fix: 增加登录失效确认弹窗

suixinkan/UI/Common/SessionExpiredDialogViewController.swift

@@ -0,0 +1,103 @@
+//
+//  SessionExpiredDialogViewController.swift
+//  suixinkan
+//
+
+import SnapKit
+import UIKit
+
+/// 登录凭证失效时展示的强制确认弹窗，用户确认后由调用方执行退出登录。
+@MainActor
+final class SessionExpiredDialogViewController: UIViewController {
+
+    private let onConfirm: () -> Void
+    private let confirmButton = AppButton(title: "确认并退出登录")
+    private var didConfirm = false
+
+    /// 创建不可通过点击遮罩关闭的登录失效弹窗。
+    init(onConfirm: @escaping () -> Void) {
+        self.onConfirm = onConfirm
+        super.init(nibName: nil, bundle: nil)
+        modalPresentationStyle = .overFullScreen
+        modalTransitionStyle = .crossDissolve
+        isModalInPresentation = true
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        setupUI()
+    }
+
+    private func setupUI() {
+        view.backgroundColor = UIColor.black.withAlphaComponent(0.32)
+        view.accessibilityViewIsModal = true
+        view.accessibilityIdentifier = "sessionExpired.dialog"
+
+        let cardView = UIView()
+        cardView.backgroundColor = AppColor.cardBackground
+        cardView.layer.cornerRadius = AppRadius.lg
+        cardView.clipsToBounds = true
+
+        let warningImageView = UIImageView(
+            image: UIImage(systemName: "exclamationmark.circle.fill")
+        )
+        warningImageView.tintColor = UIColor(hex: 0xF05A5A)
+        warningImageView.contentMode = .scaleAspectFit
+        warningImageView.isAccessibilityElement = true
+        warningImageView.accessibilityLabel = "登录状态异常"
+
+        let titleLabel = UILabel()
+        titleLabel.text = "登录提醒"
+        titleLabel.textColor = AppColor.textPrimary
+        titleLabel.font = .systemFont(ofSize: 20, weight: .semibold)
+        titleLabel.textAlignment = .center
+
+        let messageLabel = UILabel()
+        messageLabel.text = "当前用户已在其他设备登录，\n请重新登录"
+        messageLabel.textColor = UIColor(hex: 0x4B5563)
+        messageLabel.font = .systemFont(ofSize: 14)
+        messageLabel.textAlignment = .center
+        messageLabel.numberOfLines = 0
+
+        confirmButton.accessibilityIdentifier = "sessionExpired.confirmButton"
+        confirmButton.addTarget(self, action: #selector(confirmTapped), for: .touchUpInside)
+
+        let contentStack = UIStackView(arrangedSubviews: [
+            warningImageView,
+            titleLabel,
+            messageLabel,
+            confirmButton,
+        ])
+        contentStack.axis = .vertical
+        contentStack.alignment = .fill
+        contentStack.spacing = 16
+        contentStack.setCustomSpacing(4, after: titleLabel)
+        contentStack.setCustomSpacing(20, after: messageLabel)
+
+        view.addSubview(cardView)
+        cardView.addSubview(contentStack)
+
+        cardView.snp.makeConstraints { make in
+            make.center.equalToSuperview()
+            make.leading.trailing.equalToSuperview().inset(32)
+        }
+        contentStack.snp.makeConstraints { make in
+            make.edges.equalToSuperview().inset(24)
+        }
+        warningImageView.snp.makeConstraints { make in
+            make.height.equalTo(64)
+        }
+    }
+
+    @objc private func confirmTapped() {
+        guard !didConfirm else { return }
+        didConfirm = true
+        confirmButton.isEnabled = false
+        onConfirm()
+    }
+}