seb-win-refactoring/SafeExamBrowser.Client/Operations/WindowMonitorOperation.cs

60 lines
1.7 KiB
C#

/*
* Copyright (c) 2019 ETH Zürich, Educational Development and Technology (LET)
*
* 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 SafeExamBrowser.Contracts.Configuration.Settings;
using SafeExamBrowser.Contracts.Core.OperationModel;
using SafeExamBrowser.Contracts.Core.OperationModel.Events;
using SafeExamBrowser.Contracts.I18n;
using SafeExamBrowser.Contracts.Logging;
using SafeExamBrowser.Contracts.Monitoring;
namespace SafeExamBrowser.Client.Operations
{
internal class WindowMonitorOperation : IOperation
{
private KioskMode kioskMode;
private ILogger logger;
private IWindowMonitor windowMonitor;
public event ActionRequiredEventHandler ActionRequired { add { } remove { } }
public event StatusChangedEventHandler StatusChanged;
public WindowMonitorOperation(KioskMode kioskMode, ILogger logger, IWindowMonitor windowMonitor)
{
this.kioskMode = kioskMode;
this.logger = logger;
this.windowMonitor = windowMonitor;
}
public OperationResult Perform()
{
logger.Info("Initializing window monitoring...");
StatusChanged?.Invoke(TextKey.OperationStatus_InitializeWindowMonitoring);
if (kioskMode != KioskMode.None)
{
windowMonitor.StartMonitoringWindows();
}
return OperationResult.Success;
}
public OperationResult Revert()
{
logger.Info("Stopping window monitoring...");
StatusChanged?.Invoke(TextKey.OperationStatus_StopWindowMonitoring);
if (kioskMode != KioskMode.None)
{
windowMonitor.StopMonitoringWindows();
}
return OperationResult.Success;
}
}
}