SEBPatch/SafeExamBrowser.Monitoring/System/Components/SystemEvents.cs

97 lines
2.9 KiB
C#

/*
* Copyright (c) 2024 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;
using System.Threading.Tasks;
using Microsoft.Win32;
using SafeExamBrowser.Logging.Contracts;
using SafeExamBrowser.Monitoring.Contracts.System.Events;
namespace SafeExamBrowser.Monitoring.System.Components
{
internal class SystemEvents
{
private readonly ILogger logger;
internal event SessionChangedEventHandler SessionChanged;
internal SystemEvents(ILogger logger)
{
this.logger = logger;
}
internal void StartMonitoring()
{
Microsoft.Win32.SystemEvents.EventsThreadShutdown += SystemEvents_EventsThreadShutdown;
Microsoft.Win32.SystemEvents.InstalledFontsChanged += SystemEvents_InstalledFontsChanged;
Microsoft.Win32.SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged;
Microsoft.Win32.SystemEvents.SessionEnded += SystemEvents_SessionEnded;
Microsoft.Win32.SystemEvents.SessionEnding += SystemEvents_SessionEnding;
Microsoft.Win32.SystemEvents.SessionSwitch += SystemEvents_SessionChanged;
Microsoft.Win32.SystemEvents.TimeChanged += SystemEvents_TimeChanged;
Microsoft.Win32.SystemEvents.UserPreferenceChanged += SystemEvents_UserPreferenceChanged;
logger.Info("Started monitoring system events.");
}
internal void StopMonitoring()
{
Microsoft.Win32.SystemEvents.EventsThreadShutdown -= SystemEvents_EventsThreadShutdown;
Microsoft.Win32.SystemEvents.InstalledFontsChanged -= SystemEvents_InstalledFontsChanged;
Microsoft.Win32.SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
Microsoft.Win32.SystemEvents.SessionEnded -= SystemEvents_SessionEnded;
Microsoft.Win32.SystemEvents.SessionEnding -= SystemEvents_SessionEnding;
Microsoft.Win32.SystemEvents.SessionSwitch -= SystemEvents_SessionChanged;
Microsoft.Win32.SystemEvents.TimeChanged -= SystemEvents_TimeChanged;
Microsoft.Win32.SystemEvents.UserPreferenceChanged -= SystemEvents_UserPreferenceChanged;
logger.Info("Stopped monitoring system events.");
}
private void SystemEvents_EventsThreadShutdown(object sender, EventArgs e)
{
}
private void SystemEvents_InstalledFontsChanged(object sender, EventArgs e)
{
}
private void SystemEvents_PowerModeChanged(object sender, PowerModeChangedEventArgs e)
{
}
private void SystemEvents_SessionEnded(object sender, SessionEndedEventArgs e)
{
}
private void SystemEvents_SessionEnding(object sender, SessionEndingEventArgs e)
{
}
private void SystemEvents_SessionChanged(object sender, SessionSwitchEventArgs e)
{
}
private void SystemEvents_TimeChanged(object sender, EventArgs e)
{
}
private void SystemEvents_UserPreferenceChanged(object sender, UserPreferenceChangedEventArgs e)
{
}
}
}