jonkykong
94 lines
3.7 KiB
Swift
94 lines
3.7 KiB
Swift
//
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// SideMenuTransitioningDelegate.swift
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// SideMenu
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//
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// Created by Jon Kent on 8/29/19.
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// Copyright © 2019 jonkykong. All rights reserved.
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//
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import UIKit
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internal protocol SideMenuTransitionControllerDelegate: class {
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func sideMenuTransitionController(_ transitionController: SideMenuTransitionController, didDismiss viewController: UIViewController)
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func sideMenuTransitionController(_ transitionController: SideMenuTransitionController, didPresent viewController: UIViewController)
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}
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internal final class SideMenuTransitionController: NSObject, UIViewControllerTransitioningDelegate {
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typealias Model = MenuModel & AnimationModel & PresentationModel
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private let leftSide: Bool
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private let config: Model
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private var animationController: SideMenuAnimationController?
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private weak var interactionController: SideMenuInteractionController?
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var interactive: Bool = false
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weak var delegate: SideMenuTransitionControllerDelegate?
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init(leftSide: Bool, config: Model) {
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self.leftSide = leftSide
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self.config = config
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super.init()
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}
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func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
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animationController = SideMenuAnimationController(
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config: config,
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leftSide: leftSide,
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delegate: self)
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return animationController
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}
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func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
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return animationController
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}
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func interactionControllerForPresentation(using animator: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
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return interactionController(using: animator)
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}
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func interactionControllerForDismissal(using animator: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
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return interactionController(using: animator)
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}
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internal func handle(state: SideMenuInteractionController.State) {
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interactionController?.handle(state: state)
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}
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func layout() {
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animationController?.layout()
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}
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func transition(presenting: Bool, animated: Bool = true, interactive: Bool = false, alongsideTransition: (() -> Void)? = nil, complete: Bool = true, completion: ((Bool) -> Void)? = nil) {
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animationController?.transition(
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presenting: presenting,
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animated: animated,
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interactive: interactive,
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alongsideTransition: alongsideTransition,
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complete: complete, completion: completion
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)
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}
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}
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extension SideMenuTransitionController: SideMenuAnimationControllerDelegate {
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internal func sideMenuAnimationController(_ animationController: SideMenuAnimationController, didDismiss viewController: UIViewController) {
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delegate?.sideMenuTransitionController(self, didDismiss: viewController)
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}
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internal func sideMenuAnimationController(_ animationController: SideMenuAnimationController, didPresent viewController: UIViewController) {
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delegate?.sideMenuTransitionController(self, didPresent: viewController)
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}
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}
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private extension SideMenuTransitionController {
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func interactionController(using animator: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
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guard interactive else { return nil }
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interactive = false
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let interactionController = SideMenuInteractionController(cancelWhenBackgrounded: config.dismissWhenBackgrounded, completionCurve: config.completionCurve)
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self.interactionController = interactionController
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return interactionController
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}
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}
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