From 6452364c1c44a6beeaa058db1419af834b17738f Mon Sep 17 00:00:00 2001
From: klhyun <klhyun@google.com>
Date: Wed, 8 Sep 2021 05:32:34 +0100
Subject: [PATCH] Update PlayerView's UI when available commands change

PiperOrigin-RevId: 395395015
---
 RELEASENOTES.md                                               | 2 ++
 .../com/google/android/exoplayer2/ui/PlayerControlView.java   | 4 +++-
 .../google/android/exoplayer2/ui/StyledPlayerControlView.java | 4 +++-
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index ac16d0c115..49a8bce7ef 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -32,6 +32,8 @@
         ([#9024](https://github.com/google/ExoPlayer/issues/9024)).
     *   Fix accessibility focus in `PlayerControlView`
         ([#9111](https://github.com/google/ExoPlayer/issues/9111)).
+    *   Fix issue that `StyledPlayerView` and `PlayerView` don't update UI
+        when available player commands change.
 *   Cast extension:
     *   Implement `CastPlayer.setPlaybackParameters(PlaybackParameters)` to
         support setting the playback speed
diff --git a/library/ui/src/main/java/com/google/android/exoplayer2/ui/PlayerControlView.java b/library/ui/src/main/java/com/google/android/exoplayer2/ui/PlayerControlView.java
index f9ad195d9f..77547f80a4 100644
--- a/library/ui/src/main/java/com/google/android/exoplayer2/ui/PlayerControlView.java
+++ b/library/ui/src/main/java/com/google/android/exoplayer2/ui/PlayerControlView.java
@@ -20,6 +20,7 @@ import static com.google.android.exoplayer2.Player.COMMAND_SEEK_FORWARD;
 import static com.google.android.exoplayer2.Player.COMMAND_SEEK_IN_CURRENT_WINDOW;
 import static com.google.android.exoplayer2.Player.COMMAND_SEEK_TO_NEXT;
 import static com.google.android.exoplayer2.Player.COMMAND_SEEK_TO_PREVIOUS;
+import static com.google.android.exoplayer2.Player.EVENT_AVAILABLE_COMMANDS_CHANGED;
 import static com.google.android.exoplayer2.Player.EVENT_IS_PLAYING_CHANGED;
 import static com.google.android.exoplayer2.Player.EVENT_PLAYBACK_STATE_CHANGED;
 import static com.google.android.exoplayer2.Player.EVENT_PLAY_WHEN_READY_CHANGED;
@@ -1314,7 +1315,8 @@ public class PlayerControlView extends FrameLayout {
           EVENT_REPEAT_MODE_CHANGED,
           EVENT_SHUFFLE_MODE_ENABLED_CHANGED,
           EVENT_POSITION_DISCONTINUITY,
-          EVENT_TIMELINE_CHANGED)) {
+          EVENT_TIMELINE_CHANGED,
+          EVENT_AVAILABLE_COMMANDS_CHANGED)) {
         updateNavigation();
       }
       if (events.containsAny(EVENT_POSITION_DISCONTINUITY, EVENT_TIMELINE_CHANGED)) {
diff --git a/library/ui/src/main/java/com/google/android/exoplayer2/ui/StyledPlayerControlView.java b/library/ui/src/main/java/com/google/android/exoplayer2/ui/StyledPlayerControlView.java
index 830c85ec28..16552b91e8 100644
--- a/library/ui/src/main/java/com/google/android/exoplayer2/ui/StyledPlayerControlView.java
+++ b/library/ui/src/main/java/com/google/android/exoplayer2/ui/StyledPlayerControlView.java
@@ -20,6 +20,7 @@ import static com.google.android.exoplayer2.Player.COMMAND_SEEK_FORWARD;
 import static com.google.android.exoplayer2.Player.COMMAND_SEEK_IN_CURRENT_WINDOW;
 import static com.google.android.exoplayer2.Player.COMMAND_SEEK_TO_NEXT;
 import static com.google.android.exoplayer2.Player.COMMAND_SEEK_TO_PREVIOUS;
+import static com.google.android.exoplayer2.Player.EVENT_AVAILABLE_COMMANDS_CHANGED;
 import static com.google.android.exoplayer2.Player.EVENT_IS_PLAYING_CHANGED;
 import static com.google.android.exoplayer2.Player.EVENT_PLAYBACK_PARAMETERS_CHANGED;
 import static com.google.android.exoplayer2.Player.EVENT_PLAYBACK_STATE_CHANGED;
@@ -1770,7 +1771,8 @@ public class StyledPlayerControlView extends FrameLayout {
           EVENT_POSITION_DISCONTINUITY,
           EVENT_TIMELINE_CHANGED,
           EVENT_SEEK_BACK_INCREMENT_CHANGED,
-          EVENT_SEEK_FORWARD_INCREMENT_CHANGED)) {
+          EVENT_SEEK_FORWARD_INCREMENT_CHANGED,
+          EVENT_AVAILABLE_COMMANDS_CHANGED)) {
         updateNavigation();
       }
       if (events.containsAny(EVENT_POSITION_DISCONTINUITY, EVENT_TIMELINE_CHANGED)) {