From 6997d3a5f5774d662cd4580696f8c58176b50919 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Damian=20B=C3=BCchel?= <damian.buechel@let.ethz.ch>
Date: Fri, 31 Jul 2020 22:17:10 +0200
Subject: [PATCH] SEBWIN-405: Implemented mobile versions for exam selection
 and server failure dialog.

---
 .../Operations/ServerOperation.cs             |   4 -
 ...afeExamBrowser.UserInterface.Mobile.csproj |  14 +++
 .../UserInterfaceFactory.cs                   |   6 +-
 .../Windows/ExamSelectionDialog.xaml          |  61 +++++++++
 .../Windows/ExamSelectionDialog.xaml.cs       | 111 ++++++++++++++++
 .../Windows/ServerFailureDialog.xaml          |  45 +++++++
 .../Windows/ServerFailureDialog.xaml.cs       | 119 ++++++++++++++++++
 7 files changed, 352 insertions(+), 8 deletions(-)
 create mode 100644 SafeExamBrowser.UserInterface.Mobile/Windows/ExamSelectionDialog.xaml
 create mode 100644 SafeExamBrowser.UserInterface.Mobile/Windows/ExamSelectionDialog.xaml.cs
 create mode 100644 SafeExamBrowser.UserInterface.Mobile/Windows/ServerFailureDialog.xaml
 create mode 100644 SafeExamBrowser.UserInterface.Mobile/Windows/ServerFailureDialog.xaml.cs

diff --git a/SafeExamBrowser.Client/Operations/ServerOperation.cs b/SafeExamBrowser.Client/Operations/ServerOperation.cs
index 69a07108..f90d6bdf 100644
--- a/SafeExamBrowser.Client/Operations/ServerOperation.cs
+++ b/SafeExamBrowser.Client/Operations/ServerOperation.cs
@@ -54,8 +54,6 @@ namespace SafeExamBrowser.Client.Operations
 					Context.AppConfig.ServerExamId,
 					Context.AppConfig.ServerOauth2Token,
 					Context.Settings.Server);
-
-				// TODO: Add action center and taskbar notifications
 			}
 
 			return result;
@@ -70,8 +68,6 @@ namespace SafeExamBrowser.Client.Operations
 				logger.Info("Finalizing server...");
 				StatusChanged?.Invoke(TextKey.OperationStatus_FinalizeServer);
 
-				// TODO: Stop action center and taskbar notifications
-
 				server.StopConnectivity();
 			}
 
diff --git a/SafeExamBrowser.UserInterface.Mobile/SafeExamBrowser.UserInterface.Mobile.csproj b/SafeExamBrowser.UserInterface.Mobile/SafeExamBrowser.UserInterface.Mobile.csproj
index 08067dd3..606a9ce4 100644
--- a/SafeExamBrowser.UserInterface.Mobile/SafeExamBrowser.UserInterface.Mobile.csproj
+++ b/SafeExamBrowser.UserInterface.Mobile/SafeExamBrowser.UserInterface.Mobile.csproj
@@ -149,6 +149,9 @@
     <Compile Include="Controls\Taskview\WindowControl.xaml.cs">
       <DependentUpon>WindowControl.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Windows\ExamSelectionDialog.xaml.cs">
+      <DependentUpon>ExamSelectionDialog.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Windows\FileSystemDialog.xaml.cs">
       <DependentUpon>FileSystemDialog.xaml</DependentUpon>
     </Compile>
@@ -172,6 +175,9 @@
     <Compile Include="Windows\RuntimeWindow.xaml.cs">
       <DependentUpon>RuntimeWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Windows\ServerFailureDialog.xaml.cs">
+      <DependentUpon>ServerFailureDialog.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Windows\SplashScreen.xaml.cs">
       <DependentUpon>SplashScreen.xaml</DependentUpon>
     </Compile>
@@ -374,6 +380,10 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
+    <Page Include="Windows\ExamSelectionDialog.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Windows\FileSystemDialog.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -474,6 +484,10 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
+    <Page Include="Windows\ServerFailureDialog.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Windows\SplashScreen.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
diff --git a/SafeExamBrowser.UserInterface.Mobile/UserInterfaceFactory.cs b/SafeExamBrowser.UserInterface.Mobile/UserInterfaceFactory.cs
index 6c09dd43..4535b2c9 100644
--- a/SafeExamBrowser.UserInterface.Mobile/UserInterfaceFactory.cs
+++ b/SafeExamBrowser.UserInterface.Mobile/UserInterfaceFactory.cs
@@ -84,8 +84,7 @@ namespace SafeExamBrowser.UserInterface.Mobile
 
 		public IExamSelectionDialog CreateExamSelectionDialog(IEnumerable<Exam> exams)
 		{
-			// TODO
-			throw new System.NotImplementedException();
+			return Application.Current.Dispatcher.Invoke(() => new ExamSelectionDialog(exams, text));
 		}
 
 		public ISystemControl CreateKeyboardLayoutControl(IKeyboard keyboard, Location location)
@@ -170,8 +169,7 @@ namespace SafeExamBrowser.UserInterface.Mobile
 
 		public IServerFailureDialog CreateServerFailureDialog(string info, bool showFallback)
 		{
-			// TODO
-			throw new System.NotImplementedException();
+			return Application.Current.Dispatcher.Invoke(() => new ServerFailureDialog(info, showFallback, text));
 		}
 
 		public ISplashScreen CreateSplashScreen(AppConfig appConfig = null)
diff --git a/SafeExamBrowser.UserInterface.Mobile/Windows/ExamSelectionDialog.xaml b/SafeExamBrowser.UserInterface.Mobile/Windows/ExamSelectionDialog.xaml
new file mode 100644
index 00000000..f0742ecd
--- /dev/null
+++ b/SafeExamBrowser.UserInterface.Mobile/Windows/ExamSelectionDialog.xaml
@@ -0,0 +1,61 @@
+<Window x:Class="SafeExamBrowser.UserInterface.Mobile.Windows.ExamSelectionDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:fa="http://schemas.fontawesome.io/icons/"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:SafeExamBrowser.UserInterface.Mobile.Windows"
+        mc:Ignorable="d" Background="Transparent" Height="750" Width="1000" FontSize="16" ResizeMode="NoResize" Topmost="True" AllowsTransparency="True" WindowStyle="None">
+    <Window.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="../Templates/Colors.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Window.Resources>
+    <Grid Background="#66000000">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <Grid Grid.Row="0" />
+        <Grid Grid.Row="1" Background="White">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="Auto" />
+                    <ColumnDefinition Width="*" />
+                </Grid.ColumnDefinitions>
+                <fa:ImageAwesome Grid.Column="0" Foreground="LightGray" Icon="PencilSquareOutline" Margin="50" Width="75" />
+                <Grid Grid.Column="1" Margin="0,0,50,50">
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="*" />
+                    </Grid.RowDefinitions>
+                    <TextBlock Grid.Row="0" x:Name="Message" Margin="0,25" TextWrapping="WrapWithOverflow" VerticalAlignment="Bottom" />
+                    <ListBox Grid.Row="1" x:Name="ExamList" Cursor="Hand">
+                        <ListBox.ItemTemplate>
+                            <DataTemplate>
+                                <StackPanel Orientation="Vertical">
+                                    <TextBlock FontWeight="Bold" Text="{Binding Name}" />
+                                    <StackPanel Orientation="Horizontal">
+                                        <TextBlock Margin="0,0,5,0" Text="{Binding Id}" />
+                                        <TextBlock Margin="0,0,5,0" Text="-" />
+                                        <TextBlock FontStyle="Italic" Text="{Binding LmsName}" />
+                                    </StackPanel>
+                                </StackPanel>
+                            </DataTemplate>
+                        </ListBox.ItemTemplate>
+                    </ListBox>
+                </Grid>
+            </Grid>
+        </Grid>
+        <Grid Grid.Row="2" Background="{StaticResource BackgroundBrush}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
+            <WrapPanel Orientation="Horizontal" Margin="50,25" HorizontalAlignment="Right" VerticalAlignment="Center">
+                <Button x:Name="SelectButton" Cursor="Hand" Margin="10,0" Padding="10,5" MinWidth="75" IsEnabled="False" />
+                <Button x:Name="CancelButton" Cursor="Hand" Padding="10,5" MinWidth="75" />
+            </WrapPanel>
+        </Grid>
+    </Grid>
+</Window>
diff --git a/SafeExamBrowser.UserInterface.Mobile/Windows/ExamSelectionDialog.xaml.cs b/SafeExamBrowser.UserInterface.Mobile/Windows/ExamSelectionDialog.xaml.cs
new file mode 100644
index 00000000..ded33854
--- /dev/null
+++ b/SafeExamBrowser.UserInterface.Mobile/Windows/ExamSelectionDialog.xaml.cs
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2020 ETH Zürich, Educational Development and Technology (LET)
+ *
+ * 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.Collections.Generic;
+using System.ComponentModel;
+using System.Windows;
+using System.Windows.Controls;
+using SafeExamBrowser.I18n.Contracts;
+using SafeExamBrowser.Server.Contracts.Data;
+using SafeExamBrowser.UserInterface.Contracts.Windows;
+using SafeExamBrowser.UserInterface.Contracts.Windows.Data;
+
+namespace SafeExamBrowser.UserInterface.Mobile.Windows
+{
+	public partial class ExamSelectionDialog : Window, IExamSelectionDialog
+	{
+		private readonly IText text;
+
+		public ExamSelectionDialog(IEnumerable<Exam> exams, IText text)
+		{
+			this.text = text;
+
+			InitializeComponent();
+			InitializeExamSelectionDialog(exams);
+		}
+
+		public ExamSelectionDialogResult Show(IWindow parent = null)
+		{
+			return Dispatcher.Invoke(() =>
+			{
+				var result = new ExamSelectionDialogResult { Success = false };
+
+				if (parent is Window)
+				{
+					Owner = parent as Window;
+					WindowStartupLocation = WindowStartupLocation.CenterOwner;
+				}
+
+				InitializeBounds();
+
+				if (ShowDialog() is true)
+				{
+					result.SelectedExam = ExamList.SelectedItem as Exam;
+					result.Success = true;
+				}
+
+				return result;
+			});
+		}
+
+		private void InitializeBounds()
+		{
+			Left = 0;
+			Top = 0;
+			Height = SystemParameters.PrimaryScreenHeight;
+			Width = SystemParameters.PrimaryScreenWidth;
+		}
+
+		private void InitializeExamSelectionDialog(IEnumerable<Exam> exams)
+		{
+			InitializeBounds();
+
+			Message.Text = text.Get(TextKey.ExamSelectionDialog_Message);
+			Title = text.Get(TextKey.ExamSelectionDialog_Title);
+			WindowStartupLocation = WindowStartupLocation.CenterScreen;
+
+			CancelButton.Content = text.Get(TextKey.ExamSelectionDialog_Cancel);
+			CancelButton.Click += CancelButton_Click;
+
+			SelectButton.Content = text.Get(TextKey.ExamSelectionDialog_Select);
+			SelectButton.Click += ConfirmButton_Click;
+
+			ExamList.ItemsSource = exams;
+			ExamList.SelectionChanged += ExamList_SelectionChanged;
+
+			Loaded += (o, args) => Activate();
+
+			SystemParameters.StaticPropertyChanged += SystemParameters_StaticPropertyChanged;
+		}
+
+		private void CancelButton_Click(object sender, RoutedEventArgs e)
+		{
+			DialogResult = false;
+			Close();
+		}
+
+		private void ConfirmButton_Click(object sender, RoutedEventArgs e)
+		{
+			DialogResult = true;
+			Close();
+		}
+
+		private void ExamList_SelectionChanged(object sender, SelectionChangedEventArgs e)
+		{
+			SelectButton.IsEnabled = ExamList.SelectedItem != null;
+		}
+
+		private void SystemParameters_StaticPropertyChanged(object sender, PropertyChangedEventArgs e)
+		{
+			if (e.PropertyName == nameof(SystemParameters.WorkArea))
+			{
+				Dispatcher.InvokeAsync(InitializeBounds);
+			}
+		}
+	}
+}
diff --git a/SafeExamBrowser.UserInterface.Mobile/Windows/ServerFailureDialog.xaml b/SafeExamBrowser.UserInterface.Mobile/Windows/ServerFailureDialog.xaml
new file mode 100644
index 00000000..77077268
--- /dev/null
+++ b/SafeExamBrowser.UserInterface.Mobile/Windows/ServerFailureDialog.xaml
@@ -0,0 +1,45 @@
+<Window x:Class="SafeExamBrowser.UserInterface.Mobile.Windows.ServerFailureDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:fa="http://schemas.fontawesome.io/icons/"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:SafeExamBrowser.UserInterface.Mobile.Windows"
+        mc:Ignorable="d" Background="Transparent" Height="750" Width="1000" FontSize="16" ResizeMode="NoResize" Topmost="True" AllowsTransparency="True" WindowStyle="None">
+    <Window.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="../Templates/Colors.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Window.Resources>
+    <Grid Background="#66000000">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <Grid Grid.Row="0" />
+        <Grid Grid.Row="1" Background="White">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="Auto" />
+                    <ColumnDefinition Width="*" />
+                </Grid.ColumnDefinitions>
+                <fa:ImageAwesome Grid.Column="0" Foreground="LightGray" Icon="Warning" Margin="50" Width="75" />
+                <WrapPanel Grid.Column="1" Margin="0,0,50,0" Orientation="Vertical" VerticalAlignment="Center">
+                    <TextBlock x:Name="Message" TextWrapping="WrapWithOverflow" />
+                    <TextBlock x:Name="Info" FontFamily="Courier New" Margin="0,10,0,0" TextWrapping="WrapWithOverflow" />
+                </WrapPanel>
+            </Grid>
+        </Grid>
+        <Grid Grid.Row="2" Background="{StaticResource BackgroundBrush}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
+            <WrapPanel Orientation="Horizontal" Margin="50,25" HorizontalAlignment="Right" VerticalAlignment="Center">
+                <Button x:Name="RetryButton" Cursor="Hand" Margin="10,0" Padding="10,5" MinWidth="75" />
+                <Button x:Name="FallbackButton" Cursor="Hand" Margin="0,0,10,0" Padding="10,5" MinWidth="75" />
+                <Button x:Name="AbortButton" Cursor="Hand" Padding="10,5" MinWidth="75" />
+            </WrapPanel>
+        </Grid>
+    </Grid>
+</Window>
diff --git a/SafeExamBrowser.UserInterface.Mobile/Windows/ServerFailureDialog.xaml.cs b/SafeExamBrowser.UserInterface.Mobile/Windows/ServerFailureDialog.xaml.cs
new file mode 100644
index 00000000..a6b4c254
--- /dev/null
+++ b/SafeExamBrowser.UserInterface.Mobile/Windows/ServerFailureDialog.xaml.cs
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2020 ETH Zürich, Educational Development and Technology (LET)
+ * 
+ * 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);
+			}
+		}
+	}
+}