/* * 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 minimizedWindows = new List(); public ExplorerShell(ILogger logger, INativeMethods nativeMethods) { this.logger = logger; this.nativeMethods = nativeMethods; this.minimizedWindows = new List(); } 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(); } } }