Add project

WebBrowser/DownloadHandler.cs

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+// Copyright © 2013 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.
+
+using System;
+using System.Threading.Tasks;
+using WebBrowser;
+using CefSharp;
+using System.IO;
+using System.Threading;
+using System.Linq.Expressions;
+using System.ComponentModel;
+
+namespace DiamondCreeperBrowser
+{
+    public class DownloadHandler : IDownloadHandler
+    {
+        public event EventHandler<DownloadItem> OnBeforeDownloadFired;
+
+        public event EventHandler<DownloadItem> OnDownloadUpdatedFired;
+
+        public frmBrowser frmref;
+        public DownloadHandler(frmBrowser frm)
+        {
+            frmref = frm;
+        }
+
+        public DownloadProgress downloadProgress = new DownloadProgress();
+        public DownloadItem downloadItem;
+        public void OnBeforeDownload(IWebBrowser chromiumWebBrowser, IBrowser browser, DownloadItem downloadItem, IBeforeDownloadCallback callback)
+        {
+            OnBeforeDownloadFired?.Invoke(this, downloadItem);
+
+            this.downloadItem = downloadItem;
+
+            try
+            {
+                frmref.Invoke((Action)delegate
+                {
+                    downloadProgress.Show();
+                    downloadProgress.FormClosing += DownloadProgress_FormClosing;
+                });
+            }
+            catch (ObjectDisposedException){};
+            
+
+            if (!callback.IsDisposed)
+            {
+                using (callback)
+                {
+                    callback.Continue(downloadItem.SuggestedFileName, showDialog: true);
+                }
+            }
+        }
+
+        private void DownloadProgress_FormClosing(object sender, System.Windows.Forms.FormClosingEventArgs e)
+        {
+            downloadItem.IsCancelled = true;
+        }
+
+        public Timer fivesecondtimer;
+        public void OnDownloadUpdated(IWebBrowser chromiumWebBrowser, IBrowser browser, DownloadItem downloadItem, IDownloadItemCallback callback)
+        {
+            OnDownloadUpdatedFired?.Invoke(this, downloadItem);
+
+
+            if (downloadItem.IsComplete)
+            {
+                fivesecondtimer = new Timer(new TimerCallback(tcallback), null, 1000 * 5, 1000 * 5);
+            }
+
+
+            frmref.Invoke((Action)delegate {
+                downloadProgress.ProgressBar1.Value = downloadItem.PercentComplete;
+                downloadProgress.ProgressPrecentage.Text = downloadItem.PercentComplete.ToString() + "%  " + (downloadItem.ReceivedBytes / 0x100000).ToString() + "MB / " + (downloadItem.TotalBytes / 0x100000).ToString() + "MB";
+                downloadProgress.ProgressFileName.Text = Path.GetFileName(downloadItem.FullPath);
+                downloadProgress.Update();
+                try { } catch (InvalidAsynchronousStateException){};
+            });
+        }
+
+        private void tcallback(object state)
+        { 
+           try {
+                frmref.Invoke((Action)delegate
+                {
+                    downloadProgress.Close();
+                });
+            }
+            catch (InvalidOperationException){};
+            
+        }
+    }
+}