Restore SEBPatch

SafeExamBrowser.Monitoring.Contracts/Applications/IApplicationMonitor.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 SafeExamBrowser.Monitoring.Contracts.Applications.Events;
+using SafeExamBrowser.Settings.Applications;
+
+namespace SafeExamBrowser.Monitoring.Contracts.Applications
+{
+	/// <summary>
+	/// Monitors applications running on the computer.
+	/// </summary>
+	public interface IApplicationMonitor
+	{
+		/// <summary>
+		/// Event fired when a new instance of the Windows Explorer has been started.
+		/// </summary>
+		event ExplorerStartedEventHandler ExplorerStarted;
+
+		/// <summary>
+		/// Event fired when a new instance of a whitelisted application has been started.
+		/// </summary>
+		event InstanceStartedEventHandler InstanceStarted;
+
+		/// <summary>
+		/// Event fired when the automatic termination of a blacklisted application failed.
+		/// </summary>
+		event TerminationFailedEventHandler TerminationFailed;
+
+		/// <summary>
+		/// Initializes the application monitor.
+		/// </summary>
+		InitializationResult Initialize(ApplicationSettings settings);
+
+		/// <summary>
+		/// Starts monitoring all initialized applications. Windows Explorer will always be monitored.
+		/// </summary>
+		void Start();
+
+		/// <summary>
+		/// Stops the application monitoring.
+		/// </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>
+		bool TryTerminate(RunningApplication application);
+	}
+}