Restore SEBPatch

SafeExamBrowser.UserInterface.Contracts/Browser/Data/DownloadItemState.cs

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 ETH Zürich, IT Services
+ * Copyright (c) 2025 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
@@ -16,7 +16,7 @@ namespace SafeExamBrowser.UserInterface.Contracts.Browser.Data
 	public class DownloadItemState
 	{
 		/// <summary>
-		/// The current completion of the item, as percentage value from <c>0.0</c> to <c>1.0</c>.
+		/// The current completion of the item (if available, see <see cref="IsIndeterminate"/>), as percentage value from <c>0.0</c> to <c>1.0</c>.
 		/// </summary>
 		public double Completion { get; set; }
 
@@ -40,6 +40,16 @@ namespace SafeExamBrowser.UserInterface.Contracts.Browser.Data
 		/// </summary>
 		public bool IsComplete { get; set; }
 
+		/// <summary>
+		/// Indicates whether the <see cref="Completion"/> is known or not.
+		/// </summary>
+		public bool IsIndeterminate { get; set; }
+
+		/// <summary>
+		/// The current size of the download item in bytes.
+		/// </summary>
+		public long Size { get; set; }
+
 		/// <summary>
 		/// The download URL of the item.
 		/// </summary>