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LamparterLamparter
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Feature: UnifiedApp (#85)
1 parent 01e6b72 commit 06c6536

3 files changed

Lines changed: 196 additions & 4 deletions

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‎eng/MultiTarget/GlobalUsings.cs‎

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global using global::System.Threading.Tasks;
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// WinUI
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#if UAP
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global using global::Windows.ApplicationModel;
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global using global::Windows.ApplicationModel.Activation;
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global using global::Windows.Storage;
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global using global::Windows.UI;
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global using global::Windows.UI.WindowManagement;
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#endif
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#if WinUI
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global using global::Microsoft;
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global using global::Microsoft.UI;
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global using global::Microsoft.UI.Xaml.Media.Animation;
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global using global::Microsoft.UI.Xaml.Shapes;
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global using global::Microsoft.UI.Xaml.Controls.Primitives;
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global using global::Windows.UI;
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#elif UWP
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global using global::Windows;
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global using global::Windows.UI;
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global using global::Windows.UI.Xaml;
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global using global::Windows.UI.Xaml.Controls;
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global using global::Windows.UI.Xaml.Data;
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global using global::iNKORE.UI.WPF.Modern;
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global using global::iNKORE.UI.WPF.Modern.Controls;
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global using global::iNKORE.UI.WPF.Modern.Common;
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global using Frame = global::iNKORE.UI.WPF.Modern.Controls.Frame;
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#endif
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// CommunityToolkit

‎src/core/Riverside.Extensions.WinUI/Riverside.Extensions.WinUI.projitems‎

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<Import_RootNamespace>Riverside.Extensions.WinUI</Import_RootNamespace>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="$(MSBuildThisFileDirectory)UnifiedApp.cs" />
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</ItemGroup>
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</Project>
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</Project>

‎src/core/Riverside.Extensions.WinUI/UnifiedApp.cs‎

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// This file contains portions of code from the Files App project, licensed under the MIT License.
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using System.Reflection;
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namespace Riverside.Extensions.WinUI;
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/// <summary>
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/// Represents a unified application class that can be used across all platforms.
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/// It provides a common set of properties and methods that can be used in any project.
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/// </summary>
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/// <seealso cref="Application"/>
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public abstract partial class UnifiedApp : Application
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{
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private static CommandBarFlyout? _LastOpenedFlyout;
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#if !Wpf && !UWP
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/// <summary>
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/// Gets a dictionary of windows identified by a string key.
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/// </summary>
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public Dictionary<string, Window> Windows { get; } = [];
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#endif
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/// <summary>
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/// Gets the application version.
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/// </summary>
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public static readonly string AppVersion =
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#if Wpf
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$"{Assembly.GetEntryAssembly()?.GetName().Version?.Major}." +
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$"{Assembly.GetEntryAssembly()?.GetName().Version?.Minor}." +
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$"{Assembly.GetEntryAssembly()?.GetName().Version?.Build}." +
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$"{Assembly.GetEntryAssembly()?.GetName().Version?.Revision}";
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#else
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$"{Package.Current.Id.Version.Major}." +
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$"{Package.Current.Id.Version.Minor}." +
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$"{Package.Current.Id.Version.Build}." +
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$"{Package.Current.Id.Version.Revision}";
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#endif
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/// <summary>
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/// Gets the current <see cref="UnifiedApp"/> instance in use.
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/// </summary>
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public new static UnifiedApp Current
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=> (UnifiedApp)Application.Current;
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/// <summary>
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/// Gets or sets the <see cref="IServiceProvider"/> instance to resolve application services.
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/// </summary>
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public IServiceProvider Services { get; set; }
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#if !Wpf
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/// <summary>
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/// Gets the application data container for local settings.
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/// </summary>
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public ApplicationDataContainer Settings = ApplicationData.Current.LocalSettings;
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#endif
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#if !Wpf && !UWP
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/// <summary>
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/// Opens a new window with the specified key, page type, and optional parameter.
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/// </summary>
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/// <typeparam name="TPage">The type of the page to navigate to.</typeparam>
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/// <param name="windowKey">The key to identify the window.</param>
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/// <param name="parameter">The parameter to pass to the page.</param>
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public void OpenNewWindow<TPage>(string windowKey, object parameter = null)
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{
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if (Windows.TryGetValue(windowKey, out Window value))
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{
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value.Activate();
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return;
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}
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Window newWindow = new();
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Frame frame = new();
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_ = frame.Navigate(typeof(TPage), parameter);
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newWindow.Content = frame;
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newWindow.Activate();
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Windows[windowKey] = newWindow;
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}
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#endif
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/// <summary>
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/// Gets or sets the last opened <see cref="CommandBarFlyout"/>.
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/// </summary>
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public static CommandBarFlyout? LastOpenedFlyout
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{
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set
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{
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_LastOpenedFlyout = value;
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if (_LastOpenedFlyout is not null)
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_LastOpenedFlyout.Closed += LastOpenedFlyout_Closed;
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}
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}
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/// <summary>
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/// Invoked when Navigation to a certain page fails
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/// </summary>
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/// <param name="sender">The <see cref="Frame"/> which failed navigation</param>
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/// <param name="e">Details about the navigation failure</param>
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public virtual void OnNavigationFailed(object sender, NavigationFailedEventArgs e)
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=> throw new Exception("Failed to load Page "
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#if Wpf
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+ e.Uri);
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#else
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+ e.SourcePageType.FullName);
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#endif
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#if !Wpf
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/// <summary>
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/// Invoked when the application execution is being suspended.
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/// </summary>
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/// <remarks>
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/// This is the standard method to save application state before the application is suspended.
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/// You can override it to save additional state, but you should always call the base implementation.
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/// </remarks>
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/// <param name="sender">The source of the suspend request.</param>
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/// <param name="e">Details about the suspend request.</param>
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public virtual void OnSuspending(object sender, SuspendingEventArgs e)
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{
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SuspendingDeferral deferral = e.SuspendingOperation.GetDeferral();
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deferral.Complete();
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}
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#endif
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/// <summary>
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/// Invoked when an unobserved task exception occurs.
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/// </summary>
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/// <param name="sender">The source of the unobserved task exception.</param>
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/// <param name="e">Details about the unobserved task exception.</param>
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public virtual void OnUnobservedException(object? sender, UnobservedTaskExceptionEventArgs e)
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=> e.SetObserved();
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/// <summary>
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/// Invoked when an unhandled exception occurs.
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/// </summary>
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/// <remarks>
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/// This is the standard method to handle unhandled exceptions.
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/// You can override it to provide custom exception handling, but you should always call the base implementation.
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///
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/// This base version also raises a new <see cref="ContentDialog"/> to display the exception message.
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/// </remarks>
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/// <param name="sender">The source of the unhandled exception.</param>
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/// <param name="e">Details about the unhandled exception.</param>
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public async virtual void OnUnhandledException(object? sender,
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#if UWP
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Windows.UI.Xaml.UnhandledExceptionEventArgs e)
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#elif WinUI
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Microsoft.UI.Xaml.UnhandledExceptionEventArgs e)
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#else
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UnhandledExceptionEventArgs e)
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#endif
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{
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try
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{
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await new ContentDialog
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{
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Title = "Unhandled exception",
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Content =
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#if UWP
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e.Message,
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#else
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"An unhandled exception occured.",
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#endif
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CloseButtonText = "Close"
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}
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.ShowAsync();
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}
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catch { }
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}
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/// <summary>
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/// Gets invoked when the last opened flyout is closed.
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/// </summary>
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private static void LastOpenedFlyout_Closed(object? sender, object e)
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{
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if (sender is not CommandBarFlyout commandBarFlyout)
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return;
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commandBarFlyout.Closed -= LastOpenedFlyout_Closed;
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if (_LastOpenedFlyout == commandBarFlyout)
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_LastOpenedFlyout = null;
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}
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}

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