948004eed1
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
88 lines
3.8 KiB
Swift
88 lines
3.8 KiB
Swift
// RDEPUBReaderDependencies.swift
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// EPUB 阅读器依赖注入配置，定义显示环境协议与核心组件工厂
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import UIKit
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/// 阅读器显示环境协议，抽象屏幕亮度和视口尺寸以支持测试和多平台适配
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public protocol RDEPUBReaderDisplayEnvironment: AnyObject {
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/// 当前屏幕亮度，取值范围 0.0 ~ 1.0
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var currentBrightness: CGFloat { get set }
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/// 后备视口尺寸，用于无法获取实际视图尺寸时的布局计算
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var fallbackViewportSize: CGSize { get }
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}
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/// 基于 UIScreen 的默认显示环境实现，直接读写系统屏幕亮度
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public final class RDEPUBUIScreenEnvironment: RDEPUBReaderDisplayEnvironment {
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public init() {}
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public var currentBrightness: CGFloat {
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get { CGFloat(UIScreen.main.brightness) }
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set { UIScreen.main.brightness = newValue }
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}
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public var fallbackViewportSize: CGSize {
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UIScreen.main.bounds.size
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}
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}
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/// EPUB 阅读器核心依赖容器，通过工厂闭包注入各组件以便替换和测试
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public struct RDEPUBReaderDependencies {
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/// 显示环境实例
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public var environment: any RDEPUBReaderDisplayEnvironment
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/// EPUB 解析器工厂
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public var makeParser: () -> RDEPUBParser
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/// 分页器工厂
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public var makePaginator: () -> RDEPUBPaginator
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/// 富文本书籍构建器工厂
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public var makeTextBookBuilder: (RDEPUBTextRenderer, RDEPUBTextBookCache?, RDEPUBTextLayoutConfig) -> RDEPUBTextBookBuilder
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/// 纯文本书籍构建器工厂
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public var makePlainTextBookBuilder: (RDEPUBTextRenderer, RDEPUBTextLayoutConfig) -> RDPlainTextBookBuilder
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/// 文本渲染器工厂
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public var makeTextRenderer: (RDEPUBTextRenderingEngine) -> RDEPUBTextRenderer
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/// 初始化依赖容器
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/// - Parameters:
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/// - environment: 显示环境实例
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/// - makeParser: EPUB 解析器工厂闭包
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/// - makePaginator: 分页器工厂闭包
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/// - makeTextBookBuilder: 富文本书籍构建器工厂闭包
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/// - makePlainTextBookBuilder: 纯文本书籍构建器工厂闭包
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/// - makeTextRenderer: 文本渲染器工厂闭包
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public init(
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environment: any RDEPUBReaderDisplayEnvironment,
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makeParser: @escaping () -> RDEPUBParser,
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makePaginator: @escaping () -> RDEPUBPaginator,
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makeTextBookBuilder: @escaping (RDEPUBTextRenderer, RDEPUBTextBookCache?, RDEPUBTextLayoutConfig) -> RDEPUBTextBookBuilder,
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makePlainTextBookBuilder: @escaping (RDEPUBTextRenderer, RDEPUBTextLayoutConfig) -> RDPlainTextBookBuilder,
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makeTextRenderer: @escaping (RDEPUBTextRenderingEngine) -> RDEPUBTextRenderer
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) {
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self.environment = environment
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self.makeParser = makeParser
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self.makePaginator = makePaginator
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self.makeTextBookBuilder = makeTextBookBuilder
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self.makePlainTextBookBuilder = makePlainTextBookBuilder
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self.makeTextRenderer = makeTextRenderer
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}
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/// 默认生产环境依赖，使用系统屏幕环境和标准组件实现
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public static var live: RDEPUBReaderDependencies {
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RDEPUBReaderDependencies(
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environment: RDEPUBUIScreenEnvironment(),
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makeParser: { RDEPUBParser() },
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makePaginator: { RDEPUBPaginator() },
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makeTextBookBuilder: { renderer, cache, layoutConfig in
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RDEPUBTextBookBuilder(renderer: renderer, cache: cache, layoutConfig: layoutConfig)
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},
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makePlainTextBookBuilder: { renderer, layoutConfig in
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RDPlainTextBookBuilder(renderer: renderer, layoutConfig: layoutConfig)
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},
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makeTextRenderer: { engine in
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switch engine {
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case .dtCoreText:
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return RDEPUBDTCoreTextRenderer()
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}
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}
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)
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}
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}
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