293 lines
9.5 KiB
Swift
293 lines
9.5 KiB
Swift
//
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// MemberAnnotationView.swift
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// QuickLocation
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//
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import Foundation
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#if !targetEnvironment(simulator)
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import AMapNaviKit
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final class MemberAnnotationView: MAAnnotationView {
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/// 标注被点击的回调
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var onTap: ((MemberAnnotation) -> Void)?
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// MARK: - Design Constants
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private static let bubbleSize: CGFloat = 56
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private static let bubbleCorner: CGFloat = 14
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private static let borderWidth: CGFloat = 4
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private static let pointerWidth: CGFloat = 14
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private static let pointerHeight: CGFloat = 6
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private static let gapBubbleToDot: CGFloat = 4
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private static let gapNameToBubble: CGFloat = 4
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private static let nameTagHeight: CGFloat = 20
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private static let nameTagHPadding: CGFloat = 8
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private static let dotOuterSize: CGFloat = 12
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private static let dotInnerSize: CGFloat = 10
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private static let currentUserDotColor = UIColor(hexStr: "#5ED4FF")
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private static let memberDotPalette: [UIColor] = [
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UIColor(hexStr: "#FF6B6B"),
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UIColor(hexStr: "#FF9F43"),
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UIColor(hexStr: "#FECA57"),
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UIColor(hexStr: "#1DD1A1"),
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UIColor(hexStr: "#54A0FF"),
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UIColor(hexStr: "#5F27CD"),
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UIColor(hexStr: "#FF9FF3"),
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UIColor(hexStr: "#00D2D3"),
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UIColor(hexStr: "#EE5A24"),
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UIColor(hexStr: "#10AC84"),
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UIColor(hexStr: "#2E86DE"),
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UIColor(hexStr: "#341F97"),
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]
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private var showsNameTag = false
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private let containerView = UIView()
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private let nameTagView: UIView = {
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let v = UIView()
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v.backgroundColor = .white
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v.layer.cornerRadius = 8
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v.layer.shadowColor = UIColor.black.cgColor
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v.layer.shadowOffset = CGSize(width: 0, height: 1)
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v.layer.shadowRadius = 2
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v.layer.shadowOpacity = 0.12
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v.isHidden = true
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return v
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}()
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private let nameLabel: UILabel = {
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let l = UILabel()
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l.font = UIFont(name: "PingFangSC-Medium", size: 11)
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?? UIFont.systemFont(ofSize: 11, weight: .medium)
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l.textColor = UIColor(hexStr: "#0F2846")
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l.textAlignment = .center
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l.lineBreakMode = .byTruncatingTail
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return l
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}()
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private let bubbleView: UIView = {
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let v = UIView()
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v.backgroundColor = .white
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v.layer.cornerRadius = bubbleCorner
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v.layer.shadowColor = UIColor.black.cgColor
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v.layer.shadowOffset = CGSize(width: 0, height: 2)
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v.layer.shadowRadius = 4
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v.layer.shadowOpacity = 0.18
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return v
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}()
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private let avatarImageView: UIImageView = {
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let iv = UIImageView()
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iv.contentMode = .scaleAspectFill
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iv.clipsToBounds = true
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iv.backgroundColor = UIColor(hexStr: "#E0E0E0")
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iv.layer.cornerRadius = bubbleCorner - borderWidth * 0.6
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return iv
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}()
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private let pointerView: UIImageView = {
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let iv = UIImageView(image: UIImage(named: "Map/arrow"))
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iv.contentMode = .scaleAspectFit
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return iv
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}()
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private let dotOuterView: UIView = {
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let v = UIView()
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v.backgroundColor = .white
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v.layer.cornerRadius = dotOuterSize / 2
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v.layer.shadowColor = UIColor.black.cgColor
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v.layer.shadowOffset = CGSize(width: 0, height: 1)
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v.layer.shadowRadius = 2
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v.layer.shadowOpacity = 0.2
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return v
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}()
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private let dotInnerView: UIView = {
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let v = UIView()
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v.layer.cornerRadius = dotInnerSize / 2
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return v
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}()
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private let dotCenterView: UIView = {
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let v = UIView()
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v.backgroundColor = .white
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v.layer.cornerRadius = 2
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return v
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}()
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// MARK: - Init
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override init!(annotation: MAAnnotation!, reuseIdentifier: String!) {
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super.init(annotation: annotation, reuseIdentifier: reuseIdentifier)
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setupUI()
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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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private func setupUI() {
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canShowCallout = false
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isEnabled = true
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isUserInteractionEnabled = true
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// 不设 image 时高德按默认大头针锚点，自定义 bounds 会偏；给 1px 透明图让 SDK 用 bounds
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image = Self.transparentPixel
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addSubview(containerView)
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containerView.isUserInteractionEnabled = true
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containerView.addSubview(nameTagView)
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nameTagView.addSubview(nameLabel)
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containerView.addSubview(bubbleView)
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bubbleView.addSubview(avatarImageView)
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containerView.addSubview(pointerView)
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containerView.addSubview(dotOuterView)
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dotOuterView.addSubview(dotInnerView)
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dotInnerView.addSubview(dotCenterView)
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}
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// MARK: - Configure
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func configure(with member: CircleMember) {
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isEnabled = true
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isUserInteractionEnabled = true
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canShowCallout = false
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if let img = UIImage(named: "UserIcon/\(member.avatar)") {
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avatarImageView.image = img
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} else {
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avatarImageView.image = UIImage(named: "Common/default_avatar")
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}
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avatarImageView.backgroundColor = member.avatar.isEmpty ? .lightGray : .clear
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dotInnerView.backgroundColor = Self.dotColor(for: member)
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showsNameTag = !member.isCurrentUser
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nameLabel.text = member.name
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nameTagView.isHidden = !showsNameTag
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// 所有标注（含当前用户）可点击，同步列表选中
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if gestureRecognizers?.isEmpty ?? true {
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let tap = UITapGestureRecognizer(target: self, action: #selector(handleTap))
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addGestureRecognizer(tap)
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}
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layoutMarker()
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}
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override func prepareForReuse() {
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super.prepareForReuse()
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showsNameTag = false
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nameTagView.isHidden = true
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nameLabel.text = nil
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onTap = nil
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layoutMarker()
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}
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/// 高德在 didAdd 后才吃 bounds/centerOffset，加点完成后再 layout 一次
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func applyAnchor() {
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layoutMarker()
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}
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@objc private func handleTap() {
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guard let ann = annotation as? MemberAnnotation else { return }
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onTap?(ann)
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}
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/// 朝向扇形已从图示样式中移除，保留 API 兼容 HomeViewController
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func updateHeading(_ heading: Double) {}
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// MARK: - Layout
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private func layoutMarker() {
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let bubble = Self.bubbleSize
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let pointerH = Self.pointerHeight
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let gap = Self.gapBubbleToDot
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let dot = Self.dotOuterSize
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let nameH: CGFloat = showsNameTag ? Self.nameTagHeight : 0
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let nameGap: CGFloat = showsNameTag ? Self.gapNameToBubble : 0
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var nameTagWidth: CGFloat = 0
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if showsNameTag {
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let text = nameLabel.text ?? ""
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let textWidth = (text as NSString).size(withAttributes: [.font: nameLabel.font as Any]).width
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nameTagWidth = min(max(textWidth + Self.nameTagHPadding * 2, 44), 120)
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}
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let totalWidth = max(bubble, nameTagWidth)
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let totalHeight = nameH + nameGap + bubble + pointerH + gap + dot
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bounds = CGRect(x: 0, y: 0, width: totalWidth, height: totalHeight)
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containerView.frame = bounds
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centerOffset = CGPoint(x: 0, y: -(totalHeight / 2 - Self.dotOuterSize / 2))
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if showsNameTag {
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nameTagView.frame = CGRect(
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x: (totalWidth - nameTagWidth) / 2,
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y: 0,
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width: nameTagWidth,
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height: Self.nameTagHeight
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)
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nameLabel.frame = nameTagView.bounds.insetBy(dx: Self.nameTagHPadding - 2, dy: 0)
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}
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let bubbleY = nameH + nameGap
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bubbleView.frame = CGRect(
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x: (totalWidth - bubble) / 2,
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y: bubbleY,
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width: bubble,
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height: bubble
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)
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let inner = bubble - Self.borderWidth * 2
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avatarImageView.frame = CGRect(
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x: Self.borderWidth, y: Self.borderWidth,
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width: inner, height: inner
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)
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// 箭头：贴气泡底边居中
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let pointerTop = bubbleY + bubble - 1
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pointerView.frame = CGRect(
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x: (totalWidth - Self.pointerWidth) / 2,
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y: pointerTop,
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width: Self.pointerWidth,
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height: Self.pointerHeight
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)
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let dotY = bubbleY + bubble + Self.pointerHeight + gap
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dotOuterView.frame = CGRect(
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x: (totalWidth - dot) / 2, y: dotY,
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width: dot, height: dot
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)
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let inset = (Self.dotOuterSize - Self.dotInnerSize) / 2
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dotInnerView.frame = CGRect(
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x: inset, y: inset,
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width: Self.dotInnerSize, height: Self.dotInnerSize
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)
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let centerSize: CGFloat = 4
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let centerInset = (Self.dotInnerSize - centerSize) / 2
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dotCenterView.frame = CGRect(
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x: centerInset, y: centerInset,
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width: centerSize, height: centerSize
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)
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}
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// MARK: - Dot Color
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private static let transparentPixel: UIImage = {
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UIGraphicsBeginImageContextWithOptions(CGSize(width: 1, height: 1), false, 0)
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UIColor.clear.setFill()
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UIRectFill(CGRect(x: 0, y: 0, width: 1, height: 1))
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let img = UIGraphicsGetImageFromCurrentImageContext() ?? UIImage()
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UIGraphicsEndImageContext()
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return img
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}()
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private static func dotColor(for member: CircleMember) -> UIColor {
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if member.isCurrentUser {
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return currentUserDotColor
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}
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let hash = member.id.utf8.reduce(0) { ($0 &* 31) &+ Int($1) }
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let index = abs(hash) % memberDotPalette.count
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return memberDotPalette[index]
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}
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}
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#endif
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