况洋洋
2025-07-04 0d247bd2a17e0f99f3609774a1ce54ae00857997
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// Copyright © 2021 The CefSharp Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
 
namespace CefSharp.Fluent
{
    /// <summary>
    /// Fluent DownloadHandler Builder
    /// </summary>
    public class DownloadHandlerBuilder
    {
        private readonly DownloadHandler handler = new DownloadHandler();
 
        /// <summary>
        /// See <see cref="IDownloadHandler.CanDownload(IWebBrowser, IBrowser, string, string)"/> for details.
        /// </summary>
        /// <param name="action">Action to be executed when <see cref="IDownloadHandler.CanDownload(IWebBrowser, IBrowser, string, string)"/>
        /// is called</param>
        /// <returns>
        /// Fluent Builder, call <see cref="Build"/> to create
        /// a new <see cref="IDownloadHandler"/> instance
        /// </returns>
        public DownloadHandlerBuilder CanDownload(CanDownloadDelegate action)
        {
            handler.SetCanDownload(action);
 
            return this;
        }
 
        /// <summary>
        /// See <see cref="IDownloadHandler.OnBeforeDownload(IWebBrowser, IBrowser, DownloadItem, IBeforeDownloadCallback)"/> for details.
        /// </summary>
        /// <param name="action">Action to be executed when <see cref="IDownloadHandler.OnBeforeDownload(IWebBrowser, IBrowser, DownloadItem, IBeforeDownloadCallback)"/>
        /// is called</param>
        /// <returns>
        /// Fluent Builder, call <see cref="Build"/> to create
        /// a new <see cref="IDownloadHandler"/> instance
        /// </returns>
        public DownloadHandlerBuilder OnBeforeDownload(OnBeforeDownloadDelegate action)
        {
            handler.SetOnBeforeDownload(action);
 
            return this;
        }
 
        /// <summary>
        /// See <see cref="IDownloadHandler.OnDownloadUpdated(IWebBrowser, IBrowser, DownloadItem, IDownloadItemCallback)"/> for details.
        /// </summary>
        /// <param name="action">Action to be executed when <see cref="IDownloadHandler.OnDownloadUpdated(IWebBrowser, IBrowser, DownloadItem, IDownloadItemCallback)"/>
        /// is called</param>
        /// <returns>
        /// Fluent Builder, call <see cref="DownloadHandlerBuilder.Build"/> to create
        /// a new <see cref="IDownloadHandler"/> instance
        /// </returns>
        public DownloadHandlerBuilder OnDownloadUpdated(OnDownloadUpdatedDelegate action)
        {
            handler.SetOnDownloadUpdated(action);
 
            return this;
        }
 
        /// <summary>
        /// Create a <see cref="IDownloadHandler"/> instance
        /// </summary>
        /// <returns> a <see cref="IDownloadHandler"/> instance</returns>
        public IDownloadHandler Build()
        {
            return handler;
        }
    }
}