162 lines
4.3 KiB
Swift
162 lines
4.3 KiB
Swift
//
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// BRTabBarItemContentView.swift
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// BeeReel
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//
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// Created by 长沙鸿瑶 on 2025/6/25.
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//
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import UIKit
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class BRTabBarItemContentView: UIView {
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/// 是否被选中
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open var selected = false
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/// 是否处于高亮状态
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open var highlighted = false
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/// 是否支持高亮
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open var highlightEnabled = true
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var title: String? {
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didSet {
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// selectedView.title = title
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}
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}
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var image: UIImage? {
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didSet {
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// normalView.image = image
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updateLayout()
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}
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}
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var selectedImage: UIImage? {
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didSet {
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// selectedView.image = selectedImage
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updateLayout()
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}
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}
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private lazy var imageView: UIImageView = {
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let imageView = UIImageView()
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return imageView
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}()
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override init(frame: CGRect) {
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super.init(frame: frame)
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self.isUserInteractionEnabled = false
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self.layer.masksToBounds = true
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addSubview(imageView)
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imageView.snp.makeConstraints { make in
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make.centerX.equalToSuperview()
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make.bottom.equalToSuperview().offset(-(UIScreen.tabbarSafeBottomMargin + 2))
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}
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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open func updateDisplay() {
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}
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func updateLayout() {
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imageView.image = selected ? selectedImage : image
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}
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}
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extension BRTabBarItemContentView {
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// MARK: - INTERNAL METHODS
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internal final func select(animated: Bool, completion: (() -> ())?) {
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selected = true
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if highlightEnabled && highlighted {
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highlighted = false
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dehighlightAnimation(animated: animated, completion: { [weak self] in
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self?.updateDisplay()
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self?.selectAnimation(animated: animated, completion: completion)
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})
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} else {
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updateDisplay()
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selectAnimation(animated: animated, completion: completion)
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}
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}
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internal final func deselect(animated: Bool, completion: (() -> ())?) {
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selected = false
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updateDisplay()
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self.deselectAnimation(animated: animated, completion: completion)
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}
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internal final func reselect(animated: Bool, completion: (() -> ())?) {
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if selected == false {
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select(animated: animated, completion: completion)
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} else {
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if highlightEnabled && highlighted {
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highlighted = false
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dehighlightAnimation(animated: animated, completion: { [weak self] in
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self?.reselectAnimation(animated: animated, completion: completion)
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})
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} else {
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reselectAnimation(animated: animated, completion: completion)
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}
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}
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}
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internal final func highlight(animated: Bool, completion: (() -> ())?) {
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if !highlightEnabled {
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return
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}
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if highlighted == true {
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return
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}
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highlighted = true
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self.highlightAnimation(animated: animated, completion: completion)
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}
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internal final func dehighlight(animated: Bool, completion: (() -> ())?) {
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if !highlightEnabled {
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return
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}
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if !highlighted {
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return
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}
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highlighted = false
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self.dehighlightAnimation(animated: animated, completion: completion)
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}
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internal func badgeChanged(animated: Bool, completion: (() -> ())?) {
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self.badgeChangedAnimation(animated: animated, completion: completion)
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}
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// MARK: - ANIMATION METHODS
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func selectAnimation(animated: Bool, completion: (() -> ())?) {
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self.imageView.image = self.selectedImage
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}
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func deselectAnimation(animated: Bool, completion: (() -> ())?) {
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self.imageView.image = self.image
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}
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func reselectAnimation(animated: Bool, completion: (() -> ())?) {
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completion?()
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}
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func highlightAnimation(animated: Bool, completion: (() -> ())?) {
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completion?()
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}
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func dehighlightAnimation(animated: Bool, completion: (() -> ())?) {
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completion?()
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}
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func badgeChangedAnimation(animated: Bool, completion: (() -> ())?) {
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completion?()
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}
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}
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