Streamline mod changing after installation

- Don't return to the ModChooser after a successful installation.
 - Don't reload the ModChooser after a cancelled installation.

OpenRA.Mods.Common/Widgets/Logic/Installation/InstallFromCDLogic.cs

@@ -23,17 +23,17 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 		readonly Widget panel;
 		readonly ProgressBarWidget progressBar;
 		readonly LabelWidget statusLabel;
-		readonly Action continueLoading;
+		readonly Action afterInstall;
 		readonly ButtonWidget retryButton, backButton;
 		readonly Widget installingContainer, insertDiskContainer;
 		readonly ContentInstaller installData;
 
 		[ObjectCreator.UseCtor]
-		public InstallFromCDLogic(Widget widget, Action continueLoading, string modId)
+		public InstallFromCDLogic(Widget widget, Action afterInstall, string modId)
 		{
 			this.modId = modId;
 			installData = ModMetadata.AllMods[modId].Content;
-			this.continueLoading = continueLoading;
+			this.afterInstall = afterInstall;
 			panel = widget.Get("INSTALL_FROMCD_PANEL");
 			progressBar = panel.Get<ProgressBarWidget>("PROGRESS_BAR");
 			statusLabel = panel.Get<LabelWidget>("STATUS_LABEL");
@@ -137,7 +137,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 					}
 				}
 
-				continueLoading();
+				afterInstall();
 			}) { IsBackground = true }.Start();
 		}
 
@@ -198,7 +198,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 					{
 						statusLabel.GetText = () => "Game assets have been extracted.";
 						Ui.CloseWindow();
-						continueLoading();
+						afterInstall();
 					});
 				}
 				catch (Exception e)

OpenRA.Mods.Common/Widgets/Logic/Installation/InstallLogic.cs

@@ -8,7 +8,6 @@
  */
 #endregion
 
-using System;
 using OpenRA.Widgets;
 
 namespace OpenRA.Mods.Common.Widgets.Logic
@@ -16,13 +15,12 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 	public class InstallLogic : Widget
 	{
 		[ObjectCreator.UseCtor]
-		public InstallLogic(Widget widget, Action continueLoading, string mirrorListUrl, string modId)
+		public InstallLogic(Widget widget, string mirrorListUrl, string modId)
 		{
 			var panel = widget.Get("INSTALL_PANEL");
 			var widgetArgs = new WidgetArgs
 			{
-				{ "afterInstall", () => { Ui.CloseWindow(); continueLoading(); } },
-				{ "continueLoading", continueLoading },
+				{ "afterInstall", () => { Game.InitializeMod(modId, new Arguments()); } },
 				{ "mirrorListUrl", mirrorListUrl },
 				{ "modId", modId }
 			};
@@ -38,14 +36,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 			panel.Get<ButtonWidget>("INSTALL_BUTTON").OnClick = () =>
 				Ui.OpenWindow("INSTALL_FROMCD_PANEL", widgetArgs);
 
-			panel.Get<ButtonWidget>("BACK_BUTTON").OnClick = () =>
-			{
-				Game.RunAfterTick(() =>
-				{
-					Game.Settings.Game.PreviousMod = Game.ModData.Manifest.Mod.Id;
-					Game.InitializeMod("modchooser", null);
-				});
-			};
+			panel.Get<ButtonWidget>("BACK_BUTTON").OnClick = Ui.CloseWindow;
 		}
 	}
 }

OpenRA.Mods.Common/Widgets/Logic/Installation/InstallMusicLogic.cs

@@ -20,8 +20,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 		{
 			var installMusicContainer = widget.Get("INSTALL_MUSIC_PANEL");
 
-			Action loadDefaultMod = () =>
-				Game.RunAfterTick(() => Game.InitializeMod(modId, null));
+			Action loadDefaultMod = () => Game.RunAfterTick(() => Game.InitializeMod(modId, null));
 
 			var cancelButton = installMusicContainer.GetOrNull<ButtonWidget>("BACK_BUTTON");
 			if (cancelButton != null)
@@ -34,7 +33,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 				{
 					Ui.OpenWindow("INSTALL_FROMCD_PANEL", new WidgetArgs
 					{
-						{ "continueLoading", loadDefaultMod },
+						{ "afterInstall", loadDefaultMod },
 						{ "modId", modId }
 					});
 				};