69 lines
2.8 KiB
Swift
69 lines
2.8 KiB
Swift
//
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// PopupDialogTransitionAnimator.swift
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//
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// Copyright (c) 2016 Orderella Ltd. (http://orderella.co.uk)
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// Author - Martin Wildfeuer (http://www.mwfire.de)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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import Foundation
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import UIKit
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/// Base class for custom transition animations
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internal class TransitionAnimator: NSObject, UIViewControllerAnimatedTransitioning {
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var to: UIViewController!
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var from: UIViewController!
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let inDuration: TimeInterval
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let outDuration: TimeInterval
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let direction: AnimationDirection
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init(inDuration: TimeInterval, outDuration: TimeInterval, direction: AnimationDirection) {
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self.inDuration = inDuration
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self.outDuration = outDuration
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self.direction = direction
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super.init()
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}
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internal func transitionDuration(using transitionContext: UIViewControllerContextTransitioning?) -> TimeInterval {
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return direction == .in ? inDuration : outDuration
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}
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internal func animateTransition(using transitionContext: UIViewControllerContextTransitioning) {
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switch direction {
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case .in:
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guard let to = transitionContext.viewController(forKey: UITransitionContextViewControllerKey.to),
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let from = transitionContext.viewController(forKey: UITransitionContextViewControllerKey.from) else { return }
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self.to = to
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self.from = from
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let container = transitionContext.containerView
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container.addSubview(to.view)
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case .out:
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guard let to = transitionContext.viewController(forKey: UITransitionContextViewControllerKey.to),
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let from = transitionContext.viewController(forKey: UITransitionContextViewControllerKey.from) else { return }
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self.to = to
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self.from = from
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}
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}
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}
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