Settings page and manage accounts navigation options.

Wino.Mail.WinUI/Views/SettingsPage.xaml.cs

@@ -1,9 +1,9 @@
 using System.Collections.ObjectModel;
 using System.Linq;
 using CommunityToolkit.Mvvm.Messaging;
-using MoreLinq;
 using Microsoft.UI.Xaml.Media.Animation;
 using Microsoft.UI.Xaml.Navigation;
+using MoreLinq;
 using Wino.Core.Domain;
 using Wino.Core.Domain.Enums;
 using Wino.Mail.ViewModels.Data;
@@ -13,7 +13,9 @@ using Wino.Views.Settings;
 
 namespace Wino.Views;
 
-public sealed partial class SettingsPage : SettingsPageAbstract, IRecipient<BreadcrumbNavigationRequested>
+public sealed partial class SettingsPage : SettingsPageAbstract, 
+    IRecipient<BreadcrumbNavigationRequested>,
+    IRecipient<BackBreadcrumNavigationRequested>
 {
     public ObservableCollection<BreadcrumbNavigationItemViewModel> PageHistory { get; set; } = [];
 
@@ -26,6 +28,10 @@ public sealed partial class SettingsPage : SettingsPageAbstract, IRecipient<Brea
     {
         base.OnNavigatedTo(e);
 
+        // Register for frame navigation events to track back button visibility
+        SettingsFrame.Navigated -= SettingsFrameNavigated;
+        SettingsFrame.Navigated += SettingsFrameNavigated;
+
         SettingsFrame.Navigate(typeof(SettingOptionsPage), null, new SuppressNavigationTransitionInfo());
 
         var initialRequest = new BreadcrumbNavigationRequested(Translator.MenuSettings, WinoPage.SettingOptionsPage);
@@ -60,21 +66,29 @@ public sealed partial class SettingsPage : SettingsPageAbstract, IRecipient<Brea
 
     protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
     {
+        // Unregister frame navigation event
+        SettingsFrame.Navigated -= SettingsFrameNavigated;
+
+        // Reset navigation state when leaving SettingsPage
+        ViewModel.StatePersistenceService.IsSettingsNavigating = false;
+
         base.OnNavigatingFrom(e);
     }
 
     protected override void RegisterRecipients()
     {
         base.RegisterRecipients();
-        
+
         WeakReferenceMessenger.Default.Register<BreadcrumbNavigationRequested>(this);
+        WeakReferenceMessenger.Default.Register<BackBreadcrumNavigationRequested>(this);
     }
 
     protected override void UnregisterRecipients()
     {
         base.UnregisterRecipients();
-        
+
         WeakReferenceMessenger.Default.Unregister<BreadcrumbNavigationRequested>(this);
+        WeakReferenceMessenger.Default.Unregister<BackBreadcrumNavigationRequested>(this);
     }
 
     void IRecipient<BreadcrumbNavigationRequested>.Receive(BreadcrumbNavigationRequested message)
@@ -90,16 +104,51 @@ public sealed partial class SettingsPage : SettingsPageAbstract, IRecipient<Brea
         PageHistory.Add(new BreadcrumbNavigationItemViewModel(message, true));
     }
 
+    private void SettingsFrameNavigated(object sender, NavigationEventArgs e)
+    {
+        // Update back button visibility based on whether we can go back within the frame
+        ViewModel.StatePersistenceService.IsSettingsNavigating = SettingsFrame.CanGoBack;
+    }
+
+    private void GoBackFrame(Core.Domain.Enums.NavigationTransitionEffect slideEffect)
+    {
+        if (SettingsFrame.CanGoBack)
+        {
+            PageHistory.RemoveAt(PageHistory.Count - 1);
+
+            var winuiEffect = slideEffect switch
+            {
+                Core.Domain.Enums.NavigationTransitionEffect.FromLeft => Microsoft.UI.Xaml.Media.Animation.SlideNavigationTransitionEffect.FromLeft,
+                _ => Microsoft.UI.Xaml.Media.Animation.SlideNavigationTransitionEffect.FromRight,
+            };
+
+            SettingsFrame.GoBack(new SlideNavigationTransitionInfo() { Effect = winuiEffect });
+
+            // Set the new last item as active
+            if (PageHistory.Count > 0)
+            {
+                PageHistory.ForEach(a => a.IsActive = false);
+                PageHistory[PageHistory.Count - 1].IsActive = true;
+            }
+
+            // Update back button visibility after navigation
+            ViewModel.StatePersistenceService.IsSettingsNavigating = SettingsFrame.CanGoBack;
+        }
+    }
+
     private void BreadItemClicked(Microsoft.UI.Xaml.Controls.BreadcrumbBar sender, Microsoft.UI.Xaml.Controls.BreadcrumbBarItemClickedEventArgs args)
     {
         var clickedPageHistory = PageHistory[args.Index];
-        var activeIndex = PageHistory.IndexOf(PageHistory.FirstOrDefault(a => a.IsActive));
 
+        // Trigger GoBack repeatedly until we reach the clicked breadcrumb item
         while (PageHistory.FirstOrDefault(a => a.IsActive) != clickedPageHistory)
         {
-            SettingsFrame.GoBack(new SlideNavigationTransitionInfo() { Effect = SlideNavigationTransitionEffect.FromRight });
-            PageHistory.RemoveAt(PageHistory.Count - 1);
-            PageHistory[PageHistory.Count - 1].IsActive = true;
+            ViewModel.NavigationService.GoBack();
         }
     }
+
+    public void Receive(BackBreadcrumNavigationRequested message)
+    {
+        GoBackFrame(message.SlideEffect);
+    }
 }