Add "Add Account" placeholder to fast account switcher

Tusker/MainSceneDelegate.swift

@@ -17,6 +17,10 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate {
 
     private var launchActivity: NSUserActivity?
     
+    var rootViewController: TuskerRootViewController? {
+        window?.rootViewController as? TuskerRootViewController
+    }
+    
     func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
         guard let windowScene = scene as? UIWindowScene else { return }
         
@@ -56,7 +60,7 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate {
         if url.host == "x-callback-url" {
             _ = XCBManager.handle(url: url)
         } else if var components = URLComponents(url: url, resolvingAgainstBaseURL: false),
-                  let rootViewController = window!.rootViewController as? TuskerRootViewController {
+                  let rootViewController = rootViewController {
             components.scheme = "https"
             let query = components.string!
             rootViewController.performSearch(query: query)
@@ -202,6 +206,12 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate {
         window?.overrideUserInterfaceStyle = Preferences.shared.theme
     }
     
+    func showAddAccount() {
+        rootViewController?.presentPreferences {
+            NotificationCenter.default.post(name: .addAccount, object: nil)
+        }
+    }
+    
 }
 
 extension MainSceneDelegate: OnboardingViewControllerDelegate {

Tusker/Screens/Fast Account Switcher/FastAccountSwitcherViewController.swift

@@ -101,7 +101,13 @@ class FastAccountSwitcherViewController: UIViewController {
     
     private func createAccountViews() {
         accountsStack.arrangedSubviews.forEach { $0.removeFromSuperview() }
-        accountViews = []
+        
+        let addAccountPlaceholder = FastSwitchingAccountView()
+        accountsStack.addArrangedSubview(addAccountPlaceholder)
+        
+        accountViews = [
+            addAccountPlaceholder
+        ]
         
         for account in LocalData.shared.accounts {
             let accountView = FastSwitchingAccountView(account: account)
@@ -122,7 +128,17 @@ class FastAccountSwitcherViewController: UIViewController {
     }
     
     private func switchAccount(newIndex: Int, hapticFeedback: Bool = true) {
-        let account = LocalData.shared.accounts[newIndex]
+        if newIndex == 0 { // add account placeholder
+            if hapticFeedback {
+                selectionChangedFeedbackGenerator?.impactOccurred()
+            }
+            selectionChangedFeedbackGenerator = nil
+            
+            hide() {
+                (self.view.window!.windowScene!.delegate as! MainSceneDelegate).showAddAccount()
+            }
+        } else {
+            let account = LocalData.shared.accounts[newIndex - 1]
             
             if account.id != LocalData.shared.mostRecentAccountID {
                 if hapticFeedback {
@@ -137,6 +153,7 @@ class FastAccountSwitcherViewController: UIViewController {
                 hide()
             }
         }
+    }
     
     // MARK: - Interaction
     

Tusker/Screens/Fast Account Switcher/FastSwitchingAccountView.swift

@@ -10,8 +10,6 @@ import UIKit
 
 class FastSwitchingAccountView: UIView {
     
-    let account: LocalData.UserAccountInfo
-    
     private static let selectedColor = UIColor { (traits) in
         if traits.userInterfaceStyle == .dark {
             return UIColor(hue: 211 / 360, saturation: 85 / 100, brightness: 100 / 100, alpha: 1)
@@ -39,21 +37,32 @@ class FastSwitchingAccountView: UIView {
     
     private let usernameLabel = UILabel()
     private let instanceLabel = UILabel()
+    private let avatarImageView = UIImageView()
     
     private var avatarRequest: ImageCache.Request?
     
     init(account: LocalData.UserAccountInfo) {
-        self.account = account
-        
         super.init(frame: .zero)
+        commonInit()
+        setupAccount(account: account)
+    }
     
+    init() {
+        super.init(frame: .zero)
+        commonInit()
+        setupPlaceholder()
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    private func commonInit() {
         usernameLabel.textColor = .white
         usernameLabel.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .headline), size: 0)
-        usernameLabel.text = account.username
         
         instanceLabel.textColor = .white
         instanceLabel.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .subheadline), size: 0)
-        instanceLabel.text = account.instanceURL.host!
         
         let stackView = UIStackView(arrangedSubviews: [
             usernameLabel,
@@ -64,12 +73,11 @@ class FastSwitchingAccountView: UIView {
         stackView.alignment = .trailing
         addSubview(stackView)
         
-        let avatarImageView = UIImageView()
         avatarImageView.translatesAutoresizingMaskIntoConstraints = false
         avatarImageView.layer.masksToBounds = true
         avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadiusFraction * 40
         avatarImageView.image = UIImage(systemName: Preferences.shared.avatarStyle == .circle ? "person.crop.circle" : "person.crop.square")
-        avatarImageView.contentMode = .scaleAspectFit
+        avatarImageView.contentMode = .scaleAspectFill
         addSubview(avatarImageView)
         
         NSLayoutConstraint.activate([
@@ -84,22 +92,30 @@ class FastSwitchingAccountView: UIView {
             stackView.centerYAnchor.constraint(equalTo: avatarImageView.centerYAnchor),
         ])
         
+        updateLabelColors()
+    }
+    
+    private func setupAccount(account: LocalData.UserAccountInfo) {
+        usernameLabel.text = account.username
+        instanceLabel.text = account.instanceURL.host!
         let controller = MastodonController.getForAccount(account)
         controller.getOwnAccount { [weak self] (result) in
             guard let self = self,
                   case let .success(account) = result,
                   let avatar = account.avatar else { return }
-            self.avatarRequest = ImageCache.avatars.get(avatar) { [weak avatarImageView] (_, image) in
+            self.avatarRequest = ImageCache.avatars.get(avatar) { [weak self] (_, image) in
-                guard let avatarImageView = avatarImageView, let image = image else { return }
+                guard let self = self, let image = image else { return }
                 DispatchQueue.main.async {
-                    avatarImageView.image = image
+                    self.avatarImageView.image = image
                 }
             }
         }
     }
     
-    required init?(coder: NSCoder) {
+    private func setupPlaceholder() {
-        fatalError("init(coder:) has not been implemented")
+        usernameLabel.text = "Add Account"
+        instanceLabel.isHidden = true
+        avatarImageView.image = UIImage(systemName: "plus")
     }
     
     private func updateLabelColors() {
@@ -113,6 +129,7 @@ class FastSwitchingAccountView: UIView {
         }
         usernameLabel.textColor = color
         instanceLabel.textColor = color
+        avatarImageView.tintColor = color
     }
 
 }

Tusker/Screens/Main/AccountSwitchingContainerViewController.swift

@@ -86,8 +86,14 @@ extension AccountSwitchingContainerViewController: TuskerRootViewController {
     }
     
     func performSearch(query: String) {
+        loadViewIfNeeded()
         root.performSearch(query: query)
     }
+    
+    func presentPreferences(completion: (() -> Void)?) {
+        loadViewIfNeeded()
+        root.presentPreferences(completion: completion)
+    }
 }
 
 extension AccountSwitchingContainerViewController: BackgroundableViewController {

Tusker/Screens/Main/MainSplitViewController.swift

@@ -441,6 +441,10 @@ extension MainSplitViewController: TuskerRootViewController {
         searchViewController.searchController.searchBar.text = query
         searchViewController.resultsController.performSearch(query: query)
     }
+    
+    func presentPreferences(completion: (() -> Void)?) {
+        present(PreferencesNavigationController(mastodonController: mastodonController), animated: true, completion: completion)
+    }
 }
 
 extension MainSplitViewController: BackgroundableViewController {

Tusker/Screens/Main/MainTabBarViewController.swift

@@ -262,6 +262,10 @@ extension MainTabBarViewController: TuskerRootViewController {
         exploreController.searchController.searchBar.text = query
         exploreController.resultsController.performSearch(query: query)
     }
+    
+    func presentPreferences(completion: (() -> Void)?) {
+        present(PreferencesNavigationController(mastodonController: mastodonController), animated: true, completion: completion)
+    }
 }
 
 extension MainTabBarViewController: BackgroundableViewController {

Tusker/Screens/Main/TuskerRootViewController.swift

@@ -13,4 +13,5 @@ protocol TuskerRootViewController: UIViewController {
     func select(tab: MainTabBarViewController.Tab)
     func getTabController(tab: MainTabBarViewController.Tab) -> UIViewController?
     func performSearch(query: String)
+    func presentPreferences(completion: (() -> Void)?)
 }