Fix crash when opening My Profile on iPad

Closes #239

Tusker/Models/CompositionAttachment.swift

@@ -56,6 +56,7 @@ 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 CompositionAttachment: NSItemProviderWriting {
     static var writableTypeIdentifiersForItemProvider: [String] {
@@ -95,20 +96,22 @@ extension CompositionAttachment: NSItemProviderReading {
         [typeIdentifier] + UIImage.readableTypeIdentifiersForItemProvider + [mp4Type, quickTimeType] + NSURL.readableTypeIdentifiersForItemProvider
     }
     
-    static func object(withItemProviderData data: Data, typeIdentifier: String) throws -> Self {
+    static func object(withItemProviderData data: Data, typeIdentifier: String) throws -> CompositionAttachment {
         if typeIdentifier == CompositionAttachment.typeIdentifier {
-            return try PropertyListDecoder().decode(Self.self, from: data)
+            return try PropertyListDecoder().decode(CompositionAttachment.self, from: data)
+        } else if typeIdentifier == gifType {
+            return CompositionAttachment(data: .gif(data))
         } else if UIImage.readableTypeIdentifiersForItemProvider.contains(typeIdentifier), let image = try? UIImage.object(withItemProviderData: data, typeIdentifier: typeIdentifier) {
-            return CompositionAttachment(data: .image(image)) as! Self
+            return CompositionAttachment(data: .image(image))
         } 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 CompositionAttachment(data: .video(temporaryFileURL)) as! Self
+            return CompositionAttachment(data: .video(temporaryFileURL))
         } else if NSURL.readableTypeIdentifiersForItemProvider.contains(typeIdentifier), let url = try? NSURL.object(withItemProviderData: data, typeIdentifier: typeIdentifier) as URL {
-            return CompositionAttachment(data: .video(url)) as! Self
+            return CompositionAttachment(data: .video(url))
         } else {
             throw ItemProviderError.incompatibleTypeIdentifier
         }

Tusker/Models/CompositionAttachmentData.swift

@@ -16,6 +16,7 @@ enum CompositionAttachmentData {
     case image(UIImage)
     case video(URL)
     case drawing(PKDrawing)
+    case gif(Data)
     
     var type: AttachmentType {
         switch self {
@@ -27,6 +28,8 @@ enum CompositionAttachmentData {
             return .video
         case .drawing(_):
             return .image
+        case .gif(_):
+            return .image
         }
     }
     
@@ -119,6 +122,8 @@ enum CompositionAttachmentData {
         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)))
         }
     }
     
@@ -191,6 +196,8 @@ extension CompositionAttachmentData: Codable {
             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: [], debugDescription: "gif CompositionAttachments cannot be encoded"))
         }
     }
     
@@ -214,7 +221,7 @@ extension CompositionAttachmentData: Codable {
             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' or 'asset'")
+            throw DecodingError.dataCorruptedError(forKey: .type, in: container, debugDescription: "CompositionAttachment type must be one of image, asset, or drawing")
         }
     }
     

Tusker/Screens/Asset Picker/AssetPreviewViewController.swift

@@ -13,18 +13,14 @@ import AVKit
 
 class AssetPreviewViewController: UIViewController {
 
-    let attachment: CompositionAttachmentData
+    let asset: PHAsset
     
-    init(attachment: CompositionAttachmentData) {
-        self.attachment = attachment
+    init(asset: PHAsset) {
+        self.asset = asset
         
         super.init(nibName: nil, bundle: nil)
     }
     
-    convenience init(asset: PHAsset) {
-        self.init(attachment: .asset(asset))
-    }
-    
     required init?(coder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
@@ -34,12 +30,6 @@ class AssetPreviewViewController: UIViewController {
         
         view.backgroundColor = .black
 
-        switch attachment {
-        case let .image(image):
-            showImage(image)
-        case let .video(url):
-            showVideo(asset: AVURLAsset(url: url))
-        case let .asset(asset):
         switch asset.mediaType {
         case .image:
             if asset.mediaSubtypes.contains(.photoLive) {
@@ -52,10 +42,6 @@ class AssetPreviewViewController: UIViewController {
         default:
             fatalError("asset mediaType must be image or video")
         }
-        case let .drawing(drawing):
-            let image = drawing.imageInLightMode(from: drawing.bounds)
-            showImage(image)
-        }
     }
     
     func showImage(_ image: UIImage) {

Tusker/Screens/Compose/ComposeAttachmentImage.swift

@@ -13,6 +13,7 @@ struct ComposeAttachmentImage: View {
     let attachment: CompositionAttachment
     let fullSize: Bool
     
+    @State private var gifData: Data? = nil
     @State private var image: UIImage? = nil
     @State private var imageContentMode: ContentMode = .fill
     @State private var imageBackgroundColor: Color = .black
@@ -20,7 +21,9 @@ struct ComposeAttachmentImage: View {
     @Environment(\.colorScheme) private var colorScheme: ColorScheme
     
     var body: some View {
-        if let image = image {
+        if let gifData {
+            GIFViewWrapper(gifData: gifData)
+        } else if let image {
             Image(uiImage: image)
                 .resizable()
                 .aspectRatio(contentMode: imageContentMode)
@@ -54,11 +57,25 @@ struct ComposeAttachmentImage: View {
                 // currently only used as thumbnail in ComposeAttachmentRow
                 size = CGSize(width: 80, height: 80)
             }
+            let isGIF = PHAssetResource.assetResources(for: asset).contains(where: { $0.uniformTypeIdentifier == UTType.gif.identifier })
+            if isGIF {
+                PHImageManager.default().requestImageDataAndOrientation(for: asset, options: nil) { data, typeIdentifier, orientation, info in
+                    if typeIdentifier == UTType.gif.identifier {
+                        self.gifData = data
+                    } else if let data {
+                        let image = UIImage(data: data)
+                        DispatchQueue.main.async {
+                            self.image = image
+                        }
+                    }
+                }
+            } else {
                 PHImageManager.default().requestImage(for: asset, targetSize: size, contentMode: .aspectFill, options: nil) { (image, _) in
                     DispatchQueue.main.async {
                         self.image = image
                     }
                 }
+            }
         case let .video(url):
             let asset = AVURLAsset(url: url)
             let imageGenerator = AVAssetImageGenerator(asset: asset)
@@ -69,10 +86,35 @@ struct ComposeAttachmentImage: View {
             image = drawing.imageInLightMode(from: drawing.bounds)
             imageContentMode = .fit
             imageBackgroundColor = .white
+        case let .gif(data):
+            self.gifData = data
         }
     }
 }
 
+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)
+        controller.startAnimating()
+        view.contentMode = .scaleAspectFit
+        view.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
+        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)

Tusker/Screens/Compose/ComposeEmojiTextField.swift

@@ -120,6 +120,7 @@ struct ComposeEmojiTextField: UIViewRepresentable {
         }
         
         func textFieldDidEndEditing(_ textField: UITextField) {
+            uiState.currentInput = nil
             updateAutocompleteState(textField: textField)
             didEndEditing?()
         }

Tusker/Screens/Compose/ComposeToolbar.swift

@@ -26,22 +26,24 @@ struct ComposeToolbar: View {
     
     var body: some View {
         ScrollView(.horizontal, showsIndicators: false) {
-            HStack(spacing: 8) {
+            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)
+//                    // 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)
+//                    .padding(.horizontal, -8)
                 }
                 
                 if let currentInput = uiState.currentInput, currentInput.toolbarElements.contains(.emojiPicker) {
@@ -50,6 +52,8 @@ struct ComposeToolbar: View {
                     }
                     .labelStyle(.iconOnly)
                     .font(.system(size: imageSize))
+                    .padding(5)
+                    .hoverEffect()
                 }
                 
                 if let currentInput = uiState.currentInput,
@@ -68,6 +72,8 @@ struct ComposeToolbar: View {
                             }
                         }
                         .accessibilityLabel(format.accessibilityLabel)
+                        .padding(5)
+                        .hoverEffect()
                     }
                 }
                 
@@ -76,6 +82,8 @@ struct ComposeToolbar: View {
                 Button(action: self.draftsButtonPressed) {
                     Text("Drafts")
                 }
+                .padding(5)
+                .hoverEffect()
             }
             .padding(.horizontal, 16)
             .frame(minWidth: minWidth)

Tusker/Screens/Compose/DraftsView.swift

@@ -31,6 +31,13 @@ struct DraftsView: View {
                     } 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

Tusker/Screens/Profile/ProfileStatusesViewController.swift

@@ -106,13 +106,6 @@ class ProfileStatusesViewController: UIViewController, TimelineLikeCollectionVie
                 }
             }
             .store(in: &cancellables)
-        
-        var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
-        snapshot.appendSections([.header, .pinned, .statuses])
-        snapshot.appendItems([.header(accountID)], toSection: .header)
-        dataSource.apply(snapshot, animatingDifferences: false)
-        
-        state = .setupInitialSnapshot
     }
     
     private func createDataSource() -> UICollectionViewDiffableDataSource<Section, Item> {
@@ -181,11 +174,18 @@ class ProfileStatusesViewController: UIViewController, TimelineLikeCollectionVie
     private func load() async {
         guard isViewLoaded,
               let accountID,
-              state == .setupInitialSnapshot,
+              state == .unloaded,
               mastodonController.persistentContainer.account(for: accountID) != nil else {
             return
         }
         
+        var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
+        snapshot.appendSections([.header, .pinned, .statuses])
+        snapshot.appendItems([.header(accountID)], toSection: .header)
+        await apply(snapshot, animatingDifferences: false)
+        
+        state = .setupInitialSnapshot
+        
         await controller.loadInitial()
         await tryLoadPinned()
         

Tusker/Screens/Profile/ProfileViewController.swift

@@ -152,6 +152,7 @@ class ProfileViewController: UIViewController {
             assert(!animated)
             // if old doesn't exist, we're selecting the initial view controller, so moving the header around isn't necessary
             new.initialHeaderMode = .createView
+            new.view.translatesAutoresizingMaskIntoConstraints = false
             embedChild(new)
             self.currentIndex = index
             state = .idle
@@ -221,6 +222,7 @@ class ProfileViewController: UIViewController {
                 new.collectionView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: additionalHeightNeededToMatchContentOffset, right: 0)
             }
             
+            new.view.translatesAutoresizingMaskIntoConstraints = false
             embedChild(new)
             new.view.transform = CGAffineTransform(translationX: direction * view.bounds.width, y: yTranslationToMatchOldContentOffset)
             
@@ -256,6 +258,7 @@ class ProfileViewController: UIViewController {
             animator.startAnimation()
         } else {
             old.removeViewAndController()
+            new.view.translatesAutoresizingMaskIntoConstraints = false
             embedChild(new)
             completion?(true)
         }

Tusker/Views/MenuPicker.swift

@@ -44,6 +44,7 @@ struct MenuPicker<Value: Hashable>: UIViewRepresentable {
             }
         })
         button.accessibilityLabel = selectedOption.accessibilityLabel ?? selectedOption.title
+        button.isPointerInteractionEnabled = buttonStyle == .iconOnly
     }
     
     struct Option {