Fix dispatch of play when in IDLE or ENDED

PiperOrigin-RevId: 329722282

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

@@ -38,6 +38,7 @@ import com.google.android.exoplayer2.DefaultControlDispatcher;
 import com.google.android.exoplayer2.ExoPlayerLibraryInfo;
 import com.google.android.exoplayer2.PlaybackPreparer;
 import com.google.android.exoplayer2.Player;
+import com.google.android.exoplayer2.Player.State;
 import com.google.android.exoplayer2.Timeline;
 import com.google.android.exoplayer2.util.Assertions;
 import com.google.android.exoplayer2.util.RepeatModeUtil;
@@ -1211,13 +1212,13 @@ public class PlayerControlView extends FrameLayout {
         switch (keyCode) {
           case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
           case KeyEvent.KEYCODE_HEADSETHOOK:
-            controlDispatcher.dispatchSetPlayWhenReady(player, !player.getPlayWhenReady());
+            dispatchPlayPause(player);
             break;
           case KeyEvent.KEYCODE_MEDIA_PLAY:
-            controlDispatcher.dispatchSetPlayWhenReady(player, true);
+            dispatchPlay(player);
             break;
           case KeyEvent.KEYCODE_MEDIA_PAUSE:
-            controlDispatcher.dispatchSetPlayWhenReady(player, false);
+            dispatchPause(player);
             break;
           case KeyEvent.KEYCODE_MEDIA_NEXT:
             controlDispatcher.dispatchNext(player);
@@ -1240,6 +1241,31 @@ public class PlayerControlView extends FrameLayout {
         && player.getPlayWhenReady();
   }
 
+  private void dispatchPlayPause(Player player) {
+    @State int state = player.getPlaybackState();
+    if (state == Player.STATE_IDLE || state == Player.STATE_ENDED || !player.getPlayWhenReady()) {
+      dispatchPlay(player);
+    } else {
+      dispatchPause(player);
+    }
+  }
+
+  private void dispatchPlay(Player player) {
+    @State int state = player.getPlaybackState();
+    if (state == Player.STATE_IDLE) {
+      if (playbackPreparer != null) {
+        playbackPreparer.preparePlayback();
+      }
+    } else if (state == Player.STATE_ENDED) {
+      seekTo(player, player.getCurrentWindowIndex(), C.TIME_UNSET);
+    }
+    controlDispatcher.dispatchSetPlayWhenReady(player, /* playWhenReady= */ true);
+  }
+
+  private void dispatchPause(Player player) {
+    controlDispatcher.dispatchSetPlayWhenReady(player, /* playWhenReady= */ false);
+  }
+
   @SuppressLint("InlinedApi")
   private static boolean isHandledMediaKey(int keyCode) {
     return keyCode == KeyEvent.KEYCODE_MEDIA_FAST_FORWARD
@@ -1355,16 +1381,9 @@ public class PlayerControlView extends FrameLayout {
       } else if (rewindButton == view) {
         controlDispatcher.dispatchRewind(player);
       } else if (playButton == view) {
-        if (player.getPlaybackState() == Player.STATE_IDLE) {
-          if (playbackPreparer != null) {
-            playbackPreparer.preparePlayback();
-          }
-        } else if (player.getPlaybackState() == Player.STATE_ENDED) {
-          seekTo(player, player.getCurrentWindowIndex(), C.TIME_UNSET);
-        }
-        controlDispatcher.dispatchSetPlayWhenReady(player, true);
+        dispatchPlay(player);
       } else if (pauseButton == view) {
-        controlDispatcher.dispatchSetPlayWhenReady(player, false);
+        dispatchPause(player);
       } else if (repeatToggleButton == view) {
         controlDispatcher.dispatchSetRepeatMode(
             player, RepeatModeUtil.getNextRepeatMode(player.getRepeatMode(), repeatToggleModes));

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

@@ -45,6 +45,7 @@ import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.PlaybackParameters;
 import com.google.android.exoplayer2.PlaybackPreparer;
 import com.google.android.exoplayer2.Player;
+import com.google.android.exoplayer2.Player.State;
 import com.google.android.exoplayer2.RendererCapabilities;
 import com.google.android.exoplayer2.Timeline;
 import com.google.android.exoplayer2.source.TrackGroup;
@@ -1649,10 +1650,10 @@ public class StyledPlayerControlView extends FrameLayout {
             dispatchPlayPause(player);
             break;
           case KeyEvent.KEYCODE_MEDIA_PLAY:
-            controlDispatcher.dispatchSetPlayWhenReady(player, true);
+            dispatchPlay(player);
             break;
           case KeyEvent.KEYCODE_MEDIA_PAUSE:
-            controlDispatcher.dispatchSetPlayWhenReady(player, false);
+            dispatchPause(player);
             break;
           case KeyEvent.KEYCODE_MEDIA_NEXT:
             controlDispatcher.dispatchNext(player);
@@ -1675,6 +1676,31 @@ public class StyledPlayerControlView extends FrameLayout {
         && player.getPlayWhenReady();
   }
 
+  private void dispatchPlayPause(Player player) {
+    @State int state = player.getPlaybackState();
+    if (state == Player.STATE_IDLE || state == Player.STATE_ENDED || !player.getPlayWhenReady()) {
+      dispatchPlay(player);
+    } else {
+      dispatchPause(player);
+    }
+  }
+
+  private void dispatchPlay(Player player) {
+    @State int state = player.getPlaybackState();
+    if (state == Player.STATE_IDLE) {
+      if (playbackPreparer != null) {
+        playbackPreparer.preparePlayback();
+      }
+    } else if (state == Player.STATE_ENDED) {
+      seekTo(player, player.getCurrentWindowIndex(), C.TIME_UNSET);
+    }
+    controlDispatcher.dispatchSetPlayWhenReady(player, /* playWhenReady= */ true);
+  }
+
+  private void dispatchPause(Player player) {
+    controlDispatcher.dispatchSetPlayWhenReady(player, /* playWhenReady= */ false);
+  }
+
   @SuppressLint("InlinedApi")
   private static boolean isHandledMediaKey(int keyCode) {
     return keyCode == KeyEvent.KEYCODE_MEDIA_FAST_FORWARD
@@ -1831,20 +1857,6 @@ public class StyledPlayerControlView extends FrameLayout {
     }
   }
 
-  private void dispatchPlayPause(Player player) {
-    if (player.getPlaybackState() == Player.STATE_IDLE) {
-      if (playbackPreparer != null) {
-        playbackPreparer.preparePlayback();
-      }
-      controlDispatcher.dispatchSetPlayWhenReady(player, true);
-    } else if (player.getPlaybackState() == Player.STATE_ENDED) {
-      seekTo(player, player.getCurrentWindowIndex(), C.TIME_UNSET);
-      controlDispatcher.dispatchSetPlayWhenReady(player, true);
-    } else {
-      controlDispatcher.dispatchSetPlayWhenReady(player, !player.getPlayWhenReady());
-    }
-  }
-
   private class SettingsAdapter extends RecyclerView.Adapter<SettingViewHolder> {
     private final String[] mainTexts;
     private final String[] subTexts;