Restore SEBPatch

SafeExamBrowser.UserInterface.Mobile/Windows/ServerFailureDialog.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.Windows;
+using SafeExamBrowser.I18n.Contracts;
+using SafeExamBrowser.UserInterface.Contracts.Windows;
+using SafeExamBrowser.UserInterface.Contracts.Windows.Data;
+
+namespace SafeExamBrowser.UserInterface.Mobile.Windows
+{
+	public partial class ServerFailureDialog : Window, IServerFailureDialog
+	{
+		private readonly IText text;
+
+		public ServerFailureDialog(string info, bool showFallback, IText text)
+		{
+			this.text = text;
+
+			InitializeComponent();
+			InitializeDialog(info, showFallback);
+		}
+
+		public ServerFailureDialogResult Show(IWindow parent = null)
+		{
+			return Dispatcher.Invoke(() =>
+			{
+				var result = new ServerFailureDialogResult { Success = false };
+
+				if (parent is Window)
+				{
+					Owner = parent as Window;
+					WindowStartupLocation = WindowStartupLocation.CenterOwner;
+				}
+
+				InitializeBounds();
+
+				if (ShowDialog() is true)
+				{
+					result.Abort = Tag as string == nameof(AbortButton);
+					result.Fallback = Tag as string == nameof(FallbackButton);
+					result.Retry = Tag as string == nameof(RetryButton);
+					result.Success = true;
+				}
+				else
+				{
+					result.Abort = true;
+				}
+
+				return result;
+			});
+		}
+
+		private void InitializeBounds()
+		{
+			Left = 0;
+			Top = 0;
+			Height = SystemParameters.PrimaryScreenHeight;
+			Width = SystemParameters.PrimaryScreenWidth;
+		}
+
+		private void InitializeDialog(string info, bool showFallback)
+		{
+			InitializeBounds();
+
+			Info.Text = info;
+			Message.Text = text.Get(TextKey.ServerFailureDialog_Message);
+			Title = text.Get(TextKey.ServerFailureDialog_Title);
+
+			AbortButton.Click += AbortButton_Click;
+			AbortButton.Content = text.Get(TextKey.ServerFailureDialog_Abort);
+
+			FallbackButton.Click += FallbackButton_Click;
+			FallbackButton.Content = text.Get(TextKey.ServerFailureDialog_Fallback);
+			FallbackButton.Visibility = showFallback ? Visibility.Visible : Visibility.Collapsed;
+
+			Loaded += (o, args) => Activate();
+
+			RetryButton.Click += RetryButton_Click;
+			RetryButton.Content = text.Get(TextKey.ServerFailureDialog_Retry);
+
+			SystemParameters.StaticPropertyChanged += SystemParameters_StaticPropertyChanged;
+		}
+
+		private void AbortButton_Click(object sender, RoutedEventArgs e)
+		{
+			DialogResult = true;
+			Tag = nameof(AbortButton);
+			Close();
+		}
+
+		private void FallbackButton_Click(object sender, RoutedEventArgs e)
+		{
+			DialogResult = true;
+			Tag = nameof(FallbackButton);
+			Close();
+		}
+
+		private void RetryButton_Click(object sender, RoutedEventArgs e)
+		{
+			DialogResult = true;
+			Tag = nameof(RetryButton);
+			Close();
+		}
+
+		private void SystemParameters_StaticPropertyChanged(object sender, PropertyChangedEventArgs e)
+		{
+			if (e.PropertyName == nameof(SystemParameters.WorkArea))
+			{
+				Dispatcher.InvokeAsync(InitializeBounds);
+			}
+		}
+	}
+}