From 3bc3900dba5b9bfb5b6f9b7e147233631207f498 Mon Sep 17 00:00:00 2001
From: bachinger <bachinger@google.com>
Date: Fri, 21 Jul 2017 04:48:03 -0700
Subject: [PATCH] Do not update queue when the queue did not actually change to
 avoid unnecessary updates are broadcasted to all clients.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=162728670
---
 .../ext/mediasession/TimelineQueueNavigator.java           | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/extensions/mediasession/src/main/java/com/google/android/exoplayer2/ext/mediasession/TimelineQueueNavigator.java b/extensions/mediasession/src/main/java/com/google/android/exoplayer2/ext/mediasession/TimelineQueueNavigator.java
index 21bdaef0f3..76dbf40194 100644
--- a/extensions/mediasession/src/main/java/com/google/android/exoplayer2/ext/mediasession/TimelineQueueNavigator.java
+++ b/extensions/mediasession/src/main/java/com/google/android/exoplayer2/ext/mediasession/TimelineQueueNavigator.java
@@ -93,7 +93,12 @@ public abstract class TimelineQueueNavigator implements MediaSessionConnector.Qu
 
   @Override
   public void onCurrentWindowIndexChanged(Player player) {
-    publishFloatingQueueWindow(player);
+    if (activeQueueItemId == MediaSessionCompat.QueueItem.UNKNOWN_ID
+        || player.getCurrentTimeline().getWindowCount() > maxQueueSize) {
+      publishFloatingQueueWindow(player);
+    } else if (!player.getCurrentTimeline().isEmpty()) {
+      activeQueueItemId = player.getCurrentWindowIndex();
+    }
   }
 
   @Override