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💲[Native Checkout] Sheet Overlay Container (#674)
* Sheet overlay container VC and animator * Renaming, fixing rotation issues * Revert testing code * Cleanup and fixing a snapshot * Using keypath lenses * Updating the comment * PR comments * Renaming * Cleanup * View helpers * Style naming * Fix build * Remove iOS 11 Availability Checks From Native Checkout (#679) * Remove iOS 11 availability references * Fix merge conflict issues * Renaming suggestions * Swiftlint
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79
Kickstarter-iOS/Views/Controllers/SheetOverlayViewController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| import UIKit | ||
| import Library | ||
| import Prelude | ||
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| /** | ||
| SheetOverlayViewController is intended to be used as a container for another view controller | ||
| that renders as a "sheet" or "card" that partially covers the content beneath it. | ||
| */ | ||
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| final class SheetOverlayViewController: UIViewController { | ||
| // MARK: - Properties | ||
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| private let childViewController: UIViewController | ||
| private let offset: CGFloat | ||
| private let transitionAnimator = SheetOverlayTransitionAnimator() | ||
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| init(child: UIViewController, offset: CGFloat = 45.0) { | ||
| self.childViewController = child | ||
| self.offset = offset | ||
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| super.init(nibName: nil, bundle: nil) | ||
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| _ = self | ||
| |> \.modalPresentationStyle .~ .custom | ||
| |> \.transitioningDelegate .~ self | ||
| } | ||
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| required init?(coder aDecoder: NSCoder) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
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| self.addChild(self.childViewController) | ||
| self.configure(childView: self.childViewController.view, offset: self.offset) | ||
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| self.childViewController.didMove(toParent: self) | ||
| } | ||
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| private func configure(childView: UIView, offset: CGFloat) { | ||
| _ = (childView, self.view) | ||
| |> ksr_addSubviewToParent() | ||
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| _ = childView | ||
| |> \.translatesAutoresizingMaskIntoConstraints .~ false | ||
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| _ = childView.layer | ||
| |> checkoutLayerCardRoundedStyle | ||
| |> \.masksToBounds .~ true | ||
| |> \.maskedCorners .~ [.layerMaxXMinYCorner, .layerMinXMinYCorner] | ||
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| let isRegular = UIScreen.main.traitCollection.isRegularRegular | ||
| let portraitWidth = min(UIScreen.main.bounds.height, UIScreen.main.bounds.width) | ||
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| NSLayoutConstraint.activate([childView.centerXAnchor.constraint(equalTo: self.view.centerXAnchor), | ||
| childView.bottomAnchor.constraint(equalTo: self.view.bottomAnchor), | ||
| childView.topAnchor.constraint(equalTo: self.view.topAnchor, | ||
| constant: offset)]) | ||
|
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| if isRegular { | ||
| childView.widthAnchor.constraint(equalToConstant: portraitWidth).isActive = true | ||
| } else { | ||
| childView.widthAnchor.constraint(equalTo: self.view.widthAnchor).isActive = true | ||
| } | ||
| } | ||
| } | ||
|
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| extension SheetOverlayViewController: UIViewControllerTransitioningDelegate { | ||
| func animationController(forPresented presented: UIViewController, presenting: UIViewController, | ||
| source: UIViewController) -> UIViewControllerAnimatedTransitioning? { | ||
| return self.transitionAnimator | ||
| } | ||
|
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| func animationController(forDismissed dismissed: UIViewController) -> | ||
| UIViewControllerAnimatedTransitioning? { | ||
| return self.transitionAnimator | ||
| } | ||
| } |
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