c65c190b71
- 实现EPUB阅读器搜索功能及选中注释功能 - 优化CFI模块，修复代码审查发现的11个问题 - 实现大书远距目录跳转与后台补全优化方案 - 优化设置面板与章节运行时联动 - 重构及大量改进优化
85 lines
3.3 KiB
Swift
85 lines
3.3 KiB
Swift
import Foundation
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final class RDEPUBReaderLoadCoordinator {
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private unowned let context: RDEPUBReaderContext
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init(context: RDEPUBReaderContext) {
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self.context = context
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}
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func startInitialLoadIfNeeded() {
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guard let controller = context.controller,
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let readerView = context.readerView,
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!controller.didStartInitialLoad,
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readerView.bounds.width > 0,
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readerView.bounds.height > 0 else {
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return
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}
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controller.didStartInitialLoad = true
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loadPublication()
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}
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func loadPublication() {
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guard let controller = context.controller else { return }
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context.showLoading()
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let loadToken = UUID()
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context.paginationToken = loadToken
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DispatchQueue.global(qos: .userInitiated).async { [weak controller] in
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guard let controller else { return }
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let parser = self.context.makeParser()
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do {
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try parser.parse(epubURL: controller.epubURL)
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let publication = parser.makePublication()
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let bookIdentifier = parser.metadata.identifier ?? controller.epubURL.lastPathComponent
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let restoreLocation = controller.persistence?.loadLocation(for: bookIdentifier)
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let bookmarks = controller.persistence?.loadBookmarks(for: bookIdentifier) ?? []
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let highlights = controller.persistence?.loadHighlights(for: bookIdentifier) ?? []
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DispatchQueue.main.async {
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guard self.context.paginationToken == loadToken else { return }
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self.context.runtime?.applyParsedPublication(
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parser: parser,
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publication: publication,
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bookIdentifier: bookIdentifier,
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restoreLocation: restoreLocation,
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bookmarks: bookmarks,
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highlights: highlights
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)
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}
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} catch {
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DispatchQueue.main.async {
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guard self.context.paginationToken == loadToken else { return }
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self.context.handle(error: error)
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}
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}
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}
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}
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func applyParsedPublication(
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parser: RDEPUBParser,
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publication: RDEPUBPublication,
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bookIdentifier: String,
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restoreLocation: RDEPUBLocation?,
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bookmarks: [RDEPUBBookmark],
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highlights: [RDEPUBHighlight]
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) {
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guard let controller = context.controller else { return }
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context.parser = parser
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context.publication = publication
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context.currentBookIdentifier = bookIdentifier
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context.activeBookmarks = bookmarks
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context.activeHighlights = highlights
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context.readingSession = RDEPUBReadingSession(publication: publication)
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context.readingSession?.transition(to: .loading)
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controller.title = parser.metadata.title.isEmpty
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? controller.epubURL.deletingPathExtension().lastPathComponent
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: parser.metadata.title
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controller.applyReaderViewConfiguration()
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context.updateReaderChrome()
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controller.delegate?.epubReader(controller, didOpen: publication)
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context.runtime?.paginatePublication(restoreLocation: restoreLocation)
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}
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}
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