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Ensure completion handler is called #76

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Sep 1, 2019
Merged

Ensure completion handler is called #76

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40cabda
Ensure completion handler is called
wmcginty Aug 30, 2019
71f6072
Add a changelog entry
wmcginty Aug 30, 2019
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5 changes: 3 additions & 2 deletions Sources/UtiliKit/Container/ContainerViewController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,7 @@ private extension ContainerViewController {
prepareForTransitioning(from: source, to: destination, animated: true)
defer { delegate?.containerViewController(self, didBeginTransitioningFrom: source, to: destination) }

let context = configuredTransitionContext(from: source, to: destination)
let context = configuredTransitionContext(from: source, to: destination, completion: completion)
let animator = delegate?.containerViewController(self, animationControllerForTransitionFrom: source, to: destination) ?? DefaultContainerTransitionAnimator()
let interactor = delegate?.containerViewController(self, interactionControllerForTransitionFrom: source, to: destination)

Expand All @@ -114,12 +114,13 @@ private extension ContainerViewController {
//MARK: Helper
private extension ContainerViewController {

func configuredTransitionContext(from source: UIViewController, to destination: UIViewController) -> ContainerTransitionContext {
func configuredTransitionContext(from source: UIViewController, to destination: UIViewController, completion: ((Bool) -> Void)? = nil) -> ContainerTransitionContext {
let context = ContainerTransitionContext(containerView: view, fromViewController: source, toViewController: destination)
context.completion = { [weak self] finished in
guard let self = self else { return }
self.finishTransitioning(from: source, to: destination, success: finished, animated: true)
self.delegate?.containerViewController(self, didFinishTransitioningFrom: source, to: destination)
completion?(finished)
}

return context
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