89 lines
3 KiB
C#
89 lines
3 KiB
C#
/*
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* Copyright (c) 2022 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.Notifications;
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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.Proctoring.Contracts;
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using SafeExamBrowser.Settings;
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using SafeExamBrowser.UserInterface.Contracts;
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using SafeExamBrowser.UserInterface.Contracts.Shell;
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namespace SafeExamBrowser.Client.Operations
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{
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internal class ProctoringOperation : ClientOperation
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{
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private readonly IActionCenter actionCenter;
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private readonly IProctoringController controller;
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private readonly ILogger logger;
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private readonly INotification notification;
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private readonly ITaskbar taskbar;
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private readonly IUserInterfaceFactory uiFactory;
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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 ProctoringOperation(
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IActionCenter actionCenter,
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ClientContext context,
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IProctoringController controller,
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ILogger logger,
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INotification notification,
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ITaskbar taskbar,
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IUserInterfaceFactory uiFactory) : base(context)
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{
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this.actionCenter = actionCenter;
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this.controller = controller;
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this.logger = logger;
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this.notification = notification;
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this.taskbar = taskbar;
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this.uiFactory = uiFactory;
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}
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public override OperationResult Perform()
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{
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if (Context.Settings.Proctoring.Enabled)
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{
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logger.Info("Initializing proctoring...");
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StatusChanged?.Invoke(TextKey.OperationStatus_InitializeProctoring);
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controller.Initialize(Context.Settings.Proctoring);
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actionCenter.AddNotificationControl(uiFactory.CreateNotificationControl(notification, Location.ActionCenter));
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if (Context.Settings.SessionMode == SessionMode.Server && Context.Settings.Proctoring.ShowRaiseHandNotification)
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{
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actionCenter.AddNotificationControl(uiFactory.CreateRaiseHandControl(controller, Location.ActionCenter, Context.Settings.Proctoring));
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taskbar.AddNotificationControl(uiFactory.CreateRaiseHandControl(controller, Location.Taskbar, Context.Settings.Proctoring));
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}
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if (Context.Settings.Proctoring.ShowTaskbarNotification)
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{
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taskbar.AddNotificationControl(uiFactory.CreateNotificationControl(notification, Location.Taskbar));
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}
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}
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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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if (Context.Settings.Proctoring.Enabled)
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{
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logger.Info("Terminating proctoring...");
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StatusChanged?.Invoke(TextKey.OperationStatus_TerminateProctoring);
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controller.Terminate();
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notification.Terminate();
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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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