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116 lines
3.9 KiB
116 lines
3.9 KiB
import Flutter
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import AVKit
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import UIKit
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@objc(FloatingUiPlugin)
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public class FloatingUiPlugin: NSObject, FlutterPlugin {
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private var pipContentViewArray: [PlayerView] = []
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/**
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* 更新音频会话配置，保证 PiP 播放场景的音频行为符合预期
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* - Parameters: 无
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* - Returns: 无
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* - Throws: 无（内部捕获并记录 setCategory/setActive 可能抛出的异常）
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*/
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private static func updateAudioSession() {
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let audioSession = AVAudioSession.sharedInstance()
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do {
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if #available(iOS 14.5, *) {
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try audioSession.setCategory(.playback, mode: .moviePlayback, options: [.overrideMutedMicrophoneInterruption, .mixWithOthers])
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} else {
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try audioSession.setCategory(.playback, mode: .moviePlayback, options: [.mixWithOthers])
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}
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try audioSession.setActive(true)
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} catch {
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NSLog("Set audio session error: \(error.localizedDescription)")
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}
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}
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/**
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* Flutter 插件注册入口
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* - Parameters:
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* - registrar: FlutterPluginRegistrar 实例，用于注册通道与原生视图
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* - Returns: 无
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* - Throws: 无（注册流程不抛出异常）
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*/
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public static func register(with registrar: FlutterPluginRegistrar) {
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let channel = FlutterMethodChannel(name: "native_plugin", binaryMessenger: registrar.messenger())
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let instance = FloatingUiPlugin()
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registrar.addMethodCallDelegate(instance, channel: channel)
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let factory = FLNativeViewFactory(messenger: registrar.messenger())
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registrar.register(factory, withId: "native_view")
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}
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/**
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* Flutter MethodChannel 调用处理入口
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* - Parameters:
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* - call: Flutter 发起的方法调用（方法名与参数）
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* - result: 用于向 Flutter 回传结果的回调
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* - Returns: 无
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* - Throws: 无（内部逻辑不抛出异常，异常通过 result 或日志处理）
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*/
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public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
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switch call.method {
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case "getPlatformVersion":
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result("iOS " + UIDevice.current.systemVersion)
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case "createPipContentView":
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Self.updateAudioSession()
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let playerView = PlayerView()
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// 这里未来可以根据 PiP 的事件来控制播放状态
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playerView.play()
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pipContentViewArray.append(playerView)
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let ptr = Unmanaged.passUnretained(playerView).toOpaque()
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let viewId = UInt64(UInt(bitPattern: ptr))
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result(NSNumber(value: viewId))
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case "disposePipContentView":
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guard let viewIdNum = call.arguments as? NSNumber else {
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result(nil)
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return
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}
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let targetId = viewIdNum.uint64Value
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for (idx, playerView) in pipContentViewArray.enumerated() {
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let currentId = UInt64(UInt(bitPattern: Unmanaged.passUnretained(playerView).toOpaque()))
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if currentId == targetId {
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playerView.pause()
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pipContentViewArray.remove(at: idx)
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break
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}
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}
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result(nil)
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case "updatePipContentView":
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guard let data = call.arguments as? [String: Any] else {
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result(nil)
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return
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}
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let lang = data["lang"] as? String
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let cn = data["cn"] as? String
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let en = data["en"] as? String
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let viewIdNum = data["viewId"] as? NSNumber
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DispatchQueue.main.async { [weak self] in
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guard let self = self else { return }
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if let viewIdNum = viewIdNum {
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let targetId = viewIdNum.uint64Value
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for playerView in self.pipContentViewArray {
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let currentId = UInt64(UInt(bitPattern: Unmanaged.passUnretained(playerView).toOpaque()))
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if currentId == targetId {
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playerView.update(withLang: lang, cn: cn, en: en)
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break
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}
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}
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} else {
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if let playerView = self.pipContentViewArray.last {
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playerView.update(withLang: lang, cn: cn, en: en)
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}
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}
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}
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result(nil)
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default:
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result(FlutterMethodNotImplemented)
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}
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}
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}
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