CNUpSlideDetailViewController.swift
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//
// CNUpSlideDetailViewController.swift
// metaCode
//
// Created by zx on 2023/10/16.
// 下滑页原生页--大图点击详情页
import Foundation
class CNUpSlideDetailViewController: CNLiveBaseViewController {
//slideModel
var _slideModel : CNLiveDownSlideModel?
var slideModel : CNLiveDownSlideModel? {
get{
_slideModel
}
set{
_slideModel = newValue!
}
}
var dismissClosure: (()->())?
//the point when start to interactive
var interactiveStartingPoint: CGPoint? = nil
var draggingDownToDismiss = false
let cell: CNDownSlideSingleCourseCell!
private lazy var dismissPanGesture: UIPanGestureRecognizer = {
let ges = UIPanGestureRecognizer()
ges.maximumNumberOfTouches = 1
ges.addTarget(self, action: #selector(handleDismissPan(gesture:)))
ges.delegate = self
return ges
}()
lazy var scrollView: CNUpSlideDetailScrollView = {
let frame = self.view.bounds
let view = CNUpSlideDetailScrollView(frame: frame)
view.callBack = {(contentMdl:CNLiveDownSlideContentsModel)->Void in
CNLiveDownSlideTool.detailPushWebVCWithContentsMdl(contentMdl: contentMdl, viewController: self)
}
view.delegate = self
return view
}()
lazy var closeBtn: UIButton = {
let btn = UIButton()
btn.frame = CGRect(x: KSreenWidth - 20 - 30, y: KStatusBarHeight+20, width: 30, height: 30)
btn.setImage(#imageLiteral(resourceName: "close_button"), for: .normal)
btn.addTarget(self, action: #selector(closeAction), for: .touchUpInside)
return btn
}()
init(cell: CNDownSlideSingleCourseCell,slideModel:CNLiveDownSlideModel) {
self.cell = cell
super.init(nibName: nil, bundle: nil)
self.slideModel = slideModel
self.setupTranstion()
setNeedsStatusBarAppearanceUpdate()
}
private func setupTranstion() {
modalPresentationStyle = .custom
transitioningDelegate = self
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
setupUI()
getImageFromCell()
}
private func setupUI() {
self.view.layer.masksToBounds = true
view.addSubview(scrollView)
scrollView.slideModel = _slideModel
view.addSubview(closeBtn)
view.addGestureRecognizer(dismissPanGesture)
if #available(iOS 11.0, *) {
scrollView.contentInsetAdjustmentBehavior = .never
} else {
automaticallyAdjustsScrollViewInsets = false
}
}
private func getImageFromCell() {
scrollView.imageView.image = cell.bgImageView.image
}
@objc private func closeAction() {
dismiss(animated: true, completion: nil)
let nav = self.navigationController as! CNSlideBaseNavigationController
nav.dismissClosure?()
}
@objc private func handleDismissPan(gesture: UIPanGestureRecognizer) {
if !draggingDownToDismiss {
return
}
let startingPoint: CGPoint
if let p = interactiveStartingPoint {
startingPoint = p
} else {
startingPoint = gesture.location(in: nil)
interactiveStartingPoint = startingPoint
}
let currentLocation = gesture.location(in: nil)
var progress = (currentLocation.y - startingPoint.y) / 100
//prevent viewController bigger when scrolling up
if currentLocation.y <= startingPoint.y {
progress = 0
}
if progress >= 1.0 {
dismiss(animated: true, completion: nil)
let nav = self.navigationController as! CNSlideBaseNavigationController
nav.dismissClosure?()
// dismissClosure?()
stopDismissPanGesture(gesture)
return
}
let targetShrinkScale: CGFloat = 0.86
let currentScale: CGFloat = 1 - (1 - targetShrinkScale) * progress
switch gesture.state {
case .began,.changed:
scrollView.isScrollEnabled = false
gesture.view?.transform = CGAffineTransform(scaleX: currentScale, y: currentScale)
gesture.view?.layer.cornerRadius = GlobalConstants.toDayCardCornerRadius * (progress)
scrollView.showsVerticalScrollIndicator = false
case .cancelled,.ended:
scrollView.isScrollEnabled = true
stopDismissPanGesture(gesture)
default:
break
}
}
//当下拉Offset超过100或取消下拉手势时，执行此方法
private func stopDismissPanGesture(_ gesture: UIPanGestureRecognizer) {
draggingDownToDismiss = false
interactiveStartingPoint = nil
scrollView.showsVerticalScrollIndicator = true
UIView.animate(withDuration: 0.2) {
gesture.view?.transform = CGAffineTransform.identity
}
}
}
extension CNUpSlideDetailViewController: UIViewControllerTransitioningDelegate {
func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
return CNUpSlideAnimationTransition(animationType: .present)
}
func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
return CNUpSlideAnimationTransition(animationType: .dismiss)
}
func presentationController(forPresented presented: UIViewController, presenting: UIViewController?, source: UIViewController) -> UIPresentationController? {
return CNUpSlideCardPresentationController(presentedViewController: presented, presenting: presenting)
}
}
extension CNUpSlideDetailViewController: UIScrollViewDelegate {
func scrollViewDidScroll(_ scrollView: UIScrollView) {
if scrollView.contentOffset.y < 0 {
scrollView.contentOffset = .zero
draggingDownToDismiss = true
}
}
}
extension CNUpSlideDetailViewController: UIGestureRecognizerDelegate {
func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
return true
}
}