Open in New Window context menu actions for new sidebar

Tusker/Screens/Main/NewMainTabBarViewController.swift

@@ -129,7 +129,7 @@ final class NewMainTabBarViewController: BaseMainTabBarViewController {
                 if nav.viewControllers.count > 1 {
                     switch nav.viewControllers[1] {
                     case let listVC as ListTimelineViewController:
-                        if let tab = listsGroup.tab(forIdentifier: Self.listTabIdentifier(listVC.list)) {
+                        if let tab = listsGroup.tab(forIdentifier: ListTab.identifier(for: listVC.list)) {
                             newTab = (tab, Array(nav.viewControllers[1...]))
                             nav.viewControllers = [
                                 nav.viewControllers[0], // leave the ExploreVC in place
@@ -218,16 +218,12 @@ final class NewMainTabBarViewController: BaseMainTabBarViewController {
     
     private func reloadLists(_ lists: [List]) {
         listsGroup.children = lists.map { list in
-            UITab(title: list.title, image: UIImage(systemName: "list.bullet"), identifier: Self.listTabIdentifier(list)) { [unowned self] _ in
+            ListTab(list: list) { [unowned self] _ in
                 return ListTimelineViewController(for: list, mastodonController: self.mastodonController)
             }
         }
     }
     
-    private static func listTabIdentifier(_ list: List) -> String {
-        "list:\(list.id)"
-    }
-    
     @objc func handleComposeKeyCommand() {
         compose(editing: nil)
     }
@@ -240,7 +236,7 @@ final class NewMainTabBarViewController: BaseMainTabBarViewController {
         let service = CreateListService(mastodonController: mastodonController, present: {
             self.present($0, animated: true)
         }) { list in
-            let tab = self.listsGroup.tab(forIdentifier: Self.listTabIdentifier(list))!
+            let tab = self.listsGroup.tab(forIdentifier: ListTab.identifier(for: list))!
             let listVC = tab.viewController as! ListTimelineViewController
             listVC.presentEditOnAppear = true
             self.selectedTab = tab
@@ -419,6 +415,69 @@ extension NewMainTabBarViewController: UITabBarController.Sidebar.Delegate {
         }
         return item
     }
+    
+    func tabBarController(_ tabBarController: UITabBarController, sidebar: UITabBarController.Sidebar, contextMenuConfigurationFor tab: UITab) -> UIContextMenuConfiguration? {
+        guard let id = mastodonController.accountInfo?.id else {
+            return nil
+        }
+        
+        let activity: NSUserActivity
+        
+        if let listTab = tab as? ListTab {
+            let timelineActivity = UserActivityManager.showTimelineActivity(timeline: .list(id: listTab.list.id), accountID: id)
+            if let timelineActivity {
+                activity = timelineActivity
+            } else {
+                return nil
+            }
+        } else if let tabID = Tab(rawValue: tab.identifier) {
+            switch tabID {
+            case .home:
+                return nil
+            case .notifications:
+                activity = UserActivityManager.checkNotificationsActivity(mode: Preferences.shared.defaultNotificationsMode, accountID: id)
+            case .explore:
+                activity = UserActivityManager.searchActivity(query: nil, accountID: id)
+            case .bookmarks:
+                activity = UserActivityManager.bookmarksActivity(accountID: id)
+            case .favorites:
+                // TODO
+                return nil
+            case .myProfile:
+                // no 'Open in New Window' activity for my profile, because the context menu clashes with the fast account switcher
+                return nil
+            case .compose:
+                activity = UserActivityManager.newPostActivity(accountID: id)
+            case .lists:
+                return nil
+            }
+        } else {
+            return nil
+        }
+        
+        activity.displaysAuxiliaryScene = true
+        
+        return UIContextMenuConfiguration(actionProvider: { _ in
+            var actions: [UIAction] = [
+                UIWindowScene.ActivationAction({ action in
+                    return UIWindowScene.ActivationConfiguration(userActivity: activity)
+                })
+            ]
+            
+            if let listTab = tab as? ListTab {
+                actions.append(UIAction(title: "Delete List", image: UIImage(systemName: "trash"), attributes: .destructive, handler: { [unowned self] _ in
+                    Task {
+                        let service = DeleteListService(list: listTab.list, mastodonController: self.mastodonController) {
+                            self.present($0, animated: true)
+                        }
+                        await service.run()
+                    }
+                }))
+            }
+            
+            return UIMenu(children: actions)
+        })
+    }
 }
 
 @available(iOS 18.0, *)
@@ -597,5 +656,18 @@ private class MyProfileTab: UITab {
             }
         }
     }
-    
+}
+
+@available(iOS 18.0, *)
+private class ListTab: UITab {
+    let list: List
+    
+    init(list: List, viewControllerProvider: @escaping (UITab) -> UIViewController) {
+        self.list = list
+        super.init(title: list.title, image: UIImage(systemName: "list.bullet"), identifier: Self.identifier(for: list), viewControllerProvider: viewControllerProvider)
+    }
+    
+    static func identifier(for list: List) -> String {
+        "list:\(list.id)"
+    }
 }