Remove playWhenReadyCommitted.

This was always a bit of a hack; for Play Movies. It may well
no longer be necessary, and if not I'd like to think of a nicer
or more general way of doing it. We can always bring it back
if needed.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=130373433

demo/src/main/java/com/google/android/exoplayer2/demo/EventLogger.java

@@ -85,11 +85,6 @@ import java.util.Locale;
     Log.d(TAG, "discontinuity [" + periodIndex + ", " + positionMs + "]");
   }
 
-  @Override
-  public void onPlayWhenReadyCommitted() {
-    // Do nothing.
-  }
-
   @Override
   public void onSourceInfoRefreshed(Timeline timeline, Object manifest) {
     boolean isFinal = timeline.isFinal();

demo/src/main/java/com/google/android/exoplayer2/demo/PlayerActivity.java

@@ -396,11 +396,6 @@ public class PlayerActivity extends Activity implements OnKeyListener, OnTouchLi
     updateButtonVisibilities();
   }
 
-  @Override
-  public void onPlayWhenReadyCommitted() {
-    // Do nothing.
-  }
-
   @Override
   public void onPositionDiscontinuity(int periodIndex, long positionMs) {
     if (mediaController.isShowing()) {

extensions/flac/src/androidTest/java/com/google/android/exoplayer2/ext/flac/FlacPlaybackTest.java

@@ -90,11 +90,6 @@ public class FlacPlaybackTest extends InstrumentationTestCase {
       // Do nothing.
     }
 
-    @Override
-    public void onPlayWhenReadyCommitted () {
-      // Do nothing.
-    }
-
     @Override
     public void onPositionDiscontinuity(int periodIndex, long positionMs) {
       // Do nothing.

extensions/opus/src/androidTest/java/com/google/android/exoplayer2/ext/opus/OpusPlaybackTest.java

@@ -90,11 +90,6 @@ public class OpusPlaybackTest extends InstrumentationTestCase {
       // Do nothing.
     }
 
-    @Override
-    public void onPlayWhenReadyCommitted () {
-      // Do nothing.
-    }
-
     @Override
     public void onPositionDiscontinuity(int periodIndex, long positionMs) {
       // Do nothing.

extensions/vp9/src/androidTest/java/com/google/android/exoplayer2/ext/vp9/VpxPlaybackTest.java

@@ -109,11 +109,6 @@ public class VpxPlaybackTest extends InstrumentationTestCase {
       // Do nothing.
     }
 
-    @Override
-    public void onPlayWhenReadyCommitted () {
-      // Do nothing.
-    }
-
     @Override
     public void onPositionDiscontinuity(int periodIndex, long positionMs) {
       // Do nothing.

library/src/main/java/com/google/android/exoplayer2/ExoPlayer.java

@@ -117,17 +117,6 @@ public interface ExoPlayer {
      */
     void onPlayerStateChanged(boolean playWhenReady, int playbackState);
 
-    /**
-     * Called when the current value of {@link #getPlayWhenReady()} has been reflected by
-     * the internal playback thread.
-     * <p>
-     * An invocation of this method will shortly follow any call to
-     * {@link #setPlayWhenReady(boolean)} that changes the state. If multiple calls are made in
-     * rapid succession, then this method will be called only once, after the final state has been
-     * reflected.
-     */
-    void onPlayWhenReadyCommitted();
-
     // TODO[playlists]: Should source-initiated resets also cause this to be called?
     /**
      * Called when the player's position changes due to a discontinuity (seeking or playback
@@ -277,14 +266,6 @@ public interface ExoPlayer {
    */
   boolean getPlayWhenReady();
 
-  /**
-   * Whether the current value of {@link #getPlayWhenReady()} has been reflected by the internal
-   * playback thread.
-   *
-   * @return Whether the current value has been reflected.
-   */
-  boolean isPlayWhenReadyCommitted();
-
   /**
    * Whether the player is currently loading the source.
    *

library/src/main/java/com/google/android/exoplayer2/ExoPlayerImpl.java

@@ -40,7 +40,6 @@ import java.util.concurrent.CopyOnWriteArraySet;
 
   private boolean playWhenReady;
   private int playbackState;
-  private int pendingPlayWhenReadyAcks;
   private int pendingSeekAcks;
   private boolean isLoading;
   private Timeline timeline;
@@ -110,7 +109,6 @@ import java.util.concurrent.CopyOnWriteArraySet;
   public void setPlayWhenReady(boolean playWhenReady) {
     if (this.playWhenReady != playWhenReady) {
       this.playWhenReady = playWhenReady;
-      pendingPlayWhenReadyAcks++;
       internalPlayer.setPlayWhenReady(playWhenReady);
       for (EventListener listener : listeners) {
         listener.onPlayerStateChanged(playWhenReady, playbackState);
@@ -123,11 +121,6 @@ import java.util.concurrent.CopyOnWriteArraySet;
     return playWhenReady;
   }
 
-  @Override
-  public boolean isPlayWhenReadyCommitted() {
-    return pendingPlayWhenReadyAcks == 0;
-  }
-
   @Override
   public boolean isLoading() {
     return isLoading;
@@ -242,15 +235,6 @@ import java.util.concurrent.CopyOnWriteArraySet;
         }
         break;
       }
-      case ExoPlayerImplInternal.MSG_SET_PLAY_WHEN_READY_ACK: {
-        pendingPlayWhenReadyAcks--;
-        if (pendingPlayWhenReadyAcks == 0) {
-          for (EventListener listener : listeners) {
-            listener.onPlayWhenReadyCommitted();
-          }
-        }
-        break;
-      }
       case ExoPlayerImplInternal.MSG_SEEK_ACK: {
         if (--pendingSeekAcks == 0) {
           long positionMs = playbackInfo.startPositionUs == C.UNSET_TIME_US ? 0

library/src/main/java/com/google/android/exoplayer2/ExoPlayerImplInternal.java

@@ -66,11 +66,10 @@ import java.io.IOException;
   // External messages
   public static final int MSG_STATE_CHANGED = 1;
   public static final int MSG_LOADING_CHANGED = 2;
-  public static final int MSG_SET_PLAY_WHEN_READY_ACK = 3;
+  public static final int MSG_SEEK_ACK = 3;
-  public static final int MSG_SEEK_ACK = 4;
+  public static final int MSG_POSITION_DISCONTINUITY = 4;
-  public static final int MSG_POSITION_DISCONTINUITY = 5;
+  public static final int MSG_SOURCE_INFO_REFRESHED = 5;
-  public static final int MSG_SOURCE_INFO_REFRESHED = 6;
+  public static final int MSG_ERROR = 6;
-  public static final int MSG_ERROR = 7;
 
   // Internal messages
   private static final int MSG_SET_MEDIA_SOURCE = 0;
@@ -348,7 +347,6 @@ import java.io.IOException;
   }
 
   private void setPlayWhenReadyInternal(boolean playWhenReady) throws ExoPlaybackException {
-    try {
     rebuffering = false;
     this.playWhenReady = playWhenReady;
     if (!playWhenReady) {
@@ -362,9 +360,6 @@ import java.io.IOException;
         handler.sendEmptyMessage(MSG_DO_SOME_WORK);
       }
     }
-    } finally {
-      eventHandler.sendEmptyMessage(MSG_SET_PLAY_WHEN_READY_ACK);
-    }
   }
 
   private void startRenderers() throws ExoPlaybackException {

library/src/main/java/com/google/android/exoplayer2/SimpleExoPlayer.java

@@ -338,11 +338,6 @@ public final class SimpleExoPlayer implements ExoPlayer {
     return player.getPlayWhenReady();
   }
 
-  @Override
-  public boolean isPlayWhenReadyCommitted() {
-    return player.isPlayWhenReadyCommitted();
-  }
-
   @Override
   public boolean isLoading() {
     return player.isLoading();

library/src/main/java/com/google/android/exoplayer2/ui/DebugTextViewHelper.java

@@ -151,11 +151,6 @@ public final class DebugTextViewHelper implements Runnable, ExoPlayer.EventListe
     updateTextView();
   }
 
-  @Override
-  public void onPlayWhenReadyCommitted() {
-    // Do nothing.
-  }
-
   @Override
   public void onPositionDiscontinuity(int periodIndex, long positionMs) {
     updateTextView();

playbacktests/src/main/java/com/google/android/exoplayer2/playbacktests/util/ExoHostedTest.java

@@ -206,11 +206,6 @@ public abstract class ExoHostedTest implements HostedTest, ExoPlayer.EventListen
     onPlayerErrorInternal(error);
   }
 
-  @Override
-  public final void onPlayWhenReadyCommitted() {
-    // Do nothing.
-  }
-
   @Override
   public final void onPositionDiscontinuity(int periodIndex, long positionMs) {
     // Do nothing.