54 lines
1.6 KiB
C#
54 lines
1.6 KiB
C#
/*
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* Copyright (c) 2017 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.Contracts.Behaviour;
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using SafeExamBrowser.Contracts.Logging;
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using SafeExamBrowser.Contracts.Monitoring;
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using SafeExamBrowser.Contracts.UserInterface;
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using SafeExamBrowser.Contracts.WindowsApi;
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namespace SafeExamBrowser.Core.Behaviour.Operations
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{
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public class DeviceInterceptionOperation : IOperation
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{
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private IKeyboardInterceptor keyboardInterceptor;
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private ILogger logger;
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private IMouseInterceptor mouseInterceptor;
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private INativeMethods nativeMethods;
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public ISplashScreen SplashScreen { private get; set; }
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public DeviceInterceptionOperation(
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IKeyboardInterceptor keyboardInterceptor,
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ILogger logger,
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IMouseInterceptor mouseInterceptor,
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INativeMethods nativeMethods)
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{
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this.keyboardInterceptor = keyboardInterceptor;
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this.logger = logger;
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this.mouseInterceptor = mouseInterceptor;
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this.nativeMethods = nativeMethods;
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}
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public void Perform()
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{
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logger.Info("Starting keyboard and mouse interception...");
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nativeMethods.RegisterKeyboardHook(keyboardInterceptor);
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nativeMethods.RegisterMouseHook(mouseInterceptor);
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}
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public void Revert()
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{
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logger.Info("Stopping keyboard and mouse interception...");
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nativeMethods.DeregisterMouseHook(mouseInterceptor);
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nativeMethods.DeregisterKeyboardHook(keyboardInterceptor);
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}
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}
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}
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