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 +1,95 @@
+import UIKit
+
+protocol RDEPUBWebContentViewDelegate: AnyObject {
+    func epubWebContentView(_ contentView: RDEPUBWebContentView, didUpdateLocation location: RDEPUBLocation, spineIndex: Int)
+    func epubWebContentView(_ contentView: RDEPUBWebContentView, didChangeSelection selection: RDEPUBSelection?, spineIndex: Int)
+    func epubWebContentView(_ contentView: RDEPUBWebContentView, didRequestSelectionAction action: RDEPUBAnnotationMenuAction)
+    func epubWebContentView(_ contentView: RDEPUBWebContentView, didActivateInternalLink location: RDEPUBLocation, fromSpineIndex: Int)
+    func epubWebContentView(_ contentView: RDEPUBWebContentView, didActivateExternalLink url: URL)
+    func epubWebContentView(_ contentView: RDEPUBWebContentView, didLogJavaScriptError message: String)
+}
+
+final class RDEPUBWebContentView: UIView {
+    weak var delegate: RDEPUBWebContentViewDelegate?
+
+    private let epubWebView = RDEPUBWebView()
+    private let pageNumberLabel: UILabel = {
+        let label = UILabel()
+        label.font = UIFont.systemFont(ofSize: 13)
+        return label
+    }()
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        clipsToBounds = true
+        layer.masksToBounds = true
+
+        addSubview(epubWebView)
+        addSubview(pageNumberLabel)
+        epubWebView.delegate = self
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        epubWebView.frame = bounds
+
+        let labelSize = pageNumberLabel.sizeThatFits(CGSize(width: bounds.width, height: 20))
+        pageNumberLabel.frame = CGRect(
+            x: bounds.width - labelSize.width - 24,
+            y: bounds.height - labelSize.height - 20,
+            width: labelSize.width,
+            height: labelSize.height
+        )
+    }
+
+    func configure(
+        publication: RDEPUBPublication,
+        request: RDEPUBRenderRequest,
+        pageNumber: Int,
+        totalPages: Int,
+        theme: RDEPUBReaderTheme
+    ) {
+        backgroundColor = theme.contentBackgroundColor
+        pageNumberLabel.textColor = theme.contentTextColor
+        pageNumberLabel.text = "\(pageNumber) / \(totalPages)"
+        epubWebView.load(publication: publication, request: request)
+        setNeedsLayout()
+    }
+
+    func releaseResources() {
+        epubWebView.reset()
+        epubWebView.delegate = self
+    }
+}
+
+extension RDEPUBWebContentView: RDEPUBWebViewDelegate {
+    func epubWebView(_ webView: RDEPUBWebView, didUpdateLocation location: RDEPUBLocation, spineIndex: Int) {
+        delegate?.epubWebContentView(self, didUpdateLocation: location, spineIndex: spineIndex)
+    }
+
+    func epubWebView(_ webView: RDEPUBWebView, didChangeSelection selection: RDEPUBSelection?, spineIndex: Int) {
+        delegate?.epubWebContentView(self, didChangeSelection: selection, spineIndex: spineIndex)
+    }
+
+    func epubWebView(_ webView: RDEPUBWebView, didRequestSelectionAction action: RDEPUBAnnotationMenuAction) {
+        delegate?.epubWebContentView(self, didRequestSelectionAction: action)
+    }
+
+    func epubWebView(_ webView: RDEPUBWebView, didActivateInternalLink location: RDEPUBLocation, fromSpineIndex: Int) {
+        delegate?.epubWebContentView(self, didActivateInternalLink: location, fromSpineIndex: fromSpineIndex)
+    }
+
+    func epubWebView(_ webView: RDEPUBWebView, didActivateExternalLink url: URL) {
+        delegate?.epubWebContentView(self, didActivateExternalLink: url)
+    }
+
+    func epubWebView(_ webView: RDEPUBWebView, didLogJavaScriptError message: String) {
+        delegate?.epubWebContentView(self, didLogJavaScriptError: message)
+    }
+
+    func epubWebViewDidFinishRendering(_ webView: RDEPUBWebView) {}
+}