313 lines
14 KiB
Swift
313 lines
14 KiB
Swift
//
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// SSAlertView.swift
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// SSAlert
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//
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// Created by yangsq on 2021/8/13.
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//
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import UIKit
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extension SSAlertView {
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public enum BackgroundMaskType {
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/// 默认没有遮罩
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case none
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/// 透明遮罩
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case clear
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/// 黑色遮罩
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case black
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}
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}
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fileprivate extension SSAlertView {
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typealias HideCompletion = () -> Void
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class HideCompletionData: NSObject {
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var completion: HideCompletion?
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}
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}
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open class SSAlertView: UIView {
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/// customView 的内间距
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public var customEdgeInsets: UIEdgeInsets = .zero {
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didSet {
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setNeedsDisplay()
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layoutIfNeeded()
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}
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}
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/// 展示和隐藏动画设置
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public var animation: SSAlertAnimation
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///遮罩视图
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public private(set) var backgroundMask: UIView?
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/// 是否点击遮罩隐藏，默认点击会隐藏
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public var canTouchMaskHide: Bool = true
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/// 点击遮罩隐藏是否开启动画，默认nil,跟随展示的时候设置是否开启动画
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public var isTouchMaskHideAnimated: Bool? = nil
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/// 模态视图弹窗才有
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public private(set) var navigationController: UINavigationController?
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public var isHideStatusBar = false {
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didSet {
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self.toViewContrller?.isHideStatusBar = isHideStatusBar
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}
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}
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public var isShowNavWhenViewWillDisappear = true {
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didSet {
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self.toViewContrller?.isShowNavWhenViewWillDisappear = isShowNavWhenViewWillDisappear
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}
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}
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private var onView: UIView
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public private(set) var maskType: BackgroundMaskType
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public private(set) var customView: UIView
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private weak var fromViewController: UIViewController?
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private weak var toViewContrller: SSAlertAnimationController?
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private var presentAnimation: SSAlertPresentAnimation?
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private var canPanDimiss: Bool = false
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private var hideCompletions = [HideCompletionData]()
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/// 初始化（普通视图弹窗）
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public init(customView: UIView,
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onView: UIView,
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animation: SSAlertAnimation = SSAlertDefaultAnmation(state: .fromCenter),
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maskType: BackgroundMaskType = .black) {
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self.animation = animation
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self.onView = onView
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self.maskType = maskType
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self.customView = customView
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super.init(frame: .zero)
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makeUI()
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}
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/// 初始化（模态视图弹窗),canPanDimiss: 是否支持拖拽消息
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public convenience init(customView: UIView,
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fromViewController: UIViewController,
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animation: SSAlertAnimation = SSAlertDefaultAnmation(state: .fromCenter),
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navigationControllerClass: UINavigationController.Type = UINavigationController.self,
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maskType: BackgroundMaskType = .black,
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canPanDimiss: Bool = true) {
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let animaionVC = SSAlertAnimationController()
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self.init(customView: customView, onView: animaionVC.view, animation: animation, maskType: maskType)
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animaionVC.isHideStatusBar = self.isHideStatusBar
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if let superViewController = superViewController(view: customView), superViewController != animaionVC {
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animaionVC.addChild(superViewController)
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superViewController.didMove(toParent: animaionVC)
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}
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self.canPanDimiss = canPanDimiss
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self.fromViewController = fromViewController
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let nav = navigationControllerClass.init(rootViewController: animaionVC)
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nav.modalPresentationStyle = .custom
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self.navigationController = nav
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self.canPanDimiss = canPanDimiss
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let animation = SSAlertPresentAnimation(navigationViewController: nav, animationView: customView, canPanDimiss: canPanDimiss)
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self.navigationController!.transitioningDelegate = animation
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self.navigationController!.modalPresentationCapturesStatusBarAppearance = true
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self.presentAnimation = animation
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self.toViewContrller = animaionVC
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}
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open override func layoutSubviews() {
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super.layoutSubviews()
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backgroundMask?.frame = CGRect(x: 0, y: 0, width: onView.ss_w, height: onView.ss_h)
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customView.ss_x = customEdgeInsets.left
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customView.ss_y = customEdgeInsets.top
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customView.ss_w = frame.width - customEdgeInsets.left - customEdgeInsets.right
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customView.ss_h = frame.height - customEdgeInsets.top - customEdgeInsets.bottom
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}
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private func makeUI() {
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if maskType != .none {
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let backgroundMask = UIButton()
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backgroundMask.alpha = 0
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onView.addSubview(backgroundMask)
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backgroundMask.addTarget(self, action: #selector(backgroundMaskAction), for: .touchUpInside)
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self.backgroundMask = backgroundMask
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if maskType == .black {
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backgroundMask.backgroundColor = UIColor.black.withAlphaComponent(0.3)
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}
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}
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addSubview(customView)
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onView.addSubview(self)
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}
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/// 展示
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public func show(animated: Bool = true, completion: (() -> Void)? = nil) {
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if navigationController != nil {
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presentView(animated: animated, completion: completion)
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} else {
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showView(animated: animated, completion: completion)
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}
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}
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/// 隐藏
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public func hide(animated: Bool = true, completion: (() -> Void)? = nil) {
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if navigationController != nil {
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dimissView(animated: animated, completion: completion)
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} else {
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hideView(animated: animated, completion: completion)
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}
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}
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/// 展示（普通视图弹窗）
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/// - Parameter animated: 是否动画
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private func showView(animated: Bool = true, completion: (() -> Void)? = nil) {
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isTouchMaskHideAnimated = animated
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var customSize = customView.systemLayoutSizeFitting(UIView.layoutFittingExpandedSize)
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if customView.ss_size != .zero {
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customSize = customView.ss_size
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}
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let size = CGSize(width: customSize.width + customEdgeInsets.left + customEdgeInsets.right, height: customSize.height + customEdgeInsets.top + customEdgeInsets.bottom)
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animation.showAnimationOfAnimationView(animationView: self, viewSize: size, animated: animated, completion: { _ in completion?() })
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}
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/// 隐藏（普通视图弹窗）
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/// - Parameter animated: 是否动画
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private func hideView(animated: Bool = true, completion: (() -> Void)? = nil) {
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var customSize = customView.systemLayoutSizeFitting(UIView.layoutFittingExpandedSize)
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if customView.ss_size != .zero {
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customSize = customView.ss_size
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}
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let size = CGSize(width: customSize.width + customEdgeInsets.left + customEdgeInsets.right, height: customSize.height + customEdgeInsets.top + customEdgeInsets.bottom)
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animation.hideAnimationOfAnimationView(animationView: self, viewSize: size, animated: animated) { [weak self] _ in guard let self = self else { return false }
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completion?()
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self.hideCompletions.forEach { hideC in
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hideC.completion?()
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hideC.completion = nil
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self.hideCompletions.removeAll(where: {$0 == hideC})
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}
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return false
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}
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}
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/// 展示（模态视图弹窗）
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/// - Parameter animated: 是否动画
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private func presentView(animated: Bool = true, completion: (() -> Void)? = nil) {
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isTouchMaskHideAnimated = animated
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var customSize = customView.systemLayoutSizeFitting(UIView.layoutFittingExpandedSize)
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if customView.ss_size != .zero {
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customSize = customView.ss_size
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}
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let size = CGSize(width: customSize.width + customEdgeInsets.left + customEdgeInsets.right, height: customSize.height + customEdgeInsets.top + customEdgeInsets.bottom)
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presentAnimation?.animationCompletion(showAnimation: {
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[weak self] in guard let self = self else { return }
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self.animation.showAnimationOfAnimationView(animationView: self, viewSize: size, animated: animated) { _ in
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self.presentAnimation?.setCompleteTransitionIsHide(isHide: false)
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completion?()
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}
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})
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self.presentAnimation?.duration = animation.animationDuration()
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///存在的问题： app当前显示的是弹窗界面，默认presnent出来的视图且modalPresentationStyle不是CurrentContext这这种，这个视图的presentingVC默认根控制器，例如存在tabbarVC的话就是tabbarVC，这个会造成一个问题：当这个视图dimiss的时候，会把所有的presentedVC都dimiss（其实调用dimiss的时候是调用当前视图的presentigngVC去dimiss,遵循随创建随释放）
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/// 这个通过设置 definesPresentationContext = true,modalPresentationStyle = UIModalPresentationOverCurrentContext，这样当前视图的presentigngVC为 self.navigationController,
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/// UIModalPresentationOverCurrentContext和 UIModalPresentationCurrentContext的区别是弹出的界面，前者不会把底部的视图stact移除，后者则会。
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self.navigationController?.definesPresentationContext = true
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self.navigationController?.modalPresentationStyle = .overCurrentContext
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self.fromViewController?.present(self.navigationController!, animated: true, completion: nil)
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if canPanDimiss {
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dimissViewDragToHideAnimation(animated: animated)
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}
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}
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/// 隐藏（模态视图弹窗）
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/// - Parameter animated: 是否动画
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private func dimissView(animated: Bool = true, completion: (() -> Void)? = nil) {
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var customSize = customView.systemLayoutSizeFitting(UIView.layoutFittingExpandedSize)
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if customView.ss_size != .zero {
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customSize = customView.ss_size
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}
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let size = CGSize(width: customSize.width + customEdgeInsets.left + customEdgeInsets.right, height: customSize.height + customEdgeInsets.top + customEdgeInsets.bottom)
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presentAnimation?.animationCompletion(hideAnimation: {
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[weak self] in guard let self = self else { return }
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self.animation.hideAnimationOfAnimationView(animationView: self, viewSize: size, animated: animated) { _ in
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return self.presentAnimation!.setCompleteTransitionIsHide(isHide: true)
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}
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})
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self.presentAnimation?.duration = animation.animationDuration()
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self.toViewContrller?.dismiss(animated: animated, completion: {
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[weak self] in guard let self = self else { return }
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completion?()
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self.hideCompletions.forEach { hideC in
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hideC.completion?()
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hideC.completion = nil
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self.hideCompletions.removeAll(where: {$0 == hideC})
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}
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})
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}
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private func dimissViewDragToHideAnimation(animated: Bool) {
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var customSize = customView.systemLayoutSizeFitting(UIView.layoutFittingExpandedSize)
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if customView.ss_size != .zero {
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customSize = customView.ss_size
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}
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let size = CGSize(width: customSize.width + customEdgeInsets.left + customEdgeInsets.right, height: customSize.height + customEdgeInsets.top + customEdgeInsets.bottom)
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presentAnimation?.animationCompletion(hideAnimation: {
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[weak self] in guard let self = self else { return }
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self.animation.hideAnimationOfAnimationView(animationView: self, viewSize: size, animated: animated) { _ in
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return self.presentAnimation!.setCompleteTransitionIsHide(isHide: true)
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}
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},endCompletion: {
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[weak self] in guard let self = self else { return }
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self.hideCompletions.forEach { hideC in
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hideC.completion?()
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hideC.completion = nil
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self.hideCompletions.removeAll(where: {$0 == hideC})
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}
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}, panDimissAnimation: { [weak self] point, frame in
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guard let self = self else { return (0, 0.4) }
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return self.animation.panToDimissTransilatePoint(point: point, panViewFrame: frame)
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}, dimissAnimation: { [weak self] isCancel in guard let self = self else { return }
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self.toViewContrller?.isDimiss = !isCancel
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})
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self.presentAnimation?.duration = animation.animationDuration()
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}
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public func refreshFrame(animated: Bool = true) {
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var customSize = customView.systemLayoutSizeFitting(UIView.layoutFittingExpandedSize)
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if customView.ss_size != .zero {
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customSize = customView.ss_size
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}
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let size = CGSize(width: customSize.width + customEdgeInsets.left + customEdgeInsets.right, height: customSize.height + customEdgeInsets.top + customEdgeInsets.bottom)
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animation.refreshAnimationOfAnimationView(animationView: self, viewSize: size, animated: animated, completion: nil)
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}
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@objc private func backgroundMaskAction() {
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if canTouchMaskHide {
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if fromViewController != nil {
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dimissView(animated: isTouchMaskHideAnimated ?? false)
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} else {
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hideView(animated: isTouchMaskHideAnimated ?? false)
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}
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}
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}
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private func superViewController(view: UIView) -> UIViewController? {
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var next = view.next
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while next != nil {
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if next is UIViewController {
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return next as? UIViewController
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} else {
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next = next!.next
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}
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}
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return nil
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}
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public func observeHideCompletion(completion: (() -> Void)?) {
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let completionData = HideCompletionData()
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completionData.completion = completion
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self.hideCompletions.append(completionData)
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}
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required public init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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