joywayerandClaude Opus 4.7
0e446df97a
跟错误态"重试"主按钮 systemBlue 视觉一致；轨道用 .label 系统语义色 的 15% alpha，浅深模式自适应（浅模式淡灰、深模式淡白），在浅色启动图 上比默认 UIProgressView 灰条更显眼。 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
674 lines
30 KiB
Swift
674 lines
30 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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import Network
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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: - Handlers (有状态的 handler 注册器持有，无状态的走 enum 静态 register)
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private let shakeHandler = ShakeHandler()
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// MARK: - .subGameDidReturn 观察者（子游戏 backgameData pop 后回大厅，反向 callback getWebdata）
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private var subGameReturnObserver: NSObjectProtocol?
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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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registerBridgeHandlers()
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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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/// 注册所有 H5 → Native handler 的单一聚合点。
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/// Phase 1.15 仅 vibrator；Phase 2.A 扩展到 8 个 handler 模块。
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private func registerBridgeHandlers() {
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let bridge = bridgedWebView.bridge
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// Phase 1.15
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VibratorHandler.register(on: bridge) // §3.1 ［10］［11］［12］扩展
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// Phase 2.A 大厅简单 handler（无外部依赖）
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ClipboardHandler.register(on: bridge) // §3.1 ［13］［14］
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shakeHandler.register(on: bridge) // §3.1 ［7］［8］［9］ + §3.2 ［5］
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VoicePlayingHandler.register(on: bridge) // §3.1 ［6］
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DeviceInfoHandler.register(on: bridge) // §3.1 ［21］ + §3.2 ［1］
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BrowserHandler.register(on: bridge) // §3.1 ［16］
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OpenSaomaHandler.register(on: bridge) // §3.1 ［22］空 stub
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StartLocationHandler.register(on: bridge) // §3.1 ［20］Phase 5 完整实现，Phase 2 stub
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// Phase 3.A 本地音频 + 3.C/3.D stub
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LocalAudioHandler.register(on: bridge) // §3.1 ［3］srcIsloop 完整实现
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RemoteAudioHandler.register(on: bridge) // §3.1 ［4］［5］Phase 3.B/3.C/3.D stub
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// Phase 4.A 登录 + 分享 stub（Phase 4.B 微信 SDK / Phase 4.C QQ URL Scheme 后升级）
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AccreditLoginHandler.register(on: bridge) // §3.1 ［1］Phase 4.E 完整微信 SDK
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FriendsShareHandler.register(on: bridge) // §3.1 ［2］Phase 4.B 完整框架（QQ/抖音 已 4.C/4.D 落地）
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// Phase 6.4 / 7 子游戏 + 弹层入口 stub（让 H5 业务期调时不报 "no handler"）
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SwitchOverGameHandler.register(on: bridge) // §3.1 ［17］Phase 6 完整实现
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OpenurlTitleDataHandler.register(on: bridge) // §3.1 ［15］Phase 7 完整实现
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}
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// MARK: - 摇一摇支持
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// motionEnded 必须 first responder 才触发；canBecomeFirstResponder = true +
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// viewDidAppear becomeFirstResponder。详见 Design §8.7.1。
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public override var canBecomeFirstResponder: Bool { true }
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public override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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// 外部订阅生命周期：栈顶时挂钩，避免子游戏 push 上来后双发（§2.4.2）
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setupExternalSubscriptions()
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}
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public override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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becomeFirstResponder()
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}
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public override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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teardownExternalSubscriptions()
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}
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public override func motionEnded(_ motion: UIEvent.EventSubtype, with event: UIEvent?) {
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shakeHandler.handleMotionEnded(motion)
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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）：清除错误态 + 重置 splash
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stopBootRetryWaiting()
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splash.hideError()
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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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// 运营杀手锏：modal alert（业务流程信号，不是技术错误）
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showBlockingAlert(message: msg)
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} catch BootError.ipaUpgradeRequired(let dl) {
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// IPA 升级 modal alert（业务流程信号）
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showIPAUpgradeAlert(downloadURL: dl)
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} catch {
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// 网络 / 本地资源 / 解析等可重试错误 → 在 splash 上展示错误态
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// （不弹 modal、不暴露原始 NSError），并启动 NWPathMonitor 静默自动重试
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presentBootError(error)
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}
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}
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/// 在 splash 上展示错误态（不弹 modal alert）。同时启动 NWPathMonitor 静默监听网络
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/// 恢复事件，自动触发一次重试。raw error 仍 print 到 Xcode console 便于开发期排查。
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///
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/// 用户点"重试"会直接重跑 runBootPipeline → RemoteConfigClient 重新发起 URLSession
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/// 请求。**这正是 Apple 推荐的「让网络请求自然触发权限弹窗」模式**：
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/// - 首次启动若系统网络权限弹窗未响应/被拒，重新发请求会再次触发系统对权限状态
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/// 的评估，可能再次弹窗（视 iOS 行为，多数情况下未响应的弹窗会复弹）
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/// - 用户在 iOS 隐私管理里改了权限后回 app，点重试就能成功
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/// - NWPathMonitor 也在静默监听，无需用户点重试，切到正常网络后自动重试
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private func presentBootError(_ error: any Error) {
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let kind = Self.classifyBootError(error)
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print("[Boot] presentBootError kind=\(kind) underlying:", error)
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let title: String
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let message: String
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switch kind {
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case .networkOffline:
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title = "当前未联网"
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message = "请检查 Wi-Fi 或蜂窝数据后重试。"
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case .networkTimeout:
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title = "网络较慢"
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message = "连接超时，请稍后重试。"
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case .networkCannotReach:
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title = "暂时无法连接服务器"
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message = "网络似乎不太通畅，请稍后重试。"
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case .localResourceMissing:
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title = "资源加载失败"
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message = "请尝试重启 app；若仍未恢复，请重新安装。"
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case .unknown:
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title = "启动遇到问题"
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message = "请稍后重试。"
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}
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splash.onRetry = { [weak self] in
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Task { @MainActor in await self?.runBootPipeline() }
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}
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splash.showError(title: title, message: message)
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// 静默后台监听网络恢复，从无网 → 有网时自动重试一次
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// （行业主流体验：用户切到 Wi-Fi 后无需手动操作即自动进入大厅）
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startBootRetryWaiting()
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}
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/// 启动期 NWPathMonitor。仅在 splash 错误态期间存活；进入大厅或用户主动重试时销毁。
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/// 仅在"从无网变有网"时触发自动重试，避免初始 satisfied 状态导致死循环。
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private var bootRetryPathMonitor: NWPathMonitor?
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private func startBootRetryWaiting() {
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stopBootRetryWaiting()
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let m = NWPathMonitor()
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let queue = DispatchQueue(label: "ylgamehall.boot-retry", qos: .utility)
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nonisolated(unsafe) var previousSatisfied: Bool? = nil
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m.pathUpdateHandler = { [weak self] path in
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let isSatisfied = (path.status == .satisfied)
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let prev = previousSatisfied
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previousSatisfied = isSatisfied
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// 仅从 false 转 true 触发自动重试；初始 nil（首次回调）不触发
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guard prev == false, isSatisfied else { return }
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Task { @MainActor in
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guard let self else { return }
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print("[Boot] 网络恢复，自动重试启动流水线")
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await self.runBootPipeline()
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}
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}
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m.start(queue: queue)
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bootRetryPathMonitor = m
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}
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private func stopBootRetryWaiting() {
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bootRetryPathMonitor?.cancel()
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bootRetryPathMonitor = nil
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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（**强约束**：必须拿到正确远端 config 才进大厅）
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//
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// 关键决策：**不能**在远端 config 失败时走 fallback 直接进大厅。
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// 原因：远端 config 包含「本地 appVersion 是否落后于远端」的升级判定，
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// 跳过 = 用户用旧版本不被强制升级 = 业务风险。
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//
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// 失败处理 UX（行业主流：停在 splash 显示错误态 + 自动重试）：
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// - 抛出网络错误 → 外层 runBootPipeline catch → splash.showError
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// - 同时启动 NWPathMonitor，网络从无变有时自动重试一次
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// - 用户也可手动点 splash 上的「重试」/「前往系统设置」按钮
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// - 永不弹 modal alert / 永不暴露原始 NSError
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splash.update(text: "拉取配置中...", progress: nil)
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let resolved: ResolvedVersion
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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：服务端响应被替换为短文本，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 r = 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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// 运营杀手锏 #2：showmessage 非空 → 弹窗永停
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if let msg = r.showmessage, !msg.isEmpty {
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throw BootError.operationalMessage(msg)
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}
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// IPA 升级（远端 appVersion > 本地）：弹窗 + Safari 外链永停
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if r.appVersion > LocalVersionReader.localAppVersion,
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let dl = r.appDownload {
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throw BootError.ipaUpgradeRequired(downloadURL: dl)
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}
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// H5 zip 升级失败仍致命（用户体验 ≠ 静默用旧 zip）—— 抛出由外层 splash.showError
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// LobbyZipUpgrader.onProgress 由 URLSession delegate 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: r,
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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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resolved = r
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}
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// 6. 在 loadFileURL 之前写 4 个 app_*.js（与原 msext NewRootVC.initJSdata 等价时序）
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// 详见 docs/H5-Native-Implementation-Design.md §7.5
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try writeAppDataFiles(resolved: resolved)
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// 7. 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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/// 写 4 个 app_*.js 文件首次值（loadFileURL 之前调一次，monitor 已启动）。
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/// 业务期变化的桥事件挂钩由 `setupExternalSubscriptions` / `teardownExternalSubscriptions`
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/// 配对管理（详见 Design §2.4.2 ExternalSubscriptions 生命周期），避免大厅 push
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/// 子游戏后两个 VC 都在监听导致 H5 收到双倍桥事件。
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private func writeAppDataFiles(resolved: ResolvedVersion) throws {
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let writer = AppDataWriter(
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bundleConfig: .shared,
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resolvedVersion: resolved,
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containerRole: .lobby
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)
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// 启动 2 个 currentXxx 类 monitor（幂等）以便读首次值；
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// AppLifecycleObserver 不需要 currentXxx，挪到 setup 启动
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NetworkMonitor.shared.start()
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BatteryMonitor.shared.start()
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// 首次写入：4 个文件全部落盘
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try writer.writeInitial()
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try writer.writeBattery(BatteryMonitor.shared.currentLevel)
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try writer.writeNetwork(NetworkMonitor.shared.currentCode)
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}
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// MARK: - 外部订阅生命周期（Phase 2.C / Design §2.4.2）
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//
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// 把 battery / network / appservice 三个外部事件源的订阅挂钩与 VC 生命周期
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// 配对：viewWillAppear → setup，viewWillDisappear → teardown。
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// 配套约束：未来 Phase 6 子游戏 push 上来时，大厅的 viewWillDisappear 会自动
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// 触发 teardown，避免桥事件双发（参 §2.4.3 栈深 ≤ 2）。
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//
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// 业务期变化时**不重写文件**，改为直接 evaluateJavaScript 重新赋值 window.app_*
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// 全局变量（H5 已加载完，<script src> 不会再 fetch；重新赋值后 H5 业务期同步读
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// app_xxx 永远拿到最新值）。同时触发 §3.2 反向 callback 推送给注册了 handler 的
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// H5 业务。详见 docs/H5-Native-Implementation-Design.md §7.5.2 / §7.5.4。
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private func setupExternalSubscriptions() {
|
||
// 幂等启动 3 个 monitor（writeAppDataFiles 可能已经启动了 NetworkMonitor /
|
||
// BatteryMonitor；AppLifecycleObserver 在 setup 内首次启动）
|
||
NetworkMonitor.shared.start()
|
||
BatteryMonitor.shared.start()
|
||
AppLifecycleObserver.shared.start()
|
||
|
||
let bridge = bridgedWebView.bridge
|
||
let webView = bridgedWebView.webView
|
||
|
||
// §3.2 ［2］ getBattery — UIDevice 电量变化
|
||
BatteryMonitor.shared.onChange = { level in
|
||
let value = String(format: "%.2f", level)
|
||
Task { @MainActor in
|
||
_ = try? await webView.evaluateJavaScript("window.app_getbattery=\(value);")
|
||
}
|
||
bridge.call("getBattery", data: .string(value), callback: nil)
|
||
}
|
||
|
||
// §3.2 ［3］ getnetwork — NWPath 变化（1 无网 / 2 WiFi / 3 蜂窝）
|
||
NetworkMonitor.shared.onChange = { code in
|
||
Task { @MainActor in
|
||
_ = try? await webView.evaluateJavaScript("window.app_getnetwork=\(code);")
|
||
}
|
||
bridge.call("getnetwork", data: .string("\(code)"), callback: nil)
|
||
}
|
||
|
||
// §3.2 ［4］ appservice — App 前后台切换（命名错位沿用历史）
|
||
AppLifecycleObserver.shared.onBackground = {
|
||
bridge.call("appservice", data: .string("1"), callback: nil)
|
||
}
|
||
AppLifecycleObserver.shared.onForeground = {
|
||
bridge.call("appservice", data: .string("2"), callback: nil)
|
||
}
|
||
|
||
// §3.2 ［12］ getWebdata — 子游戏 pop 回大厅，反向把 backgameData 入参透传给 H5
|
||
// （msext NewRootVC 监听 "backgameDatatwo" 通知 → callHandler:"getWebdata" 等价）
|
||
// 大厅栈顶时挂钩，pop 进子游戏时由 viewWillDisappear teardown 解绑，避免双发。
|
||
subGameReturnObserver = NotificationCenter.default.addObserver(
|
||
forName: .subGameDidReturn,
|
||
object: nil,
|
||
queue: .main
|
||
) { note in
|
||
// queue=.main 保证 closure 在主线程；显式 hop 让 Swift 6 actor 推断通过
|
||
let data = (note.userInfo?["data"] as? String) ?? ""
|
||
MainActor.assumeIsolated {
|
||
bridge.call("getWebdata", data: .string(data), callback: nil)
|
||
}
|
||
}
|
||
}
|
||
|
||
private func teardownExternalSubscriptions() {
|
||
// 仅解绑 onChange / on{Background,Foreground} 回调，monitor 继续在
|
||
// 后台运行（保持 currentXxx 状态新鲜），下次 setup 时直接 resume。
|
||
// 单例 monitor 全局只有一个 closure 引用，子游戏 setup 时会覆盖；
|
||
// 大厅 viewWillDisappear 时 teardown 释放对当前 bridge/webView 的引用
|
||
// 避免双发。
|
||
BatteryMonitor.shared.onChange = nil
|
||
NetworkMonitor.shared.onChange = nil
|
||
AppLifecycleObserver.shared.onBackground = nil
|
||
AppLifecycleObserver.shared.onForeground = nil
|
||
|
||
if let token = subGameReturnObserver {
|
||
NotificationCenter.default.removeObserver(token)
|
||
subGameReturnObserver = nil
|
||
}
|
||
}
|
||
|
||
// MARK: - Alerts (terminal / retry states)
|
||
|
||
private var appDisplayName: String {
|
||
(Bundle.main.infoDictionary?["CFBundleDisplayName"] as? String)
|
||
?? (Bundle.main.infoDictionary?["CFBundleName"] as? String)
|
||
?? "提示"
|
||
}
|
||
|
||
private func showBlockingAlert(message: String) {
|
||
let alert = UIAlertController(
|
||
title: "\(appDisplayName) 提醒",
|
||
message: message,
|
||
preferredStyle: .alert
|
||
)
|
||
alert.addAction(UIAlertAction(title: "确定", style: .default))
|
||
present(alert, animated: true)
|
||
}
|
||
|
||
private func showIPAUpgradeAlert(downloadURL: String) {
|
||
let alert = UIAlertController(
|
||
title: "需要升级",
|
||
message: "检测到新版本，请前往下载安装。",
|
||
preferredStyle: .alert
|
||
)
|
||
alert.addAction(UIAlertAction(title: "确定", style: .default) { _ in
|
||
if let url = URL(string: downloadURL) {
|
||
UIApplication.shared.open(url)
|
||
}
|
||
})
|
||
present(alert, animated: true)
|
||
}
|
||
|
||
/// 启动期错误的分类。剥 RemoteConfigError.allRetriesFailed 找到 underlying NSURLError，
|
||
/// 按 NSURLErrorDomain code 映射到友好类别；非 NSURLError 视作本地资源问题。
|
||
/// 给 `presentBootError` 决定 splash 错误态的标题/正文/按钮组合用。
|
||
private enum BootErrorKind {
|
||
case networkOffline
|
||
case networkTimeout
|
||
case networkCannotReach
|
||
case localResourceMissing
|
||
case unknown
|
||
}
|
||
|
||
private static func classifyBootError(_ error: Error) -> BootErrorKind {
|
||
// 剥洋葱：RemoteConfigError.allRetriesFailed(underlying:) → 内层
|
||
var actual: any Error = error
|
||
if case let RemoteConfigError.allRetriesFailed(inner) = error {
|
||
actual = inner
|
||
}
|
||
let ns = actual as NSError
|
||
guard ns.domain == NSURLErrorDomain else {
|
||
// 非网络错误（FileManager / Codable 等）视作本地资源问题
|
||
return .localResourceMissing
|
||
}
|
||
switch ns.code {
|
||
case NSURLErrorNotConnectedToInternet:
|
||
return .networkOffline
|
||
case NSURLErrorTimedOut:
|
||
return .networkTimeout
|
||
case NSURLErrorCannotFindHost,
|
||
NSURLErrorCannotConnectToHost,
|
||
NSURLErrorNetworkConnectionLost,
|
||
NSURLErrorDNSLookupFailed,
|
||
NSURLErrorInternationalRoamingOff,
|
||
NSURLErrorCallIsActive,
|
||
NSURLErrorDataNotAllowed:
|
||
return .networkCannotReach
|
||
default:
|
||
return .networkCannotReach
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: - WKNavigationDelegate
|
||
|
||
extension WebContainerViewController: WKNavigationDelegate {
|
||
public func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
|
||
// H5 大厅已经渲染完毕，此时把 splash 从 0.3s 内淡出再 removeFromSuperview，
|
||
// 避免黑屏闪烁也避免后续 superview 再持有这层不必要的视图。
|
||
UIView.animate(withDuration: 0.3, animations: { [weak self] in
|
||
self?.splash.alpha = 0
|
||
}, completion: { [weak self] _ in
|
||
self?.splash.removeFromSuperview()
|
||
})
|
||
}
|
||
}
|
||
|
||
// MARK: - SplashOverlay
|
||
//
|
||
// 与 LaunchScreen 同款启动图 + UIProgressView + 状态文字标签的复合 view。
|
||
// 单文件私有：仅 WebContainerViewController 使用；若 Phase 6 子游戏容器复用，再抽出。
|
||
|
||
private final class SplashOverlay: UIView {
|
||
|
||
private let imageView = UIImageView()
|
||
private let progressView = UIProgressView(progressViewStyle: .default)
|
||
private let label = UILabel()
|
||
|
||
// 错误态 UI（默认隐藏；showError 时显示，覆盖在 label/progress 区域）
|
||
private let errorContainer = UIStackView()
|
||
private let errorTitleLabel = UILabel()
|
||
private let errorMessageLabel = UILabel()
|
||
private let retryButton = UIButton(type: .system)
|
||
|
||
/// 用户点重试按钮时调（启动期 splash 期间）
|
||
var onRetry: (() -> Void)?
|
||
|
||
init() {
|
||
super.init(frame: .zero)
|
||
backgroundColor = .black
|
||
|
||
// 与 LaunchScreen.storyboard 同款 contentMode：素材是 1136×640 横屏画面，
|
||
// 在更宽的现代横屏设备上用 scaleAspectFit 左右补黑边（黑底统一），
|
||
// 避免 scaleAspectFill 把 logo 上下裁切；同时确保 LaunchScreen → WebContainer
|
||
// 视觉过渡时不出现裁切方式跳变。
|
||
imageView.contentMode = .scaleAspectFit
|
||
imageView.image = UIImage(named: "SplashImage")
|
||
imageView.clipsToBounds = true
|
||
imageView.translatesAutoresizingMaskIntoConstraints = false
|
||
addSubview(imageView)
|
||
|
||
label.textColor = .white
|
||
label.font = .systemFont(ofSize: 14, weight: .medium)
|
||
label.textAlignment = .center
|
||
label.numberOfLines = 1
|
||
label.translatesAutoresizingMaskIntoConstraints = false
|
||
addSubview(label)
|
||
|
||
progressView.translatesAutoresizingMaskIntoConstraints = false
|
||
progressView.isHidden = true
|
||
// 与错误态主按钮（"重试"）配色一致，进度条用 systemBlue；
|
||
// 轨道用 .label 的 15% alpha，浅深模式自适应（浅模式淡灰、深模式淡白）
|
||
progressView.progressTintColor = .systemBlue
|
||
progressView.trackTintColor = UIColor.label.withAlphaComponent(0.15)
|
||
addSubview(progressView)
|
||
|
||
setupErrorContainer()
|
||
|
||
NSLayoutConstraint.activate([
|
||
imageView.topAnchor.constraint(equalTo: topAnchor),
|
||
imageView.bottomAnchor.constraint(equalTo: bottomAnchor),
|
||
imageView.leadingAnchor.constraint(equalTo: leadingAnchor),
|
||
imageView.trailingAnchor.constraint(equalTo: trailingAnchor),
|
||
|
||
label.centerXAnchor.constraint(equalTo: centerXAnchor),
|
||
label.bottomAnchor.constraint(equalTo: safeAreaLayoutGuide.bottomAnchor, constant: -32),
|
||
label.leadingAnchor.constraint(greaterThanOrEqualTo: leadingAnchor, constant: 24),
|
||
label.trailingAnchor.constraint(lessThanOrEqualTo: trailingAnchor, constant: -24),
|
||
|
||
progressView.centerXAnchor.constraint(equalTo: centerXAnchor),
|
||
progressView.bottomAnchor.constraint(equalTo: label.topAnchor, constant: -12),
|
||
progressView.widthAnchor.constraint(equalTo: widthAnchor, multiplier: 0.45),
|
||
|
||
errorContainer.centerXAnchor.constraint(equalTo: centerXAnchor),
|
||
errorContainer.centerYAnchor.constraint(equalTo: centerYAnchor, constant: 60),
|
||
errorContainer.leadingAnchor.constraint(greaterThanOrEqualTo: leadingAnchor, constant: 24),
|
||
errorContainer.trailingAnchor.constraint(lessThanOrEqualTo: trailingAnchor, constant: -24),
|
||
errorContainer.widthAnchor.constraint(lessThanOrEqualTo: widthAnchor, multiplier: 0.7)
|
||
])
|
||
}
|
||
|
||
@available(*, unavailable)
|
||
required init?(coder: NSCoder) { fatalError("SplashOverlay does not support init(coder:)") }
|
||
|
||
func update(text: String, progress: Double?) {
|
||
label.text = text
|
||
if let p = progress {
|
||
progressView.isHidden = false
|
||
progressView.setProgress(Float(p), animated: true)
|
||
} else {
|
||
progressView.isHidden = true
|
||
progressView.setProgress(0, animated: false)
|
||
}
|
||
}
|
||
|
||
/// 显示错误态。隐藏 imageView / label / progress，背景改为浅色系统背景，
|
||
/// 展示 title + message + 单个"重试"按钮（点击触发 onRetry）。
|
||
/// 启动图是浅色 + 复杂图案（不适合在上面叠文字），错误态下改纯净浅背景对比清晰。
|
||
func showError(title: String, message: String) {
|
||
imageView.isHidden = true
|
||
label.isHidden = true
|
||
progressView.isHidden = true
|
||
backgroundColor = .systemBackground
|
||
errorTitleLabel.text = title
|
||
errorMessageLabel.text = message
|
||
errorContainer.isHidden = false
|
||
}
|
||
|
||
/// 关闭错误态，恢复 splash 默认状态（启动图 + loading 文案；runBootPipeline 重新进入时调）。
|
||
func hideError() {
|
||
errorContainer.isHidden = true
|
||
imageView.isHidden = false
|
||
label.isHidden = false
|
||
backgroundColor = .black
|
||
}
|
||
|
||
private func setupErrorContainer() {
|
||
// 错误态在浅色 systemBackground 上展示，文字用 .label / .secondaryLabel
|
||
// 系统语义色（浅模式深、深模式浅），保证两种 iOS appearance 下都看得清。
|
||
errorTitleLabel.textColor = .label
|
||
errorTitleLabel.font = .systemFont(ofSize: 18, weight: .semibold)
|
||
errorTitleLabel.textAlignment = .center
|
||
errorTitleLabel.numberOfLines = 1
|
||
|
||
errorMessageLabel.textColor = .secondaryLabel
|
||
errorMessageLabel.font = .systemFont(ofSize: 14)
|
||
errorMessageLabel.textAlignment = .center
|
||
errorMessageLabel.numberOfLines = 0
|
||
|
||
var cfg = UIButton.Configuration.filled()
|
||
cfg.title = "重试"
|
||
cfg.baseBackgroundColor = .systemBlue
|
||
cfg.baseForegroundColor = .white
|
||
cfg.cornerStyle = .medium
|
||
cfg.contentInsets = NSDirectionalEdgeInsets(top: 8, leading: 24, bottom: 8, trailing: 24)
|
||
retryButton.configuration = cfg
|
||
|
||
retryButton.addAction(UIAction { [weak self] _ in self?.onRetry?() }, for: .touchUpInside)
|
||
|
||
errorContainer.axis = .vertical
|
||
errorContainer.alignment = .center
|
||
errorContainer.spacing = 12
|
||
errorContainer.isHidden = true
|
||
errorContainer.translatesAutoresizingMaskIntoConstraints = false
|
||
errorContainer.addArrangedSubview(errorTitleLabel)
|
||
errorContainer.addArrangedSubview(errorMessageLabel)
|
||
errorContainer.addArrangedSubview(retryButton)
|
||
addSubview(errorContainer)
|
||
|
||
NSLayoutConstraint.activate([
|
||
retryButton.heightAnchor.constraint(equalToConstant: 40),
|
||
retryButton.widthAnchor.constraint(greaterThanOrEqualToConstant: 120)
|
||
])
|
||
}
|
||
}
|