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隐藏 PDF Demo 阅读器中的 AI 助手入口与 TTS 朗读控件

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PDF Demo 宿主在阅读界面右上角常驻一个 "AI" 按钮，底部常驻一组 TTS 播放
控件。这两处是示例性质的能力入口，当前不希望在阅读界面上出现。

在宿主控制器上引入 showsAIAssistant 与 showsSpeechControls 两个开关，
viewDidLoad 中据此决定是否创建 AI 按钮、是否装配朗读控件，两者都不再被
加入视图层级。底层的 presentAIAssistant、speechSession 及播放、语速控制
逻辑全部保留，把开关置为 true 即可恢复，避免以后重新接入时再写一遍。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
shenlei
2026-07-30 17:51:57 +09:00
co-authored by Claude Opus 5
parent 85cf92161c
commit 735c14c824
1 changed files with 14 additions and 9 deletions
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ReadViewDemo/ReadViewDemo/PDFDemoReaderViewController.swift
+14 -9
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@@ -152,6 +152,9 @@ private final class PDFDemoPageProvider: RDPDFReaderPageProvider, RDPDFReaderOut
/// 成品阅读器的 Demo 宿主：存储位置、返回导航和自动化状态是唯一的应用职责。
final class PDFDemoReaderViewController: UIViewController, RDPDFReaderViewControllerDelegate {
private static let annotationStorageFolderName = "RDPDFImageReaderAnnotations"
/// 暂时隐藏阅读器中的 AI 助手入口与 TTS 朗读控件，实现保留以便随时恢复。
private static let showsAIAssistant = false
private static let showsSpeechControls = false
private let reader: RDPDFReaderViewController
private lazy var speechSession: RDPDFSpeechSession = {
let session = reader.makeSpeechSession()
@@ -224,15 +227,17 @@ final class PDFDemoReaderViewController: UIViewController, RDPDFReaderViewContro
reader.view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
view.addSubview(reader.view)
reader.didMove(toParent: self)
configureSpeechControls()
let assistantButton = UIButton(type: .system)
assistantButton.setTitle("AI", for: .normal)
assistantButton.titleLabel?.font = .preferredFont(forTextStyle: .headline)
assistantButton.addTarget(self, action: #selector(presentAIAssistant), for: .touchUpInside)
assistantButton.accessibilityLabel = "打开阅读助手"
view.addSubview(assistantButton)
assistantButton.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([assistantButton.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 12), assistantButton.trailingAnchor.constraint(equalTo: view.layoutMarginsGuide.trailingAnchor), assistantButton.widthAnchor.constraint(greaterThanOrEqualToConstant: 44), assistantButton.heightAnchor.constraint(equalToConstant: 44)])
if Self.showsSpeechControls { configureSpeechControls() }
if Self.showsAIAssistant {
let assistantButton = UIButton(type: .system)
assistantButton.setTitle("AI", for: .normal)
assistantButton.titleLabel?.font = .preferredFont(forTextStyle: .headline)
assistantButton.addTarget(self, action: #selector(presentAIAssistant), for: .touchUpInside)
assistantButton.accessibilityLabel = "打开阅读助手"
view.addSubview(assistantButton)
assistantButton.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([assistantButton.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 12), assistantButton.trailingAnchor.constraint(equalTo: view.layoutMarginsGuide.trailingAnchor), assistantButton.widthAnchor.constraint(greaterThanOrEqualToConstant: 44), assistantButton.heightAnchor.constraint(equalToConstant: 44)])
}
stateLabel.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(stateLabel)
NSLayoutConstraint.activate([stateLabel.widthAnchor.constraint(equalToConstant: 1), stateLabel.heightAnchor.constraint(equalToConstant: 1), stateLabel.topAnchor.constraint(equalTo: view.topAnchor), stateLabel.leadingAnchor.constraint(equalTo: view.leadingAnchor)])