Fix being able to scroll to top while fast account switcher is active

Tusker/Scenes/AuxiliarySceneDelegate.swift

@@ -106,7 +106,15 @@ class AuxiliarySceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDel
     
     private func timelineViewController(for timeline: Timeline, mastodonController: MastodonController) -> UIViewController {
         switch timeline {
-        // todo: list/hashtag controllers need whole objects which must be fetched asynchronously
+        // todo: hashtag controllers need whole objects which must be fetched asynchronously, and that endpoint only exists in mastodon v4
+        case .list(id: let id):
+            let req = ListMO.fetchRequest(id: id)
+            if let list = try? mastodonController.persistentContainer.viewContext.fetch(req).first {
+                return ListTimelineViewController(for: List(id: id, title: list.title), mastodonController: mastodonController)
+            } else {
+                return TimelineViewController(for: timeline, mastodonController: mastodonController)
+            }
+            
         default:
             return TimelineViewController(for: timeline, mastodonController: mastodonController)
         }

Tusker/Scenes/MainSceneDelegate.swift

@@ -238,7 +238,7 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
         }
     }
 
-    func createAppUI() -> TuskerRootViewController {
+    func createAppUI() -> AccountSwitchableViewController {
         let mastodonController = window!.windowScene!.session.mastodonController!
         mastodonController.initialize()
         

Tusker/Screens/Main/AccountSwitchingContainerViewController.swift

@@ -11,14 +11,18 @@ import ScreenCorners
 import UserAccounts
 import ComposeUI
 
+protocol AccountSwitchableViewController: TuskerRootViewController {
+    var isFastAccountSwitcherActive: Bool { get }
+}
+
 class AccountSwitchingContainerViewController: UIViewController {
 
     private var currentAccountID: String
-    private(set) var root: TuskerRootViewController
+    private(set) var root: AccountSwitchableViewController
     
     private var userActivities: [String: NSUserActivity] = [:]
     
-    init(root: TuskerRootViewController, for account: UserAccountInfo) {
+    init(root: AccountSwitchableViewController, for account: UserAccountInfo) {
         self.currentAccountID = account.id
         self.root = root
         
@@ -35,7 +39,7 @@ class AccountSwitchingContainerViewController: UIViewController {
         embedChild(root)
     }
     
-    func setRoot(_ newRoot: TuskerRootViewController, for account: UserAccountInfo, animating direction: AnimationDirection) {
+    func setRoot(_ newRoot: AccountSwitchableViewController, for account: UserAccountInfo, animating direction: AnimationDirection) {
         let oldRoot = self.root
         if direction == .none {
             oldRoot.removeViewAndController()
@@ -148,10 +152,13 @@ extension AccountSwitchingContainerViewController: TuskerRootViewController {
     
     func handleStatusBarTapped(xPosition: CGFloat) -> StatusBarTapActionResult {
         loadViewIfNeeded()
-        // TODO: check if fast account switcher is being presented?
+        if root.isFastAccountSwitcherActive {
+            return .stop
+        } else {
             return root.handleStatusBarTapped(xPosition: xPosition)
         }
     }
+}
 
 extension AccountSwitchingContainerViewController: BackgroundableViewController {
     func sceneDidEnterBackground() {

Tusker/Screens/Main/Duckable+Root.swift

@@ -11,7 +11,7 @@ import Duckable
 import ComposeUI
 
 @available(iOS 16.0, *)
-extension DuckableContainerViewController: TuskerRootViewController {
+extension DuckableContainerViewController: AccountSwitchableViewController {
     func stateRestorationActivity() -> NSUserActivity? {
         var activity = (child as? TuskerRootViewController)?.stateRestorationActivity()
         if let compose = duckedViewController as? ComposeHostingController,
@@ -52,4 +52,8 @@ extension DuckableContainerViewController: TuskerRootViewController {
     func handleStatusBarTapped(xPosition: CGFloat) -> StatusBarTapActionResult {
         (child as? TuskerRootViewController)?.handleStatusBarTapped(xPosition: xPosition) ?? .continue
     }
+    
+    var isFastAccountSwitcherActive: Bool {
+        (child as? AccountSwitchableViewController)?.isFastAccountSwitcherActive ?? false
+    }
 }

Tusker/Screens/Main/MainSplitViewController.swift

@@ -610,3 +610,15 @@ extension MainSplitViewController: FastAccountSwitcherViewControllerDelegate {
         return cellRect.contains(point)
     }
 }
+
+extension MainSplitViewController: AccountSwitchableViewController {
+    var isFastAccountSwitcherActive: Bool {
+        if isCollapsed {
+            return tabBarViewController.isFastAccountSwitcherActive
+        } else if let fastAccountSwitcher {
+            return !fastAccountSwitcher.view.isHidden
+        } else {
+            return false
+        }
+    }
+}

Tusker/Screens/Main/MainTabBarViewController.swift

@@ -363,3 +363,13 @@ extension MainTabBarViewController: BackgroundableViewController {
         }
     }
 }
+
+extension MainTabBarViewController: AccountSwitchableViewController {
+    var isFastAccountSwitcherActive: Bool {
+        if let fastAccountSwitcher {
+            return !fastAccountSwitcher.view.isHidden
+        } else {
+            return false
+        }
+    }
+}