1 files changed, 97 insertions, 0 deletions
diff --git a/win/CS/HandBrake.ApplicationServices/Services/UpdateService.cs b/win/CS/HandBrake.ApplicationServices/Services/UpdateService.cs
new file mode 100644
index 000000000..5e65021e5
--- /dev/null
+++ b/win/CS/HandBrake.ApplicationServices/Services/UpdateService.cs
@@ -0,0 +1,97 @@
+namespace HandBrake.ApplicationServices.Services
+{
+    using System;
+    using System.IO;
+    using System.Net;
+    using System.Threading;
+
+    using HandBrake.ApplicationServices.Model.General;
+    using HandBrake.ApplicationServices.Utilities;
+
+    /// <summary>
+    /// The Update Service
+    /// </summary>
+    public class UpdateService
+    {
+        /// <summary>
+        /// Begins checking for an update to HandBrake.
+        /// </summary>
+        /// <param name="callback">
+        /// The method that will be called when the check is finished.
+        /// </param>
+        /// <param name="debug">
+        /// Whether or not to execute this in debug mode.
+        /// </param>
+        /// <param name="url">
+        /// The url.
+        /// </param>
+        /// <param name="currentBuild">
+        /// The current Build.
+        /// </param>
+        /// <param name="skipBuild">
+        /// The skip Build.
+        /// </param>
+        /// <param name="currentVersion">
+        /// The current Version.
+        /// </param>
+        public static void BeginCheckForUpdates(AsyncCallback callback, bool debug, string url, int currentBuild, int skipBuild, string currentVersion)
+        {
+            ThreadPool.QueueUserWorkItem(delegate
+                {
+                    try
+                    {
+                        // Initialize variables
+                        WebRequest request = WebRequest.Create(url);
+                        WebResponse response = request.GetResponse();
+                        AppcastReader reader = new AppcastReader();
+
+                        // Get the data, convert it to a string, and parse it into the AppcastReader
+                        reader.GetUpdateInfo(new StreamReader(response.GetResponseStream()).ReadToEnd());
+
+                        // Further parse the information
+                        string build = reader.Build;
+
+                        int latest = int.Parse(build);
+                        int current = currentBuild;
+                        int skip = skipBuild;
+
+                        // If the user wanted to skip this version, don't report the update
+                        if (latest == skip)
+                        {
+                            UpdateCheckInformation info = new UpdateCheckInformation { NewVersionAvailable = false };
+                            callback(new UpdateCheckResult(debug, info));
+                            return;
+                        }
+
+                        UpdateCheckInformation info2 = new UpdateCheckInformation
+                            {
+                                NewVersionAvailable = latest > current,
+                                DescriptionUrl = reader.DescriptionUrl,
+                                DownloadFile = reader.DownloadFile,
+                                Build = reader.Build,
+                                Version = reader.Version,
+                            };
+                        callback(new UpdateCheckResult(debug, info2));
+                    }
+                    catch (Exception exc)
+                    {
+                        callback(new UpdateCheckResult(debug, new UpdateCheckInformation { Error = exc }));
+                    }
+                });
+        }
+
+        /// <summary>
+        /// End Check for Updates
+        /// </summary>
+        /// <param name="result">
+        /// The result.
+        /// </param>
+        /// <returns>
+        /// Update Check information
+        /// </returns>
+        public static UpdateCheckInformation EndCheckForUpdates(IAsyncResult result)
+        {
+            return ((UpdateCheckResult)result).Result;
+        }
+    }
+}