Restore SEBPatch

SafeExamBrowser.WindowsApi/ExplorerShell.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.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.WindowsApi.Contracts;
+using SafeExamBrowser.WindowsApi.Types;
+
+namespace SafeExamBrowser.WindowsApi
+{
+	public class ExplorerShell : IExplorerShell
+	{
+		private ILogger logger;
+		private INativeMethods nativeMethods;
+		private IList<Window> minimizedWindows = new List<Window>();
+
+		public ExplorerShell(ILogger logger, INativeMethods nativeMethods)
+		{
+			this.logger = logger;
+			this.nativeMethods = nativeMethods;
+			this.minimizedWindows = new List<Window>();
+		}
+
+		public void HideAllWindows()
+		{
+			logger.Info("Searching for windows to be minimized...");
+			logger.Info("Minimizing all open windows...");
+			logger.Info("Open windows successfully minimized.");
+		}
+
+		public void RestoreAllWindows()
+		{
+			logger.Info("Restoring all minimized windows...");
+			logger.Info("Minimized windows successfully restored.");
+		}
+
+		public void Start()
+		{
+
+		}
+
+		public void Terminate()
+		{
+			
+		}
+
+		private void KillExplorerShell(int processId)
+		{
+			var process = new System.Diagnostics.Process();
+			var taskkillPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.System), "taskkill.exe");
+
+			logger.Warn("Failed to gracefully terminate explorer shell, attempting forceful termination...");
+
+			process.StartInfo.Arguments = $"/F /PID {processId}";
+			process.StartInfo.CreateNoWindow = true;
+			process.StartInfo.FileName = taskkillPath;
+			process.StartInfo.UseShellExecute = false;
+			process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
+			process.StartInfo.WorkingDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Windows);
+			process.Start();
+			process.WaitForExit();
+		}
+	}
+}