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Merge pull request #5121 from wikimedia/prototype/system-nav-bar
Remove custom navigation bar
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127 changes: 127 additions & 0 deletions
127
.../Sources/WMFComponents/Base/Component Base Classes/WMFComponentNavigationController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| import UIKit | ||
| import Combine | ||
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| open class WMFComponentNavigationController: UINavigationController { | ||
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| // MARK: - Private Properties | ||
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| private var cancellables = Set<AnyCancellable>() | ||
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| // MARK: - Public Properties | ||
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| var appEnvironment: WMFAppEnvironment { | ||
| return WMFAppEnvironment.current | ||
| } | ||
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| var theme: WMFTheme { | ||
| return WMFAppEnvironment.current.theme | ||
| } | ||
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| var forcePortrait = false | ||
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| // MARK: - Public | ||
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| @objc public convenience init(rootViewController: UIViewController, modalPresentationStyle: UIModalPresentationStyle) { | ||
| self.init(rootViewController: rootViewController) | ||
| self.modalPresentationStyle = modalPresentationStyle | ||
| } | ||
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| public override init(rootViewController: UIViewController) { | ||
| super.init(rootViewController: rootViewController) | ||
| subscribeToAppEnvironmentChanges() | ||
| setup() | ||
| } | ||
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| open override func viewWillAppear(_ animated: Bool) { | ||
| super.viewWillAppear(animated) | ||
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| setBarAppearance() | ||
| } | ||
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| required public init?(coder aDecoder: NSCoder) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
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| open override var supportedInterfaceOrientations: UIInterfaceOrientationMask { | ||
| return forcePortrait ? .portrait : topViewController?.supportedInterfaceOrientations ?? .all | ||
| } | ||
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| open override var preferredInterfaceOrientationForPresentation: UIInterfaceOrientation { | ||
| return topViewController?.preferredInterfaceOrientationForPresentation ?? .portrait | ||
| } | ||
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| public func turnOnForcePortrait() { | ||
| forcePortrait = true | ||
| } | ||
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| public func turnOffForcePortrait() { | ||
| forcePortrait = false | ||
| } | ||
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| // MARK: - AppEnvironment Subscription | ||
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| private func subscribeToAppEnvironmentChanges() { | ||
| WMFAppEnvironment.publisher | ||
| .sink(receiveValue: { [weak self] _ in self?.appEnvironmentDidChange() }) | ||
| .store(in: &cancellables) | ||
| } | ||
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| // MARK: - Subclass Overrides | ||
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| public func appEnvironmentDidChange() { | ||
| overrideUserInterfaceStyle = theme.userInterfaceStyle | ||
| setNeedsStatusBarAppearanceUpdate() | ||
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| setBarAppearance() | ||
| } | ||
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| private func setBarAppearance() { | ||
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| let barAppearance = UINavigationBarAppearance() | ||
| barAppearance.configureWithOpaqueBackground() | ||
| barAppearance.largeTitleTextAttributes = [.font: WMFFont.navigationBarLeadingLargeTitleFont] | ||
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| if modalPresentationStyle == .pageSheet { | ||
| barAppearance.backgroundColor = theme.midBackground | ||
| let backgroundImage = UIImage.roundedRectImage(with: theme.midBackground, cornerRadius: 1) | ||
| barAppearance.backgroundImage = backgroundImage | ||
| } else { | ||
| barAppearance.backgroundColor = theme.paperBackground | ||
| let backgroundImage = UIImage.roundedRectImage(with: theme.paperBackground, cornerRadius: 1) | ||
| barAppearance.backgroundImage = backgroundImage | ||
| } | ||
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| barAppearance.shadowImage = UIImage() | ||
| barAppearance.shadowColor = .clear | ||
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| navigationBar.tintColor = theme.navigationBarTintColor | ||
| navigationBar.standardAppearance = barAppearance | ||
| navigationBar.scrollEdgeAppearance = barAppearance | ||
| navigationBar.compactAppearance = barAppearance | ||
| } | ||
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| open override var preferredStatusBarStyle: UIStatusBarStyle { | ||
| return theme.preferredStatusBarStyle | ||
| } | ||
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| // MARK: - Private | ||
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| private func setup() { | ||
| interactivePopGestureRecognizer?.delegate = self | ||
| } | ||
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| } | ||
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| extension WMFComponentNavigationController: UIGestureRecognizerDelegate { | ||
| public func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool { | ||
| return viewControllers.count > 0 | ||
| } | ||
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| public func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool { | ||
| if gestureRecognizer is UIScreenEdgePanGestureRecognizer { | ||
| return false | ||
| } | ||
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| return true | ||
| } | ||
| } |
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