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 +1,111 @@
+import UIKit
+
+public final class RDEPUBReaderTopToolView: RDEPUBReaderToolView {
+    var onBack: (() -> Void)?
+    var onToggleBookmark: (() -> Void)?
+
+    private let backButton = RDEPUBReaderTintButton(type: .system)
+    private let bookmarkButton = RDEPUBReaderTintButton(type: .system)
+    private let titleLabel: UILabel = {
+        let label = UILabel()
+        label.textAlignment = .center
+        label.font = UIFont.systemFont(ofSize: 16, weight: .semibold)
+        label.numberOfLines = 1
+        return label
+    }()
+    private var isBookmarked = false
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        self.backgroundColor = .white
+        addSubview(backButton)
+        addSubview(bookmarkButton)
+        addSubview(titleLabel)
+
+        backButton.translatesAutoresizingMaskIntoConstraints = false
+        bookmarkButton.translatesAutoresizingMaskIntoConstraints = false
+        titleLabel.translatesAutoresizingMaskIntoConstraints = false
+
+        backButton.addTarget(self, action: #selector(backAction), for: .touchUpInside)
+        bookmarkButton.addTarget(self, action: #selector(bookmarkAction), for: .touchUpInside)
+
+        NSLayoutConstraint.activate([
+            backButton.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 8),
+            backButton.topAnchor.constraint(equalTo: safeAreaLayoutGuide.topAnchor, constant: 4),
+            backButton.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -4),
+            backButton.widthAnchor.constraint(equalToConstant: 44),
+            backButton.heightAnchor.constraint(equalToConstant: 44),
+
+            bookmarkButton.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -8),
+            bookmarkButton.topAnchor.constraint(equalTo: safeAreaLayoutGuide.topAnchor, constant: 4),
+            bookmarkButton.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -4),
+            bookmarkButton.widthAnchor.constraint(equalToConstant: 44),
+            bookmarkButton.heightAnchor.constraint(equalToConstant: 44),
+
+            titleLabel.leadingAnchor.constraint(equalTo: backButton.trailingAnchor, constant: 8),
+            titleLabel.trailingAnchor.constraint(equalTo: bookmarkButton.leadingAnchor, constant: -8),
+            titleLabel.centerYAnchor.constraint(equalTo: backButton.centerYAnchor)
+        ])
+
+        if #available(iOS 13.0, *) {
+            backButton.setImage(UIImage(systemName: "chevron.left")?.withRenderingMode(.alwaysTemplate), for: .normal)
+        } else {
+            backButton.setTitle("返回", for: .normal)
+        }
+        backButton.accessibilityIdentifier = "epub.reader.back"
+        bookmarkButton.accessibilityIdentifier = "epub.reader.bookmark"
+        titleLabel.accessibilityIdentifier = "epub.reader.title"
+        updateBookmarkButtonAppearance()
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override public func lineFrame(in bounds: CGRect) -> CGRect {
+        CGRect(x: 0, y: bounds.height - 0.5, width: bounds.width, height: 0.5)
+    }
+
+    override public func apply(theme: RDEPUBReaderTheme) {
+        super.apply(theme: theme)
+        titleLabel.textColor = .black
+        backButton.tintColor = .black
+        bookmarkButton.tintColor = .black
+        if #unavailable(iOS 13.0) {
+            backButton.setTitleColor(.black, for: .normal)
+            bookmarkButton.setTitleColor(.black, for: .normal)
+        }
+        updateBookmarkButtonAppearance()
+    }
+
+    func setTitle(_ title: String?) {
+        titleLabel.text = title
+    }
+
+    func setBookmarkSelected(_ isSelected: Bool) {
+        isBookmarked = isSelected
+        updateBookmarkButtonAppearance()
+    }
+
+    func setBookmarkEnabled(_ isEnabled: Bool) {
+        bookmarkButton.isEnabled = isEnabled
+        bookmarkButton.alpha = isEnabled ? 1 : 0.45
+    }
+
+    @objc private func backAction() {
+        onBack?()
+    }
+
+    @objc private func bookmarkAction() {
+        onToggleBookmark?()
+    }
+
+    private func updateBookmarkButtonAppearance() {
+        if #available(iOS 13.0, *) {
+            let imageName = isBookmarked ? "bookmark.fill" : "bookmark"
+            bookmarkButton.setImage(UIImage(systemName: imageName)?.withRenderingMode(.alwaysTemplate), for: .normal)
+        } else {
+            bookmarkButton.setTitle(isBookmarked ? "已签" : "书签", for: .normal)
+        }
+    }
+}