1fb1bb297a
A pretty mechanical conversion. There were a few weirder things that I called out in comments.
61 lines
1.6 KiB
Swift
61 lines
1.6 KiB
Swift
//
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// Copyright (c) 2022 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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@objc
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public class OWSWindow: UIWindow {
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public override init(frame: CGRect) {
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super.init(frame: frame)
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NotificationCenter.default.addObserver(
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self,
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selector: #selector(themeDidChange),
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name: .ThemeDidChange,
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object: nil
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)
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applyTheme()
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}
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// This useless override is defined so that you can call `-init` from Swift.
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@available(iOS 13, *)
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public override init(windowScene: UIWindowScene) {
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fatalError("init(windowScene:) has not been implemented")
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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@objc
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private func themeDidChange() {
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applyTheme()
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}
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private func applyTheme() {
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guard #available(iOS 13, *) else { return }
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// Ensure system UI elements use the appropriate styling for the selected theme.
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switch Theme.getOrFetchCurrentTheme() {
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case .light:
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overrideUserInterfaceStyle = .light
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case .dark:
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overrideUserInterfaceStyle = .dark
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case .system:
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overrideUserInterfaceStyle = .unspecified
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}
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}
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public override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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guard #available(iOS 13, *) else { return }
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if previousTraitCollection?.userInterfaceStyle != traitCollection.userInterfaceStyle {
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Theme.systemThemeChanged()
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}
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}
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}
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