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Prevent Unable to activate constraint with anchors .. because they have no common ancestor. crashes. Only link toasts to the top safe area instead of the navigation controller

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Stefan Ceriu 2022-10-19 11:50:31 +03:00 committed by Stefan Ceriu
parent 4fc7bf3d6c
commit dfb414c26e
1 changed files with 5 additions and 27 deletions
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32
ElementX/Sources/Other/UserIndicators/ToastViewPresenter.swift
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@ -19,10 +19,6 @@ import UIKit
/// A presenter responsible for showing / hiding a toast view for loading spinners or success messages.
/// It is managed by an `UserIndicator`, meaning the `present` and `dismiss` methods will be called when the parent `UserIndicator` starts or completes.
class ToastViewPresenter: UserIndicatorViewPresentable {
enum Constants {
static let navigationBarPatting = CGFloat(10)
}
private let viewState: ToastViewState
private let presentationContext: UserIndicatorPresentationContext
private weak var view: UIView?
@ -42,19 +38,11 @@ class ToastViewPresenter: UserIndicatorViewPresentable {
self.view = view
view.translatesAutoresizingMaskIntoConstraints = false
if let navigation = viewController.topNavigationController {
navigation.view.addSubview(view)
NSLayoutConstraint.activate([
view.centerXAnchor.constraint(equalTo: navigation.view.centerXAnchor),
view.topAnchor.constraint(equalTo: navigation.navigationBar.safeAreaLayoutGuide.bottomAnchor, constant: -Constants.navigationBarPatting)
])
} else {
viewController.view.addSubview(view)
NSLayoutConstraint.activate([
view.centerXAnchor.constraint(equalTo: viewController.view.centerXAnchor),
view.topAnchor.constraint(equalTo: viewController.view.topAnchor)
])
}
viewController.view.addSubview(view)
NSLayoutConstraint.activate([
view.centerXAnchor.constraint(equalTo: viewController.view.centerXAnchor),
view.topAnchor.constraint(equalTo: viewController.view.safeAreaLayoutGuide.topAnchor)
])
view.alpha = 0
view.transform = .init(translationX: 0, y: 5)
@ -81,13 +69,3 @@ class ToastViewPresenter: UserIndicatorViewPresentable {
animator?.startAnimation()
}
}
private extension UIViewController {
var topNavigationController: UINavigationController? {
var controller: UINavigationController? = self as? UINavigationController ?? navigationController
while controller?.navigationController != nil {
controller = controller?.navigationController
}
return controller
}
}