mirror of https://github.com/xaoxuu/ProHUD
351 lines
11 KiB
Swift
351 lines
11 KiB
Swift
//
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// ToastController.swift
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// ProHUD
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//
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// Created by xaoxuu on 2019/7/31.
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// Copyright © 2019 Titan Studio. All rights reserved.
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//
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import UIKit
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import Inspire
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public typealias Toast = ProHUD.Toast
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public extension ProHUD {
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class Toast: HUDController {
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internal static var toasts = [Toast]()
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public var window: UIWindow?
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/// 图标
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public lazy var imageView: UIImageView = {
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let imgv = UIImageView()
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imgv.contentMode = .scaleAspectFit
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return imgv
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}()
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/// 标题
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public lazy var titleLabel: UILabel = {
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let lb = UILabel()
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lb.textColor = cfg.primaryLabelColor
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lb.font = cfg.toast.titleFont
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lb.textAlignment = .justified
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lb.numberOfLines = cfg.toast.titleMaxLines
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return lb
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}()
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/// 正文
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public lazy var bodyLabel: UILabel = {
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let lb = UILabel()
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lb.textColor = cfg.secondaryLabelColor
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lb.font = cfg.toast.bodyFont
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lb.textAlignment = .justified
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lb.numberOfLines = cfg.toast.bodyMaxLines
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return lb
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}()
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/// 背景层
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public var backgroundView: UIVisualEffectView = {
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let vev = createBlurView()
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vev.layer.masksToBounds = true
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vev.layer.cornerRadius = cfg.toast.cornerRadius
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return vev
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}()
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/// 是否可以通过手势移除（向上滑出屏幕）
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public var isRemovable = true
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/// 视图模型
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public var vm = ViewModel()
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internal var maxY = CGFloat(0)
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// MARK: 生命周期
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/// 实例化
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/// - Parameter scene: 场景
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/// - Parameter title: 标题
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/// - Parameter message: 内容
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/// - Parameter icon: 图标
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public convenience init(scene: Scene = .default, title: String? = nil, message: String? = nil, icon: UIImage? = nil, duration: TimeInterval? = nil, actions: ((Toast) -> Void)? = nil) {
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self.init()
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vm.vc = self
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vm.scene = scene
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vm.title = title
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vm.message = message
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vm.icon = icon
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vm.duration = duration
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actions?(self)
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// 点击
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let tap = UITapGestureRecognizer(target: self, action: #selector(privDidTapped(_:)))
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view.addGestureRecognizer(tap)
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// 拖动
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let pan = UIPanGestureRecognizer(target: self, action: #selector(privDidPan(_:)))
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view.addGestureRecognizer(pan)
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}
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public override func viewDidLoad() {
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super.viewDidLoad()
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cfg.toast.reloadData(self)
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}
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}
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}
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// MARK: - 实例函数
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public extension Toast {
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/// 推入屏幕
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@discardableResult func push() -> Toast {
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let config = cfg.toast
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let isNew: Bool
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if self.window == nil {
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let w = UIWindow(frame: .zero)
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self.window = w
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w.windowLevel = UIWindow.Level(5000)
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w.backgroundColor = .clear
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w.layer.shadowRadius = 8
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w.layer.shadowOffset = .init(width: 0, height: 5)
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w.layer.shadowOpacity = 0.2
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w.isHidden = false
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isNew = true
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} else {
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isNew = false
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}
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let window = self.window!
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// background & frame
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// 设定正确的宽度，更新子视图
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let width = CGFloat.minimum(UIScreen.main.bounds.width - 2*config.margin, config.maxWidth)
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view.frame.size = CGSize(width: width, height: 800)
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titleLabel.sizeToFit()
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bodyLabel.sizeToFit()
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view.layoutIfNeeded()
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// 更新子视图之后获取正确的高度
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var height = CGFloat(0)
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for v in self.view.subviews {
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height = CGFloat.maximum(v.frame.maxY, height)
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}
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height += config.padding
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// 应用到frame
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window.frame = CGRect(x: (UIScreen.main.bounds.width - width) / 2, y: 0, width: width, height: height)
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backgroundView.frame.size = window.frame.size
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window.insertSubview(backgroundView, at: 0)
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window.rootViewController = self // 此时toast.view.frame.size会自动更新为window.frame.size
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// 根据在屏幕中的顺序，确定y坐标
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if Toast.toasts.contains(self) == false {
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Toast.toasts.append(self)
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}
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Toast.privUpdateToastsLayout()
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if isNew {
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window.transform = .init(translationX: 0, y: -window.frame.maxY)
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UIView.animateForToast {
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window.transform = .identity
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}
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} else {
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view.layoutIfNeeded()
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}
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return self
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}
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/// 弹出屏幕
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func pop() {
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Toast.pop(self)
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}
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/// 更新
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/// - Parameter callback: 回调
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func update(_ callback: ((inout ViewModel) -> Void)? = nil) {
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callback?(&vm)
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cfg.toast.reloadData(self)
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}
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/// 点击事件
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/// - Parameter callback: 事件回调
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func didTapped(_ callback: (() -> Void)?) {
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vm.tapCallback = callback
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}
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/// 图片旋转效果
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/// - Parameter flag: 是否开启
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func rotate(_ flag: Bool = true) {
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if flag {
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DispatchQueue.main.async {
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let ani = CABasicAnimation(keyPath: "transform.rotation.z")
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ani.toValue = Double.pi * 2.0
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ani.duration = 3
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ani.repeatCount = 10000
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self.imageView.layer.add(ani, forKey: "rotationAnimation")
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}
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} else {
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imageView.layer.removeAllAnimations()
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}
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}
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/// 脉冲效果
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func pulse() {
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DispatchQueue.main.async {
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UIView.animate(withDuration: 0.2, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 1, options: [.allowUserInteraction, .curveEaseOut], animations: {
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self.window?.transform = .init(scaleX: 1.04, y: 1.04)
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}) { (done) in
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UIView.animate(withDuration: 1, delay: 0, usingSpringWithDamping: 0.5, initialSpringVelocity: 1, options: [.allowUserInteraction, .curveEaseIn], animations: {
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self.window?.transform = .identity
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}) { (done) in
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}
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}
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}
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}
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}
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// MARK: - 实例管理器
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public extension Toast {
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/// 推入屏幕
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/// - Parameter toast: 场景
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/// - Parameter title: 标题
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/// - Parameter message: 内容
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/// - Parameter actions: 更多操作
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@discardableResult class func push(scene: ProHUD.Scene = .default, title: String? = nil, message: String? = nil, duration: TimeInterval? = nil, _ actions: ((Toast) -> Void)? = nil) -> Toast {
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return Toast(scene: scene, title: title, message: message, duration: duration, actions: actions).push()
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}
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/// 查找指定的实例
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/// - Parameter identifier: 标识
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class func find(_ identifier: String?) -> [Toast] {
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var tt = [Toast]()
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for t in toasts {
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if t.identifier == identifier {
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tt.append(t)
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}
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}
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return tt
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}
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/// 查找指定的实例
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/// - Parameter identifier: 标识
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/// - Parameter last: 已经存在（获取最后一个）
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/// - Parameter none: 不存在
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class func find(_ identifier: String?, last: ((Toast) -> Void)? = nil, none: (() -> Void)? = nil) {
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if let t = find(identifier).last {
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last?(t)
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} else {
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none?()
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}
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}
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/// 弹出屏幕
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/// - Parameter toast: 实例
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class func pop(_ toast: Toast) {
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toast.willDisappearCallback?()
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if toasts.count > 1 {
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for (i, t) in toasts.enumerated() {
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if t == toast {
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toasts.remove(at: i)
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}
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}
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privUpdateToastsLayout()
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} else if toasts.count == 1 {
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toasts.removeAll()
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} else {
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debug("漏洞：已经没有toast了")
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}
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UIView.animateForToast(animations: {
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toast.window?.transform = .init(translationX: 0, y: -20-toast.maxY)
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}) { (done) in
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toast.view.removeFromSuperview()
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toast.removeFromParent()
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toast.window = nil
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}
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}
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/// 弹出屏幕
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/// - Parameter identifier: 指定实例的标识
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class func pop(_ identifier: String?) {
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for t in find(identifier) {
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t.pop()
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}
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}
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}
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// MARK: - 创建和设置
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fileprivate var willprivUpdateToastsLayout: DispatchWorkItem?
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fileprivate extension Toast {
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/// 点击事件
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/// - Parameter sender: 手势
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@objc func privDidTapped(_ sender: UITapGestureRecognizer) {
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vm.tapCallback?()
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}
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/// 拖拽事件
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/// - Parameter sender: 手势
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@objc func privDidPan(_ sender: UIPanGestureRecognizer) {
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vm.durationBlock?.cancel()
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let point = sender.translation(in: sender.view)
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window?.transform = .init(translationX: 0, y: point.y)
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if sender.state == .recognized {
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let v = sender.velocity(in: sender.view)
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if isRemovable == true && (((window?.frame.origin.y ?? 0) < 0 && v.y < 0) || v.y < -1200) {
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// 移除
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self.pop()
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} else {
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UIView.animateForToast(animations: {
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self.window?.transform = .identity
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}) { (done) in
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let d = self.vm.duration
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self.vm.duration = d
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}
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}
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}
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}
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class func privUpdateToastsLayout() {
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func f() {
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let top = Inspire.shared.screen.updatedSafeAreaInsets.top
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for (i, e) in toasts.enumerated() {
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let config = cfg.toast
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if let window = e.window {
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var y = window.frame.origin.y
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if i == 0 {
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if isPortrait {
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y = top
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} else {
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y = config.margin
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}
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} else {
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let lastY = toasts[i-1].window?.frame.maxY ?? .zero
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y = lastY + config.margin
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}
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e.maxY = y + window.frame.size.height
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UIView.animateForToast {
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window.frame.origin.y = y
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}
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}
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}
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}
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willprivUpdateToastsLayout?.cancel()
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willprivUpdateToastsLayout = DispatchWorkItem(block: {
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f()
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})
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DispatchQueue.main.asyncAfter(deadline: .now()+0.001, execute: willprivUpdateToastsLayout!)
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}
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}
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