PPC.UI.Notifications
{
    /// <summary>
    /// Represents a pending notification item.
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <typeparam name="TResult">The type of the result.</typeparam>
    public class PendingNotification<T, TResult>
    {
        /// <summary>
        /// Gets or sets the item.
        /// </summary>
        public T Item { get; set; }

        /// <summary>
        /// Gets or sets the completion source.
        /// </summary>
        public TaskCompletionSource<TResult> CompletionSource { get; set; }

        /// <summary>
        /// Initializes a new instance of the <see cref="PendingNotification{T, TResult}"/> class.
        /// </summary>
        public PendingNotification()
        {

        }

        /// <summary>
        /// Initializes a new instance of the <see cref="PendingNotification{T, TResult}"/> class.
        /// </summary>
        /// <param name="item">The item.</param>
        /// <param name="completionSource">The completion source.</param>
        public PendingNotification(T item, TaskCompletionSource<TResult> completionSource) : this()
        {
            Item = item;
            CompletionSource = completionSource;
        }
    }
}