FeedCenter/Application/NotificationIcon.cs

using FeedCenter.Properties;
using System.Windows.Forms;

namespace FeedCenter
{
    internal static class NotificationIcon
    {
        private static MainWindow _mainForm;
        private static NotifyIcon _notificationIcon;

        public static void Initialize(MainWindow mainForm)
        {
            // Store the main window
            _mainForm = mainForm;

            // Create the notification icon
            _notificationIcon = new NotifyIcon { Icon = Resources.Application };
            _notificationIcon.DoubleClick += HandleNotificationIconDoubleClick;

            // Setup the menu
            var contextMenuStrip = new ContextMenuStrip();

            var toolStripMenuItem = new ToolStripMenuItem(Resources.NotificationIconContextMenuLocked, null, HandleLockWindowClicked) { Checked = Settings.Default.WindowLocked };
            contextMenuStrip.Items.Add(toolStripMenuItem);

            contextMenuStrip.Items.Add(new ToolStripSeparator());

            contextMenuStrip.Items.Add(Resources.NotificationIconContextMenuExit, null, HandleContextMenuExitClick);

            // Set the menu into the icon
            _notificationIcon.ContextMenuStrip = contextMenuStrip;

            // Show the icon
            _notificationIcon.Visible = true;
        }

        private static void HandleNotificationIconDoubleClick(object sender, System.EventArgs e)
        {
            // Bring the main form to the front
            _mainForm.Activate();
        }

        private static void HandleContextMenuExitClick(object sender, System.EventArgs e)
        {
            // Close the main form
            _mainForm.Close();
        }

        private static void HandleLockWindowClicked(object sender, System.EventArgs e)
        {
            // Toggle the lock setting
            Settings.Default.WindowLocked = !Settings.Default.WindowLocked;

            // Refresh the menu choice
            ((ToolStripMenuItem) sender).Checked = Settings.Default.WindowLocked;
        }

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

            _mainForm = null;
        }

        public static void ShowBalloonTip(string text, ToolTipIcon icon)
        {
            ShowBalloonTip(text, icon, Settings.Default.BalloonTipTimeout);
        }

        private static void ShowBalloonTip(string text, ToolTipIcon icon, int timeout)
        {
            _notificationIcon.ShowBalloonTip(timeout, Resources.ApplicationDisplayName, text, icon);
        }
    }
}