WorkIndicator/NotificationIcon.cs

using ChrisKaczor.Wpf.Windows;
using H.NotifyIcon;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using WorkIndicator.Properties;
using WorkIndicator.SettingsWindow;

namespace WorkIndicator;

internal static class NotificationIcon
{
    private static TaskbarIcon _notificationIcon;
    private static readonly Dictionary<Status, MenuItem> StatusMenuItems = new();

    public static void Initialize()
    {
        // Create the notification icon
        _notificationIcon = new TaskbarIcon { Icon = Resources.ApplicationIcon };

        // Set up the menu
        var contextMenu = new ContextMenu();
        contextMenu.Opened += HandleContextMenuOpening;

        AddStatusMenuItem(contextMenu, Resources.StatusAuto, Status.Auto);
        AddStatusMenuItem(contextMenu, Resources.StatusFree, Status.Free);
        AddStatusMenuItem(contextMenu, Resources.StatusWorking, Status.Working);
        AddStatusMenuItem(contextMenu, Resources.StatusOnPhone, Status.OnPhone);
        AddStatusMenuItem(contextMenu, Resources.StatusTalking, Status.Talking);

        contextMenu.Items.Add(new Separator());

        var menuItem = new MenuItem
        {
            Header = Resources.NotificationIconContextMenuSettings
        };
        menuItem.Click += ShowSettings;
        contextMenu.Items.Add(menuItem);

        contextMenu.Items.Add(new Separator());

        menuItem = new MenuItem
        {
            Header = Resources.NotificationIconContextMenuExit
        };
        menuItem.Click += HandleContextMenuExitClick;
        contextMenu.Items.Add(menuItem);

        // Set the menu into the icon
        _notificationIcon.ContextMenu = contextMenu;

        // Show the icon
        _notificationIcon.ForceCreate(false);
    }

    private static void ShowSettings(object sender, RoutedEventArgs e)
    {
        var categoryPanels = new List<CategoryPanelBase>
        {
            new GeneralSettingsPanel(),
            new UpdateSettingsPanel(),
            new AboutSettingsPanel()
        };

        var settingsWindow = new CategoryWindow(categoryPanels, Resources.SettingsTitle, Resources.CloseButtonText);

        settingsWindow.ShowDialog();
    }

    private static void HandleContextMenuOpening(object sender, RoutedEventArgs e)
    {
        foreach (var menuItem in StatusMenuItems)
        {
            menuItem.Value.IsChecked = menuItem.Key == LightController.Status;
        }
    }

    private static void HandleContextMenuExitClick(object sender, System.EventArgs e)
    {
        Application.Current.Shutdown();
    }

    public static void Dispose()
    {
        // Get rid of the icon
        _notificationIcon?.Dispose();
        _notificationIcon = null;
    }

    public static void ShowBalloonTip(string text, H.NotifyIcon.Core.NotificationIcon icon)
    {
        _notificationIcon.ShowNotification(Resources.ApplicationName, text, icon);
    }

    private static void AddStatusMenuItem(ContextMenu contextMenu, string text, Status status)
    {
        var menuItem = new MenuItem
        {
            Header = text,
            IsCheckable = true,
            IsChecked = status == LightController.Status
        };
        menuItem.Click += (_, _) => LightController.Status = status;
        contextMenu.Items.Add(menuItem);
        StatusMenuItems[status] = menuItem;
    }
}