Rename NewComposeHostingController to ComposeHostingController

Packages/ComposeUI/.gitignore

@@ -0,0 +1,9 @@
+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc

Packages/ComposeUI/Package.resolved

@@ -0,0 +1,23 @@
+{
+  "pins" : [
+    {
+      "identity" : "swift-system",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-system.git",
+      "state" : {
+        "revision" : "025bcb1165deab2e20d4eaba79967ce73013f496",
+        "version" : "1.2.1"
+      }
+    },
+    {
+      "identity" : "swift-url",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/karwa/swift-url.git",
+      "state" : {
+        "branch" : "main",
+        "revision" : "6f45f3cd6606f39c3753b302fe30aea980067b30"
+      }
+    }
+  ],
+  "version" : 2
+}

Packages/ComposeUI/Package.swift

@@ -0,0 +1,33 @@
+// swift-tools-version: 5.7
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "ComposeUI",
+    platforms: [
+        .iOS(.v15),
+    ],
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "ComposeUI",
+            targets: ["ComposeUI"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        .package(path: "../Pachyderm"),
+        .package(path: "../InstanceFeatures"),
+        .package(path: "../TuskerComponents"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "ComposeUI",
+            dependencies: ["Pachyderm", "InstanceFeatures", "TuskerComponents"]),
+        .testTarget(
+            name: "ComposeUITests",
+            dependencies: ["ComposeUI"]),
+    ]
+)

Packages/ComposeUI/README.md

@@ -0,0 +1,3 @@
+# ComposeUI
+
+A description of this package.

Packages/ComposeUI/Sources/ComposeUI/API/PostService.swift

@@ -11,14 +11,16 @@ import Pachyderm
 import UniformTypeIdentifiers
 
 class PostService: ObservableObject {
-    private let mastodonController: MastodonController
+    private let mastodonController: ComposeMastodonContext
+    private let config: ComposeUIConfig
     private let draft: Draft
     let totalSteps: Int
     
     @Published var currentStep = 1
     
-    init(mastodonController: MastodonController, draft: Draft) {
+    init(mastodonController: ComposeMastodonContext, config: ComposeUIConfig, draft: Draft) {
         self.mastodonController = mastodonController
+        self.config = config
         self.draft = draft
         // 2 steps (request data, then upload) for each attachment
         self.totalSteps = 2 + (draft.attachments.count * 2)
@@ -40,7 +42,7 @@ class PostService: ObservableObject {
         
         let request = Client.createStatus(
             text: textForPosting(),
-            contentType: Preferences.shared.statusContentType,
+            contentType: config.contentType,
             inReplyTo: draft.inReplyToID,
             media: uploadedAttachments,
             sensitive: sensitive,
@@ -57,6 +59,7 @@ class PostService: ObservableObject {
             currentStep += 1
             
             DraftsManager.shared.remove(self.draft)
+            DraftsManager.save()
         } catch let error as Client.Error {
             throw Error.posting(error)
         }
@@ -71,7 +74,7 @@ class PostService: ObservableObject {
             do {
                 (data, utType) = try await getData(for: attachment)
                 currentStep += 1
-            } catch let error as CompositionAttachmentData.Error {
+            } catch let error as AttachmentData.Error {
                 throw Error.attachmentData(index: index, cause: error)
             }
             do {
@@ -85,7 +88,7 @@ class PostService: ObservableObject {
         return attachments
     }
     
-    private func getData(for attachment: CompositionAttachment) async throws -> (Data, UTType) {
+    private func getData(for attachment: DraftAttachment) async throws -> (Data, UTType) {
         return try await withCheckedThrowingContinuation { continuation in
             attachment.data.getData(features: mastodonController.instanceFeatures) { result in
                 switch result {
@@ -118,7 +121,7 @@ class PostService: ObservableObject {
     }
     
     enum Error: Swift.Error, LocalizedError {
-        case attachmentData(index: Int, cause: CompositionAttachmentData.Error)
+        case attachmentData(index: Int, cause: AttachmentData.Error)
         case attachmentUpload(index: Int, cause: Client.Error)
         case posting(Client.Error)
         

Packages/ComposeUI/Sources/ComposeUI/CharacterCounter.swift

@@ -1,24 +1,25 @@
 //
 //  CharacterCounter.swift
-//  Pachyderm
+//  ComposeUI
 //
 //  Created by Shadowfacts on 9/29/18.
 //  Copyright © 2018 Shadowfacts. All rights reserved.
 //
 
 import Foundation
+import InstanceFeatures
 
 public struct CharacterCounter {
     
-    static let linkDetector = try! NSDataDetector(types: NSTextCheckingResult.CheckingType.link.rawValue)
+    private static let linkDetector = try! NSDataDetector(types: NSTextCheckingResult.CheckingType.link.rawValue)
-    static let mention = try! NSRegularExpression(pattern: "(@[a-z0-9_]+)(?:@[a-z0-9\\-\\.]+[a-z0-9]+)?", options: .caseInsensitive)
+    private static let mention = try! NSRegularExpression(pattern: "(@[a-z0-9_]+)(?:@[a-z0-9\\-\\.]+[a-z0-9]+)?", options: .caseInsensitive)
     
-    public static func count(text: String, for instance: Instance? = nil) -> Int {
+    public static func count(text: String, for instanceFeatures: InstanceFeatures) -> Int {
         let mentionsRemoved = removeMentions(in: text)
         var count = mentionsRemoved.count
         for match in linkDetector.matches(in: mentionsRemoved, options: [], range: NSRange(location: 0, length: mentionsRemoved.utf16.count)) {
             count -= match.range.length
-            count += instance?.configuration?.statuses.charactersReservedPerURL ?? 23 // default Mastodon link length
+            count += instanceFeatures.charsReservedPerURL
         }
         return count
     }

Packages/ComposeUI/Sources/ComposeUI/ComposeInput.swift

@@ -0,0 +1,27 @@
+//
+//  ComposeInput.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/5/23.
+//
+
+import Foundation
+import Combine
+
+protocol ComposeInput: AnyObject, ObservableObject {
+    var toolbarElements: [ToolbarElement] { get }
+    
+    var autocompleteState: AutocompleteState? { get }
+    var autocompleteStatePublisher: Published<AutocompleteState?>.Publisher { get }
+    
+    func autocomplete(with string: String)
+    
+    func applyFormat(_ format: StatusFormat)
+    
+    func beginAutocompletingEmoji()
+}
+
+enum ToolbarElement {
+    case emojiPicker
+    case formattingButtons
+}

Packages/ComposeUI/Sources/ComposeUI/ComposeMastodonContext.swift

@@ -0,0 +1,26 @@
+//
+//  ComposeMastodonContext.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/5/23.
+//
+
+import Foundation
+import Pachyderm
+import InstanceFeatures
+import UserAccounts
+
+public protocol ComposeMastodonContext {
+    var accountInfo: UserAccountInfo? { get }
+    var instanceFeatures: InstanceFeatures { get }
+    
+    func run<Result: Sendable>(_ request: Request<Result>) async throws -> (Result, Pagination?)
+    func getCustomEmojis(completion: @escaping ([Emoji]) -> Void)
+    
+    @MainActor
+    func searchCachedAccounts(query: String) -> [AccountProtocol]
+    @MainActor
+    func cachedRelationship(for accountID: String) -> RelationshipProtocol?
+    @MainActor
+    func searchCachedHashtags(query: String) -> [Hashtag]
+}

Packages/ComposeUI/Sources/ComposeUI/ComposeUIConfig.swift

@@ -0,0 +1,35 @@
+//
+//  ComposeUIConfig.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/4/23.
+//
+
+import SwiftUI
+import Pachyderm
+import PhotosUI
+import PencilKit
+import TuskerComponents
+
+public struct ComposeUIConfig {
+    public var backgroundColor = Color(uiColor: .systemBackground)
+    public var groupedBackgroundColor = Color(uiColor: .systemGroupedBackground)
+    public var groupedCellBackgroundColor = Color(uiColor: .systemBackground)
+    public var fillColor = Color(uiColor: .systemFill)
+    public var avatarStyle = AvatarImageView.Style.roundRect
+    public var useTwitterKeyboard = false
+    public var contentType = StatusContentType.plain
+    public var automaticallySaveDrafts = false
+    public var requireAttachmentDescriptions = false
+    
+    public var dismiss: @MainActor (DismissMode) -> Void = { _ in }
+    public var presentAssetPicker: ((@MainActor @escaping ([PHPickerResult]) -> Void) -> Void)?
+    public var presentDrawing: ((PKDrawing, @escaping (PKDrawing) -> Void) -> Void)?
+    public var userActivityForDraft: ((Draft) -> NSItemProvider?) = { _ in nil }
+    
+    public init() {
+    }
+}
+
+extension ComposeUIConfig {
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/AttachmentRowController.swift

@@ -0,0 +1,162 @@
+//
+//  AttachmentRowController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/12/23.
+//
+
+import SwiftUI
+import TuskerComponents
+import Vision
+
+class AttachmentRowController: ViewController {
+    let parent: ComposeController
+    let attachment: DraftAttachment
+    
+    @Published var descriptionMode: DescriptionMode = .allowEntry
+    @Published var textRecognitionError: Error?
+    
+    init(parent: ComposeController, attachment: DraftAttachment) {
+        self.parent = parent
+        self.attachment = attachment
+    }
+    
+    var view: some View {
+        AttachmentView(attachment: attachment)
+    }
+    
+    private func removeAttachment() {
+        withAnimation {
+            parent.draft.attachments.removeAll(where: { $0.id == attachment.id })
+        }
+    }
+    
+    private func editDrawing() {
+        guard case .drawing(let drawing) = attachment.data else {
+            return
+        }
+        parent.config.presentDrawing?(drawing) { newDrawing in
+            self.attachment.data = .drawing(newDrawing)
+        }
+    }
+    
+    private func recognizeText() {
+        descriptionMode = .recognizingText
+        
+        DispatchQueue.global(qos: .userInitiated).async {
+            self.attachment.data.getData(features: self.parent.mastodonController.instanceFeatures, skipAllConversion: true) { result in
+                let data: Data
+                switch result {
+                case .success((let d, _)):
+                    data = d
+                case .failure(let error):
+                    self.descriptionMode = .allowEntry
+                    self.textRecognitionError = error
+                    return
+                }
+                
+                let handler = VNImageRequestHandler(data: data)
+                let request = VNRecognizeTextRequest { request, error in
+                    DispatchQueue.main.async {
+                        if let results = request.results as? [VNRecognizedTextObservation] {
+                            var text = ""
+                            for observation in results {
+                                let result = observation.topCandidates(1).first!
+                                text.append(result.string)
+                                text.append("\n")
+                            }
+                            self.attachment.attachmentDescription = text
+                        }
+                        self.descriptionMode = .allowEntry
+                    }
+                }
+                request.recognitionLevel = .accurate
+                request.usesLanguageCorrection = true
+                DispatchQueue.global(qos: .userInitiated).async {
+                    do {
+                        try handler.perform([request])
+                    } catch let error as NSError where error.code == 1 {
+                        // The perform call throws an error with code 1 if the request is cancelled, which we don't want to show an alert for.
+                        return
+                    } catch {
+                        DispatchQueue.main.async {
+                            self.descriptionMode = .allowEntry
+                            self.textRecognitionError = error
+                        }
+                    }
+                }
+            }
+        }
+    }
+    
+    struct AttachmentView: View {
+        @ObservedObject private var attachment: DraftAttachment
+        @EnvironmentObject private var controller: AttachmentRowController
+        
+        init(attachment: DraftAttachment) {
+            self.attachment = attachment
+        }
+        
+        var body: some View {
+            HStack(alignment: .center, spacing: 4) {
+                AttachmentThumbnailView(attachment: attachment, fullSize: false)
+                    .frame(width: 80, height: 80)
+                    .cornerRadius(8)
+                    .contextMenu {
+                        if case .drawing(_) = attachment.data {
+                            Button(action: controller.editDrawing) {
+                                Label("Edit Drawing", systemImage: "hand.draw")
+                            }
+                        } else if attachment.data.type == .image {
+                            Button(action: controller.recognizeText) {
+                                Label("Recognize Text", systemImage: "doc.text.viewfinder")
+                            }
+                        }
+                        
+                        Button(role: .destructive, action: controller.removeAttachment) {
+                            Label("Delete", systemImage: "trash")
+                        }
+                    } previewIfAvailable: {
+                       AttachmentThumbnailView(attachment: attachment, fullSize: true)
+                    }
+                
+                switch controller.descriptionMode {
+                case .allowEntry:
+                    AttachmentDescriptionTextView(
+                        text: $attachment.attachmentDescription,
+                        placeholder: Text("Describe for the visually impaired…"),
+                        minHeight: 80
+                    )
+                    
+                case .recognizingText:
+                    ProgressView()
+                        .progressViewStyle(.circular)
+                }
+            }
+            .alertWithData("Text Recognition Failed", data: $controller.textRecognitionError) { _ in
+                Button("OK") {}
+            } message: { error in
+                Text(error.localizedDescription)
+            }
+        }
+    }
+    
+}
+
+extension AttachmentRowController {
+    enum DescriptionMode {
+        case allowEntry, recognizingText
+    }
+}
+
+private extension View {
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func contextMenu<M: View, P: View>(@ViewBuilder menuItems: () -> M, @ViewBuilder previewIfAvailable preview: () -> P) -> some View {
+        if #available(iOS 16.0, *) {
+            self.contextMenu(menuItems: menuItems, preview: preview)
+        } else {
+            self.contextMenu(menuItems: menuItems)
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/AttachmentsListController.swift

@@ -0,0 +1,233 @@
+//
+//  AttachmentsListController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/8/23.
+//
+
+import SwiftUI
+import PhotosUI
+import PencilKit
+
+class AttachmentsListController: ViewController {
+    
+    unowned let parent: ComposeController
+    var draft: Draft { parent.draft }
+    
+    var isValid: Bool {
+        !requiresAttachmentDescriptions && validAttachmentCombination
+    }
+    
+    private var requiresAttachmentDescriptions: Bool {
+        if parent.config.requireAttachmentDescriptions {
+            return draft.attachments.allSatisfy {
+                !$0.attachmentDescription.isEmpty
+            }
+        } else {
+            return false
+        }
+    }
+    
+    private var validAttachmentCombination: Bool {
+        if !parent.mastodonController.instanceFeatures.mastodonAttachmentRestrictions {
+            return true
+        } else if draft.attachments.contains(where: { $0.data.type == .video }) &&
+                    draft.attachments.count > 1 {
+            return false
+        } else if draft.attachments.count > 4 {
+            return false
+        }
+        return true
+    }
+    
+    init(parent: ComposeController) {
+        self.parent = parent
+    }
+    
+    private var canAddAttachment: Bool {
+        if parent.mastodonController.instanceFeatures.mastodonAttachmentRestrictions {
+            return draft.attachments.count < 4 && draft.attachments.allSatisfy { $0.data.type == .image } && draft.poll == nil
+        } else {
+            return true
+        }
+    }
+    
+    private var canAddPoll: Bool {
+        if parent.mastodonController.instanceFeatures.pollsAndAttachments {
+            return true
+        } else {
+            return draft.attachments.isEmpty
+        }
+    }
+    
+    var view: some View {
+        AttachmentsList()
+    }
+    
+    private func moveAttachments(from source: IndexSet, to destination: Int) {
+        draft.attachments.move(fromOffsets: source, toOffset: destination)
+    }
+    
+    private func deleteAttachments(at indices: IndexSet) {
+        draft.attachments.remove(atOffsets: indices)
+    }
+    
+    @MainActor
+    private func insertAttachments(at offset: Int, itemProviders: [NSItemProvider]) async {
+        for provider in itemProviders where provider.canLoadObject(ofClass: DraftAttachment.self) {
+            provider.loadObject(ofClass: DraftAttachment.self) { object, error in
+                guard let attachment = object as? DraftAttachment else { return }
+                DispatchQueue.main.async {
+                    guard self.canAddAttachment else { return }
+                    self.draft.attachments.append(attachment)
+                }
+            }
+        }
+    }
+    
+    private func addImage() {
+        parent.config.presentAssetPicker?({ results in
+            Task {
+                await self.insertAttachments(at: self.draft.attachments.count, itemProviders: results.map(\.itemProvider))
+            }
+        })
+    }
+    
+    private func addDrawing() {
+        parent.config.presentDrawing?(PKDrawing()) { drawing in
+            self.draft.attachments.append(DraftAttachment(data: .drawing(drawing)))
+        }
+    }
+    
+    private func togglePoll() {
+        UIApplication.shared.sendAction(#selector(UIView.resignFirstResponder), to: nil, from: nil, for: nil)
+        
+        withAnimation {
+            draft.poll = draft.poll == nil ? Draft.Poll() : nil
+        }
+    }
+    
+    struct AttachmentsList: View {
+        private let cellHeight: CGFloat = 80
+        private let cellPadding: CGFloat = 12
+        
+        @EnvironmentObject private var controller: AttachmentsListController
+        @EnvironmentObject private var draft: Draft
+        @Environment(\.colorScheme) private var colorScheme
+        @Environment(\.horizontalSizeClass) private var horizontalSizeClass
+        
+        var body: some View {
+            Group {
+                attachmentsList
+                
+                if controller.parent.config.presentAssetPicker != nil {
+                    addImageButton
+                        .listRowInsets(EdgeInsets(top: cellPadding / 2, leading: cellPadding / 2, bottom: cellPadding / 2, trailing: cellPadding / 2))
+                }
+                
+                if controller.parent.config.presentDrawing != nil {
+                    addDrawingButton
+                        .listRowInsets(EdgeInsets(top: cellPadding / 2, leading: cellPadding / 2, bottom: cellPadding / 2, trailing: cellPadding / 2))
+                }
+                
+                togglePollButton
+                    .listRowInsets(EdgeInsets(top: cellPadding / 2, leading: cellPadding / 2, bottom: cellPadding / 2, trailing: cellPadding / 2))
+            }
+        }
+        
+        private var attachmentsList: some View {
+            ForEach(draft.attachments) { attachment in
+                ControllerView(controller: { AttachmentRowController(parent: controller.parent, attachment: attachment) })
+                    .listRowInsets(EdgeInsets(top: cellPadding / 2, leading: cellPadding / 2, bottom: cellPadding / 2, trailing: cellPadding / 2))
+                    .onDrag {
+                        NSItemProvider(object: attachment)
+                    }
+            }
+            .onMove(perform: controller.moveAttachments)
+            .onDelete(perform: controller.deleteAttachments)
+            .conditionally(controller.canAddAttachment) {
+                $0.onInsert(of: DraftAttachment.readableTypeIdentifiersForItemProvider, perform: { offset, providers in
+                    Task {
+                        await controller.insertAttachments(at: offset, itemProviders: providers)
+                    }
+                })
+            }
+        }
+        
+        private var addImageButton: some View {
+            Button(action: controller.addImage) {
+                Label("Add photo or video", systemImage: colorScheme == .dark ? "photo.fill" : "photo")
+            }
+            .disabled(!controller.canAddAttachment)
+            .foregroundColor(.accentColor)
+            .frame(height: cellHeight / 2)
+        }
+        
+        private var addDrawingButton: some View {
+            Button(action: controller.addDrawing) {
+                Label("Draw something", systemImage: "hand.draw")
+            }
+            .disabled(!controller.canAddAttachment)
+            .foregroundColor(.accentColor)
+            .frame(height: cellHeight / 2)
+        }
+        
+        private var togglePollButton: some View {
+            Button(action: controller.togglePoll) {
+                Label(draft.poll == nil ? "Add a poll" : "Remove poll", systemImage: "chart.bar.doc.horizontal")
+            }
+            .disabled(!controller.canAddPoll)
+            .foregroundColor(.accentColor)
+            .frame(height: cellHeight / 2)
+        }
+    }
+}
+
+fileprivate extension View {
+    @ViewBuilder
+    func conditionally(_ condition: Bool, body: (Self) -> some View) -> some View {
+        if condition {
+            body(self)
+        } else {
+            self
+        }
+    }
+    
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func sheetOrPopover(isPresented: Binding<Bool>, @ViewBuilder content: @escaping () -> some View) -> some View {
+        if #available(iOS 16.0, *) {
+            self.modifier(SheetOrPopover(isPresented: isPresented, view: content))
+        } else {
+            self.popover(isPresented: isPresented, content: content)
+        }
+    }
+    
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func withSheetDetentsIfAvailable() -> some View {
+        if #available(iOS 16.0, *) {
+            self
+                .presentationDetents([.medium, .large])
+                .presentationDragIndicator(.visible)
+        } else {
+            self
+        }
+    }
+}
+
+@available(iOS 16.0, *)
+fileprivate struct SheetOrPopover<V: View>: ViewModifier {
+    @Binding var isPresented: Bool
+    @ViewBuilder let view: () -> V
+    
+    @Environment(\.horizontalSizeClass) var sizeClass
+    
+    func body(content: Content) -> some View {
+        if sizeClass == .compact {
+            content.sheet(isPresented: $isPresented, content: view)
+        } else {
+            content.popover(isPresented: $isPresented, content: view)
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/AutocompleteController.swift

@@ -0,0 +1,83 @@
+//
+//  AutocompleteController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/25/23.
+//
+
+import SwiftUI
+import Combine
+
+class AutocompleteController: ViewController {
+    
+    unowned let parent: ComposeController
+    
+    @Published var mode: Mode?
+    
+    init(parent: ComposeController) {
+        self.parent = parent
+        
+        parent.$currentInput
+            .compactMap { $0 }
+            .flatMap { $0.autocompleteStatePublisher }
+            .map {
+                switch $0 {
+                case .mention(_):
+                    return Mode.mention
+                case .emoji(_):
+                    return Mode.emoji
+                case .hashtag(_):
+                    return Mode.hashtag
+                case nil:
+                    return nil
+                }
+            }
+            .assign(to: &$mode)
+    }
+    
+    var view: some View {
+        AutocompleteView()
+    }
+    
+    struct AutocompleteView: View {
+        @EnvironmentObject private var parent: ComposeController
+        @EnvironmentObject private var controller: AutocompleteController
+        @Environment(\.colorScheme) private var colorScheme: ColorScheme
+        
+        var body: some View {
+            if let mode = controller.mode {
+                VStack(spacing: 0) {
+                    Divider()
+                    suggestionsView(mode: mode)
+                }
+                .background(backgroundColor)
+            }
+        }
+        
+        @ViewBuilder
+        private func suggestionsView(mode: Mode) -> some View {
+            switch mode {
+            case .mention:
+                ControllerView(controller: { AutocompleteMentionsController(composeController: parent) })
+            case .emoji:
+                ControllerView(controller: { AutocompleteEmojisController(composeController: parent) })
+            case .hashtag:
+                ControllerView(controller: { AutocompleteHashtagsController(composeController: parent) })
+            }
+        }
+        
+        private var backgroundColor: Color {
+            Color(white: colorScheme == .light ? 0.98 : 0.15)
+        }
+        
+        private var borderColor: Color {
+            Color(white: colorScheme == .light ? 0.85 : 0.25)
+        }
+    }
+    
+    enum Mode {
+        case mention
+        case emoji
+        case hashtag
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/AutocompleteEmojisController.swift

@@ -0,0 +1,196 @@
+//
+//  AutocompleteEmojisController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/26/23.
+//
+
+import SwiftUI
+import Pachyderm
+import Combine
+
+class AutocompleteEmojisController: ViewController {
+    unowned let composeController: ComposeController
+    var mastodonController: ComposeMastodonContext { composeController.mastodonController }
+    
+    private var stateCancellable: AnyCancellable?
+    private var searchTask: Task<Void, Never>?
+    
+    @Published var expanded = false
+    @Published var emojis: [Emoji] = []
+    
+    var emojisBySection: [String: [Emoji]] {
+        var values: [String: [Emoji]] = [:]
+        for emoji in emojis {
+            let key = emoji.category ?? ""
+            if !values.keys.contains(key) {
+                values[key] = [emoji]
+            } else {
+                values[key]!.append(emoji)
+            }
+        }
+        return values
+    }
+    
+    init(composeController: ComposeController) {
+        self.composeController = composeController
+        
+        stateCancellable = composeController.$currentInput
+            .compactMap { $0 }
+            .flatMap { $0.autocompleteStatePublisher }
+            .compactMap {
+                if case .emoji(let s) = $0 {
+                    return s
+                } else {
+                    return nil
+                }
+            }
+            .removeDuplicates()
+            .sink { [unowned self] query in
+                self.searchTask?.cancel()
+                self.searchTask = Task {
+                    await self.queryChanged(query)
+                }
+            }
+    }
+    
+    @MainActor
+    private func queryChanged(_ query: String) async {
+        var emojis = await withCheckedContinuation { continuation in
+            composeController.mastodonController.getCustomEmojis {
+                continuation.resume(returning: $0)
+            }
+        }
+        guard !Task.isCancelled else {
+            return
+        }
+        
+        if !query.isEmpty {
+            emojis =
+            emojis.map { emoji -> (Emoji, (matched: Bool, score: Int)) in
+                (emoji, FuzzyMatcher.match(pattern: query, str: emoji.shortcode))
+            }
+            .filter(\.1.matched)
+            .sorted { $0.1.score > $1.1.score }
+            .map(\.0)
+        }
+        
+        var shortcodes = Set<String>()
+        var newEmojis = [Emoji]()
+        for emoji in emojis where !shortcodes.contains(emoji.shortcode) {
+            newEmojis.append(emoji)
+            shortcodes.insert(emoji.shortcode)
+        }
+        self.emojis = newEmojis
+    }
+    
+    private func toggleExpanded() {
+        withAnimation {
+            expanded.toggle()
+        }
+    }
+    
+    private func autocomplete(with emoji: Emoji) {
+        guard let input = composeController.currentInput else { return }
+        input.autocomplete(with: ":\(emoji.shortcode):")
+    }
+    
+    var view: some View {
+        AutocompleteEmojisView()
+    }
+    
+    struct AutocompleteEmojisView: View {
+        @EnvironmentObject private var composeController: ComposeController
+        @EnvironmentObject private var controller: AutocompleteEmojisController
+        @ScaledMetric private var emojiSize = 30
+        
+        var body: some View {
+            // When exapnded, the toggle button should be at the top. When collapsed, it should be centered.
+            HStack(alignment: controller.expanded ? .top : .center, spacing: 0) {
+                emojiList
+                    .transition(.move(edge: .bottom))
+                
+                toggleExpandedButton
+                    .padding(.trailing, 8)
+                    .padding(.top, controller.expanded ? 8 : 0)
+            }
+        }
+        
+        @ViewBuilder
+        private var emojiList: some View {
+            if controller.expanded {
+                verticalGrid
+                    .frame(height: 150)
+            } else {
+                horizontalScrollView
+            }
+        }
+        
+        private var verticalGrid: some View {
+            ScrollView {
+                LazyVGrid(columns: [GridItem(.adaptive(minimum: emojiSize), spacing: 4)]) {
+                    ForEach(controller.emojisBySection.keys.sorted(), id: \.self) { section in
+                        Section {
+                            ForEach(controller.emojisBySection[section]!, id: \.shortcode) { emoji in
+                                Button(action: { controller.autocomplete(with: emoji) }) {
+                                    composeController.emojiImageView(emoji)
+                                        .frame(height: emojiSize)
+                                }
+                                .accessibilityLabel(emoji.shortcode)
+                            }
+                        } header: {
+                            if !section.isEmpty {
+                                VStack(alignment: .leading, spacing: 2) {
+                                    Text(section)
+                                        .font(.caption)
+                                    
+                                    Divider()
+                                }
+                                .padding(.top, 4)
+                            }
+                        }
+                    }
+                }
+                .padding(.all, 8)
+                // the spacing between the grid sections doesn't seem to be taken into account by the ScrollView?
+                .padding(.bottom, CGFloat(controller.emojisBySection.keys.count) * 4)
+            }
+            .frame(maxWidth: .infinity)
+        }
+        
+        private var horizontalScrollView: some View {
+            ScrollView(.horizontal) {
+                HStack(spacing: 8) {
+                    ForEach(controller.emojis, id: \.shortcode) { emoji in
+                        Button(action: { controller.autocomplete(with: emoji) }) {
+                            HStack(spacing: 4) {
+                                composeController.emojiImageView(emoji)
+                                    .frame(height: emojiSize)
+                                Text(verbatim: ":\(emoji.shortcode):")
+                                    .foregroundColor(.primary)
+                            }
+                        }
+                        .accessibilityLabel(emoji.shortcode)
+                        .frame(height: emojiSize)
+                    }
+                    .animation(.linear(duration: 0.2), value: controller.emojis)
+                    
+                    Spacer(minLength: emojiSize)
+                }
+                .padding(.horizontal, 8)
+                .frame(height: emojiSize + 16)
+            }
+        }
+        
+        private var toggleExpandedButton: some View {
+            Button(action: controller.toggleExpanded) {
+                Image(systemName: "chevron.down")
+                    .resizable()
+                    .aspectRatio(contentMode: .fit)
+                    .rotationEffect(controller.expanded ? .zero : .degrees(180))
+            }
+            .accessibilityLabel(controller.expanded ? "Collapse" : "Expand")
+            .frame(width: 20, height: 20)
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/AutocompleteHashtagsController.swift

@@ -0,0 +1,124 @@
+//
+//  AutocompleteHashtagsController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 4/1/23.
+//
+
+import SwiftUI
+import Combine
+import Pachyderm
+
+class AutocompleteHashtagsController: ViewController {
+    unowned let composeController: ComposeController
+    var mastodonController: ComposeMastodonContext { composeController.mastodonController }
+    
+    private var stateCancellable: AnyCancellable?
+    private var searchTask: Task<Void, Never>?
+    
+    @Published var hashtags: [Hashtag] = []
+    
+    init(composeController: ComposeController) {
+        self.composeController = composeController
+        
+        stateCancellable = composeController.$currentInput
+            .compactMap { $0 }
+            .flatMap { $0.autocompleteStatePublisher }
+            .compactMap {
+                if case .hashtag(let s) = $0 {
+                    return s
+                } else {
+                    return nil
+                }
+            }
+            .debounce(for: .milliseconds(250), scheduler: DispatchQueue.main)
+            .sink { [unowned self] query in
+                self.searchTask?.cancel()
+                self.searchTask = Task {
+                    await self.queryChanged(query)
+                }
+            }
+    }
+    
+    @MainActor
+    private func queryChanged(_ query: String) async {
+        guard !query.isEmpty else {
+            hashtags = []
+            return
+        }
+        
+        let localHashtags = mastodonController.searchCachedHashtags(query: query)
+        
+        var onlyLocalTagsTask: Task<Void, any Error>?
+        if !localHashtags.isEmpty {
+            onlyLocalTagsTask = Task {
+                // we only want to do the local-only search if the trends API call takes more than .25sec or it fails
+                try await Task.sleep(nanoseconds: 250 * NSEC_PER_MSEC)
+                self.updateHashtags(searchResults: [], trendingTags: [], localHashtags: localHashtags, query: query)
+            }
+        }
+        
+        async let trendingTags = try? mastodonController.run(Client.getTrendingHashtags()).0
+        async let searchResults = try? mastodonController.run(Client.search(query: "#\(query)", types: [.hashtags])).0.hashtags
+        
+        let trends = await trendingTags ?? []
+        let search = await searchResults ?? []
+        
+        onlyLocalTagsTask?.cancel()
+        guard !Task.isCancelled else { return }
+        
+        updateHashtags(searchResults: search, trendingTags: trends, localHashtags: localHashtags, query: query)
+    }
+    
+    @MainActor
+    private func updateHashtags(searchResults: [Hashtag], trendingTags: [Hashtag], localHashtags: [Hashtag], query: String) {
+        var addedHashtags = Set<String>()
+        var hashtags = [(Hashtag, Int)]()
+        for group in [searchResults, trendingTags, localHashtags] {
+            for tag in group where !addedHashtags.contains(tag.name) {
+                let (matched, score) = FuzzyMatcher.match(pattern: query, str: tag.name)
+                if matched {
+                    hashtags.append((tag, score))
+                    addedHashtags.insert(tag.name)
+                }
+            }
+        }
+        self.hashtags = hashtags
+            .sorted { $0.1 > $1.1 }
+            .map(\.0)
+    }
+    
+    private func autocomplete(with hashtag: Hashtag) {
+        guard let currentInput = composeController.currentInput else { return }
+        currentInput.autocomplete(with: "#\(hashtag.name)")
+    }
+    
+    var view: some View {
+        AutocompleteHashtagsView()
+    }
+    
+    struct AutocompleteHashtagsView: View {
+        @EnvironmentObject private var controller: AutocompleteHashtagsController
+        
+        var body: some View {
+            ScrollView(.horizontal) {
+                HStack(spacing: 8) {
+                    ForEach(controller.hashtags, id: \.name) { hashtag in
+                        Button(action: { controller.autocomplete(with: hashtag) }) {
+                            Text(verbatim: "#\(hashtag.name)")
+                                .foregroundColor(Color(uiColor: .label))
+                        }
+                        .frame(height: 30)
+                        .padding(.vertical, 8)
+                    }
+                    
+                    Spacer()
+                }
+                .padding(.horizontal, 8)
+                .animation(.linear(duration: 0.2), value: controller.hashtags)
+            }
+        }
+    }
+    
+    
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/AutocompleteMentionsController.swift

@@ -0,0 +1,178 @@
+//
+//  AutocompleteMentionsController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/25/23.
+//
+
+import SwiftUI
+import Combine
+import Pachyderm
+import TuskerComponents
+
+class AutocompleteMentionsController: ViewController {
+    
+    unowned let composeController: ComposeController
+    var mastodonController: ComposeMastodonContext { composeController.mastodonController }
+    
+    private var stateCancellable: AnyCancellable?
+    
+    @Published private var accounts: [AnyAccount] = []
+    private var searchTask: Task<Void, Never>?
+    
+    init(composeController: ComposeController) {
+        self.composeController = composeController
+        
+        stateCancellable = composeController.$currentInput
+            .compactMap { $0 }
+            .flatMap { $0.autocompleteStatePublisher }
+            .compactMap {
+                if case .mention(let s) = $0 {
+                    return s
+                } else {
+                    return nil
+                }
+            }
+            .debounce(for: .milliseconds(250), scheduler: DispatchQueue.main)
+            .sink { [unowned self] query in
+                self.searchTask?.cancel()
+                self.searchTask = Task {
+                    await self.queryChanged(query)
+                }
+            }
+    }
+    
+    @MainActor
+    private func queryChanged(_ query: String) async {
+        guard !query.isEmpty else {
+            accounts = []
+            return
+        }
+        
+        let localSearchTask = Task {
+            // we only want to search locally if the search API call takes more than .25sec or it fails
+            try await Task.sleep(nanoseconds: 250 * NSEC_PER_MSEC)
+            
+            let results = self.mastodonController.searchCachedAccounts(query: query)
+            try Task.checkCancellation()
+            
+            if !results.isEmpty {
+                self.loadAccounts(results.map { .init(value: $0) }, query: query)
+            }
+        }
+        
+        let accounts = try? await mastodonController.run(Client.searchForAccount(query: query)).0
+        guard let accounts,
+              !Task.isCancelled else {
+            return
+        }
+        localSearchTask.cancel()
+        
+       loadAccounts(accounts.map { .init(value: $0) }, query: query)
+    }
+    
+    @MainActor
+    private func loadAccounts(_ accounts: [AnyAccount], query: String) {
+        guard case .mention(query) = composeController.currentInput?.autocompleteState else {
+            return
+        }
+        
+        // when sorting account suggestions, ignore the domain component of the acct unless the user is typing it themself
+        let ignoreDomain = !query.contains("@")
+        
+        self.accounts =
+            accounts.map { (account) -> (AnyAccount, (matched: Bool, score: Int)) in
+                let fuzzyStr = ignoreDomain ? String(account.value.acct.split(separator: "@").first!) : account.value.acct
+                let res = (account, FuzzyMatcher.match(pattern: query, str: fuzzyStr))
+                return res
+            }
+            .filter(\.1.matched)
+            .map { (account, res) -> (AnyAccount, Int) in
+                // give higher weight to accounts that the user follows or is followed by
+                var score = res.score
+                if let relationship = mastodonController.cachedRelationship(for: account.value.id) {
+                    if relationship.following {
+                        score += 3
+                    }
+                    if relationship.followedBy {
+                        score += 2
+                    }
+                }
+                return (account, score)
+            }
+            .sorted { $0.1 > $1.1 }
+            .map(\.0)
+    }
+    
+    private func autocomplete(with account: AnyAccount) {
+        guard let input = composeController.currentInput else {
+            return
+        }
+        input.autocomplete(with: "@\(account.value.acct)")
+    }
+    
+    var view: some View {
+        AutocompleteMentionsView()
+    }
+    
+    struct AutocompleteMentionsView: View {
+        @EnvironmentObject private var controller: AutocompleteMentionsController
+        
+        var body: some View {
+            ScrollView(.horizontal) {
+                HStack(spacing: 8) {
+                    ForEach(controller.accounts) { account in
+                        AutocompleteMentionButton(account: account)
+                    }
+                    
+                    Spacer()
+                }
+                .padding(.horizontal, 8)
+                .animation(.linear(duration: 0.2), value: controller.accounts)
+            }
+            .onDisappear {
+                controller.searchTask?.cancel()
+            }
+        }
+    }
+    
+    private struct AutocompleteMentionButton: View {
+        @EnvironmentObject private var composeController: ComposeController
+        @EnvironmentObject private var controller: AutocompleteMentionsController
+        let account: AnyAccount
+        
+        var body: some View {
+            Button(action: { controller.autocomplete(with: account) }) {
+                HStack(spacing: 4) {
+                    AvatarImageView(
+                        url: account.value.avatar,
+                        size: 30,
+                        style: composeController.config.avatarStyle,
+                        fetchAvatar: composeController.fetchAvatar
+                    )
+                    
+                    VStack(alignment: .leading) {
+                        controller.composeController.displayNameLabel(account.value, .subheadline, 14)
+                            .foregroundColor(.primary)
+                        
+                        Text(verbatim: "@\(account.value.acct)")
+                            .font(.caption)
+                            .foregroundColor(.primary)
+                    }
+                }
+            }
+            .frame(height: 30)
+            .padding(.vertical, 8)
+        }
+    }
+}
+
+fileprivate struct AnyAccount: Equatable, Identifiable {
+    let value: any AccountProtocol
+    
+    var id: String { value.id }
+    
+    static func ==(lhs: AnyAccount, rhs: AnyAccount) -> Bool {
+        return lhs.value.id == rhs.value.id
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/ComposeController.swift

@@ -0,0 +1,379 @@
+//
+//  ComposeController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/4/23.
+//
+
+import SwiftUI
+import Combine
+import Pachyderm
+import TuskerComponents
+
+public final class ComposeController: ViewController {
+    public typealias FetchStatus = (String) -> (any StatusProtocol)?
+    public typealias DisplayNameLabel = (any AccountProtocol, Font.TextStyle, CGFloat) -> AnyView
+    public typealias ReplyContentView = (any StatusProtocol, @escaping (CGFloat) -> Void) -> AnyView
+    public typealias EmojiImageView = (Emoji) -> AnyView
+    
+    @Published public private(set) var draft: Draft
+    @Published public var config: ComposeUIConfig
+    let mastodonController: ComposeMastodonContext
+    let fetchAvatar: AvatarImageView.FetchAvatar
+    let fetchStatus: FetchStatus
+    let displayNameLabel: DisplayNameLabel
+    let replyContentView: ReplyContentView
+    let emojiImageView: EmojiImageView
+    
+    @Published public var currentAccount: (any AccountProtocol)?
+    @Published public var showToolbar = true
+    
+    @Published var autocompleteController: AutocompleteController!
+    @Published var toolbarController: ToolbarController!
+    @Published var attachmentsListController: AttachmentsListController!
+    
+    @Published var contentWarningBecomeFirstResponder = false
+    @Published var mainComposeTextViewBecomeFirstResponder = false
+    @Published var currentInput: (any ComposeInput)? = nil
+    @Published var shouldEmojiAutocompletionBeginExpanded = false
+    @Published var isShowingSaveDraftSheet = false
+    @Published var isShowingDraftsList = false
+    @Published var poster: PostService?
+    @Published var postError: (any Error)?
+    
+    var isPosting: Bool {
+        poster != nil
+    }
+    
+    var charactersRemaining: Int {
+        let instanceFeatures = mastodonController.instanceFeatures
+        let limit = instanceFeatures.maxStatusChars
+        let cwCount = draft.contentWarningEnabled ? draft.contentWarning.count : 0
+        return limit - (cwCount + CharacterCounter.count(text: draft.text, for: instanceFeatures))
+    }
+    
+    var postButtonEnabled: Bool {
+        draft.hasContent
+            && charactersRemaining >= 0
+            && !isPosting
+            && attachmentsListController.isValid
+            && isPollValid
+    }
+    
+    private var isPollValid: Bool {
+        draft.poll == nil || draft.poll!.options.allSatisfy { !$0.text.isEmpty }
+    }
+    
+    public init(
+        draft: Draft,
+        config: ComposeUIConfig,
+        mastodonController: ComposeMastodonContext,
+        fetchAvatar: @escaping AvatarImageView.FetchAvatar,
+        fetchStatus: @escaping FetchStatus,
+        displayNameLabel: @escaping DisplayNameLabel,
+        replyContentView: @escaping ReplyContentView,
+        emojiImageView: @escaping EmojiImageView
+    ) {
+        self.draft = draft
+        self.config = config
+        self.mastodonController = mastodonController
+        self.fetchAvatar = fetchAvatar
+        self.fetchStatus = fetchStatus
+        self.displayNameLabel = displayNameLabel
+        self.replyContentView = replyContentView
+        self.emojiImageView = emojiImageView
+        
+        self.autocompleteController = AutocompleteController(parent: self)
+        self.toolbarController = ToolbarController(parent: self)
+        self.attachmentsListController = AttachmentsListController(parent: self)
+    }
+    
+    public var view: some View {
+        ComposeView(poster: poster)
+            .environmentObject(draft)
+            .environmentObject(mastodonController.instanceFeatures)
+    }
+    
+    public func canPaste(itemProviders: [NSItemProvider]) -> Bool {
+        guard itemProviders.allSatisfy({ $0.canLoadObject(ofClass: DraftAttachment.self) }) else {
+            return false
+        }
+        if mastodonController.instanceFeatures.mastodonAttachmentRestrictions {
+            if draft.attachments.allSatisfy({ $0.data.type == .image }) {
+                // if providers are videos, this technically allows invalid video/image combinations
+                return itemProviders.count + draft.attachments.count <= 4
+            } else {
+                return false
+            }
+        } else {
+            return true
+        }
+    }
+    
+    public func paste(itemProviders: [NSItemProvider]) {
+        for provider in itemProviders where provider.canLoadObject(ofClass: DraftAttachment.self) {
+            provider.loadObject(ofClass: DraftAttachment.self) { object, error in
+                guard let attachment = object as? DraftAttachment else { return }
+                DispatchQueue.main.async {
+                    self.draft.attachments.append(attachment)
+                }
+            }
+        }
+    }
+    
+    @MainActor
+    func cancel() {
+        if config.automaticallySaveDrafts {
+            config.dismiss(.cancel)
+        } else {
+            if draft.hasContent {
+                isShowingSaveDraftSheet = true
+            } else {
+                DraftsManager.shared.remove(draft)
+                config.dismiss(.cancel)
+            }
+        }
+    }
+    
+    func postStatus() {
+        guard !isPosting,
+              draft.hasContent else {
+            return
+        }
+        
+        Task { @MainActor in
+            let poster = PostService(mastodonController: mastodonController, config: config, draft: draft)
+            self.poster = poster
+            
+            // try to resign the first responder, if there is one.
+            // otherwise, the existence of the poster changes the .disabled modifier which causes the keyboard to hide
+            // and the first responder to change during a view update, which in turn triggers a bunch of state changes
+            UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
+            
+            do {
+                try await poster.post()
+                
+                // wait .25 seconds so the user can see the progress bar has completed
+                try? await Task.sleep(nanoseconds: 250_000_000)
+                
+                config.dismiss(.post)
+                
+                // don't unset the poster, so the ui remains disabled while dismissing
+                
+            } catch let error as PostService.Error {
+                self.postError = error
+                self.poster = nil
+            } catch {
+                fatalError("unreachable")
+            }
+        }
+    }
+    
+    func showDrafts() {
+        isShowingDraftsList = true
+    }
+    
+    func selectDraft(_ draft: Draft) {
+        if !self.draft.hasContent {
+            DraftsManager.shared.remove(self.draft)
+        }
+        DraftsManager.save()
+        
+        self.draft = draft
+    }
+    
+    func onDisappear() {
+        if !draft.hasContent {
+            DraftsManager.shared.remove(draft)
+        }
+        DraftsManager.save()
+    }
+    
+    func toggleContentWarning() {
+        draft.contentWarningEnabled.toggle()
+        if draft.contentWarningEnabled {
+            contentWarningBecomeFirstResponder = true
+        }
+    }
+    
+    struct ComposeView: View {
+        @OptionalObservedObject var poster: PostService?
+        @EnvironmentObject var controller: ComposeController
+        @EnvironmentObject var draft: Draft
+        @StateObject private var keyboardReader = KeyboardReader()
+        @State private var globalFrameOutsideList = CGRect.zero
+        
+        init(poster: PostService?) {
+            self.poster = poster
+        }
+        
+        var config: ComposeUIConfig {
+            controller.config
+        }
+        
+        var body: some View {
+            ZStack(alignment: .top) {
+                // just using .background doesn't work; for some reason it gets inset immediately after the software keyboard is dismissed
+                config.backgroundColor
+                    .edgesIgnoringSafeArea(.all)
+                
+                mainList
+                
+                if let poster = poster {
+                    // can't use SwiftUI.ProgressView because there's no UIProgressView.Style.bar equivalent, see FB8587149
+                    WrappedProgressView(value: poster.currentStep, total: poster.totalSteps)
+                }
+            }
+            .safeAreaInset(edge: .bottom, spacing: 0) {
+                if controller.showToolbar {
+                    VStack(spacing: 0) {
+                        ControllerView(controller: { controller.autocompleteController })
+                            .transition(.move(edge: .bottom))
+                            .animation(.default, value: controller.currentInput?.autocompleteState)
+                        
+                        ControllerView(controller: { controller.toolbarController })
+                    }
+                    // on iPadOS15, the toolbar ends up below the keyboard's toolbar without this
+                    .padding(.bottom, keyboardInset)
+                    .transition(.move(edge: .bottom))
+                }
+            }
+            .toolbar {
+                ToolbarItem(placement: .cancellationAction) { cancelButton }
+                ToolbarItem(placement: .confirmationAction) { postButton }
+            }
+            .background(GeometryReader { proxy in
+                Color.clear
+                    .preference(key: GlobalFrameOutsideListPrefKey.self, value: proxy.frame(in: .global))
+                    .onPreferenceChange(GlobalFrameOutsideListPrefKey.self) { newValue in
+                        globalFrameOutsideList = newValue
+                    }
+            })
+            .sheet(isPresented: $controller.isShowingDraftsList) {
+                ControllerView(controller: { DraftsController(parent: controller, isPresented: $controller.isShowingDraftsList) })
+            }
+            .alertWithData("Error Posting", data: $controller.postError, actions: { _ in
+                Button("OK") {}
+            }, message: { error in
+                Text(error.localizedDescription)
+            })
+            .onDisappear(perform: controller.onDisappear)
+            .navigationTitle(navTitle)
+        }
+        
+        private var navTitle: String {
+            if let id = draft.inReplyToID,
+               let status = controller.fetchStatus(id) {
+                return "Reply to @\(status.account.acct)"
+            } else {
+                return "New Post"
+            }
+        }
+        
+        private var mainList: some View {
+            List {
+                if let id = draft.inReplyToID,
+                   let status = controller.fetchStatus(id) {
+                    ReplyStatusView(
+                        status: status,
+                        rowTopInset: 8,
+                        globalFrameOutsideList: globalFrameOutsideList
+                    )
+                    .listRowInsets(EdgeInsets(top: 8, leading: 8, bottom: 4, trailing: 8))
+                    .listRowSeparator(.hidden)
+                    .listRowBackground(config.backgroundColor)
+                }
+                
+                HeaderView()
+                    .listRowInsets(EdgeInsets(top: draft.inReplyToID == nil ? 8 : 4, leading: 8, bottom: 4, trailing: 8))
+                    .listRowSeparator(.hidden)
+                    .listRowBackground(config.backgroundColor)
+                
+                if draft.contentWarningEnabled {
+                    EmojiTextField(
+                        text: $draft.contentWarning,
+                        placeholder: "Write your warning here",
+                        maxLength: nil,
+                        becomeFirstResponder: $controller.contentWarningBecomeFirstResponder,
+                        focusNextView: $controller.mainComposeTextViewBecomeFirstResponder
+                    )
+                        .listRowInsets(EdgeInsets(top: 4, leading: 8, bottom: 4, trailing: 8))
+                        .listRowSeparator(.hidden)
+                        .listRowBackground(config.backgroundColor)
+                }
+                
+                MainTextView()
+                    .listRowInsets(EdgeInsets(top: 4, leading: 8, bottom: 4, trailing: 8))
+                    .listRowSeparator(.hidden)
+                    .listRowBackground(config.backgroundColor)
+                
+                if let poll = draft.poll {
+                    ControllerView(controller: { PollController(parent: controller, poll: poll) })
+                        .listRowInsets(EdgeInsets(top: 4, leading: 8, bottom: 8, trailing: 8))
+                        .listRowSeparator(.hidden)
+                        .listRowBackground(config.backgroundColor)
+                }
+                
+                ControllerView(controller: { controller.attachmentsListController })
+                    .listRowInsets(EdgeInsets(top: 4, leading: 8, bottom: 8, trailing: 8))
+                    .listRowBackground(config.backgroundColor)
+            }
+            .listStyle(.plain)
+            .scrollDismissesKeyboardInteractivelyIfAvailable()
+            .disabled(controller.isPosting)
+        }
+        
+        private var cancelButton: some View {
+            Button(action: controller.cancel) {
+                Text("Cancel")
+                    // otherwise all Buttons in the nav bar are made semibold
+                    .font(.system(size: 17, weight: .regular))
+            }
+        }
+        
+        @ViewBuilder
+        private var postButton: some View {
+            if draft.hasContent {
+                Button(action: controller.postStatus) {
+                    Text("Post")
+                }
+                .keyboardShortcut(.return, modifiers: .command)
+                .disabled(!controller.postButtonEnabled)
+            } else {
+                Button(action: controller.showDrafts) {
+                    Text("Drafts")
+                }
+            }
+        }
+        
+        @available(iOS, obsoleted: 16.0)
+        private var keyboardInset: CGFloat {
+            if #unavailable(iOS 16.0),
+               UIDevice.current.userInterfaceIdiom == .pad,
+               keyboardReader.isVisible {
+                return ToolbarController.height
+            } else {
+                return 0
+            }
+        }
+    }
+}
+
+private extension View {
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func scrollDismissesKeyboardInteractivelyIfAvailable() -> some View {
+        if #available(iOS 16.0, *) {
+            self.scrollDismissesKeyboard(.interactively)
+        } else {
+            self
+        }
+    }
+}
+
+private struct GlobalFrameOutsideListPrefKey: PreferenceKey {
+    static var defaultValue: CGRect = .zero
+    static func reduce(value: inout CGRect, nextValue: () -> CGRect) {
+        value = nextValue()
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/DraftsController.swift

@@ -0,0 +1,165 @@
+//
+//  DraftsController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/7/23.
+//
+
+import SwiftUI
+import TuskerComponents
+
+class DraftsController: ViewController {
+    
+    unowned let parent: ComposeController
+    @Binding var isPresented: Bool
+    
+    @Published var draftForDifferentReply: Draft?
+    
+    init(parent: ComposeController, isPresented: Binding<Bool>) {
+        self.parent = parent
+        self._isPresented = isPresented
+    }
+    
+    var view: some View {
+        DraftsRepresentable()
+    }
+    
+    func maybeSelectDraft(_ draft: Draft) {
+        if draft.inReplyToID != parent.draft.inReplyToID,
+           parent.draft.hasContent {
+            draftForDifferentReply = draft
+        } else {
+            confirmSelectDraft(draft)
+        }
+    }
+    
+    func cancelSelectingDraft() {
+        draftForDifferentReply = nil
+    }
+    
+    func confirmSelectDraft(_ draft: Draft) {
+        parent.selectDraft(draft)
+        closeDrafts()
+    }
+    
+    func deleteDraft(_ draft: Draft) {
+        DraftsManager.shared.remove(draft)
+    }
+    
+    func closeDrafts() {
+        isPresented = false
+        DraftsManager.save()
+    }
+    
+    struct DraftsRepresentable: UIViewControllerRepresentable {
+        typealias UIViewControllerType = UIHostingController<DraftsView>
+        
+        func makeUIViewController(context: Context) -> UIHostingController<DraftsController.DraftsView> {
+            return UIHostingController(rootView: DraftsView())
+        }
+        
+        func updateUIViewController(_ uiViewController: UIHostingController<DraftsController.DraftsView>, context: Context) {
+        }
+    }
+    
+    struct DraftsView: View {
+        @EnvironmentObject private var controller: DraftsController
+        @EnvironmentObject private var currentDraft: Draft
+        @ObservedObject private var draftsManager = DraftsManager.shared
+        
+        private var visibleDrafts: [Draft] {
+            draftsManager.sorted.filter {
+                $0.accountID == controller.parent.mastodonController.accountInfo!.id && $0.id != currentDraft.id
+            }
+        }
+        
+        var body: some View {
+            NavigationView {
+                List {
+                    ForEach(visibleDrafts) { draft in
+                        Button(action: { controller.maybeSelectDraft(draft) }) {
+                            DraftRow(draft: draft)
+                        }
+                        .contextMenu {
+                            Button(role: .destructive, action: { controller.deleteDraft(draft) }) {
+                                Label("Delete Draft", systemImage: "trash")
+                            }
+                        }
+                        .ifLet(controller.parent.config.userActivityForDraft(draft), modify: { view, activity in
+                            view.onDrag { activity }
+                        })
+                    }
+                    .onDelete { indices in
+                        indices.map { visibleDrafts[$0] }.forEach(controller.deleteDraft)
+                    }
+                }
+                .listStyle(.plain)
+                .navigationTitle("Drafts")
+                .navigationBarTitleDisplayMode(.inline)
+                .toolbar {
+                    ToolbarItem(placement: .cancellationAction) { cancelButton }
+                }
+            }
+            .alertWithData("Different Reply", data: $controller.draftForDifferentReply) { draft in
+                Button(role: .cancel, action: controller.cancelSelectingDraft) {
+                    Text("Cancel")
+                }
+                Button(action: { controller.confirmSelectDraft(draft) }) {
+                    Text("Restore Draft")
+                }
+            } message: { _ in
+                Text("The selected draft is a reply to a different post, do you wish to use it?")
+            }
+        }
+        
+        private var cancelButton: some View {
+            Button(action: controller.closeDrafts) {
+                Text("Cancel")
+            }
+        }
+    }
+}
+
+private struct DraftRow: View {
+    @ObservedObject var draft: Draft
+    
+    var body: some View {
+        HStack {
+            VStack(alignment: .leading) {
+                if draft.contentWarningEnabled {
+                    Text(draft.contentWarning)
+                        .font(.body.bold())
+                        .foregroundColor(.secondary)
+                }
+                
+                Text(draft.text)
+                    .font(.body)
+                
+                HStack(spacing: 8) {
+                    ForEach(draft.attachments) { attachment in
+                        AttachmentThumbnailView(attachment: attachment, fullSize: false)
+                            .frame(width: 50, height: 50)
+                            .cornerRadius(5)
+                    }
+                }
+            }
+            
+            Spacer()
+            
+            Text(draft.lastModified.formatted(.abbreviatedTimeAgo))
+                .font(.body)
+                .foregroundColor(.secondary)
+        }
+    }
+}
+
+private extension View {
+    @ViewBuilder
+    func ifLet<T, V: View>(_ value: T?, modify: (Self, T) -> V) -> some View {
+        if let value {
+            modify(self, value)
+        } else {
+            self
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/PlaceholderController.swift

@@ -0,0 +1,48 @@
+//
+//  PlaceholderController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/6/23.
+//
+
+import SwiftUI
+
+final class PlaceholderController: ViewController, PlaceholderViewProvider {
+    
+    private let placeholderView: PlaceholderView = PlaceholderController.makePlaceholderView()
+        
+    static func makePlaceholderView() -> some View {
+        let components = Calendar.current.dateComponents([.month, .day], from: Date())
+        if components.month == 3 && components.day == 14,
+           Date().formatted(date: .numeric, time: .omitted).starts(with: "3") {
+            Text("Happy π day!")
+        } else if components.month == 4 && components.day == 1 {
+            Text("April Fool's!").rotationEffect(.radians(.pi), anchor: .center)
+        } else if components.month == 9 && components.day == 5 {
+            // https://weirder.earth/@noracodes/109276419847254552
+            // https://retrocomputing.stackexchange.com/questions/14763/what-warning-was-given-on-attempting-to-post-to-usenet-circa-1990
+            Text("This program posts news to thousands of machines throughout the entire populated world. Please be sure you know what you are doing.").italic()
+        } else if components.month == 9 && components.day == 21 {
+            Text("Do you remember?")
+        } else if components.month == 10 && components.day == 31 {
+            if .random() {
+                Text("Post something spooky!")
+            } else {
+                Text("Any questions?")
+            }
+        } else {
+            Text("What's on your mind?")
+        }
+    }
+    
+    var view: some View {
+        placeholderView
+    }
+}
+
+// exists to provide access to the type alias since the @State property needs it to be explicit
+private protocol PlaceholderViewProvider {
+    associatedtype PlaceholderView: View
+    @ViewBuilder
+    static func makePlaceholderView() -> PlaceholderView
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/PollController.swift

@@ -0,0 +1,182 @@
+//
+//  PollController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/25/23.
+//
+
+import SwiftUI
+import TuskerComponents
+
+class PollController: ViewController {
+    
+    unowned let parent: ComposeController
+    var draft: Draft { parent.draft }
+    let poll: Draft.Poll
+    
+    @Published var duration: Duration
+    
+    init(parent: ComposeController, poll: Draft.Poll) {
+        self.parent = parent
+        self.poll = poll
+        self.duration = .fromTimeInterval(poll.duration) ?? .oneDay
+    }
+    
+    var view: some View {
+        PollView()
+            .environmentObject(poll)
+    }
+    
+    private func removePoll() {
+        withAnimation {
+            draft.poll = nil
+        }
+    }
+    
+    private func moveOptions(indices: IndexSet, newIndex: Int) {
+        poll.options.move(fromOffsets: indices, toOffset: newIndex)
+    }
+    
+    private func removeOption(_ option: Draft.Poll.Option) {
+        poll.options.removeAll(where: { $0.id == option.id })
+    }
+    
+    private var canAddOption: Bool {
+        if let max = parent.mastodonController.instanceFeatures.maxPollOptionsCount {
+            return poll.options.count < max
+        } else {
+            return true
+        }
+    }
+    
+    private func addOption() {
+        poll.options.append(.init(""))
+    }
+    
+    struct PollView: View {
+        @EnvironmentObject private var controller: PollController
+        @EnvironmentObject private var poll: Draft.Poll
+        @Environment(\.colorScheme) private var colorScheme
+        
+        var body: some View {
+            VStack {
+                HStack {
+                    Text("Poll")
+                        .font(.headline)
+                    
+                    Spacer()
+                    
+                    Button(action: controller.removePoll) {
+                        Image(systemName: "xmark")
+                            .imageScale(.small)
+                            .padding(4)
+                    }
+                    .accessibilityLabel("Remove poll")
+                    .buttonStyle(.plain)
+                    .accentColor(buttonForegroundColor)
+                    .background(Circle().foregroundColor(buttonBackgroundColor))
+                    .hoverEffect()
+                }
+                
+                List {
+                    ForEach(poll.options) { option in
+                        PollOptionView(option: option, remove: { controller.removeOption(option) })
+                            .frame(height: 36)
+                            .listRowInsets(EdgeInsets(top: 4, leading: 0, bottom: 4, trailing: 0))
+                            .listRowSeparator(.hidden)
+                            .listRowBackground(Color.clear)
+                    }
+                    .onMove(perform: controller.moveOptions)
+                }
+                .listStyle(.plain)
+                .scrollDisabledIfAvailable(true)
+                .frame(height: 44 * CGFloat(poll.options.count))
+                
+                Button(action: controller.addOption) {
+                    Label {
+                        Text("Add Option")
+                    } icon: {
+                        Image(systemName: "plus")
+                            .foregroundColor(.accentColor)
+                    }
+                }
+                .buttonStyle(.borderless)
+                .disabled(!controller.canAddOption)
+                
+                HStack {
+                    MenuPicker(selection: $poll.multiple, options: [
+                        .init(value: true, title: "Allow multiple"),
+                        .init(value: false, title: "Single choice"),
+                    ])
+                    .frame(maxWidth: .infinity)
+                    
+                    MenuPicker(selection: $controller.duration, options: Duration.allCases.map {
+                        .init(value: $0, title: Duration.formatter.string(from: $0.timeInterval)!)
+                    })
+                    .frame(maxWidth: .infinity)
+                }
+            }
+            .padding(8)
+            .background(
+                backgroundColor
+                    .cornerRadius(10)
+            )
+            .onChange(of: controller.duration) { newValue in
+                poll.duration = newValue.timeInterval
+            }
+        }
+        
+        private var backgroundColor: Color {
+            // in light mode, .secondarySystemBackground has a blue-ish hue, which we don't want
+            colorScheme == .dark ? controller.parent.config.fillColor : Color(white: 0.95)
+        }
+        
+        private var buttonForegroundColor: Color {
+            Color(uiColor: .label)
+        }
+        
+        private var buttonBackgroundColor: Color {
+            Color(white: colorScheme == .dark ? 0.1 : 0.8)
+        }
+    }
+}
+
+extension PollController {
+    enum Duration: Hashable, Equatable, CaseIterable {
+        case fiveMinutes, thirtyMinutes, oneHour, sixHours, oneDay, threeDays, sevenDays
+        
+        static let formatter: DateComponentsFormatter = {
+            let f = DateComponentsFormatter()
+            f.maximumUnitCount = 1
+            f.unitsStyle = .full
+            f.allowedUnits = [.weekOfMonth, .day, .hour, .minute]
+            return f
+        }()
+        
+        static func fromTimeInterval(_ ti: TimeInterval) -> Duration? {
+            for it in allCases where it.timeInterval == ti {
+                return it
+            }
+            return nil
+        }
+        
+        var timeInterval: TimeInterval {
+            switch self {
+            case .fiveMinutes:
+                return 5 * 60
+            case .thirtyMinutes:
+                return 30 * 60
+            case .oneHour:
+                return 60 * 60
+            case .sixHours:
+                return 6 * 60 * 60
+            case .oneDay:
+                return 24 * 60 * 60
+            case .threeDays:
+                return 3 * 24 * 60 * 60
+            case .sevenDays:
+                return 7 * 24 * 60 * 60
+            }
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/ToolbarController.swift

@@ -0,0 +1,160 @@
+//
+//  ToolbarController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/7/23.
+//
+
+import SwiftUI
+import Pachyderm
+import TuskerComponents
+
+class ToolbarController: ViewController {
+    static let height: CGFloat = 44
+    private static let visibilityOptions: [MenuPicker<Pachyderm.Visibility>.Option] = Pachyderm.Visibility.allCases.map { vis in
+            .init(value: vis, title: vis.displayName, subtitle: vis.subtitle, image: UIImage(systemName: vis.unfilledImageName), accessibilityLabel: "Visibility: \(vis.displayName)")
+    }
+    
+    unowned let parent: ComposeController
+    
+    @Published var minWidth: CGFloat?
+    @Published var realWidth: CGFloat?
+    
+    init(parent: ComposeController) {
+        self.parent = parent
+    }
+    
+    var view: some View {
+        ToolbarView()
+    }
+    
+    func showEmojiPicker() {
+        guard parent.currentInput?.autocompleteState == nil else {
+            return
+        }
+        parent.shouldEmojiAutocompletionBeginExpanded = true
+        parent.currentInput?.beginAutocompletingEmoji()
+    }
+    
+    func formatAction(_ format: StatusFormat) -> () -> Void {
+        { [weak self] in
+            self?.parent.currentInput?.applyFormat(format)
+        }
+    }
+    
+    struct ToolbarView: View {
+        @EnvironmentObject private var draft: Draft
+        @EnvironmentObject private var controller: ToolbarController
+        @EnvironmentObject private var composeController: ComposeController
+        @ScaledMetric(relativeTo: .body) private var imageSize: CGFloat = 22
+        
+        @State private var minWidth: CGFloat?
+        @State private var realWidth: CGFloat?
+        
+        var body: some View {
+            ScrollView(.horizontal, showsIndicators: false) {
+                HStack(spacing: 0) {
+                    cwButton
+                    
+                    MenuPicker(selection: $draft.visibility, options: ToolbarController.visibilityOptions, buttonStyle: .iconOnly)
+                    // the button has a bunch of extra space by default, but combined with what we add it's too much
+                        .padding(.horizontal, -8)
+                    
+                    if composeController.mastodonController.instanceFeatures.localOnlyPosts {
+                        localOnlyPicker
+                            .padding(.horizontal, -8)
+                    }
+                    
+                    if let currentInput = composeController.currentInput,
+                       currentInput.toolbarElements.contains(.emojiPicker) {
+                        customEmojiButton
+                    }
+                    
+                    if let currentInput = composeController.currentInput,
+                       currentInput.toolbarElements.contains(.formattingButtons),
+                       composeController.config.contentType != .plain {
+                        
+                        Spacer()
+                        formatButtons
+                    }
+                    
+                    Spacer()
+                }
+                .padding(.horizontal, 16)
+                .frame(minWidth: minWidth)
+                .background(GeometryReader { proxy in
+                    Color.clear
+                        .preference(key: ToolbarWidthPrefKey.self, value: proxy.size.width)
+                        .onPreferenceChange(ToolbarWidthPrefKey.self) { width in
+                            realWidth = width
+                        }
+                })
+            }
+            .scrollDisabledIfAvailable(realWidth ?? 0 <= minWidth ?? 0)
+            .frame(height: ToolbarController.height)
+            .frame(maxWidth: .infinity)
+            .background(.regularMaterial, ignoresSafeAreaEdges: .bottom)
+            .overlay(alignment: .top) {
+                Divider()
+            }
+            .background(GeometryReader { proxy in
+                Color.clear
+                    .preference(key: ToolbarWidthPrefKey.self, value: proxy.size.width)
+                    .onPreferenceChange(ToolbarWidthPrefKey.self) { width in
+                        minWidth = width
+                    }
+            })
+        }
+        
+        private var cwButton: some View {
+            Button("CW", action: controller.parent.toggleContentWarning)
+                .accessibilityLabel(draft.contentWarningEnabled ? "Remove content warning" : "Add content warning")
+                .padding(5)
+                .hoverEffect()
+        }
+        
+        private var localOnlyPicker: some View {
+            let domain = composeController.mastodonController.accountInfo!.instanceURL.host!
+            return MenuPicker(selection: $draft.localOnly, options: [
+                .init(value: true, title: "Local-only", subtitle: "Only \(domain)", image: UIImage(named: "link.broken")),
+                .init(value: false, title: "Federated", image: UIImage(systemName: "link")),
+            ], buttonStyle: .iconOnly)
+        }
+        
+        private var customEmojiButton: some View {
+            Button(action: controller.showEmojiPicker) {
+                Label("Insert custom emoji", systemImage: "face.smiling")
+            }
+            .labelStyle(.iconOnly)
+            .font(.system(size: imageSize))
+            .padding(5)
+            .hoverEffect()
+            .transition(.opacity.animation(.linear(duration: 0.2)))
+        }
+        
+        private var formatButtons: some View {
+            ForEach(StatusFormat.allCases, id: \.rawValue) { format in
+                Button(action: controller.formatAction(format)) {
+                    if let imageName = format.imageName {
+                        Image(systemName: imageName)
+                            .font(.system(size: imageSize))
+                    } else if let (str, attrs) = format.title {
+                        let container = try! AttributeContainer(attrs, including: \.uiKit)
+                        Text(AttributedString(str, attributes: container))
+                    }
+                }
+                .accessibilityLabel(format.accessibilityLabel)
+                .padding(5)
+                .hoverEffect()
+                .transition(.opacity.animation(.linear(duration: 0.2)))
+            }
+        }
+    }
+}
+
+private struct ToolbarWidthPrefKey: PreferenceKey {
+    static var defaultValue: CGFloat? = nil
+    static func reduce(value: inout CGFloat?, nextValue: () -> CGFloat?) {
+        value = nextValue()
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/FuzzyMatcher.swift

@@ -0,0 +1,62 @@
+//
+//  FuzzyMatcher.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 10/10/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+
+struct FuzzyMatcher {
+    
+    private init() {}
+    
+    /// Rudimentary string fuzzy matching algorithm.
+    ///
+    /// Operates on UTF-8 code points, so attempting to match strings which include characters composed of
+    /// multiple code points may produce unexpected results.
+    ///
+    /// Scoring is as follows:
+    /// +2 points for every char in `pattern` that occurs in `str` sequentially
+    /// -2 points for every char in `pattern` that does not occur in `str` sequentially
+    /// -1 point for every char in `str` skipped between matching chars from the `pattern`
+    static func match(pattern: String, str: String) -> (matched: Bool, score: Int) {
+        let pattern = pattern.lowercased()
+        let str = str.lowercased()
+        
+        var patternIndex = pattern.utf8.startIndex
+        var lastStrMatchIndex: String.UTF8View.Index?
+        var strIndex = str.utf8.startIndex
+        
+        var score = 0
+        
+        while patternIndex < pattern.utf8.endIndex && strIndex < str.utf8.endIndex {
+            let patternChar = pattern.utf8[patternIndex]
+            let strChar = str.utf8[strIndex]
+            if patternChar == strChar {
+                let distance = str.utf8.distance(from: lastStrMatchIndex ?? str.utf8.startIndex, to: strIndex)
+                if distance > 1 {
+                    score -= distance - 1
+                }
+                
+                patternIndex = pattern.utf8.index(after: patternIndex)
+                lastStrMatchIndex = strIndex
+                strIndex = str.utf8.index(after: strIndex)
+                
+                score += 2
+            } else {
+                strIndex = str.utf8.index(after: strIndex)
+                
+                if strIndex >= str.utf8.endIndex {
+                    patternIndex = pattern.utf8.index(after: patternIndex)
+                    strIndex = str.utf8.index(after: lastStrMatchIndex ?? str.utf8.startIndex)
+                    score -= 2
+                }
+            }
+        }
+        
+        return (score > 0, score)
+    }
+    
+}

Packages/ComposeUI/Sources/ComposeUI/KeyboardReader.swift

@@ -0,0 +1,29 @@
+//
+//  KeyboardReader.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/7/23.
+//
+
+import UIKit
+import Combine
+
+@available(iOS, obsoleted: 16.0)
+class KeyboardReader: ObservableObject {
+    @Published var isVisible = false
+    
+    init() {
+        NotificationCenter.default.addObserver(self, selector: #selector(willShow), name: UIResponder.keyboardWillShowNotification, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(willHide), name: UIResponder.keyboardWillHideNotification, object: nil)
+    }
+    
+    @objc func willShow(_ notification: Foundation.Notification) {
+        // when a hardware keyboard is connected, the height is very short, so we don't consider that being "visible"
+        let endFrame = notification.userInfo![UIResponder.keyboardFrameEndUserInfoKey] as! CGRect
+        isVisible = endFrame.height > 72
+    }
+    
+    @objc func willHide() {
+        isVisible = false
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Model/AttachmentData.swift

@@ -0,0 +1,278 @@
+//
+//  AttachmentData.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 1/1/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Photos
+import UniformTypeIdentifiers
+import PencilKit
+import InstanceFeatures
+
+enum AttachmentData {
+    case asset(PHAsset)
+    case image(Data, originalType: UTType)
+    case video(URL)
+    case drawing(PKDrawing)
+    case gif(Data)
+    
+    var type: AttachmentType {
+        switch self {
+        case let .asset(asset):
+            return asset.attachmentType!
+        case .image(_, originalType: _):
+            return .image
+        case .video(_):
+            return .video
+        case .drawing(_):
+            return .image
+        case .gif(_):
+            return .image
+        }
+    }
+    
+    var isAsset: Bool {
+        switch self {
+        case .asset(_):
+            return true
+        default:
+            return false
+        }
+    }
+    
+    var canSaveToDraft: Bool {
+        switch self {
+        case .video(_):
+            return false
+        default:
+            return true
+        }
+    }
+    
+    func getData(features: InstanceFeatures, skipAllConversion: Bool = false, completion: @escaping (Result<(Data, UTType), Error>) -> Void) {
+        switch self {
+        case let .image(originalData, originalType):
+            let data: Data
+            let type: UTType
+            switch originalType {
+            case .png, .jpeg:
+                data = originalData
+                type =  originalType
+            default:
+                let image = UIImage(data: originalData)!
+                // The quality of 0.8 was chosen completely arbitrarily, it may need to be tuned in the future.
+                data = image.jpegData(compressionQuality: 0.8)!
+                type = .jpeg
+            }
+            let processed = processImageData(data, type: type, features: features, skipAllConversion: skipAllConversion)
+            completion(.success(processed))
+        case let .asset(asset):
+            if asset.mediaType == .image {
+                let options = PHImageRequestOptions()
+                options.version = .current
+                options.deliveryMode = .highQualityFormat
+                options.resizeMode = .none
+                options.isNetworkAccessAllowed = true
+                PHImageManager.default().requestImageDataAndOrientation(for: asset, options: options) { (data, dataUTI, orientation, info) in
+                    guard let data = data, let dataUTI = dataUTI else {
+                        completion(.failure(.missingData))
+                        return
+                    }
+                    let processed = processImageData(data, type: UTType(dataUTI)!, features: features, skipAllConversion: skipAllConversion)
+                    completion(.success(processed))
+                }
+            } else if asset.mediaType == .video {
+                let options = PHVideoRequestOptions()
+                options.deliveryMode = .automatic
+                options.isNetworkAccessAllowed = true
+                options.version = .current
+                PHImageManager.default().requestExportSession(forVideo: asset, options: options, exportPreset: AVAssetExportPresetHighestQuality) { (exportSession, info) in
+                    if let exportSession = exportSession {
+                        AttachmentData.exportVideoData(session: exportSession, completion: completion)
+                    } else if let error = info?[PHImageErrorKey] as? Error {
+                        completion(.failure(.videoExport(error)))
+                    } else {
+                        completion(.failure(.noVideoExportSession))
+                    }
+                }
+            } else {
+                fatalError("assetType must be either image or video")
+            }
+        case let .video(url):
+            let asset = AVURLAsset(url: url)
+            guard let session = AVAssetExportSession(asset: asset, presetName: AVAssetExportPresetHighestQuality) else {
+                completion(.failure(.noVideoExportSession))
+                return
+            }
+            AttachmentData.exportVideoData(session: session, completion: completion)
+            
+        case let .drawing(drawing):
+            let image = drawing.imageInLightMode(from: drawing.bounds, scale: 1)
+            completion(.success((image.pngData()!, .png)))
+        case let .gif(data):
+            completion(.success((data, .gif)))
+        }
+    }
+    
+    private func processImageData(_ data: Data, type: UTType, features: InstanceFeatures, skipAllConversion: Bool) -> (Data, UTType) {
+        guard !skipAllConversion else {
+            return (data, type)
+        }
+        
+        var data = data
+        var type = type
+        let image = CIImage(data: data)!
+        let needsColorSpaceConversion = features.needsWideColorGamutHack && image.colorSpace?.name != CGColorSpace.sRGB
+        
+        // neither Mastodon nor Pleroma handles HEIC well, so convert to JPEG
+        // they also do a bad job converting wide color gamut images (they seem to just drop the profile, letting the wide-gamut values be reinterprete as sRGB)
+        // if that changes in the future, we'll need to pass the InstanceFeatures in here somehow and gate the conversion
+        if needsColorSpaceConversion || type == .heic {
+            let context = CIContext()
+            let colorSpace = needsColorSpaceConversion || image.colorSpace != nil ? CGColorSpace(name: CGColorSpace.sRGB)! : image.colorSpace!
+            if type == .png {
+                data = context.pngRepresentation(of: image, format: .ARGB8, colorSpace: colorSpace)!
+            } else {
+                data = context.jpegRepresentation(of: image, colorSpace: colorSpace)!
+                type = .jpeg
+            }
+        }
+        
+        return (data, type)
+    }
+    
+    private static func exportVideoData(session: AVAssetExportSession, completion: @escaping (Result<(Data, UTType), Error>) -> Void) {
+        session.outputFileType = .mp4
+        session.outputURL = FileManager.default.temporaryDirectory.appendingPathComponent("exported_video_\(UUID())").appendingPathExtension("mp4")
+        session.exportAsynchronously {
+            guard session.status == .completed else {
+                completion(.failure(.videoExport(session.error!)))
+                return
+            }
+            do {
+                let data = try Data(contentsOf: session.outputURL!)
+                completion(.success((data, .mpeg4Movie)))
+            } catch {
+                completion(.failure(.videoExport(error)))
+            }
+        }
+    }
+    
+    enum AttachmentType {
+        case image, video
+    }
+    
+    enum Error: Swift.Error, LocalizedError {
+        case missingData
+        case videoExport(Swift.Error)
+        case noVideoExportSession
+        
+        var localizedDescription: String {
+            switch self {
+            case .missingData:
+                return "Missing Data"
+            case .videoExport(let error):
+                return "Exporting video: \(error)"
+            case .noVideoExportSession:
+                return "Couldn't create video export session"
+            }
+        }
+    }
+}
+
+extension PHAsset {
+    var attachmentType: AttachmentData.AttachmentType? {
+        switch self.mediaType {
+        case .image:
+            return .image
+        case .video:
+            return .video
+        default:
+            return nil
+        }
+    }
+}
+
+extension AttachmentData: Codable {
+    func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        
+        switch self {
+        case let .asset(asset):
+            try container.encode("asset", forKey: .type)
+            try container.encode(asset.localIdentifier, forKey: .assetIdentifier)
+        case let .image(originalData, originalType):
+            try container.encode("image", forKey: .type)
+            try container.encode(originalType, forKey: .imageType)
+            try container.encode(originalData, forKey: .imageData)
+        case .video(_):
+            throw EncodingError.invalidValue(self, EncodingError.Context(codingPath: encoder.codingPath, debugDescription: "video CompositionAttachments cannot be encoded"))
+        case let .drawing(drawing):
+            try container.encode("drawing", forKey: .type)
+            let drawingData = drawing.dataRepresentation()
+            try container.encode(drawingData, forKey: .drawing)
+        case .gif(_):
+            throw EncodingError.invalidValue(self, EncodingError.Context(codingPath: encoder.codingPath, debugDescription: "gif CompositionAttachments cannot be encoded"))
+        }
+    }
+    
+    init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        
+        switch try container.decode(String.self, forKey: .type) {
+        case "asset":
+            let identifier = try container.decode(String.self, forKey: .assetIdentifier)
+            guard let asset = PHAsset.fetchAssets(withLocalIdentifiers: [identifier], options: nil).firstObject else {
+                throw DecodingError.dataCorruptedError(forKey: .assetIdentifier, in: container, debugDescription: "Could not fetch asset with local identifier")
+            }
+            self = .asset(asset)
+        case "image":
+            let data = try container.decode(Data.self, forKey: .imageData)
+            if let type = try container.decodeIfPresent(UTType.self, forKey: .imageType) {
+                self = .image(data, originalType: type)
+            } else {
+                guard let image = UIImage(data: data) else {
+                    throw DecodingError.dataCorruptedError(forKey: .imageData, in: container, debugDescription: "CompositionAttachment data could not be decoded into UIImage")
+                }
+                let jpegData = image.jpegData(compressionQuality: 1)!
+                self = .image(jpegData, originalType: .jpeg)
+            }
+        case "drawing":
+            let drawingData = try container.decode(Data.self, forKey: .drawing)
+            let drawing = try PKDrawing(data: drawingData)
+            self = .drawing(drawing)
+        default:
+            throw DecodingError.dataCorruptedError(forKey: .type, in: container, debugDescription: "CompositionAttachment type must be one of image, asset, or drawing")
+        }
+    }
+    
+    enum CodingKeys: CodingKey {
+        case type
+        case imageData
+        case imageType
+        /// The local identifier of the PHAsset for this attachment
+        case assetIdentifier
+        /// The PKDrawing object for this attachment.
+        case drawing
+    }
+}
+
+extension AttachmentData: Equatable {
+    static func ==(lhs: AttachmentData, rhs: AttachmentData) -> Bool {
+        switch (lhs, rhs) {
+        case let (.asset(a), .asset(b)):
+            return a.localIdentifier == b.localIdentifier
+        case let (.image(a, originalType: aType), .image(b, originalType: bType)):
+            return a == b && aType == bType
+        case let (.video(a), .video(b)):
+            return a == b
+        case let (.drawing(a), .drawing(b)):
+            return a == b
+        default:
+            return false
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Model/DismissMode.swift

@@ -0,0 +1,12 @@
+//
+//  DismissMode.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/7/23.
+//
+
+import Foundation
+
+public enum DismissMode {
+    case cancel, post
+}

Packages/ComposeUI/Sources/ComposeUI/Model/Draft.swift

@@ -1,55 +1,62 @@
 //
 //  Draft.swift
-//  Tusker
+//  ComposeUI
 //
 //  Created by Shadowfacts on 8/18/20.
 //  Copyright © 2020 Shadowfacts. All rights reserved.
 //
 
 import Foundation
+import Combine
 import Pachyderm
 
-class Draft: Codable, ObservableObject {
+public class Draft: Codable, Identifiable, ObservableObject {
-    let id: UUID
+    public let id: UUID
     var lastModified: Date
     
-    @Published var accountID: String
+    @Published public var accountID: String
-    @Published var text: String
+    @Published public var text: String
-    @Published var contentWarningEnabled: Bool
+    @Published public var contentWarningEnabled: Bool
-    @Published var contentWarning: String
+    @Published public var contentWarning: String
-    @Published var attachments: [CompositionAttachment]
+    @Published public var attachments: [DraftAttachment]
-    @Published var inReplyToID: String?
+    @Published public var inReplyToID: String?
-    @Published var visibility: Status.Visibility
+    @Published public var visibility: Visibility
-    @Published var poll: Poll?
+    @Published public var poll: Poll?
-    @Published var localOnly: Bool
+    @Published public var localOnly: Bool
     
     var initialText: String
     
-    var hasContent: Bool {
+    public var hasContent: Bool {
         (!text.isEmpty && text != initialText) ||
             (contentWarningEnabled && !contentWarning.isEmpty) ||
             attachments.count > 0 ||
             poll?.hasContent == true
     }
     
-    init(accountID: String) {
+    public init(
+        accountID: String,
+        text: String,
+        contentWarning: String,
+        inReplyToID: String?,
+        visibility: Visibility,
+        localOnly: Bool
+    ) {
         self.id = UUID()
         self.lastModified = Date()
         
         self.accountID = accountID
-        self.text = ""
+        self.text = text
-        self.contentWarningEnabled = false
+        self.contentWarning = contentWarning
-        self.contentWarning = ""
+        self.contentWarningEnabled = !contentWarning.isEmpty
         self.attachments = []
-        self.inReplyToID = nil
+        self.inReplyToID = inReplyToID
-        self.visibility = Preferences.shared.defaultPostVisibility
+        self.visibility = visibility
-        self.poll = nil
+        self.localOnly = localOnly
-        self.localOnly = false
         
-        self.initialText = ""
+        self.initialText = text
     }
     
-    required init(from decoder: Decoder) throws {
+    public required init(from decoder: Decoder) throws {
         let container = try decoder.container(keyedBy: CodingKeys.self)
         
         self.id = try container.decode(UUID.self, forKey: .id)
@@ -59,16 +66,16 @@ class Draft: Codable, ObservableObject {
         self.text = try container.decode(String.self, forKey: .text)
         self.contentWarningEnabled = try container.decode(Bool.self, forKey: .contentWarningEnabled)
         self.contentWarning = try container.decode(String.self, forKey: .contentWarning)
-        self.attachments = try container.decode([CompositionAttachment].self, forKey: .attachments)
+        self.attachments = try container.decode([DraftAttachment].self, forKey: .attachments)
         self.inReplyToID = try container.decode(String?.self, forKey: .inReplyToID)
-        self.visibility = try container.decode(Status.Visibility.self, forKey: .visibility)
+        self.visibility = try container.decode(Visibility.self, forKey: .visibility)
         self.poll = try container.decode(Poll?.self, forKey: .poll)
         self.localOnly = try container.decodeIfPresent(Bool.self, forKey: .localOnly) ?? false
         
         self.initialText = try container.decode(String.self, forKey: .initialText)
     }
     
-    func encode(to encoder: Encoder) throws {
+    public func encode(to encoder: Encoder) throws {
         var container = encoder.container(keyedBy: CodingKeys.self)
         
         try container.encode(id, forKey: .id)
@@ -89,13 +96,11 @@ class Draft: Codable, ObservableObject {
 }
 
 extension Draft: Equatable {
-    static func ==(lhs: Draft, rhs: Draft) -> Bool {
+    public static func ==(lhs: Draft, rhs: Draft) -> Bool {
         return lhs.id == rhs.id
     }
 }
 
-extension Draft: Identifiable {}
-
 extension Draft {
     enum CodingKeys: String, CodingKey {
         case id
@@ -116,29 +121,29 @@ extension Draft {
 }
 
 extension Draft {
-    class Poll: Codable, ObservableObject {
+    public class Poll: Codable, ObservableObject {
-        @Published var options: [Option]
+        @Published public var options: [Option]
-        @Published var multiple: Bool
+        @Published public var multiple: Bool
-        @Published var duration: TimeInterval
+        @Published public var duration: TimeInterval
         
         var hasContent: Bool {
             options.contains { !$0.text.isEmpty }
         }
         
-        init() {
+        public init() {
             self.options = [Option(""), Option("")]
             self.multiple = false
             self.duration = 24 * 60 * 60 // 1 day
         }
         
-        required init(from decoder: Decoder) throws {
+        public required init(from decoder: Decoder) throws {
             let container = try decoder.container(keyedBy: CodingKeys.self)
             self.options = try container.decode([Option].self, forKey: .options)
             self.multiple = try container.decode(Bool.self, forKey: .multiple)
             self.duration = try container.decode(TimeInterval.self, forKey: .duration)
         }
         
-        func encode(to encoder: Encoder) throws {
+        public func encode(to encoder: Encoder) throws {
             var container = encoder.container(keyedBy: CodingKeys.self)
             try container.encode(options, forKey: .options)
             try container.encode(multiple, forKey: .multiple)
@@ -151,76 +156,22 @@ extension Draft {
             case duration
         }
         
-        class Option: Identifiable, Codable, ObservableObject {
+        public class Option: Identifiable, Codable, ObservableObject {
-            let id = UUID()
+            public let id = UUID()
-            @Published var text: String
+            @Published public var text: String
             
             init(_ text: String) {
                 self.text = text
             }
             
-            required init(from decoder: Decoder) throws {
+            public required init(from decoder: Decoder) throws {
                 self.text = try decoder.singleValueContainer().decode(String.self)
             }
             
-            func encode(to encoder: Encoder) throws {
+            public func encode(to encoder: Encoder) throws {
                 var container = encoder.singleValueContainer()
                 try container.encode(text)
             }
         }
     }
 }
-
-extension MastodonController {
-    
-    func createDraft(inReplyToID: String? = nil, mentioningAcct: String? = nil) -> Draft {
-        var acctsToMention = [String]()
-        
-        var visibility = inReplyToID != nil ? Preferences.shared.defaultReplyVisibility.resolved : Preferences.shared.defaultPostVisibility
-        var localOnly = false
-        var contentWarning = ""
-        
-        if let inReplyToID = inReplyToID,
-           let inReplyTo = persistentContainer.status(for: inReplyToID) {
-            acctsToMention.append(inReplyTo.account.acct)
-            acctsToMention.append(contentsOf: inReplyTo.mentions.map(\.acct))
-            visibility = min(visibility, inReplyTo.visibility)
-            localOnly = instanceFeatures.localOnlyPosts && inReplyTo.localOnly
-            
-            if !inReplyTo.spoilerText.isEmpty {
-                switch Preferences.shared.contentWarningCopyMode {
-                case .doNotCopy:
-                    break
-                case .asIs:
-                    contentWarning = inReplyTo.spoilerText
-                case .prependRe:
-                    if inReplyTo.spoilerText.lowercased().starts(with: "re:") {
-                        contentWarning = inReplyTo.spoilerText
-                    } else {
-                        contentWarning = "re: \(inReplyTo.spoilerText)"
-                    }
-                }
-            }
-        }
-        if let mentioningAcct = mentioningAcct {
-            acctsToMention.append(mentioningAcct)
-        }
-        if let ownAccount = self.account {
-            acctsToMention.removeAll(where: { $0 == ownAccount.acct })
-        }
-        acctsToMention = acctsToMention.uniques()
-        
-        let draft = Draft(accountID: accountInfo!.id)
-        draft.inReplyToID = inReplyToID
-        draft.text = acctsToMention.map { "@\($0) " }.joined()
-        draft.initialText = draft.text
-        draft.visibility = visibility
-        draft.localOnly = localOnly
-        draft.contentWarning = contentWarning
-        draft.contentWarningEnabled = !contentWarning.isEmpty
-        
-        DraftsManager.shared.add(draft)
-        return draft
-    }
-    
-}

Packages/ComposeUI/Sources/ComposeUI/Model/DraftAttachment.swift

@@ -0,0 +1,117 @@
+//
+//  DraftAttachment.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/14/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+import UIKit
+import UniformTypeIdentifiers
+
+public final class DraftAttachment: NSObject, Codable, ObservableObject, Identifiable {
+    static let typeIdentifier = "space.vaccor.Tusker.composition-attachment"
+    
+    public let id: UUID
+    @Published var data: AttachmentData
+    @Published var attachmentDescription: String
+    
+    init(data: AttachmentData, description: String = "") {
+        self.id = UUID()
+        self.data = data
+        self.attachmentDescription = description
+    }
+    
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        
+        self.id = try container.decode(UUID.self, forKey: .id)
+        self.data = try container.decode(AttachmentData.self, forKey: .data)
+        self.attachmentDescription = try container.decode(String.self, forKey: .attachmentDescription)
+    }
+    
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        
+        try container.encode(id, forKey: .id)
+        try container.encode(data, forKey: .data)
+        try container.encode(attachmentDescription, forKey: .attachmentDescription)
+    }
+    
+    static func ==(lhs: DraftAttachment, rhs: DraftAttachment) -> Bool {
+        return lhs.id == rhs.id
+    }
+    
+    enum CodingKeys: String, CodingKey {
+        case id
+        case data
+        case attachmentDescription
+    }
+}
+
+private let imageType = UTType.image.identifier
+private let mp4Type = UTType.mpeg4Movie.identifier
+private let quickTimeType = UTType.quickTimeMovie.identifier
+private let dataType = UTType.data.identifier
+private let gifType = UTType.gif.identifier
+
+extension DraftAttachment: NSItemProviderWriting {
+    public static var writableTypeIdentifiersForItemProvider: [String] {
+        [typeIdentifier]
+    }
+    
+    public func loadData(withTypeIdentifier typeIdentifier: String, forItemProviderCompletionHandler completionHandler: @escaping (Data?, Error?) -> Void) -> Progress? {
+        if typeIdentifier == DraftAttachment.typeIdentifier {
+            do {
+                completionHandler(try PropertyListEncoder().encode(self), nil)
+            } catch {
+                completionHandler(nil, error)
+            }
+        } else {
+            completionHandler(nil, ItemProviderError.incompatibleTypeIdentifier)
+        }
+        return nil
+    }
+    
+    enum ItemProviderError: Error {
+        case incompatibleTypeIdentifier
+
+        var localizedDescription: String {
+            switch self {
+            case .incompatibleTypeIdentifier:
+                return "Cannot provide data for given type"
+            }
+        }
+    }
+}
+
+extension DraftAttachment: NSItemProviderReading {
+    public static var readableTypeIdentifiersForItemProvider: [String] {
+        // todo: is there a better way of handling movies than manually adding all possible UTI types?
+        // just using kUTTypeMovie doesn't work, because we need the actually type in order to get the file extension
+        // without the file extension, getting the thumbnail and exporting the video for attachment upload fails
+        [typeIdentifier] + UIImage.readableTypeIdentifiersForItemProvider + [mp4Type, quickTimeType] + NSURL.readableTypeIdentifiersForItemProvider
+    }
+    
+    public static func object(withItemProviderData data: Data, typeIdentifier: String) throws -> DraftAttachment {
+        if typeIdentifier == DraftAttachment.typeIdentifier {
+            return try PropertyListDecoder().decode(DraftAttachment.self, from: data)
+        } else if typeIdentifier == gifType {
+            return DraftAttachment(data: .gif(data))
+        } else if UIImage.readableTypeIdentifiersForItemProvider.contains(typeIdentifier) {
+            return DraftAttachment(data: .image(data, originalType: UTType(typeIdentifier)!))
+        } else if let type = UTType(typeIdentifier), type == .mpeg4Movie || type == .quickTimeMovie {
+            let temporaryDirectoryURL = URL(fileURLWithPath: NSTemporaryDirectory(), isDirectory: true)
+            let temporaryFileName = ProcessInfo().globallyUniqueString
+            let fileExt = type.preferredFilenameExtension!
+            let temporaryFileURL = temporaryDirectoryURL.appendingPathComponent(temporaryFileName).appendingPathExtension(fileExt)
+            try data.write(to: temporaryFileURL)
+            return DraftAttachment(data: .video(temporaryFileURL))
+        } else if NSURL.readableTypeIdentifiersForItemProvider.contains(typeIdentifier), let url = try? NSURL.object(withItemProviderData: data, typeIdentifier: typeIdentifier) as URL {
+            return DraftAttachment(data: .video(url))
+        } else {
+            throw ItemProviderError.incompatibleTypeIdentifier
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Model/DraftsManager.swift

@@ -0,0 +1,104 @@
+//
+//  DraftsManager.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 10/22/18.
+//  Copyright © 2018 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+import Combine
+
+public class DraftsManager: Codable, ObservableObject {
+
+    public private(set) static var shared: DraftsManager = load()
+    
+    private static var appGroupDirectory = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: "group.space.vaccor.Tusker")!
+    private static var archiveURL = appGroupDirectory.appendingPathComponent("drafts").appendingPathExtension("plist")
+    
+    private static let saveQueue = DispatchQueue(label: "DraftsManager", qos: .utility)
+    
+    public static func save() {
+        saveQueue.async {
+            let encoder = PropertyListEncoder()
+            let data = try? encoder.encode(shared)
+            try? data?.write(to: archiveURL, options: .noFileProtection)
+        }
+    }
+    
+    static func load() -> DraftsManager {
+        let decoder = PropertyListDecoder()
+        if let data = try? Data(contentsOf: archiveURL),
+            let draftsManager = try? decoder.decode(DraftsManager.self, from: data) {
+            return draftsManager
+        }
+        return DraftsManager()
+    }
+    
+    public static func migrate(from url: URL) -> Result<Void, any Error> {
+        do {
+            try? FileManager.default.removeItem(at: archiveURL)
+            try FileManager.default.moveItem(at: url, to: archiveURL)
+        } catch {
+            return .failure(error)
+        }
+        shared = load()
+        return .success(())
+    }
+    
+    private init() {}
+    
+    public required init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        
+        if let dict = try? container.decode([UUID: SafeDraft].self, forKey: .drafts) {
+            self.drafts = dict.compactMapValues { $0.draft }
+        } else if let array = try? container.decode([SafeDraft].self, forKey: .drafts) {
+            self.drafts = array.reduce(into: [:], { partialResult, safeDraft in
+                if let draft = safeDraft.draft {
+                    partialResult[draft.id] = draft
+                }
+            })
+        } else {
+            throw DecodingError.dataCorruptedError(forKey: .drafts, in: container, debugDescription: "expected drafts to be a dict or array of drafts")
+        }
+    }
+    
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        try container.encode(drafts, forKey: .drafts)
+    }
+    
+    @Published private var drafts: [UUID: Draft] = [:]
+    var sorted: [Draft] {
+        return drafts.values.sorted(by: { $0.lastModified > $1.lastModified })
+    }
+    
+    public func add(_ draft: Draft) {
+        drafts[draft.id] = draft
+    }
+    
+    public func remove(_ draft: Draft) {
+        drafts.removeValue(forKey: draft.id)
+    }
+    
+    public func getBy(id: UUID) -> Draft? {
+        return drafts[id]
+    }
+    
+    enum CodingKeys: String, CodingKey {
+        case drafts
+    }
+    
+    // a container that always succeeds at decoding
+    // so if a single draft can't be decoded, we don't lose all drafts
+    struct SafeDraft: Decodable {
+        let draft: Draft?
+        
+        init(from decoder: Decoder) throws {
+            let container = try decoder.singleValueContainer()
+            self.draft = try? container.decode(Draft.self)
+        }
+    }
+    
+}

Packages/ComposeUI/Sources/ComposeUI/Model/StatusFormat.swift

@@ -0,0 +1,95 @@
+//
+//  StatusFormat.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 1/12/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+enum StatusFormat: Int, CaseIterable {
+    case bold, italics, strikethrough, code
+    
+    func insertionResult(for contentType: StatusContentType) -> FormatInsertionResult? {
+        switch contentType {
+        case .plain:
+            return nil
+        case .markdown:
+            return Markdown.format(self)
+        case .html:
+            return HTML.format(self)
+        }
+    }
+    
+    var imageName: String? {
+        switch self {
+        case .italics:
+            return "italic"
+        case .bold:
+            return "bold"
+        case .strikethrough:
+            return "strikethrough"
+        default:
+            return nil
+        }
+    }
+    
+    var title: (String, [NSAttributedString.Key: Any])? {
+        if self == .code {
+            return ("</>", [.font: UIFont(name: "Menlo", size: 17)!])
+        } else {
+            return nil
+        }
+    }
+    
+    var accessibilityLabel: String {
+        switch self {
+        case .italics:
+            return NSLocalizedString("Italics", comment: "italics text format accessibility label")
+        case .bold:
+            return NSLocalizedString("Bold", comment: "bold text format accessibility label")
+        case .strikethrough:
+            return NSLocalizedString("Strikethrough", comment: "strikethrough text format accessibility label")
+        case .code:
+            return NSLocalizedString("Code", comment: "code text format accessibility label")
+        }
+    }
+}
+
+typealias FormatInsertionResult = (prefix: String, suffix: String, insertionPoint: Int)
+
+fileprivate protocol FormatType {
+    static func format(_ format: StatusFormat) -> FormatInsertionResult
+}
+
+extension StatusFormat {
+    struct Markdown: FormatType {
+        static var formats: [StatusFormat: String] = [
+            .italics: "_",
+            .bold: "**",
+            .strikethrough: "~~",
+            .code: "`"
+        ]
+        
+        static func format(_ format: StatusFormat) -> FormatInsertionResult {
+            let str = formats[format]!
+            return (str, str, str.count)
+        }
+    }
+    
+    struct HTML: FormatType {
+        static var tags: [StatusFormat: String] = [
+            .italics: "em",
+            .bold: "strong",
+            .strikethrough: "del",
+            .code: "code"
+        ]
+        
+        static func format(_ format: StatusFormat) -> FormatInsertionResult {
+            let tag = tags[format]!
+            return ("<\(tag)>", "</\(tag)>", tag.count + 2)
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/OptionalObservedObject.swift

@@ -0,0 +1,33 @@
+//
+//  OptionalObservedObject.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 4/15/23.
+//
+
+import SwiftUI
+import Combine
+
+@propertyWrapper
+struct OptionalObservedObject<T: ObservableObject>: DynamicProperty {
+    private class Republisher: ObservableObject {
+        var cancellable: AnyCancellable?
+        var wrapped: T? {
+            didSet {
+                cancellable?.cancel()
+                cancellable = wrapped?.objectWillChange
+                    .receive(on: RunLoop.main)
+                    .sink { [unowned self] _ in
+                        self.objectWillChange.send()
+                    }
+            }
+        }
+    }
+    
+    @StateObject private var republisher = Republisher()
+    var wrappedValue: T?
+    
+    func update() {
+        republisher.wrapped = wrappedValue
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/PKDrawing+Render.swift

@@ -0,0 +1,33 @@
+//
+//  PKDrawing+Render.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 5/9/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import PencilKit
+
+extension PKDrawing {
+    
+    func imageInLightMode(from rect: CGRect, scale: CGFloat = UIScreen.main.scale) -> UIImage {
+        let lightTraitCollection = UITraitCollection(userInterfaceStyle: .light)
+        var drawingImage: UIImage!
+        lightTraitCollection.performAsCurrent {
+            drawingImage = self.image(from: rect, scale: scale)
+        }
+        
+        let imageRect = CGRect(origin: .zero, size: rect.size)
+        let format = UIGraphicsImageRendererFormat()
+        format.opaque = false
+        format.scale = scale
+        let renderer = UIGraphicsImageRenderer(size: rect.size, format: format)
+        return renderer.image { (context) in
+            UIColor.white.setFill()
+            context.fill(imageRect)
+            drawingImage.draw(in: imageRect)
+        }
+    }
+    
+}

Packages/ComposeUI/Sources/ComposeUI/TextViewCaretScrolling.swift

@@ -1,5 +1,5 @@
 //
-//  ComposeTextViewCaretScrolling.swift
+//  TextViewCaretScrolling.swift
 //  Tusker
 //
 //  Created by Shadowfacts on 11/11/20.
@@ -8,11 +8,11 @@
 
 import UIKit
 
-protocol ComposeTextViewCaretScrolling: AnyObject {
+protocol TextViewCaretScrolling: AnyObject {
     var caretScrollPositionAnimator: UIViewPropertyAnimator? { get set }
 }
 
-extension ComposeTextViewCaretScrolling {
+extension TextViewCaretScrolling {
     func ensureCursorVisible(textView: UITextView) {
         guard textView.isFirstResponder,
               let range = textView.selectedTextRange,

Packages/ComposeUI/Sources/ComposeUI/UITextInput+Autocomplete.swift

@@ -0,0 +1,183 @@
+//
+//  UITextInput+Autocomplete.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/5/23.
+//
+
+import UIKit
+import SwiftUI
+
+extension UITextInput {
+    func autocomplete(with string: String, permittedModes: AutocompleteModes, autocompleteState: inout AutocompleteState?) {
+        guard let selectedTextRange,
+              let wholeDocumentRange = self.textRange(from: self.beginningOfDocument, to: self.endOfDocument),
+              let text = self.text(in: wholeDocumentRange),
+              let (lastWordStartIndex, _) = findAutocompleteLastWord() else {
+            return
+        }
+        
+        let distanceToEnd = self.offset(from: selectedTextRange.start, to: self.endOfDocument)
+        
+        let selectedRangeStartUTF16 = self.offset(from: self.beginningOfDocument, to: selectedTextRange.start)
+        let characterBeforeCursorIndex = text.utf16.index(text.startIndex, offsetBy: selectedRangeStartUTF16)
+        
+        let insertSpace: Bool
+        if distanceToEnd > 0 {
+            let charAfterCursor = text[characterBeforeCursorIndex]
+            insertSpace = charAfterCursor != " " && charAfterCursor != "\n"
+        } else {
+            insertSpace = true
+        }
+        let string = insertSpace ? string + " " : string
+        
+        let startPosition = self.position(from: self.beginningOfDocument, offset: text.utf16.distance(from: text.startIndex, to: lastWordStartIndex))!
+        let lastWordRange = self.textRange(from: startPosition, to: selectedTextRange.start)!
+        replace(lastWordRange, withText: string)
+        
+        autocompleteState = updateAutocompleteState(permittedModes: permittedModes)
+        
+        // keep the cursor at the same position in the text, immediately after what was inserted
+        // if we inserted a space, move the cursor 1 farther so it's immediately after the pre-existing space
+        let insertSpaceOffset = insertSpace ? 0 : 1
+        let newCursorPosition = self.position(from: self.endOfDocument, offset: -distanceToEnd + insertSpaceOffset)!
+        self.selectedTextRange = self.textRange(from: newCursorPosition, to: newCursorPosition)
+    }
+    
+    func updateAutocompleteState(permittedModes: AutocompleteModes) -> AutocompleteState? {
+        guard let selectedTextRange,
+            let wholeDocumentRange = self.textRange(from: self.beginningOfDocument, to: self.endOfDocument),
+              let text = self.text(in: wholeDocumentRange),
+              !text.isEmpty,
+              let (lastWordStartIndex, foundFirstAtSign) = findAutocompleteLastWord() else {
+            return nil
+        }
+        
+        let triggerChars = permittedModes.triggerChars
+        
+        if lastWordStartIndex > text.startIndex {
+            // if the character before the "word" beginning is a valid part of a "word",
+            // we aren't able to autocomplete
+            let c = text[text.index(before: lastWordStartIndex)]
+            if isPermittedForAutocomplete(c) || triggerChars.contains(c) {
+                return nil
+            }
+        }
+        
+        let characterBeforeCursorIndex = text.utf16.index(text.startIndex, offsetBy: self.offset(from: self.beginningOfDocument, to: selectedTextRange.start))
+        
+        if lastWordStartIndex >= text.startIndex {
+            let lastWord = text[lastWordStartIndex..<characterBeforeCursorIndex]
+            let exceptFirst = lastWord[lastWord.index(after: lastWord.startIndex)...]
+            
+            // periods are only allowed in mentions in the domain part
+            if lastWord.contains(".") {
+                if lastWord.first == "@" && foundFirstAtSign && permittedModes.contains(.mentions) {
+                    return .mention(String(exceptFirst))
+                } else {
+                    return nil
+                }
+            }
+            
+            switch lastWord.first {
+            case "@" where permittedModes.contains(.mentions):
+                return .mention(String(exceptFirst))
+            case ":" where permittedModes.contains(.emojis):
+                return .emoji(String(exceptFirst))
+            case "#" where permittedModes.contains(.hashtags):
+                return .hashtag(String(exceptFirst))
+            default:
+                return nil
+            }
+        } else {
+            return nil
+        }
+    }
+    
+    private func findAutocompleteLastWord() -> (index: String.Index, foundFirstAtSign: Bool)? {
+        guard (self as? UIView)?.isFirstResponder == true,
+              let selectedTextRange,
+              selectedTextRange.isEmpty,
+              let wholeDocumentRange = self.textRange(from: self.beginningOfDocument, to: self.endOfDocument),
+              let text = self.text(in: wholeDocumentRange),
+              !text.isEmpty else {
+            return nil
+        }
+        
+        let selectedRangeStartUTF16 = self.offset(from: self.beginningOfDocument, to: selectedTextRange.start)
+        let cursorIndex = text.utf16.index(text.startIndex, offsetBy: selectedRangeStartUTF16)
+        
+        guard cursorIndex != text.startIndex else {
+            return nil
+        }
+        
+        var lastWordStartIndex = text.index(before: cursorIndex)
+        var foundFirstAtSign = false
+        while true {
+            let c = text[lastWordStartIndex]
+            
+            if !isPermittedForAutocomplete(c) {
+                if foundFirstAtSign {
+                    if c != "@" {
+                        // move the index forward by 1, so that the first char of the substring is the 1st @ instead of whatever comes before it
+                        lastWordStartIndex = text.index(after: lastWordStartIndex)
+                    }
+                    break
+                } else {
+                    if c == "@" {
+                        foundFirstAtSign = true
+                    } else if c != "." {
+                        // periods are allowed for domain names in mentions
+                        break
+                    }
+                }
+            }
+            
+            guard lastWordStartIndex > text.startIndex else {
+                break
+            }
+            
+            lastWordStartIndex = text.index(before: lastWordStartIndex)
+        }
+        
+        return (lastWordStartIndex, foundFirstAtSign)
+    }
+}
+
+enum AutocompleteState: Equatable {
+    case mention(String)
+    case emoji(String)
+    case hashtag(String)
+}
+
+struct AutocompleteModes: OptionSet {
+    static let mentions = AutocompleteModes(rawValue: 1 << 0)
+    static let hashtags = AutocompleteModes(rawValue: 1 << 2)
+    static let emojis   = AutocompleteModes(rawValue: 1 << 3)
+    
+    static let all: AutocompleteModes = [
+        .mentions,
+        .hashtags,
+        .emojis,
+    ]
+    
+    let rawValue: Int
+    
+    var triggerChars: [Character] {
+        var chars: [Character] = []
+        if contains(.mentions) {
+            chars.append("@")
+        }
+        if contains(.hashtags) {
+            chars.append("#")
+        }
+        if contains(.emojis) {
+            chars.append(":")
+        }
+        return chars
+    }
+}
+
+private func isPermittedForAutocomplete(_ c: Character) -> Bool {
+    return (c >= "a" && c <= "z") || (c >= "A" && c <= "Z") || (c >= "0" && c <= "9") || c == "_"
+}

Packages/ComposeUI/Sources/ComposeUI/View+ForwardsCompat.swift

@@ -0,0 +1,20 @@
+//
+//  View+ForwardsCompat.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/25/23.
+//
+
+import SwiftUI
+
+extension View {
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func scrollDisabledIfAvailable(_ disabled: Bool) -> some View {
+        if #available(iOS 16.0, *) {
+            self.scrollDisabled(disabled)
+        } else {
+            self
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/ViewController.swift

@@ -0,0 +1,29 @@
+//
+//  ViewController.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/4/23.
+//
+
+import SwiftUI
+import Combine
+
+public protocol ViewController: ObservableObject {
+    associatedtype ContentView: View
+    
+    @ViewBuilder
+    var view: ContentView { get }
+}
+
+public struct ControllerView<Controller: ViewController>: View {
+    @StateObject private var controller: Controller
+    
+    public init(controller: @escaping () -> Controller) {
+        self._controller = StateObject(wrappedValue: controller())
+    }
+    
+    public var body: some View {
+        controller.view
+            .environmentObject(controller)
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Views/AttachmentDescriptionTextView.swift

@@ -1,24 +1,20 @@
 //
-//  ComposeTextView.swift
+//  AttachmentDescriptionTextView.swift
-//  Tusker
+//  ComposeUI
 //
-//  Created by Shadowfacts on 8/18/20.
+//  Created by Shadowfacts on 3/12/23.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
 //
 
 import SwiftUI
 
-struct ComposeTextView: View {
+struct AttachmentDescriptionTextView: View {
     @Binding private var text: String
     private let placeholder: Text?
     private let minHeight: CGFloat
     
-    private var heightDidChange: ((CGFloat) -> Void)?
-    private var backgroundColor = UIColor.secondarySystemBackground
-    
     @State private var height: CGFloat?
     
-    init(text: Binding<String>, placeholder: Text?, minHeight: CGFloat = 150) {
+    init(text: Binding<String>, placeholder: Text?, minHeight: CGFloat) {
         self._text = text
         self.placeholder = placeholder
         self.minHeight = minHeight
@@ -26,9 +22,7 @@ struct ComposeTextView: View {
     
     var body: some View {
         ZStack(alignment: .topLeading) {
-            Color(backgroundColor)
+            if text.isEmpty, let placeholder {
-            
-            if text.isEmpty, let placeholder = placeholder {
                 placeholder
                     .font(.body)
                     .foregroundColor(.secondary)
@@ -40,46 +34,32 @@ struct ComposeTextView: View {
                 textDidChange: self.textDidChange,
                 font: .preferredFont(forTextStyle: .body)
             )
-                .frame(height: height ?? minHeight)
+            .frame(height: height ?? minHeight)
         }
     }
     
-    private func textDidChange(textView: UITextView) {
+    private func textDidChange(_ textView: UITextView) {
         height = max(minHeight, textView.contentSize.height)
-        heightDidChange?(height!)
-    }
-    
-    func heightDidChange(_ callback: @escaping (CGFloat) -> Void) -> Self {
-        var copy = self
-        copy.heightDidChange = callback
-        return copy
-    }
-    
-    func backgroundColor(_ color: UIColor) -> Self {
-        var copy = self
-        copy.backgroundColor = color
-        return copy
     }
 }
 
-struct WrappedTextView: UIViewRepresentable {
+private struct WrappedTextView: UIViewRepresentable {
     typealias UIViewType = UITextView
     
     @Binding var text: String
-    var textDidChange: ((UITextView) -> Void)?
+    let textDidChange: ((UITextView) -> Void)
-    var font = UIFont.systemFont(ofSize: 20)
+    let font: UIFont
     
-    @Environment(\.isEnabled) private var isEnabled: Bool
+    @Environment(\.isEnabled) private var isEnabled
     
     func makeUIView(context: Context) -> UITextView {
-        let textView = UITextView()
+        let view = UITextView()
-        textView.delegate = context.coordinator
+        view.delegate = context.coordinator
-        textView.isEditable = true
+        view.backgroundColor = .clear
-        textView.backgroundColor = .clear
+        view.font = font
-        textView.font = font
+        view.adjustsFontForContentSizeCategory = true
-        textView.adjustsFontForContentSizeCategory = true
+        view.textContainer.lineBreakMode = .byWordWrapping
-        textView.textContainer.lineBreakMode = .byWordWrapping
+        return view
-        return textView
     }
     
     func updateUIView(_ uiView: UITextView, context: Context) {
@@ -91,47 +71,42 @@ struct WrappedTextView: UIViewRepresentable {
         // wait until the next runloop iteration so that SwiftUI view updates have finished and
         // the text view knows its new content size
         DispatchQueue.main.async {
-            self.textDidChange?(uiView)
+            self.textDidChange(uiView)
         }
     }
     
     func makeCoordinator() -> Coordinator {
-        return Coordinator(text: $text, didChange: textDidChange)
+        Coordinator(text: $text, didChange: textDidChange)
     }
     
-    class Coordinator: NSObject, UITextViewDelegate, ComposeTextViewCaretScrolling {
+    class Coordinator: NSObject, UITextViewDelegate, TextViewCaretScrolling {
         weak var textView: UITextView?
         var text: Binding<String>
-        var didChange: ((UITextView) -> Void)?
+        var didChange: (UITextView) -> Void
         var caretScrollPositionAnimator: UIViewPropertyAnimator?
         
-        init(text: Binding<String>, didChange: ((UITextView) -> Void)?) {
+        init(text: Binding<String>, didChange: @escaping (UITextView) -> Void) {
             self.text = text
             self.didChange = didChange
             
             super.init()
-
+            
             NotificationCenter.default.addObserver(self, selector: #selector(keyboardDidShow), name: UIResponder.keyboardDidShowNotification, object: nil)
         }
         
         @objc private func keyboardDidShow() {
             guard let textView,
-                  textView.isFirstResponder else { return }
+                  textView.isFirstResponder else {
+                return
+            }
             ensureCursorVisible(textView: textView)
         }
         
         func textViewDidChange(_ textView: UITextView) {
             text.wrappedValue = textView.text
-            didChange?(textView)
+            didChange(textView)
             
             ensureCursorVisible(textView: textView)
         }
     }
 }
-
-
-//struct ComposeTextView_Previews: PreviewProvider {
-//    static var previews: some View {
-//        ComposeTextView()
-//    }
-//}

Packages/ComposeUI/Sources/ComposeUI/Views/AttachmentThumbnailView.swift

@@ -1,6 +1,6 @@
 //
-//  ComposeAttachmentImage.swift
+//  AttachmentThumbnailView.swift
-//  Tusker
+//  ComposeUI
 //
 //  Created by Shadowfacts on 11/10/21.
 //  Copyright © 2021 Shadowfacts. All rights reserved.
@@ -8,9 +8,10 @@
 
 import SwiftUI
 import Photos
+import TuskerComponents
 
-struct ComposeAttachmentImage: View {
+struct AttachmentThumbnailView: View {
-    let attachment: CompositionAttachment
+    let attachment: DraftAttachment
     let fullSize: Bool
     
     @State private var gifData: Data? = nil
@@ -47,8 +48,8 @@ struct ComposeAttachmentImage: View {
     
     private func loadImage() {
         switch attachment.data {
-        case let .image(image):
+        case let .image(originalData, originalType: _):
-            self.image = image
+            self.image = UIImage(data: originalData)
         case let .asset(asset):
             let size: CGSize
             if fullSize {
@@ -94,13 +95,13 @@ struct ComposeAttachmentImage: View {
 
 private struct GIFViewWrapper: UIViewRepresentable {
     typealias UIViewType = GIFImageView
-    
+
     @State private var controller: GIFController
-    
+
     init(gifData: Data) {
         self._controller = State(wrappedValue: GIFController(gifData: gifData))
     }
-    
+
     func makeUIView(context: Context) -> GIFImageView {
         let view = GIFImageView()
         controller.attach(to: view)
@@ -110,13 +111,7 @@ private struct GIFViewWrapper: UIViewRepresentable {
         view.setContentCompressionResistancePriority(.defaultLow, for: .vertical)
         return view
     }
-    
+
     func updateUIView(_ uiView: GIFImageView, context: Context) {
     }
 }
-
-struct ComposeAttachmentImage_Previews: PreviewProvider {
-    static var previews: some View {
-        ComposeAttachmentImage(attachment: CompositionAttachment(data: .image(UIImage())), fullSize: false)
-    }
-}

Packages/ComposeUI/Sources/ComposeUI/Views/CurrentAccountView.swift

@@ -0,0 +1,41 @@
+//
+//  CurrentAccountView.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/4/23.
+//
+
+import SwiftUI
+import Pachyderm
+import TuskerComponents
+
+struct CurrentAccountView: View {
+    let account: (any AccountProtocol)?
+    @EnvironmentObject private var controller: ComposeController
+    
+    var body: some View {
+        HStack(alignment: .top) {
+            AvatarImageView(
+                url: account?.avatar,
+                size: 50,
+                style: controller.config.avatarStyle,
+                fetchAvatar: controller.fetchAvatar
+            )
+            .accessibilityHidden(true)
+            
+            if let account {
+                VStack(alignment: .leading) {
+                    controller.displayNameLabel(account, .title2, 24)
+                        .lineLimit(1)
+                    
+                    Text(verbatim: "@\(account.acct)")
+                        .font(.body.weight(.light))
+                        .foregroundColor(.secondary)
+                        .lineLimit(1)
+                }
+            }
+            
+            Spacer()
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Views/EmojiTextField.swift

@@ -0,0 +1,137 @@
+//
+//  EmojiTextField.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/5/23.
+//
+
+import SwiftUI
+
+struct EmojiTextField: UIViewRepresentable {
+    typealias UIViewType = UITextField
+    
+    @EnvironmentObject private var controller: ComposeController
+    @Environment(\.colorScheme) private var colorScheme
+    
+    @Binding var text: String
+    let placeholder: String
+    let maxLength: Int?
+    let becomeFirstResponder: Binding<Bool>?
+    let focusNextView: Binding<Bool>?
+    
+    init(text: Binding<String>, placeholder: String, maxLength: Int?, becomeFirstResponder: Binding<Bool>? = nil, focusNextView: Binding<Bool>? = nil) {
+        self._text = text
+        self.placeholder = placeholder
+        self.maxLength = maxLength
+        self.becomeFirstResponder = becomeFirstResponder
+        self.focusNextView = focusNextView
+    }
+    
+    func makeUIView(context: Context) -> UITextField {
+        let view = UITextField()
+        view.borderStyle = .roundedRect
+        view.font = .preferredFont(forTextStyle: .body)
+        view.adjustsFontForContentSizeCategory = true
+        view.attributedPlaceholder = NSAttributedString(string: placeholder, attributes: [
+            .foregroundColor: UIColor.secondaryLabel,
+        ])
+        
+        context.coordinator.textField = view
+        
+        view.delegate = context.coordinator
+        view.addTarget(context.coordinator, action: #selector(Coordinator.didChange(_:)), for: .editingChanged)
+        view.addTarget(context.coordinator, action: #selector(Coordinator.returnKeyPressed), for: .primaryActionTriggered)
+        
+        // otherwise when the text gets too wide it starts expanding the ComposeView
+        view.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
+        
+        return view
+    }
+    
+    func updateUIView(_ uiView: UITextField, context: Context) {
+        if text != uiView.text {
+            uiView.text = text
+        }
+        
+        context.coordinator.text = $text
+        context.coordinator.maxLength = maxLength
+        context.coordinator.focusNextView = focusNextView
+        
+        uiView.backgroundColor = colorScheme == .dark ? UIColor(controller.config.fillColor) : .secondarySystemBackground
+        
+        if becomeFirstResponder?.wrappedValue == true {
+            DispatchQueue.main.async {
+                uiView.becomeFirstResponder()
+                becomeFirstResponder!.wrappedValue = false
+            }
+        }
+    }
+    
+    func makeCoordinator() -> Coordinator {
+        Coordinator(controller: controller, text: $text, focusNextView: focusNextView)
+    }
+    
+    class Coordinator: NSObject, UITextFieldDelegate, ComposeInput {
+        let controller: ComposeController
+        var text: Binding<String>
+        var focusNextView: Binding<Bool>?
+        var maxLength: Int?
+        
+        @Published var autocompleteState: AutocompleteState?
+        var autocompleteStatePublisher: Published<AutocompleteState?>.Publisher { $autocompleteState }
+        
+        weak var textField: UITextField?
+        
+        init(controller: ComposeController, text: Binding<String>, focusNextView: Binding<Bool>?, maxLength: Int? = nil) {
+            self.controller = controller
+            self.text = text
+            self.focusNextView = focusNextView
+            self.maxLength = maxLength
+        }
+        
+        @objc func didChange(_ textField: UITextField) {
+            text.wrappedValue = textField.text ?? ""
+        }
+        
+        @objc func returnKeyPressed() {
+            focusNextView?.wrappedValue = true
+        }
+        
+        func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
+            if let maxLength {
+                return ((textField.text ?? "") as NSString).replacingCharacters(in: range, with: string).count <= maxLength
+            } else {
+                return true
+            }
+        }
+        
+        func textFieldDidBeginEditing(_ textField: UITextField) {
+            controller.currentInput = self
+            autocompleteState = textField.updateAutocompleteState(permittedModes: .emojis)
+        }
+        
+        func textFieldDidEndEditing(_ textField: UITextField) {
+            controller.currentInput = nil
+            autocompleteState = textField.updateAutocompleteState(permittedModes: .emojis)
+        }
+        
+        func textFieldDidChangeSelection(_ textField: UITextField) {
+            autocompleteState = textField.updateAutocompleteState(permittedModes: .emojis)
+        }
+        
+        // MARK: ComposeInput
+        
+        var toolbarElements: [ToolbarElement] { [.emojiPicker] }
+        
+        func applyFormat(_ format: StatusFormat) {
+        }
+        
+        func beginAutocompletingEmoji() {
+            textField?.insertText(":")
+        }
+        
+        func autocomplete(with string: String) {
+            textField?.autocomplete(with: string, permittedModes: .emojis, autocompleteState: &autocompleteState)
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Views/HeaderView.swift

@@ -0,0 +1,34 @@
+//
+//  HeaderView.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/4/23.
+//
+
+import SwiftUI
+import Pachyderm
+import InstanceFeatures
+
+struct HeaderView: View {
+    @EnvironmentObject private var controller: ComposeController
+    @EnvironmentObject private var draft: Draft
+    @EnvironmentObject private var instanceFeatures: InstanceFeatures
+    
+    private var charsRemaining: Int { controller.charactersRemaining }
+    
+    var body: some View {
+        HStack(alignment: .top) {
+            CurrentAccountView(account: controller.currentAccount)
+                .accessibilitySortPriority(1)
+            
+            Spacer()
+            
+            Text(verbatim: charsRemaining.description)
+                .foregroundColor(charsRemaining < 0 ? .red : .secondary)
+                .font(Font.body.monospacedDigit())
+                .accessibility(label: Text(charsRemaining < 0 ? "\(-charsRemaining) characters too many" : "\(charsRemaining) characters remaining"))
+                // this should come first, so VO users can back to it from the main compose text view
+                .accessibilitySortPriority(0)
+        }.frame(height: 50)
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Views/MainTextView.swift

@@ -0,0 +1,293 @@
+//
+//  MainTextView.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/6/23.
+//
+
+import SwiftUI
+
+struct MainTextView: View {
+    @EnvironmentObject private var controller: ComposeController
+    @EnvironmentObject private var draft: Draft
+    @Environment(\.colorScheme) private var colorScheme
+    @ScaledMetric private var fontSize = 20
+    
+    @State private var hasFirstAppeared = false
+    @State private var height: CGFloat?
+    private let minHeight: CGFloat = 150
+    private var effectiveHeight: CGFloat { height ?? minHeight }
+    
+    var config: ComposeUIConfig {
+        controller.config
+    }
+    
+    var body: some View {
+        ZStack(alignment: .topLeading) {
+            colorScheme == .dark ? config.fillColor : Color(uiColor: .secondarySystemBackground)
+            
+            if draft.text.isEmpty {
+                ControllerView(controller: { PlaceholderController() })
+                    .font(.system(size: fontSize))
+                    .foregroundColor(.secondary)
+                    .offset(x: 4, y: 8)
+                    .accessibilityHidden(true)
+            }
+            
+            MainWrappedTextViewRepresentable(text: $draft.text, becomeFirstResponder: $controller.mainComposeTextViewBecomeFirstResponder, textDidChange: textDidChange)
+        }
+        .frame(height: effectiveHeight)
+        .onAppear(perform: becomeFirstResponderOnFirstAppearance)
+    }
+    
+    private func becomeFirstResponderOnFirstAppearance() {
+        if !hasFirstAppeared {
+            hasFirstAppeared = true
+            controller.mainComposeTextViewBecomeFirstResponder = true
+        }
+    }
+    
+    private func textDidChange(textView: UITextView) {
+        height = max(textView.contentSize.height, minHeight)
+    }
+}
+
+fileprivate struct MainWrappedTextViewRepresentable: UIViewRepresentable {
+    typealias UIViewType = UITextView
+    
+    @Binding var text: String
+    @Binding var becomeFirstResponder: Bool
+    let textDidChange: (UITextView) -> Void
+    
+    @EnvironmentObject private var controller: ComposeController
+    @Environment(\.isEnabled) private var isEnabled: Bool
+    
+    func makeUIView(context: Context) -> UITextView {
+        let textView = WrappedTextView(composeController: controller)
+        context.coordinator.textView = textView
+        textView.delegate = context.coordinator
+        textView.isEditable = true
+        textView.backgroundColor = .clear
+        textView.font = UIFontMetrics.default.scaledFont(for: .systemFont(ofSize: 20))
+        textView.adjustsFontForContentSizeCategory = true
+        textView.textContainer.lineBreakMode = .byWordWrapping
+        return textView
+    }
+    
+    func updateUIView(_ uiView: UITextView, context: Context) {
+        if text != uiView.text {
+            context.coordinator.skipNextSelectionChangedAutocompleteUpdate = true
+            uiView.text = text
+        }
+        
+        uiView.isEditable = isEnabled
+        uiView.keyboardType = controller.config.useTwitterKeyboard ? .twitter : .default
+        
+        context.coordinator.text = $text
+        
+        // wait until the next runloop iteration so that SwiftUI view updates have finished and
+        // the text view knows its new content size
+        DispatchQueue.main.async {
+            textDidChange(uiView)
+            
+            if becomeFirstResponder {
+                // calling becomeFirstResponder during the SwiftUI update causes a crash on iOS 13
+                uiView.becomeFirstResponder()
+                // can't update @State vars during the SwiftUI update
+                becomeFirstResponder = false
+            }
+        }
+    }
+    
+    func makeCoordinator() -> Coordinator {
+        Coordinator(controller: controller, text: $text, textDidChange: textDidChange)
+    }
+    
+    class WrappedTextView: UITextView {
+        private let formattingActions = [#selector(toggleBoldface(_:)), #selector(toggleItalics(_:))]
+        private let composeController: ComposeController
+        
+        init(composeController: ComposeController) {
+            self.composeController = composeController
+            super.init(frame: .zero, textContainer: nil)
+        }
+        
+        required init?(coder: NSCoder) {
+            fatalError()
+        }
+        
+        override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
+            if formattingActions.contains(action) {
+                return composeController.config.contentType != .plain
+            }
+            return super.canPerformAction(action, withSender: sender)
+        }
+        
+        override func toggleBoldface(_ sender: Any?) {
+            (delegate as! Coordinator).applyFormat(.bold)
+        }
+        
+        override func toggleItalics(_ sender: Any?) {
+            (delegate as! Coordinator).applyFormat(.italics)
+        }
+        
+        override func validate(_ command: UICommand) {
+            super.validate(command)
+            
+            if formattingActions.contains(command.action),
+               composeController.config.contentType != .plain {
+                command.attributes.remove(.disabled)
+            }
+        }
+        
+        override func paste(_ sender: Any?) {
+            // we deliberately exclude the other CompositionAttachment readable type identifiers, because that's too overzealous with the conversion
+            // and things like URLs end up pasting as attachments
+            if UIPasteboard.general.contains(pasteboardTypes: UIImage.readableTypeIdentifiersForItemProvider) {
+                composeController.paste(itemProviders: UIPasteboard.general.itemProviders)
+            } else {
+                super.paste(sender)
+            }
+        }
+    }
+    
+    class Coordinator: NSObject, UITextViewDelegate, ComposeInput, TextViewCaretScrolling {
+        weak var textView: UITextView?
+        
+        let controller: ComposeController
+        var text: Binding<String>
+        let textDidChange: (UITextView) -> Void
+        
+        var caretScrollPositionAnimator: UIViewPropertyAnimator?
+        
+        @Published var autocompleteState: AutocompleteState?
+        var autocompleteStatePublisher: Published<AutocompleteState?>.Publisher { $autocompleteState }
+        var skipNextSelectionChangedAutocompleteUpdate = false
+        
+        init(controller: ComposeController, text: Binding<String>, textDidChange: @escaping (UITextView) -> Void) {
+            self.controller = controller
+            self.text = text
+            self.textDidChange = textDidChange
+            
+            super.init()
+            
+            NotificationCenter.default.addObserver(self, selector: #selector(keyboardDidShow), name: UIResponder.keyboardDidShowNotification, object: nil)
+        }
+        
+        @objc private func keyboardDidShow() {
+            guard let textView,
+                  textView.isFirstResponder else {
+                return
+            }
+            ensureCursorVisible(textView: textView)
+        }
+        
+        // MARK: UITextViewDelegate
+        
+        func textViewDidChange(_ textView: UITextView) {
+            text.wrappedValue = textView.text
+            textDidChange(textView)
+            
+            ensureCursorVisible(textView: textView)
+        }
+        
+        func textViewDidBeginEditing(_ textView: UITextView) {
+            controller.currentInput = self
+            updateAutocompleteState()
+        }
+        
+        func textViewDidEndEditing(_ textView: UITextView) {
+            controller.currentInput = nil
+            updateAutocompleteState()
+        }
+        
+        func textViewDidChangeSelection(_ textView: UITextView) {
+            if skipNextSelectionChangedAutocompleteUpdate {
+                skipNextSelectionChangedAutocompleteUpdate = false
+            } else {
+                updateAutocompleteState()
+            }
+        }
+        
+        func textView(_ textView: UITextView, editMenuForTextIn range: NSRange, suggestedActions: [UIMenuElement]) -> UIMenu? {
+            var actions = suggestedActions
+            if controller.config.contentType != .plain,
+               let index = suggestedActions.firstIndex(where: { ($0 as? UIMenu)?.identifier.rawValue == "com.apple.menu.format" }) {
+                if range.length > 0 {
+                    let formatMenu = suggestedActions[index] as! UIMenu
+                    let newFormatMenu = formatMenu.replacingChildren(StatusFormat.allCases.map { fmt in
+                        var image: UIImage?
+                        if let imageName = fmt.imageName {
+                            image = UIImage(systemName: imageName)
+                        }
+                        return UIAction(title: fmt.accessibilityLabel, image: image) { [weak self] _ in
+                            self?.applyFormat(fmt)
+                        }
+                    })
+                    actions[index] = newFormatMenu
+                } else {
+                    actions.remove(at: index)
+                }
+            }
+            if range.length == 0 {
+                actions.append(UIAction(title: "Insert Emoji", image: UIImage(systemName: "face.smiling"), handler: { [weak self] _ in
+                    self?.controller.shouldEmojiAutocompletionBeginExpanded = true
+                    self?.beginAutocompletingEmoji()
+                }))
+            }
+            return UIMenu(children: actions)
+        }
+        
+        // MARK: ComposeInput
+        
+        var toolbarElements: [ToolbarElement] {
+            [.emojiPicker, .formattingButtons]
+        }
+        
+        func autocomplete(with string: String) {
+            textView?.autocomplete(with: string, permittedModes: .all, autocompleteState: &autocompleteState)
+        }
+        
+        func applyFormat(_ format: StatusFormat) {
+            guard let textView,
+                  textView.isFirstResponder,
+                  let insertionResult = format.insertionResult(for: controller.config.contentType) else {
+                return
+            }
+            
+            let currentSelectedRange = textView.selectedRange
+            if currentSelectedRange.length == 0 {
+                textView.insertText(insertionResult.prefix + insertionResult.suffix)
+                textView.selectedRange = NSRange(location: currentSelectedRange.location + insertionResult.insertionPoint, length: 0)
+            } else {
+                let start = textView.text.utf16.index(textView.text.utf16.startIndex, offsetBy: currentSelectedRange.lowerBound)
+                let end = textView.text.utf16.index(textView.text.utf16.startIndex, offsetBy: currentSelectedRange.upperBound)
+                let selectedText = textView.text.utf16[start..<end]
+                textView.insertText(insertionResult.prefix + String(Substring(selectedText)) + insertionResult.suffix)
+                textView.selectedRange = NSRange(location: currentSelectedRange.location + insertionResult.insertionPoint, length: currentSelectedRange.length)
+            }
+        }
+        
+        func beginAutocompletingEmoji() {
+            guard let textView else {
+                return
+            }
+            var insertSpace = false
+            if let text = textView.text,
+               textView.selectedRange.upperBound > 0 {
+                let characterBeforeCursorIndex = text.utf16.index(before: text.utf16.index(text.startIndex, offsetBy: textView.selectedRange.upperBound))
+                insertSpace = !text[characterBeforeCursorIndex].isWhitespace
+            }
+            textView.insertText((insertSpace ? " " : "") + ":")
+        }
+        
+        private func updateAutocompleteState() {
+            guard let textView else {
+                autocompleteState = nil
+                return
+            }
+            autocompleteState = textView.updateAutocompleteState(permittedModes: .all)
+        }
+        
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Views/PollOptionView.swift

@@ -0,0 +1,75 @@
+//
+//  PollOptionView.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/25/23.
+//
+
+import SwiftUI
+
+struct PollOptionView: View {
+    @EnvironmentObject private var controller: PollController
+    @EnvironmentObject private var poll: Draft.Poll
+    @ObservedObject private var option: Draft.Poll.Option
+    let remove: () -> Void
+    
+    init(option: Draft.Poll.Option, remove: @escaping () -> Void) {
+        self.option = option
+        self.remove = remove
+    }
+    
+    private var optionIndex: Int {
+        poll.options.firstIndex(where: { $0.id == option.id }) ?? 0
+    }
+    
+    var body: some View {
+        HStack(spacing: 4) {
+            Checkbox(radiusFraction: poll.multiple ? 0.1 : 0.5, background: controller.parent.config.backgroundColor)
+                .animation(.default, value: poll.multiple)
+            
+            textField
+            
+            Button(action: remove) {
+                Image(systemName: "minus.circle.fill")
+            }
+            .accessibilityLabel("Remove option")
+            .buttonStyle(.plain)
+            .foregroundColor(poll.options.count == 1 ? .gray : .red)
+            .disabled(poll.options.count == 1)
+            .hoverEffect()
+        }
+    }
+    
+    private var textField: some View {
+        let placeholder = "Option \(optionIndex + 1)"
+        let maxLength = controller.parent.mastodonController.instanceFeatures.maxPollOptionChars
+        return EmojiTextField(text: $option.text, placeholder: placeholder, maxLength: maxLength)
+    }
+    
+    struct Checkbox: View {
+        private let radiusFraction: CGFloat
+        private let size: CGFloat = 20
+        private let innerSize: CGFloat
+        private let background: Color
+        
+        init(radiusFraction: CGFloat, background: Color) {
+            self.radiusFraction = radiusFraction
+            self.innerSize = self.size - 4
+            self.background = background
+        }
+        
+        var body: some View {
+            ZStack {
+                Rectangle()
+                    .foregroundColor(.gray)
+                    .frame(width: size, height: size)
+                    .cornerRadius(radiusFraction * size)
+                
+                Rectangle()
+                    .foregroundColor(background)
+                    .frame(width: innerSize, height: innerSize)
+                    .cornerRadius(radiusFraction * innerSize)
+            }
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Views/ReplyStatusView.swift

@@ -1,41 +1,41 @@
 //
-//  ComposeReplyView.swift
+//  ReplyStatusView.swift
-//  Tusker
+//  ComposeUI
 //
-//  Created by Shadowfacts on 8/22/20.
+//  Created by Shadowfacts on 3/25/23.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
 //
 
 import SwiftUI
+import Pachyderm
+import TuskerComponents
 
-struct ComposeReplyView: View {
+struct ReplyStatusView: View {
-    let status: StatusMO
+    let status: any StatusProtocol
     let rowTopInset: CGFloat
     let globalFrameOutsideList: CGRect
     
+    @EnvironmentObject private var controller: ComposeController
     @State private var displayNameHeight: CGFloat?
     @State private var contentHeight: CGFloat?
     
-    @ObservedObject private var preferences = Preferences.shared
-    
     private let horizSpacing: CGFloat = 8
     
     var body: some View {
         HStack(alignment: .top, spacing: horizSpacing) {
             GeometryReader(content: self.replyAvatarImage)
                 .frame(width: 50)
-
+            
             VStack(alignment: .leading, spacing: 0) {
                 HStack {
-                    AccountDisplayNameLabel(account: status.account, textStyle: .body, emojiSize: 17)
+                    controller.displayNameLabel(status.account, .body, 17)
                         .lineLimit(1)
                         .layoutPriority(1)
-
+                    
                     Text(verbatim: "@\(status.account.acct)")
-                        .font(.system(size: 17, weight: .light))
+                        .font(.body.weight(.light))
                         .foregroundColor(.secondary)
                         .lineLimit(1)
-
+                    
                     Spacer()
                 }
                 .background(GeometryReader { proxy in
@@ -45,8 +45,8 @@ struct ComposeReplyView: View {
                             displayNameHeight = newValue
                         }
                 })
-
+                
-                ComposeReplyContentView(status: status) { newHeight in
+                controller.replyContentView(status) { newHeight in
                     // otherwise, with long in-reply-to statuses, the main content text view position seems not to update
                     // and it ends up  partially behind the header
                     DispatchQueue.main.async {
@@ -76,13 +76,16 @@ struct ComposeReplyView: View {
         // once you scroll past the in-reply-to-content, the bottom of the avatar should be pinned to the bottom of the content
         offset = min(offset, maxOffset)
 
-        return ComposeAvatarImageView(url: status.account.avatar)
+        return AvatarImageView(
-            .frame(width: 50, height: 50)
+            url: status.account.avatar,
-            .cornerRadius(preferences.avatarStyle.cornerRadiusFraction * 50)
+            size: 50,
-            .offset(x: 0, y: offset)
+            style: controller.config.avatarStyle,
-            .accessibilityHidden(true)
+            fetchAvatar: controller.fetchAvatar
+        )
+        .offset(x: 0, y: offset)
+        .accessibilityHidden(true)
     }
-    
+
 }
 
 private struct DisplayNameHeightPrefKey: PreferenceKey {
@@ -91,9 +94,3 @@ private struct DisplayNameHeightPrefKey: PreferenceKey {
         value = nextValue()
     }
 }
-
-//struct ComposeReplyView_Previews: PreviewProvider {
-//    static var previews: some View {
-//        ComposeReplyView()
-//    }
-//}

Packages/ComposeUI/Sources/ComposeUI/Views/WrappedProgressView.swift

@@ -0,0 +1,29 @@
+//
+//  WrappedProgressView.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 8/30/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import SwiftUI
+
+struct WrappedProgressView: UIViewRepresentable {
+    typealias UIViewType = UIProgressView
+    
+    let value: Int
+    let total: Int
+    
+    func makeUIView(context: Context) -> UIProgressView {
+        return UIProgressView(progressViewStyle: .bar)
+    }
+    
+    func updateUIView(_ uiView: UIProgressView, context: Context) {
+        if total > 0 {
+            let progress = Float(value) / Float(total)
+            uiView.setProgress(progress, animated: true)
+        } else {
+            uiView.setProgress(0, animated: true)
+        }
+    }
+}

Packages/ComposeUI/Tests/ComposeUITests/FuzzyMatcherTests.swift

@@ -0,0 +1,25 @@
+//
+//  FuzzyMatcherTests.swift
+//  ComposeUITests
+//
+//  Created by Shadowfacts on 10/11/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import XCTest
+@testable import ComposeUI
+
+class FuzzyMatcherTests: XCTestCase {
+
+    func testExample() throws {
+        XCTAssertEqual(FuzzyMatcher.match(pattern: "foo", str: "foo").score, 6)
+        XCTAssertEqual(FuzzyMatcher.match(pattern: "foo", str: "faoao").score, 4)
+        XCTAssertEqual(FuzzyMatcher.match(pattern: "foo", str: "aaa").score, -6)
+        
+        XCTAssertEqual(FuzzyMatcher.match(pattern: "bar", str: "baz").score, 2)
+        XCTAssertEqual(FuzzyMatcher.match(pattern: "bar", str: "bur").score, 1)
+        
+        XCTAssertGreaterThan(FuzzyMatcher.match(pattern: "sir", str: "sir").score, FuzzyMatcher.match(pattern: "sir", str: "georgespolitzer").score)
+    }
+
+}

Packages/InstanceFeatures/.gitignore

@@ -0,0 +1,9 @@
+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc

Packages/InstanceFeatures/Package.resolved

@@ -0,0 +1,23 @@
+{
+  "pins" : [
+    {
+      "identity" : "swift-system",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-system.git",
+      "state" : {
+        "revision" : "025bcb1165deab2e20d4eaba79967ce73013f496",
+        "version" : "1.2.1"
+      }
+    },
+    {
+      "identity" : "swift-url",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/karwa/swift-url.git",
+      "state" : {
+        "branch" : "main",
+        "revision" : "220f6ab9d8a7e0742f85eb9f21b745942e001ae6"
+      }
+    }
+  ],
+  "version" : 2
+}

Packages/InstanceFeatures/Package.swift

@@ -0,0 +1,31 @@
+// swift-tools-version: 5.7
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "InstanceFeatures",
+    platforms: [
+        .iOS(.v15),
+    ],
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "InstanceFeatures",
+            targets: ["InstanceFeatures"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        .package(path: "../Pachyderm"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "InstanceFeatures",
+            dependencies: ["Pachyderm"]),
+        .testTarget(
+            name: "InstanceFeaturesTests",
+            dependencies: ["InstanceFeatures"]),
+    ]
+)

Packages/InstanceFeatures/README.md

@@ -0,0 +1,3 @@
+# InstanceFeatures
+
+A description of this package.

Packages/InstanceFeatures/Sources/InstanceFeatures/InstanceFeatures.swift

@@ -7,17 +7,23 @@
 //
 
 import Foundation
+import Combine
 import Pachyderm
-import Sentry
 
-struct InstanceFeatures {
+public class InstanceFeatures: ObservableObject {
     private static let pleromaVersionRegex = try! NSRegularExpression(pattern: "\\(compatible; pleroma (.*)\\)", options: .caseInsensitive)
     private static let akkomaVersionRegex = try! NSRegularExpression(pattern: "\\(compatible; akkoma (.*)\\)", options: .caseInsensitive)
     
-    private var instanceType: InstanceType = .mastodon(.vanilla, nil)
+    private let _featuresUpdated = PassthroughSubject<Void, Never>()
-    private(set) var maxStatusChars = 500
+    public var featuresUpdated: some Publisher<Void, Never> { _featuresUpdated }
     
-    var localOnlyPosts: Bool {
+    @Published private var instanceType: InstanceType = .mastodon(.vanilla, nil)
+    @Published public private(set) var maxStatusChars = 500
+    @Published public private(set) var charsReservedPerURL = 23
+    @Published public private(set) var maxPollOptionChars: Int?
+    @Published public private(set) var maxPollOptionsCount: Int?
+    
+    public var localOnlyPosts: Bool {
         switch instanceType {
         case .mastodon(.hometown(_), _), .mastodon(.glitch, _):
             return true
@@ -26,19 +32,19 @@ struct InstanceFeatures {
         }
     }
     
-    var mastodonAttachmentRestrictions: Bool {
+    public var mastodonAttachmentRestrictions: Bool {
         instanceType.isMastodon
     }
     
-    var pollsAndAttachments: Bool {
+    public var pollsAndAttachments: Bool {
         instanceType.isPleroma
     }
     
-    var boostToOriginalAudience: Bool {
+    public var boostToOriginalAudience: Bool {
         instanceType.isPleroma || instanceType.isMastodon
     }
     
-    var profilePinnedStatuses: Bool {
+    public var profilePinnedStatuses: Bool {
         switch instanceType {
         case .pixelfed:
             return false
@@ -47,24 +53,24 @@ struct InstanceFeatures {
         }
     }
     
-    var trends: Bool {
+    public var trends: Bool {
         instanceType.isMastodon
     }
     
-    var profileSuggestions: Bool {
+    public var profileSuggestions: Bool {
         instanceType.isMastodon && hasMastodonVersion(3, 4, 0)
     }
     
-    var trendingStatusesAndLinks: Bool {
+    public var trendingStatusesAndLinks: Bool {
         instanceType.isMastodon && hasMastodonVersion(3, 5, 0)
     }
     
-    var reblogVisibility: Bool {
+    public var reblogVisibility: Bool {
         (instanceType.isMastodon && hasMastodonVersion(2, 8, 0))
             || (instanceType.isPleroma && hasPleromaVersion(2, 0, 0))
     }
     
-    var probablySupportsMarkdown: Bool {
+    public var probablySupportsMarkdown: Bool {
         switch instanceType {
         case .pleroma(_), .mastodon(.glitch, _), .mastodon(.hometown(_), _):
             return true
@@ -73,7 +79,7 @@ struct InstanceFeatures {
         }
     }
     
-    var needsLocalOnlyEmojiHack: Bool {
+    public var needsLocalOnlyEmojiHack: Bool {
         if case .mastodon(.glitch, _) = instanceType {
             return true
         } else {
@@ -81,7 +87,7 @@ struct InstanceFeatures {
         }
     }
     
-    var needsWideColorGamutHack: Bool {
+    public var needsWideColorGamutHack: Bool {
         if case .mastodon(_, .some(let version)) = instanceType {
             return version < Version(4, 0, 0)
         } else {
@@ -89,23 +95,26 @@ struct InstanceFeatures {
         }
     }
     
-    var canFollowHashtags: Bool {
+    public var canFollowHashtags: Bool {
         hasMastodonVersion(4, 0, 0)
     }
     
-    var filtersV2: Bool {
+    public var filtersV2: Bool {
         hasMastodonVersion(4, 0, 0)
     }
     
-    var notificationsAllowedTypes: Bool {
+    public var notificationsAllowedTypes: Bool {
         hasMastodonVersion(3, 5, 0)
     }
     
-    var pollVotersCount: Bool {
+    public var pollVotersCount: Bool {
         instanceType.isMastodon
     }
     
-    mutating func update(instance: Instance, nodeInfo: NodeInfo?) {
+    public init() {
+    }
+    
+    public func update(instance: Instance, nodeInfo: NodeInfo?) {
         let ver = instance.version.lowercased()
         if ver.contains("glitch") {
             instanceType = .mastodon(.glitch, Version(string: ver))
@@ -149,11 +158,16 @@ struct InstanceFeatures {
         }
         
         maxStatusChars = instance.maxStatusCharacters ?? 500
+        charsReservedPerURL = instance.configuration?.statuses.charactersReservedPerURL ?? 23 // default Mastodon link length
+        if let pollsConfig = instance.pollsConfiguration {
+            maxPollOptionChars = pollsConfig.maxCharactersPerOption
+            maxPollOptionsCount = pollsConfig.maxOptions
+        }
         
-        setInstanceBreadcrumb(instance: instance, nodeInfo: nodeInfo)
+        _featuresUpdated.send()
     }
     
-    func hasMastodonVersion(_ major: Int, _ minor: Int, _ patch: Int) -> Bool {
+    public func hasMastodonVersion(_ major: Int, _ minor: Int, _ patch: Int) -> Bool {
         if case .mastodon(_, .some(let version)) = instanceType {
             return version >= Version(major, minor, patch)
         } else {
@@ -259,19 +273,3 @@ extension InstanceFeatures {
         }
     }
 }
-
-private func setInstanceBreadcrumb(instance: Instance, nodeInfo: NodeInfo?) {
-    let crumb = Breadcrumb(level: .info, category: "MastodonController")
-    crumb.data = [
-        "instance": [
-            "version": instance.version
-        ],
-    ]
-    if let nodeInfo {
-        crumb.data!["nodeInfo"] = [
-            "software": nodeInfo.software.name,
-            "version": nodeInfo.software.version,
-        ]
-    }
-    SentrySDK.addBreadcrumb(crumb)
-}

Packages/InstanceFeatures/Tests/InstanceFeaturesTests/VersionTests.swift

@@ -1,13 +1,13 @@
 //
 //  VersionTests.swift
-//  TuskerTests
+//  InstanceFeaturesTests
 //
 //  Created by Shadowfacts on 4/2/22.
 //  Copyright © 2022 Shadowfacts. All rights reserved.
 //
 
 import XCTest
-@testable import Tusker
+@testable import InstanceFeatures
 
 class VersionTests: XCTestCase {
     

Packages/Pachyderm/Sources/Pachyderm/Client.swift

@@ -383,7 +383,7 @@ public class Client {
                                     media: [Attachment]? = nil,
                                     sensitive: Bool? = nil,
                                     spoilerText: String? = nil,
-                                    visibility: Status.Visibility? = nil,
+                                    visibility: Visibility? = nil,
                                     language: String? = nil,
                                     pollOptions: [String]? = nil,
                                     pollExpiresIn: Int? = nil,

Packages/Pachyderm/Sources/Pachyderm/Model/Hashtag.swift

@@ -64,6 +64,6 @@ extension Hashtag: Equatable, Hashable {
     }
     
     public func hash(into hasher: inout Hasher) {
-        hasher.combine(url)
+        hasher.combine(name)
     }
 }

Packages/Pachyderm/Sources/Pachyderm/Model/Protocols/AccountProtocol.swift

@@ -9,7 +9,6 @@
 import Foundation
 
 public protocol AccountProtocol {
-    associatedtype Account: AccountProtocol
     
     var id: String { get }
     var username: String { get }
@@ -27,7 +26,7 @@ public protocol AccountProtocol {
     var moved: Bool? { get }
     var bot: Bool? { get }
 
-    var movedTo: Account? { get }
+    var movedTo: Self? { get }
     var emojis: [Emoji] { get }
     var fields: [Pachyderm.Account.Field] { get }
 }

Packages/Pachyderm/Sources/Pachyderm/Model/Protocols/RelationshipProtocol.swift

@@ -0,0 +1,21 @@
+//
+//  RelationshipProtocol.swift
+//  Pachyderm
+//
+//  Created by Shadowfacts on 3/26/23.
+//
+
+import Foundation
+
+public protocol RelationshipProtocol {
+    var accountID: String { get }
+    var following: Bool { get }
+    var followedBy: Bool { get }
+    var blocking: Bool { get }
+    var muting: Bool { get }
+    var mutingNotifications: Bool { get }
+    var followRequested: Bool { get }
+    var domainBlocking: Bool { get }
+    var showingReblogs: Bool { get }
+    var endorsed: Bool { get }
+}

Packages/Pachyderm/Sources/Pachyderm/Model/Protocols/StatusProtocol.swift

@@ -25,7 +25,7 @@ public protocol StatusProtocol {
 //    var favourited: Bool { get }
     var sensitive: Bool { get }
     var spoilerText: String { get }
-    var visibility: Pachyderm.Status.Visibility { get }
+    var visibility: Visibility { get }
     var applicationName: String? { get }
     var pinned: Bool? { get }
     var bookmarked: Bool? { get }

Packages/Pachyderm/Sources/Pachyderm/Model/Relationship.swift

@@ -8,8 +8,8 @@
 
 import Foundation
 
-public struct Relationship: Decodable, Sendable {
+public struct Relationship: RelationshipProtocol, Decodable, Sendable {
-    public let id: String
+    public let accountID: String
     public let following: Bool
     public let followedBy: Bool
     public let blocking: Bool
@@ -18,7 +18,21 @@ public struct Relationship: Decodable, Sendable {
     public let followRequested: Bool
     public let domainBlocking: Bool
     public let showingReblogs: Bool
-    public let endorsed: Bool?
+    public let endorsed: Bool
+    
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        self.accountID = try container.decode(String.self, forKey: .id)
+        self.following = try container.decode(Bool.self, forKey: .following)
+        self.followedBy = try container.decode(Bool.self, forKey: .followedBy)
+        self.blocking = try container.decode(Bool.self, forKey: .blocking)
+        self.muting = try container.decode(Bool.self, forKey: .muting)
+        self.mutingNotifications = try container.decode(Bool.self, forKey: .mutingNotifications)
+        self.followRequested = try container.decode(Bool.self, forKey: .followRequested)
+        self.domainBlocking = try container.decode(Bool.self, forKey: .domainBlocking)
+        self.showingReblogs = try container.decode(Bool.self, forKey: .showingReblogs)
+        self.endorsed = try container.decodeIfPresent(Bool.self, forKey: .endorsed) ?? false
+    }
     
     private enum CodingKeys: String, CodingKey {
         case id

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

@@ -63,7 +63,7 @@ public final class Status: StatusProtocol, Decodable, Sendable {
         self.muted = try container.decodeIfPresent(Bool.self, forKey: .muted)
         self.sensitive = try container.decode(Bool.self, forKey: .sensitive)
         self.spoilerText = try container.decode(String.self, forKey: .spoilerText)
-        if let visibility = try? container.decode(Status.Visibility.self, forKey: .visibility) {
+        if let visibility = try? container.decode(Visibility.self, forKey: .visibility) {
             self.visibility = visibility
             self.localOnly = try container.decodeIfPresent(Bool.self, forKey: .localOnly)
         } else if let s = try? container.decode(String.self, forKey: .visibility),
@@ -187,13 +187,4 @@ public final class Status: StatusProtocol, Decodable, Sendable {
     }
 }
 
-extension Status {
-    public enum Visibility: String, Codable, CaseIterable, Sendable {
-        case `public`
-        case unlisted
-        case `private`
-        case direct
-    }
-}
-
 extension Status: Identifiable {}

Packages/Pachyderm/Sources/Pachyderm/Model/Visibility.swift

@@ -1,16 +1,33 @@
 //
-//  Visibility+String.swift
+//  Visibility.swift
-//  Tusker
+//  Pachyderm
 //
-//  Created by Shadowfacts on 8/29/18.
+//  Created by Shadowfacts on 3/7/23.
-//  Copyright © 2018 Shadowfacts. All rights reserved.
 //
 
-import Pachyderm
+import Foundation
-import UIKit
 
-extension Status.Visibility {
+public enum Visibility: String, Sendable, Codable, CaseIterable, Comparable {
+    case `public`
+    case unlisted
+    case `private`
+    case direct
     
+    public static func < (lhs: Visibility, rhs: Visibility) -> Bool {
+        switch (lhs, rhs) {
+        case (.direct, .public), (.private, .public), (.unlisted, .public):
+            return true
+        case (.direct, .unlisted), (.private, .unlisted):
+            return true
+        case (.direct, .private):
+            return true
+        default:
+            return false
+        }
+    }
+}
+
+public extension Visibility {
     var displayName: String {
         switch self {
         case .public:
@@ -62,20 +79,4 @@ extension Status.Visibility {
             return "envelope"
         }
     }
-    
-}
-
-extension Status.Visibility: Comparable {
-    public static func < (lhs: Pachyderm.Status.Visibility, rhs: Pachyderm.Status.Visibility) -> Bool {
-        switch (lhs, rhs) {
-        case (.direct, .public), (.private, .public), (.unlisted, .public):
-            return true
-        case (.direct, .unlisted), (.private, .unlisted):
-            return true
-        case (.direct, .private):
-            return true
-        default:
-            return false
-        }
-    }
 }

Packages/TuskerComponents/.gitignore

@@ -0,0 +1,9 @@
+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc

Packages/TuskerComponents/Package.swift

@@ -0,0 +1,31 @@
+// swift-tools-version: 5.7
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "TuskerComponents",
+    platforms: [
+        .iOS(.v15),
+    ],
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "TuskerComponents",
+            targets: ["TuskerComponents"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "TuskerComponents",
+            dependencies: []),
+        .testTarget(
+            name: "TuskerComponentsTests",
+            dependencies: ["TuskerComponents"]),
+    ]
+)

Packages/TuskerComponents/README.md

@@ -0,0 +1,3 @@
+# TuskerComponents
+
+A description of this package.

Packages/TuskerComponents/Sources/TuskerComponents/AbbreviatedTimeAgoFormatStyle.swift

@@ -0,0 +1,70 @@
+//
+//  AbbreviatedTimeAgoFormatStyle.swift
+//  
+//
+//  Created by Shadowfacts on 4/9/23.
+//
+
+import Foundation
+
+public struct AbbreviatedTimeAgoFormatStyle: FormatStyle {
+    public typealias FormatInput = Date
+    public typealias FormatOutput = String
+    
+    public func format(_ value: Date) -> String {
+        let (amount, component) = timeAgo(value: value)
+        
+        switch component {
+        case .year:
+            return "\(amount)y"
+        case .month:
+            return "\(amount)mo"
+        case .weekOfYear:
+            return "\(amount)w"
+        case .day:
+            return "\(amount)d"
+        case .hour:
+            return "\(amount)h"
+        case .minute:
+            return "\(amount)m"
+        case .second:
+            if amount >= 3 {
+                return "\(amount)s"
+            } else {
+                return "Now"
+            }
+        default:
+            fatalError("Unexpected component: \(component)")
+        }
+    }
+    
+    private static let unitFlags = Set<Calendar.Component>([.second, .minute, .hour, .day, .weekOfYear, .month, .year])
+    
+    private func timeAgo(value: Date) -> (Int, Calendar.Component) {
+        let calendar = NSCalendar.current
+        let components = calendar.dateComponents(Self.unitFlags, from: value, to: Date())
+        
+        if components.year! >= 1 {
+            return (components.year!, .year)
+        } else if components.month! >= 1 {
+            return (components.month!, .month)
+        } else if components.weekOfYear! >= 1 {
+            return (components.weekOfYear!, .weekOfYear)
+        } else if components.day! >= 1 {
+            return (components.day!, .day)
+        } else if components.hour! >= 1 {
+            return (components.hour!, .hour)
+        } else if components.minute! >= 1 {
+            return (components.minute!, .minute)
+        } else {
+            return (components.second!, .second)
+        }
+    }
+
+}
+
+public extension FormatStyle where Self == AbbreviatedTimeAgoFormatStyle {
+    static var abbreviatedTimeAgo: Self {
+        Self()
+    }
+}

Packages/TuskerComponents/Sources/TuskerComponents/AlertWithData.swift

@@ -1,6 +1,6 @@
 //
 //  AlertWithData.swift
-//  Tusker
+//  TuskerComponents
 //
 //  Created by Shadowfacts on 11/9/22.
 //  Copyright © 2022 Shadowfacts. All rights reserved.
@@ -39,7 +39,7 @@ struct AlertWithData<Data, A: View, M: View>: ViewModifier {
 }
 
 extension View {
-    func alertWithData<Data, A: View, M: View>(_ title: LocalizedStringKey, data: Binding<Data?>, @ViewBuilder actions: @escaping (Data) -> A, @ViewBuilder message: @escaping (Data) -> M) -> some View {
+    public func alertWithData<Data, A: View, M: View>(_ title: LocalizedStringKey, data: Binding<Data?>, @ViewBuilder actions: @escaping (Data) -> A, @ViewBuilder message: @escaping (Data) -> M) -> some View {
         modifier(AlertWithData(title: title, data: data, actions: actions, message: message))
     }
 }

Packages/TuskerComponents/Sources/TuskerComponents/AvatarImageView.swift

@@ -0,0 +1,65 @@
+//
+//  AvatarImageView.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/4/23.
+//
+
+import SwiftUI
+
+public struct AvatarImageView: View {
+    public typealias FetchAvatar = (URL) async -> UIImage?
+    
+    let url: URL?
+    let size: CGFloat
+    let style: Style
+    let fetchAvatar: FetchAvatar
+    @State private var image: UIImage?
+    
+    public init(url: URL?, size: CGFloat, style: Style, fetchAvatar: @escaping FetchAvatar) {
+        self.url = url
+        self.size = size
+        self.style = style
+        self.fetchAvatar = fetchAvatar
+    }
+    
+    public var body: some View {
+        imageView
+            .resizable()
+            .frame(width: size, height: size)
+            .cornerRadius(style.cornerRadiusFraction * size)
+            .task {
+                if let url {
+                    image = await fetchAvatar(url)
+                }
+            }
+            // tell swiftui that this view has changed (and therefore the task needs to re-run) when the url changes
+            .id(url)
+        
+    }
+    
+    private var imageView: Image {
+        if let image {
+            return Image(uiImage: image)
+        } else {
+            return placeholder
+        }
+    }
+    
+    private var placeholder: Image {
+        Image(systemName: style == .roundRect ? "person.crop.square" : "person.crop.circle")
+    }
+    
+    public enum Style: Equatable {
+        case roundRect, circle
+        
+        var cornerRadiusFraction: CGFloat {
+            switch self {
+            case .roundRect:
+                return 0.1
+            case .circle:
+                return 0.5
+            }
+        }
+    }
+}

Packages/TuskerComponents/Sources/TuskerComponents/GIFImageView.swift

@@ -1,6 +1,6 @@
 //
 //  GIFImageView.swift
-//  Tusker
+//  TuskerComponents
 //
 //  Created by Shadowfacts on 11/11/21.
 //  Copyright © 2021 Shadowfacts. All rights reserved.
@@ -8,36 +8,36 @@
 
 import UIKit
 
-class GIFImageView: UIImageView {
+open class GIFImageView: UIImageView {
     
-    fileprivate(set) var gifController: GIFController? = nil
+    public fileprivate(set) var gifController: GIFController? = nil
-    var isAnimatingGIF: Bool { gifController?.state == .playing }
+    public var isAnimatingGIF: Bool { gifController?.state == .playing }
     
     /// Detaches the current GIF controller from this view.
     /// If this view is the GIF controller's only one, it will stop itself.
-    func detachGIFController() {
+    public func detachGIFController() {
         gifController?.detach(from: self)
     }
     
 }
 
 /// A `GIFController` controls the animation of one or more `GIFImageView`s.
-class GIFController {
+public class GIFController {
     
     // GIFImageView strongly holds the controller so that when the last view detaches, the controller is freed
     private var imageViews = WeakArray<GIFImageView>()
     
-    private(set) var gifData: Data
+    public let gifData: Data
     private(set) var state: State = .stopped
-    private(set) var lastFrame: (image: UIImage, index: Int)? = nil
+    public private(set) var lastFrame: (image: UIImage, index: Int)? = nil
     
-    init(gifData: Data) {
+    public init(gifData: Data) {
         self.gifData = gifData
     }
     
     /// Attaches another view to this controller, letting it play back alongside the others.
     /// Immediately brings it into sync with the others, setting the last frame if there was one.
-    func attach(to view: GIFImageView) {
+    public func attach(to view: GIFImageView) {
         imageViews.append(view)
         view.gifController = self
         
@@ -49,13 +49,13 @@ class GIFController {
     /// Detaches the given view from this controller.
     /// If no views attached views remain, the last strong reference to this controller is nilled out
     /// and image animation will stop at the next CGAnimateImageDataWithBlock callback.
-    func detach(from view: GIFImageView) {
+    public func detach(from view: GIFImageView) {
         // todo: does === work the way i want here
         imageViews.removeAll(where: { $0 === view })
         view.gifController = nil
     }
     
-    func startAnimating() {
+    public func startAnimating() {
         guard state.shouldStop else { return }
         
         state = .playing
@@ -74,7 +74,7 @@ class GIFController {
         }
     }
     
-    func stopAnimating() {
+    public func stopAnimating() {
         guard state == .playing else { return }
         
         state = .stopping
@@ -89,3 +89,47 @@ class GIFController {
     }
     
 }
+
+private class WeakHolder<T: AnyObject> {
+    weak var object: T?
+    
+    init(_ object: T?) {
+        self.object = object
+    }
+}
+
+private struct WeakArray<Element: AnyObject>: MutableCollection, RangeReplaceableCollection {
+    private var array: [WeakHolder<Element>]
+    
+    var startIndex: Int { array.startIndex }
+    var endIndex: Int { array.endIndex }
+    
+    init() {
+        array = []
+    }
+    
+    init(_ elements: [Element]) {
+        array = elements.map { WeakHolder($0) }
+    }
+    
+    init(_ elements: [Element?]) {
+        array = elements.map { WeakHolder($0) }
+    }
+    
+    subscript(position: Int) -> Element? {
+        get {
+            array[position].object
+        }
+        set(newValue) {
+            array[position] = WeakHolder(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 { WeakHolder($0) })
+    }
+}

Packages/TuskerComponents/Sources/TuskerComponents/MenuPicker.swift

@@ -1,6 +1,6 @@
 //
 //  MenuPicker.swift
-//  Tusker
+//  TuskerComponents
 //
 //  Created by Shadowfacts on 11/7/22.
 //  Copyright © 2022 Shadowfacts. All rights reserved.
@@ -8,25 +8,31 @@
 
 import SwiftUI
 
-struct MenuPicker<Value: Hashable>: UIViewRepresentable {
+public struct MenuPicker<Value: Hashable>: UIViewRepresentable {
-    typealias UIViewType = UIButton
+    public typealias UIViewType = UIButton
     
     @Binding var selection: Value
     let options: [Option]
-    var buttonStyle: ButtonStyle = .labelAndIcon
+    var buttonStyle: ButtonStyle
     
     private var selectedOption: Option {
         options.first(where: { $0.value == selection })!
     }
     
-    func makeUIView(context: Context) -> UIButton {
+    public init(selection: Binding<Value>, options: [Option], buttonStyle: ButtonStyle = .labelAndIcon) {
+        self._selection = selection
+        self.options = options
+        self.buttonStyle = buttonStyle
+    }
+    
+    public func makeUIView(context: Context) -> UIButton {
         let button = UIButton()
         button.showsMenuAsPrimaryAction = true
         button.setContentHuggingPriority(.required, for: .horizontal)
         return button
     }
     
-    func updateUIView(_ button: UIButton, context: Context) {
+    public func updateUIView(_ button: UIButton, context: Context) {
         var config = UIButton.Configuration.borderless()
         if #available(iOS 16.0, *) {
             config.indicator = .popup
@@ -49,14 +55,14 @@ struct MenuPicker<Value: Hashable>: UIViewRepresentable {
         button.isPointerInteractionEnabled = buttonStyle == .iconOnly
     }
     
-    struct Option {
+    public struct Option {
-        let value: Value
+        public let value: Value
-        let title: String
+        public let title: String
-        let subtitle: String?
+        public let subtitle: String?
-        let image: UIImage?
+        public let image: UIImage?
-        let accessibilityLabel: String?
+        public let accessibilityLabel: String?
         
-        init(value: Value, title: String, subtitle: String? = nil, image: UIImage? = nil, accessibilityLabel: String? = nil) {
+        public init(value: Value, title: String, subtitle: String? = nil, image: UIImage? = nil, accessibilityLabel: String? = nil) {
             self.value = value
             self.title = title
             self.subtitle = subtitle
@@ -65,7 +71,7 @@ struct MenuPicker<Value: Hashable>: UIViewRepresentable {
         }
     }
     
-    enum ButtonStyle {
+    public enum ButtonStyle {
         case labelAndIcon, labelOnly, iconOnly
         
         var hasLabel: Bool {

Tusker.xcodeproj/project.pbxproj

@@ -40,7 +40,6 @@
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 		D6114E1127F899B30080E273 /* TrendingLinksViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6114E1027F899B30080E273 /* TrendingLinksViewController.swift */; };
 		D6114E1327F89B440080E273 /* TrendingLinkTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6114E1227F89B440080E273 /* TrendingLinkTableViewCell.swift */; };
-		D6114E1727F8BB210080E273 /* VersionTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6114E1627F8BB210080E273 /* VersionTests.swift */; };
 		D61A45E628DC0F2F002BE511 /* ConfirmLoadMoreCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D61A45E528DC0F2F002BE511 /* ConfirmLoadMoreCollectionViewCell.swift */; };
 		D61A45E828DF477D002BE511 /* LoadingCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D61A45E728DF477D002BE511 /* LoadingCollectionViewCell.swift */; };
 		D61A45EA28DF51EE002BE511 /* TimelineLikeCollectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D61A45E928DF51EE002BE511 /* TimelineLikeCollectionViewController.swift */; };
@@ -82,13 +81,7 @@
 		D620483623D38075008A63EF /* ContentTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D620483523D38075008A63EF /* ContentTextView.swift */; };
 		D620483823D38190008A63EF /* StatusContentTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D620483723D38190008A63EF /* StatusContentTextView.swift */; };
 		D621733328F1D5ED004C7DB1 /* ReblogService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D621733228F1D5ED004C7DB1 /* ReblogService.swift */; };
-		D622757424EDF1CD00B82A16 /* ComposeAttachmentsList.swift in Sources */ = {isa = PBXBuildFile; fileRef = D622757324EDF1CD00B82A16 /* ComposeAttachmentsList.swift */; };
-		D622757824EE133700B82A16 /* ComposeAssetPicker.swift in Sources */ = {isa = PBXBuildFile; fileRef = D622757724EE133700B82A16 /* ComposeAssetPicker.swift */; };
-		D622757A24EE21D900B82A16 /* ComposeAttachmentRow.swift in Sources */ = {isa = PBXBuildFile; fileRef = D622757924EE21D900B82A16 /* ComposeAttachmentRow.swift */; };
-		D62275A024F1677200B82A16 /* ComposeHostingController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D622759F24F1677200B82A16 /* ComposeHostingController.swift */; };
-		D62275A624F1C81800B82A16 /* ComposeReplyView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62275A524F1C81800B82A16 /* ComposeReplyView.swift */; };
 		D62275A824F1CA2800B82A16 /* ComposeReplyContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62275A724F1CA2800B82A16 /* ComposeReplyContentView.swift */; };
-		D62275AA24F1E01C00B82A16 /* ComposeTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62275A924F1E01C00B82A16 /* ComposeTextView.swift */; };
 		D623A53D2635F5590095BD04 /* StatusPollView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D623A53C2635F5590095BD04 /* StatusPollView.swift */; };
 		D623A5412635FB3C0095BD04 /* PollOptionView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D623A5402635FB3C0095BD04 /* PollOptionView.swift */; };
 		D623A543263634100095BD04 /* PollOptionCheckboxView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D623A542263634100095BD04 /* PollOptionCheckboxView.swift */; };
@@ -105,7 +98,6 @@
 		D627944723A6AC9300D38C68 /* BasicTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D627944623A6AC9300D38C68 /* BasicTableViewCell.xib */; };
 		D627944D23A9A03D00D38C68 /* ListTimelineViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627944C23A9A03D00D38C68 /* ListTimelineViewController.swift */; };
 		D627944F23A9C99800D38C68 /* EditListAccountsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627944E23A9C99800D38C68 /* EditListAccountsViewController.swift */; };
-		D627FF76217E923E00CC0648 /* DraftsManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627FF75217E923E00CC0648 /* DraftsManager.swift */; };
 		D6285B5321EA708700FE4B39 /* StatusFormat.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6285B5221EA708700FE4B39 /* StatusFormat.swift */; };
 		D6289E84217B795D0003D1D7 /* LargeImageViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = D6289E83217B795D0003D1D7 /* LargeImageViewController.xib */; };
 		D62D2422217AA7E1005076CC /* UserActivityManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62D2421217AA7E1005076CC /* UserActivityManager.swift */; };
@@ -113,11 +105,11 @@
 		D62D2426217ABF63005076CC /* UserActivityType.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62D2425217ABF63005076CC /* UserActivityType.swift */; };
 		D62E9985279CA23900C26176 /* URLSession+Development.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62E9984279CA23900C26176 /* URLSession+Development.swift */; };
 		D62E9987279D094F00C26176 /* StatusMetaIndicatorsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62E9986279D094F00C26176 /* StatusMetaIndicatorsView.swift */; };
-		D62E9989279DB2D100C26176 /* InstanceFeatures.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62E9988279DB2D100C26176 /* InstanceFeatures.swift */; };
 		D62FF04823D7CDD700909D6E /* AttributedStringHelperTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62FF04723D7CDD700909D6E /* AttributedStringHelperTests.swift */; };
 		D6311C5025B3765B00B27539 /* ImageDataCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6311C4F25B3765B00B27539 /* ImageDataCache.swift */; };
 		D6333B372137838300CE884A /* AttributedString+Helpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6333B362137838300CE884A /* AttributedString+Helpers.swift */; };
 		D6333B792139AEFD00CE884A /* Date+TimeAgo.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6333B782139AEFD00CE884A /* Date+TimeAgo.swift */; };
+		D635237129B78A7D009ED5E7 /* TuskerComponents in Frameworks */ = {isa = PBXBuildFile; productRef = D635237029B78A7D009ED5E7 /* TuskerComponents */; };
 		D63661C02381C144004B9E16 /* PreferencesNavigationController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D63661BF2381C144004B9E16 /* PreferencesNavigationController.swift */; };
 		D6370B9C24421FF30092A7FF /* Tusker.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = D6370B9A24421FF30092A7FF /* Tusker.xcdatamodeld */; };
 		D63CC702290EC0B8000E19DE /* Sentry in Frameworks */ = {isa = PBXBuildFile; productRef = D63CC701290EC0B8000E19DE /* Sentry */; };
@@ -169,11 +161,9 @@
 		D6620ACE2511A0ED00312CA0 /* StatusStateResolver.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6620ACD2511A0ED00312CA0 /* StatusStateResolver.swift */; };
 		D662AEEF263A3B880082A153 /* PollFinishedTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D662AEED263A3B880082A153 /* PollFinishedTableViewCell.swift */; };
 		D662AEF0263A3B880082A153 /* PollFinishedTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D662AEEE263A3B880082A153 /* PollFinishedTableViewCell.xib */; };
-		D662AEF2263A4BE10082A153 /* ComposePollView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D662AEF1263A4BE10082A153 /* ComposePollView.swift */; };
 		D663626221360B1900C9CBA2 /* Preferences.swift in Sources */ = {isa = PBXBuildFile; fileRef = D663626121360B1900C9CBA2 /* Preferences.swift */; };
 		D663626421360D2300C9CBA2 /* AvatarStyle.swift in Sources */ = {isa = PBXBuildFile; fileRef = D663626321360D2300C9CBA2 /* AvatarStyle.swift */; };
 		D663626C21361C6700C9CBA2 /* Account+Preferences.swift in Sources */ = {isa = PBXBuildFile; fileRef = D663626B21361C6700C9CBA2 /* Account+Preferences.swift */; };
-		D66362752137068A00C9CBA2 /* Visibility+Helpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66362742137068A00C9CBA2 /* Visibility+Helpers.swift */; };
 		D6674AEA23341F7600E8DF94 /* AppShortcutItems.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6674AE923341F7600E8DF94 /* AppShortcutItems.swift */; };
 		D6676CA527A8D0020052936B /* WebURLFoundationExtras in Frameworks */ = {isa = PBXBuildFile; productRef = D6676CA427A8D0020052936B /* WebURLFoundationExtras */; };
 		D667E5E12134937B0057A976 /* TimelineStatusTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D667E5E02134937B0057A976 /* TimelineStatusTableViewCell.xib */; };
@@ -181,12 +171,7 @@
 		D667E5F82135C3040057A976 /* Mastodon+Equatable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D667E5F72135C3040057A976 /* Mastodon+Equatable.swift */; };
 		D66A77BB233838DC0058F1EC /* UIFont+Traits.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66A77BA233838DC0058F1EC /* UIFont+Traits.swift */; };
 		D66C900B28DAB7FD00217BF2 /* TimelineViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66C900A28DAB7FD00217BF2 /* TimelineViewController.swift */; };
-		D673ACCE2919E74200D6F8B0 /* MenuPicker.swift in Sources */ = {isa = PBXBuildFile; fileRef = D673ACCD2919E74200D6F8B0 /* MenuPicker.swift */; };
 		D674A50927F9128D00BA03AC /* Pachyderm in Frameworks */ = {isa = PBXBuildFile; productRef = D674A50827F9128D00BA03AC /* Pachyderm */; };
-		D677284824ECBCB100C732D3 /* ComposeView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D677284724ECBCB100C732D3 /* ComposeView.swift */; };
-		D677284A24ECBDF400C732D3 /* ComposeCurrentAccount.swift in Sources */ = {isa = PBXBuildFile; fileRef = D677284924ECBDF400C732D3 /* ComposeCurrentAccount.swift */; };
-		D677284C24ECBE9100C732D3 /* ComposeAvatarImageView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D677284B24ECBE9100C732D3 /* ComposeAvatarImageView.swift */; };
-		D677284E24ECC01D00C732D3 /* Draft.swift in Sources */ = {isa = PBXBuildFile; fileRef = D677284D24ECC01D00C732D3 /* Draft.swift */; };
 		D67895BC24671E6D00D4CD9E /* PKDrawing+Render.swift in Sources */ = {isa = PBXBuildFile; fileRef = D67895BB24671E6D00D4CD9E /* PKDrawing+Render.swift */; };
 		D67895C0246870DE00D4CD9E /* LocalAccountAvatarView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D67895BF246870DE00D4CD9E /* LocalAccountAvatarView.swift */; };
 		D67B506D250B291200FAECFB /* BlurHashDecode.swift in Sources */ = {isa = PBXBuildFile; fileRef = D67B506C250B291200FAECFB /* BlurHashDecode.swift */; };
@@ -251,7 +236,6 @@
 		D6A4DCCC2553667800D9DE31 /* FastAccountSwitcherViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A4DCCA2553667800D9DE31 /* FastAccountSwitcherViewController.swift */; };
 		D6A4DCCD2553667800D9DE31 /* FastAccountSwitcherViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = D6A4DCCB2553667800D9DE31 /* FastAccountSwitcherViewController.xib */; };
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-		D6A57408255C53EC00674551 /* ComposeTextViewCaretScrolling.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A57407255C53EC00674551 /* ComposeTextViewCaretScrolling.swift */; };
 		D6A5BB2B23BAEF61003BF21D /* APIMocks.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A5BB2A23BAEF61003BF21D /* APIMocks.swift */; };
 		D6A5BB2D23BBA9C4003BF21D /* MyProfileTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A5BB2C23BBA9C4003BF21D /* MyProfileTests.swift */; };
 		D6A5BB2F23BBAC97003BF21D /* DelegatingResponse.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A5BB2E23BBAC97003BF21D /* DelegatingResponse.swift */; };
@@ -291,12 +275,11 @@
 		D6BC9DB5232D4CE3002CA326 /* NotificationsMode.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DB4232D4CE3002CA326 /* NotificationsMode.swift */; };
 		D6BC9DD7232D7811002CA326 /* TimelinesPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DD6232D7811002CA326 /* TimelinesPageViewController.swift */; };
 		D6BC9DDA232D8BE5002CA326 /* SearchResultsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DD9232D8BE5002CA326 /* SearchResultsViewController.swift */; };
+		D6BD395929B64426005FFD2B /* ComposeUI in Frameworks */ = {isa = PBXBuildFile; productRef = D6BD395829B64426005FFD2B /* ComposeUI */; };
+		D6BD395B29B64441005FFD2B /* ComposeHostingController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BD395A29B64441005FFD2B /* ComposeHostingController.swift */; };
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-		D6BEA249291C6118002F4D01 /* DraftsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BEA248291C6118002F4D01 /* DraftsView.swift */; };
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@@ -311,7 +294,6 @@
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-		D6C99FCB24FADC91005C74D3 /* MainComposeTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C99FCA24FADC91005C74D3 /* MainComposeTextView.swift */; };
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@@ -321,7 +303,6 @@
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 		D6D12B5A292D684600D528E1 /* AccountListViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D12B59292D684600D528E1 /* AccountListViewController.swift */; };
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@@ -333,8 +314,6 @@
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-		D6DD2A3F273C1F4900386A6C /* ComposeAttachmentImage.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD2A3E273C1F4900386A6C /* ComposeAttachmentImage.swift */; };
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@@ -778,7 +734,6 @@
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 		D6E426AC25334DA500C02E1C /* FuzzyMatcherTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FuzzyMatcherTests.swift; sourceTree = "<group>"; };
 		D6E426B225337C7000C02E1C /* CustomEmojiImageView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CustomEmojiImageView.swift; sourceTree = "<group>"; };
@@ -788,7 +743,6 @@
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 		D6E77D0E286F773900D8B732 /* SplitNavigationController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SplitNavigationController.swift; sourceTree = "<group>"; };
-		D6E9CDA7281A427800BBC98E /* PostService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PostService.swift; sourceTree = "<group>"; };
 		D6EAE0DA2550CC8A002DB0AC /* FocusableTextField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FocusableTextField.swift; sourceTree = "<group>"; };
 		D6EBF01423C55C0900AE061B /* UIApplication+Scenes.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIApplication+Scenes.swift"; sourceTree = "<group>"; };
 		D6EBF01623C55E0D00AE061B /* UISceneSession+MastodonController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UISceneSession+MastodonController.swift"; sourceTree = "<group>"; };
@@ -801,8 +755,8 @@
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 		D6F953EF21251A2900CF0F2B /* MastodonController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MastodonController.swift; sourceTree = "<group>"; };
+		D6FA94DF29B52891006AAC51 /* InstanceFeatures */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = InstanceFeatures; path = Packages/InstanceFeatures; sourceTree = "<group>"; };
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 /* End PBXFileReference section */
 
@@ -811,6 +765,9 @@
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 			buildActionMask = 2147483647;
 			files = (
+				D6BD395929B64426005FFD2B /* ComposeUI in Frameworks */,
+				D6FA94E129B52898006AAC51 /* InstanceFeatures in Frameworks */,
+				D635237129B78A7D009ED5E7 /* TuskerComponents in Frameworks */,
 				D674A50927F9128D00BA03AC /* Pachyderm in Frameworks */,
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-				D677284924ECBDF400C732D3 /* ComposeCurrentAccount.swift */,
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-				D6DD2A3E273C1F4900386A6C /* ComposeAttachmentImage.swift */,
-				D622757724EE133700B82A16 /* ComposeAssetPicker.swift */,
-				D62275A524F1C81800B82A16 /* ComposeReplyView.swift */,
 				D62275A724F1CA2800B82A16 /* ComposeReplyContentView.swift */,
-				D6E4267625327FB400C02E1C /* ComposeAutocompleteView.swift */,
+				D6BD395A29B64441005FFD2B /* ComposeHostingController.swift */,
-				D6C143D9253510F4007DC240 /* ComposeEmojiTextField.swift */,
-				D6F6A5582920676800F496A8 /* ComposeToolbar.swift */,
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@@ -1308,7 +1246,6 @@
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 				D6895DC328D65342006341DA /* ConfirmReblogStatusPreviewView.swift */,
@@ -1460,12 +1396,10 @@
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 				D620483323D3801D008A63EF /* LinkTextView.swift */,
 				D61A45E728DF477D002BE511 /* LoadingCollectionViewCell.swift */,
 				D6262C9928D01C4B00390C1F /* LoadingTableViewCell.swift */,
-				D673ACCD2919E74200D6F8B0 /* MenuPicker.swift */,
 				D68E6F58253C9969001A1B4C /* MultiSourceEmojiLabel.swift */,
 				D627943A23A55BA600D38C68 /* NavigableTableViewCell.swift */,
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 				D68A76F22953915C001DA1B3 /* TTTKit */,
 				D6B0026C29B5245400C70BE2 /* UserAccounts */,
+				D6FA94DF29B52891006AAC51 /* InstanceFeatures */,
+				D6BD395C29B789D5005FFD2B /* TuskerComponents */,
+				D6BD395729B6441F005FFD2B /* ComposeUI */,
 				D6D4DDCE212518A000E1C4BB /* Tusker */,
 				D6D4DDE3212518A200E1C4BB /* TuskerTests */,
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@@ -1694,9 +1630,7 @@
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 				D659F35D2953A212002D944A /* TTTKit */,
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+				D635237029B78A7D009ED5E7 /* TuskerComponents */,
+				D6BD395829B64426005FFD2B /* ComposeUI */,
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 			productReference = D6D4DDCC212518A000E1C4BB /* Tusker.app */;
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 				D626493C23C1000300612E6E /* AlbumTableViewCell.swift in Sources */,
-				D62275A624F1C81800B82A16 /* ComposeReplyView.swift in Sources */,
 				D60E2F292442372B005F8713 /* AccountMO.swift in Sources */,
 				D6412B0324AFF6A600F5412E /* TabBarScrollableViewController.swift in Sources */,
 				D6093FB725BE0CF3004811E6 /* TrendHistoryView.swift in Sources */,
 				D6EBF01723C55E0D00AE061B /* UISceneSession+MastodonController.swift in Sources */,
+				D6BD395B29B64441005FFD2B /* ComposeHostingController.swift in Sources */,
 				D61F759229365C6C00C0B37F /* CollectionViewController.swift in Sources */,
 				D6DD996B2998611A0015C962 /* SuggestedProfilesViewController.swift in Sources */,
 				D6DD8FFD298495A8002AD3FD /* LogoutService.swift in Sources */,
@@ -1999,7 +1936,6 @@
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 				D6BC9DB3232D4C07002CA326 /* WellnessPrefsView.swift in Sources */,
 				D64BC18F23C18B9D000D0238 /* FollowRequestNotificationTableViewCell.swift in Sources */,
-				D62E9989279DB2D100C26176 /* InstanceFeatures.swift in Sources */,
 				D6ADB6F028ED1F25009924AB /* CachedImageView.swift in Sources */,
 				D693DE5923FE24310061E07D /* InteractivePushTransition.swift in Sources */,
 				D69693FA25859A8000F4E116 /* ComposeSceneDelegate.swift in Sources */,
@@ -2009,13 +1945,11 @@
 				D61F759B29384F9C00C0B37F /* FilterMO.swift in Sources */,
 				D68FEC4F232C5BC300C84F23 /* SegmentedPageViewController.swift in Sources */,
 				D64AAE9126C80DC600FC57FB /* ToastView.swift in Sources */,
-				D62275AA24F1E01C00B82A16 /* ComposeTextView.swift in Sources */,
 				0450531F22B0097E00100BA2 /* Timline+UI.swift in Sources */,
 				D6C7D27D22B6EBF800071952 /* AttachmentsContainerView.swift in Sources */,
 				D61F75942936F0DA00C0B37F /* FollowedHashtag.swift in Sources */,
 				D63CC7122911F57C000E19DE /* StatusBarTappableViewController.swift in Sources */,
 				D620483823D38190008A63EF /* StatusContentTextView.swift in Sources */,
-				D6D3FDE224F46A8D00FF50A5 /* ComposeUIState.swift in Sources */,
 				D6B22A0F2560D52D004D82EF /* TabbedPageViewController.swift in Sources */,
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 				D6F953F021251A2900CF0F2B /* MastodonController.swift in Sources */,
@@ -2035,7 +1969,6 @@
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 				D6F2E965249E8BFD005846BB /* IssueReporterViewController.swift in Sources */,
-				D6A57408255C53EC00674551 /* ComposeTextViewCaretScrolling.swift in Sources */,
 				D6CA6A94249FADE700AD45C1 /* GalleryPlayerViewController.swift in Sources */,
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 				D627944D23A9A03D00D38C68 /* ListTimelineViewController.swift in Sources */,
@@ -2055,8 +1988,6 @@
 				D60E2F272442372B005F8713 /* StatusMO.swift in Sources */,
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 				D60E2F2C24423EAD005F8713 /* LazilyDecoding.swift in Sources */,
-				D662AEF2263A4BE10082A153 /* ComposePollView.swift in Sources */,
-				D677284A24ECBDF400C732D3 /* ComposeCurrentAccount.swift in Sources */,
 				D62D2424217ABF3F005076CC /* NSUserActivity+Extensions.swift in Sources */,
 				D6E77D0F286F773900D8B732 /* SplitNavigationController.swift in Sources */,
 				D6B30E09254BAF63009CAEE5 /* ImageGrayscalifier.swift in Sources */,
@@ -2075,17 +2006,13 @@
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-				D673ACCE2919E74200D6F8B0 /* MenuPicker.swift in Sources */,
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-				D677284C24ECBE9100C732D3 /* ComposeAvatarImageView.swift in Sources */,
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@@ -2112,7 +2039,6 @@
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 				D63661C02381C144004B9E16 /* PreferencesNavigationController.swift in Sources */,
-				D6E9CDA8281A427800BBC98E /* PostService.swift in Sources */,
 				D65B4B5E2973040D00DABDFB /* ReportAddStatusView.swift in Sources */,
 				D6B053A223BD2C0600A066FA /* AssetPickerViewController.swift in Sources */,
 				D6EE63FB2551F7F60065485C /* StatusCollapseButton.swift in Sources */,
@@ -2131,7 +2057,6 @@
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 				D62E9985279CA23900C26176 /* URLSession+Development.swift in Sources */,
-				D622757424EDF1CD00B82A16 /* ComposeAttachmentsList.swift in Sources */,
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 				D64AAE9526C88C5000FC57FB /* ToastableViewController.swift in Sources */,
 				D6895DE928D962C2006341DA /* TimelineLikeController.swift in Sources */,
@@ -2143,10 +2068,7 @@
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 				D69693F42585941A00F4E116 /* UIWindowSceneDelegate+Close.swift in Sources */,
 				D659F36229541065002D944A /* TTTView.swift in Sources */,
-				D6C143DA253510F4007DC240 /* ComposeEmojiTextField.swift in Sources */,
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 				D65B4B6229771A3F00DABDFB /* FetchStatusService.swift in Sources */,
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@@ -2154,13 +2076,11 @@
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 				D61ABEFE28F1C92600B29151 /* FavoriteService.swift in Sources */,
 				D61F75AB293AF11400C0B37F /* FilterKeywordMO.swift in Sources */,
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@@ -2183,7 +2103,6 @@
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 				D61F75B5293BD97400C0B37F /* DeleteFilterService.swift in Sources */,
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 				D6DFC6A0242C4CCC00ACC392 /* Weak.swift in Sources */,
 				D6C693FC2162FE6F007D6A6D /* LoadingViewController.swift in Sources */,
 				D61ABEF828EFC3F900B29151 /* ProfileStatusesViewController.swift in Sources */,
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 				D667E5F12134D5050057A976 /* UIViewController+Delegates.swift in Sources */,
 				D6BC8748219738E1006163F1 /* EnhancedTableViewController.swift in Sources */,
 				D6E426B325337C7000C02E1C /* CustomEmojiImageView.swift in Sources */,
@@ -2299,7 +2211,6 @@
 				D62FF04823D7CDD700909D6E /* AttributedStringHelperTests.swift in Sources */,
 				D6E426AD25334DA500C02E1C /* FuzzyMatcherTests.swift in Sources */,
 				D600891D298482F0005B4D00 /* PinnedTimelineTests.swift in Sources */,
-				D6114E1727F8BB210080E273 /* VersionTests.swift in Sources */,
 				D6CA8CDA2962231F0050C433 /* ArrayUniqueTests.swift in Sources */,
 				D6D4DDE5212518A200E1C4BB /* TuskerTests.swift in Sources */,
 			);
@@ -2944,6 +2855,10 @@
 			isa = XCSwiftPackageProductDependency;
 			productName = Pachyderm;
 		};
+		D635237029B78A7D009ED5E7 /* TuskerComponents */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = TuskerComponents;
+		};
 		D63CC701290EC0B8000E19DE /* Sentry */ = {
 			isa = XCSwiftPackageProductDependency;
 			package = D63CC700290EC0B8000E19DE /* XCRemoteSwiftPackageReference "sentry-cocoa" */;
@@ -2971,10 +2886,18 @@
 			isa = XCSwiftPackageProductDependency;
 			productName = UserAccounts;
 		};
+		D6BD395829B64426005FFD2B /* ComposeUI */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = ComposeUI;
+		};
 		D6BEA244291A0EDE002F4D01 /* Duckable */ = {
 			isa = XCSwiftPackageProductDependency;
 			productName = Duckable;
 		};
+		D6FA94E029B52898006AAC51 /* InstanceFeatures */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = InstanceFeatures;
+		};
 /* End XCSwiftPackageProductDependency section */
 
 /* Begin XCVersionGroup section */

Tusker/API/MastodonController.swift

@@ -10,6 +10,9 @@ import Foundation
 import Pachyderm
 import Combine
 import UserAccounts
+import InstanceFeatures
+import Sentry
+import ComposeUI
 
 class MastodonController: ObservableObject {
 
@@ -48,11 +51,11 @@ class MastodonController: ObservableObject {
     var accountPreferences: AccountPreferences!
     
     let client: Client!
+    let instanceFeatures = InstanceFeatures()
     
     @Published private(set) var account: Account!
     @Published private(set) var instance: Instance!
     @Published private(set) var nodeInfo: NodeInfo!
-    @Published private(set) var instanceFeatures = InstanceFeatures()
     @Published private(set) var lists: [List] = []
     @Published private(set) var customEmojis: [Emoji]?
     @Published private(set) var followedHashtags: [FollowedHashtag] = []
@@ -84,11 +87,12 @@ class MastodonController: ObservableObject {
             }
             .sink { [unowned self] (instance, nodeInfo) in
                 self.instanceFeatures.update(instance: instance, nodeInfo: nodeInfo)
+                setInstanceBreadcrumb(instance: instance, nodeInfo: nodeInfo)
             }
             .store(in: &cancellables)
         
-        $instanceFeatures
+        instanceFeatures.featuresUpdated
-            .filter { [unowned self] in $0.canFollowHashtags && self.followedHashtags.isEmpty }
+            .filter { [unowned self] _ in self.instanceFeatures.canFollowHashtags && self.followedHashtags.isEmpty }
             .sink { [unowned self] _ in
                 Task {
                     await self.loadFollowedHashtags()
@@ -453,4 +457,69 @@ class MastodonController: ObservableObject {
         filters = (try? persistentContainer.viewContext.fetch(FilterMO.fetchRequest())) ?? []
     }
     
+    func createDraft(inReplyToID: String? = nil, mentioningAcct: String? = nil, text: String? = nil) -> Draft {
+        var acctsToMention = [String]()
+        
+        var visibility = inReplyToID != nil ? Preferences.shared.defaultReplyVisibility.resolved : Preferences.shared.defaultPostVisibility
+        var localOnly = false
+        var contentWarning = ""
+        
+        if let inReplyToID = inReplyToID,
+           let inReplyTo = persistentContainer.status(for: inReplyToID) {
+            acctsToMention.append(inReplyTo.account.acct)
+            acctsToMention.append(contentsOf: inReplyTo.mentions.map(\.acct))
+            visibility = min(visibility, inReplyTo.visibility)
+            localOnly = instanceFeatures.localOnlyPosts && inReplyTo.localOnly
+            
+            if !inReplyTo.spoilerText.isEmpty {
+                switch Preferences.shared.contentWarningCopyMode {
+                case .doNotCopy:
+                    break
+                case .asIs:
+                    contentWarning = inReplyTo.spoilerText
+                case .prependRe:
+                    if inReplyTo.spoilerText.lowercased().starts(with: "re:") {
+                        contentWarning = inReplyTo.spoilerText
+                    } else {
+                        contentWarning = "re: \(inReplyTo.spoilerText)"
+                    }
+                }
+            }
+        }
+        if let mentioningAcct = mentioningAcct {
+            acctsToMention.append(mentioningAcct)
+        }
+        if let ownAccount = self.account {
+            acctsToMention.removeAll(where: { $0 == ownAccount.acct })
+        }
+        acctsToMention = acctsToMention.uniques()
+        
+        let draft = Draft(
+            accountID: accountInfo!.id,
+            text: text ?? acctsToMention.map { "@\($0) " }.joined(),
+            contentWarning: contentWarning,
+            inReplyToID: inReplyToID,
+            visibility: visibility,
+            localOnly: localOnly
+        )
+        DraftsManager.shared.add(draft)
+        return draft
+    }
+    
+}
+
+private func setInstanceBreadcrumb(instance: Instance, nodeInfo: NodeInfo?) {
+    let crumb = Breadcrumb(level: .info, category: "MastodonController")
+    crumb.data = [
+        "instance": [
+            "version": instance.version
+        ],
+    ]
+    if let nodeInfo {
+        crumb.data!["nodeInfo"] = [
+            "software": nodeInfo.software.name,
+            "version": nodeInfo.software.version,
+        ]
+    }
+    SentrySDK.addBreadcrumb(crumb)
 }

Tusker/API/ReblogService.swift

@@ -17,7 +17,7 @@ class ReblogService {
     private let status: StatusMO
     
     var hapticFeedback = true
-    var visibility: Status.Visibility? = nil
+    var visibility: Visibility? = nil
     var requireConfirmation = Preferences.shared.confirmBeforeReblog
     
     init(status: StatusMO, mastodonController: MastodonController, presenter: any TuskerNavigationDelegate) {
@@ -39,8 +39,8 @@ class ReblogService {
         let image: UIImage?
         let reblogVisibilityActions: [CustomAlertController.MenuAction]?
         if mastodonController.instanceFeatures.reblogVisibility {
-            image = UIImage(systemName: Status.Visibility.public.unfilledImageName)
+            image = UIImage(systemName: Visibility.public.unfilledImageName)
-            reblogVisibilityActions = [Status.Visibility.unlisted, .private].map { visibility in
+            reblogVisibilityActions = [Visibility.unlisted, .private].map { visibility in
                 CustomAlertController.MenuAction(title: "Reblog as \(visibility.displayName)", subtitle: visibility.subtitle, image: UIImage(systemName: visibility.unfilledImageName)) {
                     // deliberately retain a strong reference to self
                     Task {

Tusker/AppDelegate.swift

@@ -11,6 +11,7 @@ import CoreData
 import OSLog
 import Sentry
 import UserAccounts
+import ComposeUI
 
 let stateRestorationLogger = Logger(subsystem: Bundle.main.bundleIdentifier!, category: "StateRestoration")
 
@@ -47,6 +48,16 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
                 // no-op
             }
         }
+        
+        DispatchQueue.global(qos: .userInitiated).async {
+            let documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
+            let oldDraftsFile = documentsDirectory.appendingPathComponent("drafts").appendingPathExtension("plist")
+            if FileManager.default.fileExists(atPath: oldDraftsFile.path) {
+                if case .failure(let error) = DraftsManager.migrate(from: oldDraftsFile) {
+                    SentrySDK.capture(error: error)
+                }
+            }
+        }
 
         return true
     }

Tusker/CoreData/MastodonCachePersistentStore.swift

@@ -321,7 +321,7 @@ class MastodonCachePersistentStore: NSPersistentCloudKitContainer {
     
     @discardableResult
     private func upsert(relationship: Relationship, in context: NSManagedObjectContext) -> RelationshipMO {
-        if let relationshipMO = self.relationship(forAccount: relationship.id, in: context) {
+        if let relationshipMO = self.relationship(forAccount: relationship.accountID, in: context) {
             relationshipMO.updateFrom(apiRelationship: relationship, container: self)
             return relationshipMO
         } else {
@@ -336,7 +336,7 @@ class MastodonCachePersistentStore: NSPersistentCloudKitContainer {
             let relationshipMO = self.upsert(relationship: relationship, in: context)
             self.save(context: context)
             completion?(relationshipMO)
-            self.relationshipSubject.send(relationship.id)
+            self.relationshipSubject.send(relationship.accountID)
         }
     }
     

Tusker/CoreData/RelationshipMO.swift

@@ -11,7 +11,7 @@ import CoreData
 import Pachyderm
 
 @objc(RelationshipMO)
-public final class RelationshipMO: NSManagedObject {
+public final class RelationshipMO: NSManagedObject, RelationshipProtocol {
     
     @nonobjc public class func fetchRequest() -> NSFetchRequest<RelationshipMO> {
         return NSFetchRequest<RelationshipMO>(entityName: "Relationship")
@@ -29,6 +29,8 @@ public final class RelationshipMO: NSManagedObject {
     @NSManaged public var showingReblogs: Bool
     @NSManaged public var account: AccountMO?
     
+    public var followRequested: Bool { requested }
+    
 }
 
 extension RelationshipMO {
@@ -43,10 +45,10 @@ extension RelationshipMO {
             return
         }
         
-        self.accountID = relationship.id
+        self.accountID = relationship.accountID
         self.blocking = relationship.blocking
         self.domainBlocking = relationship.domainBlocking
-        self.endorsed = relationship.endorsed ?? false
+        self.endorsed = relationship.endorsed
         self.followedBy = relationship.followedBy
         self.following = relationship.following
         self.muting = relationship.muting
@@ -54,6 +56,6 @@ extension RelationshipMO {
         self.requested = relationship.followRequested
         self.showingReblogs = relationship.showingReblogs
         
-        self.account = container.account(for: relationship.id, in: context)
+        self.account = container.account(for: relationship.accountID, in: context)
     }
 }

Tusker/CoreData/StatusMO.swift

@@ -75,9 +75,9 @@ public final class StatusMO: NSManagedObject, StatusProtocol {
     public var pinned: Bool? { pinnedInternal }
     public var bookmarked: Bool? { bookmarkedInternal }
     
-    public var visibility: Pachyderm.Status.Visibility {
+    public var visibility: Pachyderm.Visibility {
         get {
-            Pachyderm.Status.Visibility(rawValue: visibilityString) ?? .public
+            Pachyderm.Visibility(rawValue: visibilityString) ?? .public
         }
         set {
             visibilityString = newValue.rawValue

Tusker/Extensions/Array+Uniques.swift

@@ -11,10 +11,10 @@ import Foundation
 extension Array {
     func uniques<ID: Hashable>(by identify: (Element) -> ID) -> [Element] {
         var uniques = Set<Hashed<Element, ID>>()
-        for elem in self {
+        for (index, elem) in self.enumerated() {
-            uniques.insert(Hashed(element: elem, id: identify(elem)))
+            uniques.insert(Hashed(element: elem, id: identify(elem), origIndex: index))
         }
-        return uniques.map(\.element)
+        return uniques.sorted(by: { $0.origIndex < $1.origIndex }).map(\.element)
     }
 }
 
@@ -27,6 +27,7 @@ extension Array where Element: Hashable {
 fileprivate struct Hashed<Element, ID: Hashable>: Hashable {
     let element: Element
     let id: ID
+    let origIndex: Int
     
     static func ==(lhs: Self, rhs: Self) -> Bool {
         return lhs.id == rhs.id

Tusker/Extensions/Date+TimeAgo.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import TuskerComponents
 
 extension Date {
 
@@ -34,30 +35,7 @@ extension Date {
     }
     
     func timeAgoString() -> String {
-        let (amount, component) = timeAgo()
+        self.formatted(.abbreviatedTimeAgo)
-        
-        switch component {
-        case .year:
-            return "\(amount)y"
-        case .month:
-            return "\(amount)mo"
-        case .weekOfYear:
-            return "\(amount)w"
-        case .day:
-            return "\(amount)d"
-        case .hour:
-            return "\(amount)h"
-        case .minute:
-            return "\(amount)m"
-        case .second:
-            if amount >= 3 {
-                return "\(amount)s"
-            } else {
-                return "Now"
-            }
-        default:
-            fatalError("Unexpected component: \(component)")
-        }
     }
     
 }

Tusker/Models/CompositionAttachment.swift

@@ -70,9 +70,9 @@ extension CompositionAttachment: NSItemProviderWriting {
             } catch {
                 completionHandler(nil, error)
             }
+        } else {
+            completionHandler(nil, ItemProviderError.incompatibleTypeIdentifier)
         }
-        
-        completionHandler(nil, ItemProviderError.incompatibleTypeIdentifier)
         return nil
     }
     

Tusker/Models/CompositionAttachmentData.swift

@@ -10,6 +10,7 @@ import UIKit
 import Photos
 import UniformTypeIdentifiers
 import PencilKit
+import InstanceFeatures
 
 enum CompositionAttachmentData {
     case asset(PHAsset)

Tusker/Models/DraftsManager.swift

@@ -1,77 +0,0 @@
-//
-//  DraftsManager.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 10/22/18.
-//  Copyright © 2018 Shadowfacts. All rights reserved.
-//
-
-import Foundation
-
-class DraftsManager: Codable, ObservableObject {
-
-    private(set) static var shared: DraftsManager = load()
-    
-    private static var documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
-    private static var archiveURL = DraftsManager.documentsDirectory.appendingPathComponent("drafts").appendingPathExtension("plist")
-    
-    static func save() {
-        DispatchQueue.global(qos: .utility).async {
-            let encoder = PropertyListEncoder()
-            let data = try? encoder.encode(shared)
-            try? data?.write(to: archiveURL, options: .noFileProtection)
-        }
-    }
-    
-    static func load() -> DraftsManager {
-        let decoder = PropertyListDecoder()
-        if let data = try? Data(contentsOf: archiveURL),
-            let draftsManager = try? decoder.decode(DraftsManager.self, from: data) {
-            return draftsManager
-        }
-        return DraftsManager()
-    }
-    
-    private init() {}
-    
-    required init(from decoder: Decoder) throws {
-        let container = try decoder.container(keyedBy: CodingKeys.self)
-        
-        if let dict = try? container.decode([UUID: Draft].self, forKey: .drafts) {
-            self.drafts = dict
-        } else if let array = try? container.decode([Draft].self, forKey: .drafts) {
-            self.drafts = array.reduce(into: [:], { partialResult, draft in
-                partialResult[draft.id] = draft
-            })
-        } else {
-            throw DecodingError.dataCorruptedError(forKey: .drafts, in: container, debugDescription: "expected drafts to be a dict or array of drafts")
-        }
-    }
-    
-    func encode(to encoder: Encoder) throws {
-        var container = encoder.container(keyedBy: CodingKeys.self)
-        try container.encode(drafts, forKey: .drafts)
-    }
-    
-    @Published private var drafts: [UUID: Draft] = [:]
-    var sorted: [Draft] {
-        return drafts.values.sorted(by: { $0.lastModified > $1.lastModified })
-    }
-    
-    func add(_ draft: Draft) {
-        drafts[draft.id] = draft
-    }
-    
-    func remove(_ draft: Draft) {
-        drafts.removeValue(forKey: draft.id)
-    }
-    
-    func getBy(id: UUID) -> Draft? {
-        return drafts[id]
-    }
-    
-    enum CodingKeys: String, CodingKey {
-        case drafts
-    }
-    
-}

Tusker/Preferences/Preferences.swift

@@ -49,7 +49,7 @@ class Preferences: Codable, ObservableObject {
         self.leadingStatusSwipeActions = try container.decodeIfPresent([StatusSwipeAction].self, forKey: .leadingStatusSwipeActions) ?? leadingStatusSwipeActions
         self.trailingStatusSwipeActions = try container.decodeIfPresent([StatusSwipeAction].self, forKey: .trailingStatusSwipeActions) ?? trailingStatusSwipeActions
         
-        self.defaultPostVisibility = try container.decode(Status.Visibility.self, forKey: .defaultPostVisibility)
+        self.defaultPostVisibility = try container.decode(Visibility.self, forKey: .defaultPostVisibility)
         self.defaultReplyVisibility = try container.decodeIfPresent(ReplyVisibility.self, forKey: .defaultReplyVisibility) ?? .sameAsPost
         self.automaticallySaveDrafts = try container.decode(Bool.self, forKey: .automaticallySaveDrafts)
         self.requireAttachmentDescriptions = try container.decode(Bool.self, forKey: .requireAttachmentDescriptions)
@@ -158,7 +158,7 @@ class Preferences: Codable, ObservableObject {
     @Published var trailingStatusSwipeActions: [StatusSwipeAction] = [.reply, .share]
     
     // MARK: Composing
-    @Published var defaultPostVisibility = Status.Visibility.public
+    @Published var defaultPostVisibility = Visibility.public
     @Published var defaultReplyVisibility = ReplyVisibility.sameAsPost
     @Published var automaticallySaveDrafts = true
     @Published var requireAttachmentDescriptions = false
@@ -266,11 +266,11 @@ class Preferences: Codable, ObservableObject {
 extension Preferences {
     enum ReplyVisibility: Codable, Hashable, CaseIterable {
         case sameAsPost
-        case visibility(Status.Visibility)
+        case visibility(Visibility)
         
-        static var allCases: [Preferences.ReplyVisibility] = [.sameAsPost] + Status.Visibility.allCases.map { .visibility($0) }
+        static var allCases: [Preferences.ReplyVisibility] = [.sameAsPost] + Visibility.allCases.map { .visibility($0) }
         
-        var resolved: Status.Visibility {
+        var resolved: Visibility {
             switch self {
             case .sameAsPost:
                 return Preferences.shared.defaultPostVisibility

Tusker/Scenes/ComposeSceneDelegate.swift

@@ -9,6 +9,7 @@
 import UIKit
 import Combine
 import UserAccounts
+import ComposeUI
 
 class ComposeSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate {
 
@@ -62,15 +63,15 @@ class ComposeSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDeleg
         composeVC.delegate = self
         let nav = EnhancedNavigationViewController(rootViewController: composeVC)
         
-        updateTitle(draft: composeVC.draft)
-        composeVC.uiState.$draft
-            .sink { [unowned self] in self.updateTitle(draft: $0) }
-            .store(in: &cancellables)
-        
         window = UIWindow(windowScene: windowScene)
         window!.rootViewController = nav
         window!.makeKeyAndVisible()
         
+        updateTitle(draft: composeVC.controller.draft)
+        composeVC.controller.$draft
+            .sink { [unowned self] in self.updateTitle(draft: $0) }
+            .store(in: &cancellables)
+        
         NotificationCenter.default.addObserver(self, selector: #selector(themePrefChanged), name: .themePreferenceChanged, object: nil)
         themePrefChanged()
     }
@@ -81,7 +82,7 @@ class ComposeSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDeleg
         if let window = window,
            let nav = window.rootViewController as? UINavigationController,
            let compose = nav.topViewController as? ComposeHostingController {
-            scene.userActivity = UserActivityManager.editDraftActivity(id: compose.draft.id, accountID: scene.session.mastodonController!.accountInfo!.id)
+            scene.userActivity = UserActivityManager.editDraftActivity(id: compose.controller.draft.id, accountID: scene.session.mastodonController!.accountInfo!.id)
         }
     }
     
@@ -109,7 +110,7 @@ class ComposeSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDeleg
 }
 
 extension ComposeSceneDelegate: ComposeHostingControllerDelegate {
-    func dismissCompose(mode: ComposeUIState.DismissMode) -> Bool {
+    func dismissCompose(mode: DismissMode) -> Bool {
         let animation: UIWindowScene.DismissalAnimation
         switch mode {
         case .cancel:

Tusker/Scenes/MainSceneDelegate.swift

@@ -12,6 +12,7 @@ import MessageUI
 import CoreData
 import Duckable
 import UserAccounts
+import ComposeUI
 
 class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate {
     

Tusker/Screens/Attachment Gallery/AttachmentPreviewViewController.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import Pachyderm
+import TuskerComponents
 
 class AttachmentPreviewViewController: UIViewController {
 

Tusker/Screens/Compose/ComposeAssetPicker.swift

@@ -1,29 +0,0 @@
-//
-//  ComposeAssetPicker.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 8/19/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-
-struct ComposeAssetPicker: UIViewControllerRepresentable {
-    typealias UIViewControllerType = AssetPickerViewController
-    
-    @ObservedObject var draft: Draft
-    let delegate: AssetPickerViewControllerDelegate?
-    
-    @EnvironmentObject var mastodonController: MastodonController
-    
-    func makeUIViewController(context: Context) -> AssetPickerViewController {
-        let vc = AssetPickerViewController()
-        vc.assetPickerDelegate = delegate
-        vc.preferredContentSize = CGSize(width: 400, height: 600)
-        return vc
-    }
-    
-    func updateUIViewController(_ uiViewController: AssetPickerViewController, context: Context) {
-    }
-    
-}

Tusker/Screens/Compose/ComposeAttachmentRow.swift

@@ -1,164 +0,0 @@
-//
-//  ComposeAttachmentRow.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 8/19/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-import Photos
-import AVFoundation
-import Vision
-
-struct ComposeAttachmentRow: View {
-    @ObservedObject var draft: Draft
-    @ObservedObject var attachment: CompositionAttachment
-    
-    @EnvironmentObject var mastodonController: MastodonController
-    @EnvironmentObject var uiState: ComposeUIState
-    @State private var mode: Mode = .allowEntry
-    @State private var isShowingTextRecognitionFailedAlert = false
-    @State private var textRecognitionErrorMessage: String? = nil
-    
-    var body: some View {
-        HStack(alignment: .center, spacing: 4) {
-            ComposeAttachmentImage(attachment: attachment, fullSize: false)
-                .frame(width: 80, height: 80)
-                .cornerRadius(8)
-                .contextMenu {
-                    if case .drawing(_) = attachment.data {
-                        Button(action: self.editDrawing) {
-                            Label("Edit Drawing", systemImage: "hand.draw")
-                        }
-                    } else if attachment.data.type == .image {
-                        Button(action: self.recognizeText) {
-                            Label("Recognize Text", systemImage: "doc.text.viewfinder")
-                        }
-                    }
-                    
-                    Button(role: .destructive, action: self.removeAttachment) {
-                        Label("Delete", systemImage: "trash")
-                    }
-                } previewIfAvailable: {
-                    ComposeAttachmentImage(attachment: attachment, fullSize: true)
-                }
-            
-            switch mode {
-            case .allowEntry:
-                ComposeTextView(text: $attachment.attachmentDescription, placeholder: Text("Describe for the visually impaired…"), minHeight: 80)
-                    .backgroundColor(.clear)
-                
-            case .recognizingText:
-                ProgressView()
-            }
-            
-            
-            // todo: find a way to make this button not activated when the list row is selected, see FB8595628
-//            Button(action: self.removeAttachment) {
-//                Image(systemName: "xmark.circle.fill")
-//                    .foregroundColor(.blue)
-//            }
-        }
-        .onReceive(attachment.$attachmentDescription) { (newDesc) in
-            if newDesc.isEmpty {
-                uiState.attachmentsMissingDescriptions.insert(attachment.id)
-            } else {
-                uiState.attachmentsMissingDescriptions.remove(attachment.id)
-            }
-        }
-        .alert(isPresented: $isShowingTextRecognitionFailedAlert) {
-            Alert(
-                title: Text("Text Recognition Failed"),
-                message: Text(self.textRecognitionErrorMessage ?? ""),
-                dismissButton: .default(Text("OK"))
-            )
-        }
-    }
-    
-    private func removeAttachment() {
-        withAnimation {
-            draft.attachments.removeAll { $0.id == attachment.id }
-        }
-    }
-    
-    private func editDrawing() {
-        uiState.composeDrawingMode = .edit(id: attachment.id)
-        uiState.delegate?.presentComposeDrawing()
-    }
-    
-    private func recognizeText() {
-        mode = .recognizingText
-        
-        DispatchQueue.global(qos: .userInitiated).async {
-            self.attachment.data.getData(features: mastodonController.instanceFeatures, skipAllConversion: true) { (result) in
-                let data: Data
-                do {
-                    try data = result.get().0
-                } catch {
-                    DispatchQueue.main.async {
-                        self.mode = .allowEntry
-                        self.isShowingTextRecognitionFailedAlert = true
-                        self.textRecognitionErrorMessage = error.localizedDescription
-                    }
-                    return
-                }
-                let handler = VNImageRequestHandler(data: data, options: [:])
-                let request = VNRecognizeTextRequest { (request, error) in
-                    DispatchQueue.main.async {
-                        if let results = request.results as? [VNRecognizedTextObservation] {
-                            var text = ""
-                            for observation in results {
-                                let result = observation.topCandidates(1).first!
-                                text.append(result.string)
-                                text.append("\n")
-                            }
-                            self.attachment.attachmentDescription = text
-                        }
-                        
-                        self.mode = .allowEntry
-                    }
-                }
-                request.recognitionLevel = .accurate
-                request.usesLanguageCorrection = true
-                DispatchQueue.global(qos: .userInitiated).async {
-                    do {
-                        try handler.perform([request])
-                    } catch {
-                        // The perform call throws an error with code 1 if the request is cancelled, which we don't want to show an alert for.
-                        guard (error as NSError).code != 1 else { return }
-                        DispatchQueue.main.async {
-                            self.mode = .allowEntry
-                            self.isShowingTextRecognitionFailedAlert = true
-                            self.textRecognitionErrorMessage = error.localizedDescription
-                        }
-                    }
-                }
-            }
-        }
-    }
-}
-
-extension ComposeAttachmentRow {
-    enum Mode {
-        case allowEntry, recognizingText
-    }
-}
-
-private extension View {
-    @available(iOS, obsoleted: 16.0)
-    @ViewBuilder
-    func contextMenu<M: View, P: View>(@ViewBuilder menuItems: () -> M, @ViewBuilder previewIfAvailable preview: () -> P) -> some View {
-        if #available(iOS 16.0, *) {
-            self.contextMenu(menuItems: menuItems, preview: preview)
-        } else {
-            self.contextMenu(menuItems: menuItems)
-        }
-    }
-}
-
-//struct ComposeAttachmentRow_Previews: PreviewProvider {
-//    static var previews: some View {
-//        ComposeAttachmentRow()
-//    }
-//}

Tusker/Screens/Compose/ComposeAttachmentsList.swift

@@ -1,210 +0,0 @@
-//
-//  ComposeAttachmentsList.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 8/19/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-
-struct ComposeAttachmentsList: View {
-    private let cellHeight: CGFloat = 80
-    private let cellPadding: CGFloat = 12
-    
-    @ObservedObject var draft: Draft
-    
-    @EnvironmentObject var mastodonController: MastodonController
-    @EnvironmentObject var uiState: ComposeUIState
-    @State var isShowingAssetPickerPopover = false
-    @State var isShowingCreateDrawing = false
-    
-    @Environment(\.colorScheme) var colorScheme: ColorScheme
-    @Environment(\.horizontalSizeClass) var horizontalSizeClass: UserInterfaceSizeClass?
-    
-    var body: some View {
-        Group {
-            ForEach(draft.attachments) { (attachment) in
-                ComposeAttachmentRow(
-                    draft: draft,
-                    attachment: attachment
-                )
-                .listRowInsets(EdgeInsets(top: cellPadding / 2, leading: cellPadding / 2, bottom: cellPadding / 2, trailing: cellPadding / 2))
-                .onDrag { NSItemProvider(object: attachment) }
-            }
-            .onMove(perform: self.moveAttachments)
-            .onDelete(perform: self.deleteAttachments)
-            .conditionally(canAddAttachment) {
-                $0.onInsert(of: CompositionAttachment.readableTypeIdentifiersForItemProvider, perform: self.insertAttachments)
-            }
-            
-            Button(action: self.addAttachment) {
-                Label("Add photo or video", systemImage: addButtonImageName)
-            }
-            .disabled(!canAddAttachment)
-            .foregroundColor(.accentColor)
-            .frame(height: cellHeight / 2)
-            .sheetOrPopover(isPresented: $isShowingAssetPickerPopover, content: self.assetPickerPopover)
-            .listRowInsets(EdgeInsets(top: cellPadding / 2, leading: cellPadding / 2, bottom: cellPadding / 2, trailing: cellPadding / 2))
-            
-            Button(action: self.createDrawing) {
-                Label("Draw something", systemImage: "hand.draw")
-            }
-            .disabled(!canAddAttachment)
-            .foregroundColor(.accentColor)
-            .frame(height: cellHeight / 2)
-            .listRowInsets(EdgeInsets(top: cellPadding / 2, leading: cellPadding / 2, bottom: cellPadding / 2, trailing: cellPadding / 2))
-            
-            Button(action: self.togglePoll) {
-                Label(draft.poll == nil ? "Add a poll" : "Remove poll", systemImage: "chart.bar.doc.horizontal")
-            }
-            .disabled(!canAddPoll)
-            .foregroundColor(.accentColor)
-            .frame(height: cellHeight / 2)
-            .listRowInsets(EdgeInsets(top: cellPadding / 2, leading: cellPadding / 2, bottom: cellPadding / 2, trailing: cellPadding / 2))
-        }
-        .onAppear(perform: self.didAppear)
-    }
-    
-    private var addButtonImageName: String {
-        switch colorScheme {
-        case .dark:
-            return "photo.fill"
-        case .light:
-            return "photo"
-        @unknown default:
-            return "photo"
-        }
-    }
-    
-    private var canAddAttachment: Bool {
-        if mastodonController.instanceFeatures.mastodonAttachmentRestrictions {
-            return draft.attachments.count < 4 && draft.attachments.allSatisfy { $0.data.type == .image } && draft.poll == nil
-        } else {
-            return true
-        }
-    }
-    
-    private var canAddPoll: Bool {
-        if mastodonController.instanceFeatures.pollsAndAttachments {
-            return true
-        } else {
-            return draft.attachments.isEmpty
-        }
-    }
-    
-    private func didAppear() {
-        if #available(iOS 16.0, *) {
-            // these appearance proxy hacks are no longer necessary
-        } else {
-            let proxy = UITableView.appearance(whenContainedInInstancesOf: [ComposeHostingController.self])
-            // enable drag and drop to reorder on iPhone
-            proxy.dragInteractionEnabled = true
-            proxy.isScrollEnabled = false
-        }
-    }
-    
-    private func assetPickerPopover() -> some View {
-        ComposeAssetPicker(draft: draft, delegate: uiState.delegate?.assetPickerDelegate)
-            .onDisappear {
-                // on iPadOS 16, this is necessary to dismiss the popover when collapsing from regular -> compact size class
-                // otherwise, the popover isn't visible but it's still "presented", so the sheet can't be shown
-                self.isShowingAssetPickerPopover = false
-            }
-            // on iPadOS 16, this is necessary to show the dark color in the popover arrow
-            .background(Color(.appBackground))
-            .environment(\.colorScheme, .dark)
-            .edgesIgnoringSafeArea(.bottom)
-            .withSheetDetentsIfAvailable()
-    }
-    
-    private func addAttachment() {
-        if #available(iOS 16.0, *) {
-            isShowingAssetPickerPopover = true
-        } else if horizontalSizeClass == .regular {
-            isShowingAssetPickerPopover = true
-        } else {
-            uiState.delegate?.presentAssetPickerSheet()
-        }
-    }
-    
-    private func moveAttachments(from source: IndexSet, to destination: Int) {
-        draft.attachments.move(fromOffsets: source, toOffset: destination)
-    }
-    
-    private func deleteAttachments(at indices: IndexSet) {
-        draft.attachments.remove(atOffsets: indices)
-    }
-    
-    private func insertAttachments(at offset: Int, itemProviders: [NSItemProvider]) {
-        for provider in itemProviders where provider.canLoadObject(ofClass: CompositionAttachment.self) {
-            guard canAddAttachment else { break }
-            
-            provider.loadObject(ofClass: CompositionAttachment.self) { (object, error) in
-                guard let attachment = object as? CompositionAttachment else { return }
-                DispatchQueue.main.async {
-                    self.draft.attachments.insert(attachment, at: offset)
-                }
-            }
-        }
-    }
-    
-    private func createDrawing() {
-        uiState.composeDrawingMode = .createNew
-        uiState.delegate?.presentComposeDrawing()
-    }
-    
-    private func togglePoll() {
-        UIApplication.shared.sendAction(#selector(UIView.resignFirstResponder), to: nil, from: nil, for: nil)
-        
-        withAnimation {
-            draft.poll = draft.poll == nil ? Draft.Poll() : nil
-        }
-    }
-}
-
-fileprivate extension View {
-    @available(iOS, obsoleted: 16.0)
-    @ViewBuilder
-    func sheetOrPopover(isPresented: Binding<Bool>, @ViewBuilder content: @escaping () -> some View) -> some View {
-        if #available(iOS 16.0, *) {
-            self.modifier(SheetOrPopover(isPresented: isPresented, view: content))
-        } else {
-            self.popover(isPresented: isPresented, content: content)
-        }
-    }
-    
-    @available(iOS, obsoleted: 16.0)
-    @ViewBuilder
-    func withSheetDetentsIfAvailable() -> some View {
-        if #available(iOS 16.0, *) {
-            self
-                .presentationDetents([.medium, .large])
-                .presentationDragIndicator(.visible)
-        } else {
-            self
-        }
-    }
-}
-
-@available(iOS 16.0, *)
-struct SheetOrPopover<V: View>: ViewModifier {
-    @Binding var isPresented: Bool
-    @ViewBuilder let view: () -> V
-    
-    @Environment(\.horizontalSizeClass) var sizeClass
-    
-    func body(content: Content) -> some View {
-        if sizeClass == .compact {
-            content.sheet(isPresented: $isPresented, content: view)
-        } else {
-            content.popover(isPresented: $isPresented, content: view)
-        }
-    }
-}
-
-//struct ComposeAttachmentsList_Previews: PreviewProvider {
-//    static var previews: some View {
-//        ComposeAttachmentsList()
-//    }
-//}

Tusker/Screens/Compose/ComposeAutocompleteView.swift

@@ -1,424 +0,0 @@
-//
-//  ComposeAutocompleteView.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 10/10/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-import CoreData
-import Pachyderm
-
-struct ComposeAutocompleteView: View {
-    let autocompleteState: ComposeUIState.AutocompleteState
-    
-    @Environment(\.colorScheme) var colorScheme: ColorScheme
-    
-    private var backgroundColor: Color {
-        Color(white: colorScheme == .light ? 0.98 : 0.15)
-    }
-    
-    private var borderColor: Color {
-        Color(white: colorScheme == .light ? 0.85 : 0.25)
-    }
-    
-    var body: some View {
-        suggestionsView
-            .background(backgroundColor)
-            .overlay(borderColor.frame(height: 0.5), alignment: .top)
-    }
-    
-    @ViewBuilder
-    private var suggestionsView: some View {
-        switch autocompleteState {
-        case .mention(_):
-            ComposeAutocompleteMentionsView()
-        case .emoji(_):
-            ComposeAutocompleteEmojisView()
-        case .hashtag(_):
-            ComposeAutocompleteHashtagsView()
-        }
-    }
-}
-
-struct ComposeAutocompleteMentionsView: View {
-    @EnvironmentObject private var mastodonController: MastodonController
-    @EnvironmentObject private var uiState: ComposeUIState
-    @ObservedObject private var preferences = Preferences.shared
-    
-    // can't use AccountProtocol because of associated type requirements
-    @State private var accounts: [AnyAccount] = []
-    
-    @State private var searchRequest: URLSessionTask?
-    
-    var body: some View {
-        ScrollView(.horizontal) {
-            // can't use LazyHStack because changing the contents of the ForEach causes the ScrollView to hang
-            HStack(spacing: 8) {
-                ForEach(accounts, id: \.value.id) { (account) in
-                    Button {
-                        uiState.currentInput?.autocomplete(with: "@\(account.value.acct)")
-                    } label: {
-                        HStack(spacing: 4) {
-                            ComposeAvatarImageView(url: account.value.avatar)
-                                .frame(width: 30, height: 30)
-                                .cornerRadius(preferences.avatarStyle.cornerRadiusFraction * 30)
-                            
-                            VStack(alignment: .leading) {
-                                AccountDisplayNameLabel(account: account.value, textStyle: .subheadline, emojiSize: 14)
-                                    .foregroundColor(Color(UIColor.label))
-                                
-                                Text(verbatim: "@\(account.value.acct)")
-                                    .font(.caption)
-                                    .foregroundColor(Color(UIColor.label))
-                            }
-                        }
-                    }
-                    .frame(height: 30)
-                    .padding(.vertical, 8)
-                }
-                .animation(.linear(duration: 0.1), value: accounts)
-                
-                Spacer()
-            }
-            .padding(.horizontal, 8)
-        }
-        .onReceive(uiState.$autocompleteState.debounce(for: .milliseconds(250), scheduler: DispatchQueue.main), perform: queryChanged)
-        .onDisappear {
-            searchRequest?.cancel()
-        }
-    }
-    
-    private func queryChanged(_ state: ComposeUIState.AutocompleteState?) {
-        guard case let .mention(query) = state,
-              !query.isEmpty else {
-            accounts = []
-            return
-        }
-        
-        let localSearchWorkItem = DispatchWorkItem {
-            // todo: there's got to be something more efficient than this :/
-            let wildcardedQuery = query.map { "*\($0)" }.joined() + "*"
-            let request: NSFetchRequest<AccountMO> = AccountMO.fetchRequest()
-            request.predicate = NSPredicate(format: "displayName LIKE %@ OR acct LIKE %@", wildcardedQuery, wildcardedQuery)
-            
-            if let results = try? mastodonController.persistentContainer.viewContext.fetch(request) {
-                loadAccounts(results.map { .init(value: $0) }, query: query)
-            }
-        }
-        
-        // we only want to search locally if the search API call takes more than .25sec or it fails
-        DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(250), execute: localSearchWorkItem)
-        
-        if let oldRequest = searchRequest {
-            oldRequest.cancel()
-        }
-        
-        let apiRequest = Client.searchForAccount(query: query)
-        searchRequest = mastodonController.run(apiRequest) { (response) in
-            guard case let .success(accounts, _) = response else { return }
-            
-            localSearchWorkItem.cancel()
-            
-            // dispatch back to the main thread because loadAccounts uses CoreData
-            DispatchQueue.main.async {
-                // if the query has changed, don't bother loading the now-outdated results
-                if case .mention(query) = uiState.autocompleteState {
-                    self.loadAccounts(accounts.map { .init(value: $0) }, query: query)
-                }
-            }
-        }
-    }
-    
-    private func loadAccounts(_ accounts: [AnyAccount], query: String) {
-        // when sorting account suggestions, ignore the domain component of the acct unless the user is typing it themself
-        let ignoreDomain = !query.contains("@")
-        
-        self.accounts =
-            accounts.map { (account) -> (AnyAccount, (matched: Bool, score: Int)) in
-                let fuzzyStr = ignoreDomain ? String(account.value.acct.split(separator: "@").first!) : account.value.acct
-                let res = (account, FuzzyMatcher.match(pattern: query, str: fuzzyStr))
-                return res
-            }
-            .filter(\.1.matched)
-            .map { (account, res) -> (AnyAccount, Int) in
-                // give higher weight to accounts that the user follows or is followed by
-                var score = res.score
-                if let relationship = mastodonController.persistentContainer.relationship(forAccount: account.value.id) {
-                    if relationship.following {
-                        score += 3
-                    }
-                    if relationship.followedBy {
-                        score += 2
-                    }
-                }
-                return (account, score)
-            }
-            .sorted { $0.1 > $1.1 }
-            .map(\.0)
-    }
-    
-    private struct AnyAccount: Equatable {
-        let value: any AccountProtocol
-        
-        static func ==(lhs: AnyAccount, rhs: AnyAccount) -> Bool {
-            return lhs.value.id == rhs.value.id
-        }
-    }
-}
-
-struct ComposeAutocompleteEmojisView: View {
-    @EnvironmentObject private var mastodonController: MastodonController
-    @EnvironmentObject private var uiState: ComposeUIState
-    
-    @State var expanded = false
-    @State private var emojis: [Emoji] = []
-    @ScaledMetric private var emojiSize = 30
-    
-    private var emojisBySection: [String: [Emoji]] {
-        var values: [String: [Emoji]] = [:]
-        for emoji in emojis {
-            let key = emoji.category ?? ""
-            if !values.keys.contains(key) {
-                values[key] = [emoji]
-            } else {
-                values[key]!.append(emoji)
-            }
-        }
-        return values
-    }
-    
-    var body: some View {
-        // When exapnded, the toggle button should be at the top. When collapsed, it should be centered.
-        HStack(alignment: expanded ? .top : .center, spacing: 0) {
-            if case let .emoji(query) = uiState.autocompleteState {
-                emojiList(query: query)
-                    .transition(.move(edge: .bottom))
-                    .onReceive(uiState.$autocompleteState, perform: queryChanged)
-                    .onAppear {
-                        if uiState.shouldEmojiAutocompletionBeginExpanded {
-                            expanded = true
-                            uiState.shouldEmojiAutocompletionBeginExpanded = false
-                        }
-                    }
-            } else {
-                // when the autocomplete view is animating out, the autocomplete state is nil
-                // add a spacer so the expand button remains on the right
-                Spacer()
-            }
-            
-            toggleExpandedButton
-                .padding(.trailing, 8)
-                .padding(.top, expanded ? 8 : 0)
-        }
-    }
-    
-    @ViewBuilder
-    private func emojiList(query: String) -> some View {
-        if expanded {
-            verticalGrid
-                .frame(height: 150)
-        } else {
-            horizontalScrollView
-        }
-    }
-    
-    private var verticalGrid: some View {
-        ScrollView {
-            LazyVGrid(columns: [GridItem(.adaptive(minimum: emojiSize), spacing: 4)]) {
-                ForEach(emojisBySection.keys.sorted(), id: \.self) { section in
-                    Section {
-                        ForEach(emojisBySection[section]!, id: \.shortcode) { emoji in
-                            Button {
-                                uiState.currentInput?.autocomplete(with: ":\(emoji.shortcode):")
-                            } label: {
-                                CustomEmojiImageView(emoji: emoji)
-                                    .frame(height: emojiSize)
-                            }
-                            .accessibilityLabel(emoji.shortcode)
-                        }
-                    } header: {
-                        if !section.isEmpty {
-                            VStack(alignment: .leading, spacing: 2) {
-                                Text(section)
-                                    .font(.caption)
-                                
-                                Rectangle()
-                                    .foregroundColor(Color(.separator))
-                                    .frame(height: 0.5)
-                            }
-                            .padding(.top, 4)
-                        }
-                    }
-                }
-            }
-            .padding(.all, 8)
-        }
-        .frame(maxWidth: .infinity)
-    }
-    
-    private var horizontalScrollView: some View {
-        ScrollView(.horizontal) {
-            HStack(spacing: 8) {
-                ForEach(emojis, id: \.shortcode) { (emoji) in
-                    Button {
-                        uiState.currentInput?.autocomplete(with: ":\(emoji.shortcode):")
-                    } label: {
-                        HStack(spacing: 4) {
-                            CustomEmojiImageView(emoji: emoji)
-                                .frame(height: emojiSize)
-                            Text(verbatim: ":\(emoji.shortcode):")
-                                .foregroundColor(Color(UIColor.label))
-                        }
-                    }
-                    .accessibilityLabel(emoji.shortcode)
-                    .frame(height: emojiSize)
-                }
-                .animation(.linear(duration: 0.2), value: emojis)
-                
-                Spacer(minLength: emojiSize)
-            }
-            .padding(.horizontal, 8)
-            .frame(height: emojiSize + 16)
-        }
-    }
-    
-    private var toggleExpandedButton: some View {
-        Button {
-            withAnimation {
-                expanded.toggle()
-            }
-        } label: {
-            Image(systemName: "chevron.down")
-                .resizable()
-                .aspectRatio(contentMode: .fit)
-                .rotationEffect(expanded ? .zero : .degrees(180))
-        }
-        .accessibilityLabel(expanded ? "Collapse" : "Expand")
-        .frame(width: 20, height: 20)
-    }
-    
-    private func queryChanged(_ autocompleteState: ComposeUIState.AutocompleteState?) {
-        guard case let .emoji(query) = autocompleteState else {
-            emojis = []
-            return
-        }
-        
-        mastodonController.getCustomEmojis { (emojis) in
-            var emojis = emojis
-            if !query.isEmpty {
-                emojis =
-                    emojis.map { (emoji) -> (Emoji, (matched: Bool, score: Int)) in
-                        (emoji, FuzzyMatcher.match(pattern: query, str: emoji.shortcode))
-                    }
-                    .filter(\.1.matched)
-                    .sorted { $0.1.score > $1.1.score }
-                    .map(\.0)
-            }
-            var shortcodes = Set<String>()
-            self.emojis = []
-            for emoji in emojis where !shortcodes.contains(emoji.shortcode) {
-                self.emojis.append(emoji)
-                shortcodes.insert(emoji.shortcode)
-            }
-        }
-    }
-}
-
-struct ComposeAutocompleteHashtagsView: View {
-    @EnvironmentObject private var mastodonController: MastodonController
-    @EnvironmentObject private var uiState: ComposeUIState
-    
-    @State private var hashtags: [Hashtag] = []
-    @State private var trendingRequest: URLSessionTask?
-    @State private var searchRequest: URLSessionTask?
-    
-    var body: some View {
-        ScrollView(.horizontal) {
-            HStack(spacing: 8) {
-                ForEach(hashtags, id: \.name) { (hashtag) in
-                    Button {
-                        uiState.currentInput?.autocomplete(with: "#\(hashtag.name)")
-                    } label: {
-                        Text(verbatim: "#\(hashtag.name)")
-                            .foregroundColor(Color(UIColor.label))
-                    }
-                    .frame(height: 30)
-                    .padding(.vertical, 8)
-                }
-                .animation(.linear(duration: 0.1), value: hashtags)
-                
-                Spacer()
-            }
-            .padding(.horizontal, 8)
-        }
-        .onReceive(uiState.$autocompleteState.debounce(for: .milliseconds(250), scheduler: DispatchQueue.main), perform: queryChanged)
-        .onDisappear {
-            trendingRequest?.cancel()
-        }
-    }
-    
-    private func queryChanged(_ autocompleteState: ComposeUIState.AutocompleteState?) {
-        guard case let .hashtag(query) = autocompleteState,
-              !query.isEmpty else {
-            hashtags = []
-            return
-        }
-        
-        let onlySavedTagsWorkItem = DispatchWorkItem {
-            self.updateHashtags(searchResults: [], trendingTags: [], query: query)
-        }
-        
-        // we only want to do the local-only search if the trends API call takes more than .25sec or it fails
-        DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(250), execute: onlySavedTagsWorkItem)
-        
-        var trendingTags: [Hashtag] = []
-        var searchedTags: [Hashtag] = []
-        
-        let group = DispatchGroup()
-        
-        group.enter()
-        trendingRequest = mastodonController.run(Client.getTrendingHashtags()) { (response) in
-            defer { group.leave() }
-            guard case let .success(trends, _) = response else { return }
-            trendingTags = trends
-        }
-        
-        group.enter()
-        searchRequest = mastodonController.run(Client.search(query: "#\(query)", types: [.hashtags])) { (response) in
-            defer { group.leave() }
-            guard case let .success(results, _) = response else { return }
-            searchedTags = results.hashtags
-        }
-        
-        group.notify(queue: .main) {
-            onlySavedTagsWorkItem.cancel()
-            
-            // if the query has changed, don't bother loading the now-outdated results
-            if case .hashtag(query) = self.uiState.autocompleteState {
-                self.updateHashtags(searchResults: searchedTags, trendingTags: trendingTags, query: query)
-            }
-        }
-    }
-    
-    private func updateHashtags(searchResults: [Hashtag], trendingTags: [Hashtag], query: String) {
-        let req = SavedHashtag.fetchRequest(account: mastodonController.accountInfo!)
-        let savedTags = ((try? mastodonController.persistentContainer.viewContext.fetch(req)) ?? [])
-            .map { Hashtag(name: $0.name, url: $0.url) }
-        
-        hashtags = (searchResults + savedTags + trendingTags)
-            .map { (tag) -> (Hashtag, (matched: Bool, score: Int)) in
-                return (tag, FuzzyMatcher.match(pattern: query, str: tag.name))
-            }
-            .filter(\.1.matched)
-            .sorted { $0.1.score > $1.1.score }
-            .map(\.0)
-    }
-}
-
-struct ComposeAutocompleteView_Previews: PreviewProvider {
-    static var previews: some View {
-        ComposeAutocompleteView(autocompleteState: .mention("shadowfacts"))
-    }
-}

Tusker/Screens/Compose/ComposeAvatarImageView.swift

@@ -1,64 +0,0 @@
-//
-//  ComposeAvatarImageView.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 8/18/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-
-struct ComposeAvatarImageView: View {
-    let url: URL?
-    @State var request: ImageCache.Request? = nil
-    @State var avatarImage: UIImage? = nil
-    @ObservedObject var preferences = Preferences.shared
-    
-    var body: some View {
-        image
-            .resizable()
-            .conditionally(url != nil) {
-                $0.onAppear(perform: self.loadImage)
-            }
-            .onDisappear(perform: self.cancelRequest)
-    }
-    
-    private var image: Image {
-        if let avatarImage = avatarImage {
-            return Image(uiImage: avatarImage).renderingMode(.original)
-        } else {
-            return placeholderImage
-        }
-    }
-    
-    private var placeholderImage: Image {
-        let imageName: String
-        switch preferences.avatarStyle {
-        case .circle:
-            imageName = "person.crop.circle"
-        case .roundRect:
-            imageName = "person.crop.square"
-        }
-        return Image(systemName: imageName)
-    }
-    
-    private func loadImage() {
-        guard let url = url else { return }
-        request = ImageCache.avatars.get(url) { (_, image) in
-            DispatchQueue.main.async {
-                self.request = nil
-                self.avatarImage = image
-            }
-        }
-    }
-    
-    private func cancelRequest() {
-        request?.cancel()
-    }
-}
-
-struct ComposeAvatarImageView_Previews: PreviewProvider {
-    static var previews: some View {
-        ComposeAvatarImageView(url: URL(string: "https://social.shadowfacts.net/media/4b481afc591a8f3d11d0f5732e5cb320422dec72d7f223ebb5f35d5d0e821a9c.png")!)
-    }
-}

Tusker/Screens/Compose/ComposeCurrentAccount.swift

@@ -1,49 +0,0 @@
-//
-//  ComposeCurrentAccount.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 8/18/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-import Pachyderm
-
-struct ComposeCurrentAccount: View {
-    @EnvironmentObject var mastodonController: MastodonController
-    @ObservedObject private var preferences = Preferences.shared
-    
-    var account: Account? {
-        mastodonController.account
-    }
-    
-    var body: some View {
-        HStack(alignment: .top) {
-            ComposeAvatarImageView(url: account?.avatar)
-                .frame(width: 50, height: 50)
-                .cornerRadius(preferences.avatarStyle.cornerRadiusFraction * 50)
-                .accessibilityHidden(true)
-            
-            if let id = account?.id,
-               let account = mastodonController.persistentContainer.account(for: id) {
-                VStack(alignment: .leading) {
-                    AccountDisplayNameLabel(account: account, textStyle: .title2, emojiSize: 24)
-                        .lineLimit(1)
-                    
-                    Text(verbatim: "@\(account.acct)")
-                        .font(.body.weight(.light))
-                        .foregroundColor(.secondary)
-                        .lineLimit(1)
-                }
-            }
-            
-            Spacer()
-        }
-    }
-}
-
-//struct ComposeCurrentAccount_Previews: PreviewProvider {
-//    static var previews: some View {
-//        ComposeCurrentAccount(account: )
-//    }
-//}

Tusker/Screens/Compose/ComposeEmojiTextField.swift

@@ -1,269 +0,0 @@
-//
-//  ComposeContentWarningTextField.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 10/12/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-
-struct ComposeEmojiTextField: UIViewRepresentable {
-    typealias UIViewType = UITextField
-    
-    @EnvironmentObject private var uiState: ComposeUIState
-    
-    @Binding var text: String
-    let placeholder: String
-    let maxLength: Int?
-    let becomeFirstResponder: Binding<Bool>?
-    let focusNextView: Binding<Bool>?
-    private var didChange: ((String) -> Void)? = nil
-    private var didEndEditing: (() -> Void)? = nil
-    private var backgroundColor: UIColor? = nil
-    
-    init(text: Binding<String>, placeholder: String, maxLength: Int? = nil, becomeFirstResponder: Binding<Bool>? = nil, focusNextView: Binding<Bool>? = nil) {
-        self._text = text
-        self.placeholder = placeholder
-        self.maxLength = maxLength
-        self.becomeFirstResponder = becomeFirstResponder
-        self.focusNextView = focusNextView
-        self.didChange = nil
-        self.didEndEditing = nil
-    }
-    
-    mutating func didChange(_ didChange: @escaping (String) -> Void) -> Self {
-        self.didChange = didChange
-        return self
-    }
-    
-    mutating func didEndEditing(_ didEndEditing: @escaping () -> Void) -> Self {
-        self.didEndEditing = didEndEditing
-        return self
-    }
-    
-    mutating func backgroundColor(_ color: UIColor) -> Self {
-        self.backgroundColor = color
-        return self
-    }
-    
-    func makeUIView(context: Context) -> UITextField {
-        let view = UITextField()
-        
-        view.placeholder = placeholder
-        view.borderStyle = .roundedRect
-        view.font = .preferredFont(forTextStyle: .body)
-        view.adjustsFontForContentSizeCategory = true
-        view.backgroundColor = backgroundColor
-        
-        view.delegate = context.coordinator
-        view.addTarget(context.coordinator, action: #selector(Coordinator.didChange(_:)), for: .editingChanged)
-        view.addTarget(context.coordinator, action: #selector(Coordinator.returnKeyPressed), for: .primaryActionTriggered)
-        
-        // otherwise when the text gets too wide it starts expanding the ComposeView
-        view.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
-        
-        context.coordinator.textField = view
-        context.coordinator.uiState = uiState
-        context.coordinator.text = $text
-        
-        return view
-    }
-    
-    func updateUIView(_ uiView: UITextField, context: Context) {
-        if context.coordinator.skipSettingTextOnNextUpdate {
-            context.coordinator.skipSettingTextOnNextUpdate = false
-        } else {
-            uiView.text = text
-        }
-        context.coordinator.maxLength = maxLength
-        context.coordinator.didChange = didChange
-        context.coordinator.didEndEditing = didEndEditing
-        context.coordinator.focusNextView = focusNextView
-        
-        if becomeFirstResponder?.wrappedValue == true {
-            DispatchQueue.main.async {
-                uiView.becomeFirstResponder()
-                becomeFirstResponder?.wrappedValue = false
-            }
-        }
-    }
-    
-    func makeCoordinator() -> Coordinator {
-        return Coordinator()
-    }
-    
-    class Coordinator: NSObject, UITextFieldDelegate, ComposeInput {
-        weak var textField: UITextField?
-        var text: Binding<String>!
-        // break retained cycle through ComposeUIState.currentInput
-        unowned var uiState: ComposeUIState!
-        var maxLength: Int?
-        var didChange: ((String) -> Void)?
-        var didEndEditing: (() -> Void)?
-        var focusNextView: Binding<Bool>?
-        
-        var skipSettingTextOnNextUpdate = false
-        
-        var toolbarElements: [ComposeUIState.ToolbarElement] {
-            [.emojiPicker]
-        }
-        
-        @objc func didChange(_ textField: UITextField) {
-            text.wrappedValue = textField.text ?? ""
-            didChange?(text.wrappedValue)
-        }
-        
-        @objc func returnKeyPressed() {
-            focusNextView?.wrappedValue = true
-        }
-        
-        func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
-            if let maxLength {
-                return ((textField.text ?? "") as NSString).replacingCharacters(in: range, with: string).count <= maxLength
-            } else {
-                return true
-            }
-        }
-        
-        func textFieldDidBeginEditing(_ textField: UITextField) {
-            uiState.currentInput = self
-            updateAutocompleteState(textField: textField)
-        }
-        
-        func textFieldDidEndEditing(_ textField: UITextField) {
-            uiState.currentInput = nil
-            updateAutocompleteState(textField: textField)
-            didEndEditing?()
-        }
-        
-        func textFieldDidChangeSelection(_ textField: UITextField) {
-            // see MainComposeTextView.Coordinator.textViewDidChangeSelection(_:)
-            skipSettingTextOnNextUpdate = true
-            self.updateAutocompleteState(textField: textField)
-        }
-        
-        func textField(_ textField: UITextField, editMenuForCharactersIn range: NSRange, suggestedActions: [UIMenuElement]) -> UIMenu? {
-            var actions = suggestedActions
-            if range.length == 0 {
-                actions.append(UIAction(title: "Insert Emoji", image: UIImage(systemName: "face.smiling"), handler: { [weak self] _ in
-                    self?.uiState.shouldEmojiAutocompletionBeginExpanded = true
-                    self?.beginAutocompletingEmoji()
-                }))
-            }
-            return UIMenu(children: actions)
-        }
-        
-        func beginAutocompletingEmoji() {
-            textField?.insertText(":")
-        }
-        
-        func applyFormat(_ format: StatusFormat) {
-        }
-        
-        func autocomplete(with string: String) {
-            guard let textField = textField,
-                  let text = textField.text,
-                  let selectedRange = textField.selectedTextRange,
-                  let lastWordStartIndex = findAutocompleteLastWord(textField: textField) else {
-                return
-            }
-            
-            let distanceToEnd = textField.offset(from: selectedRange.start, to: textField.endOfDocument)
-            
-            let selectedRangeStartUTF16 = textField.offset(from: textField.beginningOfDocument, to: selectedRange.start)
-            let characterBeforeCursorIndex = text.utf16.index(text.startIndex, offsetBy: selectedRangeStartUTF16)
-            
-            let insertSpace: Bool
-            if distanceToEnd > 0 {
-                let charAfterCursor = text[characterBeforeCursorIndex]
-                insertSpace = charAfterCursor != " " && charAfterCursor != "\n"
-            } else {
-                insertSpace = true
-            }
-            let string = insertSpace ? string + " " : string
-            
-            textField.text!.replaceSubrange(lastWordStartIndex..<characterBeforeCursorIndex, with: string)
-            self.didChange(textField)
-            self.updateAutocompleteState(textField: textField)
-            
-            // keep the cursor at the same position in the text, immediately after what was inserted
-            // if we inserted a space, move the cursor 1 farther so it's immediately after the pre-existing space
-            let insertSpaceOffset = insertSpace ? 0 : 1
-            let newCursorPosition = textField.position(from: textField.endOfDocument, offset: -distanceToEnd + insertSpaceOffset)!
-            textField.selectedTextRange = textField.textRange(from: newCursorPosition, to: newCursorPosition)
-        }
-        
-        private func updateAutocompleteState(textField: UITextField) {
-            guard let selectedRange = textField.selectedTextRange,
-                  let text = textField.text,
-                  let lastWordStartIndex = findAutocompleteLastWord(textField: textField) else {
-                uiState.autocompleteState = nil
-                return
-            }
-            
-            if lastWordStartIndex > text.startIndex {
-                let c = text[text.index(before: lastWordStartIndex)]
-                if isPermittedForAutocomplete(c) || c == ":" {
-                    uiState.autocompleteState = nil
-                    return
-                }
-            }
-            
-            let selectedRangeStartUTF16 = textField.offset(from: textField.beginningOfDocument, to: selectedRange.start)
-            let cursorIndex = text.utf16.index(text.startIndex, offsetBy: selectedRangeStartUTF16)
-
-            if lastWordStartIndex >= text.startIndex {
-                let lastWord = text[lastWordStartIndex..<cursorIndex]
-                let exceptFirst = lastWord[lastWord.index(after: lastWord.startIndex)...]
-                
-                if lastWord.first == ":" {
-                    uiState.autocompleteState = .emoji(String(exceptFirst))
-                } else {
-                    uiState.autocompleteState = nil
-                }
-            } else {
-                uiState.autocompleteState = nil
-            }
-        }
-        
-        private func isPermittedForAutocomplete(_ c: Character) -> Bool {
-            return (c >= "a" && c <= "z") || (c >= "A" && c <= "Z") || (c >= "0" && c <= "9") || c == "_"
-        }
-        
-        private func findAutocompleteLastWord(textField: UITextField) -> String.Index? {
-            guard textField.isFirstResponder,
-                  let selectedRange = textField.selectedTextRange,
-                  selectedRange.isEmpty,
-                  let text = textField.text,
-                  !text.isEmpty else {
-                return nil
-            }
-            
-            let selectedRangeStartUTF16 = textField.offset(from: textField.beginningOfDocument, to: selectedRange.start)
-            let cursorIndex = text.utf16.index(text.startIndex, offsetBy: selectedRangeStartUTF16)
-            
-            guard cursorIndex != text.startIndex else {
-                return nil
-            }
-            
-            var lastWordStartIndex = text.index(before: cursorIndex)
-            while true {
-                let c = text[lastWordStartIndex]
-                
-                if !isPermittedForAutocomplete(c) {
-                    break
-                }
-                
-                if lastWordStartIndex > text.startIndex {
-                    lastWordStartIndex = text.index(before: lastWordStartIndex)
-                } else {
-                    break
-                }
-            }
-            
-            return lastWordStartIndex
-        }
-    }
-    
-}

Tusker/Screens/Compose/ComposeHostingController.swift

@@ -2,277 +2,222 @@
 //  ComposeHostingController.swift
 //  Tusker
 //
-//  Created by Shadowfacts on 8/22/20.
+//  Created by Shadowfacts on 3/6/23.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
 //
 
 import SwiftUI
+import ComposeUI
 import Combine
-import Pachyderm
+import PhotosUI
 import PencilKit
+import Pachyderm
+import CoreData
 import Duckable
 
 protocol ComposeHostingControllerDelegate: AnyObject {
-    func dismissCompose(mode: ComposeUIState.DismissMode) -> Bool
+    func dismissCompose(mode: DismissMode) -> Bool
 }
 
-class ComposeHostingController: UIHostingController<ComposeHostingController.Wrapper>, DuckableViewController {
+class ComposeHostingController: UIHostingController<ComposeHostingController.View>, DuckableViewController {
     
     weak var delegate: ComposeHostingControllerDelegate?
     weak var duckableDelegate: DuckableViewControllerDelegate?
     
+    let controller: ComposeController
     let mastodonController: MastodonController
     
-    let uiState: ComposeUIState
+    private var assetPickerCompletion: (@MainActor ([PHPickerResult]) -> Void)?
+    private var drawingCompletion: ((PKDrawing) -> Void)?
     
-    var draft: Draft { uiState.draft }
+    init(draft: Draft?, mastodonController: MastodonController) {
-    
+        let draft = draft ?? mastodonController.createDraft()
-    private var cancellables = [AnyCancellable]()
+        DraftsManager.shared.add(draft)
-    
-    init(draft: Draft? = nil, mastodonController: MastodonController) {
-        self.mastodonController = mastodonController
-        let realDraft = draft ?? Draft(accountID: mastodonController.accountInfo!.id)
-        DraftsManager.shared.add(realDraft)
         
-        self.uiState = ComposeUIState(draft: realDraft)
+        self.controller = ComposeController(
-        
+            draft: draft,
-        let wrapper = Wrapper(
+            config: ComposeUIConfig(),
             mastodonController: mastodonController,
-            uiState: uiState
+            fetchAvatar: { await ImageCache.avatars.get($0).1 },
+            fetchStatus: { mastodonController.persistentContainer.status(for: $0) },
+            displayNameLabel: { AnyView(AccountDisplayNameLabel(account: $0, textStyle: $1, emojiSize: $2)) },
+            replyContentView: { AnyView(ComposeReplyContentView(status: $0, mastodonController: mastodonController, heightChanged: $1)) },
+            emojiImageView: { AnyView(CustomEmojiImageView(emoji: $0)) }
         )
-        super.init(rootView: wrapper)
+        controller.currentAccount = mastodonController.account
         
-        self.uiState.delegate = self
+        self.mastodonController = mastodonController
-        pasteConfiguration = UIPasteConfiguration(forAccepting: CompositionAttachment.self)
-        userActivity = UserActivityManager.newPostActivity(accountID: mastodonController.accountInfo!.id)
         
-        updateNavigationTitle(draft: uiState.draft)
+        super.init(rootView: View(mastodonController: mastodonController, controller: controller))
         
-        self.uiState.$draft
+        self.updateConfig()
-            .flatMap(\.objectWillChange)
-            .debounce(for: .milliseconds(250), scheduler: DispatchQueue.global(qos: .utility))
-            .sink {
-                DraftsManager.save()
-            }
-            .store(in: &cancellables)
         
-        self.uiState.$draft
+        pasteConfiguration = UIPasteConfiguration(forAccepting: ComposeUI.DraftAttachment.self)
-            .sink { [unowned self] draft in
+        
-                self.updateNavigationTitle(draft: draft)
+        NotificationCenter.default.addObserver(self, selector: #selector(updateConfig), name: .preferencesChanged, object: nil)
-            }
-            .store(in: &cancellables)
     }
     
     required init?(coder aDecoder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
     
-    private func updateNavigationTitle(draft: Draft) {
+    @objc private func updateConfig() {
-        if let id = draft.inReplyToID,
+        var config = ComposeUIConfig()
-           let status = mastodonController.persistentContainer.status(for: id) {
+        config.backgroundColor = .appBackground
-            navigationItem.title = "Reply to @\(status.account.acct)"
+        config.groupedBackgroundColor = .appGroupedBackground
-        } else {
+        config.groupedCellBackgroundColor = .appGroupedCellBackground
-            navigationItem.title = "New Post"
+        config.fillColor = .appFill
+        switch Preferences.shared.avatarStyle {
+        case .roundRect:
+            config.avatarStyle = .roundRect
+        case .circle:
+            config.avatarStyle = .circle
         }
-    }
-    
-    override func viewWillDisappear(_ animated: Bool) {
-        super.viewWillDisappear(animated)
         
-        if !draft.hasContent {
+        config.useTwitterKeyboard = Preferences.shared.useTwitterKeyboard
-            DraftsManager.shared.remove(draft)
+        config.contentType = Preferences.shared.statusContentType
+        config.automaticallySaveDrafts = Preferences.shared.automaticallySaveDrafts
+        config.requireAttachmentDescriptions = Preferences.shared.requireAttachmentDescriptions
+        
+        config.dismiss = { [unowned self] in self.dismiss(mode: $0) }
+        config.presentAssetPicker = { [unowned self] in self.presentAssetPicker(completion: $0) }
+        config.presentDrawing = { [unowned self] in self.presentDrawing($0, completion: $1) }
+        config.userActivityForDraft = { [unowned self] in
+            let activity = UserActivityManager.editDraftActivity(id: $0.id, accountID: self.mastodonController.accountInfo!.id)
+            activity.displaysAuxiliaryScene = true
+            return NSItemProvider(object: activity)
         }
-        DraftsManager.save()
+        
+        controller.config = config
     }
     
     override func canPaste(_ itemProviders: [NSItemProvider]) -> Bool {
-        guard itemProviders.allSatisfy({ $0.canLoadObject(ofClass: CompositionAttachment.self) }) else { return false }
+        return controller.canPaste(itemProviders: itemProviders)
-        if mastodonController.instanceFeatures.mastodonAttachmentRestrictions {
-            guard draft.attachments.allSatisfy({ $0.data.type == .image }) else { return false }
-            // todo: if providers are videos, this technically allows invalid video/image combinations
-            return itemProviders.count + draft.attachments.count <= 4
-        } else {
-            return true
-        }
     }
     
     override func paste(itemProviders: [NSItemProvider]) {
-        for provider in itemProviders where provider.canLoadObject(ofClass: CompositionAttachment.self) {
+        controller.paste(itemProviders: itemProviders)
-            provider.loadObject(ofClass: CompositionAttachment.self) { (object, error) in
+    }
-                guard let attachment = object as? CompositionAttachment else { return }
+    
-                DispatchQueue.main.async {
+    private func dismiss(mode: DismissMode) {
-                    self.draft.attachments.append(attachment)
+        if delegate?.dismissCompose(mode: mode) == true {
-                }
+            return
-            }
+        } else {
+            dismiss(animated: true)
+            duckableDelegate?.duckableViewControllerWillDismiss(animated: true)
         }
     }
     
-    override func accessibilityPerformEscape() -> Bool {
+    private func presentAssetPicker(completion: @MainActor @escaping ([PHPickerResult]) -> Void) {
-        dismissCompose(mode: .cancel)
+        self.assetPickerCompletion = completion
-        return true
+        
+        var config = PHPickerConfiguration()
+        config.selection = .ordered
+        config.selectionLimit = 0
+        config.preferredAssetRepresentationMode = .compatible
+        let picker = PHPickerViewController(configuration: config)
+        picker.delegate = self
+        picker.modalPresentationStyle = .pageSheet
+        picker.overrideUserInterfaceStyle = .dark
+        // sheet detents don't play nice with PHPickerViewController, see
+//        let sheet = picker.sheetPresentationController!
+//        sheet.detents = [.medium(), .large()]
+//        sheet.prefersEdgeAttachedInCompactHeight = true
+//        sheet.prefersGrabberVisible = true
+        present(picker, animated: true)
+    }
+    
+    private func presentDrawing(_ drawing: PKDrawing, completion: @escaping (PKDrawing) -> Void) {
+        self.drawingCompletion = completion
+        
+        present(ComposeDrawingNavigationController(editing: drawing, delegate: self), animated: true)
     }
     
     // MARK: Duckable
     
     func duckableViewControllerWillAnimateDuck(withDuration duration: CGFloat, afterDelay delay: CGFloat) {
         withAnimation(.linear(duration: duration).delay(delay)) {
-            uiState.isDucking = true
+            controller.showToolbar = false
         }
     }
     
     func duckableViewControllerDidFinishAnimatingDuck() {
-        uiState.isDucking = false
+        controller.showToolbar = true
     }
     
-    // MARK: Interaction
+    struct View: SwiftUI.View {
-    
-    @objc func cwButtonPressed() {
-        draft.contentWarningEnabled = !draft.contentWarningEnabled
-    }
-    
-    @objc func formatButtonPressed(_ sender: UIBarButtonItem) {
-        let format = StatusFormat.allCases[sender.tag]
-        uiState.currentInput?.applyFormat(format)
-    }
-    
-    @objc func emojiPickerButtonPressed() {
-        guard uiState.autocompleteState == nil else {
-            return
-        }
-        uiState.shouldEmojiAutocompletionBeginExpanded = true
-        uiState.currentInput?.beginAutocompletingEmoji()
-    }
-    
-    @objc func draftsButtonPresed() {
-        uiState.isShowingDraftsList = true
-    }
-    
-}
-
-extension ComposeHostingController {
-    struct Wrapper: View {
         let mastodonController: MastodonController
-        @ObservedObject var uiState: ComposeUIState
+        let controller: ComposeController
-        var draft: Draft {
-            uiState.draft
-        }
         
-        var body: some View {
+        var body: some SwiftUI.View {
-            ComposeView()
+            ControllerView(controller: { controller })
-                .environmentObject(mastodonController)
+                .task {
-                .environmentObject(uiState)
+                    if let account = try? await mastodonController.getOwnAccount() {
-                .environmentObject(draft)
+                        controller.currentAccount = account
+                    }
+                }
         }
     }
 }
 
-extension ComposeHostingController: ComposeUIStateDelegate {
+extension MastodonController: ComposeMastodonContext {
-    var assetPickerDelegate: AssetPickerViewControllerDelegate? { self }
+    @MainActor
-    
+    func searchCachedAccounts(query: String) -> [AccountProtocol] {
-    func dismissCompose(mode: ComposeUIState.DismissMode) {
+        // todo: there's got to be something more efficient than this :/
-        let dismissed = delegate?.dismissCompose(mode: mode) ?? false
+        let wildcardedQuery = query.map { "*\($0)" }.joined() + "*"
-        if !dismissed {
+        let request: NSFetchRequest<AccountMO> = AccountMO.fetchRequest()
-            self.dismiss(animated: true)
+        request.predicate = NSPredicate(format: "displayName LIKE[cd] %@ OR acct LIKE[cd] %@", wildcardedQuery, wildcardedQuery)
-            self.duckableDelegate?.duckableViewControllerWillDismiss(animated: true)
-        }
-    }
-    
-    func presentAssetPickerSheet() {
-        let picker = AssetPickerViewController()
-        picker.assetPickerDelegate = self
-        picker.modalPresentationStyle = .pageSheet
-        picker.overrideUserInterfaceStyle = .dark
-        let sheet = picker.sheetPresentationController!
-        sheet.detents = [.medium(), .large()]
-        sheet.prefersEdgeAttachedInCompactHeight = true
-        self.present(picker, animated: true)
-    }
-    
-    func presentComposeDrawing() {
-        let drawing: PKDrawing
         
-        if case let .edit(id) = uiState.composeDrawingMode,
+        if let results = try? persistentContainer.viewContext.fetch(request) {
-           let attachment = draft.attachments.first(where: { $0.id == id }),
+            return results
-           case let .drawing(existingDrawing) = attachment.data {
-            drawing = existingDrawing
         } else {
-            drawing = PKDrawing()
+            return []
         }
-        
-        present(ComposeDrawingNavigationController(editing: drawing, delegate: self), animated: true)
     }
     
-    func selectDraft(_ draft: Draft) {
+    @MainActor
-        if self.draft.hasContent {
+    func cachedRelationship(for accountID: String) -> RelationshipProtocol? {
-            DraftsManager.save()
+        return persistentContainer.relationship(forAccount: accountID)
-        } else {
+    }
-            DraftsManager.shared.remove(self.draft)
+    
+    @MainActor
+    func searchCachedHashtags(query: String) -> [Hashtag] {
+        let wildcardedQuery = query.map { "*\($0)" }.joined() + "*"
+        let predicate = NSPredicate(format: "name LIKE[cd] %@", wildcardedQuery)
+        let savedReq = SavedHashtag.fetchRequest(account: accountInfo!)
+        savedReq.predicate = predicate
+        let followedReq = FollowedHashtag.fetchRequest()
+        followedReq.predicate = predicate
+        
+        let saved = try? persistentContainer.viewContext.fetch(savedReq).map { Hashtag(name: $0.name, url: $0.url) }
+        let followed = try? persistentContainer.viewContext.fetch(followedReq).map { Hashtag(name: $0.name, url: $0.url) }
+        
+        var results = saved ?? []
+        if let followed {
+            results.append(contentsOf: followed)
         }
-        uiState.draft = draft
+        return results
-        uiState.isShowingDraftsList = false
     }
 }
 
-extension ComposeHostingController: AssetPickerViewControllerDelegate {
+extension ComposeHostingController: PHPickerViewControllerDelegate {
-    func assetPicker(_ assetPicker: AssetPickerViewController, shouldAllowAssetOfType type: CompositionAttachmentData.AttachmentType) -> Bool {
+    func picker(_ picker: PHPickerViewController, didFinishPicking results: [PHPickerResult]) {
-        if mastodonController.instanceFeatures.mastodonAttachmentRestrictions {
+        dismiss(animated: true)
-            if (type == .video && draft.attachments.count > 0) ||
+        
-                draft.attachments.contains(where: { $0.data.type == .video }) ||
+        assetPickerCompletion?(results)
-                assetPicker.currentCollectionSelectedAssets.contains(where: { $0.type == .video }) {
+        assetPickerCompletion = nil
-                return false
-            }
-            return draft.attachments.count + assetPicker.currentCollectionSelectedAssets.count < 4
-        } else {
-            return true
-        }
-    }
-    
-    func assetPicker(_ assetPicker: AssetPickerViewController, didSelectAttachments attachments: [CompositionAttachmentData]) {
-        let attachments = attachments.map {
-            CompositionAttachment(data: $0)
-        }
-        withAnimation {
-            draft.attachments.append(contentsOf: attachments)
-        }
-    }
-}
-
-// superseded by duckable stuff
-@available(iOS, obsoleted: 16.0)
-extension ComposeHostingController: UIAdaptivePresentationControllerDelegate {
-    func presentationControllerShouldDismiss(_ presentationController: UIPresentationController) -> Bool {
-        return Preferences.shared.automaticallySaveDrafts || !draft.hasContent
-    }
-    
-    func presentationControllerWillDismiss(_ presentationController: UIPresentationController) {
-        UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: self, for: nil)
-    }
-
-    func presentationControllerDidAttemptToDismiss(_ presentationController: UIPresentationController) {
-        uiState.isShowingSaveDraftSheet = true
-    }
-    
-    func presentationControllerDidDismiss(_ presentationController: UIPresentationController) {
-        DraftsManager.save()
     }
 }
 
 extension ComposeHostingController: ComposeDrawingViewControllerDelegate {
     func composeDrawingViewControllerClose(_ drawingController: ComposeDrawingViewController) {
         dismiss(animated: true)
+        drawingCompletion = nil
     }
     
     func composeDrawingViewController(_ drawingController: ComposeDrawingViewController, saveDrawing drawing: PKDrawing) {
-        switch uiState.composeDrawingMode {
-        case nil, .createNew:
-            let attachment = CompositionAttachment(data: .drawing(drawing))
-            draft.attachments.append(attachment)
-            
-        case let .edit(id):
-            let existing = draft.attachments.first { $0.id == id }
-            existing?.data = .drawing(drawing)
-        }
-        
         dismiss(animated: true)
+        drawingCompletion?(drawing)
+        drawingCompletion = nil
     }
 }

Tusker/Screens/Compose/ComposePollView.swift

@@ -1,231 +0,0 @@
-//
-//  ComposePollView.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 4/28/21.
-//  Copyright © 2021 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-
-struct ComposePollView: View {
-    private static let formatter: DateComponentsFormatter = {
-        let f = DateComponentsFormatter()
-        f.maximumUnitCount = 1
-        f.unitsStyle = .full
-        f.allowedUnits = [.weekOfMonth, .day, .hour, .minute]
-        return f
-    }()
-    
-    @ObservedObject var draft: Draft
-    @ObservedObject var poll: Draft.Poll
-    
-    @EnvironmentObject var mastodonController: MastodonController
-    @Environment(\.colorScheme) var colorScheme: ColorScheme
-    
-    @State private var duration: Duration
-    
-    init(draft: Draft, poll: Draft.Poll) {
-        self.draft = draft
-        self.poll = poll
-        
-        self._duration = State(initialValue: .fromTimeInterval(poll.duration) ?? .oneDay)
-    }
-    
-    private var canAddOption: Bool {
-        if let pollConfig = mastodonController.instance?.pollsConfiguration {
-            return poll.options.count < pollConfig.maxOptions
-        } else {
-            return true
-        }
-    }
-
-    var body: some View {
-        VStack {
-            HStack {
-                Text("Poll")
-                    .font(.headline)
-                
-                Spacer()
-                
-                Button(action: self.removePoll) {
-                    Image(systemName: "xmark")
-                        .imageScale(.small)
-                        .padding(4)
-                }
-                .accessibilityLabel("Remove poll")
-                .buttonStyle(.plain)
-                .accentColor(buttonForegroundColor)
-                .background(Circle().foregroundColor(buttonBackgroundColor))
-                .hoverEffect()
-            }
-            
-            List {
-                ForEach(Array(poll.options.enumerated()), id: \.element.id) { (e) in
-                    ComposePollOption(poll: poll, option: e.element, optionIndex: e.offset)
-                        .frame(height: 36)
-                        .listRowInsets(EdgeInsets(top: 4, leading: 0, bottom: 4, trailing: 0))
-                        .listRowSeparator(.hidden)
-                        .listRowBackground(Color.clear)
-                }
-                .onMove { indices, newIndex in
-                    poll.options.move(fromOffsets: indices, toOffset: newIndex)
-                }
-            }
-            .listStyle(.plain)
-            .frame(height: 44 * CGFloat(poll.options.count))
-            
-            Button(action: self.addOption) {
-                Label {
-                    Text("Add Option")
-                } icon: {
-                    Image(systemName: "plus")
-                        .foregroundColor(.accentColor)
-                }
-            }
-            .buttonStyle(.borderless)
-            .disabled(!canAddOption)
-            
-            HStack {
-                MenuPicker(selection: $poll.multiple, options: [
-                    .init(value: true, title: "Allow multiple"),
-                    .init(value: false, title: "Single choice"),
-                ])
-                .frame(maxWidth: .infinity)
-                
-                MenuPicker(selection: $duration, options: Duration.allCases.map {
-                    .init(value: $0, title: ComposePollView.formatter.string(from: $0.timeInterval)!)
-                })
-                .frame(maxWidth: .infinity)
-            }
-        }
-        .padding(8)
-        .background(
-            backgroundColor
-                .cornerRadius(10)
-        )
-        .onChange(of: duration, perform: { (value) in
-            poll.duration = value.timeInterval
-        })
-    }
-    
-    private var backgroundColor: Color {
-        // in light mode, .secondarySystemBackground has a blue-ish hue, which we don't want
-        colorScheme == .dark ? Color.appFill : Color(white: 0.95)
-    }
-    
-    private var buttonBackgroundColor: Color {
-        Color(white: colorScheme == .dark ? 0.1 : 0.8)
-    }
-    
-    private var buttonForegroundColor: Color {
-        Color(UIColor.label)
-    }
-    
-    private func removePoll() {
-        withAnimation {
-            self.draft.poll = nil
-        }
-    }
-    
-    private func addOption() {
-        poll.options.append(Draft.Poll.Option(""))
-    }
-}
-
-extension ComposePollView {
-    enum Duration: Hashable, Equatable, CaseIterable {
-        case fiveMinutes, thirtyMinutes, oneHour, sixHours, oneDay, threeDays, sevenDays
-        
-        static func fromTimeInterval(_ ti: TimeInterval) -> Duration? {
-            for it in allCases where it.timeInterval == ti {
-                return it
-            }
-            return nil
-        }
-        
-        var timeInterval: TimeInterval {
-            switch self {
-            case .fiveMinutes:
-                return 5 * 60
-            case .thirtyMinutes:
-                return 30 * 60
-            case .oneHour:
-                return 60 * 60
-            case .sixHours:
-                return 6 * 60 * 60
-            case .oneDay:
-                return 24 * 60 * 60
-            case .threeDays:
-                return 3 * 24 * 60 * 60
-            case .sevenDays:
-                return 7 * 24 * 60 * 60
-            }
-        }
-    }
-}
-
-struct ComposePollOption: View {
-    @ObservedObject var poll: Draft.Poll
-    @ObservedObject var option: Draft.Poll.Option
-    let optionIndex: Int
-    
-    @EnvironmentObject private var mastodonController: MastodonController
-    
-    var body: some View {
-        HStack(spacing: 4) {
-            Checkbox(radiusFraction: poll.multiple ? 0.1 : 0.5, borderWidth: 2)
-                .animation(.default, value: poll.multiple)
-            
-            textField
-            
-            Button(action: self.removeOption) {
-                Image(systemName: "minus.circle.fill")
-            }
-            .buttonStyle(.plain)
-            .foregroundColor(poll.options.count == 1 ? .gray : .red)
-            .disabled(poll.options.count == 1)
-            .hoverEffect()
-        }
-    }
-    
-    private var textField: some View {
-        var field = ComposeEmojiTextField(text: $option.text, placeholder: "Option \(optionIndex + 1)", maxLength: mastodonController.instance?.pollsConfiguration?.maxCharactersPerOption)
-        return field.backgroundColor(.appBackground)
-    }
-    
-    private func removeOption() {
-        poll.options.remove(at: optionIndex)
-    }
-    
-    struct Checkbox: View {
-        private let radiusFraction: CGFloat
-        private let size: CGFloat = 20
-        private let innerSize: CGFloat
-        
-        init(radiusFraction: CGFloat, borderWidth: CGFloat) {
-            self.radiusFraction = radiusFraction
-            self.innerSize = self.size - 2 * borderWidth
-        }
-        
-        var body: some View {
-            ZStack {
-                Rectangle()
-                    .foregroundColor(.gray)
-                    .frame(width: size, height: size)
-                    .cornerRadius(radiusFraction * size)
-                
-                Rectangle()
-                    .foregroundColor(Color(UIColor.appBackground))
-                    .frame(width: innerSize, height: innerSize)
-                    .cornerRadius(radiusFraction * innerSize)
-            }
-        }
-    }
-}
-
-//struct ComposePollView_Previews: PreviewProvider {
-//    static var previews: some View {
-//        ComposePollView()
-//    }
-//}

Tusker/Screens/Compose/ComposeReplyContentView.swift

@@ -7,26 +7,31 @@
 //
 
 import SwiftUI
+import Pachyderm
 
 struct ComposeReplyContentView: UIViewRepresentable {
     typealias UIViewType = ComposeReplyContentTextView
     
-    let status: StatusMO
+    let status: any StatusProtocol
-    
+    let mastodonController: MastodonController
-    @EnvironmentObject var mastodonController: MastodonController
     
     let heightChanged: (CGFloat) -> Void
     
     func makeUIView(context: Context) -> UIViewType {
         let view = ComposeReplyContentTextView()
-        view.overrideMastodonController = mastodonController
-        view.setTextFrom(status: status)
         view.isUserInteractionEnabled = false
         // scroll needs to be enabled, otherwise the text view never reports a contentSize greater than 1 line
         view.isScrollEnabled = true
         view.backgroundColor = .clear
         view.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
         
+        view.adjustsFontForContentSizeCategory = true
+        view.defaultFont = TimelineStatusCollectionViewCell.contentFont
+        view.monospaceFont = TimelineStatusCollectionViewCell.monospaceFont
+        
+        view.overrideMastodonController = mastodonController
+        view.setTextFrom(status: status)
+        
         return view
     }
     

Tusker/Screens/Compose/ComposeToolbar.swift

@@ -1,148 +0,0 @@
-//
-//  ComposeToolbar.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 11/12/22.
-//  Copyright © 2022 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-import Pachyderm
-
-struct ComposeToolbar: View {
-    static let height: CGFloat = 44
-    private static let visibilityOptions: [MenuPicker.Option] = Status.Visibility.allCases.map { vis in
-            .init(value: vis, title: vis.displayName, subtitle: vis.subtitle, image: UIImage(systemName: vis.unfilledImageName), accessibilityLabel: "Visibility: \(vis.displayName)")
-    }
-    
-    @ObservedObject var draft: Draft
-    
-    @EnvironmentObject private var uiState: ComposeUIState
-    @EnvironmentObject private var mastodonController: MastodonController
-    @ObservedObject private var preferences = Preferences.shared
-    @ScaledMetric(relativeTo: .body) private var imageSize: CGFloat = 22
-    @State private var minWidth: CGFloat?
-    @State private var realWidth: CGFloat?
-    
-    var body: some View {
-        ScrollView(.horizontal, showsIndicators: false) {
-            HStack(spacing: 0) {
-                Button("CW") {
-                    draft.contentWarningEnabled.toggle()
-                }
-                .accessibilityLabel(draft.contentWarningEnabled ? "Remove content warning" : "Add content warning")
-                .padding(5)
-                .hoverEffect()
-                
-                MenuPicker(selection: $draft.visibility, options: Self.visibilityOptions, buttonStyle: .iconOnly)
-//                    // the button has a bunch of extra space by default, but combined with what we add it's too much
-                    .padding(.horizontal, -8)
-                
-                if mastodonController.instanceFeatures.localOnlyPosts {
-                    MenuPicker(selection: $draft.localOnly, options: [
-                        .init(value: true, title: "Local-only", subtitle: "Only \(mastodonController.accountInfo!.instanceURL.host!)", image: UIImage(named: "link.broken")),
-                        .init(value: false, title: "Federated", image: UIImage(systemName: "link"))
-                    ], buttonStyle: .iconOnly)
-                    .padding(.horizontal, -8)
-                }
-                
-                if let currentInput = uiState.currentInput, currentInput.toolbarElements.contains(.emojiPicker) {
-                    Button(action: self.emojiPickerButtonPressed) {
-                        Label("Insert custom emoji", systemImage: "face.smiling")
-                    }
-                    .labelStyle(.iconOnly)
-                    .font(.system(size: imageSize))
-                    .padding(5)
-                    .hoverEffect()
-                    .transition(.opacity.animation(.linear(duration: 0.2)))
-                }
-                
-                if let currentInput = uiState.currentInput,
-                   currentInput.toolbarElements.contains(.formattingButtons),
-                   preferences.statusContentType != .plain {
-                    Spacer()
-                    
-                    ForEach(StatusFormat.allCases, id: \.rawValue) { format in
-                        Button(action: self.formatAction(format)) {
-                            if let imageName = format.imageName {
-                                Image(systemName: imageName)
-                                    .font(.system(size: imageSize))
-                            } else if let (str, attrs) = format.title {
-                                let container = try! AttributeContainer(attrs, including: \.uiKit)
-                                Text(AttributedString(str, attributes: container))
-                            }
-                        }
-                        .accessibilityLabel(format.accessibilityLabel)
-                        .padding(5)
-                        .hoverEffect()
-                        .transition(.opacity.animation(.linear(duration: 0.2)))
-                    }
-                }
-                
-                Spacer()
-            }
-            .padding(.horizontal, 16)
-            .frame(minWidth: minWidth)
-            .background(GeometryReader { proxy in
-                Color.clear
-                    .preference(key: ToolbarWidthPrefKey.self, value: proxy.size.width)
-                    .onPreferenceChange(ToolbarWidthPrefKey.self) { width in
-                        realWidth = width
-                    }
-            })
-        }
-        .scrollDisabledIfAvailable(realWidth ?? 0 <= minWidth ?? 0)
-        .frame(height: Self.height)
-        .frame(maxWidth: .infinity)
-        .background(.regularMaterial, ignoresSafeAreaEdges: .bottom)
-        .overlay(alignment: .top) {
-            Divider()
-        }
-        .background(GeometryReader { proxy in
-            Color.clear
-                .preference(key: ToolbarWidthPrefKey.self, value: proxy.size.width)
-                .onPreferenceChange(ToolbarWidthPrefKey.self) { width in
-                    minWidth = width
-                }
-        })
-    }
-    
-    private func emojiPickerButtonPressed() {
-        guard uiState.autocompleteState == nil else {
-            return
-        }
-        uiState.shouldEmojiAutocompletionBeginExpanded = true
-        uiState.currentInput?.beginAutocompletingEmoji()
-    }
-    
-    private func formatAction(_ format: StatusFormat) -> () -> Void {
-        {
-            uiState.currentInput?.applyFormat(format)
-        }
-    }
-}
-
-private struct ToolbarWidthPrefKey: PreferenceKey {
-    static var defaultValue: CGFloat? = nil
-    static func reduce(value: inout CGFloat?, nextValue: () -> CGFloat?) {
-        value = nextValue()
-    }
-}
-
-private extension View {
-    @available(iOS, obsoleted: 16.0)
-    @ViewBuilder
-    func scrollDisabledIfAvailable(_ disabled: Bool) -> some View {
-        if #available(iOS 16.0, *) {
-            self.scrollDisabled(disabled)
-        } else {
-            self
-        }
-    }
-}
-
-struct ComposeToolbar_Previews: PreviewProvider {
-    static var previews: some View {
-        ComposeToolbar(draft: Draft(accountID: ""))
-    }
-}

Tusker/Screens/Compose/ComposeUIState.swift

@@ -1,80 +0,0 @@
-//
-//  ComposeUIState.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 8/24/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-
-protocol ComposeUIStateDelegate: AnyObject {
-    var assetPickerDelegate: AssetPickerViewControllerDelegate? { get }
-    
-    func dismissCompose(mode: ComposeUIState.DismissMode)
-    // @available(iOS, obsoleted: 16.0)
-    func presentAssetPickerSheet()
-    func presentComposeDrawing()
-    func selectDraft(_ draft: Draft)
-    func paste(itemProviders: [NSItemProvider])
-}
-
-class ComposeUIState: ObservableObject {
-    
-    weak var delegate: ComposeUIStateDelegate?
-    
-    @Published var draft: Draft
-    @Published var isShowingSaveDraftSheet = false
-    @Published var isShowingDraftsList = false
-    @Published var attachmentsMissingDescriptions = Set<UUID>()
-    @Published var autocompleteState: AutocompleteState? = nil
-    @Published var isDucking = false
-    
-    var composeDrawingMode: ComposeDrawingMode?
-    
-    var shouldEmojiAutocompletionBeginExpanded = false
-    @Published var currentInput: ComposeInput?
-    
-    init(draft: Draft) {
-        self.draft = draft
-    }
-    
-}
-
-extension ComposeUIState {
-    enum ComposeDrawingMode {
-        case createNew
-        case edit(id: UUID)
-    }
-}
-
-extension ComposeUIState {
-    enum AutocompleteState: Equatable {
-        case mention(String)
-        case emoji(String)
-        case hashtag(String)
-    }
-}
-
-extension ComposeUIState {
-    enum DismissMode {
-        case cancel, post
-    }
-}
-
-protocol ComposeInput: AnyObject {
-    var toolbarElements: [ComposeUIState.ToolbarElement] { get }
-    
-    func autocomplete(with string: String)
-    
-    func applyFormat(_ format: StatusFormat)
-    
-    func beginAutocompletingEmoji()
-}
-
-extension ComposeUIState {
-    enum ToolbarElement {
-        case emojiPicker
-        case formattingButtons
-    }
-}

Tusker/Screens/Compose/ComposeView.swift

@@ -1,375 +0,0 @@
-//
-//  ComposeView.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 8/18/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-import Pachyderm
-import Combine
-
-@propertyWrapper struct OptionalStateObject<T: ObservableObject>: DynamicProperty {
-    private class Republisher: ObservableObject {
-        var cancellable: AnyCancellable?
-        var wrapped: T? {
-            didSet {
-                cancellable?.cancel()
-                cancellable = wrapped?.objectWillChange
-                    .receive(on: RunLoop.main)
-                    .sink { [unowned self] _ in
-                        self.objectWillChange.send()
-                    }
-            }
-        }
-    }
-    
-    @StateObject private var republisher = Republisher()
-    @State private var object: T?
-    var wrappedValue: T? {
-        get {
-            object
-        }
-        nonmutating set {
-            object = newValue
-        }
-    }
-    
-    func update() {
-        republisher.wrapped = wrappedValue
-    }
-}
-
-struct ComposeView: View {
-    @EnvironmentObject var mastodonController: MastodonController
-    @EnvironmentObject var uiState: ComposeUIState
-    @EnvironmentObject var draft: Draft
-    
-    @State private var globalFrameOutsideList: CGRect = .zero
-    @State private var contentWarningBecomeFirstResponder = false
-    @State private var mainComposeTextViewBecomeFirstResponder = false
-    @StateObject private var keyboardReader = KeyboardReader()
-    
-    @OptionalStateObject private var poster: PostService?
-    @State private var isShowingPostErrorAlert = false
-    @State private var postError: PostService.Error?
-    private var isPosting: Bool {
-        poster != nil
-    }
-    
-    private let stackPadding: CGFloat = 8
-    
-    private var charactersRemaining: Int {
-        let limit = mastodonController.instanceFeatures.maxStatusChars
-        let cwCount = draft.contentWarningEnabled ? draft.contentWarning.count : 0
-        return limit - (cwCount + CharacterCounter.count(text: draft.text, for: mastodonController.instance))
-    }
-    
-    private var requiresAttachmentDescriptions: Bool {
-        guard Preferences.shared.requireAttachmentDescriptions else { return false }
-        let attachmentIds = draft.attachments.map(\.id)
-        return attachmentIds.contains { uiState.attachmentsMissingDescriptions.contains($0) }
-    }
-    
-    private var validAttachmentCombination: Bool {
-        if !mastodonController.instanceFeatures.mastodonAttachmentRestrictions {
-            return true
-        } else if draft.attachments.contains(where: { $0.data.type == .video }) && draft.attachments.count > 1 {
-            return false
-        } else if draft.attachments.count > 4 {
-            return false
-        }
-        return true
-    }
-    
-    private var postButtonEnabled: Bool {
-        draft.hasContent
-        && charactersRemaining >= 0
-        && !isPosting
-        && !requiresAttachmentDescriptions
-        && validAttachmentCombination
-        && (draft.poll == nil || draft.poll!.options.allSatisfy { !$0.text.isEmpty })
-    }
-    
-    var body: some View {
-        ZStack(alignment: .top) {
-            // just using .background doesn't work; for some reason it gets inset immediately after the software keyboard is dismissed
-            Color.appBackground
-                .edgesIgnoringSafeArea(.all)
-            
-            mainList
-                .scrollDismissesKeyboardInteractivelyIfAvailable()
-            
-            if let poster = poster {
-                // can't use SwiftUI.ProgressView because there's no UIProgressView.Style.bar equivalent, see FB8587149
-                WrappedProgressView(value: poster.currentStep, total: poster.totalSteps)
-            }
-        }
-        .safeAreaInset(edge: .bottom, spacing: 0) {
-            if !uiState.isDucking {
-                VStack(spacing: 0) {
-                    autocompleteSuggestions
-                        .transition(.move(edge: .bottom))
-                        .animation(.default, value: uiState.autocompleteState)
-                    
-                    ComposeToolbar(draft: draft)
-                }
-                // on iPadOS15, the toolbar ends up below the keyboard's toolbar without this
-                .padding(.bottom, keyboardInset)
-                .transition(.move(edge: .bottom))
-            }
-        }
-        .background(GeometryReader { proxy in
-            Color.clear
-                .preference(key: GlobalFrameOutsideListPrefKey.self, value: proxy.frame(in: .global))
-                .onPreferenceChange(GlobalFrameOutsideListPrefKey.self) { frame in
-                    globalFrameOutsideList = frame
-                }
-        })
-        .sheet(isPresented: $uiState.isShowingDraftsList) {
-            DraftsRepresentable(currentDraft: draft, mastodonController: mastodonController)
-        }
-        .actionSheet(isPresented: $uiState.isShowingSaveDraftSheet, content: self.saveAndCloseSheet)
-        .alert(isPresented: $isShowingPostErrorAlert) {
-            Alert(
-                title: Text("Error Posting Status"),
-                message: Text(postError?.localizedDescription ?? ""),
-                dismissButton: .default(Text("OK"))
-            )
-        }
-        .toolbar {
-            ToolbarItem(placement: .cancellationAction) { cancelButton }
-            ToolbarItem(placement: .confirmationAction) { postButton }
-        }
-    }
-    
-    @available(iOS, obsoleted: 16.0)
-    private var keyboardInset: CGFloat {
-        if #unavailable(iOS 16.0),
-           UIDevice.current.userInterfaceIdiom == .pad,
-           keyboardReader.isVisible {
-            return 44
-        } else {
-            return 0
-        }
-    }
-    
-    @ViewBuilder
-    private var autocompleteSuggestions: some View {
-        if let state = uiState.autocompleteState {
-            ComposeAutocompleteView(autocompleteState: state)
-        }
-    }
-    
-    private var mainList: some View {
-        List {
-            if let id = draft.inReplyToID,
-               let status = mastodonController.persistentContainer.status(for: id) {
-                ComposeReplyView(
-                    status: status,
-                    rowTopInset: 8,
-                    globalFrameOutsideList: globalFrameOutsideList
-                )
-                .listRowInsets(EdgeInsets(top: 8, leading: 8, bottom: 4, trailing: 8))
-                .listRowSeparator(.hidden)
-                .listRowBackground(Color.appBackground)
-            }
-            
-            header
-                .listRowInsets(EdgeInsets(top: draft.inReplyToID == nil ? 8 : 4, leading: 8, bottom: 4, trailing: 8))
-                .listRowSeparator(.hidden)
-                .listRowBackground(Color.appBackground)
-            
-            if uiState.draft.contentWarningEnabled {
-                ComposeEmojiTextField(
-                    text: $uiState.draft.contentWarning,
-                    placeholder: "Write your warning here",
-                    becomeFirstResponder: $contentWarningBecomeFirstResponder,
-                    focusNextView: $mainComposeTextViewBecomeFirstResponder
-                )
-                    .listRowInsets(EdgeInsets(top: 4, leading: 8, bottom: 4, trailing: 8))
-                    .listRowSeparator(.hidden)
-                    .listRowBackground(Color.appBackground)
-            }
-            
-            MainComposeTextView(
-                draft: draft,
-                becomeFirstResponder: $mainComposeTextViewBecomeFirstResponder
-            )
-                .listRowInsets(EdgeInsets(top: 4, leading: 8, bottom: 4, trailing: 8))
-                .listRowSeparator(.hidden)
-                .listRowBackground(Color.appBackground)
-            
-            if let poll = draft.poll {
-                ComposePollView(draft: draft, poll: poll)
-                    .listRowInsets(EdgeInsets(top: 4, leading: 8, bottom: 4, trailing: 8))
-                    .listRowSeparator(.hidden)
-                    .listRowBackground(Color.appBackground)
-            }
-            
-            ComposeAttachmentsList(
-                draft: draft
-            )
-            .listRowInsets(EdgeInsets(top: 4, leading: 8, bottom: 8, trailing: 8))
-            .listRowBackground(Color.appBackground)
-        }
-        .animation(.default, value: draft.poll?.options.count)
-        .scrollDismissesKeyboardInteractivelyIfAvailable()
-        .listStyle(.plain)
-        .disabled(isPosting)
-        .onChange(of: draft.contentWarningEnabled) { newValue in
-            if newValue {
-                contentWarningBecomeFirstResponder = true
-            }
-        }
-    }
-    
-    private var header: some View {
-        HStack(alignment: .top) {
-            ComposeCurrentAccount()
-                .accessibilitySortPriority(1)
-            
-            Spacer()
-            
-            Text(verbatim: charactersRemaining.description)
-                .foregroundColor(charactersRemaining < 0 ? .red : .secondary)
-                .font(Font.body.monospacedDigit())
-                .accessibility(label: Text(charactersRemaining < 0 ? "\(-charactersRemaining) characters too many" : "\(charactersRemaining) characters remaining"))
-                // this should come first, so VO users can back to it from the main compose text view
-                .accessibilitySortPriority(0)
-        }.frame(height: 50)
-    }
-    
-    private var cancelButton: some View {
-        Button(action: self.cancel) {
-            Text("Cancel")
-                // otherwise all Buttons in the nav bar are made semibold
-                .font(.system(size: 17, weight: .regular))
-        }
-    }
-    
-    @ViewBuilder
-    private var postButton: some View {
-        if draft.hasContent {
-            Button {
-                Task {
-                    await self.postStatus()
-                }
-            } label: {
-                Text("Post")
-            }
-            .keyboardShortcut(.return, modifiers: .command)
-            .disabled(!postButtonEnabled)
-        } else {
-            Button {
-                uiState.isShowingDraftsList = true
-            } label: {
-                Text("Drafts")
-            }
-        }
-    }
-    
-    private func cancel() {
-        if Preferences.shared.automaticallySaveDrafts {
-            // draft is already stored in drafts manager, drafts manager is saved by ComposeHostingController.viewWillDisappear
-            uiState.delegate?.dismissCompose(mode: .cancel)
-        } else {
-            // if the draft doesn't have content, it doesn't need to be saved
-            if draft.hasContent {
-                uiState.isShowingSaveDraftSheet = true
-            } else {
-                DraftsManager.shared.remove(draft)
-                uiState.delegate?.dismissCompose(mode: .cancel)
-            }
-        }
-    }
-    
-    private func saveAndCloseSheet() -> ActionSheet {
-        ActionSheet(title: Text("Do you want to save the current post as a draft?"), buttons: [
-            .default(Text("Save Draft"), action: {
-                // draft is already stored in drafts manager, drafts manager is saved by ComposeHostingController.viewWillDisappear
-                uiState.isShowingSaveDraftSheet = false
-                uiState.delegate?.dismissCompose(mode: .cancel)
-            }),
-            .destructive(Text("Delete Draft"), action: {
-                DraftsManager.shared.remove(draft)
-                uiState.isShowingSaveDraftSheet = false
-                uiState.delegate?.dismissCompose(mode: .cancel)
-            }),
-            .cancel(),
-        ])
-    }
-    
-    private func postStatus() async {
-        guard !isPosting,
-              draft.hasContent else {
-            return
-        }
-        
-        let poster = PostService(mastodonController: mastodonController, draft: draft)
-        self.poster = poster
-        
-        do {
-            try await poster.post()
-            
-            // wait .25 seconds so the user can see the progress bar has completed
-            try? await Task.sleep(nanoseconds: 250_000_000)
-            
-            uiState.delegate?.dismissCompose(mode: .post)
-            
-        } catch let error as PostService.Error {
-            self.isShowingPostErrorAlert = true
-            self.postError = error
-        } catch {
-            fatalError("Unreachable")
-        }
-        
-        self.poster = nil
-    }
-}
-
-extension View {
-    @available(iOS, obsoleted: 16.0)
-    @ViewBuilder
-    func scrollDismissesKeyboardInteractivelyIfAvailable() -> some View {
-        if #available(iOS 16.0, *) {
-            self.scrollDismissesKeyboard(.interactively)
-        } else {
-            self
-        }
-    }
-}
-
-private struct GlobalFrameOutsideListPrefKey: PreferenceKey {
-    static var defaultValue: CGRect = .zero
-    static func reduce(value: inout CGRect, nextValue: () -> CGRect) {
-        value = nextValue()
-    }
-}
-
-@available(iOS, obsoleted: 16.0)
-private class KeyboardReader: ObservableObject {
-    @Published var isVisible = false
-    
-    init() {
-        NotificationCenter.default.addObserver(self, selector: #selector(willShow), name: UIResponder.keyboardWillShowNotification, object: nil)
-        NotificationCenter.default.addObserver(self, selector: #selector(willHide), name: UIResponder.keyboardWillHideNotification, object: nil)
-    }
-    
-    @objc func willShow(_ notification: Foundation.Notification) {
-        // when a hardware keyboard is connected, the height is very short, so we don't consider that being "visible"
-        let endFrame = notification.userInfo![UIResponder.keyboardFrameEndUserInfoKey] as! CGRect
-        isVisible = endFrame.height > 72
-    }
-    
-    @objc func willHide() {
-        isVisible = false
-    }
-}
-
-//struct ComposeView_Previews: PreviewProvider {
-//    static var previews: some View {
-//        ComposeView()
-//    }
-//}

Tusker/Screens/Compose/DraftsView.swift

@@ -1,144 +0,0 @@
-//
-//  DraftsView.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 11/9/22.
-//  Copyright © 2022 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-
-@available(iOS, obsoleted: 16.0)
-struct DraftsRepresentable: UIViewControllerRepresentable {
-    typealias UIViewControllerType = UIHostingController<DraftsView>
-    
-    let currentDraft: Draft
-    let mastodonController: MastodonController
-    
-    func makeUIViewController(context: Context) -> UIHostingController<DraftsView> {
-        return UIHostingController(rootView: DraftsView(currentDraft: currentDraft, mastodonController: mastodonController))
-    }
-    
-    func updateUIViewController(_ uiViewController: UIHostingController<DraftsView>, context: Context) {
-    }
-}
-
-struct DraftsView: View {
-    let currentDraft: Draft
-    // don't pass this in via the environment b/c it crashes on macOS (at least, in Designed for iPad mode) since the environment doesn't get propagated through the modal popup window or something
-    let mastodonController: MastodonController
-    @EnvironmentObject var uiState: ComposeUIState
-    @StateObject private var draftsManager = DraftsManager.shared
-    @State private var draftForDifferentReply: Draft?
-    
-    private var visibleDrafts: [Draft] {
-        draftsManager.sorted.filter {
-            $0.accountID == mastodonController.accountInfo!.id && $0.id != currentDraft.id
-        }
-    }
-    
-    var body: some View {
-        NavigationView {
-            List {
-                ForEach(visibleDrafts) { draft in
-                    Button {
-                        maybeSelectDraft(draft)
-                    } label: {
-                        DraftView(draft: draft)
-                    }
-                    .contextMenu {
-                        Button(role: .destructive) {
-                            draftsManager.remove(draft)
-                        } label: {
-                            Label("Delete Draft", systemImage: "trash")
-                        }
-                    }
-                    .onDrag {
-                        let activity = UserActivityManager.editDraftActivity(id: draft.id, accountID: mastodonController.accountInfo!.id)
-                        activity.displaysAuxiliaryScene = true
-                        return NSItemProvider(object: activity)
-                    }
-                }
-                .onDelete { indices in
-                    indices
-                        .map { visibleDrafts[$0] }
-                        .forEach { draftsManager.remove($0) }
-                }
-                .appGroupedListRowBackground()
-            }
-            .listStyle(.plain)
-            .appGroupedListBackground(container: DraftsRepresentable.UIViewControllerType.self)
-            .navigationTitle(Text("Drafts"))
-            .navigationBarTitleDisplayMode(.inline)
-            .toolbar {
-                ToolbarItem(placement: .cancellationAction) {
-                    Button("Cancel") {
-                        uiState.isShowingDraftsList = false
-                    }
-                }
-            }
-        }
-        .alertWithData("Different Reply", data: $draftForDifferentReply) { draft in
-            Button("Cancel", role: .cancel) {
-                draftForDifferentReply = nil
-            }
-            Button("Restore Draft") {
-                uiState.delegate?.selectDraft(draft)
-            }
-        } message: { draft in
-            Text("The selected draft is a reply to a different post, do you wish to use it?")
-        }
-    }
-    
-    private func maybeSelectDraft(_ draft: Draft) {
-        if draft.inReplyToID != currentDraft.inReplyToID,
-           currentDraft.hasContent {
-            draftForDifferentReply = draft
-        } else {
-            uiState.delegate?.selectDraft(draft)
-        }
-    }
-}
-
-struct DraftView: View {
-    @ObservedObject private var draft: Draft
-    
-    init(draft: Draft) {
-        self._draft = ObservedObject(wrappedValue: draft)
-    }
-    
-    var body: some View {
-        HStack {
-            VStack(alignment: .leading) {
-                if draft.contentWarningEnabled {
-                    Text(draft.contentWarning)
-                        .font(.body.bold())
-                        .foregroundColor(.secondary)
-                }
-                
-                Text(draft.text)
-                    .font(.body)
-                
-                HStack(spacing: 8) {
-                    ForEach(draft.attachments) { attachment in
-                        ComposeAttachmentImage(attachment: attachment, fullSize: false)
-                            .frame(width: 50, height: 50)
-                            .cornerRadius(5)
-                    }
-                }
-            }
-            
-            Spacer()
-            
-            Text(draft.lastModified.timeAgoString())
-                .font(.body)
-                .foregroundColor(.secondary)
-        }
-    }
-}
-
-//struct DraftsView_Previews: PreviewProvider {
-//    static var previews: some View {
-//        DraftsView(currentDraft: Draft(accountID: ""))
-//    }
-//}

Tusker/Screens/Compose/MainComposeTextView.swift

@@ -1,443 +0,0 @@
-//
-//  MainComposeTextView.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 8/29/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import SwiftUI
-import Pachyderm
-
-struct MainComposeTextView: View, PlaceholderViewProvider {
-    @ObservedObject var draft: Draft
-    @State private var placeholder: PlaceholderView = Self.placeholderView()
-    
-    let minHeight: CGFloat = 150
-    @State private var height: CGFloat?
-    @Binding var becomeFirstResponder: Bool
-    @State private var hasFirstAppeared = false
-    @ScaledMetric private var fontSize = 20
-    @Environment(\.colorScheme) private var colorScheme
-    
-    var body: some View {
-        ZStack(alignment: .topLeading) {
-            colorScheme == .dark ? Color.appFill : Color(uiColor: .secondarySystemBackground)
-            
-            if draft.text.isEmpty {
-                placeholder
-                    .font(.system(size: fontSize))
-                    .foregroundColor(.secondary)
-                    .offset(x: 4, y: 8)
-                    .accessibilityHidden(true)
-            }
-            
-            MainComposeWrappedTextView(
-                text: $draft.text,
-                visibility: draft.visibility,
-                becomeFirstResponder: $becomeFirstResponder
-            ) { (textView) in
-                self.height = max(textView.contentSize.height, minHeight)
-            }
-        }
-        .frame(height: height ?? minHeight)
-        .onAppear {
-            if !hasFirstAppeared {
-                hasFirstAppeared = true
-                becomeFirstResponder = true
-            }
-        }
-    }
-    
-    @ViewBuilder
-    static func placeholderView() -> some View {
-        let components = Calendar.current.dateComponents([.month, .day], from: Date())
-        if components.month == 3 && components.day == 14,
-           Date().formatted(date: .numeric, time: .omitted).starts(with: "3") {
-            Text("Happy π day!")
-        } else if components.month == 4 && components.day == 1 {
-            Text("April Fool's!").rotationEffect(.radians(.pi), anchor: .center)
-        } else if components.month == 9 && components.day == 5 {
-            // https://weirder.earth/@noracodes/109276419847254552
-            // https://retrocomputing.stackexchange.com/questions/14763/what-warning-was-given-on-attempting-to-post-to-usenet-circa-1990
-            Text("This program posts news to thousands of machines throughout the entire populated world. Please be sure you know what you are doing.").italic()
-        } else if components.month == 9 && components.day == 21 {
-            Text("Do you remember?")
-        } else if components.month == 10 && components.day == 31 {
-            if .random() {
-                Text("Post something spooky!")
-            } else {
-                Text("Any questions?")
-            }
-        } else {
-            Text("What's on your mind?")
-        }
-    }
-}
-
-// exists to provide access to the type alias since the @State property needs it to be explicit
-private protocol PlaceholderViewProvider {
-    associatedtype PlaceholderView: View
-    @ViewBuilder
-    static func placeholderView() -> PlaceholderView
-}
-
-struct MainComposeWrappedTextView: UIViewRepresentable {
-    typealias UIViewType = UITextView
-    
-    @Binding var text: String
-    let visibility: Status.Visibility
-    @Binding var becomeFirstResponder: Bool
-    var textDidChange: (UITextView) -> Void
-    
-    @EnvironmentObject var uiState: ComposeUIState
-    @EnvironmentObject var mastodonController: MastodonController
-    @ObservedObject var preferences = Preferences.shared
-    @Environment(\.isEnabled) var isEnabled: Bool
-    
-    func makeUIView(context: Context) -> UITextView {
-        let textView = WrappedTextView(uiState: uiState)
-        textView.delegate = context.coordinator
-        textView.isEditable = true
-        textView.backgroundColor = .clear
-        textView.font = UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 20))
-        textView.adjustsFontForContentSizeCategory = true
-        textView.textContainer.lineBreakMode = .byWordWrapping
-        context.coordinator.textView = textView
-        return textView
-    }
-    
-    func updateUIView(_ uiView: UITextView, context: Context) {
-        if context.coordinator.skipSettingTextOnNextUpdate {
-            context.coordinator.skipSettingTextOnNextUpdate = false
-        } else {
-            context.coordinator.skipNextAutocompleteUpdate = true
-            uiView.text = text
-        }
-        
-        uiView.isEditable = isEnabled
-        uiView.keyboardType = preferences.useTwitterKeyboard ? .twitter : .default
-        
-        context.coordinator.text = $text
-        context.coordinator.didChange = textDidChange
-        context.coordinator.uiState = uiState
-        
-        // wait until the next runloop iteration so that SwiftUI view updates have finished and
-        // the text view knows its new content size
-        DispatchQueue.main.async {
-            self.textDidChange(uiView)
-            
-            if becomeFirstResponder {
-                // calling becomeFirstResponder during the SwiftUI update causes a crash on iOS 13
-                uiView.becomeFirstResponder()
-                // can't update @State vars during the SwiftUI update
-                becomeFirstResponder = false
-            }
-        }
-    }
-    
-    func makeCoordinator() -> Coordinator {
-        return Coordinator(text: $text, uiState: uiState, didChange: textDidChange)
-    }
-    
-    class WrappedTextView: UITextView {
-        private let formattingActions = [#selector(toggleBoldface(_:)), #selector(toggleItalics(_:))]
-        unowned var uiState: ComposeUIState
-        
-        init(uiState: ComposeUIState) {
-            self.uiState = uiState
-            super.init(frame: .zero, textContainer: nil)
-        }
-        
-        required init?(coder: NSCoder) {
-            fatalError("init(coder:) has not been implemented")
-        }
-        
-        override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
-            if formattingActions.contains(action) {
-                return Preferences.shared.statusContentType != .plain
-            }
-            
-            return super.canPerformAction(action, withSender: sender)
-        }
-        
-        override func toggleBoldface(_ sender: Any?) {
-            (delegate as! Coordinator).applyFormat(.bold)
-        }
-        
-        override func toggleItalics(_ sender: Any?) {
-            (delegate as! Coordinator).applyFormat(.italics)
-        }
-        
-        override func validate(_ command: UICommand) {
-            super.validate(command)
-            
-            if formattingActions.contains(command.action),
-               Preferences.shared.statusContentType != .plain {
-                command.attributes.remove(.disabled)
-            }
-        }
-        
-        override func paste(_ sender: Any?) {
-            // we deliberately exclude the other CompositionAttachment readable type identifiers, because that's too overzealous with the conversion
-            // and things like URLs end up pasting as attachments
-            if UIPasteboard.general.contains(pasteboardTypes: UIImage.readableTypeIdentifiersForItemProvider) {
-                uiState.delegate?.paste(itemProviders: UIPasteboard.general.itemProviders)
-            } else {
-                super.paste(sender)
-            }
-        }
-        
-    }
-    
-    class Coordinator: NSObject, UITextViewDelegate, ComposeInput, ComposeTextViewCaretScrolling {
-        weak var textView: UITextView?
-        var text: Binding<String>
-        var didChange: (UITextView) -> Void
-        // break retained cycle through ComposeUIState.currentInput
-        unowned var uiState: ComposeUIState
-        var caretScrollPositionAnimator: UIViewPropertyAnimator?
-        
-        var skipSettingTextOnNextUpdate = false
-        var skipNextAutocompleteUpdate = false
-        
-        var toolbarElements: [ComposeUIState.ToolbarElement] {
-            [.emojiPicker, .formattingButtons]
-        }
-        
-        init(text: Binding<String>, uiState: ComposeUIState, didChange: @escaping (UITextView) -> Void) {
-            self.text = text
-            self.didChange = didChange
-            self.uiState = uiState
-            
-            super.init()
-            
-            NotificationCenter.default.addObserver(self, selector: #selector(keyboardDidShow), name: UIResponder.keyboardDidShowNotification, object: nil)
-        }
-        
-        @objc private func keyboardDidShow() {
-            guard let textView,
-                  textView.isFirstResponder else { return }
-            ensureCursorVisible(textView: textView)
-        }
-        
-        func textViewDidChange(_ textView: UITextView) {
-            text.wrappedValue = textView.text
-            didChange(textView)
-            
-            ensureCursorVisible(textView: textView)
-        }
-        
-        func applyFormat(_ format: StatusFormat) {
-            guard let textView = textView,
-                  textView.isFirstResponder,
-                  let insertionResult = format.insertionResult else {
-                return
-            }
-            
-            let currentSelectedRange = textView.selectedRange
-            if currentSelectedRange.length == 0 {
-                textView.insertText(insertionResult.prefix + insertionResult.suffix)
-                textView.selectedRange = NSRange(location: currentSelectedRange.location + insertionResult.insertionPoint, length: 0)
-            } else {
-                let start = textView.text.index(textView.text.startIndex, offsetBy: currentSelectedRange.lowerBound)
-                let end = textView.text.index(textView.text.startIndex, offsetBy: currentSelectedRange.upperBound)
-                let selectedText = textView.text[start..<end]
-                textView.insertText(String(insertionResult.prefix + selectedText + insertionResult.suffix))
-                textView.selectedRange = NSRange(location: currentSelectedRange.location + insertionResult.prefix.utf16.count, length: currentSelectedRange.length)
-            }
-        }
-        
-        func textViewDidBeginEditing(_ textView: UITextView) {
-            uiState.currentInput = self
-            updateAutocompleteState()
-        }
-        
-        func textViewDidEndEditing(_ textView: UITextView) {
-            uiState.currentInput = nil
-            updateAutocompleteState()
-        }
-        
-        func textViewDidChangeSelection(_ textView: UITextView) {
-            // Setting the text view's text causes it to move the cursor to the end (though only
-            // when the text contains an emoji :/), so skip setting the text on the next SwiftUI update
-            // that's triggered by setting the autocomplete state.
-            skipSettingTextOnNextUpdate = true
-            self.updateAutocompleteState()
-        }
-        
-        func textView(_ textView: UITextView, editMenuForTextIn range: NSRange, suggestedActions: [UIMenuElement]) -> UIMenu? {
-            var actions = suggestedActions
-            if Preferences.shared.statusContentType != .plain,
-               let index = suggestedActions.firstIndex(where: { ($0 as? UIMenu)?.identifier.rawValue == "com.apple.menu.format" }) {
-                if range.length > 0 {
-                    let formatMenu = suggestedActions[index] as! UIMenu
-                    let newFormatMenu = formatMenu.replacingChildren(StatusFormat.allCases.map { fmt in
-                        var image: UIImage?
-                        if let imageName = fmt.imageName {
-                            image = UIImage(systemName: imageName)
-                        }
-                        return UIAction(title: fmt.accessibilityLabel, image: image) { [weak self] _ in
-                            self?.applyFormat(fmt)
-                        }
-                    })
-                    actions[index] = newFormatMenu
-                } else {
-                    actions.remove(at: index)
-                }
-            }
-            if range.length == 0 {
-                actions.append(UIAction(title: "Insert Emoji", image: UIImage(systemName: "face.smiling"), handler: { [weak self] _ in
-                    self?.uiState.shouldEmojiAutocompletionBeginExpanded = true
-                    self?.beginAutocompletingEmoji()
-                }))
-            }
-            return UIMenu(children: actions)
-        }
-        
-        func beginAutocompletingEmoji() {
-            guard let textView = textView else {
-                return
-            }
-            var insertSpace = false
-            if let text = textView.text,
-               textView.selectedRange.upperBound > 0 {
-                let characterBeforeCursorIndex = text.utf16.index(before: text.utf16.index(text.startIndex, offsetBy: textView.selectedRange.upperBound))
-                insertSpace = !text[characterBeforeCursorIndex].isWhitespace
-            }
-            textView.insertText((insertSpace ? " " : "") + ":")
-        }
-        
-        func autocomplete(with string: String) {
-            guard let textView = textView,
-                  let text = textView.text,
-                  let (lastWordStartIndex, _) = findAutocompleteLastWord() else {
-                return
-            }
-            
-            let distanceToEnd = text.utf16.count - textView.selectedRange.upperBound
-            
-            let characterBeforeCursorIndex = text.utf16.index(text.startIndex, offsetBy: textView.selectedRange.upperBound)
-            
-            let insertSpace: Bool
-            if distanceToEnd > 0 {
-                let charAfterCursor = text[characterBeforeCursorIndex]
-                insertSpace = charAfterCursor != " " && charAfterCursor != "\n"
-            } else {
-                insertSpace = true
-            }
-            let string = insertSpace ? string + " " : string
-            
-            textView.text.replaceSubrange(lastWordStartIndex..<characterBeforeCursorIndex, with: string)
-            self.textViewDidChange(textView)
-            self.updateAutocompleteState()
-            
-            // keep the cursor at the same position in the text, immediately after what was inserted
-            // if we inserted a space, move the cursor 1 farther so it's immediately after the pre-existing space
-            let insertSpaceOffset = insertSpace ? 0 : 1
-            textView.selectedRange = NSRange(location: textView.text.utf16.count - distanceToEnd + insertSpaceOffset, length: 0)
-        }
-        
-        private func updateAutocompleteState() {
-            guard !skipNextAutocompleteUpdate else {
-                skipNextAutocompleteUpdate = false
-                return
-            }
-            guard let textView = textView,
-                  let text = textView.text,
-                  let (lastWordStartIndex, foundFirstAtSign) = findAutocompleteLastWord() else {
-                uiState.autocompleteState = nil
-                return
-            }
-            
-            let triggerChars: [Character] = ["@", ":", "#"]
-            if lastWordStartIndex > text.startIndex {
-                // if the character before the "word" beginning is a valid part of a "word",
-                // we aren't able to autocomplete
-                let c = text[text.index(before: lastWordStartIndex)]
-                if isPermittedForAutocomplete(c) || triggerChars.contains(c) {
-                    uiState.autocompleteState = nil
-                    return
-                }
-            }
-            
-            let characterBeforeCursorIndex = text.utf16.index(text.startIndex, offsetBy: textView.selectedRange.upperBound)
-            
-            if lastWordStartIndex >= text.startIndex {
-                let lastWord = text[lastWordStartIndex..<characterBeforeCursorIndex]
-                let exceptFirst = lastWord[lastWord.index(after: lastWord.startIndex)...]
-                
-                // periods are only allowed in mentions in the domain part
-                if lastWord.contains(".") {
-                    if lastWord.first == "@" && foundFirstAtSign {
-                        uiState.autocompleteState = .mention(String(exceptFirst))
-                    } else {
-                        uiState.autocompleteState = nil
-                    }
-                    return
-                }
-                
-                switch lastWord.first {
-                case "@":
-                    uiState.autocompleteState = .mention(String(exceptFirst))
-                case ":":
-                    uiState.autocompleteState = .emoji(String(exceptFirst))
-                case "#":
-                    uiState.autocompleteState = .hashtag(String(exceptFirst))
-                default:
-                    uiState.autocompleteState = nil
-                }
-            } else {
-                uiState.autocompleteState = nil
-            }
-        }
-        
-        private func isPermittedForAutocomplete(_ c: Character) -> Bool {
-            return (c >= "a" && c <= "z") || (c >= "A" && c <= "Z") || (c >= "0" && c <= "9") || c == "_"
-        }
-        
-        private func findAutocompleteLastWord() -> (index: String.Index, foundFirstAtSign: Bool)? {
-            guard let textView = textView,
-                  textView.isFirstResponder,
-                  textView.selectedRange.length == 0,
-                  textView.selectedRange.upperBound > 0,
-                  let text = textView.text,
-                  text.count > 0 else {
-                return nil
-            }
-            
-            let characterBeforeCursorIndex = text.utf16.index(text.startIndex, offsetBy: textView.selectedRange.upperBound)
-            
-            var lastWordStartIndex = text.index(before: characterBeforeCursorIndex)
-            var foundFirstAtSign = false
-            while true {
-                let c = text[lastWordStartIndex]
-                
-                if !isPermittedForAutocomplete(c) {
-                    if foundFirstAtSign {
-                        if c != "@" {
-                            // move the index forward by 1, so that the first char of the substring is the 1st @ instead of whatever comes before it
-                            lastWordStartIndex = text.index(after: lastWordStartIndex)
-                        }
-                        break
-                    } else {
-                        if c == "@" {
-                            foundFirstAtSign = true
-                        } else if c != "." {
-                            // periods are allowed for domain names in mentions
-                            break
-                        }
-                    }
-                }
-                
-                if lastWordStartIndex > text.startIndex {
-                    lastWordStartIndex = text.index(before: lastWordStartIndex)
-                } else {
-                    break
-                }
-            }
-            
-            return (lastWordStartIndex, foundFirstAtSign)
-        }
-    }
-}

Tusker/Screens/Customize Timelines/EditFilterView.swift

@@ -8,6 +8,7 @@
 
 import SwiftUI
 import Pachyderm
+import TuskerComponents
 
 struct EditFilterView: View {
     private static let expiresInOptions: [MenuPicker<TimeInterval>.Option] = {
@@ -214,6 +215,18 @@ private struct FilterContextToggleStyle: ToggleStyle {
     }
 }
 
+private extension View {
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func scrollDismissesKeyboardInteractivelyIfAvailable() -> some View {
+        if #available(iOS 16.0, *) {
+            self.scrollDismissesKeyboard(.interactively)
+        } else {
+            self
+        }
+    }
+}
+
 //struct EditFilterView_Previews: PreviewProvider {
 //    static var previews: some View {
 //        EditFilterView()

Tusker/Screens/Large Image/LargeImageContentView.swift

@@ -10,6 +10,7 @@ import UIKit
 import Pachyderm
 @preconcurrency import AVFoundation
 @preconcurrency import VisionKit
+import TuskerComponents
 
 protocol LargeImageContentView: UIView {
     var animationImage: UIImage? { get }

Tusker/Screens/Large Image/LoadingLargeImageViewController.swift

@@ -7,6 +7,7 @@
 
 import UIKit
 import Pachyderm
+import TuskerComponents
 
 class LoadingLargeImageViewController: UIViewController, LargeImageAnimatableViewController {