Add window state saving to FormBrowser and display it only when the browser is ready

Core/FormBrowser.Designer.cs

@@ -29,8 +29,11 @@ private void InitializeComponent() {
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Location = new System.Drawing.Point(32000, 32000);
             this.Name = "FormBrowser";
+            this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
             this.Text = "TweetDick";
+            this.ResizeEnd += new System.EventHandler(this.FormBrowser_ResizeEnd);
             this.ResumeLayout(false);
 
         }

Core/FormBrowser.cs

@@ -1,15 +1,71 @@
 using System.Windows.Forms;
 using CefSharp.WinForms;
+using System;
+using System.Linq;
+using TweetDick.Configuration;
+using CefSharp;
 
 namespace TweetDick.Core{
     public partial class FormBrowser : Form{
+        private static UserConfig Config{
+            get{
+                return Program.UserConfig;
+            }
+        }
+
         private readonly ChromiumWebBrowser browser;
 
         public FormBrowser(){
             InitializeComponent();
 
             browser = new ChromiumWebBrowser("https://tweetdeck.twitter.com/");
+            browser.LoadingStateChanged += Browser_LoadingStateChanged;
             Controls.Add(browser);
         }
+
+        protected override void WndProc(ref Message m){
+            FormWindowState prevState = WindowState;
+            base.WndProc(ref m);
+
+            if (prevState != WindowState && m.Msg == 0x0014){ // WM_ERASEBKGND
+                FormBrowser_WindowStateChanged(this,new EventArgs());
+            }
+        }
+
+        // window setup
+
+        private void SetupWindow(){
+            if (!Config.WindowSize.IsEmpty){
+                Location = Config.WindowLocation;
+                Size = Config.WindowSize;
+                WindowState = Config.IsMaximized ? FormWindowState.Maximized : FormWindowState.Normal;
+            }
+
+            if (Config.WindowSize.IsEmpty || !Screen.AllScreens.Any(screen => screen.WorkingArea.IntersectsWith(Bounds))){
+                Location = Screen.PrimaryScreen.WorkingArea.Location;
+                Size = Screen.PrimaryScreen.WorkingArea.Size;
+                WindowState = FormWindowState.Maximized;
+            }
+        }
+
+        // active event handlers
+
+        private void Browser_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e){
+            if (!e.IsLoading){
+                Invoke(new Action(SetupWindow));
+                browser.LoadingStateChanged -= Browser_LoadingStateChanged;
+            }
+        }
+
+        private void FormBrowser_ResizeEnd(object sender, EventArgs e){ // also triggers when the window moves
+            Config.WindowLocation = Location;
+            Config.WindowSize = Size;
+            Config.Save();
+        }
+
+        private void FormBrowser_WindowStateChanged(object sender, EventArgs e){
+            Config.IsMaximized = WindowState != FormWindowState.Normal;
+            FormBrowser_ResizeEnd(sender,e);
+        }
     }
 }