native plugin: add getStreamSyncData()

android/app/src/main/java/com/audiobookshelf/app/MyNativeAudio.kt

@@ -85,6 +85,26 @@ class MyNativeAudio : Plugin() {
     }
   }
 
+  @PluginMethod
+  fun getStreamSyncData(call: PluginCall) {
+    Handler(Looper.getMainLooper()).post() {
+      var isPlaying = playerNotificationService.getPlayStatus()
+      var lastPauseTime = playerNotificationService.getTheLastPauseTime()
+      Log.d(tag, "Get Last Pause Time $lastPauseTime")
+      var currentTime = playerNotificationService.getCurrentTime()
+      Log.d(tag, "Get Current Time $currentTime")
+      //if (!isPlaying) currentTime -= playerNotificationService.calcPauseSeekBackTime()
+      var id = playerNotificationService.getCurrentAudiobookId()
+      Log.d(tag, "Get Current id $id")
+      val ret = JSObject()
+      ret.put("lastPauseTime", lastPauseTime)
+      ret.put("currentTime", currentTime)
+      ret.put("isPlaying", isPlaying)
+      ret.put("id", id)
+      call.resolve(ret)
+    }
+  }
+
   @PluginMethod
   fun pausePlayer(call: PluginCall) {
     Handler(Looper.getMainLooper()).post() {

android/app/src/main/java/com/audiobookshelf/app/PlayerNotificationService.kt

@@ -81,6 +81,8 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
   var mediaButtonClickTimeout: Long = 1000  //ms
   var seekAmount: Long = 20000   //ms
 
+  private var lastPauseTime: Long = 0   //ms
+
   fun setCustomObjectListener(mylistener: MyCustomObjectListener) {
     listener = mylistener
   }
@@ -472,6 +474,8 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
     mPlayer.prepare()
     mPlayer.playWhenReady = currentAudiobook!!.playWhenReady
     mPlayer.setPlaybackSpeed(audiobook.playbackSpeed)
+
+    lastPauseTime = 0
   }
 
 
@@ -479,6 +483,18 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
     return mPlayer.currentPosition
   }
 
+  fun getTheLastPauseTime() : Long {
+    return lastPauseTime
+  }
+
+  fun getPlayStatus() : Boolean {
+    return mPlayer.isPlaying
+  }
+
+  fun getCurrentAudiobookId() : String {
+    return currentAudiobook?.id.toString()
+  }
+
   fun play() {
     if (mPlayer.isPlaying) {
       Log.d(tag, "Already playing")
@@ -489,6 +505,7 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
 
   fun pause() {
     mPlayer.pause()
+    lastPauseTime = System.currentTimeMillis()
   }
 
   fun seekPlayer(time: Long) {
@@ -511,6 +528,7 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
     if (mPlayer.playbackState == Player.STATE_READY) {
       mPlayer.clearMediaItems()
     }
+    lastPauseTime = 0
   }
 
   fun sendClientMetadata(stateName: String) {