forked from zelo72/mastodon-ios
66 lines
1.8 KiB
Swift
66 lines
1.8 KiB
Swift
//
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// ViewControllerAnimatedTransitioning.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-4-28.
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//
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import os.log
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import UIKit
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protocol ViewControllerAnimatedTransitioningDelegate: AnyObject {
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var wantsInteractiveStart: Bool { get }
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func animationEnded(_ transitionCompleted: Bool)
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}
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class ViewControllerAnimatedTransitioning: NSObject {
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let operation: UINavigationController.Operation
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var transitionContext: UIViewControllerContextTransitioning!
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var isInteractive: Bool { return transitionContext.isInteractive }
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weak var delegate: ViewControllerAnimatedTransitioningDelegate?
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init(operation: UINavigationController.Operation) {
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assert(operation != .none)
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self.operation = operation
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super.init()
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}
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deinit {
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os_log("%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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}
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}
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// MARK: - UIViewControllerAnimatedTransitioning
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extension ViewControllerAnimatedTransitioning: UIViewControllerAnimatedTransitioning {
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func transitionDuration(using transitionContext: UIViewControllerContextTransitioning?) -> TimeInterval {
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return 0.3
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}
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func animateTransition(using transitionContext: UIViewControllerContextTransitioning) {
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self.transitionContext = transitionContext
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}
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func animationEnded(_ transitionCompleted: Bool) {
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delegate?.animationEnded(transitionCompleted)
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}
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}
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// MARK: - UIViewControllerInteractiveTransitioning
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extension ViewControllerAnimatedTransitioning: UIViewControllerInteractiveTransitioning {
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func startInteractiveTransition(_ transitionContext: UIViewControllerContextTransitioning) {
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self.transitionContext = transitionContext
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}
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var wantsInteractiveStart: Bool {
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return delegate?.wantsInteractiveStart ?? false
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}
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}
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