Adding the ability to have a tray icon

src/modules/espresso/Espresso.Shell/Core/APIHelper.cs

@@ -5,6 +5,7 @@
 using Microsoft.Win32;
 using NLog;
 using System;
+using System.Drawing;
 using System.Runtime.InteropServices;
 using System.Threading;
 using System.Threading.Tasks;
@@ -33,15 +34,18 @@ namespace Espresso.Shell.Core
 
         private static Logger log;
 
+        // More details about the API used: https://docs.microsoft.com/windows/win32/api/winbase/nf-winbase-setthreadexecutionstate
+        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        static extern EXECUTION_STATE SetThreadExecutionState(EXECUTION_STATE esFlags);
+
+        [DllImport("Shell32.dll", EntryPoint = "ExtractIconExW", CharSet = CharSet.Unicode, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
+        private static extern int ExtractIconEx(string sFile, int iIndex, out IntPtr piLargeVersion, out IntPtr piSmallVersion, int amountIcons);
+
         static APIHelper()
         {
             log = LogManager.GetCurrentClassLogger();
         }
 
-        // More details about the API used: https://docs.microsoft.com/windows/win32/api/winbase/nf-winbase-setthreadexecutionstate
-        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        static extern EXECUTION_STATE SetThreadExecutionState(EXECUTION_STATE esFlags);
-
         /// <summary>
         /// Sets the computer awake state using the native Win32 SetThreadExecutionState API. This
         /// function is just a nice-to-have wrapper that helps avoid tracking the success or failure of
@@ -183,5 +187,23 @@ namespace Espresso.Shell.Core
                 return string.Empty;
             }
         }
+
+
+        public static Icon? Extract(string file, int number, bool largeIcon)
+        {
+            IntPtr large;
+            IntPtr small;
+            ExtractIconEx(file, number, out large, out small, 1);
+            try
+            {
+                return Icon.FromHandle(largeIcon ? large : small);
+            }
+            catch
+            {
+                return null;
+            }
+
+        }
+        
     }
 }

src/modules/espresso/Espresso.Shell/Core/TrayHelper.cs

@@ -5,6 +5,7 @@
 using Espresso.Shell.Models;
 using System;
 using System.Drawing;
+using System.Threading.Tasks;
 using System.Windows.Forms;
 
 namespace Espresso.Shell.Core
@@ -23,14 +24,16 @@ namespace Espresso.Shell.Core
             trayIcon.Icon = icon;
             trayIcon.ContextMenuStrip = contextMenu;
             trayIcon.Visible = true;
+
+            Application.Run();
         }
 
-        internal static void InitializeEspressoTray(EspressoMode mode, bool keepDisplayOn, Action indefiniteSelectionCallback, Action timedSelectionCallback)
+        internal static void InitializeEspressoTray(string text, EspressoMode mode, bool keepDisplayOn, Action indefiniteSelectionCallback, Action timedSelectionCallback)
         {
             var contextMenuStrip = new ContextMenuStrip();
-
+          
             // Main toolstrip.
-            var operationContextMenu = new ToolStrip();
+            var operationContextMenu = new ToolStripMenuItem();
             operationContextMenu.Text = "Mode";
 
             // Indefinite keep-awake menu item.
@@ -40,13 +43,32 @@ namespace Espresso.Shell.Core
             {
                 indefiniteMenuItem.Checked = true;
             }
-            operationContextMenu.Items.Add(indefiniteMenuItem);
 
             // Timed keep-awake menu item
+            var timedMenuItem = new ToolStripMenuItem();
+            timedMenuItem.Text = "Timed";
 
-            // Exit menu item
+            var halfHourMenuItem = new ToolStripMenuItem();
+            halfHourMenuItem.Text = "30 minutes";
 
-            // About menu item
+            var oneHourMenuItem = new ToolStripMenuItem();
+            halfHourMenuItem.Text = "1 hour";
+
+            var twoHousrMenuItem = new ToolStripMenuItem();
+            halfHourMenuItem.Text = "2 hours";
+
+            timedMenuItem.DropDownItems.Add(halfHourMenuItem);
+            timedMenuItem.DropDownItems.Add(oneHourMenuItem);
+            timedMenuItem.DropDownItems.Add(twoHousrMenuItem);
+
+            operationContextMenu.DropDownItems.Add(indefiniteMenuItem);
+            operationContextMenu.DropDownItems.Add(timedMenuItem);
+
+            contextMenuStrip.Items.Add(operationContextMenu);
+
+#pragma warning disable CS8604 // Possible null reference argument.
+            Task.Factory.StartNew(() => InitializeTrayIcon(text, APIHelper.Extract("shell32.dll", 42, true), contextMenuStrip));
+#pragma warning restore CS8604 // Possible null reference argument.
         }
     }
 }

src/modules/espresso/Espresso.Shell/Program.cs

@@ -199,6 +199,8 @@ namespace Espresso.Shell
                 });
             }
 
+            TrayHelper.InitializeEspressoTray("Espresso", EspressoMode.INDEFINITE, true, new Action(()=>Console.WriteLine("test")), new Action(() => Console.WriteLine("test")));
+
             new ManualResetEvent(false).WaitOne();
         }