Restore SEBPatch

SafeExamBrowser.WindowsApi/Desktops/DesktopMonitor.cs

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+/*
+ * Copyright (c) 2024 ETH Zürich, IT Services
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+using System;
+using System.Runtime.InteropServices;
+using System.Timers;
+using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.WindowsApi.Constants;
+using SafeExamBrowser.WindowsApi.Contracts;
+
+namespace SafeExamBrowser.WindowsApi.Desktops
+{
+	public class DesktopMonitor : IDesktopMonitor
+	{
+		private readonly ILogger logger;
+		private readonly Timer timer;
+
+		private IDesktop desktop;
+
+		public DesktopMonitor(ILogger logger)
+		{
+			this.logger = logger;
+			this.timer = new Timer(1000);
+		}
+
+		public void Start(IDesktop desktop)
+		{
+			this.desktop = desktop;
+
+			timer.AutoReset = false;
+			timer.Elapsed += Timer_Elapsed;
+			timer.Start();
+
+			logger.Info($"Started monitoring desktop {desktop}.");
+		}
+
+		public void Stop()
+		{
+			timer.Stop();
+			timer.Elapsed -= Timer_Elapsed;
+
+			logger.Info($"Stopped monitoring desktop {desktop}.");
+		}
+
+		private void Timer_Elapsed(object sender, ElapsedEventArgs e)
+		{
+			
+		}
+	}
+}