51 lines
1.6 KiB
C#
51 lines
1.6 KiB
C#
/*
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* Copyright (c) 2021 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using SafeExamBrowser.Core.Contracts.OperationModel;
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using SafeExamBrowser.Core.Contracts.OperationModel.Events;
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using SafeExamBrowser.I18n.Contracts;
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using SafeExamBrowser.Logging.Contracts;
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using SafeExamBrowser.Monitoring.Contracts.Keyboard;
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namespace SafeExamBrowser.Client.Operations
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{
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internal class KeyboardInterceptorOperation : ClientOperation
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{
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private IKeyboardInterceptor keyboardInterceptor;
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private ILogger logger;
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public override event ActionRequiredEventHandler ActionRequired { add { } remove { } }
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public override event StatusChangedEventHandler StatusChanged;
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public KeyboardInterceptorOperation(ClientContext context, IKeyboardInterceptor keyboardInterceptor, ILogger logger) : base(context)
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{
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this.keyboardInterceptor = keyboardInterceptor;
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this.logger = logger;
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}
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public override OperationResult Perform()
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{
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logger.Info("Starting keyboard interception...");
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StatusChanged?.Invoke(TextKey.OperationStatus_StartKeyboardInterception);
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keyboardInterceptor.Start();
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return OperationResult.Success;
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}
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public override OperationResult Revert()
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{
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logger.Info("Stopping keyboard interception...");
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StatusChanged?.Invoke(TextKey.OperationStatus_StopKeyboardInterception);
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keyboardInterceptor.Stop();
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return OperationResult.Success;
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}
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}
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}
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