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
53 lines
1.2 KiB
Swift
53 lines
1.2 KiB
Swift
import Foundation
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final class RDEPUBRuntimeChapter {
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let spineIndex: Int
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let href: String
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let title: String
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var sourceAttributedString: NSAttributedString?
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let typesetAttributedString: NSAttributedString
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let layouter: RDEPUBTextLayouter
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let pageRanges: [NSRange]
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let pages: [RDEPUBTextPage]
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let chapterOffsetMap: RDEPUBChapterOffsetMap
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init(
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spineIndex: Int,
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href: String,
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title: String,
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sourceAttributedString: NSAttributedString?,
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typesetAttributedString: NSAttributedString,
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layouter: RDEPUBTextLayouter,
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pageRanges: [NSRange],
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pages: [RDEPUBTextPage],
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chapterOffsetMap: RDEPUBChapterOffsetMap
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) {
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self.spineIndex = spineIndex
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self.href = href
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self.title = title
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self.sourceAttributedString = sourceAttributedString
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self.typesetAttributedString = typesetAttributedString
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self.layouter = layouter
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self.pageRanges = pageRanges
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self.pages = pages
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self.chapterOffsetMap = chapterOffsetMap
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}
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func releaseSourceText() {
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sourceAttributedString = nil
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}
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func updateCFIMap(_ cfiMap: RDEPUBCFIMap) {
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chapterOffsetMap.updateCFIMap(cfiMap)
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}
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}
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