Refine UIKit to SwiftUI Measurement Strategies #162
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brynbodayle
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brynbodayle
commented
Feb 21, 2024
| return nsView.measuredFittingSize | ||
| } | ||
| #endif | ||
| } | ||
| #endif | ||
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| #if swift(>=5.7.1) // Proxy check for being built with the iOS 15 SDK |
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Was getting a build error until I bumped this swift version up
brynbodayle
commented
Feb 21, 2024
| // `UILabel.preferredMaxLayoutWidth`. | ||
| let intrinsicSize = content.systemLayoutFittingIntrinsicSize() | ||
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| // If the view has a intrinsic width and contains a double layout pass subview, give it the |
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this extra measurement pass didn't seem necessary in theory or in practice
brynbodayle
commented
Feb 21, 2024
| @nonobjc | ||
| fileprivate func containsDoubleLayoutPassSubviews() -> Bool { | ||
| #if os(macOS) | ||
| return false | ||
| #else | ||
| var contains = false | ||
| if let label = self as? UILabel, label.preferredMaxLayoutWidth > 0 { | ||
| if let label = self as? UILabel, label.numberOfLines != 1 { |
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We can simply check if the label is configured to show multiple lines. No need depending on an extra layout pass to determine if the label can wrap.
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|
This is ready for review now. Happo diffs look more correct when testing in the Airbnb app. |
bryankeller
reviewed
Mar 1, 2024
| /// - If the view contains `UILabel` subviews that require a double layout pass as determined by | ||
| /// a `preferredMaxLayoutWidth` that's greater than zero after a layout, then the view will | ||
| /// default to `intrinsicHeightProposedWidth` to allow the labels to wrap. | ||
| /// - If the view contains `UILabel` subviews that require a double layout pass as determined by support multiple lines of text |
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wording is a little messed up
bryankeller
approved these changes
Mar 1, 2024
bryankeller
reviewed
Mar 1, 2024
| @@ -22,6 +22,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 | |||
| approach to resolve an issue that could cause collection view cells to layout with | |||
| unexpected dimensions | |||
| - Made new layout-based SwiftUI cell rendering option the default. | |||
| - Fixed an issue where a UIKit view bridged to SwiftUI that wraps would always take up the proposed | |||
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I guess we fixed it for AppKit too?
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TBD, waiting for some updates from @calda since Epoxy iOS doesn't officially support native macOS, but Lottie iOS pulls in the code and uses it directly for macOS.
bryankeller
reviewed
Mar 1, 2024
| extension ProposedViewSize { | ||
| /// Creates a size by capping infinite values to a significantly large value and replacing `nil`s | ||
| /// with `UIView.noIntrinsicMetric` | ||
| var viewTypeValue: CGSize { |
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I don't really understand the "viewType" part of this name
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Added a comment to clarify
thedrick
approved these changes
Mar 1, 2024
brynbodayle
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Mar 14, 2024
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CollectionViewConfigurationCHANGELOG.mdentry in the "Unreleased" section for any library changes