From 091126e2e26e5ab6187998726d06afec089a5874 Mon Sep 17 00:00:00 2001
From: Nathan Cannon <neviynhd@gmail.com>
Date: Sat, 19 Mar 2016 23:08:05 +0000
Subject: [PATCH] Added conditions to prevent breaking if no callback interface
 is defined.

---
 src/main/java/musicplayer/player/GStreamerPlayer.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/java/musicplayer/player/GStreamerPlayer.java b/src/main/java/musicplayer/player/GStreamerPlayer.java
index e4b206c..c2ed7c6 100644
--- a/src/main/java/musicplayer/player/GStreamerPlayer.java
+++ b/src/main/java/musicplayer/player/GStreamerPlayer.java
@@ -67,7 +67,8 @@ public class GStreamerPlayer implements IPlayer{
     }
 
     private void resetSeek(){
-        callbackInterface.setSeekBarPosition(0);
+        if(callbackInterface != null)
+            callbackInterface.setSeekBarPosition(0);
     }
 
     public void play() throws StartPlayingException {
@@ -106,7 +107,8 @@ public class GStreamerPlayer implements IPlayer{
                 while (true) {
                     if (playBin.queryDuration().getSeconds() > 0 || playBin.queryDuration().getNanoSeconds() > 0) break;
                 } // Wait for song to actually be playing otherwise queryDuration is always zero
-                callbackInterface.setSeekBarDuration((int) playBin.queryDuration().toSeconds());
+                if(callbackInterface != null)
+                    callbackInterface.setSeekBarDuration((int) playBin.queryDuration().toSeconds());
             }
             else{
                 throw new StartPlayingException(inputSong.get());