Merge pull request #108 from rasmuslos/master

Move the audio-player to its own file

ios/App/App/AudioPlayer.swift

@@ -0,0 +1,258 @@
+//
+//  AudioPlayer.swift
+//  App
+//
+//  Created by Rasmus Krämer on 07.03.22.
+//
+
+import Foundation
+import AVFoundation
+import UIKit
+import MediaPlayer
+
+func getData(from url: URL, completion: @escaping (UIImage?) -> Void) {
+    URLSession.shared.dataTask(with: url, completionHandler: {(data, response, error) in
+        if let data = data {
+            completion(UIImage(data:data))
+        }
+    }).resume()
+}
+
+class AudioPlayer: NSObject {
+    // enums and @objc are not compatible
+    @objc dynamic var status: Int
+    @objc dynamic var rate: Float
+    
+    private var playerContext = 0
+    private var playerItemContext = 0
+    private var nowPlayingInfo: [String: Any] = [:]
+    
+    private var playWhenReady: Bool
+    
+    private var audioPlayer: AVPlayer
+    public var audiobook: Audiobook
+    
+    init(audiobook: Audiobook, playWhenReady: Bool = false) {
+        self.playWhenReady = playWhenReady
+        self.audiobook = audiobook
+        self.audioPlayer = AVPlayer()
+        self.status = -1
+        self.rate = 0.0
+        
+        super.init()
+        
+        initAudioSession()
+        setupRemoteTransportControls()
+        invokeMetadataUpdate()
+        
+        // Listen to player events
+        self.audioPlayer.addObserver(self, forKeyPath: #keyPath(AVPlayer.rate), options: .new, context: &playerContext)
+        self.audioPlayer.addObserver(self, forKeyPath: #keyPath(AVPlayer.currentItem), options: .new, context: &playerContext)
+        
+        let playerItem = AVPlayerItem(asset: createAsset())
+        playerItem.addObserver(self, forKeyPath: #keyPath(AVPlayerItem.status), options: .new, context: &playerItemContext)
+        
+        self.audioPlayer.replaceCurrentItem(with: playerItem)
+        seek(self.audiobook.startTime)
+        
+        NSLog("Audioplayer ready")
+    }
+    deinit {
+        destroy()
+    }
+    func destroy() {
+        pause()
+        
+        nowPlayingInfo = [:]
+        updateNowPlaying()
+    }
+    
+    // MARK: - Methods
+    public func play() {
+        self.audioPlayer.play()
+        self.status = 1
+        self.rate = 1.0
+        
+        updateNowPlaying()
+    }
+    public func pause() {
+        self.audioPlayer.pause()
+        self.status = 0
+        self.rate = 0.0
+        
+        updateNowPlaying()
+    }
+    public func seek(_ to: Double) {
+        let continuePlaing = rate > 0.0
+        
+        pause()
+        self.audioPlayer.seek(to: CMTime(seconds: to, preferredTimescale: 1000)) { completed in
+            if !completed {
+                NSLog("WARNING: seeking not completed (to \(to)")
+            }
+            
+            if continuePlaing {
+                self.play()
+            }
+            self.updateNowPlaying()
+        }
+    }
+    public func setPlaybackRate(_ rate: Float) {
+        if(self.audioPlayer.rate != rate) {
+            self.audioPlayer.rate = rate
+        }
+        self.rate = rate
+        
+        self.updateNowPlaying()
+    }
+    
+    public func getCurrentTime() -> Double {
+        self.audioPlayer.currentTime().seconds
+    }
+    public func getDuration() -> Double {
+        self.audioPlayer.currentItem?.duration.seconds ?? 0
+    }
+    
+    // MARK: - Private
+    private func createAsset() -> AVAsset {
+        let headers: [String: String] = [
+            "Authorization": "Bearer \(audiobook.token)"
+        ]
+        
+        return AVURLAsset(url: URL(string: audiobook.playlistUrl)!, options: ["AVURLAssetHTTPHeaderFieldsKey": headers])
+    }
+    private func initAudioSession() {
+        do {
+            try AVAudioSession.sharedInstance().setCategory(.playback, mode: .spokenAudio, options: [.allowAirPlay])
+            try AVAudioSession.sharedInstance().setActive(true)
+        } catch {
+            NSLog("Failed to set AVAudioSession category")
+            print(error)
+        }
+    }
+    
+    private func shouldFetchCover() -> Bool {
+        nowPlayingInfo[MPNowPlayingInfoPropertyExternalContentIdentifier] as? String != audiobook.streamId || nowPlayingInfo[MPMediaItemPropertyArtwork] == nil
+    }
+    
+    // MARK: - Now playing
+    func setupRemoteTransportControls() {
+        let commandCenter = MPRemoteCommandCenter.shared()
+        
+        commandCenter.playCommand.isEnabled = true
+        commandCenter.playCommand.addTarget { [unowned self] event in
+            play()
+            return .success
+        }
+        commandCenter.pauseCommand.isEnabled = true
+        commandCenter.pauseCommand.addTarget { [unowned self] event in
+            pause()
+            return .success
+        }
+        
+        commandCenter.skipForwardCommand.isEnabled = true
+        commandCenter.skipForwardCommand.preferredIntervals = [30]
+        commandCenter.skipForwardCommand.addTarget { [unowned self] event in
+            guard let command = event.command as? MPSkipIntervalCommand else {
+                return .noSuchContent
+            }
+            
+            seek(getCurrentTime() + command.preferredIntervals[0].doubleValue)
+            return .success
+        }
+        commandCenter.skipBackwardCommand.isEnabled = true
+        commandCenter.skipBackwardCommand.preferredIntervals = [30]
+        commandCenter.skipBackwardCommand.addTarget { [unowned self] event in
+            guard let command = event.command as? MPSkipIntervalCommand else {
+                return .noSuchContent
+            }
+            
+            seek(getCurrentTime() - command.preferredIntervals[0].doubleValue)
+            return .success
+        }
+        
+        commandCenter.changePlaybackPositionCommand.isEnabled = true
+        commandCenter.changePlaybackPositionCommand.addTarget { event in
+            guard let event = event as? MPChangePlaybackPositionCommandEvent else {
+                return .noSuchContent
+            }
+            
+            self.seek(event.positionTime)
+            return .success
+        }
+    }
+    
+    func invokeMetadataUpdate() {
+        if !shouldFetchCover() && audiobook.artworkUrl != nil {
+            setMetadata(nil)
+            return
+        }
+        
+        guard let url = URL(string: audiobook.artworkUrl!) else { return }
+        getData(from: url) { [weak self] image in
+            guard let self = self,
+                  let downloadedImage = image else {
+                      return
+                  }
+            let artwork = MPMediaItemArtwork.init(boundsSize: downloadedImage.size, requestHandler: { _ -> UIImage in
+                return downloadedImage
+            })
+            
+            self.setMetadata(artwork)
+        }
+    }
+    func setMetadata(_ artwork: MPMediaItemArtwork?) {
+        if artwork != nil {
+            nowPlayingInfo[MPMediaItemPropertyArtwork] = artwork
+        } else if shouldFetchCover() {
+            nowPlayingInfo[MPMediaItemPropertyArtwork] = nil
+        }
+        
+        nowPlayingInfo[MPNowPlayingInfoPropertyExternalContentIdentifier] = audiobook.streamId
+        nowPlayingInfo[MPNowPlayingInfoPropertyAssetURL] = URL(string: audiobook.playlistUrl)
+        nowPlayingInfo[MPNowPlayingInfoPropertyIsLiveStream] = false
+        nowPlayingInfo[MPNowPlayingInfoPropertyMediaType] = "hls"
+        
+        nowPlayingInfo[MPMediaItemPropertyTitle] = audiobook.title
+        nowPlayingInfo[MPMediaItemPropertyArtist] = audiobook.author ?? "unknown"
+        nowPlayingInfo[MPMediaItemPropertyAlbumTitle] = audiobook.series
+    }
+    
+    func updateNowPlaying() {
+        nowPlayingInfo[MPMediaItemPropertyPlaybackDuration] = getDuration()
+        nowPlayingInfo[MPNowPlayingInfoPropertyElapsedPlaybackTime] = getCurrentTime()
+        nowPlayingInfo[MPNowPlayingInfoPropertyPlaybackRate] = rate
+        nowPlayingInfo[MPNowPlayingInfoPropertyDefaultPlaybackRate] = 1.0
+        
+        MPNowPlayingInfoCenter.default().nowPlayingInfo = nowPlayingInfo
+    }
+    
+    // MARK: - Observer
+    public override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
+        if context == &playerItemContext {
+            if keyPath == #keyPath(AVPlayer.status) {
+                guard let playerStatus = AVPlayerItem.Status(rawValue: (change?[.newKey] as? Int ?? -1)) else { return }
+                
+                if playerStatus == .readyToPlay {
+                    NSLog("pain \(self.audiobook.startTime)")
+                    updateNowPlaying()
+                    
+                    self.status = 0
+                    if self.playWhenReady {
+                        self.playWhenReady = false
+                        self.play()
+                    }
+                }
+            }
+        } else if context == &playerContext {
+            if keyPath == #keyPath(AVPlayer.rate) {
+                setPlaybackRate(change?[.newKey] as? Float ?? 1.0)
+            } else if keyPath == #keyPath(AVPlayer.currentItem) {
+                NSLog("WARNING: Item ended")
+            }
+        } else {
+            super.observeValue(forKeyPath: keyPath, of: object, change: change, context: context)
+            return
+        }
+    }
+}

ios/App/App/Audiobook.swift

@@ -0,0 +1,24 @@
+//
+//  AudioBook.swift
+//  App
+//
+//  Created by Rasmus Krämer on 07.03.22.
+//
+
+import Foundation
+
+struct Audiobook {
+    var streamId: String
+    var audiobookId: String
+    var playlistUrl: String
+    
+    var startTime: Double = 0.0
+    var duration: Double
+    
+    var title: String
+    var series: String?
+    var author: String?
+    var artworkUrl: String?
+    
+    var token: String
+}

ios/App/App/MyNativeAudio.swift

@@ -3,369 +3,177 @@ import Capacitor
 import MediaPlayer
 import AVKit
 
-struct Audiobook {
-    var streamId = ""
-    var audiobookId = ""
-    var title = "No Title"
-    var author = "Unknown"
-    var playWhenReady = false
-    var startTime = 0.0
-    var cover = ""
-    var duration = 0
-    var series = ""
-    var playlistUrl = ""
-    var token = ""
-}
-
 @objc(MyNativeAudio)
 public class MyNativeAudio: CAPPlugin {
     var currentCall: CAPPluginCall?
-    var audioPlayer: AVPlayer!
+    var currentPlayer: AudioPlayer?
-    var audiobook: Audiobook?
     
-    // Key-value observing context
+    var playerContext = 0
-    private var playerItemContext = 0
-    private var playerState: PlayerState = .stopped
-    
-    enum PlayerState {
-        case stopped
-        case playing
-        case paused
-    }
     
     override public func load() {
         NSLog("Load MyNativeAudio")
-        NotificationCenter.default.addObserver(self, selector: #selector(stop), name: Notification.Name.AVPlayerItemDidPlayToEndTime, object: nil)
+        // NotificationCenter.default.addObserver(self, selector: #selector(stop), name: Notification.Name.AVPlayerItemDidPlayToEndTime, object: nil)
-        NotificationCenter.default.addObserver(self, selector: #selector(appDidEnterBackground), name: UIApplication.didEnterBackgroundNotification, object: nil)
-        NotificationCenter.default.addObserver(self, selector: #selector(appWillEnterForeground), name: UIApplication.willEnterForegroundNotification, object: nil)
-        
-        setupRemoteTransportControls()
     }
+    
     @objc func initPlayer(_ call: CAPPluginCall)  {
         NSLog("Init Player")
-        audiobook = Audiobook(
+        let audiobook = Audiobook(
-            streamId: call.getString("id") ?? "",
+            streamId: call.getString("id")!,
-            audiobookId: call.getString("audiobookId") ?? "",
+            audiobookId: call.getString("audiobookId")!,
+            playlistUrl: call.getString("playlistUrl")!,
+            
+            startTime: (Double(call.getString("startTime") ?? "0") ?? 0.0) / 1000,
+            duration: call.getDouble("duration") ?? 0,
+            
             title: call.getString("title") ?? "No Title",
-            author: call.getString("author") ?? "Unknown",
+            series: call.getString("series"),
-            playWhenReady: call.getBool("playWhenReady", false),
+            author: call.getString("author"),
-            startTime: Double(call.getString("startTime") ?? "0") ?? 0.0,
+            artworkUrl: call.getString("cover"),
-            cover: call.getString("cover") ?? "",
+            
-            duration: call.getInt("duration") ?? 0,
-            series: call.getString("series") ?? "",
-            playlistUrl: call.getString("playlistUrl") ?? "",
             token: call.getString("token") ?? ""
         )
-        if (audiobook == nil) {
+        
+        if self.currentPlayer != nil && self.currentPlayer?.audiobook.streamId == audiobook.streamId {
+            call.resolve(["success": true])
             return
         }
-
-        let headers: [String:String] = [
-            "Authorization": "Bearer \(audiobook!.token)"
-        ]
-        let url = URL(string:audiobook!.playlistUrl)
-        let asset = AVURLAsset(
-            url: url!,
-            options: ["AVURLAssetHTTPHeaderFieldsKey": headers]
-        )
         
-        print("Playing audiobook url \(String(describing: url))")
+        self.currentPlayer = AudioPlayer(audiobook: audiobook, playWhenReady: call.getBool("playWhenReady", false))
-        
+        self.currentPlayer!.addObserver(self, forKeyPath: #keyPath(AudioPlayer.status), options: .new, context: &playerContext)
-        // For play in background
-        do {
-            try AVAudioSession.sharedInstance().setCategory(.playback, mode: .spokenAudio, options: [.allowAirPlay])
-            try AVAudioSession.sharedInstance().setActive(true)
-            NSLog("[TEST] Session is Active")
-        } catch {
-            NSLog("[TEST] Failed to set BG Data")
-            print(error)
-        }
-        
-        let playerItem = AVPlayerItem(asset: asset)
-        playerItem.addObserver(self, forKeyPath: #keyPath(AVPlayerItem.status), options: [.old, .new], context: &playerItemContext)
-
-        self.audioPlayer = AVPlayer(playerItem: playerItem)
-        seek(to: (audiobook?.startTime ?? 0.0) / 1000)
-        
-        let time = self.audioPlayer.currentItem?.currentTime()
-        print("Audio Player Initialized \(String(describing: time))")
         
         call.resolve(["success": true])
     }
     
     public override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
-        // Only handle observations for the playerItemContext
+        guard context == &playerContext else {
-        guard context == &playerItemContext else {
             super.observeValue(forKeyPath: keyPath, of: object, change: change, context: context)
             return
         }
 
-        if keyPath == #keyPath(AVPlayerItem.status) {
+        if keyPath == #keyPath(AudioPlayer.status) {
-            let status: AVPlayerItem.Status
+            sendMetadata()
-            if let statusNumber = change?[.newKey] as? NSNumber {
-                status = AVPlayerItem.Status(rawValue: statusNumber.intValue)!
-                print("AVPlayer Status Change \(String(status.rawValue))")
-            } else {
-                status = .unknown
-            }
-
-            // Switch over status value
-            switch status {
-                case .readyToPlay:
-                    NSLog("AVPlayer ready to play")
-                    
-                    setNowPlayingMetadata()
-                    sendMetadata()
-                    
-                    if (audiobook?.playWhenReady == true) {
-                        NSLog("AVPlayer playWhenReady == true")
-                        play()
-                    }
-                    break
-                case .failed:
-                    // Player item failed. See error.
-                    break
-                case .unknown:
-                    // Player item is not yet ready
-                    break
-                @unknown default:
-                    break
-            }
         }
     }
     
     @objc func seekForward(_ call: CAPPluginCall) {
-        let amount = (Double(call.getString("amount", "0")) ?? 0) / 1000
+        if self.currentPlayer == nil {
-        let destinationTime = getCurrentTime() + amount
+            call.resolve()
+            return
+        }
         
-        seek(to: destinationTime)
+        let amount = (Double(call.getString("amount", "0")) ?? 0) / 1000
+        let destinationTime = self.currentPlayer!.getCurrentTime() + amount
+        
+        self.currentPlayer!.seek(destinationTime)
         call.resolve()
     }
     @objc func seekBackward(_ call: CAPPluginCall) {
-        let amount = (Double(call.getString("amount", "0")) ?? 0) / 1000
+        if self.currentPlayer == nil {
-        let destinationTime = getCurrentTime() - amount
+            call.resolve()
+            return
+        }
         
-        seek(to: destinationTime)
+        let amount = (Double(call.getString("amount", "0")) ?? 0) / 1000
+        let destinationTime = self.currentPlayer!.getCurrentTime() - amount
+        
+        self.currentPlayer!.seek(destinationTime)
         call.resolve()
     }
     @objc func seekPlayer(_ call: CAPPluginCall) {
+        if self.currentPlayer == nil {
+            call.resolve()
+            return
+        }
+        
         let seekTime = (Double(call.getString("timeMs", "0")) ?? 0) / 1000
         NSLog("Seek Player \(seekTime)")
         
-        seek(to: seekTime)
+        self.currentPlayer!.seek(seekTime)
         call.resolve()
     }
     
     @objc func pausePlayer(_ call: CAPPluginCall) {
-        pause()
+        if self.currentPlayer == nil {
+            call.resolve()
+            return
+        }
+        
+        self.currentPlayer!.pause()
+        
+        sendPlaybackStatusUpdate(false)
         call.resolve()
     }
     @objc func playPlayer(_ call: CAPPluginCall) {
-        play()
+        if self.currentPlayer == nil {
+            call.resolve()
+            return
+        }
+        
+        self.currentPlayer!.play()
+        
+        sendPlaybackStatusUpdate(true)
         call.resolve()
     }
     
     @objc func terminateStream(_ call: CAPPluginCall) {
-        pause()
+        stop()
         call.resolve()
     }
     @objc func stop() {
         if let call = currentCall {
+            if self.currentPlayer != nil {
+                self.currentPlayer!.destroy()
+            }
+            
+            self.currentPlayer = nil
             currentCall = nil;
             call.resolve([ "result": true ])
         }
     }
     
     @objc func getCurrentTime(_ call: CAPPluginCall) {
-        let currTime = self.audioPlayer.currentItem?.currentTime().seconds ?? 0
+        if self.currentPlayer == nil {
-        let buffTime = self.audioPlayer.currentItem?.currentTime().seconds ?? 0
+            call.resolve()
+            return
+        }
         
-        NSLog("AVPlayer getCurrentTime \(currTime)")
+        let currentTime = self.currentPlayer?.getCurrentTime() ?? 0
-        call.resolve([ "value": currTime * 1000, "bufferedTime": buffTime * 1000 ])
+        call.resolve([ "value": currentTime * 1000, "bufferedTime": currentTime * 1000 ])
     }
     @objc func getStreamSyncData(_ call: CAPPluginCall) {
-        let streamId = audiobook?.streamId ?? ""
+        if self.currentPlayer == nil {
-        call.resolve([ "isPlaying": false, "lastPauseTime": 0, "id": streamId ])
+            call.resolve([ "isPlaying": false as Any, "lastPauseTime": 0, "id": nil ])
+            return
+        }
+        
+        call.resolve([ "isPlaying": self.currentPlayer!.rate > 0.0, "lastPauseTime": 0, "id": self.currentPlayer?.audiobook.streamId as Any ])
     }
     @objc func setPlaybackSpeed(_ call: CAPPluginCall) {
+        if self.currentPlayer == nil {
+            call.resolve()
+            return
+        }
+        
         let speed = call.getFloat("speed") ?? 0
-        NSLog("[TEST] Set Playback Speed \(speed)")
+        self.currentPlayer!.setPlaybackRate(speed)
-        audioPlayer.rate = speed
         
         call.resolve()
     }
-
-    func play() {
-        audioPlayer.play()
-        playerState = .playing
-        
-        updateNowPlaying()
-        sendMetadata()
-        
-        self.notifyListeners("onPlayingUpdate", data: [
-            "value": true
-        ])
-    }
-    func pause() {
-        audioPlayer.pause()
-        playerState = .paused
-        
-        updateNowPlaying()
-        sendMetadata()
-        
-        self.notifyListeners("onPlayingUpdate", data: [
-            "value": false
-        ])
-    }
-    func seek(to: Double) {
-        var seekTime = to
-        
-        if seekTime < 0 {
-            seekTime = 0
-        } else if seekTime > getDuration() {
-            seekTime = getDuration()
-        }
-        
-        self.audioPlayer.seek(to: CMTime(seconds: seekTime, preferredTimescale: 1000)) { finished in
-            self.updateNowPlaying()
-        }
-    }
-    
-    func getCurrentTime() -> Double {
-        return self.audioPlayer.currentItem?.currentTime().seconds ?? 0
-    }
-    func getDuration() -> Double {
-        return self.audioPlayer.currentItem?.duration.seconds ?? 0
-    }
-    func getPlaybackRate() -> Float {
-        return self.audioPlayer.rate
-    }
     
     func sendMetadata() {
+        if self.currentPlayer == nil {
+            return
+        }
+            
         self.notifyListeners("onMetadata", data: [
-            "duration": getDuration() * 1000,
+            "duration": self.currentPlayer!.getDuration() * 1000,
-            "currentTime": getCurrentTime() * 1000,
+            "currentTime": self.currentPlayer!.getCurrentTime() * 1000,
             "stateName": "unknown"
         ])
     }
-    
+    func sendPlaybackStatusUpdate(_ playing: Bool) {
-    @objc func appDidEnterBackground() {
+        self.notifyListeners("onPlayingUpdate", data: [
-        updateNowPlaying()
+            "value": playing
-        NSLog("[TEST] App Enter Backround")
+        ])
-    }
-    @objc func appWillEnterForeground() {
-        NSLog("[TEST] App Will Enter Foreground")
-    }
-    
-    func getData(from url: URL, completion: @escaping (UIImage?) -> Void) {
-         URLSession.shared.dataTask(with: url, completionHandler: {(data, response, error) in
-             if let data = data {
-                 completion(UIImage(data:data))
-             }
-         })
-         .resume()
-     }
-    func shouldFetchCover() -> Bool {
-        let nowPlayingInfo = MPNowPlayingInfoCenter.default().nowPlayingInfo ?? [String: Any]()
-        return nowPlayingInfo[MPNowPlayingInfoPropertyExternalContentIdentifier] as? String != audiobook?.streamId
-    }
-    
-    func setupRemoteTransportControls() {
-        let commandCenter = MPRemoteCommandCenter.shared()
-        
-        commandCenter.playCommand.isEnabled = true
-        commandCenter.playCommand.addTarget { [unowned self] event in
-            play()
-            return .success
-        }
-        commandCenter.pauseCommand.isEnabled = true
-        commandCenter.pauseCommand.addTarget { [unowned self] event in
-            pause()
-            return .success
-        }
-        
-        commandCenter.skipForwardCommand.isEnabled = true
-        commandCenter.skipForwardCommand.preferredIntervals = [30]
-        commandCenter.skipForwardCommand.addTarget { [unowned self] event in
-            guard let command = event.command as? MPSkipIntervalCommand else {
-                return .noSuchContent
-            }
-            
-            seek(to: getCurrentTime() + command.preferredIntervals[0].doubleValue)
-            return .success
-        }
-        commandCenter.skipBackwardCommand.isEnabled = true
-        commandCenter.skipBackwardCommand.preferredIntervals = [30]
-        commandCenter.skipBackwardCommand.addTarget { [unowned self] event in
-            guard let command = event.command as? MPSkipIntervalCommand else {
-                return .noSuchContent
-            }
-            
-            seek(to: getCurrentTime() - command.preferredIntervals[0].doubleValue)
-            return .success
-        }
-        
-        commandCenter.changePlaybackPositionCommand.isEnabled = true
-        commandCenter.changePlaybackPositionCommand.addTarget { event in
-            guard let event = event as? MPChangePlaybackPositionCommandEvent else {
-                return .noSuchContent
-            }
-            
-            self.seek(to: event.positionTime)
-            return .success
-        }
-    }
-    func updateNowPlaying() {
-        NSLog("%@", "**** Set playback info: rate \(getPlaybackRate()), position \(getCurrentTime()), duration \(getDuration())")
-        
-        let nowPlayingInfoCenter = MPNowPlayingInfoCenter.default()
-        var nowPlayingInfo = nowPlayingInfoCenter.nowPlayingInfo ?? [String: Any]()
-        
-        nowPlayingInfo[MPMediaItemPropertyPlaybackDuration] = getDuration()
-        nowPlayingInfo[MPNowPlayingInfoPropertyElapsedPlaybackTime] = getCurrentTime()
-        nowPlayingInfo[MPNowPlayingInfoPropertyPlaybackRate] = getPlaybackRate()
-        nowPlayingInfo[MPNowPlayingInfoPropertyDefaultPlaybackRate] = 1.0
-        
-        nowPlayingInfoCenter.nowPlayingInfo = nowPlayingInfo
-    }
-    
-    func setNowPlayingMetadata() {
-        if audiobook?.cover != nil && shouldFetchCover() {
-            guard let url = URL(string: audiobook!.cover) else { return }
-            getData(from: url) { [weak self] image in
-                guard let self = self,
-                      let downloadedImage = image else {
-                          return
-                      }
-                let artwork = MPMediaItemArtwork.init(boundsSize: downloadedImage.size, requestHandler: { _ -> UIImage in
-                    return downloadedImage
-                })
-                
-                self.setNowPlayingMetadataWithImage(artwork)
-            }
-        } else {
-            setNowPlayingMetadataWithImage(nil)
-        }
-    }
-    func setNowPlayingMetadataWithImage(_ artwork: MPMediaItemArtwork?) {
-        NSLog("%@", "**** Set track metadata: title \(audiobook?.title ?? "")")
-        
-        let nowPlayingInfoCenter = MPNowPlayingInfoCenter.default()
-        var nowPlayingInfo = [String: Any]()
-        
-        if artwork != nil {
-            nowPlayingInfo[MPMediaItemPropertyArtwork] = artwork
-        } else if shouldFetchCover() {
-            nowPlayingInfo[MPMediaItemPropertyArtwork] = nil
-        }
-        
-        nowPlayingInfo[MPNowPlayingInfoPropertyExternalContentIdentifier] = audiobook?.streamId
-        nowPlayingInfo[MPNowPlayingInfoPropertyAssetURL] = audiobook?.playlistUrl != nil ? URL(string: audiobook!.playlistUrl) : nil
-        nowPlayingInfo[MPNowPlayingInfoPropertyMediaType] = "hls"
-        nowPlayingInfo[MPNowPlayingInfoPropertyIsLiveStream] = false
-        nowPlayingInfo[MPMediaItemPropertyTitle] = audiobook?.title ?? ""
-        nowPlayingInfo[MPMediaItemPropertyArtist] = audiobook?.author ?? ""
-        
-        nowPlayingInfoCenter.nowPlayingInfo = nowPlayingInfo
     }
 }