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扩展顶部工具栏业务按钮能力

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This commit is contained in:
shenlei 2026-07-13 16:16:31 +09:00
parent 822949f6cc
commit 72c1f8d89c
1 changed files with 38 additions and 4 deletions
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42
Sources/RDEpubReaderView/EPUBUI/RDEPUBReaderTopToolView.swift
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@ -1,6 +1,6 @@
import UIKit
public final class RDEPUBReaderTopToolView: RDEPUBReaderToolView, RDEPUBReaderTopToolViewProtocol {
open class RDEPUBReaderTopToolView: RDEPUBReaderToolView, RDEPUBReaderTopToolViewProtocol {
public var onBack: (() -> Void)?
@ -8,9 +8,14 @@ public final class RDEPUBReaderTopToolView: RDEPUBReaderToolView, RDEPUBReaderTo
public var onSearch: (() -> Void)?
/// 宿主可配置的登录 / 购买等业务入口。未设置标题时不占用工具栏空间。
public var onAuthorization: (() -> Void)?
private let backButton = RDEPUBReaderTintButton(type: .system)
private let searchButton = RDEPUBReaderTintButton(type: .system)
private let bookmarkButton = RDEPUBReaderTintButton(type: .system)
private let authorizationButton = RDEPUBReaderTintButton(type: .system)
private var authorizationButtonWidthConstraint: NSLayoutConstraint!
private let titleLabel: UILabel = {
let label = UILabel()
label.textAlignment = .center
@ -20,23 +25,28 @@ public final class RDEPUBReaderTopToolView: RDEPUBReaderToolView, RDEPUBReaderTo
}()
private var isBookmarked = false
override init(frame: CGRect) {
public override init(frame: CGRect) {
super.init(frame: frame)
accessibilityIdentifier = "epub.reader.topToolbar"
self.backgroundColor = .white
addSubview(backButton)
addSubview(searchButton)
addSubview(bookmarkButton)
addSubview(authorizationButton)
addSubview(titleLabel)
backButton.translatesAutoresizingMaskIntoConstraints = false
searchButton.translatesAutoresizingMaskIntoConstraints = false
bookmarkButton.translatesAutoresizingMaskIntoConstraints = false
authorizationButton.translatesAutoresizingMaskIntoConstraints = false
titleLabel.translatesAutoresizingMaskIntoConstraints = false
backButton.addTarget(self, action: #selector(backAction), for: .touchUpInside)
searchButton.addTarget(self, action: #selector(searchAction), for: .touchUpInside)
bookmarkButton.addTarget(self, action: #selector(bookmarkAction), for: .touchUpInside)
authorizationButton.addTarget(self, action: #selector(authorizationAction), for: .touchUpInside)
authorizationButtonWidthConstraint = authorizationButton.widthAnchor.constraint(equalToConstant: 0)
NSLayoutConstraint.activate([
backButton.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 8),
@ -45,7 +55,13 @@ public final class RDEPUBReaderTopToolView: RDEPUBReaderToolView, RDEPUBReaderTo
backButton.widthAnchor.constraint(equalToConstant: 44),
backButton.heightAnchor.constraint(equalToConstant: 44),
bookmarkButton.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -8),
authorizationButton.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -8),
authorizationButton.topAnchor.constraint(equalTo: safeAreaLayoutGuide.topAnchor, constant: 4),
authorizationButton.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -4),
authorizationButton.heightAnchor.constraint(equalToConstant: 44),
authorizationButtonWidthConstraint,
bookmarkButton.trailingAnchor.constraint(equalTo: authorizationButton.leadingAnchor, constant: -4),
bookmarkButton.topAnchor.constraint(equalTo: safeAreaLayoutGuide.topAnchor, constant: 4),
bookmarkButton.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -4),
bookmarkButton.widthAnchor.constraint(equalToConstant: 44),
@ -72,11 +88,12 @@ public final class RDEPUBReaderTopToolView: RDEPUBReaderToolView, RDEPUBReaderTo
backButton.accessibilityIdentifier = "epub.reader.back"
searchButton.accessibilityIdentifier = "epub.reader.search"
bookmarkButton.accessibilityIdentifier = "epub.reader.bookmark"
authorizationButton.accessibilityIdentifier = "epub.reader.authorization"
titleLabel.accessibilityIdentifier = "epub.reader.title"
updateBookmarkButtonAppearance()
}
required init?(coder: NSCoder) {
public required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
@ -90,10 +107,12 @@ public final class RDEPUBReaderTopToolView: RDEPUBReaderToolView, RDEPUBReaderTo
backButton.tintColor = theme.toolControlTextColor
searchButton.tintColor = theme.toolControlTextColor
bookmarkButton.tintColor = theme.toolControlTextColor
authorizationButton.tintColor = theme.toolControlTextColor
if #unavailable(iOS 13.0) {
backButton.setTitleColor(theme.toolControlTextColor, for: .normal)
searchButton.setTitleColor(theme.toolControlTextColor, for: .normal)
bookmarkButton.setTitleColor(theme.toolControlTextColor, for: .normal)
authorizationButton.setTitleColor(theme.toolControlTextColor, for: .normal)
}
updateBookmarkButtonAppearance()
}
@ -112,6 +131,17 @@ public final class RDEPUBReaderTopToolView: RDEPUBReaderToolView, RDEPUBReaderTo
bookmarkButton.alpha = isEnabled ? 1 : 0.45
}
/// 设置右上角业务按钮。传 `nil` 或空字符串时隐藏按钮并恢复原工具栏布局。
public func setAuthorizationButton(title: String?) {
let resolvedTitle = title?.trimmingCharacters(in: .whitespacesAndNewlines)
let isVisible = resolvedTitle?.isEmpty == false
authorizationButton.setTitle(resolvedTitle, for: .normal)
authorizationButton.isHidden = !isVisible
authorizationButton.isEnabled = isVisible
authorizationButtonWidthConstraint.constant = isVisible ? 56 : 0
authorizationButton.accessibilityLabel = resolvedTitle
}
@objc private func backAction() {
onBack?()
}
@ -124,6 +154,10 @@ public final class RDEPUBReaderTopToolView: RDEPUBReaderToolView, RDEPUBReaderTo
onToggleBookmark?()
}
@objc private func authorizationAction() {
onAuthorization?()
}
private func updateBookmarkButtonAppearance() {
if #available(iOS 13.0, *) {
let imageName = isBookmarked ? "bookmark.fill" : "bookmark"