57 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2019 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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| 
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| using SafeExamBrowser.Contracts.Core.OperationModel;
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| using SafeExamBrowser.Contracts.Core.OperationModel.Events;
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| using SafeExamBrowser.Contracts.I18n;
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| using SafeExamBrowser.Contracts.Logging;
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| using SafeExamBrowser.Contracts.Monitoring;
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| using SafeExamBrowser.Contracts.WindowsApi;
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| 
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| namespace SafeExamBrowser.Client.Operations
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| {
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| 	internal class MouseInterceptorOperation : IOperation
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| 	{
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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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| 
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| 		public event ActionRequiredEventHandler ActionRequired { add { } remove { } }
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| 		public event StatusChangedEventHandler StatusChanged;
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| 
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| 		public MouseInterceptorOperation(
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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.logger = logger;
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| 			this.mouseInterceptor = mouseInterceptor;
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| 			this.nativeMethods = nativeMethods;
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| 		}
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| 
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| 		public OperationResult Perform()
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| 		{
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| 			logger.Info("Starting mouse interception...");
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| 			StatusChanged?.Invoke(TextKey.OperationStatus_StartMouseInterception);
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| 
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| 			nativeMethods.RegisterMouseHook(mouseInterceptor);
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| 
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| 			return OperationResult.Success;
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| 		}
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| 
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| 		public OperationResult Revert()
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| 		{
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| 			logger.Info("Stopping mouse interception...");
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| 			StatusChanged?.Invoke(TextKey.OperationStatus_StopMouseInterception);
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| 
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| 			nativeMethods.DeregisterMouseHook(mouseInterceptor);
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| 
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| 			return OperationResult.Success;
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| 		}
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| 	}
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| }
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