87 lines
2.8 KiB
C#
87 lines
2.8 KiB
C#
/*
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* Copyright (c) 2024 ETH Zürich, IT Services
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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 System;
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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.Display;
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using SafeExamBrowser.Runtime.Operations.Events;
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using SafeExamBrowser.UserInterface.Contracts.MessageBox;
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namespace SafeExamBrowser.Runtime.Operations
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{
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internal class DisplayMonitorOperation : SessionOperation
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{
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private readonly IDisplayMonitor displayMonitor;
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private readonly ILogger logger;
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private readonly IText text;
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public override event ActionRequiredEventHandler ActionRequired;
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public override event StatusChangedEventHandler StatusChanged;
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public DisplayMonitorOperation(IDisplayMonitor displayMonitor, ILogger logger, SessionContext context, IText text) : base(context)
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{
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this.displayMonitor = displayMonitor;
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this.logger = logger;
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this.text = text;
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}
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public override OperationResult Perform()
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{
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return CheckDisplayConfiguration();
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}
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public override OperationResult Repeat()
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{
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return CheckDisplayConfiguration();
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}
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public override OperationResult Revert()
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{
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return OperationResult.Success;
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}
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private OperationResult CheckDisplayConfiguration()
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{
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logger.Info("Validating display configuration...");
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StatusChanged?.Invoke(TextKey.OperationStatus_ValidateDisplayConfiguration);
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var result = OperationResult.Failed;
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var validation = displayMonitor.ValidateConfiguration(Context.Next.Settings.Display);
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if (validation.IsAllowed)
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{
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logger.Info("Display configuration is allowed.");
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result = OperationResult.Success;
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}
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else
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{
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var args = new MessageEventArgs
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{
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Action = MessageBoxAction.Ok,
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Icon = MessageBoxIcon.Error,
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Message = TextKey.MessageBox_DisplayConfigurationError,
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Title = TextKey.MessageBox_DisplayConfigurationErrorTitle
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};
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logger.Error("Display configuration is not allowed!");
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args.MessagePlaceholders.Add("%%_ALLOWED_COUNT_%%", Convert.ToString(Context.Next.Settings.Display.AllowedDisplays));
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args.MessagePlaceholders.Add("%%_TYPE_%%", Context.Next.Settings.Display.InternalDisplayOnly ? text.Get(TextKey.MessageBox_DisplayConfigurationInternal) : text.Get(TextKey.MessageBox_DisplayConfigurationInternalOrExternal));
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args.MessagePlaceholders.Add("%%_EXTERNAL_COUNT_%%", Convert.ToString(validation.ExternalDisplays));
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args.MessagePlaceholders.Add("%%_INTERNAL_COUNT_%%", Convert.ToString(validation.InternalDisplays));
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ActionRequired?.Invoke(args);
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}
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return result;
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}
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}
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}
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