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using NetSparkleUpdater.Enums;

using NetSparkleUpdater.Events;

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace NetSparkleUpdater

{

    /// <summary>

    /// The operation has started

    /// </summary>

    /// <param name="sender">the sender</param>

    public delegate void LoopStartedOperation(object sender);

    /// <summary>

    /// The operation has ended

    /// </summary>

    /// <param name="sender">the sender</param>

    /// <param name="updateRequired"><c>true</c> if an update is required</param>

    public delegate void LoopFinishedOperation(object sender, bool updateRequired);

    /// <summary>

    /// This delegate will be used when an update was detected to allow library 

    /// consumer to add own user interface capabilities.    

    /// </summary>

    public delegate void UpdateDetected(object sender, UpdateDetectedEventArgs e);

    /// <summary>

    /// Update check has started.

    /// </summary>

    /// <param name="sender">Sparkle updater that is checking for an update.</param>

    public delegate void UpdateCheckStarted(object sender);

    /// <summary>

    /// Update check has finished.

    /// </summary>

    /// <param name="sender">Sparkle updater that finished checking for an update.</param>

    /// <param name="status">Update status</param>

    public delegate void UpdateCheckFinished(object sender, UpdateStatus status);

    /// <summary>

    /// An asynchronous cancel event handler.

    /// </summary>

    /// <param name="sender">The source of the event.</param>

    /// <param name="e">A System.ComponentModel.CancelEventArgs that contains the event data.</param>

    public delegate Task CancelEventHandlerAsync(object sender, CancelEventArgs e);

    /// <summary>

    /// Delegate for custom application shutdown logic

    /// </summary>

    public delegate void CloseApplication();

    /// <summary>

    /// Async version of CloseApplication().

    /// Delegate for custom application shutdown logic

    /// </summary>

    public delegate Task CloseApplicationAsync();

    /// <summary>

    /// A delegate for download events (start, canceled).

    /// </summary>

    public delegate void DownloadEvent(AppCastItem item, string path);

    /// <summary>

    /// A delegate for download progress events (TODO: docs update)

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="args"></param>

    public delegate void DownloadProgressEvent(object sender, ItemDownloadProgressEventArgs args);

    /// <summary>

    /// A delegate for download progress events for a given item (TODO: docs update)

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="item"></param>

    /// <param name="args"></param>

    public delegate void ItemDownloadProgressEvent(object sender, AppCastItem item, ItemDownloadProgressEventArgs args);

    /// <summary>

    /// A handler called when the user responsed to an available update

    /// </summary>

    /// <param name="sender">The source of the event.</param>

    /// <param name="e">An UpdateResponse object that contains the event data.</param>

    public delegate void UserRespondedToUpdate(object sender, UpdateResponseEventArgs e);

    /// <summary>

    /// A delegate for a download error

    /// </summary>

    public delegate void DownloadErrorEvent(AppCastItem item, string path, Exception exception);

}