/* * Copyright (c) 2025 Proton AG * * This file is part of ProtonVPN. * * ProtonVPN is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * ProtonVPN is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ProtonVPN. If not, see . */ using System; using System.Runtime.InteropServices; using Microsoft.UI.Xaml.Controls; using ProtonVPN.Logging.Contracts; using ProtonVPN.Logging.Contracts.Events.AppLogs; namespace ProtonVPN.Client.Core.Services.Navigation.Extensions; public static class FrameExtensions { public static object? TryGetContent(this Frame? frame, ILogger? logger = null) { try { return frame?.Content; } catch (Exception e) { logger?.Debug($"Cannot access Frame.Content. {e}. "); return null; } } public static Type? TryGetContentType(this Frame? frame, ILogger? logger = null) { return frame.TryGetContent(logger)?.GetType(); } public static bool IsContentNull(this Frame? frame) { return frame.TryGetContent() == null; } public static bool TryClearContent(this Frame? frame, ILogger? logger = null) { try { if (frame?.Content != null) { frame.Content = null; } return frame != null; } catch (Exception e) { logger?.Debug($"Cannot clear Frame.Content. {e}."); return false; } } }