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
111 lines
4.3 KiB
Swift
111 lines
4.3 KiB
Swift
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import UIKit
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import WebKit
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extension RDEPUBWebView {
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func configureWebViewIfNeeded(publication: RDEPUBPublication) {
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let parser = publication.parser
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let publicationKey = parser.opfURL?.path ?? parser.extractionRootURL?.path ?? UUID().uuidString
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if publicationKey == configuredPublicationKey, webView != nil {
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return
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}
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teardownWebView()
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let userContentController = WKUserContentController()
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RDEPUBJavaScriptBridge.messageNames.forEach {
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userContentController.add(self, name: $0)
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}
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userContentController.addUserScript(
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WKUserScript(
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source: RDEPUBJavaScriptBridge.userScript,
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injectionTime: .atDocumentEnd,
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forMainFrameOnly: true
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)
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)
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let configuration = WKWebViewConfiguration()
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configuration.websiteDataStore = .nonPersistent()
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configuration.userContentController = userContentController
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let schemeHandler = RDEPUBResourceURLSchemeHandler(parser: parser)
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configuration.setURLSchemeHandler(schemeHandler, forURLScheme: RDEPUBResourceURLSchemeHandler.scheme)
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let webView = RDEPUBAnnotationWebView(frame: bounds, configuration: configuration)
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webView.onSelectionAction = { [weak self] action in
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guard let self else { return }
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self.handleSelectionMenuAction(action)
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}
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UIMenuController.shared.menuItems = [
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UIMenuItem(title: "拷贝", action: #selector(RDEPUBAnnotationWebView.rd_copy(_:))),
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UIMenuItem(title: "高亮", action: #selector(RDEPUBAnnotationWebView.rd_highlight(_:))),
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UIMenuItem(title: "批注", action: #selector(RDEPUBAnnotationWebView.rd_annotate(_:)))
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]
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webView.navigationDelegate = self
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webView.scrollView.isScrollEnabled = false
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webView.scrollView.showsHorizontalScrollIndicator = false
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webView.scrollView.showsVerticalScrollIndicator = false
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webView.scrollView.bounces = false
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webView.scrollView.alwaysBounceHorizontal = false
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webView.scrollView.alwaysBounceVertical = false
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webView.scrollView.clipsToBounds = true
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webView.scrollView.panGestureRecognizer.isEnabled = false
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webView.scrollView.pinchGestureRecognizer?.isEnabled = false
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webView.isOpaque = false
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webView.backgroundColor = .clear
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webView.clipsToBounds = true
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if #available(iOS 16.4, *) {
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webView.isInspectable = RDEPUBWebViewDebug.isInspectableEnabled
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}
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addSubview(webView)
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webView.frame = bounds
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webView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
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self.schemeHandler = schemeHandler
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self.webView = webView
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self.configuredPublicationKey = publicationKey
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RDEPUBWebViewDebug.log(debugScope, message: "configured webView=\(RDEPUBWebViewDebug.webViewID(webView)) publicationKey=\(publicationKey)")
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}
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func handleSelectionMenuAction(_ action: RDEPUBAnnotationMenuAction) {
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delegate?.epubWebView(self, didRequestSelectionAction: action)
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clearWebSelection()
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}
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func clearWebSelection() {
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webView?.evaluateJavaScript("window.getSelection && window.getSelection().removeAllRanges();")
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}
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func teardownWebView() {
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cancelFixedLayoutReadyFallback()
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if let webView {
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RDEPUBWebViewDebug.log(debugScope, message: "teardown webView=\(RDEPUBWebViewDebug.webViewID(webView))")
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}
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webView?.navigationDelegate = nil
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if let userContentController = webView?.configuration.userContentController {
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RDEPUBJavaScriptBridge.messageNames.forEach {
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userContentController.removeScriptMessageHandler(forName: $0)
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}
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}
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(webView as? RDEPUBAnnotationWebView)?.onSelectionAction = nil
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webView?.removeFromSuperview()
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webView = nil
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schemeHandler = nil
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configuredPublicationKey = nil
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currentLoadSignature = nil
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}
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}
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extension UIColor {
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var ss_hexString: String {
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var red: CGFloat = 0
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var green: CGFloat = 0
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var blue: CGFloat = 0
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var alpha: CGFloat = 0
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getRed(&red, green: &green, blue: &blue, alpha: &alpha)
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return String(format: "#%02X%02X%02X", Int(red * 255), Int(green * 255), Int(blue * 255))
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}
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}
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