mirror of https://github.com/xaoxuu/ProHUD
138 lines
4.2 KiB
Swift
138 lines
4.2 KiB
Swift
//
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// HUDController.swift
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// ProHUD
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//
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// Created by xaoxuu on 2019/7/29.
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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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public class HUDController: UIViewController {
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/// ID标识
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public var identifier = String(Date().timeIntervalSince1970)
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internal var willAppearCallback: (() -> Void)?
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internal var didAppearCallback: (() -> Void)?
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internal var willDisappearCallback: (() -> Void)?
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internal var didDisappearCallback: (() -> Void)?
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/// 执行动画的图层
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public var animateLayer: CALayer?
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internal var animation: CAAnimation?
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/// 按钮事件
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internal var buttonEvents = [UIButton:() -> Void]()
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init() {
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super.init(nibName: nil, bundle: nil)
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debug(self, "init")
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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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deinit {
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debug("👌", self, "deinit")
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}
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override public func viewDidLoad() {
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super.viewDidLoad()
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// Do any additional setup after loading the view.
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}
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public override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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willAppearCallback?()
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}
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public override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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didAppearCallback?()
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}
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public override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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didDisappearCallback?()
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}
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public func viewWillAppear(_ callback: (() -> Void)?) {
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willAppearCallback = callback
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}
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public func viewDidAppear(_ callback: (() -> Void)?) {
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didAppearCallback = callback
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}
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public func viewWillDisappear(_ callback: (() -> Void)?) {
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willDisappearCallback = callback
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}
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public func viewDidDisappear(_ callback: (() -> Void)?) {
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didDisappearCallback = callback
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}
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}
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internal extension HUDController {
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func addTouchUpAction(for button: UIButton, action: @escaping () -> Void) {
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button.addTarget(self, action: #selector(didTappedButton(_:)), for: .touchUpInside)
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buttonEvents[button] = action
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}
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@objc func didTappedButton(_ sender: UIButton) {
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if let ac = buttonEvents[sender] {
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ac()
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}
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}
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}
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extension HUDController {
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@objc func pauseAnimation() {
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if let layer = animateLayer {
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animation = layer.animation(forKey: .rotateKey)
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layer.timeOffset = layer.convertTime(CACurrentMediaTime(), from: nil)
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layer.speed = 0
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}
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}
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@objc func resumeAnimation() {
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if let layer = animateLayer, let ani = animation, layer.speed == 0 {
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let pauseTime = layer.timeOffset
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layer.timeOffset = 0
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let beginTime = layer.convertTime(CACurrentMediaTime(), from: nil) - pauseTime
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layer.beginTime = beginTime
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layer.speed = 1
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layer.add(ani, forKey: .rotateKey)
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}
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}
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}
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public protocol RotateAnimation: HUDController {
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var imageView: UIImageView { get }
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var animateLayer: CALayer? { get set }
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}
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public extension RotateAnimation {
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func rotate(_ layer: CALayer? = nil, direction: ProHUD.RotateDirection = .clockwise, speed: CFTimeInterval = 2) {
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DispatchQueue.main.async {
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let l = layer ?? self.imageView.layer
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self.animateLayer = l
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l.startRotate(direction: direction, speed: speed)
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NotificationCenter.default.addObserver(self, selector: #selector(self.pauseAnimation), name: UIApplication.didEnterBackgroundNotification, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(self.resumeAnimation), name: UIApplication.willEnterForegroundNotification, object: nil)
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}
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}
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func rotate(_ layer: CALayer? = nil, _ flag: Bool) {
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DispatchQueue.main.async {
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self.animateLayer = nil
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(layer ?? self.imageView.layer)?.endRotate()
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NotificationCenter.default.removeObserver(self, name: UIApplication.didEnterBackgroundNotification, object: nil)
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NotificationCenter.default.removeObserver(self, name: UIApplication.willEnterForegroundNotification, object: nil)
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}
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}
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}
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