110 lines
3.2 KiB
C#
110 lines
3.2 KiB
C#
/*
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* Copyright (c) 2019 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 System;
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using System.Linq;
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using System.Management;
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using System.Windows.Forms;
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using SafeExamBrowser.SystemComponents.Contracts;
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using BatteryChargeStatus = System.Windows.Forms.BatteryChargeStatus;
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using OperatingSystem = SafeExamBrowser.SystemComponents.Contracts.OperatingSystem;
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namespace SafeExamBrowser.SystemComponents
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{
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public class SystemInfo : ISystemInfo
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{
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public bool HasBattery { get; private set; }
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public string Manufacturer { get; private set; }
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public string Model { get; private set; }
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public string Name { get; private set; }
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public OperatingSystem OperatingSystem { get; private set; }
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public string OperatingSystemInfo
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{
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get { return $"{OperatingSystemName()}, {Environment.OSVersion.VersionString} ({Architecture()})"; }
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}
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public SystemInfo()
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{
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InitializeBattery();
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InitializeMachineInfo();
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InitializeOperatingSystem();
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}
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private void InitializeBattery()
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{
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var status = SystemInformation.PowerStatus.BatteryChargeStatus;
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HasBattery = !status.HasFlag(BatteryChargeStatus.NoSystemBattery) && !status.HasFlag(BatteryChargeStatus.Unknown);
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}
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private void InitializeMachineInfo()
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{
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using (var searcher = new ManagementObjectSearcher("Select * from Win32_ComputerSystem"))
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using (var results = searcher.Get())
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using (var system = results.Cast<ManagementObject>().FirstOrDefault())
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{
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Manufacturer = Convert.ToString(system["Manufacturer"]);
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Model = string.Join(" ", Convert.ToString(system["SystemFamily"]), Convert.ToString(system["Model"]));
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Name = Convert.ToString(system["Name"]);
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}
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}
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private void InitializeOperatingSystem()
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{
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// IMPORTANT:
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// In order to be able to retrieve the correct operating system version via System.Environment.OSVersion, the executing
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// assembly needs to define an application manifest where the supported Windows versions are specified!
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var major = Environment.OSVersion.Version.Major;
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var minor = Environment.OSVersion.Version.Minor;
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// See https://en.wikipedia.org/wiki/List_of_Microsoft_Windows_versions for mapping source...
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if (major == 6)
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{
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if (minor == 1)
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{
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OperatingSystem = OperatingSystem.Windows7;
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}
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else if (minor == 2)
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{
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OperatingSystem = OperatingSystem.Windows8;
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}
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else if (minor == 3)
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{
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OperatingSystem = OperatingSystem.Windows8_1;
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}
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}
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else if (major == 10)
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{
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OperatingSystem = OperatingSystem.Windows10;
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}
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}
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private string OperatingSystemName()
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{
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switch (OperatingSystem)
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{
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case OperatingSystem.Windows7:
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return "Windows 7";
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case OperatingSystem.Windows8:
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return "Windows 8";
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case OperatingSystem.Windows8_1:
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return "Windows 8.1";
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case OperatingSystem.Windows10:
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return "Windows 10";
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default:
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return "Unknown Windows Version";
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}
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}
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private string Architecture()
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{
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return Environment.Is64BitOperatingSystem ? "x64" : "x86";
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}
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}
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}
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