c69ec38dc3
- UI defined in player.json (Bricks JSON schema) - Custom widgets: VideoPlayer (AVPlayer layer), ProgressSlider (seek bar) - PlayerBridge connects AVPlayer to BricksEngine event bus - All interactions via binds/events (no imperative UI code) - Depends on SwiftBricks SPM package
98 lines
2.5 KiB
Swift
98 lines
2.5 KiB
Swift
import SwiftUI
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import AVFoundation
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import SwiftBricks
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/// VideoPlayer自定义Widget — 注册到BricksEngine的"VideoPlayer"类型
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struct VideoPlayerWidget: View {
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let bridge: PlayerBridge
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let schema: ControlSchema
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@ObservedObject var engine: BricksEngine
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var body: some View {
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VideoPlayerRepresentable(player: bridge.player)
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.background(Color.black)
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.frame(maxWidth: .infinity)
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.aspectRatio(16/9, contentMode: .fit)
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.onTapGesture(count: 2) {
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bridge.toggleFullscreen()
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}
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}
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}
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// MARK: - 跨平台AVPlayer渲染
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#if os(iOS)
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import UIKit
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struct VideoPlayerRepresentable: UIViewRepresentable {
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let player: AVPlayer
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func makeUIView(context: Context) -> PlayerUIView {
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let view = PlayerUIView()
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view.player = player
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return view
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}
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func updateUIView(_ uiView: PlayerUIView, context: Context) {
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uiView.player = player
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}
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}
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class PlayerUIView: UIView {
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override static var layerClass: AnyClass { AVPlayerLayer.self }
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var player: AVPlayer? {
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get { (layer as? AVPlayerLayer)?.player }
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set { (layer as? AVPlayerLayer)?.player = newValue }
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}
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override var contentMode: UIView.ContentMode {
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get { (layer as? AVPlayerLayer)?.videoGravity == .resizeAspectFill ? .scaleAspectFill : .scaleAspectFit }
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set {
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(layer as? AVPlayerLayer)?.videoGravity = newValue == .scaleAspectFill ? .resizeAspectFill : .resizeAspect
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}
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}
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}
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#elseif os(macOS)
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import AppKit
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struct VideoPlayerRepresentable: NSViewRepresentable {
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let player: AVPlayer
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func makeNSView(context: Context) -> PlayerNSView {
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let view = PlayerNSView()
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view.player = player
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return view
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}
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func updateNSView(_ nsView: PlayerNSView, context: Context) {
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nsView.player = player
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}
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}
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class PlayerNSView: NSView {
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override init(frame: NSRect) {
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super.init(frame: frame)
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wantsLayer = true
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let playerLayer = AVPlayerLayer()
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playerLayer.videoGravity = .resizeAspect
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layer = playerLayer
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}
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required init?(coder: NSCoder) {
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fatalError()
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}
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override func layout() {
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super.layout()
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(layer as? AVPlayerLayer)?.frame = bounds
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}
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var player: AVPlayer? {
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get { (layer as? AVPlayerLayer)?.player }
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set { (layer as? AVPlayerLayer)?.player = newValue }
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}
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}
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#endif
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