feat(reader): 实现大书快速进入与增量分页路径

- PaginationCoordinator: 新增 textReflowable 快速进入路径,支持增量章节构建
  与 staged 合并策略,避免整书一次性构建的主线程阻塞
- TextBookBuilder: 重构为支持单章构建与增量合并模式
- ChapterPageCounter: 优化分页计数逻辑,支持章节级分页缓存
- PageFrameFactory: 新增 CoreText 页面帧工厂,提升排版性能
- ReaderContext/ReaderRuntime: 适配增量分页状态管理

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
shenlei
2026-06-02 21:16:57 +08:00
co-authored by Claude Opus 4.7
parent 488350d956
commit c76beed03c
15 changed files with 984 additions and 268 deletions
@@ -91,6 +91,7 @@ extension RDEPUBReaderController: RDReaderDataSource, RDReaderDelegate {
///
public func pageNum(readerView: RDReaderView, pageNum: Int) {
readerContext.markUserNavigationActivity()
updateCurrentSelection(nil)
reconcileTextPaginationSizeIfNeeded(for: pageNum)