c76beed03c
- 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>
353 lines
14 KiB
Swift
353 lines
14 KiB
Swift
import UIKit
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// MARK: - 高亮管理面板
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/// EPUB 阅读器的高亮标注管理控制器
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/// 以列表形式展示所有高亮和批注，支持筛选（全部/批注/高亮）、跳转到位置、编辑批注、删除
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final class RDEPUBReaderHighlightsViewController: UITableViewController {
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/// 用户选择跳转到某个高亮位置时的回调
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var onSelectHighlight: ((RDEPUBHighlight) -> Void)?
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/// 用户编辑高亮批注后的回调
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var onUpdateHighlight: ((RDEPUBHighlight) -> Void)?
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/// 用户删除高亮时的回调
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var onDeleteHighlight: ((RDEPUBHighlight) -> Void)?
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/// 高亮列表（按创建时间降序排列）
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private var highlights: [RDEPUBHighlight]
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/// 当前主题配置
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private let theme: RDEPUBReaderTheme
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/// 提供章节标题的回调，用于显示高亮所在的章节名
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private let sectionTitleProvider: (RDEPUBHighlight) -> String?
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/// 筛选控件：全部、批注、高亮
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private let filterControl = UISegmentedControl(items: ["全部", "批注", "高亮"])
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private var filteredHighlights: [RDEPUBHighlight] {
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switch filterControl.selectedSegmentIndex {
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case 1:
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return highlights.filter(\.hasNote)
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case 2:
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return highlights.filter { $0.style == .highlight }
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default:
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return highlights
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}
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}
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init(
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highlights: [RDEPUBHighlight],
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theme: RDEPUBReaderTheme,
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sectionTitleProvider: @escaping (RDEPUBHighlight) -> String?
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) {
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self.highlights = highlights.sorted { $0.createdAt > $1.createdAt }
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self.theme = theme
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self.sectionTitleProvider = sectionTitleProvider
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super.init(style: .plain)
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title = "标注"
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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tableView.tableFooterView = UIView(frame: .zero)
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tableView.separatorInset = UIEdgeInsets(top: 0, left: 16, bottom: 0, right: 16)
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configureFilterControl()
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applyTheme()
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updateEmptyState()
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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filteredHighlights.count
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}
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let cellIdentifier = "HighlightCell"
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let cell = tableView.dequeueReusableCell(withIdentifier: cellIdentifier) ?? UITableViewCell(style: .subtitle, reuseIdentifier: cellIdentifier)
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let highlight = filteredHighlights[indexPath.row]
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cell.backgroundColor = theme.contentBackgroundColor
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cell.textLabel?.textColor = theme.contentTextColor
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cell.textLabel?.font = UIFont.systemFont(ofSize: 15, weight: .medium)
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cell.textLabel?.numberOfLines = 2
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cell.textLabel?.text = titleText(for: highlight)
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cell.detailTextLabel?.textColor = theme.contentTextColor.withAlphaComponent(0.7)
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cell.detailTextLabel?.font = UIFont.systemFont(ofSize: 12)
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cell.detailTextLabel?.numberOfLines = 3
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cell.detailTextLabel?.text = detailText(for: highlight)
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cell.accessoryType = .disclosureIndicator
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return cell
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}
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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tableView.deselectRow(at: indexPath, animated: true)
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presentActions(for: filteredHighlights[indexPath.row], sourceIndexPath: indexPath)
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}
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private func configureFilterControl() {
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filterControl.selectedSegmentIndex = 0
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filterControl.addTarget(self, action: #selector(filterChangedAction), for: .valueChanged)
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navigationItem.titleView = filterControl
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}
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private func applyTheme() {
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tableView.backgroundColor = theme.contentBackgroundColor
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navigationController?.navigationBar.tintColor = theme.toolControlTextColor
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navigationController?.navigationBar.barTintColor = theme.toolBackgroundColor
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navigationController?.navigationBar.titleTextAttributes = [.foregroundColor: theme.toolControlTextColor]
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}
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private func updateEmptyState() {
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guard filteredHighlights.isEmpty else {
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tableView.backgroundView = nil
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return
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}
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let label = UILabel()
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label.text = emptyStateText()
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label.textAlignment = .center
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label.textColor = theme.contentTextColor.withAlphaComponent(0.7)
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label.numberOfLines = 0
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tableView.backgroundView = label
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}
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@objc private func filterChangedAction() {
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tableView.reloadData()
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updateEmptyState()
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}
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private func emptyStateText() -> String {
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switch filterControl.selectedSegmentIndex {
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case 1:
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return "暂无批注"
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case 2:
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return "暂无划线"
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default:
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return "暂无标注"
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}
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}
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private func detailText(for highlight: RDEPUBHighlight) -> String {
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let style = styleDescription(for: highlight)
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let chapter = sectionTitleProvider(highlight)
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let note = normalizedNote(highlight.note)
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let parts = [style, chapter, note].compactMap { $0 }
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if !parts.isEmpty {
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return parts.joined(separator: "\n")
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}
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return highlight.location.href
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}
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private func titleText(for highlight: RDEPUBHighlight) -> String {
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let text = highlight.text.trimmingCharacters(in: .whitespacesAndNewlines)
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if highlight.hasNote {
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return "批注: \(text)"
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}
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return text
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}
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private func styleDescription(for highlight: RDEPUBHighlight) -> String {
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switch highlight.style {
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case .highlight:
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return highlight.hasNote ? "高亮批注" : "高亮"
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case .underline:
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return highlight.hasNote ? "划线批注" : "划线"
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}
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}
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private func presentActions(for highlight: RDEPUBHighlight, sourceIndexPath: IndexPath) {
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let alert = UIAlertController(title: "标注管理", message: nil, preferredStyle: .actionSheet)
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alert.addAction(UIAlertAction(title: "跳转到位置", style: .default) { [weak self] _ in
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self?.onSelectHighlight?(highlight)
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})
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alert.addAction(UIAlertAction(title: "编辑批注", style: .default) { [weak self] _ in
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self?.presentNoteEditor(for: highlight)
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})
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alert.addAction(UIAlertAction(title: "删除标注", style: .destructive) { [weak self] _ in
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self?.deleteHighlight(highlight)
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})
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alert.addAction(UIAlertAction(title: "取消", style: .cancel))
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if let popover = alert.popoverPresentationController,
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let cell = tableView.cellForRow(at: sourceIndexPath) {
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popover.sourceView = cell
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popover.sourceRect = cell.bounds
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}
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present(alert, animated: true)
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}
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private func presentNoteEditor(for highlight: RDEPUBHighlight) {
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let alert = UIAlertController(title: "编辑批注", message: nil, preferredStyle: .alert)
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alert.addTextField { textField in
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textField.placeholder = "输入批注内容"
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textField.text = highlight.note
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}
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alert.addAction(UIAlertAction(title: "取消", style: .cancel))
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alert.addAction(UIAlertAction(title: "保存", style: .default) { [weak self, weak alert] _ in
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guard let self,
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let note = alert?.textFields?.first?.text,
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let index = self.highlights.firstIndex(where: { $0.id == highlight.id }) else {
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return
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}
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var updated = highlight
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updated.note = self.normalizedNote(note)
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self.highlights[index] = updated
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self.tableView.reloadData()
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self.onUpdateHighlight?(updated)
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self.updateEmptyState()
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})
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present(alert, animated: true)
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}
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private func deleteHighlight(_ highlight: RDEPUBHighlight) {
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guard let index = highlights.firstIndex(where: { $0.id == highlight.id }) else { return }
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highlights.remove(at: index)
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tableView.reloadData()
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onDeleteHighlight?(highlight)
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updateEmptyState()
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}
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private func normalizedNote(_ note: String?) -> String? {
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let trimmed = note?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
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return trimmed.isEmpty ? nil : trimmed
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}
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}
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// MARK: - 书签管理面板
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/// EPUB 阅读器的书签管理控制器
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/// 以列表形式展示所有书签，支持跳转到书签位置和删除书签
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final class RDEPUBReaderBookmarksViewController: UITableViewController {
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/// 用户选择跳转到某个书签位置时的回调
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var onSelectBookmark: ((RDEPUBBookmark) -> Void)?
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/// 用户删除书签时的回调
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var onDeleteBookmark: ((RDEPUBBookmark) -> Void)?
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private var bookmarks: [RDEPUBBookmark]
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private let theme: RDEPUBReaderTheme
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private let dateFormatter: DateFormatter = {
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let formatter = DateFormatter()
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formatter.dateFormat = "yyyy-MM-dd HH:mm"
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return formatter
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}()
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init(bookmarks: [RDEPUBBookmark], theme: RDEPUBReaderTheme) {
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self.bookmarks = bookmarks.sorted { $0.createdAt > $1.createdAt }
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self.theme = theme
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super.init(style: .plain)
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title = "书签"
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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view.accessibilityIdentifier = "epub.reader.bookmarks.panel"
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tableView.accessibilityIdentifier = "epub.reader.bookmarks.table"
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tableView.tableFooterView = UIView(frame: .zero)
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tableView.separatorInset = UIEdgeInsets(top: 0, left: 16, bottom: 0, right: 16)
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applyTheme()
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updateEmptyState()
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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bookmarks.count
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}
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let cellIdentifier = "BookmarkCell"
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let cell = tableView.dequeueReusableCell(withIdentifier: cellIdentifier) ?? UITableViewCell(style: .subtitle, reuseIdentifier: cellIdentifier)
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let bookmark = bookmarks[indexPath.row]
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cell.backgroundColor = theme.contentBackgroundColor
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cell.textLabel?.textColor = theme.contentTextColor
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cell.textLabel?.font = UIFont.systemFont(ofSize: 15, weight: .medium)
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cell.textLabel?.numberOfLines = 2
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cell.textLabel?.text = titleText(for: bookmark)
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cell.detailTextLabel?.textColor = theme.contentTextColor.withAlphaComponent(0.7)
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cell.detailTextLabel?.font = UIFont.systemFont(ofSize: 12)
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cell.detailTextLabel?.numberOfLines = 3
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cell.detailTextLabel?.text = detailText(for: bookmark)
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cell.accessoryType = .disclosureIndicator
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return cell
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}
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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tableView.deselectRow(at: indexPath, animated: true)
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presentActions(for: bookmarks[indexPath.row], sourceIndexPath: indexPath)
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}
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private func applyTheme() {
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tableView.backgroundColor = theme.contentBackgroundColor
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navigationController?.navigationBar.tintColor = theme.toolControlTextColor
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navigationController?.navigationBar.barTintColor = theme.toolBackgroundColor
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navigationController?.navigationBar.titleTextAttributes = [.foregroundColor: theme.toolControlTextColor]
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navigationController?.navigationBar.accessibilityIdentifier = "epub.reader.bookmarks.navbar"
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}
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private func updateEmptyState() {
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guard bookmarks.isEmpty == false else {
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let label = UILabel()
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label.text = "暂无书签"
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label.textAlignment = .center
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label.textColor = theme.contentTextColor.withAlphaComponent(0.7)
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label.numberOfLines = 0
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tableView.backgroundView = label
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return
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}
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tableView.backgroundView = nil
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}
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private func titleText(for bookmark: RDEPUBBookmark) -> String {
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if let chapterTitle = bookmark.chapterTitle, !chapterTitle.isEmpty {
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return chapterTitle
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}
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return bookmark.location.href
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}
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private func detailText(for bookmark: RDEPUBBookmark) -> String {
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let parts = [
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dateFormatter.string(from: bookmark.createdAt),
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bookmark.note?.trimmingCharacters(in: .whitespacesAndNewlines),
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bookmark.location.href
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].compactMap { value -> String? in
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guard let value, !value.isEmpty else { return nil }
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return value
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}
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return parts.joined(separator: "\n")
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}
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private func presentActions(for bookmark: RDEPUBBookmark, sourceIndexPath: IndexPath) {
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let alert = UIAlertController(title: "书签管理", message: nil, preferredStyle: .actionSheet)
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alert.addAction(UIAlertAction(title: "跳转到位置", style: .default) { [weak self] _ in
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self?.onSelectBookmark?(bookmark)
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})
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alert.addAction(UIAlertAction(title: "删除书签", style: .destructive) { [weak self] _ in
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self?.deleteBookmark(bookmark)
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})
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alert.addAction(UIAlertAction(title: "取消", style: .cancel))
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if let popover = alert.popoverPresentationController,
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let cell = tableView.cellForRow(at: sourceIndexPath) {
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popover.sourceView = cell
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popover.sourceRect = cell.bounds
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}
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present(alert, animated: true)
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}
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private func deleteBookmark(_ bookmark: RDEPUBBookmark) {
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guard let index = bookmarks.firstIndex(where: { $0.id == bookmark.id }) else { return }
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bookmarks.remove(at: index)
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tableView.reloadData()
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onDeleteBookmark?(bookmark)
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updateEmptyState()
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}
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}
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