Epub阅读器0.0.1

2026-05-21 19:40:51 +08:00
commit daa36d8fe7
559 changed files with 106266 additions and 0 deletions
@@ -0,0 +1,127 @@
+import SnapKit
+import UIKit
+
+protocol RDReaderEPUBContentViewDelegate: AnyObject {
+    func epubContentView(_ contentView: RDReaderEPUBContentView, didUpdateLocation location: RDEPUBLocation, spineIndex: Int)
+    func epubContentView(_ contentView: RDReaderEPUBContentView, didChangeSelection selection: RDEPUBSelection?, spineIndex: Int)
+    func epubContentView(_ contentView: RDReaderEPUBContentView, didActivateInternalLink location: RDEPUBLocation, fromSpineIndex: Int)
+    func epubContentView(_ contentView: RDReaderEPUBContentView, didActivateExternalLink url: URL)
+    func epubContentView(_ contentView: RDReaderEPUBContentView, didLogJavaScriptError message: String)
+}
+
+final class RDReaderEPUBContentView: UIView {
+    weak var delegate: RDReaderEPUBContentViewDelegate?
+
+    lazy var pageNumLabel: UILabel = {
+        let label = UILabel()
+        label.font = UIFont.systemFont(ofSize: 13)
+        return label
+    }()
+
+    private let epubWebView = RDEPUBWebView()
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        clipsToBounds = true
+        layer.masksToBounds = true
+        addSubview(epubWebView)
+        addSubview(pageNumLabel)
+
+        epubWebView.delegate = self
+        epubWebView.clipsToBounds = true
+        epubWebView.layer.masksToBounds = true
+
+        epubWebView.snp.makeConstraints { make in
+            make.edges.equalToSuperview()
+        }
+        pageNumLabel.snp.makeConstraints { make in
+            make.right.equalToSuperview().offset(-30)
+            make.bottom.equalToSuperview().offset(-20)
+        }
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    func load(publication: RDEPUBPublication, request: RDEPUBRenderRequest) {
+        epubWebView.load(publication: publication, request: request)
+    }
+
+    func loadPage(
+        parser: RDEPUBParser,
+        spineIndex: Int,
+        pageIndex: Int,
+        totalPagesInChapter: Int,
+        viewportSize: CGSize,
+        padding: UIEdgeInsets,
+        fontSize: CGFloat,
+        lineHeightMultiple: CGFloat,
+        themeBackgroundColor: String?,
+        themeTextColor: String?,
+        targetLocation: RDEPUBLocation?,
+        highlights: [RDEPUBHighlight]
+    ) {
+        epubWebView.loadPage(
+            parser: parser,
+            spineIndex: spineIndex,
+            pageIndex: pageIndex,
+            totalPagesInChapter: totalPagesInChapter,
+            viewportSize: viewportSize,
+            padding: padding,
+            fontSize: fontSize,
+            lineHeightMultiple: lineHeightMultiple,
+            themeBackgroundColor: themeBackgroundColor,
+            themeTextColor: themeTextColor,
+            targetLocation: targetLocation,
+            highlights: highlights
+        )
+    }
+
+    func loadFixedSpread(
+        parser: RDEPUBParser,
+        spread: EPUBFixedSpread,
+        viewportSize: CGSize,
+        contentInset: UIEdgeInsets,
+        backgroundColor: UIColor?
+    ) {
+        epubWebView.loadFixedSpread(
+            parser: parser,
+            spread: spread,
+            viewportSize: viewportSize,
+            contentInset: contentInset,
+            backgroundColor: backgroundColor
+        )
+    }
+
+    func releaseResources() {
+        epubWebView.reset()
+        epubWebView.delegate = self
+    }
+
+}
+
+extension RDReaderEPUBContentView: RDEPUBWebViewDelegate {
+    func epubWebView(_ webView: RDEPUBWebView, didUpdateLocation location: RDEPUBLocation, spineIndex: Int) {
+        delegate?.epubContentView(self, didUpdateLocation: location, spineIndex: spineIndex)
+    }
+
+    func epubWebView(_ webView: RDEPUBWebView, didChangeSelection selection: RDEPUBSelection?, spineIndex: Int) {
+        delegate?.epubContentView(self, didChangeSelection: selection, spineIndex: spineIndex)
+    }
+
+    func epubWebView(_ webView: RDEPUBWebView, didActivateInternalLink location: RDEPUBLocation, fromSpineIndex: Int) {
+        delegate?.epubContentView(self, didActivateInternalLink: location, fromSpineIndex: fromSpineIndex)
+    }
+
+    func epubWebView(_ webView: RDEPUBWebView, didActivateExternalLink url: URL) {
+        delegate?.epubContentView(self, didActivateExternalLink: url)
+    }
+
+    func epubWebView(_ webView: RDEPUBWebView, didLogJavaScriptError message: String) {
+        delegate?.epubContentView(self, didLogJavaScriptError: message)
+    }
+
+    func epubWebViewDidFinishRendering(_ webView: RDEPUBWebView) {
+    }
+}