1 files changed, 150 insertions, 0 deletions
diff --git a/ShiftOS.WinForms/Applications/Installer.cs b/ShiftOS.WinForms/Applications/Installer.cs
new file mode 100644
index 0000000..1b5521e
--- /dev/null
+++ b/ShiftOS.WinForms/Applications/Installer.cs
@@ -0,0 +1,150 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using ShiftOS.Engine;
+
+namespace ShiftOS.WinForms.Applications
+{
+    public partial class Installer : UserControl, IShiftOSWindow
+    {
+        public Installer()
+        {
+            InitializeComponent();
+            lbtitle.Text = "Select file";
+        }
+
+        public void InitiateInstall(Installation install)
+        {
+            pnlselectfile.Hide();
+            install.ProgressReported += (p) =>
+            {
+                this.Invoke(new Action(() =>
+                {
+                    pginstall.Value = p;
+                }));
+            };
+            install.StatusReported += (s) =>
+            {
+                this.Invoke(new Action(() =>
+                {
+                    lbprogress.Text = s;
+                }));
+            };
+            install.InstallCompleted += () =>
+            {
+                this.Invoke(new Action(() =>
+                {
+                    lbtitle.Text = "Select file";
+                    pnlselectfile.Show();
+                }));
+                isInstalling = false;
+                InstallCompleted?.Invoke();
+            };
+            isInstalling = true;
+            install.Install();
+        }
+
+        public void OnLoad()
+        {
+        }
+
+        private bool isInstalling = false;
+
+        public void OnSkinLoad()
+        {
+        }
+
+        public bool OnUnload()
+        {
+            return !isInstalling; //Don't close if an install is running.
+        }
+
+        public void OnUpgrade()
+        {
+
+        }
+
+        private void pnlselectfile_VisibleChanged(object sender, EventArgs e)
+        {
+            if(this.ParentForm != null)
+            {
+                this.ParentForm.Height = (pnlselectfile.Visible == true) ? this.ParentForm.Height + pnlselectfile.Height : this.ParentForm.Height - pnlselectfile.Height;
+            }
+        }
+        public event Action InstallCompleted;
+    }
+
+    public abstract class Installation
+    {
+        /// <summary>
+        /// The display name of the installation.
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Occurs when the installation updates its status.
+        /// </summary>
+        public event Action<string> StatusReported;
+        /// <summary>
+        /// Occurs when the installation updates its progress percentage.
+        /// </summary>
+        public event Action<int> ProgressReported;
+        /// <summary>
+        /// Occurs when the installation completes.
+        /// </summary>
+        public event Action InstallCompleted;
+
+        /// <summary>
+        /// Start the installation.
+        /// </summary>
+        public void Install()
+        {
+            var t = new System.Threading.Thread(() =>
+            {
+                ProgressReported?.Invoke(0);
+                StatusReported?.Invoke("");
+                Run();
+                ProgressReported?.Invoke(100);
+                StatusReported?.Invoke("Installation completed.");
+                InstallCompleted?.Invoke();
+            });
+            t.IsBackground = true;
+            t.Start();
+        }
+
+        /// <summary>
+        /// Sets the install progress percentage.
+        /// </summary>
+        /// <param name="value">The installation percentage.</param>
+        protected void SetProgress(int value)
+        {
+            if (value < 0 || value > 100)
+                throw new ArgumentOutOfRangeException("value", "A percentage is typically between 0 and 100.... derp...");
+            ProgressReported?.Invoke(value);
+        }
+
+        /// <summary>
+        /// Sets the install status text.
+        /// </summary>
+        /// <param name="status">Text to display as status.</param>
+        protected void SetStatus(string status)
+        {
+            StatusReported?.Invoke(status);
+        }
+
+        /// <summary>
+        /// User-defined code to run during install. Once this code is ran, the installation is complete.
+        /// </summary>
+        protected abstract void Run();
+    }
+
+
+
+
+}