Restore SEBPatch

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

@@ -0,0 +1,183 @@
+/*
+ * 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;
+using System.ComponentModel;
+using System.Drawing;
+using System.Windows;
+using System.Windows.Interop;
+using System.Windows.Media.Imaging;
+using SafeExamBrowser.I18n.Contracts;
+using SafeExamBrowser.UserInterface.Contracts.MessageBox;
+using MessageBoxResult = SafeExamBrowser.UserInterface.Contracts.MessageBox.MessageBoxResult;
+
+namespace SafeExamBrowser.UserInterface.Mobile.Windows
+{
+	internal partial class MessageBoxDialog : Window
+	{
+		private readonly IText text;
+
+		public MessageBoxDialog(IText text)
+		{
+			this.text = text;
+
+			InitializeComponent();
+			InitializeMessageBox();
+		}
+
+		internal MessageBoxResult Show(string message, string title, MessageBoxAction action, MessageBoxIcon icon, Window parent = null)
+		{
+			Message.Text = message;
+			Title = title;
+
+			if (parent is Window)
+			{
+				Owner = parent as Window;
+			}
+
+			InitializeBounds();
+			InitializeAction(action);
+			InitializeIcon(icon);
+
+			ShowDialog();
+
+			return ResultFor(action);
+		}
+
+		private void InitializeAction(MessageBoxAction action)
+		{
+			switch (action)
+			{
+				case MessageBoxAction.Ok:
+					CancelButton.Visibility = Visibility.Collapsed;
+					OkButton.Visibility = Visibility.Visible;
+					OkButton.Focus();
+					YesButton.Visibility = Visibility.Collapsed;
+					NoButton.Visibility = Visibility.Collapsed;
+					break;
+				case MessageBoxAction.OkCancel:
+					CancelButton.Visibility = Visibility.Visible;
+					CancelButton.Focus();
+					OkButton.Visibility = Visibility.Visible;
+					YesButton.Visibility = Visibility.Collapsed;
+					NoButton.Visibility = Visibility.Collapsed;
+					break;
+				case MessageBoxAction.YesNo:
+					CancelButton.Visibility = Visibility.Collapsed;
+					OkButton.Visibility = Visibility.Collapsed;
+					YesButton.Visibility = Visibility.Visible;
+					NoButton.Visibility = Visibility.Visible;
+					NoButton.Focus();
+					break;
+			}
+		}
+
+		private void InitializeBounds()
+		{
+			Left = 0;
+			Top = 0;
+			Height = SystemParameters.PrimaryScreenHeight;
+			Width = SystemParameters.PrimaryScreenWidth;
+		}
+
+		private void InitializeIcon(MessageBoxIcon icon)
+		{
+			var handle = default(IntPtr);
+
+			switch (icon)
+			{
+				case MessageBoxIcon.Error:
+					handle = SystemIcons.Error.Handle;
+					break;
+				case MessageBoxIcon.Information:
+					handle = SystemIcons.Information.Handle;
+					break;
+				case MessageBoxIcon.Question:
+					handle = SystemIcons.Question.Handle;
+					break;
+				case MessageBoxIcon.Warning:
+					handle = SystemIcons.Warning.Handle;
+					break;
+			}
+
+			if (handle != default(IntPtr))
+			{
+				Image.Content = new System.Windows.Controls.Image
+				{
+					Source = Imaging.CreateBitmapSourceFromHIcon(handle, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions())
+				};
+			}
+		}
+
+		private void InitializeMessageBox()
+		{
+			InitializeBounds();
+
+			CancelButton.Content = text.Get(TextKey.MessageBox_CancelButton);
+			CancelButton.Click += CancelButton_Click;
+
+			NoButton.Content = text.Get(TextKey.MessageBox_NoButton);
+			NoButton.Click += NoButton_Click;
+
+			OkButton.Content = text.Get(TextKey.MessageBox_OkButton);
+			OkButton.Click += OkButton_Click;
+
+			YesButton.Content = text.Get(TextKey.MessageBox_YesButton);
+			YesButton.Click += YesButton_Click;
+
+			SystemParameters.StaticPropertyChanged += SystemParameters_StaticPropertyChanged;
+		}
+
+		private MessageBoxResult ResultFor(MessageBoxAction action)
+		{
+			switch (action)
+			{
+				case MessageBoxAction.Ok:
+					return DialogResult == true ? MessageBoxResult.Ok : MessageBoxResult.None;
+				case MessageBoxAction.OkCancel:
+					return DialogResult == true ? MessageBoxResult.Ok : MessageBoxResult.Cancel;
+				case MessageBoxAction.YesNo:
+					return DialogResult == true ? MessageBoxResult.Yes : MessageBoxResult.No;
+				default:
+					return MessageBoxResult.None;
+			}
+		}
+
+		private void CancelButton_Click(object sender, RoutedEventArgs e)
+		{
+			DialogResult = false;
+			Close();
+		}
+
+		private void NoButton_Click(object sender, RoutedEventArgs e)
+		{
+			DialogResult = false;
+			Close();
+		}
+
+		private void OkButton_Click(object sender, RoutedEventArgs e)
+		{
+			DialogResult = true;
+			Close();
+		}
+
+		private void YesButton_Click(object sender, RoutedEventArgs e)
+		{
+			DialogResult = true;
+			Close();
+		}
+
+		private void SystemParameters_StaticPropertyChanged(object sender, PropertyChangedEventArgs e)
+		{
+			if (e.PropertyName == nameof(SystemParameters.WorkArea))
+			{
+				Dispatcher.InvokeAsync(InitializeBounds);
+			}
+		}
+	}
+}