Restore SEBPatch

SafeExamBrowser.UserInterface.Mobile/Windows/ProctoringWindow.xaml.cs

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+/*
+ * 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.Threading.Tasks;
+using System.Windows;
+using SafeExamBrowser.UserInterface.Contracts.Proctoring;
+using SafeExamBrowser.UserInterface.Contracts.Windows;
+using SafeExamBrowser.UserInterface.Contracts.Windows.Events;
+using SafeExamBrowser.UserInterface.Shared.Utilities;
+
+namespace SafeExamBrowser.UserInterface.Mobile.Windows
+{
+	public partial class ProctoringWindow : Window, IProctoringWindow
+	{
+		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; }
+		}
+
+		public ProctoringWindow(IProctoringControl control)
+		{
+			InitializeComponent();
+			InitializeWindow(control);
+		}
+
+		public void BringToForeground()
+		{
+			Dispatcher.Invoke(() =>
+			{
+				if (WindowState == WindowState.Minimized)
+				{
+					WindowState = WindowState.Normal;
+				}
+
+				Activate();
+			});
+		}
+
+		public new void Close()
+		{
+			Dispatcher.Invoke(() =>
+			{
+				Closing -= ProctoringWindow_Closing;
+				closing?.Invoke();
+				base.Close();
+			});
+		}
+
+		public new void Hide()
+		{
+			Dispatcher.Invoke(base.Hide);
+		}
+
+		public void HideWithDelay()
+		{
+			Dispatcher.Invoke(() => this.MoveToBackground());
+			Task.Delay(15000).ContinueWith(_ => Hide());
+		}
+
+		public void SetTitle(string title)
+		{
+			Dispatcher.Invoke(() => Title = title ?? "");
+		}
+
+		public new void Show()
+		{
+			Dispatcher.Invoke(base.Show);
+		}
+
+		public void Toggle()
+		{
+			Dispatcher.Invoke(() =>
+			{
+				if (Visibility == Visibility.Visible)
+				{
+					base.Hide();
+				}
+				else
+				{
+					base.Show();
+				}
+			});
+		}
+
+		private void InitializeWindow(IProctoringControl control)
+		{
+			if (control is UIElement element)
+			{
+				Content = element;
+				control.FullScreenChanged += Control_FullScreenChanged;
+			}
+
+			Closed += (o, args) => closed?.Invoke();
+			Closing += ProctoringWindow_Closing;
+			Loaded += ProctoringWindow_Loaded;
+			Top = SystemParameters.WorkArea.Height - Height - 15;
+			Left = SystemParameters.WorkArea.Width - Width - 20;
+		}
+
+		private void Control_FullScreenChanged(bool fullScreen)
+		{
+			if (fullScreen)
+			{
+				WindowState = WindowState.Maximized;
+				WindowStyle = WindowStyle.None;
+			}
+			else
+			{
+				WindowState = WindowState.Normal;
+				WindowStyle = WindowStyle.ToolWindow;
+			}
+		}
+
+		private void ProctoringWindow_Closing(object sender, CancelEventArgs e)
+		{
+			e.Cancel = true;
+		}
+
+		private void ProctoringWindow_Loaded(object sender, RoutedEventArgs e)
+		{
+			this.HideCloseButton();
+		}
+	}
+}