Restore SEBPatch

SafeExamBrowser.Browser/Handlers/ContextMenuHandler.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 CefSharp;
+
+namespace SafeExamBrowser.Browser.Handlers
+{
+	internal class ContextMenuHandler : IContextMenuHandler
+	{
+		public void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model)
+		{
+			model.Clear();
+		}
+
+		public bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, CefMenuCommand commandId, CefEventFlags eventFlags)
+		{
+			return false;
+		}
+
+		public void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame)
+		{
+		}
+
+		public bool RunContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model, IRunContextMenuCallback callback)
+		{
+			return false;
+		}
+	}
+}