mRemoteNG/mRemoteV1/Tools/NotificationAreaIcon.cs

using System;
using System.Linq;
using System.Windows.Forms;
using mRemoteNG.App;
using mRemoteNG.Connection;
using mRemoteNG.Container;
using mRemoteNG.UI.Forms;


namespace mRemoteNG.Tools
{
    public class NotificationAreaIcon
    {
        private readonly NotifyIcon _nI;
        private readonly ContextMenuStrip _cMen;
        private readonly ToolStripMenuItem _cMenCons;
        private readonly IConnectionInitiator _connectionInitiator;
        private readonly FrmMain _frmMain;
        private readonly Shutdown _shutdown;
        private readonly IConnectionsService _connectionsService;

        public bool Disposed { get; private set; }

        public NotificationAreaIcon(FrmMain frmMain, IConnectionInitiator connectionInitiator, Shutdown shutdown, IConnectionsService connectionsService)
        {
            _frmMain = frmMain.ThrowIfNull(nameof(frmMain));
            _connectionInitiator = connectionInitiator.ThrowIfNull(nameof(connectionInitiator));
            _shutdown = shutdown.ThrowIfNull(nameof(shutdown));
            _connectionsService = connectionsService.ThrowIfNull(nameof(connectionsService));

            try
            {
                _cMenCons = new ToolStripMenuItem
                {
                    Text = Language.strConnections,
                    Image = Resources.Root
                };

                var cMenSep1 = new ToolStripSeparator();

                var cMenExit = new ToolStripMenuItem {Text = Language.strMenuExit};
                cMenExit.Click += cMenExit_Click;

                _cMen = new ContextMenuStrip
                {
                    Font = new System.Drawing.Font("Segoe UI", 8.25F, System.Drawing.FontStyle.Regular,
                        System.Drawing.GraphicsUnit.Point, Convert.ToByte(0)),
                    RenderMode = ToolStripRenderMode.Professional
                };
                _cMen.Items.AddRange(new ToolStripItem[] {_cMenCons, cMenSep1, cMenExit});

                _nI = new NotifyIcon
                {
                    Text = @"mRemoteNG",
                    BalloonTipText = @"mRemoteNG",
                    Icon = Resources.mRemote_Icon,
                    ContextMenuStrip = _cMen,
                    Visible = true
                };

                _nI.MouseClick += nI_MouseClick;
                _nI.MouseDoubleClick += nI_MouseDoubleClick;
            }
            catch (Exception ex)
            {
                Runtime.MessageCollector.AddExceptionStackTrace("Creating new SysTrayIcon failed", ex);
            }
        }

        public void Dispose()
        {
            try
            {
                _nI.Visible = false;
                _nI.Dispose();
                _cMen.Dispose();
                Disposed = true;
            }
            catch (Exception ex)
            {
                Runtime.MessageCollector.AddExceptionStackTrace("Disposing SysTrayIcon failed", ex);
            }
        }

        private void nI_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button != MouseButtons.Right) return;
            _cMenCons.DropDownItems.Clear();
            var menuItemsConverter = new ConnectionsTreeToMenuItemsConverter
            {
                MouseUpEventHandler = ConMenItem_MouseUp
            };

            // ReSharper disable once CoVariantArrayConversion
            ToolStripItem[] rootMenuItems = menuItemsConverter.CreateToolStripDropDownItems(_connectionsService.ConnectionTreeModel).ToArray();
            _cMenCons.DropDownItems.AddRange(rootMenuItems);
        }

        private void nI_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            if (_frmMain.Visible)
                HideForm();
            else
                ShowForm();
        }

        private void ShowForm()
        {
            _frmMain.Show();
            _frmMain.WindowState = _frmMain.PreviousWindowState;

            if (Settings.Default.ShowSystemTrayIcon) return;
            Runtime.NotificationAreaIcon.Dispose();
            Runtime.NotificationAreaIcon = null;
        }

        private void HideForm()
        {
            _frmMain.Hide();
            _frmMain.PreviousWindowState = _frmMain.WindowState;
        }

        private void ConMenItem_MouseUp(object sender, MouseEventArgs e)
        {
            if (e.Button != MouseButtons.Left) return;
            if (((ToolStripMenuItem)sender).Tag is ContainerInfo) return;
            if (_frmMain.Visible == false)
                ShowForm();
            _connectionInitiator.OpenConnection((ConnectionInfo) ((ToolStripMenuItem) sender).Tag);
        }

        private void cMenExit_Click(object sender, EventArgs e)
        {
            _shutdown.Quit();
        }
    }
}