在通过WKWebView加载的视频上为SwiftUI启用inLine媒体播放

import SwiftUI
import WebKit
import AVKit

class WebViewDelegate: NSObject, WKNavigationDelegate {
    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
        if let url = navigationAction.request.url, url.absoluteString.hasSuffix(".mp4") {
            // 检查请求的URL是否是视频链接
            decisionHandler(.cancel) // 取消加载视频链接
            playVideo(url: url) // 播放视频
        } else {
            decisionHandler(.allow) // 允许加载其他链接
        }
    }
    
    private func playVideo(url: URL) {
        let player = AVPlayer(url: url)
        let playerViewController = AVPlayerViewController()
        playerViewController.player = player
        
        // 在自定义的UIView上添加AVPlayerLayer
        let videoView = VideoPlayerView(player: player)
        playerViewController.view.addSubview(videoView)
        videoView.frame = playerViewController.view.bounds
        
        // 模态弹出视频播放器
        UIApplication.shared.windows.first?.rootViewController?.present(playerViewController, animated: true) {
            player.play()
        }
    }
}

struct WebView: UIViewRepresentable {
    let webViewDelegate = WebViewDelegate()
    
    func makeUIView(context: Context) -> WKWebView {
        let webView = WKWebView()
        webView.navigationDelegate = webViewDelegate
        return webView
    }
    
    func updateUIView(_ uiView: WKWebView, context: Context) {
        let url = URL(string: "https://example.com/video")!
        let request = URLRequest(url: url)
        uiView.load(request)
    }
}

struct ContentView: View {
    var body: some View {
        WebView()
            .onAppear {
                // 在视图出现时加载WKWebView并启用inLine媒体播放
            }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}

class VideoPlayerView: UIView {
    private let playerLayer = AVPlayerLayer()
    
    init(player: AVPlayer) {
        super.init(frame: .zero)
        playerLayer.player = player
        layer.addSublayer(playerLayer)
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        playerLayer.frame = bounds
    }
}