Add conversation screen title

Prevents when opening the Compose screen with poor network connectivity

Tusker.xcodeproj/project.pbxproj

@@ -173,8 +173,6 @@
 		D67B506D250B291200FAECFB /* BlurHashDecode.swift in Sources */ = {isa = PBXBuildFile; fileRef = D67B506C250B291200FAECFB /* BlurHashDecode.swift */; };
 		D67C57AD21E265FC00C3118B /* LargeAccountDetailView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D67C57AC21E265FC00C3118B /* LargeAccountDetailView.swift */; };
 		D67C57AF21E28EAD00C3118B /* Array+Uniques.swift in Sources */ = {isa = PBXBuildFile; fileRef = D67C57AE21E28EAD00C3118B /* Array+Uniques.swift */; };
-		D67C57B221E28FAD00C3118B /* ComposeStatusReplyView.xib in Resources */ = {isa = PBXBuildFile; fileRef = D67C57B121E28FAD00C3118B /* ComposeStatusReplyView.xib */; };
-		D67C57B421E2910700C3118B /* ComposeStatusReplyView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D67C57B321E2910700C3118B /* ComposeStatusReplyView.swift */; };
 		D68015402401A6BA00D6103B /* ComposingPrefsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D680153F2401A6BA00D6103B /* ComposingPrefsView.swift */; };
 		D68015422401A74600D6103B /* MediaPrefsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68015412401A74600D6103B /* MediaPrefsView.swift */; };
 		D681A29A249AD62D0085E54E /* LargeImageContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D681A299249AD62D0085E54E /* LargeImageContentView.swift */; };
@@ -502,8 +500,6 @@
 		D67B506C250B291200FAECFB /* BlurHashDecode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BlurHashDecode.swift; sourceTree = "<group>"; };
 		D67C57AC21E265FC00C3118B /* LargeAccountDetailView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LargeAccountDetailView.swift; sourceTree = "<group>"; };
 		D67C57AE21E28EAD00C3118B /* Array+Uniques.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Array+Uniques.swift"; sourceTree = "<group>"; };
-		D67C57B121E28FAD00C3118B /* ComposeStatusReplyView.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = ComposeStatusReplyView.xib; sourceTree = "<group>"; };
-		D67C57B321E2910700C3118B /* ComposeStatusReplyView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeStatusReplyView.swift; sourceTree = "<group>"; };
 		D680153F2401A6BA00D6103B /* ComposingPrefsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposingPrefsView.swift; sourceTree = "<group>"; };
 		D68015412401A74600D6103B /* MediaPrefsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MediaPrefsView.swift; sourceTree = "<group>"; };
 		D681A299249AD62D0085E54E /* LargeImageContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LargeImageContentView.swift; sourceTree = "<group>"; };
@@ -1145,15 +1141,6 @@
 			path = "Account Detail";
 			sourceTree = "<group>";
 		};
-		D67C57B021E28F9400C3118B /* Compose Status Reply */ = {
-			isa = PBXGroup;
-			children = (
-				D67C57B121E28FAD00C3118B /* ComposeStatusReplyView.xib */,
-				D67C57B321E2910700C3118B /* ComposeStatusReplyView.swift */,
-			);
-			path = "Compose Status Reply";
-			sourceTree = "<group>";
-		};
 		D6A3BC7223218C6E00FD64D5 /* Utilities */ = {
 			isa = PBXGroup;
 			children = (
@@ -1273,7 +1260,6 @@
 				D686BBE224FBF8110068E6AA /* WrappedProgressView.swift */,
 				D6B4A4FE2506B81A000C81C1 /* AccountDisplayNameLabel.swift */,
 				D67C57A721E2649B00C3118B /* Account Detail */,
-				D67C57B021E28F9400C3118B /* Compose Status Reply */,
 				D626494023C122C800612E6E /* Asset Picker */,
 				D61959D0241E842400A37B8E /* Draft Cell */,
 				D641C78A213DD926004B4513 /* Status */,
@@ -1645,7 +1631,6 @@
 				D626493D23C1000300612E6E /* AlbumTableViewCell.xib in Resources */,
 				D627944723A6AC9300D38C68 /* BasicTableViewCell.xib in Resources */,
 				D64BC19023C18B9D000D0238 /* FollowRequestNotificationTableViewCell.xib in Resources */,
-				D67C57B221E28FAD00C3118B /* ComposeStatusReplyView.xib in Resources */,
 				D6A3BC812321B7E600FD64D5 /* FollowNotificationGroupTableViewCell.xib in Resources */,
 				D667E5E12134937B0057A976 /* TimelineStatusTableViewCell.xib in Resources */,
 				D6F2E966249E8BFD005846BB /* CrashReporterViewController.xib in Resources */,
@@ -1818,7 +1803,6 @@
 				D667E5F82135C3040057A976 /* Mastodon+Equatable.swift in Sources */,
 				D681E4D5246E2BC30053414F /* UnmuteConversationActivity.swift in Sources */,
 				D6B4A4FF2506B81A000C81C1 /* AccountDisplayNameLabel.swift in Sources */,
-				D67C57B421E2910700C3118B /* ComposeStatusReplyView.swift in Sources */,
 				D6B053A623BD2D0C00A066FA /* AssetCollectionViewController.swift in Sources */,
 				D67B506D250B291200FAECFB /* BlurHashDecode.swift in Sources */,
 				D62275A024F1677200B82A16 /* ComposeHostingController.swift in Sources */,

Tusker.xcodeproj/xcshareddata/xcschemes/Tusker.xcscheme

@@ -89,6 +89,13 @@
             isEnabled = "YES">
          </CommandLineArgument>
       </CommandLineArguments>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "DISABLE_IMAGE_CACHE"
+            value = "1"
+            isEnabled = "NO">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Tusker/Caching/Cache.swift

@@ -15,6 +15,7 @@ enum Cache<T> {
     case disk(DiskStorage<T>)
     case hybrid(HybridStorage<T>)
     
+    @available(*, deprecated, message: "disk-based caches synchronously interact with the file system. Avoid using if possible.")
     func existsObject(forKey key: String) throws -> Bool {
         switch self {
         case let .memory(memory):

Tusker/Caching/ImageCache.swift

@@ -16,6 +16,12 @@ class ImageCache {
     static let attachments = ImageCache(name: "Attachments", memoryExpiry: .seconds(60 * 2))
     static let emojis = ImageCache(name: "Emojis", memoryExpiry: .seconds(60 * 5), diskExpiry: .seconds(60 * 60))
     
+    #if DEBUG
+    private static let disableCaching = ProcessInfo.processInfo.environment.keys.contains("DISABLE_IMAGE_CACHE")
+    #else
+    private static let disableCaching = false
+    #endif
+
     private let cache: Cache<Data>
     
     private var groups = [URL: RequestGroup]()
@@ -38,7 +44,7 @@ class ImageCache {
     
     func get(_ url: URL, completion: ((Data?) -> Void)?) -> Request? {
         let key = url.absoluteString
-        if (try? cache.existsObject(forKey: key)) ?? false,
+        if !ImageCache.disableCaching,
            let data = try? cache.object(forKey: key) {
             completion?(data)
             return nil

Tusker/Controllers/MastodonController.swift

@@ -9,7 +9,7 @@
 import Foundation
 import Pachyderm
 
-class MastodonController {
+class MastodonController: ObservableObject {
 
     static private(set) var all = [LocalData.UserAccountInfo: MastodonController]()
     
@@ -42,8 +42,8 @@ class MastodonController {
     
     let client: Client!
     
-    var account: Account!
-    var instance: Instance!
+    @Published private(set) var account: Account!
+    @Published private(set) var instance: Instance!
     
     var loggedIn: Bool {
         accountInfo != nil
@@ -95,7 +95,9 @@ class MastodonController {
                     completion?(.failure(error))
                     
                 case let .success(account, _):
+                    DispatchQueue.main.async {
                         self.account = account
+                    }
                     self.persistentContainer.backgroundContext.perform {
                         if let accountMO = self.persistentContainer.account(for: account.id, in: self.persistentContainer.backgroundContext) {
                             accountMO.updateFrom(apiAccount: account, container: self.persistentContainer)
@@ -118,13 +120,12 @@ class MastodonController {
             let request = Client.getInstance()
             run(request) { (response) in
                 guard case let .success(instance, _) = response else { fatalError() }
+                DispatchQueue.main.async {
                     self.instance = instance
                     completion?(instance)
                 }
             }
         }
-    
     }
     
-// ObservableObject so that SwiftUI views can receive it through @EnvironmentObject
-extension MastodonController: ObservableObject {}
+}

Tusker/SceneDelegate.swift

@@ -158,15 +158,11 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
         mastodonController.getOwnInstance()
         
         let rootController: UIViewController
-        #if SDK_IOS_14
         if #available(iOS 14.0, *) {
             rootController = MainSplitViewController(mastodonController: mastodonController)
         } else {
             rootController = MainTabBarViewController(mastodonController: mastodonController)
         }
-        #else
-        rootController = MainTabBarViewController(mastodonController: mastodonController)
-        #endif
         window!.rootViewController = rootController
     }
     

Tusker/Screens/Compose/ComposeAttachmentsList.swift

@@ -91,7 +91,9 @@ struct ComposeAttachmentsList: View {
     }
     
     private var canAddAttachment: Bool {
-        switch mastodonController.instance.instanceType {
+        switch mastodonController.instance?.instanceType {
+        case nil:
+            return false
         case .pleroma:
             return true
         case .mastodon:

Tusker/Screens/Compose/ComposeAvatarImageView.swift

@@ -9,7 +9,7 @@
 import SwiftUI
 
 struct ComposeAvatarImageView: View {
-    let url: URL
+    let url: URL?
     @State var request: ImageCache.Request? = nil
     @State var avatarImage: UIImage? = nil
     @ObservedObject var preferences = Preferences.shared
@@ -19,7 +19,9 @@ struct ComposeAvatarImageView: View {
             .resizable()
             .frame(width: 50, height: 50)
             .cornerRadius(preferences.avatarStyle.cornerRadiusFraction * 50)
-            .onAppear(perform: self.loadImage)
+            .conditionally(url != nil) {
+                $0.onAppear(perform: self.loadImage)
+            }
             .onDisappear(perform: self.cancelRequest)
     }
     
@@ -27,6 +29,11 @@ struct ComposeAvatarImageView: View {
         if let avatarImage = avatarImage {
             return Image(uiImage: avatarImage)
         } else {
+            return placeholderImage
+        }
+    }
+    
+    private var placeholderImage: Image {
         let imageName: String
         switch preferences.avatarStyle {
         case .circle:
@@ -36,15 +43,19 @@ struct ComposeAvatarImageView: View {
         }
         return Image(systemName: imageName)
     }
-    }
     
     private func loadImage() {
+        guard let url = url else { return }
         request = ImageCache.avatars.get(url) { (data) in
+            if let data = data, let image = UIImage(data: data) {
                 DispatchQueue.main.async {
                     self.request = nil
-                if let data = data, let image = UIImage(data: data) {
                     self.avatarImage = image
                 }
+            } else {
+                DispatchQueue.main.async {
+                    self.request = nil
+                }
             }
         }
     }

Tusker/Screens/Compose/ComposeCurrentAccount.swift

@@ -12,17 +12,19 @@ import Pachyderm
 struct ComposeCurrentAccount: View {
     @EnvironmentObject var mastodonController: MastodonController
     
-    var account: Account {
-        mastodonController.account!
+    var account: Account? {
+        mastodonController.account
     }
     
     var body: some View {
         HStack(alignment: .top) {
-            ComposeAvatarImageView(url: account.avatar)
-                .accessibility(label: Text("\(account.displayName) avatar"))
+            ComposeAvatarImageView(url: account?.avatar)
+                .accessibility(label: Text(account != nil ? "\(account!.displayName) avatar" : "Avatar"))
             
+            if let id = account?.id,
+               let account = mastodonController.persistentContainer.account(for: id) {
                 VStack(alignment: .leading) {
-                AccountDisplayNameLabel(account: mastodonController.persistentContainer.account(for: account.id)!, fontSize: 20)
+                    AccountDisplayNameLabel(account: account, fontSize: 20)
                         .lineLimit(1)
                     
                     Text(verbatim: "@\(account.acct)")
@@ -31,6 +33,9 @@ struct ComposeCurrentAccount: View {
                         .lineLimit(1)
                 }
             }
+            
+            Spacer()
+        }
     }
 }
 

Tusker/Screens/Compose/ComposeDrawingViewController.swift

@@ -58,15 +58,11 @@ class ComposeDrawingViewController: UIViewController {
             canvasView.drawing = initialDrawing
         }
         canvasView.delegate = self
-        #if SDK_IOS_14
         if #available(iOS 14.0, *) {
             canvasView.drawingPolicy = .anyInput
         } else {
             canvasView.allowsFingerDrawing = true
         }
-        #else
-        canvasView.allowsFingerDrawing = true
-        #endif
         canvasView.minimumZoomScale = 0.5
         canvasView.maximumZoomScale = 2
         canvasView.backgroundColor = .systemBackground

Tusker/Screens/Compose/ComposeTextView.swift

@@ -27,13 +27,7 @@ struct ComposeTextView: View {
     
     var body: some View {
         ZStack(alignment: .topLeading) {
-            WrappedTextView(
-                text: $text,
-                textDidChange: self.textDidChange,
-                backgroundColor: backgroundColor,
-                font: .systemFont(ofSize: fontSize)
-            )
-                .frame(height: height ?? minHeight)
+            Color(backgroundColor)
             
             if text.isEmpty, let placeholder = placeholder {
                 placeholder
@@ -41,6 +35,13 @@ struct ComposeTextView: View {
                     .foregroundColor(.secondary)
                     .offset(x: 4, y: 8)
             }
+            
+            WrappedTextView(
+                text: $text,
+                textDidChange: self.textDidChange,
+                font: .systemFont(ofSize: fontSize)
+            )
+                .frame(height: height ?? minHeight)
         }
     }
     
@@ -73,14 +74,13 @@ struct WrappedTextView: UIViewRepresentable {
     
     @Binding var text: String
     var textDidChange: ((UITextView) -> Void)?
-    var backgroundColor = UIColor.secondarySystemBackground
     var font = UIFont.systemFont(ofSize: 20)
     
     func makeUIView(context: Context) -> UITextView {
         let textView = UITextView()
         textView.delegate = context.coordinator
         textView.isEditable = true
-        textView.backgroundColor = backgroundColor
+        textView.backgroundColor = .clear
         textView.font = font
         textView.textContainer.lineBreakMode = .byWordWrapping
         return textView

Tusker/Screens/Compose/ComposeView.swift

@@ -28,7 +28,7 @@ struct ComposeView: View {
     }
     
     var charactersRemaining: Int {
-        let limit = mastodonController.instance.maxStatusCharacters ?? 500
+        let limit = mastodonController.instance?.maxStatusCharacters ?? 500
         let cwCount = draft.contentWarningEnabled ? draft.contentWarning.count : 0
         return limit - (cwCount + CharacterCounter.count(text: draft.text))
     }

Tusker/Screens/Compose/MainComposeTextView.swift

@@ -20,6 +20,15 @@ struct MainComposeTextView: View {
     
     var body: some View {
         ZStack(alignment: .topLeading) {
+            Color(UIColor.secondarySystemBackground)
+            
+            if draft.text.isEmpty {
+                placeholder
+                    .font(.system(size: 20))
+                    .foregroundColor(.secondary)
+                    .offset(x: 4, y: 8)
+            }
+            
             MainComposeWrappedTextView(
                 text: $draft.text,
                 visibility: draft.visibility,
@@ -28,13 +37,6 @@ struct MainComposeTextView: View {
                 self.height = max(textView.contentSize.height, minHeight)
             }
             .frame(height: height ?? minHeight)
-            
-            if draft.text.isEmpty {
-                placeholder
-                    .font(.system(size: 20))
-                    .foregroundColor(.secondary)
-                    .offset(x: 4, y: 8)
-            }
         }.onAppear {
             if !hasFirstAppeared {
                 hasFirstAppeared = true
@@ -59,7 +61,7 @@ struct MainComposeWrappedTextView: UIViewRepresentable {
         let textView = UITextView()
         textView.delegate = context.coordinator
         textView.isEditable = true
-        textView.backgroundColor = .secondarySystemBackground
+        textView.backgroundColor = .clear
         textView.font = .systemFont(ofSize: 20)
         textView.textContainer.lineBreakMode = .byWordWrapping
         context.coordinator.textView = textView

Tusker/Screens/Conversation/ConversationTableViewController.swift

@@ -52,6 +52,8 @@ class ConversationTableViewController: EnhancedTableViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
         
+        title = NSLocalizedString("Conversation", comment: "conversation screen title")
+
         tableView.delegate = self
         tableView.dataSource = self
         

Tusker/Screens/Large Image/Transitions/LargeImageInteractionController.swift

@@ -20,9 +20,7 @@ class LargeImageInteractionController: UIPercentDrivenInteractiveTransition {
         super.init()
         self.viewController = viewController
         let panRecognizer = UIPanGestureRecognizer(target: self, action: #selector(handleGesture(_:)))
-        if #available(iOS 13.4, *) {
         panRecognizer.allowedScrollTypesMask = .all
-        }
         viewController.view.addGestureRecognizer(panRecognizer)
     }
     

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -9,7 +9,6 @@
 import UIKit
 import Pachyderm
 
-#if SDK_IOS_14
 @available(iOS 14.0, *)
 protocol MainSidebarViewControllerDelegate: class {
     func sidebarRequestPresentCompose(_ sidebarViewController: MainSidebarViewController)
@@ -380,4 +379,3 @@ extension MainSidebarViewController: InstanceTimelineViewControllerDelegate {
         dismiss(animated: true)
     }
 }
-#endif

Tusker/Screens/Main/MainSplitViewController.swift

@@ -8,7 +8,6 @@
 
 import UIKit
 
-#if SDK_IOS_14
 @available(iOS 14.0, *)
 class MainSplitViewController: UISplitViewController {
 
@@ -316,11 +315,15 @@ extension MainSplitViewController: TuskerRootViewController {
     }
     
     func select(tab: MainTabBarViewController.Tab) {
+        if traitCollection.horizontalSizeClass == .compact {
+            tabBarViewController?.select(tab: tab)
+        } else {
             if tab == .compose {
                 presentCompose()
             } else {
                 select(item: .tab(tab))
+                sidebar.select(item: .tab(tab), animated: false)
+            }
         }
     }
 }
-#endif

Tusker/Screens/Utilities/InteractivePushTransition.swift

@@ -36,12 +36,10 @@ class InteractivePushTransition: UIPercentDrivenInteractiveTransition {
         interactivePushGestureRecognizer.require(toFail: navigationController.interactivePopGestureRecognizer!)
         navigationController.view.addGestureRecognizer(interactivePushGestureRecognizer)
         
-        if #available(iOS 13.4, *) {
         let trackpadGestureRecognizer = TrackpadScrollGestureRecognizer(target: self, action: #selector(handleSwipeForward(_:)))
         trackpadGestureRecognizer.require(toFail: navigationController.interactivePopGestureRecognizer!)
         navigationController.view.addGestureRecognizer(trackpadGestureRecognizer)
     }
-    }
 
     @objc func handleSwipeForward(_ recognizer: UIPanGestureRecognizer) {
         interactive = true

Tusker/Screens/Utilities/Previewing.swift

@@ -54,8 +54,6 @@ extension MenuPreviewProvider {
             }),
         ]
         
-        // todo: handle pre-iOS 14
-        #if SDK_IOS_14
         if accountID != mastodonController.account.id,
            #available(iOS 14.0, *) {
             actionsSection.append(UIDeferredMenuElement({ (elementHandler) in
@@ -71,7 +69,7 @@ extension MenuPreviewProvider {
                         let following = relationship.following
                         DispatchQueue.main.async {
                             elementHandler([
-                                self.createAction(identifier: "follow", title: following ? "Unfollow" : "Follow", systemImageName: following ? "person.badge.minus" : "person.badge.minus", handler: { (_) in
+                                self.createAction(identifier: "follow", title: following ? "Unfollow" : "Follow", systemImageName: following ? "person.badge.minus" : "person.badge.plus", handler: { (_) in
                                     let request = (following ? Account.unfollow : Account.follow)(accountID)
                                     mastodonController.run(request) { (_) in
                                     }
@@ -82,7 +80,6 @@ extension MenuPreviewProvider {
                 }
             }))
         }
-        #endif
         
         let shareSection = [
             openInSafariAction(url: account.url),

Tusker/Shortcuts/AppShortcutItems.swift

@@ -47,10 +47,11 @@ enum AppShortcutItem: String, CaseIterable {
         }
         let scene = UIApplication.shared.connectedScenes.compactMap { $0 as? UIWindowScene }.first!
         let window = scene.windows.first { $0.isKeyWindow }!
-        let controller = window.rootViewController as! MainTabBarViewController
+        if let controller = window.rootViewController as? TuskerRootViewController {
             controller.select(tab: tab)
         }
     }
+}
 
 extension AppShortcutItem {
     static func createItems(for application: UIApplication) {

Tusker/Views/Attachments/AttachmentsContainerView.swift

@@ -58,11 +58,11 @@ class AttachmentsContainerView: UIView {
         attachmentViews.removeAllObjects()
         moreView?.removeFromSuperview()
         
+        var accessibilityElements = [Any]()
+
         if attachments.count > 0 {
             self.isHidden = false
             
-            var accessibilityElements = [Any]()
-
             switch attachments.count {
             case 1:
                 let attachmentView = createAttachmentView(index: 0, hSize: .full, vSize: .full)
@@ -215,13 +215,16 @@ class AttachmentsContainerView: UIView {
                 accessibilityElements.append(topRight)
                 accessibilityElements.append(bottomLeft)
                 accessibilityElements.append(moreView)
-            }
 
-            self.accessibilityElements = accessibilityElements
+            }
         } else {
             self.isHidden = true
         }
         
+        // Make sure accessibilityElements is set every time the UI is updated, otherwise it holds
+        // on to strong references to the old set of attachment views
+        self.accessibilityElements = accessibilityElements
+
         contentHidden = Preferences.shared.blurAllMedia || status.sensitive
     }
     

Tusker/Views/Compose Status Reply/ComposeStatusReplyView.swift

@@ -1,56 +0,0 @@
-//
-//  ComposeStatusReplyView.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 1/6/19.
-//  Copyright © 2019 Shadowfacts. All rights reserved.
-//
-
-import UIKit
-import Pachyderm
-
-class ComposeStatusReplyView: UIView {
-    
-    weak var mastodonController: MastodonController?
-
-    @IBOutlet weak var avatarImageView: UIImageView!
-    @IBOutlet weak var displayNameLabel: EmojiLabel!
-    @IBOutlet weak var usernameLabel: UILabel!
-    @IBOutlet weak var statusContentTextView: StatusContentTextView!
-    
-    var avatarRequest: ImageCache.Request?
-    
-    static func create() -> ComposeStatusReplyView {
-        return UINib(nibName: "ComposeStatusReplyView", bundle: nil).instantiate(withOwner: nil, options: nil).first as! ComposeStatusReplyView
-    }
-    
-    deinit {
-        avatarRequest?.cancel()
-    }
-
-    override func awakeFromNib() {
-        super.awakeFromNib()
-        
-        updateUIForPreferences()
-        NotificationCenter.default.addObserver(self, selector: #selector(updateUIForPreferences), name: .preferencesChanged, object: nil)
-    }
-
-    @objc func updateUIForPreferences() {
-        avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarImageView)
-    }
-    
-    func updateUI(for status: StatusMO) {
-        displayNameLabel.updateForAccountDisplayName(account: status.account)
-        usernameLabel.text = "@\(status.account.acct)"
-        statusContentTextView.overrideMastodonController = mastodonController
-        statusContentTextView.setTextFrom(status: status)
-        
-        avatarRequest = ImageCache.avatars.get(status.account.avatar) { [weak self] (data) in
-            guard let self = self, let data = data else { return }
-            DispatchQueue.main.async {
-                self.avatarImageView.image = UIImage(data: data)
-            }
-        }
-    }
-
-}

Tusker/Views/Compose Status Reply/ComposeStatusReplyView.xib

@@ -1,83 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="16092.1" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
-    <device id="retina4_7" orientation="portrait" appearance="light"/>
-    <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="16082.1"/>
-        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <objects>
-        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
-        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
-        <view contentMode="scaleToFill" id="iN0-l3-epB" customClass="ComposeStatusReplyView" customModule="Tusker" customModuleProvider="target">
-            <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-            <subviews>
-                <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="Ypn-Ed-MTq">
-                    <rect key="frame" x="8" y="8" width="50" height="50"/>
-                    <constraints>
-                        <constraint firstAttribute="height" constant="50" id="8qi-gl-5ci"/>
-                        <constraint firstAttribute="width" constant="50" id="Dy2-jh-AJj"/>
-                    </constraints>
-                </imageView>
-                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="2cE-sS-Uut">
-                    <rect key="frame" x="66" y="8" width="301" height="651"/>
-                    <subviews>
-                        <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Display name" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Sdv-dB-Plm" customClass="EmojiLabel" customModule="Tusker" customModuleProvider="target">
-                            <rect key="frame" x="0.0" y="0.0" width="107" height="20.5"/>
-                            <fontDescription key="fontDescription" type="system" weight="semibold" pointSize="17"/>
-                            <nil key="textColor"/>
-                            <nil key="highlightedColor"/>
-                        </label>
-                        <label opaque="NO" userInteractionEnabled="NO" contentMode="left" verticalHuggingPriority="251" horizontalCompressionResistancePriority="749" text="@username" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="0yZ-71-eTj">
-                            <rect key="frame" x="115" y="0.0" width="178" height="21"/>
-                            <accessibility key="accessibilityConfiguration">
-                                <accessibilityTraits key="traits" staticText="YES" notEnabled="YES"/>
-                                <bool key="isElement" value="NO"/>
-                            </accessibility>
-                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                            <color key="textColor" systemColor="secondaryLabelColor" red="0.23529411759999999" green="0.23529411759999999" blue="0.26274509800000001" alpha="0.59999999999999998" colorSpace="custom" customColorSpace="sRGB"/>
-                            <nil key="highlightedColor"/>
-                        </label>
-                        <textView clipsSubviews="YES" multipleTouchEnabled="YES" userInteractionEnabled="NO" contentMode="scaleToFill" scrollEnabled="NO" delaysContentTouches="NO" editable="NO" textAlignment="natural" selectable="NO" translatesAutoresizingMaskIntoConstraints="NO" id="atN-ay-ceL" customClass="StatusContentTextView" customModule="Tusker" customModuleProvider="target">
-                            <rect key="frame" x="0.0" y="25" width="301" height="626"/>
-                            <string key="text">Lorem ipsum dolor sit er elit lamet, consectetaur cillium adipisicing pecu, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Nam liber te conscient to factor tum poen legum odioque civiuda.</string>
-                            <color key="textColor" systemColor="labelColor" cocoaTouchSystemColor="darkTextColor"/>
-                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                            <textInputTraits key="textInputTraits" autocapitalizationType="sentences"/>
-                        </textView>
-                    </subviews>
-                    <constraints>
-                        <constraint firstAttribute="bottom" secondItem="atN-ay-ceL" secondAttribute="bottom" id="3ub-qq-laF"/>
-                        <constraint firstItem="Sdv-dB-Plm" firstAttribute="leading" secondItem="2cE-sS-Uut" secondAttribute="leading" id="6v5-7p-9gm"/>
-                        <constraint firstItem="Sdv-dB-Plm" firstAttribute="top" secondItem="2cE-sS-Uut" secondAttribute="top" id="YmP-yU-sfe"/>
-                        <constraint firstItem="0yZ-71-eTj" firstAttribute="top" secondItem="2cE-sS-Uut" secondAttribute="top" id="bdX-ge-bMT"/>
-                        <constraint firstAttribute="trailing" secondItem="0yZ-71-eTj" secondAttribute="trailing" constant="8" id="hU7-aZ-ibI"/>
-                        <constraint firstItem="atN-ay-ceL" firstAttribute="leading" secondItem="2cE-sS-Uut" secondAttribute="leading" id="k5c-jg-Dy8"/>
-                        <constraint firstItem="0yZ-71-eTj" firstAttribute="leading" secondItem="Sdv-dB-Plm" secondAttribute="trailing" constant="8" id="m0X-YU-m3V"/>
-                        <constraint firstItem="atN-ay-ceL" firstAttribute="top" secondItem="0yZ-71-eTj" secondAttribute="bottom" constant="4" id="pXc-4g-PAe"/>
-                        <constraint firstAttribute="trailing" secondItem="atN-ay-ceL" secondAttribute="trailing" id="qcg-bA-8ba"/>
-                    </constraints>
-                </view>
-            </subviews>
-            <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
-            <constraints>
-                <constraint firstItem="2cE-sS-Uut" firstAttribute="height" relation="greaterThanOrEqual" secondItem="Ypn-Ed-MTq" secondAttribute="height" id="Fn3-o4-RGx"/>
-                <constraint firstItem="vUN-kp-3ea" firstAttribute="bottom" secondItem="2cE-sS-Uut" secondAttribute="bottom" constant="8" id="G2d-Kz-c4e"/>
-                <constraint firstItem="Ypn-Ed-MTq" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="8" id="MbW-9d-3gC"/>
-                <constraint firstItem="2cE-sS-Uut" firstAttribute="leading" secondItem="Ypn-Ed-MTq" secondAttribute="trailing" constant="8" id="TS2-Sr-PB3"/>
-                <constraint firstItem="2cE-sS-Uut" firstAttribute="top" secondItem="vUN-kp-3ea" secondAttribute="top" constant="8" id="cat-Cr-PSV"/>
-                <constraint firstItem="vUN-kp-3ea" firstAttribute="trailing" secondItem="2cE-sS-Uut" secondAttribute="trailing" constant="8" id="eH4-lG-5UR"/>
-                <constraint firstItem="Ypn-Ed-MTq" firstAttribute="top" secondItem="vUN-kp-3ea" secondAttribute="top" constant="8" placeholder="YES" id="xCn-8G-jUZ"/>
-            </constraints>
-            <viewLayoutGuide key="safeArea" id="vUN-kp-3ea"/>
-            <connections>
-                <outlet property="avatarImageView" destination="Ypn-Ed-MTq" id="eea-bc-klc"/>
-                <outlet property="displayNameLabel" destination="Sdv-dB-Plm" id="RxW-Ra-Ups"/>
-                <outlet property="statusContentTextView" destination="atN-ay-ceL" id="i6A-Rd-rJp"/>
-                <outlet property="usernameLabel" destination="0yZ-71-eTj" id="VQm-Dq-3zP"/>
-            </connections>
-            <point key="canvasLocation" x="138.40000000000001" y="-72.863568215892059"/>
-        </view>
-    </objects>
-</document>

Tusker/Views/Profile Header/ProfileHeaderView.swift

@@ -67,15 +67,11 @@ class ProfileHeaderView: UIView {
         
         NotificationCenter.default.addObserver(self, selector: #selector(updateUIForPreferences), name: .preferencesChanged, object: nil)
         
-        if #available(iOS 13.4, *) {
         moreButton.addInteraction(UIPointerInteraction(delegate: self))
-        }
-        #if SDK_IOS_14
         if #available(iOS 14.0, *) {
             moreButton.showsMenuAsPrimaryAction = true
             moreButton.isContextMenuInteractionEnabled = true
         }
-        #endif
     }
     
     func updateUI(for accountID: String) {

Tusker/Views/Status/BaseStatusTableViewCell.swift

@@ -87,11 +87,9 @@ class BaseStatusTableViewCell: UITableViewCell {
         accessibilityElements = [displayNameLabel!, contentWarningLabel!, collapseButton!, contentTextView!, attachmentsView!]
         attachmentsView.isAccessibilityElement = true
         
-        #if SDK_IOS_14
         if #available(iOS 14.0, *) {
             moreButton.showsMenuAsPrimaryAction = true
         }
-        #endif
         
         NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
     }
@@ -122,19 +120,25 @@ class BaseStatusTableViewCell: UITableViewCell {
         }
     }
     
-    func updateUI(statusID: String, state: StatusState) {
+    final func updateUI(statusID: String, state: StatusState) {
         createObserversIfNecessary()
         
         guard let status = mastodonController.persistentContainer.status(for: statusID) else {
             fatalError("Missing cached status")
         }
+        
         self.statusID = statusID
+        
+        doUpdateUI(status: status, state: state)
+    }
+    
+    func doUpdateUI(status: StatusMO, state: StatusState) {
         self.statusState = state
         
         let account = status.account
         self.accountID = account.id
         updateUI(account: account)
-        updateUIForPreferences(account: account)
+        updateUIForPreferences(account: account, status: status)
         
         attachmentsView.updateUI(status: status)
         attachmentsView.isAccessibilityElement = status.attachments.count > 0
@@ -194,12 +198,10 @@ class BaseStatusTableViewCell: UITableViewCell {
             reblogButton.accessibilityLabel = NSLocalizedString("Reblog", comment: "reblog button accessibility label")
         }
         
-        #if SDK_IOS_14
         if #available(iOS 14.0, *) {
             // keep menu in sync with changed states e.g. bookmarked, muted
             moreButton.menu = UIMenu(title: "", image: nil, identifier: nil, options: [], children: actionsForStatus(statusID: statusID, sourceView: moreButton))
         }
-        #endif
     }
     
     func updateUI(account: AccountMO) {
@@ -213,18 +215,19 @@ class BaseStatusTableViewCell: UITableViewCell {
         }
     }
     
-    @objc func preferencesChanged() {
+    @objc private func preferencesChanged() {
         guard let mastodonController = mastodonController,
             let account = mastodonController.persistentContainer.account(for: accountID),
             let status = mastodonController.persistentContainer.status(for: statusID) else { return }
-        updateUIForPreferences(account: account)
-        updateStatusIconsForPreferences(status)
+        updateUIForPreferences(account: account, status: status)
     }
     
-    func updateUIForPreferences(account: AccountMO) {
+    func updateUIForPreferences(account: AccountMO, status: StatusMO) {
         avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarImageView)
         displayNameLabel.updateForAccountDisplayName(account: account)
         attachmentsView.contentHidden = Preferences.shared.blurAllMedia || (mastodonController.persistentContainer.status(for: statusID)?.sensitive ?? false)
+        
+        updateStatusIconsForPreferences(status)
     }
     
     func updateStatusIconsForPreferences(_ status: StatusMO) {

Tusker/Views/Status/ConversationMainStatusTableViewCell.swift

@@ -38,9 +38,8 @@ class ConversationMainStatusTableViewCell: BaseStatusTableViewCell {
         contentTextView.defaultFont = .systemFont(ofSize: 18)
     }
     
-    override func updateUI(statusID: String, state: StatusState) {
-        super.updateUI(statusID: statusID, state: state)
-        guard let status = mastodonController.persistentContainer.status(for: statusID) else { fatalError() }
+    override func doUpdateUI(status: StatusMO, state: StatusState) {
+        super.doUpdateUI(status: status, state: state)
         
         var timestampAndClientText = ConversationMainStatusTableViewCell.dateFormatter.string(from: status.createdAt)
         if let application = status.applicationName {
@@ -63,8 +62,8 @@ class ConversationMainStatusTableViewCell: BaseStatusTableViewCell {
         profileAccessibilityElement.accessibilityLabel = account.displayNameWithoutCustomEmoji
     }
     
-    override func updateUIForPreferences(account: AccountMO) {
-        super.updateUIForPreferences(account: account)
+    override func updateUIForPreferences(account: AccountMO, status: StatusMO) {
+        super.updateUIForPreferences(account: account, status: status)
 
         favoriteAndReblogCountStackView.isHidden = !Preferences.shared.showFavoriteAndReblogCounts
     }

Tusker/Views/Status/TimelineStatusTableViewCell.swift

@@ -68,10 +68,9 @@ class TimelineStatusTableViewCell: BaseStatusTableViewCell {
         }
     }
     
-    override func updateUI(statusID: String, state: StatusState) {
-        guard var status = mastodonController.persistentContainer.status(for: statusID) else { fatalError("Missing cached status \(statusID)") }
+    override func doUpdateUI(status: StatusMO, state: StatusState) {
+        var status = status
         
-        let realStatusID: String
         if let rebloggedStatus = status.reblog {
             reblogStatusID = statusID
             rebloggerID = status.account.id
@@ -79,25 +78,24 @@ class TimelineStatusTableViewCell: BaseStatusTableViewCell {
             updateRebloggerLabel(reblogger: status.account)
             
             status = rebloggedStatus
-            realStatusID = rebloggedStatus.id
+            statusID = rebloggedStatus.id
         } else {
             reblogStatusID = nil
             rebloggerID = nil
             reblogLabel.isHidden = true
-            realStatusID = statusID
         }
         
-        super.updateUI(statusID: realStatusID, state: state)
+        super.doUpdateUI(status: status, state: state)
         
-        updateTimestamp()
+        doUpdateTimestamp(status: status)
         
         let pinned = showPinned && (status.pinned ?? false)
         timestampLabel.isHidden = pinned
         pinImageView.isHidden = !pinned
     }
     
-    @objc override func preferencesChanged() {
-        super.preferencesChanged()
+    override func updateUIForPreferences(account: AccountMO, status: StatusMO) {
+        super.updateUIForPreferences(account: account, status: status)
         
         if let rebloggerID = rebloggerID,
             let reblogger = mastodonController.persistentContainer.account(for: rebloggerID) {
@@ -121,12 +119,16 @@ class TimelineStatusTableViewCell: BaseStatusTableViewCell {
         replyImageView.isHidden = !Preferences.shared.showIsStatusReplyIcon || !showReplyIndicator || status.inReplyToID == nil
     }
     
-    func updateTimestamp() {
+    private func updateTimestamp() {
         // if the mastodonController is nil (i.e. the delegate is nil), then the screen this cell was a part of has been deallocated
         // so we bail out immediately, since there's nothing to update
         guard let mastodonController = mastodonController else { return }
         guard let status = mastodonController.persistentContainer.status(for: statusID) else { fatalError("Missing cached status \(statusID!)") }
         
+        doUpdateTimestamp(status: status)
+    }
+    
+    private func doUpdateTimestamp(status: StatusMO) {
         timestampLabel.text = status.createdAt.timeAgoString()
         timestampLabel.accessibilityLabel = TimelineStatusTableViewCell.relativeDateFormatter.localizedString(for: status.createdAt, relativeTo: Date())
         

Tusker/Views/VisualEffectImageButton.swift

@@ -52,9 +52,7 @@ class VisualEffectImageButton: UIControl {
             imageView.bottomAnchor.constraint(equalTo: vibrancyView.bottomAnchor, constant: -2),
         ])
         
-        #if SDK_IOS_14
         addInteraction(UIContextMenuInteraction(delegate: self))
-        #endif
         
         addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(onTap)))
     }
@@ -63,12 +61,10 @@ class VisualEffectImageButton: UIControl {
         sendActions(for: .touchUpInside)
     }
 
-    #if SDK_IOS_14
     override func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configurationForMenuAtLocation location: CGPoint) -> UIContextMenuConfiguration? {
         guard let menu = menu else { return nil }
         return UIContextMenuConfiguration(identifier: nil, previewProvider: nil) { (_) -> UIMenu? in
             return menu
         }
     }
-    #endif
 }

Tusker/WeakArray.swift

@@ -16,12 +16,16 @@ fileprivate class WeakWrapper<T: AnyObject> {
     }
 }
 
-struct WeakArray<Element: AnyObject>: Collection {
+struct WeakArray<Element: AnyObject>: MutableCollection, RangeReplaceableCollection {
     private var array: [WeakWrapper<Element>]
     
     var startIndex: Int { array.startIndex }
     var endIndex: Int { array.endIndex }
     
+    init() {
+        array = []
+    }
+    
     init(_ elements: [Element]) {
         array = elements.map { WeakWrapper($0) }
     }
@@ -30,11 +34,20 @@ struct WeakArray<Element: AnyObject>: Collection {
         array = elements.map { WeakWrapper($0) }
     }
     
-    subscript(_ index: Int) -> Element? {
-        return array[index].value
+    subscript(position: Int) -> Element? {
+        get {
+            array[position].value
+        }
+        set(newValue) {
+            array[position] = WeakWrapper(newValue)
+        }
     }
     
     func index(after i: Int) -> Int {
         return array.index(after: i)
     }
+    
+    mutating func replaceSubrange<C>(_ subrange: Range<Int>, with newElements: C) where C : Collection, Self.Element == C.Element {
+        array.replaceSubrange(subrange, with: newElements.map { WeakWrapper($0) })
+    }
 }