/* * 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 SafeExamBrowser.Core.Contracts.OperationModel; using SafeExamBrowser.Core.Contracts.OperationModel.Events; using SafeExamBrowser.I18n.Contracts; using SafeExamBrowser.Logging.Contracts; using SafeExamBrowser.Monitoring.Contracts.Keyboard; namespace SafeExamBrowser.Client.Operations { internal class KeyboardInterceptorOperation : ClientOperation { private IKeyboardInterceptor keyboardInterceptor; private ILogger logger; public override event ActionRequiredEventHandler ActionRequired { add { } remove { } } public override event StatusChangedEventHandler StatusChanged; public KeyboardInterceptorOperation(ClientContext context, IKeyboardInterceptor keyboardInterceptor, ILogger logger) : base(context) { this.keyboardInterceptor = keyboardInterceptor; this.logger = logger; } public override OperationResult Perform() { logger.Info("Starting keyboard interception..."); StatusChanged?.Invoke(TextKey.OperationStatus_StartKeyboardInterception); keyboardInterceptor.Start(); return OperationResult.Success; } public override OperationResult Revert() { logger.Info("Stopping keyboard interception..."); StatusChanged?.Invoke(TextKey.OperationStatus_StopKeyboardInterception); keyboardInterceptor.Stop(); return OperationResult.Success; } } }