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Merge pull request #7 from devpolant/bugfix/dark-mode
Dark mode support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| // | ||
| // SeparatorView.swift | ||
| // NativeUI | ||
| // | ||
| // Created by Anton Poltoratskyi on 08.05.2021. | ||
| // Copyright © 2021 Anton Poltoratskyi. All rights reserved. | ||
| // | ||
|
|
||
| import UIKit | ||
|
|
||
| final class SeparatorView: UIView { | ||
|
|
||
| enum Axis { | ||
| case vertical | ||
| case horizontal | ||
| } | ||
|
|
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| var axis: Axis = .horizontal { | ||
| didSet { | ||
| updateAxis() | ||
| } | ||
| } | ||
|
|
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| // MARK: - Subviews | ||
|
|
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| private lazy var contentView: UIView = { | ||
| let contentView = UIView() | ||
| contentView.translatesAutoresizingMaskIntoConstraints = false | ||
|
|
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| let lightThemeColor = UIColor.lightGray | ||
| let darkThemeColor = UIColor.darkGray | ||
|
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| if #available(iOS 13.0, *) { | ||
| contentView.backgroundColor = UIColor { traitCollection in | ||
| switch traitCollection.userInterfaceStyle { | ||
| case .light, .unspecified: | ||
| return lightThemeColor | ||
| case .dark: | ||
| return darkThemeColor | ||
| @unknown default: | ||
| return lightThemeColor | ||
| } | ||
| } | ||
| } else { | ||
| contentView.backgroundColor = lightThemeColor | ||
| } | ||
|
|
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| addSubview(contentView) | ||
|
|
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| return contentView | ||
| }() | ||
|
|
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| private lazy var heightConstraint = heightAnchor.constraint(equalToConstant: separatorThickness(for: traitCollection)) | ||
| private lazy var widthConstraint = widthAnchor.constraint(equalToConstant: separatorThickness(for: traitCollection)) | ||
|
|
||
| // MARK: - Init | ||
|
|
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| override init(frame: CGRect) { | ||
| super.init(frame: frame) | ||
| initialize() | ||
| } | ||
|
|
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| required init?(coder: NSCoder) { | ||
| super.init(coder: coder) | ||
| initialize() | ||
| } | ||
|
|
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| // MARK: - Base Setup | ||
|
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| private func initialize() { | ||
| setContentHuggingPriority(.required, for: .vertical) | ||
| setContentHuggingPriority(.required, for: .horizontal) | ||
| setContentCompressionResistancePriority(.required, for: .vertical) | ||
| setContentCompressionResistancePriority(.required, for: .horizontal) | ||
|
|
||
| NSLayoutConstraint.activate([ | ||
| contentView.leadingAnchor.constraint(equalTo: leadingAnchor), | ||
| contentView.trailingAnchor.constraint(equalTo: trailingAnchor), | ||
| contentView.topAnchor.constraint(equalTo: topAnchor), | ||
| contentView.bottomAnchor.constraint(equalTo: bottomAnchor) | ||
| ]) | ||
|
|
||
| updateAxis() | ||
| } | ||
|
|
||
| private func updateAxis() { | ||
| switch axis { | ||
| case .horizontal: | ||
| widthConstraint.isActive = false | ||
| heightConstraint.isActive = true | ||
| case .vertical: | ||
| widthConstraint.isActive = true | ||
| heightConstraint.isActive = false | ||
| } | ||
| } | ||
|
|
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| private func separatorThickness(for traitCollection: UITraitCollection?) -> CGFloat { | ||
| return 1.0 / max(1, traitCollection?.displayScale ?? 1) | ||
| } | ||
|
|
||
| public override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) { | ||
| heightConstraint.constant = separatorThickness(for: traitCollection) | ||
| widthConstraint.constant = separatorThickness(for: traitCollection) | ||
| } | ||
| } |
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