feat: 架构整改 — Context拆分、Runtime拆分、异步章节加载、UI测试覆盖
Phase 1: Context 拆分 - 新增 RDEPUBReaderState/RDEPUBReaderEnvironment/RDEPUBReaderServices - RDEPUBReaderContext 改为过渡门面,代理到 State/Environment/Services Phase 2: Runtime 拆分 - 新增 RDEPUBPresentationRuntime 处理分页状态管理 - 新增 RDEPUBChapterWarmupOrchestrator 处理章节预热与加载编排 - RDEPUBReaderRuntime 从 1277 行收缩,公共 API 转发到新 facade Phase 0.5: 性能优化 - prepareOnDemandChapter 支持异步模式(allowSynchronousLoad: false) - extendPartialBookPageMapIfNeeded 改为 DispatchGroup 并发加载 - RDEPUBChapterOffsetMap.cfiMap 加 NSLock 保护数据竞争 - CFI Map 构建延迟到后台队列(scheduleDeferredCFIMapBuildIfNeeded) - RDEPUBTextPageRenderView 引入静态位图缓存 - RDEPUBTextContentView 新增 loadingSpinner 占位页 Phase 3: 状态机 - 新增 RDEPUBNavigationStateMachine(含 DEBUG 合法转换校验) - 新增 RDEPUBPaginationState 记录分页来源 Review 修复 - makeSummary 重复方法合并 - ensureNavigationTargetAvailable 同步路径加注释标记 UI 测试 - 新增 AsyncChapterLoadingTests(20 个测试,覆盖全部架构整改场景) - 跨章节翻页、延迟 CFI、状态机、内存警告、预加载、位置恢复等
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@@ -28,6 +28,10 @@ final class RDEPUBChapterRuntimeStore {
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private let buildingLock = NSLock()
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private var buildingCFIMapSpineIndices: Set<Int> = []
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private let cfiMapLock = NSLock()
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init() {
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imageCache.countLimit = 50
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@@ -142,9 +146,25 @@ final class RDEPUBChapterRuntimeStore {
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buildingLock.unlock()
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}
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func beginBuildingCFIMap(for spineIndex: Int) -> Bool {
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cfiMapLock.lock()
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defer { cfiMapLock.unlock() }
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let inserted = buildingCFIMapSpineIndices.insert(spineIndex).inserted
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return inserted
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}
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func endBuildingCFIMap(for spineIndex: Int) {
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cfiMapLock.lock()
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buildingCFIMapSpineIndices.remove(spineIndex)
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cfiMapLock.unlock()
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}
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func invalidateAllForSettingsChange() {
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chapterDataCache.removeAll()
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pageCountCache.removeAll()
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imageCache.removeAllObjects()
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cfiMapLock.lock()
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buildingCFIMapSpineIndices.removeAll()
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cfiMapLock.unlock()
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}
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}
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