Add authoring polls

Closes #48

Pachyderm/Client.swift

@@ -298,7 +298,10 @@ public class Client {
                                     sensitive: Bool? = nil,
                                     spoilerText: String? = nil,
                                     visibility: Status.Visibility? = nil,
-                                    language: String? = nil) -> Request<Status> {
+                                    language: String? = nil,
+                                    pollOptions: [String]? = nil,
+                                    pollExpiresIn: Int? = nil,
+                                    pollMultiple: Bool? = nil) -> Request<Status> {
         return Request<Status>(method: .post, path: "/api/v1/statuses", body: ParametersBody([
                 "status" => text,
                 "content_type" => contentType.mimeType,
@@ -306,8 +309,10 @@ public class Client {
                 "sensitive" => sensitive,
                 "spoiler_text" => spoilerText,
                 "visibility" => visibility?.rawValue,
-                "language" => language
+                "language" => language,
-            ] + "media_ids" => media?.map { $0.id }))
+                "poll[expires_in]" => pollExpiresIn,
+                "poll[multiple]" => pollMultiple,
+            ] + "media_ids" => media?.map { $0.id } + "poll[options]" => pollOptions))
     }
     
     // MARK: - Timelines

Tusker.xcodeproj/project.pbxproj

@@ -160,6 +160,7 @@
 		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 */; };
 		D663625D2135C74800C9CBA2 /* ConversationMainStatusTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D663625C2135C74800C9CBA2 /* ConversationMainStatusTableViewCell.xib */; };
 		D663625F2135C75500C9CBA2 /* ConversationMainStatusTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D663625E2135C75500C9CBA2 /* ConversationMainStatusTableViewCell.swift */; };
 		D663626221360B1900C9CBA2 /* Preferences.swift in Sources */ = {isa = PBXBuildFile; fileRef = D663626121360B1900C9CBA2 /* Preferences.swift */; };
@@ -275,7 +276,7 @@
 		D6BC9DD7232D7811002CA326 /* TimelinesPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DD6232D7811002CA326 /* TimelinesPageViewController.swift */; };
 		D6BC9DDA232D8BE5002CA326 /* SearchResultsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DD9232D8BE5002CA326 /* SearchResultsViewController.swift */; };
 		D6BED174212667E900F02DA0 /* TimelineStatusTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BED173212667E900F02DA0 /* TimelineStatusTableViewCell.swift */; };
-		D6C143DA253510F4007DC240 /* ComposeContentWarningTextField.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C143D9253510F4007DC240 /* ComposeContentWarningTextField.swift */; };
+		D6C143DA253510F4007DC240 /* ComposeEmojiTextField.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C143D9253510F4007DC240 /* ComposeEmojiTextField.swift */; };
 		D6C143E025354E34007DC240 /* EmojiPickerCollectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C143DF25354E34007DC240 /* EmojiPickerCollectionViewController.swift */; };
 		D6C143FD25354FD0007DC240 /* EmojiCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C143FB25354FD0007DC240 /* EmojiCollectionViewCell.swift */; };
 		D6C1B2082545D1EC00DAAA66 /* StatusCardView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C1B2072545D1EC00DAAA66 /* StatusCardView.swift */; };
@@ -538,6 +539,7 @@
 		D6620ACD2511A0ED00312CA0 /* StatusStateResolver.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusStateResolver.swift; sourceTree = "<group>"; };
 		D662AEED263A3B880082A153 /* PollFinishedTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PollFinishedTableViewCell.swift; sourceTree = "<group>"; };
 		D662AEEE263A3B880082A153 /* PollFinishedTableViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = PollFinishedTableViewCell.xib; sourceTree = "<group>"; };
+		D662AEF1263A4BE10082A153 /* ComposePollView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposePollView.swift; sourceTree = "<group>"; };
 		D663625C2135C74800C9CBA2 /* ConversationMainStatusTableViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = ConversationMainStatusTableViewCell.xib; sourceTree = "<group>"; };
 		D663625E2135C75500C9CBA2 /* ConversationMainStatusTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConversationMainStatusTableViewCell.swift; sourceTree = "<group>"; };
 		D663626121360B1900C9CBA2 /* Preferences.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Preferences.swift; sourceTree = "<group>"; };
@@ -648,7 +650,7 @@
 		D6BC9DD6232D7811002CA326 /* TimelinesPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelinesPageViewController.swift; sourceTree = "<group>"; };
 		D6BC9DD9232D8BE5002CA326 /* SearchResultsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SearchResultsViewController.swift; sourceTree = "<group>"; };
 		D6BED173212667E900F02DA0 /* TimelineStatusTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineStatusTableViewCell.swift; sourceTree = "<group>"; };
-		D6C143D9253510F4007DC240 /* ComposeContentWarningTextField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeContentWarningTextField.swift; sourceTree = "<group>"; };
+		D6C143D9253510F4007DC240 /* ComposeEmojiTextField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeEmojiTextField.swift; sourceTree = "<group>"; };
 		D6C143DF25354E34007DC240 /* EmojiPickerCollectionViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiPickerCollectionViewController.swift; sourceTree = "<group>"; };
 		D6C143FB25354FD0007DC240 /* EmojiCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiCollectionViewCell.swift; sourceTree = "<group>"; };
 		D6C1B2072545D1EC00DAAA66 /* StatusCardView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusCardView.swift; sourceTree = "<group>"; };
@@ -1111,13 +1113,14 @@
 				D6A57407255C53EC00674551 /* ComposeTextViewCaretScrolling.swift */,
 				D62275A924F1E01C00B82A16 /* ComposeTextView.swift */,
 				D6C99FCA24FADC91005C74D3 /* MainComposeTextView.swift */,
+				D662AEF1263A4BE10082A153 /* ComposePollView.swift */,
 				D622757324EDF1CD00B82A16 /* ComposeAttachmentsList.swift */,
 				D622757924EE21D900B82A16 /* ComposeAttachmentRow.swift */,
 				D622757724EE133700B82A16 /* ComposeAssetPicker.swift */,
 				D62275A524F1C81800B82A16 /* ComposeReplyView.swift */,
 				D62275A724F1CA2800B82A16 /* ComposeReplyContentView.swift */,
 				D6E4267625327FB400C02E1C /* ComposeAutocompleteView.swift */,
-				D6C143D9253510F4007DC240 /* ComposeContentWarningTextField.swift */,
+				D6C143D9253510F4007DC240 /* ComposeEmojiTextField.swift */,
 				D6C143DF25354E34007DC240 /* EmojiPickerCollectionViewController.swift */,
 				D6C143FB25354FD0007DC240 /* EmojiCollectionViewCell.swift */,
 				D670F8B52537DC890046588A /* EmojiPickerWrapper.swift */,
@@ -1980,6 +1983,7 @@
 				D63A8D0B2561C27F00D9DFFF /* ProfileStatusesViewController.swift in Sources */,
 				D60E2F272442372B005F8713 /* StatusMO.swift in Sources */,
 				D60E2F2C24423EAD005F8713 /* LazilyDecoding.swift in Sources */,
+				D662AEF2263A4BE10082A153 /* ComposePollView.swift in Sources */,
 				D677284A24ECBDF400C732D3 /* ComposeCurrentAccount.swift in Sources */,
 				D62D2424217ABF3F005076CC /* NSUserActivity+Extensions.swift in Sources */,
 				D6B30E09254BAF63009CAEE5 /* ImageGrayscalifier.swift in Sources */,
@@ -2041,7 +2045,7 @@
 				D6E0DC8E216EDF1E00369478 /* Previewing.swift in Sources */,
 				D6BED174212667E900F02DA0 /* TimelineStatusTableViewCell.swift in Sources */,
 				D69693F42585941A00F4E116 /* UIWindowSceneDelegate+Close.swift in Sources */,
-				D6C143DA253510F4007DC240 /* ComposeContentWarningTextField.swift in Sources */,
+				D6C143DA253510F4007DC240 /* ComposeEmojiTextField.swift in Sources */,
 				0427033822B30F5F000D31B6 /* BehaviorPrefsView.swift in Sources */,
 				D627943923A553B600D38C68 /* UnbookmarkStatusActivity.swift in Sources */,
 				D64D0AAD2128D88B005A6F37 /* LocalData.swift in Sources */,

Tusker/Models/Draft.swift

@@ -20,13 +20,15 @@ class Draft: Codable, ObservableObject {
     @Published var attachments: [CompositionAttachment]
     @Published var inReplyToID: String?
     @Published var visibility: Status.Visibility
+    @Published var poll: Poll?
     
     var initialText: String
     
     var hasContent: Bool {
         (!text.isEmpty && text != initialText) ||
             (contentWarningEnabled && !contentWarning.isEmpty) ||
-            attachments.count > 0
+            attachments.count > 0 ||
+            poll?.hasContent == true
     }
     
     var textForPosting: String {
@@ -46,6 +48,7 @@ class Draft: Codable, ObservableObject {
         self.attachments = []
         self.inReplyToID = nil
         self.visibility = Preferences.shared.defaultPostVisibility
+        self.poll = nil
         
         self.initialText = ""
     }
@@ -75,6 +78,7 @@ class Draft: Codable, ObservableObject {
         self.attachments = try container.decode([CompositionAttachment].self, forKey: .attachments)
         self.inReplyToID = try container.decode(String?.self, forKey: .inReplyToID)
         self.visibility = try container.decode(Status.Visibility.self, forKey: .visibility)
+        self.poll = try container.decode(Poll.self, forKey: .poll)
         
         self.initialText = try container.decode(String.self, forKey: .initialText)
     }
@@ -92,6 +96,7 @@ class Draft: Codable, ObservableObject {
         try container.encode(attachments, forKey: .attachments)
         try container.encode(inReplyToID, forKey: .inReplyToID)
         try container.encode(visibility, forKey: .visibility)
+        try container.encode(poll, forKey: .poll)
         
         try container.encode(initialText, forKey: .initialText)
     }
@@ -115,11 +120,68 @@ extension Draft {
         case attachments
         case inReplyToID
         case visibility
+        case poll
         
         case initialText
     }
 }
 
+extension Draft {
+    class Poll: Codable, ObservableObject {
+        @Published var options: [Option]
+        @Published var multiple: Bool
+        @Published var duration: TimeInterval
+        
+        var hasContent: Bool {
+            options.contains { !$0.text.isEmpty }
+        }
+        
+        init() {
+            self.options = [Option(""), Option("")]
+            self.multiple = false
+            self.duration = 24 * 60 * 60 // 1 day
+        }
+        
+        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 {
+            var container = encoder.container(keyedBy: CodingKeys.self)
+            try container.encode(options, forKey: .options)
+            try container.encode(multiple, forKey: .multiple)
+            try container.encode(duration, forKey: .duration)
+        }
+        
+        private enum CodingKeys: String, CodingKey {
+            case options
+            case multiple
+            case duration
+        }
+        
+        class Option: Identifiable, Codable, ObservableObject {
+            let id = UUID()
+            @Published var text: String
+            
+            init(_ text: String) {
+                self.text = text
+            }
+            
+            required init(from decoder: Decoder) throws {
+                self.text = try decoder.singleValueContainer().decode(String.self)
+            }
+            
+            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 {

Tusker/Screens/Compose/ComposeAttachmentsList.swift

@@ -60,6 +60,14 @@ struct ComposeAttachmentsList: View {
             .foregroundColor(.blue)
             .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(.blue)
+            .frame(height: cellHeight / 2)
+            .listRowInsets(EdgeInsets(top: cellPadding / 2, leading: cellPadding / 2, bottom: cellPadding / 2, trailing: cellPadding / 2))
         }
         .frame(height: totalListHeight)
         .onAppear(perform: self.didAppear)
@@ -84,14 +92,25 @@ struct ComposeAttachmentsList: View {
         case .pleroma:
             return true
         case .mastodon:
-            return draft.attachments.count < 4 && draft.attachments.allSatisfy { $0.data.type == .image }
+            return draft.attachments.count < 4 && draft.attachments.allSatisfy { $0.data.type == .image } && draft.poll == nil
+        }
+    }
+    
+    private var canAddPoll: Bool {
+        switch mastodonController.instance?.instanceType {
+        case nil:
+            return false
+        case .pleroma:
+            return true
+        case .mastodon:
+            return draft.attachments.isEmpty
         }
     }
     
     private var totalListHeight: CGFloat {
         let totalRowHeights = rowHeights.values.reduce(0, +)
         let totalPadding = CGFloat(draft.attachments.count) * cellPadding
-        let addButtonHeight = cellHeight + cellPadding * 2
+        let addButtonHeight = 3 * (cellHeight / 2 + cellPadding)
         return totalRowHeights + totalPadding + addButtonHeight
     }
     
@@ -155,6 +174,14 @@ struct ComposeAttachmentsList: View {
         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
+        }
+    }
 }
 
 //struct ComposeAttachmentsList_Previews: PreviewProvider {

Tusker/Screens/Compose/ComposeEmojiTextField.swift

@@ -8,22 +8,50 @@
 
 import SwiftUI
 
-struct ComposeContentWarningTextField: UIViewRepresentable {
+struct ComposeEmojiTextField: UIViewRepresentable {
     typealias UIViewType = UITextField
     
-    @Binding var text: String
-    
     @EnvironmentObject private var uiState: ComposeUIState
     
+    @Binding private var text: String
+    private let placeholder: String
+    private var didChange: ((String) -> Void)?
+    private var didEndEditing: (() -> Void)?
+    private var backgroundColor: UIColor? = nil
+    
+    init(text: Binding<String>, placeholder: String) {
+        self._text = text
+        self.placeholder = placeholder
+        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 = "Write your warning here"
+        view.placeholder = placeholder
         view.borderStyle = .roundedRect
         
         view.delegate = context.coordinator
         view.addTarget(context.coordinator, action: #selector(Coordinator.didChange(_:)), for: .editingChanged)
         
+        view.backgroundColor = backgroundColor
+        
         context.coordinator.textField = view
         context.coordinator.uiState = uiState
         context.coordinator.text = $text
@@ -37,6 +65,8 @@ struct ComposeContentWarningTextField: UIViewRepresentable {
         } else {
             uiView.text = text
         }
+        context.coordinator.didChange = didChange
+        context.coordinator.didEndEditing = didEndEditing
     }
     
     func makeCoordinator() -> Coordinator {
@@ -47,11 +77,14 @@ struct ComposeContentWarningTextField: UIViewRepresentable {
         weak var textField: UITextField?
         var text: Binding<String>!
         var uiState: ComposeUIState!
+        var didChange: ((String) -> Void)?
+        var didEndEditing: (() -> Void)?
         
         var skipSettingTextOnNextUpdate = false
         
         @objc func didChange(_ textField: UITextField) {
             text.wrappedValue = textField.text ?? ""
+            didChange?(text.wrappedValue)
         }
         
         func textFieldDidBeginEditing(_ textField: UITextField) {
@@ -61,6 +94,7 @@ struct ComposeContentWarningTextField: UIViewRepresentable {
         
         func textFieldDidEndEditing(_ textField: UITextField) {
             updateAutocompleteState(textField: textField)
+            didEndEditing?()
         }
         
         func textFieldDidChangeSelection(_ textField: UITextField) {

Tusker/Screens/Compose/ComposePollView.swift

@@ -0,0 +1,209 @@
+//
+//  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
+    
+    @Environment(\.colorScheme) var colorScheme: ColorScheme
+    
+    @State private var duration: Duration {
+        didSet {
+            poll.duration = duration.timeInterval
+        }
+    }
+    
+    init(draft: Draft, poll: Draft.Poll) {
+        self.draft = draft
+        self.poll = poll
+        
+        self._duration = State(initialValue: .fromTimeInterval(poll.duration) ?? .oneDay)
+    }
+
+    var body: some View {
+        VStack {
+            HStack {
+                Text("Poll")
+                    .font(.headline)
+                
+                Spacer()
+                
+                Button(action: self.removePoll) {
+                    Image(systemName: "xmark")
+                        .imageScale(.small)
+                        .padding(4)
+                }
+                .accentColor(buttonForegroundColor)
+                .background(Circle().foregroundColor(buttonBackgroundColor))
+            }
+            
+            ForEach(Array(poll.options.enumerated()), id: \.element.id) { (e) in
+                ComposePollOption(poll: poll, option: e.element, optionIndex: e.offset)
+            }
+            .transition(.slide)
+            
+            Button(action: self.addOption) {
+                Label("Add Option", systemImage: "plus")
+            }
+
+            HStack {
+                // use .animation(nil) on the binding and .frame(maxWidth: .infinity) on labels so frame doesn't have a size change animation when the text changes
+                Picker(selection: $poll.multiple.animation(nil), label: Text(poll.multiple ? "Allow multiple choices" : "Single choice").frame(maxWidth: .infinity)) {
+                    Text("Allow multiple choices").tag(true)
+                    Text("Single choice").tag(false)
+                }
+                .pickerStyle(MenuPickerStyle())
+                .frame(maxWidth: .infinity)
+                
+                Picker(selection: $duration.animation(nil), label: Text(verbatim: ComposePollView.formatter.string(from: duration.timeInterval)!).frame(maxWidth: .infinity)) {
+                    ForEach(Duration.allCases, id: \.self) { (duration) in
+                        Text(ComposePollView.formatter.string(from: duration.timeInterval)!).tag(duration)
+                    }
+                }
+                .pickerStyle(MenuPickerStyle())
+                .frame(maxWidth: .infinity)
+            }
+        }
+        .padding(8)
+        .background(
+            backgroundColor
+                .cornerRadius(10)
+        )
+    }
+    
+    private var backgroundColor: Color {
+        // in light mode, .secondarySystemBackground has a blue-ish hue, which we don't want
+        colorScheme == .dark ? Color(UIColor.secondarySystemBackground) : 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() {
+        withAnimation(.easeInOut(duration: 0.25)) {
+            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
+    
+    var body: some View {
+        HStack(spacing: 4) {
+            Checkbox(radiusFraction: poll.multiple ? 0.1 : 0.5, borderWidth: 2)
+                .animation(.default)
+            
+            
+            textField
+            
+            Button(action: self.removeOption) {
+                Image(systemName: "minus.circle.fill")
+            }
+            .foregroundColor(poll.options.count == 1 ? .gray : .red)
+            .disabled(poll.options.count == 1)
+        }
+    }
+    
+    private var textField: some View {
+        var field = ComposeEmojiTextField(text: $option.text, placeholder: "Option \(optionIndex + 1)")
+        return field.backgroundColor(.systemBackground)
+    }
+    
+    private func removeOption() {
+        _ = withAnimation {
+            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.systemBackground))
+                    .frame(width: innerSize, height: innerSize)
+                    .cornerRadius(radiusFraction * innerSize)
+            }
+        }
+    }
+}
+
+//struct ComposePollView_Previews: PreviewProvider {
+//    static var previews: some View {
+//        ComposePollView()
+//    }
+//}

Tusker/Screens/Compose/ComposeView.swift

@@ -40,7 +40,7 @@ struct ComposeView: View {
     }
     
     var postButtonEnabled: Bool {
-        draft.hasContent && charactersRemaining >= 0 && !isPosting && !requiresAttachmentDescriptions
+        draft.hasContent && charactersRemaining >= 0 && !isPosting && !requiresAttachmentDescriptions && (draft.poll == nil || draft.poll!.options.allSatisfy { !$0.text.isEmpty })
     }
     
     var body: some View {
@@ -101,7 +101,7 @@ struct ComposeView: View {
             header
             
             if draft.contentWarningEnabled {
-                ComposeContentWarningTextField(text: $draft.contentWarning)
+                ComposeEmojiTextField(text: $draft.contentWarning, placeholder: "Write your warning here")
             }
             
             MainComposeTextView(
@@ -109,6 +109,13 @@ struct ComposeView: View {
                 placeholder: Text("What's on your mind?")
             )
             
+            if let poll = draft.poll {
+                ComposePollView(draft: draft, poll: poll)
+                    .transition(.opacity.combined(with: .asymmetric(insertion: .scale(scale: 0.5, anchor: .leading), removal: .scale(scale: 0.5, anchor: .trailing))))
+                    .animation(.default)
+                
+            }
+            
             ComposeAttachmentsList(
                 draft: draft
             )
@@ -213,7 +220,10 @@ struct ComposeView: View {
                                                   sensitive: sensitive,
                                                   spoilerText: contentWarning,
                                                   visibility: draft.visibility,
-                                                  language: nil)
+                                                  language: nil,
+                                                  pollOptions: draft.poll?.options.map(\.text),
+                                                  pollExpiresIn: draft.poll == nil ? nil : Int(draft.poll!.duration),
+                                                  pollMultiple: draft.poll?.multiple)
                 self.mastodonController.run(request) { (response) in
                     switch response {
                     case let .failure(error):