Files
SEBPatch/SafeExamBrowser.Client/Responsibilities/ProctoringResponsibility.cs

92 lines
2.8 KiB
C#

/*
* Copyright (c) 2025 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Threading.Tasks;
using SafeExamBrowser.I18n.Contracts;
using SafeExamBrowser.Logging.Contracts;
using SafeExamBrowser.Proctoring.Contracts;
using SafeExamBrowser.Proctoring.Contracts.Events;
using SafeExamBrowser.UserInterface.Contracts;
using SafeExamBrowser.UserInterface.Contracts.MessageBox;
using SafeExamBrowser.UserInterface.Contracts.Proctoring;
using SafeExamBrowser.UserInterface.Contracts.Proctoring.Events;
namespace SafeExamBrowser.Client.Responsibilities
{
internal class ProctoringResponsibility : ClientResponsibility
{
private readonly IMessageBox messageBox;
private readonly IUserInterfaceFactory uiFactory;
private bool cancel;
private IProctoringController Proctoring => Context.Proctoring;
public ProctoringResponsibility(
ClientContext context,
ILogger logger,
IMessageBox messageBox,
IUserInterfaceFactory uiFactory) : base(context, logger)
{
this.messageBox = messageBox;
this.uiFactory = uiFactory;
}
public override void Assume(ClientTask task)
{
if (task == ClientTask.PrepareShutdown_Wave1)
{
FinalizeProctoring();
}
}
private void FinalizeProctoring()
{
if (Proctoring != default && Proctoring.HasRemainingWork())
{
var dialog = uiFactory.CreateProctoringFinalizationDialog(!Context.QuitPasswordValidated);
var handler = new RemainingWorkUpdatedEventHandler((args) => Proctoring_RemainingWorkUpdated(dialog, args));
dialog.CancellationRequested += new CancellationRequestedEventHandler(() => Dialog_CancellationRequested(dialog));
Task.Run(() =>
{
Proctoring.RemainingWorkUpdated += handler;
Proctoring.ExecuteRemainingWork();
Proctoring.RemainingWorkUpdated -= handler;
});
dialog.Show();
}
}
private void Dialog_CancellationRequested(IProctoringFinalizationDialog dialog)
{
var alreadyValidated = Context.QuitPasswordValidated;
if (alreadyValidated || IsValidQuitPassword(dialog.QuitPassword))
{
cancel = true;
Logger.Info($"The user {(alreadyValidated ? "already " : "")}entered the correct quit password, cancelling remaining work...");
}
else
{
cancel = false;
Logger.Info("The user entered the wrong quit password, remaining work will continue.");
messageBox.Show(TextKey.MessageBox_InvalidQuitPassword, TextKey.MessageBox_InvalidQuitPasswordTitle, icon: MessageBoxIcon.Warning, parent: dialog);
}
}
private void Proctoring_RemainingWorkUpdated(IProctoringFinalizationDialog dialog, RemainingWorkUpdatedEventArgs args)
{
dialog.Update(args);
args.CancellationRequested = cancel;
}
}
}