54 lines
2.1 KiB
Swift
54 lines
2.1 KiB
Swift
//
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// PauseTransitionCoordinator.swift
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// Delta
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//
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// Created by Riley Testut on 1/30/16.
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// Copyright © 2016 Riley Testut. All rights reserved.
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//
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import UIKit
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import Roxas
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class PauseTransitionCoordinator: NSObject, UIViewControllerAnimatedTransitioning
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{
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let presentationController: UIPresentationController
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var presenting = false
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init(presentationController: UIPresentationController)
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{
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self.presentationController = presentationController
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super.init()
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}
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func transitionDuration(transitionContext: UIViewControllerContextTransitioning?) -> NSTimeInterval
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{
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return 0.4
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}
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func animateTransition(transitionContext: UIViewControllerContextTransitioning)
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{
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let destinationViewController = transitionContext.viewControllerForKey(UITransitionContextToViewControllerKey)!
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let sourceViewController = transitionContext.viewControllerForKey(UITransitionContextFromViewControllerKey)!
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destinationViewController.view.frame = transitionContext.finalFrameForViewController(destinationViewController)
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destinationViewController.view.frame.origin.y = self.presenting ? transitionContext.containerView()!.bounds.height : -destinationViewController.view.bounds.height
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transitionContext.containerView()!.addSubview(destinationViewController.view)
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destinationViewController.view.layoutIfNeeded()
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UIView.animateWithDuration(self.transitionDuration(transitionContext), delay:0, options:RSTSystemTransitionAnimationCurve, animations: {
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sourceViewController.view.frame.origin.y = self.presenting ? -sourceViewController.view.bounds.height : transitionContext.containerView()!.bounds.height
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destinationViewController.view.frame.origin.y = 0
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self.presentationController.containerView?.setNeedsLayout()
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self.presentationController.containerView?.layoutIfNeeded()
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}) { finished in
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transitionContext.completeTransition(finished)
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}
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}
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}
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