paiai_ios/PaiAi/Common/CustomUIKit/Alert/Presentation/FFTransitioning.swift

//
//  FFTransitioning.swift
//  FFAlert
//
//  Created by FFIB on 2017/11/13.
//  Copyright © 2017年 FFIB. All rights reserved.
//

import UIKit

class FFTransitioning: NSObject, UIViewControllerTransitioningDelegate {

    private let alertStyle: FFAlertStyle

    init(alertStyle: FFAlertStyle) {
        self.alertStyle = alertStyle
    }

    func presentationController(forPresented presented: UIViewController,
                                presenting: UIViewController?, source: UIViewController)
        -> UIPresentationController? {
        return FFPresentationController(presentedViewController: presented, presenting: presenting)
    }

    func animationController(forPresented presented: UIViewController,
                             presenting: UIViewController, source: UIViewController)
        -> UIViewControllerAnimatedTransitioning? {
        if self.alertStyle == .actionSheet {
            return nil
        }

        return FFAnimationTransitioning(presentation: true)
    }

    func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
        return self.alertStyle == .alert ? FFAnimationTransitioning(presentation: false) : nil
    }
}