Restore SEBPatch

SafeExamBrowser.UserInterface.Desktop/Windows/LogWindow.xaml.cs

@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2024 ETH Zürich, IT Services
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+using System.ComponentModel;
+using System.Windows;
+using System.Windows.Input;
+using SafeExamBrowser.I18n.Contracts;
+using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.UserInterface.Contracts.Windows;
+using SafeExamBrowser.UserInterface.Contracts.Windows.Events;
+using SafeExamBrowser.UserInterface.Desktop.ViewModels;
+
+namespace SafeExamBrowser.UserInterface.Desktop.Windows
+{
+	internal partial class LogWindow : Window, IWindow
+	{
+		private readonly ILogger logger;
+		private readonly LogViewModel model;
+
+		private WindowClosedEventHandler closed;
+		private WindowClosingEventHandler closing;
+
+		event WindowClosedEventHandler IWindow.Closed
+		{
+			add { closed += value; }
+			remove { closed -= value; }
+		}
+
+		event WindowClosingEventHandler IWindow.Closing
+		{
+			add { closing += value; }
+			remove { closing -= value; }
+		}
+
+		internal LogWindow(ILogger logger, IText text)
+		{
+			InitializeComponent();
+
+			this.logger = logger;
+			this.model = new LogViewModel(text, ScrollViewer, LogContent);
+
+			InitializeLogWindow();
+		}
+
+		public void BringToForeground()
+		{
+			Dispatcher.Invoke(() =>
+			{
+				if (WindowState == WindowState.Minimized)
+				{
+					WindowState = WindowState.Normal;
+				}
+
+				Activate();
+			});
+		}
+
+		public new void Close()
+		{
+			Dispatcher.Invoke(base.Close);
+		}
+
+		public new void Hide()
+		{
+			Dispatcher.Invoke(base.Hide);
+		}
+
+		public new void Show()
+		{
+			Dispatcher.Invoke(base.Show);
+		}
+
+		private void InitializeLogWindow()
+		{
+			DataContext = model;
+			Closed += (o, args) => closed?.Invoke();
+			Closing += LogWindow_Closing;
+			Loaded += LogWindow_Loaded;
+		}
+
+		private void LogWindow_Loaded(object sender, RoutedEventArgs e)
+		{
+			Cursor = Cursors.Wait;
+
+			var log = logger.GetLog();
+
+			foreach (var content in log)
+			{
+				model.Notify(content);
+			}
+
+			logger.Subscribe(model);
+			logger.Debug("Opened log window.");
+
+			Cursor = Cursors.Arrow;
+		}
+
+		private void LogWindow_Closing(object sender, CancelEventArgs e)
+		{
+			logger.Unsubscribe(model);
+			logger.Debug("Closed log window.");
+
+			closing?.Invoke();
+		}
+	}
+}