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feat: 🎸 placeholder and failure support alse README updated
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -52,7 +52,6 @@ struct ImageUIView: View { | |
| }) | ||
| } | ||
| .scaledToFill() | ||
| .sizeInto(box: boundingBox) | ||
| } else { | ||
| fallback | ||
| } | ||
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55 changes: 55 additions & 0 deletions
55
Sources/SAPCAI/UI/Common/UIKit/ImageViewRepresentable.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| import SDWebImage | ||
| import SwiftUI | ||
|
|
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| struct ImageViewRepresentable: UIViewRepresentable { | ||
| var url: URL? | ||
| var imageManager: ImageManager | ||
| let wrapper = UIImageViewWrapper() | ||
|
|
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| func makeUIView(context: Self.Context) -> UIImageViewWrapper { | ||
| self.wrapper | ||
| } | ||
|
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| func updateUIView(_ uiView: UIImageViewWrapper, context: UIViewRepresentableContext<ImageViewRepresentable>) { | ||
| uiView.imageView.contentMode = self.imageManager.contentMode | ||
| if case ImageManager.ImageState.error = self.imageManager.state, uiView.imageView.image == nil { | ||
| self.loadImage() | ||
| } | ||
| } | ||
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| func loadImage() { | ||
| self.wrapper.imageView.sd_setImage(with: self.url, | ||
| placeholderImage: nil) { image, error, _, _ in | ||
| if let error = error { | ||
| imageManager.state = .error(error) | ||
| } else if let image = image { | ||
| imageManager.state = .completed(image: image) | ||
| } else { | ||
| imageManager.state = .error(NSError(domain: "cai.com", code: 1, userInfo: nil)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| class UIImageViewWrapper: UIView { | ||
| lazy var imageView: UIImageView = { | ||
| let imageView = UIImageView() | ||
| imageView.setContentCompressionResistancePriority(.defaultLow, for: .horizontal) | ||
| imageView.setContentCompressionResistancePriority(.defaultLow, for: .vertical) | ||
| imageView.setContentHuggingPriority(.defaultLow, for: .vertical) | ||
| imageView.setContentHuggingPriority(.defaultLow, for: .horizontal) | ||
| return imageView | ||
| }() | ||
|
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| override init(frame: CGRect) { | ||
| super.init(frame: frame) | ||
| addSubview(self.imageView) | ||
| self.imageView.bindFrameToSuperviewBounds() | ||
| } | ||
|
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| required init?(coder: NSCoder) { | ||
| super.init(coder: coder) | ||
| addSubview(self.imageView) | ||
| self.imageView.bindFrameToSuperviewBounds() | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| import UIKit | ||
|
|
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| extension UIView { | ||
| func bindFrameToSuperviewBounds() { | ||
| guard let superview = self.superview else { | ||
| print("Error! `superview` was nil – call `addSubview(view: UIView)` before calling `bindFrameToSuperviewBounds()` to fix this.") | ||
| return | ||
| } | ||
| self.translatesAutoresizingMaskIntoConstraints = false | ||
| self.topAnchor.constraint(equalTo: superview.topAnchor, constant: 0).isActive = true | ||
| self.bottomAnchor.constraint(equalTo: superview.bottomAnchor, constant: 0).isActive = true | ||
| self.leadingAnchor.constraint(equalTo: superview.leadingAnchor, constant: 0).isActive = true | ||
| self.trailingAnchor.constraint(equalTo: superview.trailingAnchor, constant: 0).isActive = true | ||
| } | ||
| } |