5a41066b66
本次提交围绕 DTCoreText 文本页的分页一致性、交互索引和高亮命中进行了集中修复。 主要改动： 1. 文本页显示改为基于整章 attributed string 的上下文布局，只对当前页 range 进行渲染，避免页面子串重新换行导致的页末断行偏差。 2. 页面布局快照与交互控制器统一改为使用 chapter-absolute 索引，修正点击、选区、菜单锚点与高亮矩形在整章上下文下的定位。 3. 修复跨章节高亮串页问题，并调整文本页高亮命中逻辑：保留 CoreText 层绘制，点击时按高亮真实 rect 精确命中，避免重复绘制和整行误判。 4. 收紧 reader 级页面缓存策略，避免预加载同时持有多份整章显示副本带来的内存放大。 5. 新增分页边界校验器、垂直对齐器和 settings-flip 自动化调试入口，用于复现与诊断页范围/显示度量不一致问题。 6. 放宽 inline attachment 的 avoid-break 处理，并补充相关分页问题调查文档与索引。
85 lines
3.5 KiB
Swift
85 lines
3.5 KiB
Swift
import UIKit
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/// Debug-only automation (`--demo-settings-flip`) that replays the user
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/// gesture sequence suspected of producing stale page tables: open the
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/// settings panel, change the line height, close the panel, flip pages —
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/// with several timing variants aimed at the preview-repagination and
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/// in-flight chapter build races. Combine with
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/// `--demo-pagination-validate` to detect any resulting metric mismatch.
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enum RDEPUBSettingsFlipAutomation {
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static let isEnabled = ProcessInfo.processInfo.arguments.contains("--demo-settings-flip")
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private(set) static var hasStarted = false
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static func startIfNeeded(controller: RDEPUBReaderController) {
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guard isEnabled, !hasStarted else { return }
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hasStarted = true
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print("[SETTINGS-FLIP] scheduled")
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// Pass 1 starts while progressive pagination of the freshly opened
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// book is still running, so prefetch builds are in flight.
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run(after: 2.0) { [weak controller] in
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guard let controller else { return }
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pass(controller: controller, index: 1, lineHeight: 1.8, changeToCloseDelay: 1.2) {
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pass(controller: controller, index: 2, lineHeight: 1.6, changeToCloseDelay: 0.05) {
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pass(controller: controller, index: 3, lineHeight: 1.8, changeToCloseDelay: 0.3) {
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print("[SETTINGS-FLIP] finished all passes")
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}
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}
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}
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}
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}
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/// One panel round-trip: present → change line height → close after
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/// `changeToCloseDelay` → flip pages forward and back.
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private static func pass(
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controller: RDEPUBReaderController,
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index: Int,
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lineHeight: CGFloat,
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changeToCloseDelay: TimeInterval,
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completion: @escaping () -> Void
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) {
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print("[SETTINGS-FLIP] pass \(index) present panel")
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controller.presentSettings()
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run(after: 0.7) { [weak controller] in
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guard let controller else { return }
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print("[SETTINGS-FLIP] pass \(index) set lineHeightMultiple=\(lineHeight)")
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controller.updateConfiguration { $0.lineHeightMultiple = lineHeight }
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run(after: changeToCloseDelay) { [weak controller] in
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guard let controller else { return }
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print("[SETTINGS-FLIP] pass \(index) close panel")
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controller.dismiss(animated: true) { [weak controller] in
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controller?.runtime.settingsPanelDidDisappear()
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run(after: 1.0) { [weak controller] in
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guard let controller else { return }
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flipPages(controller: controller, index: index, completion: completion)
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}
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}
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}
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}
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}
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private static func flipPages(
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controller: RDEPUBReaderController,
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index: Int,
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completion: @escaping () -> Void
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) {
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let startPage = controller.readerView.currentPage + 1
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let offsets = [1, 2, 3, 2, 1, 0]
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print("[SETTINGS-FLIP] pass \(index) flip pages from \(startPage)")
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for (step, offset) in offsets.enumerated() {
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run(after: 0.6 * Double(step + 1)) { [weak controller] in
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_ = controller?.go(toPageNumber: startPage + offset, animated: false)
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}
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}
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run(after: 0.6 * Double(offsets.count + 1) + 0.5, block: completion)
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}
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private static func run(after delay: TimeInterval, block: @escaping () -> Void) {
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DispatchQueue.main.asyncAfter(deadline: .now() + delay, execute: block)
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}
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}
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