Merge core project into winui project.

Wino.Mail.WinUI/BasePage.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Diagnostics;
+using CommunityToolkit.Mvvm.Messaging;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Navigation;
+using Wino.Core.ViewModels;
+using Wino.Messaging.Client.Shell;
+using WinoNavigationMode = Wino.Core.Domain.Models.Navigation.NavigationMode;
+
+namespace Wino.Mail.WinUI;
+
+public partial class BasePage : Page, IRecipient<LanguageChanged>
+{
+    public UIElement ShellContent
+    {
+        get { return (UIElement)GetValue(ShellContentProperty); }
+        set { SetValue(ShellContentProperty, value); }
+    }
+
+    public static readonly DependencyProperty ShellContentProperty = DependencyProperty.Register(nameof(ShellContent), typeof(UIElement), typeof(BasePage), new PropertyMetadata(null));
+
+    public void Receive(LanguageChanged message)
+    {
+        OnLanguageChanged();
+    }
+
+    public virtual void OnLanguageChanged() { }
+
+    /// <summary>
+    /// Register message recipients for this page. Override to register specific message types.
+    /// </summary>
+    protected virtual void RegisterRecipients() { }
+
+    /// <summary>
+    /// Unregister message recipients for this page. Override to unregister specific message types.
+    /// </summary>
+    protected virtual void UnregisterRecipients() { }
+}
+
+public abstract class BasePage<T> : BasePage where T : CoreBaseViewModel
+{
+    public T ViewModel { get; } = WinoApplication.Current.Services.GetService<T>();
+
+    protected BasePage()
+    {
+        ViewModel.Dispatcher = new WinUIDispatcher(DispatcherQueue);
+
+        Loaded += PageLoaded;
+        Unloaded += PageUnloaded;
+    }
+
+    private void PageUnloaded(object sender, RoutedEventArgs e)
+    {
+        Loaded -= PageLoaded;
+        Unloaded -= PageUnloaded;
+    }
+
+    private void PageLoaded(object sender, RoutedEventArgs e) => ViewModel.OnPageLoaded();
+
+    ~BasePage() { Debug.WriteLine($"Disposed {GetType().Name}"); }
+
+    protected override void OnNavigatedTo(NavigationEventArgs e)
+    {
+        base.OnNavigatedTo(e);
+
+        var mode = GetNavigationMode(e.NavigationMode);
+        var parameter = e.Parameter;
+
+        WeakReferenceMessenger.Default.Register<LanguageChanged>(this);
+        RegisterRecipients();
+
+        ViewModel.OnNavigatedTo(mode, parameter);
+    }
+
+    protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
+    {
+        base.OnNavigatingFrom(e);
+
+        var mode = GetNavigationMode(e.NavigationMode);
+        var parameter = e.Parameter;
+
+        WeakReferenceMessenger.Default.Unregister<LanguageChanged>(this);
+        UnregisterRecipients();
+
+        ViewModel.OnNavigatedFrom(mode, parameter);
+
+        GC.Collect();
+    }
+
+    private WinoNavigationMode GetNavigationMode(NavigationMode mode)
+    {
+        return (WinoNavigationMode)mode;
+    }
+}