jellyflood/Shared/Views/ImageView.swift

76 lines
1.8 KiB
Swift

//
// Swiftfin is subject to the terms of the Mozilla Public
// License, v2.0. If a copy of the MPL was not distributed with this
// file, you can obtain one at https://mozilla.org/MPL/2.0/.
//
// Copyright (c) 2022 Jellyfin & Jellyfin Contributors
//
import NukeUI
import SwiftUI
// TODO: update multiple sources so that multiple blurhashes can be taken, clean up
struct ImageView: View {
@State
private var sources: [URL]
private var currentURL: URL? { sources.first }
private let blurhash: String
private let failureInitials: String
init(src: URL, bh: String = "001fC^", failureInitials: String = "") {
self.sources = [src]
self.blurhash = bh
self.failureInitials = failureInitials
}
init(sources: [URL], bh: String = "001fC^", failureInitials: String = "") {
assert(!sources.isEmpty, "Must supply at least one source")
self.sources = sources
self.blurhash = bh
self.failureInitials = failureInitials
}
// TODO: fix placeholder hash view
@ViewBuilder
private var placeholderView: some View {
Image(uiImage: UIImage(blurHash: blurhash, size: CGSize(width: 12, height: 12)) ??
UIImage(blurHash: "001fC^", size: CGSize(width: 12, height: 12))!)
.resizable()
}
@ViewBuilder
private func failureImage() -> some View {
ZStack {
Rectangle()
.foregroundColor(Color(UIColor.darkGray))
Text(failureInitials)
.font(.largeTitle)
.foregroundColor(.secondary)
.accessibilityHidden(true)
}
}
var body: some View {
if let u = currentURL {
LazyImage(source: u) { state in
if let image = state.image {
image
} else if state.error != nil {
placeholderView.onAppear { sources.removeFirst() }
} else {
placeholderView
}
}
.pipeline(ImagePipeline(configuration: .withDataCache))
.id(u)
} else {
failureImage()
}
}
}