From 0e95cd0adf91866565ce9893583201212f1facce Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Wed, 21 Aug 2024 18:34:49 -0400
Subject: [PATCH] Update AdaptableNavigationController when interface
 preference changes

---
 .../AdaptableNavigationController.swift       | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Tusker/Screens/Utilities/AdaptableNavigationController.swift b/Tusker/Screens/Utilities/AdaptableNavigationController.swift
index 145e75cd..f991570f 100644
--- a/Tusker/Screens/Utilities/AdaptableNavigationController.swift
+++ b/Tusker/Screens/Utilities/AdaptableNavigationController.swift
@@ -7,7 +7,7 @@
 //
 
 import UIKit
-import Combine
+import TuskerPreferences
 
 @available(iOS 17.0, *)
 class AdaptableNavigationController: UIViewController {
@@ -15,6 +15,7 @@ class AdaptableNavigationController: UIViewController {
     private let viewControllersToPrependInCompact: [UIViewController]
     
     private var initialViewControllers: [UIViewController] = []
+    private var currentWidescreenNavigationMode: WidescreenNavigationMode?
     private lazy var regular = makeRegularNavigationController()
     private lazy var compact = makeCompactNavigationController()
     private var _current: (any NavigationControllerProtocol)?
@@ -39,6 +40,8 @@ class AdaptableNavigationController: UIViewController {
         registerForTraitChanges([UITraitHorizontalSizeClass.self]) { (self: AdaptableNavigationController, previousTraitCollection) in
             self.updateNavigationController()
         }
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
     }
     
     private func updateNavigationController() {
@@ -47,6 +50,7 @@ class AdaptableNavigationController: UIViewController {
         if let _current {
             _current.removeViewAndController()
             stack = _current.viewControllers
+            _current.viewControllers = []
             isTransferring = true
         } else {
             stack = initialViewControllers
@@ -79,6 +83,7 @@ class AdaptableNavigationController: UIViewController {
     
     private func makeRegularNavigationController() -> any NavigationControllerProtocol {
         // TODO: need to figure out how to update the navigation controller if the pref changes
+        self.currentWidescreenNavigationMode = Preferences.shared.widescreenNavigationMode
         switch Preferences.shared.widescreenNavigationMode {
         case .stack:
             return EnhancedNavigationViewController()
@@ -92,6 +97,18 @@ class AdaptableNavigationController: UIViewController {
     private func makeCompactNavigationController() -> any NavigationControllerProtocol {
         EnhancedNavigationViewController()
     }
+    
+    @objc private func preferencesChanged() {
+        if currentWidescreenNavigationMode != Preferences.shared.widescreenNavigationMode {
+            if let _current,
+               _current === regular {
+                regular = makeRegularNavigationController()
+                updateNavigationController()
+            } else {
+                regular = makeRegularNavigationController()
+            }
+        }
+    }
 }
 
 @available(iOS 17.0, *)