From 5c9a5133dfa1bfaf03eff13123c3261e712f006e Mon Sep 17 00:00:00 2001
From: fdp <1286779656@qq.com>
Date: Sun, 24 Aug 2025 17:29:37 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BA=94=E7=94=A8=E9=9F=B3=E9=87=8F=E5=92=8C?=
 =?UTF-8?q?=E7=B3=BB=E7=BB=9F=E9=9F=B3=E9=87=8F=E5=81=9A=E7=89=88=E5=AE=9A?=
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---
 .../agent_service/AudioSessionHub.swift       | 98 +++++++++++++++++++
 1 file changed, 98 insertions(+)

diff --git a/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AudioSessionHub.swift b/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AudioSessionHub.swift
index 71c363611..4ed3d8bf8 100644
--- a/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AudioSessionHub.swift
+++ b/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AudioSessionHub.swift
@@ -17,12 +17,110 @@ public class AudioSessionHub {
     private let audioSession = AVAudioSession.sharedInstance()
     private var isInterrupted = false
     
+    // 添加系统音量监听属性
+    private var systemVolumeObserver: NSKeyValueObservation?
+    private var isVolumeBindingEnabled: Bool = true  // 音量绑定开关
+    private var volumeBindingRatio: Float = 1.0      // 音量绑定比例
+    
     private init() {
         os_log("🎵 AudioSessionHub 开始初始化", log: logger, type: .info)
         setupNotifications()
+        setupSystemVolumeBinding()  // 设置系统音量绑定
         os_log("🎵 AudioSessionHub 初始化完成", log: logger, type: .info)
     }
     
+    /**
+     * 设置系统音量绑定
+     * 监听系统音量变化并同步到应用音量
+     */
+    private func setupSystemVolumeBinding() {
+        // 监听系统音量变化
+        systemVolumeObserver = audioSession.observe(\.outputVolume, options: [.new, .old]) { [weak self] session, change in
+            guard let self = self,
+                  let newVolume = change.newValue,
+                  let oldVolume = change.oldValue,
+                  self.isVolumeBindingEnabled,
+                  abs(newVolume - oldVolume) > 0.01 else { return }
+            
+            DispatchQueue.main.async {
+                self.syncAppVolumeWithSystem(systemVolume: newVolume)
+            }
+        }
+        
+        os_log("已设置系统音量绑定监听", log: logger, type: .info)
+    }
+    
+    /**
+     * 同步应用音量与系统音量
+     * @param systemVolume 系统音量值 (0.0 - 1.0)
+     */
+    private func syncAppVolumeWithSystem(systemVolume: Float) {
+        let targetAppVolume = systemVolume * volumeBindingRatio
+        
+        os_log("同步音量: 系统音量 %.2f -> 应用音量 %.2f (比例: %.2f)", 
+               log: logger, type: .info, systemVolume, targetAppVolume, volumeBindingRatio)
+        
+        // 更新所有音频播放器的音量
+        updateAllPlayersVolumeDirectly(targetAppVolume)
+        
+        // 发送音量同步通知
+        NotificationCenter.default.post(
+            name: Notification.Name("VolumeBindingSync"),
+            object: ["systemVolume": systemVolume, "appVolume": targetAppVolume]
+        )
+    }
+    
+    /**
+     * 启用或禁用音量绑定
+     * @param enabled 是否启用音量绑定
+     */
+    public func setVolumeBindingEnabled(_ enabled: Bool) {
+        isVolumeBindingEnabled = enabled
+        os_log("音量绑定已%{public}@", log: logger, type: .info, enabled ? "启用" : "禁用")
+        
+        if enabled {
+            // 立即同步当前系统音量
+            syncAppVolumeWithSystem(systemVolume: audioSession.outputVolume)
+        }
+    }
+    
+    /**
+     * 设置音量绑定比例
+     * @param ratio 绑定比例 (0.0 - 2.0)，1.0表示完全同步，0.5表示应用音量为系统音量的一半
+     */
+    public func setVolumeBindingRatio(_ ratio: Float) {
+        volumeBindingRatio = max(0.0, min(ratio, 2.0))
+        os_log("音量绑定比例设置为: %.2f", log: logger, type: .info, volumeBindingRatio)
+        
+        if isVolumeBindingEnabled {
+            // 立即应用新比例
+            syncAppVolumeWithSystem(systemVolume: audioSession.outputVolume)
+        }
+    }
+    
+    /**
+     * 获取当前系统音量
+     * @return 系统音量值 (0.0 - 1.0)
+     */
+    public func getSystemVolume() -> Float {
+        return audioSession.outputVolume
+    }
+    
+    /**
+     * 直接更新所有播放器音量（不触发绑定逻辑）
+     * @param volume 目标音量值
+     */
+    private func updateAllPlayersVolumeDirectly(_ volume: Float) {
+        // 这里需要你实现具体的播放器音量更新逻辑
+        // 例如更新 AudioPlayer 中的所有播放器实例
+        
+        // 发送音量更新通知给 AudioPlayer
+        NotificationCenter.default.post(
+            name: Notification.Name("UpdatePlayerVolume"),
+            object: volume
+        )
+    }
+    
     public static func initialize() {
         os_log("🎵 主动初始化 AudioSessionHub", log: shared.logger, type: .info)
         _ = shared // 触发单例初始化