SEBSP-61: Implemented basic metadata collection & transmission.

SafeExamBrowser.Applications.Contracts/IApplication.cs

@@ -16,7 +16,7 @@ namespace SafeExamBrowser.Applications.Contracts
 	/// <summary>
 	/// Controls the lifetime and functionality of an application.
 	/// </summary>
-	public interface IApplication
+	public interface IApplication<out TWindow> where TWindow : IApplicationWindow
 	{
 		/// <summary>
 		/// Indicates whether the application should be automatically started.
@@ -51,7 +51,7 @@ namespace SafeExamBrowser.Applications.Contracts
 		/// <summary>
 		/// Returns all windows of the application.
 		/// </summary>
-		IEnumerable<IApplicationWindow> GetWindows();
+		IEnumerable<TWindow> GetWindows();
 
 		/// <summary>
 		/// Performs any initialization work, if necessary.

SafeExamBrowser.Applications.Contracts/IApplicationFactory.cs

@@ -18,6 +18,6 @@ namespace SafeExamBrowser.Applications.Contracts
 		/// <summary>
 		/// Attempts to create an application according to the given settings.
 		/// </summary>
-		FactoryResult TryCreate(WhitelistApplication settings, out IApplication application);
+		FactoryResult TryCreate(WhitelistApplication settings, out IApplication<IApplicationWindow> application);
 	}
 }

SafeExamBrowser.Applications.Contracts/IApplicationWindow.cs

@@ -13,7 +13,7 @@ using SafeExamBrowser.Core.Contracts.Resources.Icons;
 namespace SafeExamBrowser.Applications.Contracts
 {
 	/// <summary>
-	/// Defines a window of an <see cref="IApplication"/>.
+	/// Defines a window of an <see cref="IApplication{TWindow}"/>.
 	/// </summary>
 	public interface IApplicationWindow
 	{

SafeExamBrowser.Applications/ApplicationFactory.cs

@@ -40,7 +40,7 @@ namespace SafeExamBrowser.Applications
 			this.registry = registry;
 		}
 
-		public FactoryResult TryCreate(WhitelistApplication settings, out IApplication application)
+		public FactoryResult TryCreate(WhitelistApplication settings, out IApplication<IApplicationWindow> application)
 		{
 			var name = $"'{settings.DisplayName}' ({settings.ExecutableName})";
 
@@ -72,7 +72,7 @@ namespace SafeExamBrowser.Applications
 			return FactoryResult.Error;
 		}
 
-		private IApplication BuildApplication(string executablePath, WhitelistApplication settings)
+		private IApplication<IApplicationWindow> BuildApplication(string executablePath, WhitelistApplication settings)
 		{
 			const int ONE_SECOND = 1000;
 

SafeExamBrowser.Applications/ExternalApplication.cs

@@ -19,7 +19,7 @@ using SafeExamBrowser.WindowsApi.Contracts;
 
 namespace SafeExamBrowser.Applications
 {
-	internal class ExternalApplication : IApplication
+	internal class ExternalApplication : IApplication<IApplicationWindow>
 	{
 		private readonly object @lock = new object();
 

SafeExamBrowser.Browser.Contracts/IBrowserApplication.cs

@@ -14,7 +14,7 @@ namespace SafeExamBrowser.Browser.Contracts
 	/// <summary>
 	/// Controls the lifetime and functionality of the browser application.
 	/// </summary>
-	public interface IBrowserApplication : IApplication
+	public interface IBrowserApplication : IApplication<IBrowserWindow>
 	{
 		/// <summary>
 		/// Event fired when the browser application detects a download request for an application configuration file.

SafeExamBrowser.Browser.Contracts/IBrowserWindow.cs

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2023 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 SafeExamBrowser.Applications.Contracts;
+
+namespace SafeExamBrowser.Browser.Contracts
+{
+	/// <summary>
+	/// Defines a window of the <see cref="IBrowserApplication"/>.
+	/// </summary>
+	public interface IBrowserWindow : IApplicationWindow
+	{
+		/// <summary>
+		/// Indicates whether the window is the main browser window.
+		/// </summary>
+		bool IsMainWindow { get; }
+
+		/// <summary>
+		/// The currently loaded URL, or <c>default(string)</c> in case no navigation has happened yet.
+		/// </summary>
+		string Url { get; }
+	}
+}

SafeExamBrowser.Browser.Contracts/SafeExamBrowser.Browser.Contracts.csproj

@@ -67,6 +67,7 @@
     <Compile Include="Filters\IRuleFactory.cs" />
     <Compile Include="Filters\Request.cs" />
     <Compile Include="IBrowserApplication.cs" />
+    <Compile Include="IBrowserWindow.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>

SafeExamBrowser.Browser/BrowserApplication.cs

@@ -14,7 +14,6 @@ using System.Linq;
 using System.Threading;
 using CefSharp;
 using CefSharp.WinForms;
-using SafeExamBrowser.Applications.Contracts;
 using SafeExamBrowser.Applications.Contracts.Events;
 using SafeExamBrowser.Browser.Contracts;
 using SafeExamBrowser.Browser.Contracts.Events;
@@ -99,9 +98,9 @@ namespace SafeExamBrowser.Browser
 			});
 		}
 
-		public IEnumerable<IApplicationWindow> GetWindows()
+		public IEnumerable<IBrowserWindow> GetWindows()
 		{
-			return new List<IApplicationWindow>(windows);
+			return new List<IBrowserWindow>(windows);
 		}
 
 		public void Initialize()

SafeExamBrowser.Browser/BrowserWindow.cs

@@ -13,7 +13,6 @@ using System.Threading.Tasks;
 using CefSharp;
 using CefSharp.WinForms.Handler;
 using CefSharp.WinForms.Host;
-using SafeExamBrowser.Applications.Contracts;
 using SafeExamBrowser.Applications.Contracts.Events;
 using SafeExamBrowser.Browser.Contracts.Events;
 using SafeExamBrowser.Browser.Contracts.Filters;
@@ -43,7 +42,7 @@ using TitleChangedEventHandler = SafeExamBrowser.Applications.Contracts.Events.T
 
 namespace SafeExamBrowser.Browser
 {
-	internal class BrowserWindow : IApplicationWindow
+	internal class BrowserWindow : Contracts.IBrowserWindow
 	{
 		private const string CLEAR_FIND_TERM = "thisisahacktoclearthesearchresultsasitappearsthatthereisnosuchfunctionalityincef";
 		private const double ZOOM_FACTOR = 0.2;
@@ -52,7 +51,6 @@ namespace SafeExamBrowser.Browser
 		private readonly IFileSystemDialog fileSystemDialog;
 		private readonly IHashAlgorithm hashAlgorithm;
 		private readonly HttpClient httpClient;
-		private readonly bool isMainWindow;
 		private readonly IKeyGenerator keyGenerator;
 		private readonly IModuleLogger logger;
 		private readonly IMessageBox messageBox;
@@ -69,7 +67,7 @@ namespace SafeExamBrowser.Browser
 
 		private WindowSettings WindowSettings
 		{
-			get { return isMainWindow ? settings.MainWindow : settings.AdditionalWindow; }
+			get { return IsMainWindow ? settings.MainWindow : settings.AdditionalWindow; }
 		}
 
 		internal IBrowserControl Control { get; private set; }
@@ -77,7 +75,9 @@ namespace SafeExamBrowser.Browser
 
 		public IntPtr Handle { get; private set; }
 		public IconResource Icon { get; private set; }
+		public bool IsMainWindow { get; private set; }
 		public string Title { get; private set; }
+		public string Url { get; private set; }
 
 		internal event WindowClosedEventHandler Closed;
 		internal event DownloadRequestedEventHandler ConfigurationDownloadRequested;
@@ -110,7 +110,7 @@ namespace SafeExamBrowser.Browser
 			this.hashAlgorithm = hashAlgorithm;
 			this.httpClient = new HttpClient();
 			this.Id = id;
-			this.isMainWindow = isMainWindow;
+			this.IsMainWindow = isMainWindow;
 			this.keyGenerator = keyGenerator;
 			this.logger = logger;
 			this.messageBox = messageBox;
@@ -162,7 +162,7 @@ namespace SafeExamBrowser.Browser
 
 			Icon = new BrowserIconResource();
 
-			if (isMainWindow)
+			if (IsMainWindow)
 			{
 				cefSharpControl = new CefSharpBrowserControl(CreateLifeSpanHandlerForMainWindow(), startUrl);
 			}
@@ -203,7 +203,7 @@ namespace SafeExamBrowser.Browser
 
 		internal void InitializeWindow()
 		{
-			window = uiFactory.CreateBrowserWindow(Control, settings, isMainWindow, this.logger);
+			window = uiFactory.CreateBrowserWindow(Control, settings, IsMainWindow, this.logger);
 			window.AddressChanged += Window_AddressChanged;
 			window.BackwardNavigationRequested += Window_BackwardNavigationRequested;
 			window.Closed += Window_Closed;
@@ -267,6 +267,8 @@ namespace SafeExamBrowser.Browser
 		private void Control_AddressChanged(string address)
 		{
 			logger.Info($"Navigated{(WindowSettings.UrlPolicy.CanLog() ? $" to '{address}'" : "")}.");
+
+			Url = address;
 			window.UpdateAddress(address);
 
 			if (WindowSettings.UrlPolicy == UrlPolicy.Always || WindowSettings.UrlPolicy == UrlPolicy.BeforeTitle)
@@ -440,7 +442,7 @@ namespace SafeExamBrowser.Browser
 
 		private void HomeNavigationRequested()
 		{
-			if (isMainWindow && (settings.UseStartUrlAsHomeUrl || !string.IsNullOrWhiteSpace(settings.HomeUrl)))
+			if (IsMainWindow && (settings.UseStartUrlAsHomeUrl || !string.IsNullOrWhiteSpace(settings.HomeUrl)))
 			{
 				var navigate = false;
 				var url = settings.UseStartUrlAsHomeUrl ? settings.StartUrl : settings.HomeUrl;

SafeExamBrowser.Client.UnitTests/ClientControllerTests.cs

@@ -41,6 +41,7 @@ using SafeExamBrowser.UserInterface.Contracts.Shell;
 using SafeExamBrowser.UserInterface.Contracts.Windows;
 using SafeExamBrowser.UserInterface.Contracts.Windows.Data;
 using SafeExamBrowser.WindowsApi.Contracts;
+using IWindow = SafeExamBrowser.UserInterface.Contracts.Windows.IWindow;
 
 namespace SafeExamBrowser.Client.UnitTests
 {
@@ -603,7 +604,7 @@ namespace SafeExamBrowser.Client.UnitTests
 		[TestMethod]
 		public void Operations_MustAskForApplicationPath()
 		{
-			var args = new ApplicationNotFoundEventArgs(default(string), default(string));
+			var args = new ApplicationNotFoundEventArgs(default, default);
 			var result = new FileSystemDialogResult { FullPath = @"C:\Some\random\path\", Success = true };
 
 			fileSystemDialog.Setup(d => d.Show(
@@ -627,7 +628,7 @@ namespace SafeExamBrowser.Client.UnitTests
 		[TestMethod]
 		public void Operations_MustAbortAskingForApplicationPath()
 		{
-			var args = new ApplicationNotFoundEventArgs(default(string), default(string));
+			var args = new ApplicationNotFoundEventArgs(default, default);
 			var result = new FileSystemDialogResult { Success = false };
 
 			fileSystemDialog.Setup(d => d.Show(
@@ -651,7 +652,7 @@ namespace SafeExamBrowser.Client.UnitTests
 		[TestMethod]
 		public void Operations_MustInformAboutFailedApplicationInitialization()
 		{
-			var args = new ApplicationInitializationFailedEventArgs(default(string), default(string), FactoryResult.NotFound);
+			var args = new ApplicationInitializationFailedEventArgs(default, default, FactoryResult.NotFound);
 
 			text.SetReturnsDefault(string.Empty);
 			sut.TryStart();
@@ -1172,9 +1173,9 @@ namespace SafeExamBrowser.Client.UnitTests
 		[TestMethod]
 		public void Startup_MustAutoStartApplications()
 		{
-			var application1 = new Mock<IApplication>();
+			var application1 = new Mock<IApplication<IApplicationWindow>>();
-			var application2 = new Mock<IApplication>();
+			var application2 = new Mock<IApplication<IApplicationWindow>>();
-			var application3 = new Mock<IApplication>();
+			var application3 = new Mock<IApplication<IApplicationWindow>>();
 
 			application1.SetupGet(a => a.AutoStart).Returns(true);
 			application2.SetupGet(a => a.AutoStart).Returns(false);

SafeExamBrowser.Client.UnitTests/Operations/ApplicationOperationTests.cs

@@ -55,7 +55,7 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 			var initialization = new InitializationResult();
 			var args = default(ActionRequiredEventArgs);
 
-			initialization.RunningApplications.Add(new RunningApplication(default(string)));
+			initialization.RunningApplications.Add(new RunningApplication(default));
 			monitor.Setup(m => m.Initialize(It.IsAny<ApplicationSettings>())).Returns(initialization);
 			sut.ActionRequired += (a) =>
 			{
@@ -79,7 +79,7 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 		[TestMethod]
 		public void Perform_MustAbortIfUserCancelsApplicationLocationSelection()
 		{
-			var application = new Mock<IApplication>().Object;
+			var application = new Mock<IApplication<IApplicationWindow>>().Object;
 			var applicationSettings = new WhitelistApplication { AllowCustomPath = true };
 			var args = default(ActionRequiredEventArgs);
 
@@ -107,7 +107,7 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 		[TestMethod]
 		public void Perform_MustAllowUserToChooseApplicationLocation()
 		{
-			var application = new Mock<IApplication>().Object;
+			var application = new Mock<IApplication<IApplicationWindow>>().Object;
 			var applicationSettings = new WhitelistApplication { AllowCustomPath = true };
 			var args = default(ActionRequiredEventArgs);
 			var attempt = 0;
@@ -138,7 +138,7 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 		[TestMethod]
 		public void Perform_MustDenyApplicationLocationSelection()
 		{
-			var application = new Mock<IApplication>().Object;
+			var application = new Mock<IApplication<IApplicationWindow>>().Object;
 			var applicationSettings = new WhitelistApplication { AllowCustomPath = false };
 			var args = default(ActionRequiredEventArgs);
 
@@ -169,7 +169,7 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 			var initialization = new InitializationResult();
 			var args = default(ActionRequiredEventArgs);
 
-			initialization.FailedAutoTerminations.Add(new RunningApplication(default(string)));
+			initialization.FailedAutoTerminations.Add(new RunningApplication(default));
 			monitor.Setup(m => m.Initialize(It.IsAny<ApplicationSettings>())).Returns(initialization);
 			sut.ActionRequired += (a) => args = a;
 
@@ -185,7 +185,7 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 		[TestMethod]
 		public void Perform_MustFailIfTerminationFails()
 		{
-			var application = new RunningApplication(default(string));
+			var application = new RunningApplication(default);
 			var initialization = new InitializationResult();
 			var args = new List<ActionRequiredEventArgs>();
 
@@ -215,7 +215,7 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 		[TestMethod]
 		public void Perform_MustIndicateApplicationInitializationFailure()
 		{
-			var application = new Mock<IApplication>().Object;
+			var application = new Mock<IApplication<IApplicationWindow>>().Object;
 			var applicationSettings = new WhitelistApplication();
 			var args = default(ActionRequiredEventArgs);
 
@@ -235,9 +235,9 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 		[TestMethod]
 		public void Perform_MustInitializeApplications()
 		{
-			var application1 = new Mock<IApplication>().Object;
+			var application1 = new Mock<IApplication<IApplicationWindow>>().Object;
-			var application2 = new Mock<IApplication>().Object;
+			var application2 = new Mock<IApplication<IApplicationWindow>>().Object;
-			var application3 = new Mock<IApplication>().Object;
+			var application3 = new Mock<IApplication<IApplicationWindow>>().Object;
 			var application1Settings = new WhitelistApplication();
 			var application2Settings = new WhitelistApplication();
 			var application3Settings = new WhitelistApplication();
@@ -297,9 +297,9 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 		[TestMethod]
 		public void Perform_MustTerminateRunningApplications()
 		{
-			var application1 = new RunningApplication(default(string));
+			var application1 = new RunningApplication(default);
-			var application2 = new RunningApplication(default(string));
+			var application2 = new RunningApplication(default);
-			var application3 = new RunningApplication(default(string));
+			var application3 = new RunningApplication(default);
 			var initialization = new InitializationResult();
 			var args = default(ActionRequiredEventArgs);
 
@@ -362,9 +362,9 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 		[TestMethod]
 		public void Revert_MustTerminateApplications()
 		{
-			var application1 = new Mock<IApplication>();
+			var application1 = new Mock<IApplication<IApplicationWindow>>();
-			var application2 = new Mock<IApplication>();
+			var application2 = new Mock<IApplication<IApplicationWindow>>();
-			var application3 = new Mock<IApplication>();
+			var application3 = new Mock<IApplication<IApplicationWindow>>();
 
 			context.Applications.Add(application1.Object);
 			context.Applications.Add(application2.Object);

SafeExamBrowser.Client.UnitTests/Operations/BrowserOperationTests.cs

@@ -58,7 +58,7 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 			sut.Perform();
 
 			browser.Verify(c => c.Initialize(), Times.Once);
-			taskview.Verify(t => t.Add(It.Is<IApplication>(a => a == context.Browser)), Times.Once);
+			taskview.Verify(t => t.Add(It.Is<IApplication<IApplicationWindow>>(a => a == context.Browser)), Times.Once);
 		}
 
 		[TestMethod]
@@ -73,7 +73,7 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 			actionCenter.Verify(a => a.AddApplicationControl(It.IsAny<IApplicationControl>(), true), Times.Never);
 			browser.Verify(c => c.Initialize(), Times.Never);
 			taskbar.Verify(t => t.AddApplicationControl(It.IsAny<IApplicationControl>(), true), Times.Never);
-			taskview.Verify(t => t.Add(It.Is<IApplication>(a => a == context.Browser)), Times.Never);
+			taskview.Verify(t => t.Add(It.Is<IApplication<IApplicationWindow>>(a => a == context.Browser)), Times.Never);
 		}
 
 		[TestMethod]

SafeExamBrowser.Client.UnitTests/Operations/ShellOperationTests.cs

@@ -116,11 +116,11 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 		[TestMethod]
 		public void Perform_MustInitializeApplications()
 		{
-			var application1 = new Mock<IApplication>();
+			var application1 = new Mock<IApplication<IApplicationWindow>>();
 			var application1Settings = new WhitelistApplication { ShowInShell = true };
-			var application2 = new Mock<IApplication>();
+			var application2 = new Mock<IApplication<IApplicationWindow>>();
 			var application2Settings = new WhitelistApplication { ShowInShell = false };
-			var application3 = new Mock<IApplication>();
+			var application3 = new Mock<IApplication<IApplicationWindow>>();
 			var application3Settings = new WhitelistApplication { ShowInShell = true };
 
 			application1.SetupGet(a => a.Id).Returns(application1Settings.Id);
@@ -140,25 +140,25 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 
 			actionCenter.Verify(a => a.AddApplicationControl(It.IsAny<IApplicationControl>(), false), Times.Exactly(2));
 			taskbar.Verify(t => t.AddApplicationControl(It.IsAny<IApplicationControl>(), false), Times.Exactly(2));
-			taskview.Verify(t => t.Add(It.Is<IApplication>(a => a == application1.Object)), Times.Once);
+			taskview.Verify(t => t.Add(It.Is<IApplication<IApplicationWindow>>(a => a == application1.Object)), Times.Once);
-			taskview.Verify(t => t.Add(It.Is<IApplication>(a => a == application2.Object)), Times.Once);
+			taskview.Verify(t => t.Add(It.Is<IApplication<IApplicationWindow>>(a => a == application2.Object)), Times.Once);
-			taskview.Verify(t => t.Add(It.Is<IApplication>(a => a == application3.Object)), Times.Once);
+			taskview.Verify(t => t.Add(It.Is<IApplication<IApplicationWindow>>(a => a == application3.Object)), Times.Once);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application1.Object), Location.ActionCenter), Times.Once);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application1.Object), Location.ActionCenter), Times.Once);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application1.Object), Location.Taskbar), Times.Once);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application1.Object), Location.Taskbar), Times.Once);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application2.Object), Location.ActionCenter), Times.Never);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application2.Object), Location.ActionCenter), Times.Never);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application2.Object), Location.Taskbar), Times.Never);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application2.Object), Location.Taskbar), Times.Never);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application3.Object), Location.ActionCenter), Times.Once);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application3.Object), Location.ActionCenter), Times.Once);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application3.Object), Location.Taskbar), Times.Once);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application3.Object), Location.Taskbar), Times.Once);
 		}
 
 		[TestMethod]
 		public void Perform_MustNotAddApplicationsToShellIfNotEnabled()
 		{
-			var application1 = new Mock<IApplication>();
+			var application1 = new Mock<IApplication<IApplicationWindow>>();
 			var application1Settings = new WhitelistApplication { ShowInShell = true };
-			var application2 = new Mock<IApplication>();
+			var application2 = new Mock<IApplication<IApplicationWindow>>();
 			var application2Settings = new WhitelistApplication { ShowInShell = true };
-			var application3 = new Mock<IApplication>();
+			var application3 = new Mock<IApplication<IApplicationWindow>>();
 			var application3Settings = new WhitelistApplication { ShowInShell = true };
 
 			application1.SetupGet(a => a.Id).Returns(application1Settings.Id);
@@ -178,15 +178,15 @@ namespace SafeExamBrowser.Client.UnitTests.Operations
 
 			actionCenter.Verify(a => a.AddApplicationControl(It.IsAny<IApplicationControl>(), false), Times.Never);
 			taskbar.Verify(t => t.AddApplicationControl(It.IsAny<IApplicationControl>(), false), Times.Never);
-			taskview.Verify(t => t.Add(It.Is<IApplication>(a => a == application1.Object)), Times.Once);
+			taskview.Verify(t => t.Add(It.Is<IApplication<IApplicationWindow>>(a => a == application1.Object)), Times.Once);
-			taskview.Verify(t => t.Add(It.Is<IApplication>(a => a == application2.Object)), Times.Once);
+			taskview.Verify(t => t.Add(It.Is<IApplication<IApplicationWindow>>(a => a == application2.Object)), Times.Once);
-			taskview.Verify(t => t.Add(It.Is<IApplication>(a => a == application3.Object)), Times.Once);
+			taskview.Verify(t => t.Add(It.Is<IApplication<IApplicationWindow>>(a => a == application3.Object)), Times.Once);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application1.Object), Location.ActionCenter), Times.Never);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application1.Object), Location.ActionCenter), Times.Never);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application1.Object), Location.Taskbar), Times.Never);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application1.Object), Location.Taskbar), Times.Never);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application2.Object), Location.ActionCenter), Times.Never);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application2.Object), Location.ActionCenter), Times.Never);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application2.Object), Location.Taskbar), Times.Never);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application2.Object), Location.Taskbar), Times.Never);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application3.Object), Location.ActionCenter), Times.Never);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application3.Object), Location.ActionCenter), Times.Never);
-			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication>(a => a == application3.Object), Location.Taskbar), Times.Never);
+			uiFactory.Verify(f => f.CreateApplicationControl(It.Is<IApplication<IApplicationWindow>>(a => a == application3.Object), Location.Taskbar), Times.Never);
 		}
 
 		[TestMethod]

SafeExamBrowser.Client/ClientContext.cs

@@ -32,7 +32,7 @@ namespace SafeExamBrowser.Client
 		/// <summary>
 		/// All applications allowed for the current session.
 		/// </summary>
-		internal IList<IApplication> Applications { get; }
+		internal IList<IApplication<IApplicationWindow>> Applications { get; }
 
 		/// <summary>
 		/// The global application configuration.
@@ -72,7 +72,7 @@ namespace SafeExamBrowser.Client
 		internal ClientContext()
 		{
 			Activators = new List<IActivator>();
-			Applications = new List<IApplication>();
+			Applications = new List<IApplication<IApplicationWindow>>();
 		}
 	}
 }

SafeExamBrowser.Client/CompositionRoot.cs

@@ -73,6 +73,7 @@ namespace SafeExamBrowser.Client
 		private UserInterfaceMode uiMode;
 
 		private IActionCenter actionCenter;
+		private ApplicationMonitor applicationMonitor;
 		private ILogger logger;
 		private IMessageBox messageBox;
 		private INativeMethods nativeMethods;
@@ -95,6 +96,7 @@ namespace SafeExamBrowser.Client
 			InitializeLogging();
 			InitializeText();
 
+			var processFactory = new ProcessFactory(ModuleLogger(nameof(ProcessFactory)));
 			var registry = new Registry(ModuleLogger(nameof(Registry)));
 
 			uiFactory = BuildUserInterfaceFactory();
@@ -102,6 +104,7 @@ namespace SafeExamBrowser.Client
 			context = new ClientContext();
 			messageBox = BuildMessageBox();
 			nativeMethods = new NativeMethods();
+			applicationMonitor = new ApplicationMonitor(TWO_SECONDS, ModuleLogger(nameof(ApplicationMonitor)), nativeMethods, processFactory);
 			networkAdapter = new NetworkAdapter(ModuleLogger(nameof(NetworkAdapter)), nativeMethods);
 			runtimeProxy = new RuntimeProxy(runtimeHostUri, new ProxyObjectFactory(), ModuleLogger(nameof(RuntimeProxy)), Interlocutor.Client);
 			systemInfo = new SystemInfo(registry);
@@ -109,8 +112,6 @@ namespace SafeExamBrowser.Client
 			taskview = uiFactory.CreateTaskview();
 			userInfo = new UserInfo(ModuleLogger(nameof(UserInfo)));
 
-			var processFactory = new ProcessFactory(ModuleLogger(nameof(ProcessFactory)));
-			var applicationMonitor = new ApplicationMonitor(TWO_SECONDS, ModuleLogger(nameof(ApplicationMonitor)), nativeMethods, processFactory);
 			var applicationFactory = new ApplicationFactory(applicationMonitor, ModuleLogger(nameof(ApplicationFactory)), nativeMethods, processFactory, new Registry(ModuleLogger(nameof(Registry))));
 			var clipboard = new Clipboard(ModuleLogger(nameof(Clipboard)), nativeMethods);
 			var displayMonitor = new DisplayMonitor(ModuleLogger(nameof(DisplayMonitor)), nativeMethods, systemInfo);
@@ -288,7 +289,16 @@ namespace SafeExamBrowser.Client
 
 		private IOperation BuildProctoringOperation()
 		{
-			var controller = new ProctoringController(context.AppConfig, new FileSystem(), ModuleLogger(nameof(ProctoringController)), nativeMethods, context.Server, text, uiFactory);
+			var controller = new ProctoringController(
+				context.AppConfig,
+				applicationMonitor,
+				context.Browser,
+				new FileSystem(),
+				ModuleLogger(nameof(ProctoringController)),
+				nativeMethods,
+				context.Server,
+				text,
+				uiFactory);
 			var operation = new ProctoringOperation(actionCenter, context, controller, logger, taskbar, uiFactory);
 
 			return operation;

SafeExamBrowser.Client/Operations/BrowserOperation.cs

@@ -17,11 +17,11 @@ namespace SafeExamBrowser.Client.Operations
 {
 	internal class BrowserOperation : ClientOperation
 	{
-		private IActionCenter actionCenter;
+		private readonly IActionCenter actionCenter;
-		private ILogger logger;
+		private readonly ILogger logger;
-		private ITaskbar taskbar;
+		private readonly ITaskbar taskbar;
-		private ITaskview taskview;
+		private readonly ITaskview taskview;
-		private IUserInterfaceFactory uiFactory;
+		private readonly IUserInterfaceFactory uiFactory;
 
 		public override event ActionRequiredEventHandler ActionRequired { add { } remove { } }
 		public override event StatusChangedEventHandler StatusChanged;

SafeExamBrowser.Monitoring.Contracts/Applications/ActiveApplication.cs

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2023 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 SafeExamBrowser.WindowsApi.Contracts;
+
+namespace SafeExamBrowser.Monitoring.Contracts.Applications
+{
+	/// <summary>
+	/// Provides information about the currently active application.
+	/// </summary>
+	public class ActiveApplication
+	{
+		/// <summary>
+		/// The process which owns the currently active window.
+		/// </summary>
+		public IProcess Process { get; }
+
+		/// <summary>
+		/// The currently active window (i.e. the window which currently has input focus).
+		/// </summary>
+		public IWindow Window { get; }
+
+		public ActiveApplication(IProcess process, IWindow window)
+		{
+			Process = process;
+			Window = window;
+		}
+	}
+}

SafeExamBrowser.Monitoring.Contracts/Applications/IApplicationMonitor.cs

@@ -46,6 +46,12 @@ namespace SafeExamBrowser.Monitoring.Contracts.Applications
 		/// </summary>
 		void Stop();
 
+		/// <summary>
+		/// Attempts to retrieve the currently active application (i.e. the application which currently has input focus). Returns <c>true</c> if
+		/// successful, otherwise <c>false</c>.
+		/// </summary>
+		bool TryGetActiveApplication(out ActiveApplication application);
+
 		/// <summary>
 		/// Attempts to terminate all processes of the specified application. Returns <c>true</c> if successful, otherwise <c>false</c>.
 		/// </summary>

SafeExamBrowser.Monitoring.Contracts/Applications/IWindow.cs

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2023 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;
+
+namespace SafeExamBrowser.Monitoring.Contracts.Applications
+{
+	/// <summary>
+	/// Represents a native window handled by the operating system.
+	/// </summary>
+	public interface IWindow
+	{
+		/// <summary>
+		/// The handle of the window.
+		/// </summary>
+		IntPtr Handle { get; }
+
+		/// <summary>
+		/// The title of the window.
+		/// </summary>
+		string Title { get; }
+	}
+}

SafeExamBrowser.Monitoring.Contracts/SafeExamBrowser.Monitoring.Contracts.csproj

@@ -55,8 +55,10 @@
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Applications\ActiveApplication.cs" />
     <Compile Include="Applications\Events\InstanceStartedEventHandler.cs" />
     <Compile Include="Applications\Events\TerminationFailedEventHandler.cs" />
+    <Compile Include="Applications\IWindow.cs" />
     <Compile Include="Applications\RunningApplication.cs" />
     <Compile Include="Display\Events\DisplayChangedEventHandler.cs" />
     <Compile Include="Applications\Events\ExplorerStartedEventHandler.cs" />

SafeExamBrowser.Monitoring/Applications/ApplicationMonitor.cs

@@ -92,6 +92,18 @@ namespace SafeExamBrowser.Monitoring.Applications
 			}
 		}
 
+		public bool TryGetActiveApplication(out ActiveApplication application)
+		{
+			application = default;
+
+			if (activeWindow != default && TryGetProcessFor(activeWindow, out var process))
+			{
+				application = new ActiveApplication(process, new Window { Handle = activeWindow.Handle, Title = activeWindow.Title });
+			}
+
+			return application != default;
+		}
+
 		public bool TryTerminate(RunningApplication application)
 		{
 			var success = true;
@@ -355,23 +367,19 @@ namespace SafeExamBrowser.Monitoring.Applications
 
 		private bool IsAllowed(Window window)
 		{
-			var processId = Convert.ToInt32(nativeMethods.GetProcessIdFor(window.Handle));
+			var allowed = false;
 
-			if (processFactory.TryGetById(processId, out var process))
+			if (TryGetProcessFor(window, out var process))
 			{
-				if (BelongsToSafeExamBrowser(process) || IsWhitelisted(process, out _))
+				allowed = BelongsToSafeExamBrowser(process) || IsWhitelisted(process, out _);
-				{
-					return true;
-				}
-
-				logger.Warn($"Window {window} belongs to not whitelisted process '{process.Name}'!");
-			}
-			else
-			{
-				logger.Error($"Could not find process for window {window} and process ID = {processId}!");
 			}
 
-			return false;
+			if (!allowed)
+			{
+				logger.Warn($"Window {window} belongs to not whitelisted process '{process?.Name ?? "n/a"}'!");
+			}
+
+			return allowed;
 		}
 
 		private bool IsWhitelisted(IProcess process, out Guid? applicationId)
@@ -391,6 +399,18 @@ namespace SafeExamBrowser.Monitoring.Applications
 			return false;
 		}
 
+		private bool TryGetProcessFor(Window window, out IProcess process)
+		{
+			var processId = Convert.ToInt32(nativeMethods.GetProcessIdFor(window.Handle));
+
+			if (!processFactory.TryGetById(processId, out process))
+			{
+				logger.Error($"Could not find process for window {window} and process ID = {processId}!");
+			}
+
+			return process != default;
+		}
+
 		private bool TryHide(Window window)
 		{
 			var success = nativeMethods.HideWindow(window.Handle);

SafeExamBrowser.Monitoring/Applications/Window.cs

@@ -7,10 +7,11 @@
  */
 
 using System;
+using SafeExamBrowser.Monitoring.Contracts.Applications;
 
 namespace SafeExamBrowser.Monitoring.Applications
 {
-	internal class Window
+	internal class Window : IWindow
 	{
 		public IntPtr Handle { get; set; }
 		public string Title { get; set; }

SafeExamBrowser.Proctoring/ProctoringController.cs

@@ -8,10 +8,12 @@
 
 using System;
 using System.Collections.Generic;
+using SafeExamBrowser.Browser.Contracts;
 using SafeExamBrowser.Configuration.Contracts;
 using SafeExamBrowser.Core.Contracts.Notifications;
 using SafeExamBrowser.I18n.Contracts;
 using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.Monitoring.Contracts.Applications;
 using SafeExamBrowser.Proctoring.Contracts;
 using SafeExamBrowser.Proctoring.Contracts.Events;
 using SafeExamBrowser.Server.Contracts;
@@ -39,6 +41,8 @@ namespace SafeExamBrowser.Proctoring
 
 		public ProctoringController(
 			AppConfig appConfig,
+			IApplicationMonitor applicationMonitor,
+			IBrowserApplication browser,
 			IFileSystem fileSystem,
 			IModuleLogger logger,
 			INativeMethods nativeMethods,
@@ -49,7 +53,7 @@ namespace SafeExamBrowser.Proctoring
 			this.logger = logger;
 			this.server = server;
 
-			factory = new ProctoringFactory(appConfig, fileSystem, logger, nativeMethods, text, uiFactory);
+			factory = new ProctoringFactory(appConfig, applicationMonitor, browser, fileSystem, logger, nativeMethods, text, uiFactory);
 			implementations = new List<ProctoringImplementation>();
 		}
 

SafeExamBrowser.Proctoring/ProctoringFactory.cs

@@ -7,9 +7,11 @@
  */
 
 using System.Collections.Generic;
+using SafeExamBrowser.Browser.Contracts;
 using SafeExamBrowser.Configuration.Contracts;
 using SafeExamBrowser.I18n.Contracts;
 using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.Monitoring.Contracts.Applications;
 using SafeExamBrowser.Proctoring.JitsiMeet;
 using SafeExamBrowser.Proctoring.ScreenProctoring;
 using SafeExamBrowser.Proctoring.ScreenProctoring.Service;
@@ -23,6 +25,8 @@ namespace SafeExamBrowser.Proctoring
 	internal class ProctoringFactory
 	{
 		private readonly AppConfig appConfig;
+		private readonly IApplicationMonitor applicationMonitor;
+		private readonly IBrowserApplication browser;
 		private readonly IFileSystem fileSystem;
 		private readonly IModuleLogger logger;
 		private readonly INativeMethods nativeMethods;
@@ -31,6 +35,8 @@ namespace SafeExamBrowser.Proctoring
 
 		public ProctoringFactory(
 			AppConfig appConfig,
+			IApplicationMonitor applicationMonitor,
+			IBrowserApplication browser,
 			IFileSystem fileSystem,
 			IModuleLogger logger,
 			INativeMethods nativeMethods,
@@ -38,6 +44,8 @@ namespace SafeExamBrowser.Proctoring
 			IUserInterfaceFactory uiFactory)
 		{
 			this.appConfig = appConfig;
+			this.applicationMonitor = applicationMonitor;
+			this.browser = browser;
 			this.fileSystem = fileSystem;
 			this.logger = logger;
 			this.nativeMethods = nativeMethods;
@@ -61,7 +69,7 @@ namespace SafeExamBrowser.Proctoring
 				var logger = this.logger.CloneFor(nameof(ScreenProctoring));
 				var service = new ServiceProxy(logger.CloneFor(nameof(ServiceProxy)));
 
-				implementations.Add(new ScreenProctoringImplementation(logger, nativeMethods, service, settings, text));
+				implementations.Add(new ScreenProctoringImplementation(applicationMonitor, browser, logger, nativeMethods, service, settings, text));
 			}
 
 			return implementations;

SafeExamBrowser.Proctoring/SafeExamBrowser.Proctoring.csproj

@@ -91,7 +91,11 @@
     <Compile Include="ProctoringFactory.cs" />
     <Compile Include="ProctoringImplementation.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ScreenProctoring\Data\IntervalTrigger.cs" />
+    <Compile Include="ScreenProctoring\Data\KeyboardTrigger.cs" />
+    <Compile Include="ScreenProctoring\Data\MouseTrigger.cs" />
     <Compile Include="ScreenProctoring\Imaging\Extensions.cs" />
+    <Compile Include="ScreenProctoring\Data\Metadata.cs" />
     <Compile Include="ScreenProctoring\Imaging\ProcessingOrder.cs" />
     <Compile Include="ScreenProctoring\Imaging\ScreenShot.cs" />
     <Compile Include="ScreenProctoring\ScreenProctoringImplementation.cs" />
@@ -109,6 +113,14 @@
     <Compile Include="ScreenProctoring\Service\ServiceResponse.cs" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\SafeExamBrowser.Applications.Contracts\SafeExamBrowser.Applications.Contracts.csproj">
+      <Project>{ac77745d-3b41-43e2-8e84-d40e5a4ee77f}</Project>
+      <Name>SafeExamBrowser.Applications.Contracts</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\SafeExamBrowser.Browser.Contracts\SafeExamBrowser.Browser.Contracts.csproj">
+      <Project>{5FB5273D-277C-41DD-8593-A25CE1AFF2E9}</Project>
+      <Name>SafeExamBrowser.Browser.Contracts</Name>
+    </ProjectReference>
     <ProjectReference Include="..\SafeExamBrowser.Configuration.Contracts\SafeExamBrowser.Configuration.Contracts.csproj">
       <Project>{7d74555e-63e1-4c46-bd0a-8580552368c8}</Project>
       <Name>SafeExamBrowser.Configuration.Contracts</Name>
@@ -125,6 +137,10 @@
       <Project>{64ea30fb-11d4-436a-9c2b-88566285363e}</Project>
       <Name>SafeExamBrowser.Logging.Contracts</Name>
     </ProjectReference>
+    <ProjectReference Include="..\SafeExamBrowser.Monitoring.Contracts\SafeExamBrowser.Monitoring.Contracts.csproj">
+      <Project>{6D563A30-366D-4C35-815B-2C9E6872278B}</Project>
+      <Name>SafeExamBrowser.Monitoring.Contracts</Name>
+    </ProjectReference>
     <ProjectReference Include="..\SafeExamBrowser.Proctoring.Contracts\SafeExamBrowser.Proctoring.Contracts.csproj">
       <Project>{8e52bd1c-0540-4f16-b181-6665d43f7a7b}</Project>
       <Name>SafeExamBrowser.Proctoring.Contracts</Name>

SafeExamBrowser.Proctoring/ScreenProctoring/Data/IntervalTrigger.cs

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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/.
+ */
+
+namespace SafeExamBrowser.Proctoring.ScreenProctoring.Data
+{
+	internal class IntervalTrigger
+	{
+		public int ConfigurationValue { get; internal set; }
+		public int TimeElapsed { get; internal set; }
+	}
+}

SafeExamBrowser.Proctoring/ScreenProctoring/Data/KeyboardTrigger.cs

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2023 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.Windows.Input;
+using SafeExamBrowser.WindowsApi.Contracts.Events;
+
+namespace SafeExamBrowser.Proctoring.ScreenProctoring.Data
+{
+	internal class KeyboardTrigger
+	{
+		public Key Key { get; internal set; }
+		public KeyModifier Modifier { get; internal set; }
+		public KeyState State { get; internal set; }
+	}
+}

SafeExamBrowser.Proctoring/ScreenProctoring/Data/Metadata.cs

@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2023 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;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using SafeExamBrowser.Browser.Contracts;
+using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.Monitoring.Contracts.Applications;
+using SafeExamBrowser.Proctoring.ScreenProctoring.Service.Requests;
+using SafeExamBrowser.WindowsApi.Contracts.Events;
+
+namespace SafeExamBrowser.Proctoring.ScreenProctoring.Data
+{
+	internal class Metadata
+	{
+		private readonly IApplicationMonitor applicationMonitor;
+		private readonly IBrowserApplication browser;
+		private readonly ILogger logger;
+
+		internal string ApplicationInfo { get; private set; }
+		internal string BrowserInfo { get; private set; }
+		internal string TriggerInfo { get; private set; }
+		internal string Urls { get; private set; }
+		internal string WindowTitle { get; private set; }
+
+		internal Metadata(IApplicationMonitor applicationMonitor, IBrowserApplication browser, ILogger logger)
+		{
+			this.applicationMonitor = applicationMonitor;
+			this.browser = browser;
+			this.logger = logger;
+		}
+
+		internal void Capture(IntervalTrigger interval = default, KeyboardTrigger keyboard = default, MouseTrigger mouse = default)
+		{
+			CaptureApplicationData();
+			CaptureBrowserData();
+
+			if (interval != default)
+			{
+				CaptureIntervalTrigger(interval);
+			}
+			else if (keyboard != default)
+			{
+				CaptureKeyboardTrigger(keyboard);
+			}
+			else if (mouse != default)
+			{
+				CaptureMouseTrigger(mouse);
+			}
+
+			logger.Debug($"Captured metadata: {ApplicationInfo} / {BrowserInfo} / {TriggerInfo} / {Urls} / {WindowTitle}.");
+		}
+
+		internal string ToJson()
+		{
+			var json = new JObject
+			{
+				[Header.Metadata.ApplicationInfo] = ApplicationInfo,
+				[Header.Metadata.BrowserInfo] = BrowserInfo,
+				[Header.Metadata.BrowserUrls] = Urls,
+				[Header.Metadata.TriggerInfo] = TriggerInfo,
+				[Header.Metadata.WindowTitle] = WindowTitle
+			};
+
+			return json.ToString(Formatting.None);
+		}
+
+		private void CaptureApplicationData()
+		{
+			if (applicationMonitor.TryGetActiveApplication(out var application))
+			{
+				ApplicationInfo = BuildApplicationInfo(application);
+				WindowTitle = BuildWindowTitle(application);
+			}
+			else
+			{
+				ApplicationInfo = "-";
+				WindowTitle = "-";
+			}
+		}
+
+		private string BuildApplicationInfo(ActiveApplication application)
+		{
+			var info = new StringBuilder();
+
+			info.Append(application.Process.Name);
+
+			if (application.Process.OriginalName != default)
+			{
+				info.Append($" ({application.Process.OriginalName}{(application.Process.Signature == default ? ")" : "")}");
+			}
+
+			if (application.Process.Signature != default)
+			{
+				info.Append($"{(application.Process.OriginalName == default ? "(" : ", ")}{application.Process.Signature})");
+			}
+
+			return info.ToString();
+		}
+
+		private string BuildWindowTitle(ActiveApplication application)
+		{
+			return string.IsNullOrEmpty(application.Window.Title) ? "-" : application.Window.Title;
+		}
+
+		private void CaptureBrowserData()
+		{
+			var windows = browser.GetWindows();
+
+			BrowserInfo = BuildBrowserInfo(windows);
+			Urls = BuildUrls(windows);
+		}
+
+		private string BuildUrls(IEnumerable<IBrowserWindow> windows)
+		{
+			return string.Join(", ", windows.Select(w => w.Url));
+		}
+
+		private string BuildBrowserInfo(IEnumerable<IBrowserWindow> windows)
+		{
+			return string.Join(", ", windows.Select(w => $"{(w.IsMainWindow ? "Main" : "Additional")} Window: {w.Title} ({w.Url})"));
+		}
+
+		private void CaptureIntervalTrigger(IntervalTrigger interval)
+		{
+			TriggerInfo = $"Maximum interval of {interval.ConfigurationValue}ms has been reached ({interval.TimeElapsed}ms).";
+		}
+
+		private void CaptureKeyboardTrigger(KeyboardTrigger keyboard)
+		{
+			var flags = Enum.GetValues(typeof(KeyModifier)).OfType<KeyModifier>().Where(m => m != KeyModifier.None && keyboard.Modifier.HasFlag(m));
+			var modifiers = flags.Any() ? string.Join(" + ", flags) + " + " : string.Empty;
+
+			TriggerInfo = $"'{modifiers}{keyboard.Key}' has been {keyboard.State.ToString().ToLower()}.";
+		}
+
+		private void CaptureMouseTrigger(MouseTrigger mouse)
+		{
+			if (mouse.Info.IsTouch)
+			{
+				TriggerInfo = $"Tap as {mouse.Button} mouse button has been {mouse.State.ToString().ToLower()} at ({mouse.Info.X}/{mouse.Info.Y}).";
+			}
+			else
+			{
+				TriggerInfo = $"{mouse.Button} mouse button has been {mouse.State.ToString().ToLower()} at ({mouse.Info.X}/{mouse.Info.Y}).";
+			}
+		}
+	}
+}

SafeExamBrowser.Proctoring/ScreenProctoring/Data/MouseTrigger.cs

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2023 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 SafeExamBrowser.WindowsApi.Contracts.Events;
+
+namespace SafeExamBrowser.Proctoring.ScreenProctoring.Data
+{
+	internal class MouseTrigger
+	{
+		public MouseButton Button { get; internal set; }
+		public MouseInformation Info { get; internal set; }
+		public MouseButtonState State { get; internal set; }
+	}
+}

SafeExamBrowser.Proctoring/ScreenProctoring/ScreenProctoringImplementation.cs

@@ -11,10 +11,13 @@ using System.Threading;
 using System.Threading.Tasks;
 using System.Timers;
 using System.Windows.Input;
+using SafeExamBrowser.Browser.Contracts;
 using SafeExamBrowser.Core.Contracts.Notifications.Events;
 using SafeExamBrowser.Core.Contracts.Resources.Icons;
 using SafeExamBrowser.I18n.Contracts;
 using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.Monitoring.Contracts.Applications;
+using SafeExamBrowser.Proctoring.ScreenProctoring.Data;
 using SafeExamBrowser.Proctoring.ScreenProctoring.Imaging;
 using SafeExamBrowser.Proctoring.ScreenProctoring.Service;
 using SafeExamBrowser.Server.Contracts.Events.Proctoring;
@@ -31,6 +34,8 @@ namespace SafeExamBrowser.Proctoring.ScreenProctoring
 	{
 		private readonly object @lock = new object();
 
+		private readonly IApplicationMonitor applicationMonitor;
+		private readonly IBrowserApplication browser;
 		private readonly IModuleLogger logger;
 		private readonly INativeMethods nativeMethods;
 		private readonly ServiceProxy service;
@@ -47,12 +52,16 @@ namespace SafeExamBrowser.Proctoring.ScreenProctoring
 		public override event NotificationChangedEventHandler NotificationChanged;
 
 		internal ScreenProctoringImplementation(
+			IApplicationMonitor applicationMonitor,
+			IBrowserApplication browser,
 			IModuleLogger logger,
 			INativeMethods nativeMethods,
 			ServiceProxy service,
 			ProctoringSettings settings,
 			IText text)
 		{
+			this.applicationMonitor = applicationMonitor;
+			this.browser = browser;
 			this.logger = logger;
 			this.nativeMethods = nativeMethods;
 			this.service = service;
@@ -194,18 +203,28 @@ namespace SafeExamBrowser.Proctoring.ScreenProctoring
 
 		private bool KeyboardHookCallback(int keyCode, KeyModifier modifier, KeyState state)
 		{
-			var key = KeyInterop.KeyFromVirtualKey(keyCode);
+			var trigger = new KeyboardTrigger
+			{
+				Key = KeyInterop.KeyFromVirtualKey(keyCode),
+				Modifier = modifier,
+				State = state
+			};
 
-			TryExecute();
+			TryExecute(keyboard: trigger);
 
 			return false;
 		}
 
 		private bool MouseHookCallback(MouseButton button, MouseButtonState state, MouseInformation info)
 		{
-			var isTouch = info.IsTouch;
+			var trigger = new MouseTrigger
+			{
+				Button = button,
+				Info = info,
+				State = state
+			};
 
-			TryExecute();
+			TryExecute(mouse: trigger);
 
 			return false;
 		}
@@ -238,10 +257,16 @@ namespace SafeExamBrowser.Proctoring.ScreenProctoring
 
 		private void Timer_Elapsed(object sender, ElapsedEventArgs args)
 		{
-			TryExecute();
+			var trigger = new IntervalTrigger
+			{
+				ConfigurationValue = settings.MaxInterval,
+				TimeElapsed = Convert.ToInt32(DateTime.Now.Subtract(last).TotalMilliseconds)
+			};
+
+			TryExecute(interval: trigger);
 		}
 
-		private void TryExecute()
+		private void TryExecute(IntervalTrigger interval = default, KeyboardTrigger keyboard = default, MouseTrigger mouse = default)
 		{
 			if (MinimumIntervalElapsed() && Monitor.TryEnter(@lock))
 			{
@@ -252,16 +277,27 @@ namespace SafeExamBrowser.Proctoring.ScreenProctoring
 				{
 					try
 					{
+						var metadata = new Metadata(applicationMonitor, browser, logger.CloneFor(nameof(Metadata)));
+
 						using (var screenShot = new ScreenShot(logger.CloneFor(nameof(ScreenShot)), settings))
 						{
+							metadata.Capture(interval, keyboard, mouse);
 							screenShot.Take();
 							screenShot.Compress();
-							service.Send(screenShot);
+
+							if (service.IsConnected)
+							{
+								service.Send(metadata, screenShot);
+							}
+							else
+							{
+								logger.Warn("Cannot send screen shot as service is disconnected!");
+							}
 						}
 					}
 					catch (Exception e)
 					{
-						logger.Error("Failed to process screen shot!", e);
+						logger.Error("Failed to execute capturing and/or transmission!", e);
 					}
 				});
 

SafeExamBrowser.Proctoring/ScreenProctoring/Service/Requests/Header.cs

@@ -13,6 +13,18 @@ namespace SafeExamBrowser.Proctoring.ScreenProctoring.Service.Requests
 		internal const string ACCEPT = "Accept";
 		internal const string AUTHORIZATION = "Authorization";
 		internal const string GROUP_ID = "SEB_GROUP_UUID";
+		internal const string IMAGE_FORMAT = "imageFormat";
+		internal const string METADATA = "metaData";
 		internal const string SESSION_ID = "SEB_SESSION_UUID";
+		internal const string TIMESTAMP = "timestamp";
+
+		internal static class Metadata
+		{
+			internal const string ApplicationInfo = "screenProctoringMetadataApplication";
+			internal const string BrowserInfo = "screenProctoringMetadataBrowser";
+			internal const string BrowserUrls = "screenProctoringMetadataURL";
+			internal const string TriggerInfo = "screenProctoringMetadataUserAction";
+			internal const string WindowTitle = "screenProctoringMetadataWindowTitle";
+		}
 	}
 }

SafeExamBrowser.Proctoring/ScreenProctoring/Service/Requests/ScreenShotRequest.cs

@@ -9,6 +9,7 @@
 using System;
 using System.Net.Http;
 using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.Proctoring.ScreenProctoring.Data;
 using SafeExamBrowser.Proctoring.ScreenProctoring.Imaging;
 using SafeExamBrowser.Settings.Proctoring;
 
@@ -20,12 +21,13 @@ namespace SafeExamBrowser.Proctoring.ScreenProctoring.Service.Requests
 		{
 		}
 
-		internal bool TryExecute(ScreenShot screenShot, string sessionId, out string message)
+		internal bool TryExecute(Metadata metadata, ScreenShot screenShot, string sessionId, out string message)
 		{
-			var imageFormat = ("imageFormat", ToString(screenShot.Format));
+			var data = (Header.METADATA, metadata.ToJson());
-			var timestamp = ("timestamp", DateTime.Now.ToUnixTimestamp().ToString());
+			var imageFormat = (Header.IMAGE_FORMAT, ToString(screenShot.Format));
+			var timestamp = (Header.TIMESTAMP, DateTime.Now.ToUnixTimestamp().ToString());
 			var url = api.ScreenShotEndpoint.Replace(Api.SESSION_ID, sessionId);
-			var success = TryExecute(HttpMethod.Post, url, out var response, screenShot.Data, ContentType.OCTET_STREAM, Authorization, imageFormat, timestamp);
+			var success = TryExecute(HttpMethod.Post, url, out var response, screenShot.Data, ContentType.OCTET_STREAM, Authorization, data, imageFormat, timestamp);
 
 			message = response.ToLogString();
 

SafeExamBrowser.Proctoring/ScreenProctoring/Service/ServiceProxy.cs

@@ -9,6 +9,7 @@
 using System;
 using System.Net.Http;
 using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.Proctoring.ScreenProctoring.Data;
 using SafeExamBrowser.Proctoring.ScreenProctoring.Imaging;
 using SafeExamBrowser.Proctoring.ScreenProctoring.Service.Requests;
 
@@ -69,10 +70,10 @@ namespace SafeExamBrowser.Proctoring.ScreenProctoring.Service
 			return new ServiceResponse(success, message);
 		}
 
-		internal ServiceResponse Send(ScreenShot screenShot)
+		internal ServiceResponse Send(Metadata metadata, ScreenShot screenShot)
 		{
 			var request = new ScreenShotRequest(api, httpClient, logger, parser);
-			var success = request.TryExecute(screenShot, SessionId, out var message);
+			var success = request.TryExecute(metadata, screenShot, SessionId, out var message);
 
 			if (success)
 			{

SafeExamBrowser.UserInterface.Contracts/IUserInterfaceFactory.cs

@@ -46,7 +46,7 @@ namespace SafeExamBrowser.UserInterface.Contracts
 		/// <summary>
 		/// Creates an application control for the specified application and location.
 		/// </summary>
-		IApplicationControl CreateApplicationControl(IApplication application, Location location);
+		IApplicationControl CreateApplicationControl(IApplication<IApplicationWindow> application, Location location);
 
 		/// <summary>
 		/// Creates a system control which allows to change the audio settings of the computer.

SafeExamBrowser.UserInterface.Contracts/Shell/ITaskView.cs

@@ -18,7 +18,7 @@ namespace SafeExamBrowser.UserInterface.Contracts.Shell
 		/// <summary>
 		/// Adds the given application to the task view.
 		/// </summary>
-		void Add(IApplication application);
+		void Add(IApplication<IApplicationWindow> application);
 
 		/// <summary>
 		/// Registers the specified activator for the task view.

SafeExamBrowser.UserInterface.Desktop/Controls/ActionCenter/ApplicationButton.xaml.cs

@@ -17,12 +17,12 @@ namespace SafeExamBrowser.UserInterface.Desktop.Controls.ActionCenter
 {
 	internal partial class ApplicationButton : UserControl
 	{
-		private readonly IApplication application;
+		private readonly IApplication<IApplicationWindow> application;
 		private readonly IApplicationWindow window;
 
 		internal event EventHandler Clicked;
 
-		internal ApplicationButton(IApplication application, IApplicationWindow window = null)
+		internal ApplicationButton(IApplication<IApplicationWindow> application, IApplicationWindow window = null)
 		{
 			this.application = application;
 			this.window = window;

SafeExamBrowser.UserInterface.Desktop/Controls/ActionCenter/ApplicationControl.xaml.cs

@@ -15,9 +15,9 @@ namespace SafeExamBrowser.UserInterface.Desktop.Controls.ActionCenter
 {
 	internal partial class ApplicationControl : UserControl, IApplicationControl
 	{
-		private IApplication application;
+		private readonly IApplication<IApplicationWindow> application;
 
-		internal ApplicationControl(IApplication application)
+		internal ApplicationControl(IApplication<IApplicationWindow> application)
 		{
 			this.application = application;
 

SafeExamBrowser.UserInterface.Desktop/Controls/Taskbar/ApplicationControl.xaml.cs

@@ -22,10 +22,10 @@ namespace SafeExamBrowser.UserInterface.Desktop.Controls.Taskbar
 {
 	internal partial class ApplicationControl : UserControl, IApplicationControl
 	{
-		private readonly IApplication application;
+		private readonly IApplication<IApplicationWindow> application;
 		private IApplicationWindow single;
 
-		internal ApplicationControl(IApplication application)
+		internal ApplicationControl(IApplication<IApplicationWindow> application)
 		{
 			this.application = application;
 

SafeExamBrowser.UserInterface.Desktop/UserInterfaceFactory.cs

@@ -56,7 +56,7 @@ namespace SafeExamBrowser.UserInterface.Desktop
 			return new ActionCenter();
 		}
 
-		public IApplicationControl CreateApplicationControl(IApplication application, Location location)
+		public IApplicationControl CreateApplicationControl(IApplication<IApplicationWindow> application, Location location)
 		{
 			if (location == Location.ActionCenter)
 			{

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

@@ -20,22 +20,22 @@ namespace SafeExamBrowser.UserInterface.Desktop.Windows
 {
 	internal partial class Taskview : Window, ITaskview
 	{
-		private IList<IApplication> applications;
+		private readonly IList<IApplication<IApplicationWindow>> applications;
-		private LinkedListNode<WindowControl> current;
+		private readonly LinkedList<WindowControl> controls;
-		private LinkedList<WindowControl> controls;
 
+		private LinkedListNode<WindowControl> current;
 		internal IntPtr Handle { get; private set; }
 
 		internal Taskview()
 		{
-			applications = new List<IApplication>();
+			applications = new List<IApplication<IApplicationWindow>>();
 			controls = new LinkedList<WindowControl>();
 
 			InitializeComponent();
 			InitializeTaskview();
 		}
 
-		public void Add(IApplication application)
+		public void Add(IApplication<IApplicationWindow> application)
 		{
 			application.WindowsChanged += Application_WindowsChanged;
 			applications.Add(application);

SafeExamBrowser.UserInterface.Mobile/Controls/ActionCenter/ApplicationButton.xaml.cs

@@ -17,12 +17,12 @@ namespace SafeExamBrowser.UserInterface.Mobile.Controls.ActionCenter
 {
 	internal partial class ApplicationButton : UserControl
 	{
-		private readonly IApplication application;
+		private readonly IApplication<IApplicationWindow> application;
 		private readonly IApplicationWindow window;
 
 		internal event EventHandler Clicked;
 
-		internal ApplicationButton(IApplication application, IApplicationWindow window = null)
+		internal ApplicationButton(IApplication<IApplicationWindow> application, IApplicationWindow window = null)
 		{
 			this.application = application;
 			this.window = window;

SafeExamBrowser.UserInterface.Mobile/Controls/ActionCenter/ApplicationControl.xaml.cs

@@ -15,9 +15,9 @@ namespace SafeExamBrowser.UserInterface.Mobile.Controls.ActionCenter
 {
 	internal partial class ApplicationControl : UserControl, IApplicationControl
 	{
-		private IApplication application;
+		private readonly IApplication<IApplicationWindow> application;
 
-		internal ApplicationControl(IApplication application)
+		internal ApplicationControl(IApplication<IApplicationWindow> application)
 		{
 			this.application = application;
 

SafeExamBrowser.UserInterface.Mobile/Controls/Taskbar/ApplicationControl.xaml.cs

@@ -22,10 +22,10 @@ namespace SafeExamBrowser.UserInterface.Mobile.Controls.Taskbar
 {
 	internal partial class ApplicationControl : UserControl, IApplicationControl
 	{
-		private readonly IApplication application;
+		private readonly IApplication<IApplicationWindow> application;
 		private IApplicationWindow single;
 
-		internal ApplicationControl(IApplication application)
+		internal ApplicationControl(IApplication<IApplicationWindow> application)
 		{
 			this.application = application;
 

SafeExamBrowser.UserInterface.Mobile/UserInterfaceFactory.cs

@@ -56,7 +56,7 @@ namespace SafeExamBrowser.UserInterface.Mobile
 			return new ActionCenter();
 		}
 
-		public IApplicationControl CreateApplicationControl(IApplication application, Location location)
+		public IApplicationControl CreateApplicationControl(IApplication<IApplicationWindow> application, Location location)
 		{
 			if (location == Location.ActionCenter)
 			{

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

@@ -20,22 +20,23 @@ namespace SafeExamBrowser.UserInterface.Mobile.Windows
 {
 	internal partial class Taskview : Window, ITaskview
 	{
-		private IList<IApplication> applications;
+		private readonly IList<IApplication<IApplicationWindow>> applications;
+		private readonly LinkedList<WindowControl> controls;
+
 		private LinkedListNode<WindowControl> current;
-		private LinkedList<WindowControl> controls;
 
 		internal IntPtr Handle { get; private set; }
 
 		internal Taskview()
 		{
-			applications = new List<IApplication>();
+			applications = new List<IApplication<IApplicationWindow>>();
 			controls = new LinkedList<WindowControl>();
 
 			InitializeComponent();
 			InitializeTaskview();
 		}
 
-		public void Add(IApplication application)
+		public void Add(IApplication<IApplicationWindow> application)
 		{
 			application.WindowsChanged += Application_WindowsChanged;
 			applications.Add(application);