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Code Issues 71 Pull Requests Releases Wiki Activity

Make GIF attachments animate in the Compose screen

This commit is contained in:
Shadowfacts 2022-11-13 14:01:54 -05:00
parent b9bdd29986
commit 22b5d62ba1
1 changed files with 45 additions and 7 deletions
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52
Tusker/Screens/Compose/ComposeAttachmentImage.swift
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@ -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)
@ -54,9 +57,23 @@ struct ComposeAttachmentImage: View {
// currently only used as thumbnail in ComposeAttachmentRow
size = CGSize(width: 80, height: 80)
}
PHImageManager.default().requestImage(for: asset, targetSize: size, contentMode: .aspectFill, options: nil) { (image, _) in
DispatchQueue.main.async {
self.image = image
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):
@ -70,13 +87,34 @@ struct ComposeAttachmentImage: View {
imageContentMode = .fit
imageBackgroundColor = .white
case let .gif(data):
if let image = UIImage(data: data) {
self.image = image
}
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)