40 lines
1.1 KiB
Swift
40 lines
1.1 KiB
Swift
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//
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// ImageProvider.swift
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// Mastodon
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//
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// Created by Jed Fox on 2022-12-03.
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//
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import Foundation
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import AlamofireImage
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import UniformTypeIdentifiers
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import UIKit
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class ImageProvider: NSObject, NSItemProviderWriting {
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let url: URL
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let filter: ImageFilter?
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init(url: URL, filter: ImageFilter? = nil) {
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self.url = url
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self.filter = filter
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}
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var itemProvider: NSItemProvider {
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NSItemProvider(object: self)
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}
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static var writableTypeIdentifiersForItemProvider: [String] {
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[UTType.png.identifier]
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}
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func loadData(withTypeIdentifier typeIdentifier: String, forItemProviderCompletionHandler completionHandler: @escaping @Sendable (Data?, Error?) -> Void) -> Progress? {
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let receipt = UIImageView.af.sharedImageDownloader.download(URLRequest(url: url), filter: filter, completion: { response in
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switch response.result {
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case .failure(let error): completionHandler(nil, error)
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case .success(let image): completionHandler(image.pngData(), nil)
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}
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})
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return receipt?.request.downloadProgress
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}
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}
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