Added basic player methods

ios/App/App/plugins/AbsAudioPlayer.swift

@@ -10,6 +10,11 @@ import Capacitor
 
 @objc(AbsAudioPlayer)
 public class AbsAudioPlayer: CAPPlugin {
+    override public func load() {
+        NotificationCenter.default.addObserver(self, selector: #selector(sendMetadata), name: NSNotification.Name(PlayerEvents.update.rawValue), object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(sendPlaybackClosedEvent), name: NSNotification.Name(PlayerEvents.closed.rawValue), object: nil)
+    }
+    
     @objc func prepareLibraryItem(_ call: CAPPluginCall) {
         let libraryItemId = call.getString("libraryItemId")
         let episodeId = call.getString("episodeId")
@@ -24,9 +29,12 @@ public class AbsAudioPlayer: CAPPlugin {
             return call.resolve()
         }
         
+        sendPrepareMetadataEvent(itemId: libraryItemId!, playWhenReady: playWhenReady)
         ApiClient.startPlaybackSession(libraryItemId: libraryItemId!, episodeId: episodeId) { session in
             PlayerHandler.startPlayback(session: session, playWhenReady: playWhenReady)
+            
             do {
+                self.sendPlaybackSession(session: try session.asDictionary())
                 call.resolve(try session.asDictionary())
             } catch(let exception) {
                 NSLog("failed to convert session to json")
@@ -34,6 +42,95 @@ public class AbsAudioPlayer: CAPPlugin {
                 
                 call.resolve([:])
             }
+            
+            self.sendMetadata()
         }
     }
+    @objc func closePlayback(_ call: CAPPluginCall) {
+        PlayerHandler.stopPlayback()
+        call.resolve()
+    }
+    
+    @objc func getCurrentTime(_ call: CAPPluginCall) {
+        call.resolve([
+            "value": PlayerHandler.getCurrentTime() ?? 0,
+            "bufferedTime": PlayerHandler.getCurrentTime() ?? 0,
+        ])
+    }
+    @objc func setPlaybackSpeed(_ call: CAPPluginCall) {
+        PlayerHandler.setPlaybackSpeed(speed: call.getFloat("value", 1.0))
+        call.resolve()
+    }
+    
+    @objc func playPause(_ call: CAPPluginCall) {
+        PlayerHandler.playPause()
+        call.resolve([ "playing": !PlayerHandler.paused() ])
+    }
+    @objc func playPlayer(_ call: CAPPluginCall) {
+        PlayerHandler.play()
+        call.resolve()
+    }
+    @objc func pausePlayer(_ call: CAPPluginCall) {
+        PlayerHandler.pause()
+        call.resolve()
+    }
+    
+    @objc func seek(_ call: CAPPluginCall) {
+        PlayerHandler.seek(amount: call.getDouble("value", 0.0))
+        call.resolve()
+    }
+    @objc func seekForward(_ call: CAPPluginCall) {
+        PlayerHandler.seekForward(amount: call.getDouble("value", 0.0))
+        call.resolve()
+    }
+    @objc func seekBackward(_ call: CAPPluginCall) {
+        PlayerHandler.seekBackward(amount: call.getDouble("value", 0.0))
+        call.resolve()
+    }
+    
+    @objc func sendMetadata() {
+        self.notifyListeners("onPlayingUpdate", data: [ "value": !PlayerHandler.paused() ])
+        self.notifyListeners("onMetadata", data: PlayerHandler.getMetdata())
+    }
+    @objc func sendPlaybackClosedEvent() {
+        self.notifyListeners("onPlaybackClosed", data: [ "value": true ])
+    }
+    
+    @objc func sendPrepareMetadataEvent(itemId: String, playWhenReady: Bool) {
+        self.notifyListeners("onPrepareMedia", data: [
+            "audiobookId": itemId,
+            "playWhenReady": playWhenReady,
+        ])
+    }
+    @objc func sendPlaybackSession(session: [String: Any]) {
+        self.notifyListeners("onPlaybackSession", data: session)
+    }
+    
+    /*
+     IMPLEMENTED:
+     
+     cancelSleepTimer
+     decreaseSleepTime
+     increaseSleepTime
+     getSleepTimerTime
+     setSleepTimer
+     * closePlayback
+     * setPlaybackSpeed
+     * seekBackward
+     * seekForward
+     * seek
+     * playPause
+     * playPlayer
+     * pausePlayer
+     * getCurrentTime
+     
+     * onPlaybackSession
+     * onPrepareMedia
+     
+     * onPlaybackClosed
+     * onPlayingUpdate
+     * onMetadata
+     onSleepTimerEnded
+     onSleepTimerSet
+     */
 }