joywayerandClaude Opus 4.7
f795957eb1
把 WKNavigationDelegate.didFinish 里的 splash.isHidden = true 换成 UIView.animate(withDuration: 0.3) 渐变 alpha=0 + completion 内 removeFromSuperview，避免渲染瞬间硬切，也让 view 层级在大厅起来后 完全干净（无空持有的 splash 占位）。 BuildProject 通过 Plan 进度已勾选（§5 Phase 1.14.e + §8） Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
299 lines
11 KiB
Swift
299 lines
11 KiB
Swift
//
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// WebContainerViewController.swift
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// ylgamehall
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//
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// H5 大厅承载容器：BridgedWebView 嵌入 + 16:9 letterbox + Splash 覆盖层
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// + 启动流水线（ensureReady → fetch → resolve → upgrade → loadFileURL）。
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// 详见 docs/H5-Native-Implementation-Design.md §6.3.5。
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//
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import UIKit
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import WebKit
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public final class WebContainerViewController: UIViewController {
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// MARK: - UI
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private let bridgedWebView = BridgedWebView()
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private let splash = SplashOverlay()
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// MARK: - Boot pipeline 内部错误分类
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//
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// 用 enum 区分"终态阻塞"与"系统级错误"：
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// - shortText / ipaUpgrade 是运营杀手锏，弹窗后永停（无重试按钮）
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// - 其它（网络 / 解析 / 解压 / 下载失败）→ showFatalAlert，提供重试
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private enum BootError: Error {
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/// 短文本响应 或 showmessage 非空：契约 §3.2 运营杀手锏 #1/#2
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case operationalMessage(String)
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/// IPA 需要升级，弹窗 + Safari 外链
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case ipaUpgradeRequired(downloadURL: String)
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}
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// MARK: - Lifecycle
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public override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = .black
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setupBridgedWebView()
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setupSplash()
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bridgedWebView.webView.navigationDelegate = self
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Task { @MainActor in
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await runBootPipeline()
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}
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}
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public override var supportedInterfaceOrientations: UIInterfaceOrientationMask { .landscape }
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public override var preferredInterfaceOrientationForPresentation: UIInterfaceOrientation { .landscapeRight }
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public override var prefersStatusBarHidden: Bool { false }
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// MARK: - 16:9 letterbox 布局
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//
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// H5 设计分辨率 1280×720（16:9）。设备比例与 16:9 不匹配时用黑边补齐：
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// - 比 16:9 宽（如现代 iPhone 横屏 2.16:1）→ 左右黑边
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// - 比 16:9 窄（如 iPad 4:3）→ 上下黑边
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//
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// 约束策略：
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// required：aspect = 16:9，width ≤ view.width，height ≤ view.height
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// low： width = view.width，height = view.height（尽量撑满）
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// 居中： centerX / centerY
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// Auto Layout 会自动选择"短边贴边、长边居中"的解。
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private func setupBridgedWebView() {
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bridgedWebView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(bridgedWebView)
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let aspect = bridgedWebView.widthAnchor.constraint(
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equalTo: bridgedWebView.heightAnchor,
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multiplier: 16.0 / 9.0
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)
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let widthMax = bridgedWebView.widthAnchor.constraint(lessThanOrEqualTo: view.widthAnchor)
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let heightMax = bridgedWebView.heightAnchor.constraint(lessThanOrEqualTo: view.heightAnchor)
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let widthFill = bridgedWebView.widthAnchor.constraint(equalTo: view.widthAnchor)
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let heightFill = bridgedWebView.heightAnchor.constraint(equalTo: view.heightAnchor)
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widthFill.priority = .defaultLow
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heightFill.priority = .defaultLow
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NSLayoutConstraint.activate([
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bridgedWebView.centerXAnchor.constraint(equalTo: view.centerXAnchor),
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bridgedWebView.centerYAnchor.constraint(equalTo: view.centerYAnchor),
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aspect, widthMax, heightMax, widthFill, heightFill
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])
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}
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private func setupSplash() {
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splash.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(splash)
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NSLayoutConstraint.activate([
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splash.topAnchor.constraint(equalTo: view.topAnchor),
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splash.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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splash.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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splash.trailingAnchor.constraint(equalTo: view.trailingAnchor)
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])
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splash.update(text: "拼命启动中...", progress: nil)
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}
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// MARK: - Boot pipeline
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private func runBootPipeline() async {
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// 重新进入 pipeline 时（重试路径）：重置 splash 并显示
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splash.isHidden = false
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splash.update(text: "拼命启动中...", progress: nil)
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do {
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try await runBootPipelineSteps()
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} catch BootError.operationalMessage(let msg) {
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showBlockingAlert(message: msg)
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} catch BootError.ipaUpgradeRequired(let dl) {
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showIPAUpgradeAlert(downloadURL: dl)
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} catch {
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showFatalAlert(error: error)
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}
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}
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private func runBootPipelineSteps() async throws {
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// 1. 首装解压（仅首次安装走真正的 unzip；之后 fileExists 短路 ≤ 1ms）
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try await ResourceUnzipper.shared.ensureReady()
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// 2. 拉远端渠道配置
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splash.update(text: "拉取配置中...", progress: nil)
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let outcome = try await RemoteConfigClient.shared.fetch()
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switch outcome {
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case .shortText(let msg):
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// 运营杀手锏 #1：运营把整段服务端响应替换为短文本，前端弹窗永停
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throw BootError.operationalMessage(msg)
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case .parsed(let cfg):
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let bc = BundleConfig.shared
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let resolved = VersionResolver.resolve(
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config: cfg,
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agentId: bc.agent,
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channelId: bc.channel,
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marketId: bc.market,
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gameId: bc.gameId
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)
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// 3. 运营杀手锏 #2：showmessage 非空 → 弹窗永停
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if let msg = resolved.showmessage, !msg.isEmpty {
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throw BootError.operationalMessage(msg)
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}
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// 4. IPA 升级（远端 appVersion > 本地）：弹窗 + Safari 外链永停
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if resolved.appVersion > LocalVersionReader.localAppVersion,
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let dl = resolved.appDownload {
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throw BootError.ipaUpgradeRequired(downloadURL: dl)
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}
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// 5. H5 zip 升级（远端 gameVersion > 本地）：进度条实时更新
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// LobbyZipUpgrader 的 onProgress 由 URLSession delegate 在后台队列调度，
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// 必须显式 hop 到 MainActor 才能动 splash UI。
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_ = try await LobbyZipUpgrader.shared.upgradeIfNeeded(
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resolved: resolved,
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onProgress: { [weak self] p in
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Task { @MainActor in
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self?.splash.update(
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text: String(format: "下载更新中 %d%%", Int(p * 100)),
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progress: p
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)
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}
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}
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)
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}
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// 6. 加载本地 H5（allowingReadAccessTo 必须给 lobbyRoot 才能跨目录引用资源）
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splash.update(text: "加载大厅...", progress: nil)
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bridgedWebView.webView.loadFileURL(
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SandboxPaths.lobbyIndex,
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allowingReadAccessTo: SandboxPaths.lobbyRoot
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)
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}
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// MARK: - Alerts (terminal / retry states)
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private var appDisplayName: String {
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(Bundle.main.infoDictionary?["CFBundleDisplayName"] as? String)
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?? (Bundle.main.infoDictionary?["CFBundleName"] as? String)
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?? "提示"
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}
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private func showBlockingAlert(message: String) {
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let alert = UIAlertController(
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title: "\(appDisplayName) 提醒",
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message: message,
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preferredStyle: .alert
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)
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alert.addAction(UIAlertAction(title: "确定", style: .default))
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present(alert, animated: true)
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}
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private func showIPAUpgradeAlert(downloadURL: String) {
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let alert = UIAlertController(
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title: "需要升级",
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message: "检测到新版本，请前往下载安装。",
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preferredStyle: .alert
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)
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alert.addAction(UIAlertAction(title: "确定", style: .default) { _ in
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if let url = URL(string: downloadURL) {
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UIApplication.shared.open(url)
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}
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})
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present(alert, animated: true)
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}
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private func showFatalAlert(error: Error) {
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let alert = UIAlertController(
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title: "启动失败",
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message: "\(error)",
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preferredStyle: .alert
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)
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alert.addAction(UIAlertAction(title: "重试", style: .default) { [weak self] _ in
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Task { @MainActor in
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await self?.runBootPipeline()
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}
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})
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present(alert, animated: true)
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}
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}
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// MARK: - WKNavigationDelegate
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extension WebContainerViewController: WKNavigationDelegate {
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public func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
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// H5 大厅已经渲染完毕，此时把 splash 从 0.3s 内淡出再 removeFromSuperview，
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// 避免黑屏闪烁也避免后续 superview 再持有这层不必要的视图。
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UIView.animate(withDuration: 0.3, animations: { [weak self] in
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self?.splash.alpha = 0
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}, completion: { [weak self] _ in
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self?.splash.removeFromSuperview()
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})
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}
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}
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// MARK: - SplashOverlay
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//
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// 与 LaunchScreen 同款启动图 + UIProgressView + 状态文字标签的复合 view。
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// 单文件私有：仅 WebContainerViewController 使用；若 Phase 6 子游戏容器复用，再抽出。
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private final class SplashOverlay: UIView {
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private let imageView = UIImageView()
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private let progressView = UIProgressView(progressViewStyle: .default)
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private let label = UILabel()
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init() {
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super.init(frame: .zero)
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backgroundColor = .black
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imageView.contentMode = .scaleAspectFill
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imageView.image = UIImage(named: "SplashImage")
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imageView.clipsToBounds = true
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imageView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(imageView)
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label.textColor = .white
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label.font = .systemFont(ofSize: 14, weight: .medium)
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label.textAlignment = .center
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label.numberOfLines = 1
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label.translatesAutoresizingMaskIntoConstraints = false
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addSubview(label)
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progressView.translatesAutoresizingMaskIntoConstraints = false
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progressView.isHidden = true
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addSubview(progressView)
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NSLayoutConstraint.activate([
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imageView.topAnchor.constraint(equalTo: topAnchor),
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imageView.bottomAnchor.constraint(equalTo: bottomAnchor),
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imageView.leadingAnchor.constraint(equalTo: leadingAnchor),
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imageView.trailingAnchor.constraint(equalTo: trailingAnchor),
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label.centerXAnchor.constraint(equalTo: centerXAnchor),
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label.bottomAnchor.constraint(equalTo: safeAreaLayoutGuide.bottomAnchor, constant: -32),
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label.leadingAnchor.constraint(greaterThanOrEqualTo: leadingAnchor, constant: 24),
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label.trailingAnchor.constraint(lessThanOrEqualTo: trailingAnchor, constant: -24),
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progressView.centerXAnchor.constraint(equalTo: centerXAnchor),
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progressView.bottomAnchor.constraint(equalTo: label.topAnchor, constant: -12),
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progressView.widthAnchor.constraint(equalTo: widthAnchor, multiplier: 0.45)
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])
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) { fatalError("SplashOverlay does not support init(coder:)") }
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func update(text: String, progress: Double?) {
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label.text = text
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if let p = progress {
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progressView.isHidden = false
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progressView.setProgress(Float(p), animated: true)
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} else {
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progressView.isHidden = true
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progressView.setProgress(0, animated: false)
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}
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}
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}
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