docs: 补充注释、修正过时文档、清理重复内容
源码注释: - 为 ~60 个 Swift 文件补充缺失的 doc comment(file header、类型、属性、方法) - 修正 4 处错误注释:翻页模式数量、搜索行为描述、手势识别器描述、悬空文档块 文档维护: - 删除重复文档:WXRead/读书EPUB阅读器实现架构.md(与微信读书版完全一致) - 合并重叠文档:阅读器规划.md → 阅读器功能开发计划.md(单一真值) - 修正过时内容:所有文档中"四种翻页模式"→"三种",移除 horizontalCoverScroll - 更新架构图:补齐 EPUBUI/ReaderController、Paging/、Typesetter/ 等子目录 - 更新 index.md 索引:新增开发计划和架构对比文档引用
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@@ -1,5 +1,7 @@
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import UIKit
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/// 视口监测器,监听视图布局和屏幕旋转等视口变化事件,
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/// 检测变化是否显著,必要时触发重新分页或内容重建。
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final class RDEPUBReaderViewportMonitor {
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private unowned let context: RDEPUBReaderContext
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@@ -16,6 +18,7 @@ final class RDEPUBReaderViewportMonitor {
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context.controller
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}
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/// 视图布局完成后检查视口是否发生变化,首次布局时触发初始加载
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func viewDidLayoutSubviews() {
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guard let controller else { return }
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guard let viewportSignature = currentViewportSignature() else { return }
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@@ -38,6 +41,8 @@ final class RDEPUBReaderViewportMonitor {
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handleViewportChangeIfNeeded(reason: .viewLayout, viewportSignature: viewportSignature)
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}
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/// 屏幕旋转前捕获当前阅读位置,旋转完成后检测视口变化并处理
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/// - Parameter coordinator: 转场协调器
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func viewWillTransition(with coordinator: UIViewControllerTransitionCoordinator) {
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guard let controller else { return }
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guard controller.didStartInitialLoad else { return }
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@@ -52,6 +57,7 @@ final class RDEPUBReaderViewportMonitor {
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}
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}
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/// 重置所有视口状态,用于重新加载书籍
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func resetForReload() {
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lastAppliedViewportSignature = currentViewportSignature()
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pendingViewportChangeReason = nil
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@@ -59,16 +65,19 @@ final class RDEPUBReaderViewportMonitor {
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isWaitingForViewportTransitionCompletion = false
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}
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/// 消费并返回待恢复的阅读位置(一次性读取后清空)
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func consumePendingPresentationRestoreLocation() -> RDEPUBLocation? {
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defer { pendingPresentationRestoreLocation = nil }
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return pendingPresentationRestoreLocation
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}
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/// 主动捕获当前阅读位置到待恢复队列,供后续视口变化后恢复使用
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func capturePendingPresentationRestoreLocation() {
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guard let controller else { return }
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pendingPresentationRestoreLocation = controller.currentVisibleLocation() ?? controller.persistenceLocation()
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}
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/// 分页完成后处理挂起的视口变化(如有),避免分页过程中重复触发
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func processPendingChangeAfterPagination() {
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guard let pendingReason = pendingViewportChangeReason else { return }
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pendingViewportChangeReason = nil
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@@ -77,6 +86,7 @@ final class RDEPUBReaderViewportMonitor {
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}
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}
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/// 获取当前视口签名,包含容器尺寸和安全区域信息
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func currentViewportSignature() -> RDEPUBViewportSignature? {
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guard let controller else { return nil }
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let containerSize = controller.readerView.bounds.size == .zero ? controller.view.bounds.size : controller.readerView.bounds.size
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@@ -92,6 +102,7 @@ final class RDEPUBReaderViewportMonitor {
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)
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}
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/// 检测视口签名是否发生显著变化,若变化则触发重新分页或重建外部 TextBook
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func handleViewportChangeIfNeeded(
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reason: RDEPUBViewportChangeReason,
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viewportSignature: RDEPUBViewportSignature? = nil
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