Add server-provided translation

Closes #331

Packages/InstanceFeatures/Sources/InstanceFeatures/InstanceFeatures.swift

@@ -21,7 +21,8 @@ public class InstanceFeatures: ObservableObject {
     @Published public private(set) var charsReservedPerURL = 23
     @Published public private(set) var maxPollOptionChars: Int?
     @Published public private(set) var maxPollOptionsCount: Int?
-    @Published public private(set) var mediaAttachmentsConfiguration: Instance.MediaAttachmentsConfiguration?
+    @Published public private(set) var mediaAttachmentsConfiguration: InstanceV1.MediaAttachmentsConfiguration?
+    @Published public private(set) var translation: Bool = false
     
     public var localOnlyPosts: Bool {
         switch instanceType {
@@ -240,6 +241,7 @@ public class InstanceFeatures: ObservableObject {
             maxPollOptionsCount = pollsConfig.maxOptions
         }
         mediaAttachmentsConfiguration = instance.configuration?.mediaAttachments
+        translation = instance.translation
         
         _featuresUpdated.send()
     }

Packages/InstanceFeatures/Sources/InstanceFeatures/InstanceInfo.swift

@@ -9,26 +9,39 @@ import Foundation
 import Pachyderm
 
 public struct InstanceInfo {
-    public let version: String
-    public let maxStatusCharacters: Int?
-    public let configuration: Instance.Configuration?
-    public let pollsConfiguration: Instance.PollsConfiguration?
+    public var version: String
+    public var maxStatusCharacters: Int?
+    public var configuration: InstanceV1.Configuration?
+    public var pollsConfiguration: InstanceV1.PollsConfiguration?
+    public var translation: Bool
     
-    public init(version: String, maxStatusCharacters: Int?, configuration: Instance.Configuration?, pollsConfiguration: Instance.PollsConfiguration?) {
+    public init(
+        version: String,
+        maxStatusCharacters: Int?,
+        configuration: InstanceV1.Configuration?,
+        pollsConfiguration: InstanceV1.PollsConfiguration?,
+        translation: Bool
+    ) {
         self.version = version
         self.maxStatusCharacters = maxStatusCharacters
         self.configuration = configuration
         self.pollsConfiguration = pollsConfiguration
+        self.translation = translation
     }
 }
 
 extension InstanceInfo {
-    public init(instance: Instance) {
+    public init(v1 instance: InstanceV1) {
         self.init(
             version: instance.version,
             maxStatusCharacters: instance.maxStatusCharacters,
             configuration: instance.configuration,
-            pollsConfiguration: instance.pollsConfiguration
+            pollsConfiguration: instance.pollsConfiguration,
+            translation: false
         )
     }
+    
+    public mutating func update(v2: InstanceV2) {
+        translation = v2.configuration.translation.enabled
+    }
 }

Packages/Pachyderm/Sources/Pachyderm/Client.swift

@@ -231,8 +231,12 @@ public class Client {
         return Request<[Relationship]>(method: .get, path: "/api/v1/accounts/relationships", queryParameters: "id" => accounts)
     }
     
-    public static func getInstance() -> Request<Instance> {
-        return Request<Instance>(method: .get, path: "/api/v1/instance")
+    public static func getInstanceV1() -> Request<InstanceV1> {
+        return Request<InstanceV1>(method: .get, path: "/api/v1/instance")
+    }
+    
+    public static func getInstanceV2() -> Request<InstanceV2> {
+        return Request<InstanceV2>(method: .get, path: "/api/v2/instance")
     }
     
     public static func getCustomEmoji() -> Request<[Emoji]> {

Packages/Pachyderm/Sources/Pachyderm/Model/InstanceV1.swift

@@ -1,5 +1,5 @@
 //
-//  Instance.swift
+//  InstanceV1.swift
 //  Pachyderm
 //
 //  Created by Shadowfacts on 9/9/18.
@@ -8,7 +8,7 @@
 
 import Foundation
 
-public struct Instance: Decodable, Sendable {
+public struct InstanceV1: Decodable, Sendable {
     public let uri: String
     public let title: String
     public let description: String
@@ -92,7 +92,7 @@ public struct Instance: Decodable, Sendable {
     }
 }
 
-extension Instance {
+extension InstanceV1 {
     public struct Stats: Decodable, Sendable {
         public let domainCount: Int?
         public let statusCount: Int?
@@ -106,7 +106,7 @@ extension Instance {
     }
 }
 
-extension Instance {
+extension InstanceV1 {
     public struct Configuration: Codable, Sendable {
         public let statuses: StatusesConfiguration
         public let mediaAttachments: MediaAttachmentsConfiguration
@@ -121,7 +121,8 @@ extension Instance {
     }
 }
 
-extension Instance {
+extension InstanceV1 {
+    // note: also used by InstanceV2
     public struct StatusesConfiguration: Codable, Sendable {
         public let maxCharacters: Int
         public let maxMediaAttachments: Int
@@ -135,7 +136,8 @@ extension Instance {
     }
 }
 
-extension Instance {
+extension InstanceV1 {
+    // note: also used by InstanceV2
     public struct MediaAttachmentsConfiguration: Codable, Sendable {
         public let supportedMIMETypes: [String]
         public let imageSizeLimit: Int
@@ -155,7 +157,8 @@ extension Instance {
     }
 }
 
-extension Instance {
+extension InstanceV1 {
+    // note: also used by InstanceV2
     public struct PollsConfiguration: Codable, Sendable {
         public let maxOptions: Int
         public let maxCharactersPerOption: Int
@@ -171,7 +174,8 @@ extension Instance {
     }
 }
 
-extension Instance {
+extension InstanceV1 {
+    // note: also used by InstanceV2
     public struct Rule: Decodable, Identifiable, Sendable {
         public let id: String
         public let text: String

Packages/Pachyderm/Sources/Pachyderm/Model/InstanceV2.swift

@@ -0,0 +1,125 @@
+//
+//  InstanceV2.swift
+//  Pachyderm
+//
+//  Created by Shadowfacts on 12/4/23.
+//
+
+import Foundation
+
+public struct InstanceV2: Decodable, Sendable {
+    public let domain: String
+    public let title: String
+    public let version: String
+    public let sourceURL: String
+    public let description: String
+    public let usage: Usage
+    public let thumbnail: Thumbnail
+    public let languages: [String]
+    public let configuration: Configuration
+    public let registrations: Registrations
+    public let contact: Contact
+    public let rules: [InstanceV1.Rule]
+    
+    private enum CodingKeys: String, CodingKey {
+        case domain
+        case title
+        case version
+        case sourceURL = "source_url"
+        case description
+        case usage
+        case thumbnail
+        case languages
+        case configuration
+        case registrations
+        case contact
+        case rules
+    }
+}
+
+extension InstanceV2 {
+    public struct Usage: Decodable, Sendable {
+        public let users: Users
+    }
+    public struct Users: Decodable, Sendable {
+        public let activeMonth: Int
+        private enum CodingKeys: String, CodingKey {
+            case activeMonth = "active_month"
+        }
+    }
+}
+
+extension InstanceV2 {
+    public struct Thumbnail: Decodable, Sendable {
+        public let url: String
+        public let blurhash: String?
+        public let versions: ThumbnailVersions
+    }
+    
+    public struct ThumbnailVersions: Decodable, Sendable {
+        public let oneX: String?
+        public let twoX: String?
+        private enum CodingKeys: String, CodingKey {
+            case oneX = "@1x"
+            case twoX = "@2x"
+        }
+    }
+}
+
+extension InstanceV2 {
+    public struct Configuration: Decodable, Sendable {
+        public let urls: URLs
+        public let accounts: Accounts
+        public let statuses: InstanceV1.StatusesConfiguration
+        public let mediaAttachments: InstanceV1.MediaAttachmentsConfiguration
+        public let polls: InstanceV1.PollsConfiguration
+        public let translation: Translation
+        
+        private enum CodingKeys: String, CodingKey {
+            case urls
+            case accounts
+            case statuses
+            case mediaAttachments = "media_attachments"
+            case polls
+            case translation
+        }
+    }
+    
+    public struct URLs: Decodable, Sendable {
+        // the docs incorrectly say the key for this is "streaming_api"
+        public let streaming: String
+    }
+    
+    public struct Accounts: Decodable, Sendable {
+        public let maxFeaturedTags: Int
+        
+        private enum CodingKeys: String, CodingKey {
+            case maxFeaturedTags = "max_featured_tags"
+        }
+    }
+    
+    public struct Translation: Decodable, Sendable {
+        public let enabled: Bool
+    }
+}
+
+extension InstanceV2 {
+    public struct Registrations: Decodable, Sendable {
+        public let enabled: Bool
+        public let approvalRequired: Bool
+        public let message: String?
+        
+        private enum CodingKeys: String, CodingKey {
+            case enabled
+            case approvalRequired = "approval_required"
+            case message
+        }
+    }
+}
+
+extension InstanceV2 {
+    public struct Contact: Decodable, Sendable {
+        public let email: String
+        public let account: Account
+    }
+}

Packages/Pachyderm/Sources/Pachyderm/Model/Status.swift

@@ -177,6 +177,10 @@ public final class Status: StatusProtocol, Decodable, Sendable {
         return Request(method: .get, path: "/api/v1/statuses/\(statusID)/history")
     }
     
+    public static func translate(_ statusID: String) -> Request<Translation> {
+        return Request(method: .post, path: "/api/v1/statuses/\(statusID)/translate")
+    }
+    
     private enum CodingKeys: String, CodingKey {
         case id
         case uri

Packages/Pachyderm/Sources/Pachyderm/Model/Translation.swift

@@ -0,0 +1,22 @@
+//
+//  Translation.swift
+//  Pachyderm
+//
+//  Created by Shadowfacts on 12/4/23.
+//
+
+import Foundation
+
+public struct Translation: Decodable, Sendable {
+    public let content: String
+    public let spoilerText: String?
+    public let detectedSourceLanguage: String
+    public let provider: String
+    
+    private enum CodingKeys: String, CodingKey {
+        case content
+        case spoilerText
+        case detectedSourceLanguage = "detected_source_language"
+        case provider
+    }
+}

ShareExtension/ShareMastodonContext.swift

@@ -28,7 +28,7 @@ class ShareMastodonContext: ComposeMastodonContext, ObservableObject {
         self.instanceFeatures = InstanceFeatures()
         
         Task { @MainActor in
-            async let instance = try? await run(Client.getInstance()).0
+            async let instance = try? await run(Client.getInstanceV1()).0
             async let nodeInfo: NodeInfo? = await withCheckedContinuation({ continuation in
                 self.client.nodeInfo { response in
                     switch response {
@@ -40,7 +40,7 @@ class ShareMastodonContext: ComposeMastodonContext, ObservableObject {
                 }
             })
             guard let instance = await instance else { return }
-            self.instanceFeatures.update(instance: InstanceInfo(instance: instance), nodeInfo: await nodeInfo)
+            self.instanceFeatures.update(instance: InstanceInfo(v1: instance), nodeInfo: await nodeInfo)
         }
         
         Task { @MainActor in

Tusker/API/MastodonController.swift

@@ -53,7 +53,8 @@ class MastodonController: ObservableObject {
     let instanceFeatures = InstanceFeatures()
     
     @Published private(set) var account: AccountMO?
-    @Published private(set) var instance: Instance?
+    @Published private(set) var instance: InstanceV1?
+    @Published private var instanceV2: InstanceV2?
     @Published private(set) var instanceInfo: InstanceInfo!
     @Published private(set) var nodeInfo: NodeInfo!
     @Published private(set) var lists: [List] = []
@@ -63,7 +64,7 @@ class MastodonController: ObservableObject {
     
     private var cancellables = Set<AnyCancellable>()
     
-    private var pendingOwnInstanceRequestCallbacks = [(Result<Instance, Client.Error>) -> Void]()
+    private var pendingOwnInstanceRequestCallbacks = [(Result<InstanceV1, Client.Error>) -> Void]()
     private var ownInstanceRequest: URLSessionTask?
     
     var loggedIn: Bool {
@@ -107,9 +108,14 @@ class MastodonController: ObservableObject {
         
         $instance
             .compactMap { $0 }
-            .sink { [unowned self] in
-                self.updateActiveInstance(from: $0)
-                self.instanceInfo = InstanceInfo(instance: $0)
+            .combineLatest($instanceV2)
+            .sink {[unowned self] (instance, v2) in
+                var info = InstanceInfo(v1: instance)
+                if let v2 {
+                    info.update(v2: v2)
+                }
+                self.instanceInfo = info
+                self.updateActiveInstance(from: info)
             }
             .store(in: &cancellables)
         
@@ -217,6 +223,10 @@ class MastodonController: ObservableObject {
                 
                 _ = try await (ownAccount, ownInstance)
                 
+                if instanceFeatures.hasMastodonVersion(4, 0, 0) {
+                    async let _ = try? getOwnInstanceV2()
+                }
+                
                 loadLists()
                 _ = await loadFilters()
                 await loadServerPreferences()
@@ -277,7 +287,7 @@ class MastodonController: ObservableObject {
         }
     }
     
-    func getOwnInstance(completion: ((Instance) -> Void)? = nil) {
+    func getOwnInstance(completion: ((InstanceV1) -> Void)? = nil) {
         getOwnInstanceInternal(retryAttempt: 0) {
             if case let .success(instance) = $0 {
                 completion?(instance)
@@ -286,7 +296,7 @@ class MastodonController: ObservableObject {
     }
     
     @MainActor
-    func getOwnInstance() async throws -> Instance {
+    func getOwnInstance() async throws -> InstanceV1 {
         return try await withCheckedThrowingContinuation({ continuation in
             getOwnInstanceInternal(retryAttempt: 0) { result in
                 continuation.resume(with: result)
@@ -294,7 +304,7 @@ class MastodonController: ObservableObject {
         })
     }
     
-    private func getOwnInstanceInternal(retryAttempt: Int, completion: ((Result<Instance, Client.Error>) -> Void)?) {
+    private func getOwnInstanceInternal(retryAttempt: Int, completion: ((Result<InstanceV1, Client.Error>) -> Void)?) {
         // this is main thread only to prevent concurrent access to ownInstanceRequest and pendingOwnInstanceRequestCallbacks
         assert(Thread.isMainThread)
         
@@ -306,7 +316,7 @@ class MastodonController: ObservableObject {
             }
           
             if ownInstanceRequest == nil {
-                let request = Client.getInstance()
+                let request = Client.getInstanceV1()
                 ownInstanceRequest = run(request) { (response) in
                     switch response {
                     case .failure(let error):
@@ -361,6 +371,10 @@ class MastodonController: ObservableObject {
         }
     }
     
+    private func getOwnInstanceV2() async throws {
+        self.instanceV2 = try await client.run(Client.getInstanceV2()).0
+    }
+    
     // MainActor because the accountPreferences instance is bound to the view context
     @MainActor
     private func loadServerPreferences() async {
@@ -376,13 +390,13 @@ class MastodonController: ObservableObject {
         }
     }
     
-    private func updateActiveInstance(from instance: Instance) {
+    private func updateActiveInstance(from info: InstanceInfo) {
         persistentContainer.performBackgroundTask { context in
             if let existing = try? context.fetch(ActiveInstance.fetchRequest()).first {
-                existing.update(from: instance)
+                existing.update(from: info)
             } else {
                 let new = ActiveInstance(context: context)
-                new.update(from: instance)
+                new.update(from: info)
             }
             if context.hasChanges {
                 try? context.save()

Tusker/CoreData/ActiveInstance.swift

@@ -22,18 +22,20 @@ public final class ActiveInstance: NSManagedObject {
     @NSManaged public var maxStatusCharacters: Int
     @NSManaged private var configurationData: Data?
     @NSManaged private var pollsConfigurationData: Data?
+    @NSManaged public var translation: Bool
     
     @LazilyDecoding(from: \ActiveInstance.configurationData, fallback: nil)
-    public var configuration: Instance.Configuration?
+    public var configuration: InstanceV1.Configuration?
     
     @LazilyDecoding(from: \ActiveInstance.pollsConfigurationData, fallback: nil)
-    public var pollsConfiguration: Instance.PollsConfiguration?
+    public var pollsConfiguration: InstanceV1.PollsConfiguration?
     
-    func update(from instance: Instance) {
-        self.version = instance.version
-        self.maxStatusCharacters = instance.maxStatusCharacters ?? 500
-        self.configuration = instance.configuration
-        self.pollsConfiguration = instance.pollsConfiguration
+    func update(from info: InstanceInfo) {
+        self.version = info.version
+        self.maxStatusCharacters = info.maxStatusCharacters ?? 500
+        self.configuration = info.configuration
+        self.pollsConfiguration = info.pollsConfiguration
+        self.translation = info.translation
     }
 }
 
@@ -43,7 +45,8 @@ extension InstanceInfo {
             version: activeInstance.version,
             maxStatusCharacters: activeInstance.maxStatusCharacters,
             configuration: activeInstance.configuration,
-            pollsConfiguration: activeInstance.pollsConfiguration
+            pollsConfiguration: activeInstance.pollsConfiguration,
+            translation: activeInstance.translation
         )
     }
 }

Tusker/CoreData/StatusMO.swift

@@ -54,6 +54,7 @@ public final class StatusMO: NSManagedObject, StatusProtocol {
     @NSManaged public var reblog: StatusMO?
     @NSManaged public var localOnly: Bool
     @NSManaged public var lastFetchedAt: Date?
+    @NSManaged public var language: String?
     
     @LazilyDecoding(arrayFrom: \StatusMO.attachmentsData)
     public var attachments: [Attachment]
@@ -139,6 +140,7 @@ extension StatusMO {
         self.visibility = status.visibility
         self.poll = status.poll
         self.localOnly = status.localOnly ?? false
+        self.language = status.language
         
         if let existing = container.account(for: status.account.id, in: context) {
             existing.updateFrom(apiAccount: status.account, container: container)

Tusker/CoreData/Tusker.xcdatamodeld/Tusker.xcdatamodel/contents

@@ -41,6 +41,7 @@
         <attribute name="configurationData" optional="YES" attributeType="Binary"/>
         <attribute name="maxStatusCharacters" optional="YES" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES"/>
         <attribute name="pollsConfigurationData" optional="YES" attributeType="Binary"/>
+        <attribute name="translation" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES"/>
         <attribute name="version" optional="YES" attributeType="String"/>
     </entity>
     <entity name="Filter" representedClassName="FilterMO" syncable="YES">
@@ -109,6 +110,7 @@
         <attribute name="id" attributeType="String"/>
         <attribute name="inReplyToAccountID" optional="YES" attributeType="String"/>
         <attribute name="inReplyToID" optional="YES" attributeType="String"/>
+        <attribute name="language" optional="YES" attributeType="String"/>
         <attribute name="lastFetchedAt" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
         <attribute name="localOnly" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES"/>
         <attribute name="mentionsData" attributeType="Binary"/>

Tusker/Screens/Conversation/ConversationCollectionViewController.swift

@@ -15,6 +15,7 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
     private let mastodonController: MastodonController
     private let mainStatusID: String
     private let mainStatusState: CollapseState
+    private var mainStatusTranslation: Translation?
     var statusIDToScrollToOnLoad: String
     var showStatusesAutomatically = false
     
@@ -88,11 +89,14 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
             cell.updateUI(statusID: item.0, state: item.1, filterResult: .allow, precomputedContent: nil)
             cell.setShowThreadLinks(prev: item.2, next: item.3)
         }
-        let mainStatusCell = UICollectionView.CellRegistration<ConversationMainStatusCollectionViewCell, (String, CollapseState, Bool)> { [unowned self] cell, indexPath, item in
+        let mainStatusCell = UICollectionView.CellRegistration<ConversationMainStatusCollectionViewCell, (String, CollapseState, Translation?, Bool)> { [unowned self] cell, indexPath, item in
             cell.delegate = self
+            cell.translateStatus = { [unowned self] in
+                self.translateMainStatus()
+            }
             cell.showStatusAutomatically = self.showStatusesAutomatically
-            cell.updateUI(statusID: item.0, state: item.1)
-            cell.setShowThreadLinks(prev: item.2, next: false)
+            cell.updateUI(statusID: item.0, state: item.1, translation: item.2)
+            cell.setShowThreadLinks(prev: item.3, next: false)
         }
         let expandThreadCell = UICollectionView.CellRegistration<ExpandThreadCollectionViewCell, ([ConversationNode], Bool)> { cell, indexPath, item in
             cell.updateUI(childThreads: item.0, inline: item.1)
@@ -104,7 +108,7 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
             switch itemIdentifier {
             case let .status(id: id, node: _, state: state, prevLink: prevLink, nextLink: nextLink):
                 if id == self.mainStatusID {
-                    return collectionView.dequeueConfiguredReusableCell(using: mainStatusCell, for: indexPath, item: (id, state, prevLink))
+                    return collectionView.dequeueConfiguredReusableCell(using: mainStatusCell, for: indexPath, item: (id, state, self.mainStatusTranslation, prevLink))
                 } else {
                     return collectionView.dequeueConfiguredReusableCell(using: statusCell, for: indexPath, item: (id, state, prevLink, nextLink))
                 }
@@ -260,6 +264,30 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
         }
     }
     
+    private func translateMainStatus() {
+        Task { @MainActor in
+            let translation: Translation
+            do {
+                translation = try await mastodonController.run(Status.translate(mainStatusID)).0
+            } catch {
+                let config = ToastConfiguration(from: error, with: "Error Translating", in: self) { toast in
+                    toast.dismissToast(animated: true)
+                    self.translateMainStatus()
+                }
+                self.showToast(configuration: config, animated: true)
+                return
+            }
+            
+            mainStatusTranslation = translation
+            
+            var snapshot = dataSource.snapshot()
+            snapshot.reconfigureItems(snapshot.itemIdentifiers(inSection: .mainStatus))
+            await MainActor.run {
+                dataSource.apply(snapshot, animatingDifferences: true)
+            }
+        }
+    }
+    
 }
 
 extension ConversationCollectionViewController {

Tusker/Screens/Onboarding/InstanceSelectorTableViewController.swift

@@ -162,7 +162,7 @@ class InstanceSelectorTableViewController: UITableViewController {
         }
 
         let client = Client(baseURL: url, session: .appDefault)
-        let request = Client.getInstance()
+        let request = Client.getInstanceV1()
         client.run(request) { (response) in
             var snapshot = self.dataSource.snapshot()
             if snapshot.indexOfSection(.selected) != nil {
@@ -309,7 +309,7 @@ extension InstanceSelectorTableViewController {
         case recommendedInstances
     }
     enum Item: Equatable, Hashable {
-        case selected(URL, Instance)
+        case selected(URL, InstanceV1)
         case recommended(InstanceSelector.Instance)
         
         static func ==(lhs: Item, rhs: Item) -> Bool {

Tusker/Screens/Status Edit History/StatusEditCollectionViewCell.swift

@@ -61,13 +61,34 @@ class StatusEditCollectionViewCell: UICollectionViewListCell {
         $0.addTarget(self, action: #selector(collapseButtonPressed), for: .touchUpInside)
     }
     
-    private let contentContainer = StatusContentContainer<StatusEditContentTextView, StatusEditPollView>(useTopSpacer: false).configure {
-        $0.contentTextView.defaultFont = TimelineStatusCollectionViewCell.contentFont
-        $0.contentTextView.monospaceFont = TimelineStatusCollectionViewCell.monospaceFont
-        $0.contentTextView.paragraphStyle = TimelineStatusCollectionViewCell.contentParagraphStyle
+    private lazy var contentContainer = StatusContentContainer(arrangedSubviews: [
+        contentTextView,
+        cardView,
+        attachmentsView,
+        pollView,
+    ] as! [any StatusContentView], useTopSpacer: false).configure {
         $0.setContentHuggingPriority(.defaultLow, for: .vertical)
     }
     
+    private let contentTextView = StatusEditContentTextView().configure {
+        $0.adjustsFontForContentSizeCategory = true
+        $0.isScrollEnabled = false
+        $0.backgroundColor = nil
+        $0.isEditable = false
+        $0.isSelectable = false
+        $0.defaultFont = TimelineStatusCollectionViewCell.contentFont
+        $0.monospaceFont = TimelineStatusCollectionViewCell.monospaceFont
+        $0.paragraphStyle = TimelineStatusCollectionViewCell.contentParagraphStyle
+    }
+    
+    private let cardView = StatusCardView().configure {
+        $0.heightAnchor.constraint(equalToConstant: StatusContentContainer.cardViewHeight).isActive = true
+    }
+    
+    private let attachmentsView = AttachmentsContainerView()
+    
+    private let pollView = StatusEditPollView()
+    
     weak var delegate: StatusEditCollectionViewCellDelegate?
     private var mastodonController: MastodonController! { delegate?.apiController }
     
@@ -108,7 +129,7 @@ class StatusEditCollectionViewCell: UICollectionViewListCell {
                 }
                 str += "collapsed"
             } else {
-                str += AttributedString(contentContainer.contentTextView.attributedText)
+                str += AttributedString(contentTextView.attributedText)
                 
                 if edit.attachments.count > 0 {
                     let includeDescriptions: Bool
@@ -170,13 +191,13 @@ class StatusEditCollectionViewCell: UICollectionViewListCell {
         
         timestampLabel.text = ConversationMainStatusCollectionViewCell.dateFormatter.string(from: edit.createdAt)
         
-        contentContainer.contentTextView.setTextFrom(edit: edit, index: index)
-        contentContainer.contentTextView.navigationDelegate = delegate
-        contentContainer.attachmentsView.delegate = self
-        contentContainer.attachmentsView.updateUI(attachments: edit.attachments)
-        contentContainer.pollView.isHidden = edit.poll == nil
-        contentContainer.pollView.updateUI(poll: edit.poll, emojis: edit.emojis)
-        contentContainer.cardView.isHidden = true
+        contentTextView.setTextFrom(edit: edit, index: index)
+        contentTextView.navigationDelegate = delegate
+        attachmentsView.delegate = self
+        attachmentsView.updateUI(attachments: edit.attachments)
+        pollView.isHidden = edit.poll == nil
+        pollView.updateUI(poll: edit.poll, emojis: edit.emojis)
+        cardView.isHidden = true
         
         contentWarningLabel.text = edit.spoilerText
         contentWarningLabel.isHidden = edit.spoilerText.isEmpty
@@ -219,9 +240,9 @@ extension StatusEditCollectionViewCell: AttachmentViewDelegate {
         guard let delegate else {
             return nil
         }
-        let attachments = contentContainer.attachmentsView.attachments!
+        let attachments = attachmentsView.attachments!
         let sourceViews = attachments.map {
-            contentContainer.attachmentsView.getAttachmentView(for: $0)
+            attachmentsView.getAttachmentView(for: $0)
         }
         let gallery = delegate.gallery(attachments: attachments, sourceViews: sourceViews, startIndex: index)
         return gallery

Tusker/Screens/Status Edit History/StatusEditPollView.swift

@@ -9,7 +9,7 @@
 import UIKit
 import Pachyderm
 
-class StatusEditPollView: UIStackView, StatusContentPollView {
+class StatusEditPollView: UIStackView, StatusContentView {
     
     private var titleLabels: [EmojiLabel] = []
     

Tusker/Views/Attachments/AttachmentsContainerView.swift

@@ -80,6 +80,7 @@ class AttachmentsContainerView: UIView {
         }
         
         guard self.attachmentTokens != newTokens else {
+            self.isHidden = attachments.isEmpty
             return
         }
         

Tusker/Views/ContentTextView.swift

@@ -23,7 +23,7 @@ class ContentTextView: LinkTextView, BaseEmojiLabel {
     weak var overrideMastodonController: MastodonController?
     var mastodonController: MastodonController? { overrideMastodonController ?? navigationDelegate?.apiController }
 
-    private var htmlConverter = HTMLConverter()
+    private(set) var htmlConverter = HTMLConverter()
     var defaultFont: UIFont {
         _read { yield htmlConverter.font }
         _modify { yield &htmlConverter.font }

Tusker/Views/Instance Cell/InstanceTableViewCell.swift

@@ -16,7 +16,7 @@ class InstanceTableViewCell: UITableViewCell {
     @IBOutlet weak var adultLabel: UILabel!
     @IBOutlet weak var descriptionTextView: ContentTextView!
     
-    var instance: Instance?
+    var instance: InstanceV1?
     var selectorInstance: InstanceSelector.Instance?
     
     var thumbnailURL: URL?
@@ -53,7 +53,7 @@ class InstanceTableViewCell: UITableViewCell {
         updateThumbnail(url: instance.proxiedThumbnailURL)
     }
     
-    func updateUI(instance: Instance) {
+    func updateUI(instance: InstanceV1) {
         self.instance = instance
         self.selectorInstance = nil
 

Tusker/Views/Poll/StatusPollView.swift

@@ -9,7 +9,7 @@
 import UIKit
 import Pachyderm
 
-class StatusPollView: UIView, StatusContentPollView {
+class StatusPollView: UIView, StatusContentView {
 
     private static let formatter: DateComponentsFormatter = {
         let f = DateComponentsFormatter()

Tusker/Views/Status/ConversationMainStatusCollectionViewCell.swift

@@ -117,18 +117,40 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
         $0.addTarget(self, action: #selector(collapseButtonPressed), for: .touchUpInside)
     }
     
-    let contentContainer = StatusContentContainer<StatusContentTextView, StatusPollView>(useTopSpacer: true).configure {
-        $0.contentTextView.defaultFont = ConversationMainStatusCollectionViewCell.contentFont
-        $0.contentTextView.monospaceFont = ConversationMainStatusCollectionViewCell.monospaceFont
-        $0.contentTextView.paragraphStyle = ConversationMainStatusCollectionViewCell.contentParagraphStyle
-        $0.contentTextView.isSelectable = true
-        $0.contentTextView.dataDetectorTypes = [.flightNumber, .address, .shipmentTrackingNumber, .phoneNumber]
-        if #available(iOS 16.0, *) {
-            $0.contentTextView.dataDetectorTypes.formUnion([.money, .physicalValue])
-        }
+    private(set) lazy var contentContainer = StatusContentContainer(arrangedSubviews: [
+        contentTextView,
+        cardView,
+        attachmentsView,
+        pollView,
+    ] as! [any StatusContentView], useTopSpacer: true).configure {
         $0.setContentHuggingPriority(.defaultLow, for: .vertical)
     }
     
+    let contentTextView =  StatusContentTextView().configure {
+        $0.adjustsFontForContentSizeCategory = true
+        $0.isScrollEnabled = false
+        $0.backgroundColor = nil
+        $0.isEditable = false
+        $0.isSelectable = true
+        $0.defaultFont = ConversationMainStatusCollectionViewCell.contentFont
+        $0.monospaceFont = ConversationMainStatusCollectionViewCell.monospaceFont
+        $0.paragraphStyle = ConversationMainStatusCollectionViewCell.contentParagraphStyle
+        $0.dataDetectorTypes = [.flightNumber, .address, .shipmentTrackingNumber, .phoneNumber]
+        if #available(iOS 16.0, *) {
+            $0.dataDetectorTypes.formUnion([.money, .physicalValue])
+        }
+    }
+    
+    private var translateButton: TranslateButton?
+    
+    let cardView = StatusCardView().configure {
+        $0.heightAnchor.constraint(equalToConstant: StatusContentContainer.cardViewHeight).isActive = true
+    }
+    
+    let attachmentsView = AttachmentsContainerView()
+    
+    let pollView = StatusPollView()
+    
     private lazy var favoritesCountButton = UIButton().configure {
         $0.titleLabel!.adjustsFontForContentSizeCategory = true
         $0.addTarget(self, action: #selector(favoritesCountPressed), for: .touchUpInside)
@@ -289,6 +311,7 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
     var mastodonController: MastodonController! { delegate?.apiController }
     weak var delegate: StatusCollectionViewCellDelegate?
     var showStatusAutomatically = false
+    var translateStatus: (() -> Void)?
     
     var statusID: String!
     var statusState: CollapseState!
@@ -318,9 +341,9 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
             accountDetailAccessibilityElement,
             contentWarningLabel,
             collapseButton,
-            contentContainer.contentTextView,
-            contentContainer.attachmentsView,
-            contentContainer.pollView,
+            contentTextView,
+            attachmentsView,
+            pollView,
             favoritesCountButton,
             reblogsCountButton,
             timestampAndClientLabel,
@@ -348,7 +371,7 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
     
     // MARK: Configure UI
     
-    func updateUI(statusID: String, state: CollapseState) {
+    func updateUI(statusID: String, state: CollapseState, translation: Translation?) {
         guard let status = mastodonController.persistentContainer.status(for: statusID) else {
             fatalError()
         }
@@ -358,7 +381,17 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
         self.statusID = statusID
         self.statusState = state
         
-        doUpdateUI(status: status)
+        let attributedTranslatedContent: NSAttributedString? = translation.map {
+            contentTextView.htmlConverter.convert($0.content)
+        }
+        doUpdateUI(status: status, precomputedContent: attributedTranslatedContent)
+        
+        if !status.spoilerText.isEmpty,
+           let translated = translation?.spoilerText {
+            contentWarningLabel.text = translated
+            contentWarningLabel.setEmojis(status.emojis, identifier: "\(statusID)_translated")
+        }
+        
         accountDetailToContentWarningSpacer.isHidden = collapseButton.isHidden
         contentWarningToCollapseButtonSpacer.isHidden = collapseButton.isHidden
         
@@ -383,6 +416,31 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
         } else {
             editTimestampButton.isHidden = true
         }
+        
+        if mastodonController.instanceFeatures.translation,
+           let preferredLanguage = mastodonController.accountPreferences.serverDefaultLanguage,
+           preferredLanguage != status.language {
+            var config = UIButton.Configuration.tinted()
+                config.image = UIImage(systemName: "globe")!
+            if let translation {
+                let lang = Locale.current.localizedString(forLanguageCode: translation.detectedSourceLanguage) ?? translation.detectedSourceLanguage
+                config.title = "Translated from \(lang)"
+            } else {
+                config.title = "Translate"
+            }
+            
+            if let translateButton {
+                translateButton.configuration = config
+            } else {
+                let button = TranslateButton(configuration: config)
+                button.addTarget(self, action: #selector(translatePressed), for: .touchUpInside)
+                translateButton = button
+                contentContainer.insertArrangedSubview(button, after: contentTextView)
+            }
+            translateButton!.isEnabled = translation == nil
+        } else if let translateButton {
+            contentContainer.removeArrangedSubview(translateButton)
+        }
     }
     
     private func createObservers() {
@@ -487,6 +545,10 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
         delegate?.show(StatusEditHistoryViewController(statusID: statusID, mastodonController: mastodonController), sender: nil)
     }
     
+    @objc private func translatePressed() {
+        translateStatus?()
+    }
+    
 }
 
 private class ConversationMainStatusAccountDetailAccessibilityElement: UIAccessibilityElement {
@@ -555,3 +617,13 @@ extension ConversationMainStatusCollectionViewCell: UIPointerInteractionDelegate
         return nil
     }
 }
+
+private class TranslateButton: UIButton, StatusContentView {
+    var statusContentFillsHorizontally: Bool {
+        false
+    }
+    
+    func estimateHeight(effectiveWidth: CGFloat) -> CGFloat {
+        0
+    }
+}

Tusker/Views/Status/StatusCollectionViewCell.swift

@@ -24,7 +24,11 @@ protocol StatusCollectionViewCell: UICollectionViewCell, AttachmentViewDelegate
     var usernameLabel: UILabel { get }
     var contentWarningLabel: EmojiLabel { get }
     var collapseButton: StatusCollapseButton { get }
-    var contentContainer: StatusContentContainer<StatusContentTextView, StatusPollView> { get }
+    var contentContainer: StatusContentContainer { get }
+    var contentTextView: StatusContentTextView { get }
+    var pollView: StatusPollView { get }
+    var cardView: StatusCardView { get }
+    var attachmentsView: AttachmentsContainerView { get }
     var replyButton: UIButton { get }
     var favoriteButton: ToggleableButton { get }
     var reblogButton: ToggleableButton { get }
@@ -90,20 +94,20 @@ extension StatusCollectionViewCell {
         
         updateAccountUI(account: status.account)
         
-        contentContainer.contentTextView.setTextFrom(status: status, precomputed: precomputedContent)
-        contentContainer.contentTextView.navigationDelegate = delegate
+        contentTextView.setTextFrom(status: status, precomputed: precomputedContent)
+        contentTextView.navigationDelegate = delegate
         self.updateAttachmentsUI(status: status)
-        contentContainer.pollView.isHidden = status.poll == nil
-        contentContainer.pollView.mastodonController = mastodonController
-        contentContainer.pollView.delegate = delegate
-        contentContainer.pollView.updateUI(status: status, poll: status.poll)
+        pollView.isHidden = status.poll == nil
+        pollView.mastodonController = mastodonController
+        pollView.delegate = delegate
+        pollView.updateUI(status: status, poll: status.poll)
         if Preferences.shared.showLinkPreviews {
-            contentContainer.cardView.updateUI(status: status)
-            contentContainer.cardView.isHidden = status.card == nil
-            contentContainer.cardView.navigationDelegate = delegate
-            contentContainer.cardView.actionProvider = delegate
+            cardView.updateUI(status: status)
+            cardView.isHidden = status.card == nil
+            cardView.navigationDelegate = delegate
+            cardView.actionProvider = delegate
         } else {
-            contentContainer.cardView.isHidden = true
+            cardView.isHidden = true
         }
         
         updateUIForPreferences(status: status)
@@ -168,8 +172,8 @@ extension StatusCollectionViewCell {
     }
     
     func updateAttachmentsUI(status: StatusMO) {
-        contentContainer.attachmentsView.delegate = self
-        contentContainer.attachmentsView.updateUI(attachments: status.attachments)
+        attachmentsView.delegate = self
+        attachmentsView.updateUI(attachments: status.attachments)
     }
  
     func updateAccountUI(account: AccountMO) {
@@ -182,20 +186,20 @@ extension StatusCollectionViewCell {
         avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadiusFraction * Self.avatarImageViewSize
         
         let newCardHidden = !Preferences.shared.showLinkPreviews || status.card == nil
-        if contentContainer.cardView.isHidden != newCardHidden {
+        if cardView.isHidden != newCardHidden {
             delegate?.statusCellNeedsReconfigure(self, animated: false, completion: nil)
         }
         
         switch Preferences.shared.attachmentBlurMode {
         case .never:
-            contentContainer.attachmentsView.contentHidden = false
+            attachmentsView.contentHidden = false
         case .always:
-            contentContainer.attachmentsView.contentHidden = true
+            attachmentsView.contentHidden = true
         default:
             if status.sensitive {
-                contentContainer.attachmentsView.contentHidden = status.spoilerText.isEmpty || Preferences.shared.blurMediaBehindContentWarning
+                attachmentsView.contentHidden = status.spoilerText.isEmpty || Preferences.shared.blurMediaBehindContentWarning
             } else {
-                contentContainer.attachmentsView.contentHidden = false
+                attachmentsView.contentHidden = false
             }
         }
         
@@ -211,8 +215,8 @@ extension StatusCollectionViewCell {
     // only called when isGrayscale does not match the pref
     func updateGrayscaleableUI(status: StatusMO) {
         isGrayscale = Preferences.shared.grayscaleImages
-        if contentContainer.contentTextView.hasEmojis {
-            contentContainer.contentTextView.setEmojis(status.emojis, identifier: status.id)
+        if contentTextView.hasEmojis {
+            contentTextView.setEmojis(status.emojis, identifier: status.id)
         }
         displayNameLabel.updateForAccountDisplayName(account: status.account)
     }
@@ -235,10 +239,10 @@ extension StatusCollectionViewCell {
         // do not include reply action here, because the cell already contains a button for it
         moreButton.menu = UIMenu(title: "", image: nil, identifier: nil, options: [], children: delegate?.actionsForStatus(status, source: .view(moreButton), includeStatusButtonActions: false) ?? [])
         
-        contentContainer.pollView.isHidden = status.poll == nil
-        contentContainer.pollView.mastodonController = mastodonController
-        contentContainer.pollView.delegate = delegate
-        contentContainer.pollView.updateUI(status: status, poll: status.poll)
+        pollView.isHidden = status.poll == nil
+        pollView.mastodonController = mastodonController
+        pollView.delegate = delegate
+        pollView.updateUI(status: status, poll: status.poll)
     }
     
     func setShowThreadLinks(prev: Bool, next: Bool) {
@@ -327,7 +331,7 @@ extension StatusCollectionViewCell {
     func attachmentViewGallery(startingAt index: Int) -> GalleryViewController? {
         guard let delegate = delegate,
               let status = mastodonController.persistentContainer.status(for: statusID) else { return nil }
-        let sourceViews = status.attachments.map(contentContainer.attachmentsView.getAttachmentView(for:))
+        let sourceViews = status.attachments.map(attachmentsView.getAttachmentView(for:))
         let gallery = delegate.gallery(attachments: status.attachments, sourceViews: sourceViews, startIndex: index)
         // TODO: PiP
 //        gallery.avPlayerViewControllerDelegate = self

Tusker/Views/Status/StatusContentContainer.swift

@@ -8,45 +8,11 @@
 
 import UIKit
 
-protocol StatusContentPollView: UIView {
-    func estimateHeight(effectiveWidth: CGFloat) -> CGFloat
-}
-
-class StatusContentContainer<ContentView: ContentTextView, PollView: StatusContentPollView>: UIView {
+class StatusContentContainer: UIView {
+    // TODO: this is a weird place for this
+    static var cardViewHeight: CGFloat { 90 }
     
-    private let useTopSpacer: Bool
-    private lazy var topSpacer = UIView().configure {
-        $0.backgroundColor = .clear
-        // other 4pt is provided by this view's own spacing
-        $0.heightAnchor.constraint(equalToConstant: 4).isActive = true
-    }
-
-    let contentTextView = ContentView().configure {
-         $0.adjustsFontForContentSizeCategory = true
-         $0.isScrollEnabled = false
-         $0.backgroundColor = nil
-         $0.isEditable = false
-         $0.isSelectable = false
-    }
-    
-    private static var cardViewHeight: CGFloat { 90 }
-    let cardView = StatusCardView().configure {
-        NSLayoutConstraint.activate([
-            $0.heightAnchor.constraint(equalToConstant: StatusContentContainer.cardViewHeight),
-        ])
-    }
-    
-    let attachmentsView = AttachmentsContainerView()
-    
-    let pollView = PollView()
-    
-    private var arrangedSubviews: [UIView] {
-        if useTopSpacer {
-            return [topSpacer, contentTextView, cardView, attachmentsView, pollView]
-        } else {
-            return [contentTextView, cardView, attachmentsView, pollView]
-        }
-    }
+    private var arrangedSubviews: [any StatusContentView]
     
     private var isHiddenObservations: [NSKeyValueObservation] = []
     
@@ -61,8 +27,12 @@ class StatusContentContainer<ContentView: ContentTextView, PollView: StatusConte
         subviews.filter { !$0.isHidden }.map(\.bounds.height).reduce(0, +)
     }
    
-    init(useTopSpacer: Bool) {
-        self.useTopSpacer = useTopSpacer
+    init(arrangedSubviews: [any StatusContentView], useTopSpacer: Bool) {
+        var arrangedSubviews = arrangedSubviews
+        if useTopSpacer {
+            arrangedSubviews.insert(TopSpacerView(), at: 0)
+        }
+        self.arrangedSubviews = arrangedSubviews
         
         super.init(frame: .zero)
         
@@ -70,10 +40,14 @@ class StatusContentContainer<ContentView: ContentTextView, PollView: StatusConte
             subview.translatesAutoresizingMaskIntoConstraints = false
             addSubview(subview)
             
-            NSLayoutConstraint.activate([
-                subview.leadingAnchor.constraint(equalTo: leadingAnchor),
-                subview.trailingAnchor.constraint(equalTo: trailingAnchor),
-            ])
+            if subview.statusContentFillsHorizontally {
+                NSLayoutConstraint.activate([
+                    subview.leadingAnchor.constraint(equalTo: leadingAnchor),
+                    subview.trailingAnchor.constraint(equalTo: trailingAnchor),
+                ])
+            } else {
+                subview.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
+            }
         }
         
         // this constraint needs to have low priority so that during the collapse/expand animation, the content container is the view that shrinks/expands
@@ -82,17 +56,21 @@ class StatusContentContainer<ContentView: ContentTextView, PollView: StatusConte
         
         setNeedsUpdateConstraints()
                 
-        isHiddenObservations = arrangedSubviews.map {
-            $0.observe(\.isHidden) { [unowned self] _, _ in
-                self.setNeedsUpdateConstraints()
-            }
-        }
+        updateObservations()
     }
     
     required init?(coder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
     
+    private func updateObservations() {
+        isHiddenObservations = arrangedSubviews.map {
+            $0.observeIsHidden { [unowned self] in
+                self.setNeedsUpdateConstraints()
+            }
+        }
+    }
+    
     override func updateConstraints() {
         let visibleSubviews = IndexSet(arrangedSubviews.indices.filter { !arrangedSubviews[$0].isHidden })
         if self.visibleSubviews != visibleSubviews {
@@ -129,6 +107,31 @@ class StatusContentContainer<ContentView: ContentTextView, PollView: StatusConte
         super.updateConstraints()
     }
     
+    func insertArrangedSubview(_ view: any StatusContentView, after: any StatusContentView) {
+        view.translatesAutoresizingMaskIntoConstraints = false
+        addSubview(view)
+        if view.statusContentFillsHorizontally {
+            NSLayoutConstraint.activate([
+                view.leadingAnchor.constraint(equalTo: leadingAnchor),
+                view.trailingAnchor.constraint(equalTo: trailingAnchor),
+            ])
+        } else {
+            view.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
+        }
+        
+        let index = arrangedSubviews.firstIndex(where: { $0 === after })!
+        arrangedSubviews.insert(view, at: index + 1)
+        setNeedsUpdateConstraints()
+        updateObservations()
+    }
+    
+    func removeArrangedSubview(_ view: any StatusContentView) {
+        view.removeFromSuperview()
+        arrangedSubviews.removeAll(where: { $0 === view })
+        setNeedsUpdateConstraints()
+        updateObservations()
+    }
+    
     func setCollapsed(_ collapsed: Bool) {
         guard collapsed != isCollapsed else {
             return
@@ -147,18 +150,67 @@ class StatusContentContainer<ContentView: ContentTextView, PollView: StatusConte
     // just roughly inline with the content height
     func estimateVisibleSubviewHeight(effectiveWidth: CGFloat) -> CGFloat {
         var height: CGFloat = 0
-        height += contentTextView.sizeThatFits(CGSize(width: effectiveWidth, height: UIView.layoutFittingCompressedSize.height)).height
-        if !cardView.isHidden {
-            height += StatusContentContainer.cardViewHeight
-        }
-        if !attachmentsView.isHidden {
-            height += effectiveWidth / attachmentsView.aspectRatio
-        }
-        if !pollView.isHidden {
-            let pollHeight = pollView.estimateHeight(effectiveWidth: effectiveWidth)
-            height += pollHeight
+        for view in arrangedSubviews where !view.isHidden {
+            height += view.estimateHeight(effectiveWidth: effectiveWidth)
         }
         return height
     }
     
 }
+
+extension StatusContentContainer {
+    private class TopSpacerView: UIView, StatusContentView {
+        init() {
+            super.init(frame: .zero)
+            
+            backgroundColor = .clear
+            // other 4pt is provided by this view's own spacing
+            heightAnchor.constraint(equalToConstant: 4).isActive = true
+        }
+        
+        required init?(coder: NSCoder) {
+            fatalError("init(coder:) has not been implemented")
+        }
+        
+        func estimateHeight(effectiveWidth: CGFloat) -> CGFloat {
+            4
+        }
+    }
+}
+
+private extension UIView {
+    func observeIsHidden(_ f: @escaping () -> Void) -> NSKeyValueObservation {
+        self.observe(\.isHidden) { _, _ in
+            f()
+        }
+    }
+}
+
+protocol StatusContentView: UIView {
+    var statusContentFillsHorizontally: Bool { get }
+    func estimateHeight(effectiveWidth: CGFloat) -> CGFloat
+}
+
+extension StatusContentView {
+    var statusContentFillsHorizontally: Bool {
+        true
+    }
+}
+
+extension ContentTextView: StatusContentView {
+    func estimateHeight(effectiveWidth: CGFloat) -> CGFloat {
+        sizeThatFits(CGSize(width: effectiveWidth, height: UIView.layoutFittingCompressedSize.height)).height
+    }
+}
+
+extension StatusCardView: StatusContentView {
+    func estimateHeight(effectiveWidth: CGFloat) -> CGFloat {
+        StatusContentContainer.cardViewHeight
+    }
+}
+
+extension AttachmentsContainerView: StatusContentView {
+    func estimateHeight(effectiveWidth: CGFloat) -> CGFloat {
+        effectiveWidth / aspectRatio
+    }
+}

Tusker/Views/Status/TimelineStatusCollectionViewCell.swift

@@ -186,25 +186,34 @@ class TimelineStatusCollectionViewCell: UICollectionViewListCell, StatusCollecti
         $0.setContentCompressionResistancePriority(.required, for: .vertical)
     }
     
-    let contentContainer = StatusContentContainer<StatusContentTextView, StatusPollView>(useTopSpacer: false).configure {
-        $0.contentTextView.defaultFont = TimelineStatusCollectionViewCell.contentFont
-        $0.contentTextView.monospaceFont = TimelineStatusCollectionViewCell.monospaceFont
-        $0.contentTextView.paragraphStyle = TimelineStatusCollectionViewCell.contentParagraphStyle
+    private(set) lazy var contentContainer = StatusContentContainer(arrangedSubviews: [
+        contentTextView,
+        cardView,
+        attachmentsView,
+        pollView,
+    ] as! [any StatusContentView], useTopSpacer: false).configure {
         $0.setContentHuggingPriority(.defaultLow, for: .vertical)
     }
-    private var contentTextView: StatusContentTextView {
-        contentContainer.contentTextView
+    
+    let contentTextView =  StatusContentTextView().configure {
+        $0.adjustsFontForContentSizeCategory = true
+        $0.isScrollEnabled = false
+        $0.backgroundColor = nil
+        $0.isEditable = false
+        $0.isSelectable = false
+        $0.defaultFont = TimelineStatusCollectionViewCell.contentFont
+        $0.monospaceFont = TimelineStatusCollectionViewCell.monospaceFont
+        $0.paragraphStyle = TimelineStatusCollectionViewCell.contentParagraphStyle
     }
-    private var cardView: StatusCardView {
-        contentContainer.cardView
-    }
-    private var attachmentsView: AttachmentsContainerView {
-        contentContainer.attachmentsView
-    }
-    private var pollView: StatusPollView {
-        contentContainer.pollView
+    
+    let cardView = StatusCardView().configure {
+        $0.heightAnchor.constraint(equalToConstant: StatusContentContainer.cardViewHeight).isActive = true
     }
     
+    let attachmentsView = AttachmentsContainerView()
+    
+    let pollView = StatusPollView()
+    
     private var placeholderReplyButtonLeadingConstraint: NSLayoutConstraint!
     private lazy var actionsContainer = UIView().configure {
         replyButton.translatesAutoresizingMaskIntoConstraints = false