- moved all files to a "source" subdirectory to tidy up the GitHub project page

- started to write a readme.md
2026-02-21 13:56:46 +01:00 · 2015-06-04 13:31:43 +02:00
parent 664235b1ed
commit d4318b13a5
397 changed files with 602 additions and 0 deletions
--- a/source/ChanSort/UpdateCheck.cs
+++ b/source/ChanSort/UpdateCheck.cs
@@ -0,0 +1,68 @@
+using System.Net.Sockets;
+using System.Text;
+using System.Threading;
+using ChanSort.Ui.Properties;
+using DevExpress.XtraEditors;
+
+namespace ChanSort.Ui
+{
+  class UpdateCheck
+  {
+    private const string SearchString = "ChanSort_";
+
+    public static void CheckForNewVersion()
+    {
+      var check = new UpdateCheck();
+      Thread thread = new Thread(check.Check);
+      thread.Start();
+    }
+
+    private void Check()
+    {
+      try
+      {
+        var newVersion = this.GetLatestVersion();
+        if (newVersion.CompareTo(MainForm.AppVersion.TrimStart('v')) > 0)
+          this.NotifyAboutNewVersion(newVersion);
+      }
+      catch { }
+    }
+
+    private string GetLatestVersion()
+    {
+      // NOTE: tried using WebRequest class, but that causes massive timeout problems after program start (DLL loading/init?)
+      byte[] buffer = new byte[100000];
+      int len;
+      using (Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
+      {
+        sock.ReceiveTimeout = 5000;
+        sock.Connect("sourceforge.net", 80);
+        var request = Encoding.UTF8.GetBytes("GET /projects/chansort/ HTTP/1.1\r\nHost: sourceforge.net\r\n\r\n");
+        sock.Send(request);
+        len = sock.Receive(buffer);
+      }
+
+      var response = Encoding.ASCII.GetString(buffer, 0, len);
+      int start = response.IndexOf(SearchString);
+      if (start >= 0)
+      {
+        int end = response.IndexOf(".zip", start);
+        if (end == start + SearchString.Length + 10)
+          return response.Substring(start + SearchString.Length, 10);
+      }
+      return string.Empty;
+    }
+
+    private void NotifyAboutNewVersion(string newVersion)
+    {
+      if (XtraMessageBox.Show(
+        string.Format(Resources.UpdateCheck_NotifyAboutNewVersion_Message, newVersion),
+        Resources.UpdateCheck_NotifyAboutNewVersion_Caption,
+        System.Windows.Forms.MessageBoxButtons.YesNo,
+        System.Windows.Forms.MessageBoxIcon.Question,
+        System.Windows.Forms.MessageBoxDefaultButton.Button1) != System.Windows.Forms.DialogResult.Yes)
+        return;
+      BrowserHelper.OpenUrl("http://sourceforge.net/p/chansort/files/");
+    }
+  }
+}