fix(UNT-T39987): recorder state update when call receive in ios

ios/AudioRecorder.swift

@@ -16,7 +16,8 @@ public class AudioRecorder: NSObject, AVAudioRecorderDelegate{
   var audioUrl: URL?
   var recordedDuration: CMTime = CMTime.zero
   private var timer: Timer?
-    var updateFrequency = UpdateFrequency.medium
+  var updateFrequency = UpdateFrequency.medium
+  private var isRecordingActive = false
 
   private func createAudioRecordPath(fileNameFormat: String?) -> URL? {
     let format = DateFormatter()
@@ -65,11 +66,20 @@ public class AudioRecorder: NSObject, AVAudioRecorderDelegate{
         reject(Constants.audioWaveforms, "Failed to initialise file URL", nil)
         return
       }
+
+      NotificationCenter.default.addObserver(
+        self,
+        selector: #selector(handleInterruption),
+        name: AVAudioSession.interruptionNotification,
+        object: AVAudioSession.sharedInstance()
+      )
+
       audioRecorder = try AVAudioRecorder(url: newPath, settings: settings as [String : Any])
       audioRecorder?.delegate = self
       audioRecorder?.isMeteringEnabled = true
       audioRecorder?.record()
-        startListening()
+      isRecordingActive = true
+      startListening()
       resolve(true)
     } catch let error as NSError {
       print(error.localizedDescription)
@@ -97,7 +107,9 @@ public class AudioRecorder: NSObject, AVAudioRecorderDelegate{
   }
 
   public func stopRecording(_ resolve: @escaping RCTPromiseResolveBlock, rejecter reject: @escaping RCTPromiseRejectBlock) -> Void {
-      stopListening()
+    stopListening()
+    isRecordingActive = false
+    NotificationCenter.default.removeObserver(self, name: AVAudioSession.interruptionNotification, object: nil)
     audioRecorder?.stop()
     if(audioUrl != nil) {
       let asset = AVURLAsset(url:  audioUrl!)
@@ -122,14 +134,26 @@ public class AudioRecorder: NSObject, AVAudioRecorderDelegate{
   }
 
   public func pauseRecording(_ resolve: RCTPromiseResolveBlock) -> Void {
-    audioRecorder?.pause()
+    pauseActiveRecording()
     resolve(true)
   }
 
   public func resumeRecording(_ resolve: RCTPromiseResolveBlock) -> Void {
-    audioRecorder?.record()
+    resumeActiveRecording()
     resolve(true)
   }
+
+  private func pauseActiveRecording() {
+    audioRecorder?.pause()
+    isRecordingActive = false
+    stopListening()
+  }
+
+  private func resumeActiveRecording() {
+    audioRecorder?.record()
+    isRecordingActive = true
+    startListening()
+  }
 
     func getDecibelLevel() -> Float {
         audioRecorder?.updateMeters()
@@ -203,5 +227,26 @@ public class AudioRecorder: NSObject, AVAudioRecorderDelegate{
       return Int(kAudioFormatMPEG4AAC)
     }
   }
+
+  @objc private func handleInterruption(notification: Notification) {
+    guard let userInfo = notification.userInfo,
+          let typeValue = userInfo[AVAudioSessionInterruptionTypeKey] as? UInt,
+          let type = AVAudioSession.InterruptionType(rawValue: typeValue) else {
+      return
+    }
+
+    switch type {
+    case .began:
+      if isRecordingActive {
+        pauseActiveRecording()
+        EventEmitter.sharedInstance.dispatch(
+          name: Constants.onDidFinishRecordingAudio,
+          body: ["finishType": RecorderFinishType.pause.rawValue]
+        )
+      }
+    @unknown default:
+      break
+    }
+  }
 }
 

ios/EventEmitter.swift

@@ -19,7 +19,7 @@ class EventEmitter {
 
   /// All Events which must be support by React Native.
   lazy var allEvents: [String] = {
-    var allEventNames: [String] = ["onDidFinishPlayingAudio", "onCurrentDuration", "onCurrentExtractedWaveformData", "onCurrentRecordingWaveformData"]
+    var allEventNames: [String] = ["onDidFinishPlayingAudio", "onCurrentDuration", "onCurrentExtractedWaveformData", "onCurrentRecordingWaveformData", "onDidFinishRecordingAudio"]
 
     // Append all events here
 

ios/Utils.swift

@@ -55,7 +55,7 @@ struct Constants {
   static let preparePlayer = "preparePlayer"
   static let onCurrentDuration = "onCurrentDuration"
   static let currentDuration = "currentDuration"
-    static let currentDecibel = "currentDecibel"
+  static let currentDecibel = "currentDecibel"
   static let playerKey = "playerKey"
   static let stopAllPlayers = "stopAllPlayers"
   static let stopAllWaveFormExtractors = "stopAllWaveFormExtractors"
@@ -66,7 +66,8 @@ struct Constants {
   static let extractWaveformData = "extractWaveformData"
   static let noOfSamples = "noOfSamples"
   static let onCurrentExtractedWaveformData = "onCurrentExtractedWaveformData"
-    static let onCurrentRecordingWaveformData = "onCurrentRecordingWaveformData"
+  static let onCurrentRecordingWaveformData = "onCurrentRecordingWaveformData"
+  static let onDidFinishRecordingAudio = "onDidFinishRecordingAudio"
   static let waveformData = "waveformData"
   static let onExtractionProgressUpdate = "onExtractionProgressUpdate"
   static let useLegacyNormalization = "useLegacyNormalization"
@@ -80,6 +81,11 @@ enum FinishMode : Int{
   case stop = 2
 }
 
+enum RecorderFinishType : Int{
+  case pause = 0
+  case resume = 1
+}
+
 //Note: If you are making change here, please make sure to make change in Android and React Native side as well other wise there will be mismatch in value
 //Use same values in Android and React native side as well
 enum UpdateFrequency : Double {

src/components/Waveform/Waveform.tsx

@@ -24,6 +24,7 @@ import {
   playbackSpeedThreshold,
   PlayerState,
   RecorderState,
+  RecorderFinishType,
   UpdateFrequency,
 } from '../../constants';
 import {
@@ -96,6 +97,7 @@ export const Waveform = forwardRef<IWaveformRef, IWaveform>((props, ref) => {
     onCurrentDuration,
     onDidFinishPlayingAudio,
     onCurrentRecordingWaveformData,
+    onDidFinishRecordingAudio,
     setPlaybackSpeed,
     markPlayerAsUnmounted,
   } = useAudioPlayer();
@@ -524,10 +526,20 @@ export const Waveform = forwardRef<IWaveformRef, IWaveform>((props, ref) => {
         }
       }
     );
+
+    const traceRecordingFinish = onDidFinishRecordingAudio(data => {
+      if (data.finishType === RecorderFinishType.pause) {
+        setRecorderState(RecorderState.paused);
+      } else if (data.finishType === RecorderFinishType.resume) {
+        setRecorderState(RecorderState.recording);
+      }
+    });
+
     return () => {
       tracePlayerState.remove();
       tracePlaybackValue.remove();
       traceRecorderWaveformValue.remove();
+      traceRecordingFinish.remove();
       markPlayerAsUnmounted();
     };
     // eslint-disable-next-line react-hooks/exhaustive-deps

src/constants/index.ts

@@ -8,6 +8,7 @@ export enum NativeEvents {
   onCurrentDuration = 'onCurrentDuration',
   onCurrentExtractedWaveformData = 'onCurrentExtractedWaveformData',
   onCurrentRecordingWaveformData = 'onCurrentRecordingWaveformData',
+  onDidFinishRecordingAudio = 'onDidFinishRecordingAudio',
 }
 
 export enum PermissionStatus {
@@ -34,6 +35,11 @@ export enum RecorderState {
   stopped = 'stopped',
 }
 
+export enum RecorderFinishType {
+  pause = 0,
+  resume = 1,
+}
+
 //Note: If you are making change here, please make sure to make change in iOS and Android side as well other wise there will be mismatch in value
 //Use same values in iOS and Android side as well
 export enum UpdateFrequency {

src/hooks/useAudioPlayer.tsx

@@ -79,6 +79,14 @@ export const useAudioPlayer = () => {
       result => callback(result)
     );
 
+  const onDidFinishRecordingAudio = (
+    callback: (result: { finishType: number }) => void
+  ) =>
+    audioPlayerEmitter.addListener(
+      NativeEvents.onDidFinishRecordingAudio,
+      result => callback(result)
+    );
+
   const setPlaybackSpeed = (args: ISetPlaybackSpeed) =>
     AudioWaveform.setPlaybackSpeed(args);
 
@@ -100,6 +108,7 @@ export const useAudioPlayer = () => {
     onCurrentExtractedWaveformData,
     getDuration,
     onCurrentRecordingWaveformData,
+    onDidFinishRecordingAudio,
     setPlaybackSpeed,
     markPlayerAsUnmounted,
     stopAllWaveFormExtractors,