move CncInstallMusicLogic into its own file

OpenRA.Mods.Cnc/Widgets/Logic/CncInstallMusicLogic.cs

@@ -0,0 +1,116 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using OpenRA.FileFormats;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Cnc.Widgets.Logic
+{
+	public class CncInstallMusicLogic
+	{
+		Widget panel;
+		ProgressBarWidget progressBar;
+		LabelWidget statusLabel;
+		Action afterInstall;
+		ButtonWidget retryButton, backButton;
+		Widget installingContainer, insertDiskContainer;
+
+		[ObjectCreator.UseCtor]
+		public CncInstallMusicLogic([ObjectCreator.Param] Widget widget,
+							   [ObjectCreator.Param] Action afterInstall)
+		{
+			this.afterInstall = afterInstall;
+			panel = widget.GetWidget("INSTALL_MUSIC_PANEL");
+			progressBar = panel.GetWidget<ProgressBarWidget>("PROGRESS_BAR");
+			statusLabel = panel.GetWidget<LabelWidget>("STATUS_LABEL");
+
+			backButton = panel.GetWidget<ButtonWidget>("BACK_BUTTON");
+			backButton.OnClick = Widget.CloseWindow;
+
+			retryButton = panel.GetWidget<ButtonWidget>("RETRY_BUTTON");
+			retryButton.OnClick = CheckForDisk;
+
+			installingContainer = panel.GetWidget("INSTALLING");
+			insertDiskContainer = panel.GetWidget("INSERT_DISK");
+			CheckForDisk();
+		}
+
+		void CheckForDisk()
+		{
+			var path = InstallUtils.GetMountedDisk(CncInstallFromCDLogic.IsValidDisk);
+
+			if (path != null)
+				Install(path);
+			else
+			{
+				insertDiskContainer.IsVisible = () => true;
+				installingContainer.IsVisible = () => false;
+			}
+		}
+
+		void Install(string source)
+		{
+			backButton.IsDisabled = () => true;
+			retryButton.IsDisabled = () => true;
+			insertDiskContainer.IsVisible = () => false;
+			installingContainer.IsVisible = () => true;
+
+			var dest = new string[] { Platform.SupportDir, "Content", "cnc" }.Aggregate(Path.Combine);
+			var copyFiles = new string[] { "SCORES.MIX" };
+
+			var extractPackage = "INSTALL/SETUP.Z";
+			var extractFiles = new string[] { "transit.mix" };
+
+			var installCounter = 0;
+			var installTotal = copyFiles.Count() + extractFiles.Count();
+			var onProgress = (Action<string>)(s => Game.RunAfterTick(() =>
+			{
+				progressBar.Percentage = installCounter * 100 / installTotal;
+				installCounter++;
+
+				statusLabel.GetText = () => s;
+			}));
+
+			var onError = (Action<string>)(s => Game.RunAfterTick(() =>
+			{
+				statusLabel.GetText = () => "Error: " + s;
+				backButton.IsDisabled = () => false;
+				retryButton.IsDisabled = () => false;
+			}));
+
+			var t = new Thread(_ =>
+			{
+				try
+				{
+					if (!InstallUtils.CopyFiles(source, copyFiles, dest, onProgress, onError))
+						return;
+
+					if (!InstallUtils.ExtractFromPackage(source, extractPackage, extractFiles, dest, onProgress, onError))
+						return;
+
+					Game.RunAfterTick(() =>
+					{
+						Widget.CloseWindow();
+						afterInstall();
+					});
+				}
+				catch
+				{
+					onError("Installation failed");
+				}
+			}) { IsBackground = true };
+			t.Start();
+		}
+	}
+}