Merge pull request #20 from svdztn/fix_seekback_with_no_play

Fix seekback with no play & progress bar data loss

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

@@ -96,11 +96,14 @@ class MyNativeAudio : Plugin() {
       //if (!isPlaying) currentTime -= playerNotificationService.calcPauseSeekBackTime()
       var id = playerNotificationService.getCurrentAudiobookId()
       Log.d(tag, "Get Current id $id")
+      var duration = playerNotificationService.getDuration()
+      Log.d(tag, "Get duration $duration")
       val ret = JSObject()
       ret.put("lastPauseTime", lastPauseTime)
       ret.put("currentTime", currentTime)
       ret.put("isPlaying", isPlaying)
       ret.put("id", id)
+      ret.put("duration", duration)
       call.resolve(ret)
     }
   }

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

@@ -388,11 +388,16 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
             }*/
 
             currentAudiobook!!.hasPlayerLoaded = true
-            sendClientMetadata("ready")
+            if (lastPauseTime == 0L) {
+              sendClientMetadata("ready_no_sync")
+              lastPauseTime = -1;
+            }
+            else sendClientMetadata("ready")
           }
           if (mPlayer.playbackState == Player.STATE_BUFFERING) {
             Log.d(tag, "STATE_BUFFERING : " + mPlayer.currentPosition.toString())
-            sendClientMetadata("buffering")
+            if (lastPauseTime == 0L) sendClientMetadata("buffering_no_sync")
+            else sendClientMetadata("buffering")
           }
           if (mPlayer.playbackState == Player.STATE_ENDED) {
             Log.d(tag, "STATE_ENDED")
@@ -488,6 +493,10 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
     return lastPauseTime
   }
 
+  fun getDuration() : Long {
+    return mPlayer.duration
+  }
+
   fun calcPauseSeekBackTime() : Long {
     if (lastPauseTime <= 0) return 0
     var time: Long = System.currentTimeMillis() - lastPauseTime

components/AudioPlayerMini.vue

@@ -74,7 +74,8 @@ export default {
       seekedTime: 0,
       seekLoading: false,
       onPlayingUpdateListener: null,
-      onMetadataListener: null
+      onMetadataListener: null,
+	  noSyncUpdateTime: false
     }
   },
   computed: {
@@ -100,7 +101,7 @@ export default {
       MyNativeAudio.seekForward({ amount: '10000' })
     },
     sendStreamUpdate() {
-      this.$emit('updateTime', this.currentTime)
+	  this.$emit('updateTime', this.currentTime)
     },
     setStreamReady() {
       this.readyTrackWidth = this.trackWidth
@@ -150,7 +151,8 @@ export default {
       }
 
       this.updateTimestamp()
-      this.sendStreamUpdate()
+      if (this.noSyncUpdateTime) this.noSyncUpdateTime = false
+      else this.sendStreamUpdate()
 
       var perc = this.currentTime / this.totalDuration
       var ptWidth = Math.round(perc * this.trackWidth)
@@ -226,6 +228,7 @@ export default {
           console.log('Same audiobook')
           this.isPaused = !data.isPlaying
           this.currentTime = Number((data.currentTime / 1000).toFixed(2))
+		  this.totalDuration = Number((data.duration / 1000).toFixed(2))
           this.timeupdate()
           if (data.isPlaying) {
             console.log('playing - continue')
@@ -330,7 +333,9 @@ export default {
         this.setFromObj()
       }
 
-      this.timeupdate()
+	  if ((this.stateName === 'ready_no_sync') || (this.stateName === 'buffering_no_sync')) this.noSyncUpdateTime = true
+	  
+	  this.timeupdate()
     },
     init() {
       this.onPlayingUpdateListener = MyNativeAudio.addListener('onPlayingUpdate', this.onPlayingUpdate)