Rename previous/next to seekToPrevious/NextWindow in Player

Also rename hasPrevious/Next to hasPrevious/NextWindow for consistency.

This makes it clearer what the difference between
seekToPrevious/NextWindow and seekToPrevious/Next is.

PiperOrigin-RevId: 384643373

RELEASENOTES.md

@@ -8,6 +8,9 @@
         `seekForward` methods to `Player`.
     *   Add `getMaxSeekToPreviousPosition`, `seekToPrevious` and `seekToNext`
         methods to `Player`.
+    *   Rename `Player` methods `hasPrevious`, `previous`, `hasNext` and `next`
+        to `hasPreviousWindow`, `seekToPreviousWindow`, `hasNextWindow` and
+        `seekToNextWindow`, respectively.
     *   Rename `Player` commands `COMMAND_SEEK_IN_CURRENT_MEDIA_ITEM`,
         `COMMAND_SEEK_TO_NEXT_MEDIA_ITEM`,
         `COMMAND_SEEK_TO_PREVIOUS_MEDIA_ITEM`, `COMMAND_SEEK_TO_MEDIA_ITEM` and

extensions/media2/src/main/java/com/google/android/exoplayer2/ext/media2/PlayerWrapper.java

@@ -480,11 +480,11 @@ import java.util.List;
   }
 
   public boolean canSkipToPreviousPlaylistItem() {
-    return player.hasPrevious();
+    return player.hasPreviousWindow();
   }
 
   public boolean canSkipToNextPlaylistItem() {
-    return player.hasNext();
+    return player.hasNextWindow();
   }
 
   public boolean hasError() {

library/common/src/main/java/com/google/android/exoplayer2/BasePlayer.java

@@ -131,13 +131,25 @@ public abstract class BasePlayer implements Player {
     seekToOffset(getSeekForwardIncrement());
   }
 
+  @Deprecated
   @Override
   public final boolean hasPrevious() {
-    return getPreviousWindowIndex() != C.INDEX_UNSET;
+    return hasPreviousWindow();
   }
 
+  @Override
+  public final boolean hasPreviousWindow() {
+    return getPreviousWindowIndex() != C.INDEX_UNSET;
+  }
+
+  @Deprecated
   @Override
   public final void previous() {
+    seekToPreviousWindow();
+  }
+
+  @Override
+  public final void seekToPreviousWindow() {
     int previousWindowIndex = getPreviousWindowIndex();
     if (previousWindowIndex != C.INDEX_UNSET) {
       seekToDefaultPosition(previousWindowIndex);
@@ -150,25 +162,37 @@ public abstract class BasePlayer implements Player {
     if (timeline.isEmpty() || isPlayingAd()) {
       return;
     }
-    boolean hasPrevious = hasPrevious();
+    boolean hasPreviousWindow = hasPreviousWindow();
     if (isCurrentWindowLive() && !isCurrentWindowSeekable()) {
-      if (hasPrevious) {
-        previous();
+      if (hasPreviousWindow) {
+        seekToPreviousWindow();
       }
-    } else if (hasPrevious && getCurrentPosition() <= getMaxSeekToPreviousPosition()) {
-      previous();
+    } else if (hasPreviousWindow && getCurrentPosition() <= getMaxSeekToPreviousPosition()) {
+      seekToPreviousWindow();
     } else {
       seekTo(/* positionMs= */ 0);
     }
   }
 
+  @Deprecated
   @Override
   public final boolean hasNext() {
-    return getNextWindowIndex() != C.INDEX_UNSET;
+    return hasNextWindow();
   }
 
+  @Override
+  public final boolean hasNextWindow() {
+    return getNextWindowIndex() != C.INDEX_UNSET;
+  }
+
+  @Deprecated
   @Override
   public final void next() {
+    seekToNextWindow();
+  }
+
+  @Override
+  public final void seekToNextWindow() {
     int nextWindowIndex = getNextWindowIndex();
     if (nextWindowIndex != C.INDEX_UNSET) {
       seekToDefaultPosition(nextWindowIndex);
@@ -181,8 +205,8 @@ public abstract class BasePlayer implements Player {
     if (timeline.isEmpty() || isPlayingAd()) {
       return;
     }
-    if (hasNext()) {
-      next();
+    if (hasNextWindow()) {
+      seekToNextWindow();
     } else if (isCurrentWindowLive() && isCurrentWindowDynamic()) {
       seekToDefaultPosition();
     }
@@ -295,17 +319,17 @@ public abstract class BasePlayer implements Player {
         .addAll(permanentAvailableCommands)
         .addIf(COMMAND_SEEK_TO_DEFAULT_POSITION, !isPlayingAd())
         .addIf(COMMAND_SEEK_IN_CURRENT_WINDOW, isCurrentWindowSeekable() && !isPlayingAd())
-        .addIf(COMMAND_SEEK_TO_PREVIOUS_WINDOW, hasPrevious() && !isPlayingAd())
+        .addIf(COMMAND_SEEK_TO_PREVIOUS_WINDOW, hasPreviousWindow() && !isPlayingAd())
         .addIf(
             COMMAND_SEEK_TO_PREVIOUS,
             !getCurrentTimeline().isEmpty()
-                && (hasPrevious() || !isCurrentWindowLive() || isCurrentWindowSeekable())
+                && (hasPreviousWindow() || !isCurrentWindowLive() || isCurrentWindowSeekable())
                 && !isPlayingAd())
-        .addIf(COMMAND_SEEK_TO_NEXT_WINDOW, hasNext() && !isPlayingAd())
+        .addIf(COMMAND_SEEK_TO_NEXT_WINDOW, hasNextWindow() && !isPlayingAd())
         .addIf(
             COMMAND_SEEK_TO_NEXT,
             !getCurrentTimeline().isEmpty()
-                && (hasNext() || (isCurrentWindowLive() && isCurrentWindowDynamic()))
+                && (hasNextWindow() || (isCurrentWindowLive() && isCurrentWindowDynamic()))
                 && !isPlayingAd())
         .addIf(COMMAND_SEEK_TO_WINDOW, !isPlayingAd())
         .addIf(COMMAND_SEEK_BACK, isCurrentWindowSeekable() && !isPlayingAd())

library/common/src/main/java/com/google/android/exoplayer2/ControlDispatcher.java

@@ -55,7 +55,7 @@ public interface ControlDispatcher {
   boolean dispatchSeekTo(Player player, int windowIndex, long positionMs);
 
   /**
-   * Dispatches a {@link Player#previous()} operation.
+   * Dispatches a {@link Player#seekToPreviousWindow()} operation.
    *
    * @param player The {@link Player} to which the operation should be dispatched.
    * @return True if the operation was dispatched. False if suppressed.
@@ -63,7 +63,7 @@ public interface ControlDispatcher {
   boolean dispatchPrevious(Player player);
 
   /**
-   * Dispatches a {@link Player#next()} operation.
+   * Dispatches a {@link Player#seekToNextWindow()} operation.
    *
    * @param player The {@link Player} to which the operation should be dispatched.
    * @return True if the operation was dispatched. False if suppressed.

library/common/src/main/java/com/google/android/exoplayer2/DefaultControlDispatcher.java

@@ -75,10 +75,10 @@ public class DefaultControlDispatcher implements ControlDispatcher {
     }
     boolean isUnseekableLiveStream =
         player.isCurrentWindowLive() && !player.isCurrentWindowSeekable();
-    if (player.hasPrevious()
+    if (player.hasPreviousWindow()
         && (player.getCurrentPosition() <= MAX_POSITION_FOR_SEEK_TO_PREVIOUS
             || isUnseekableLiveStream)) {
-      player.previous();
+      player.seekToPreviousWindow();
     } else if (!isUnseekableLiveStream) {
       player.seekTo(/* positionMs= */ 0);
     }
@@ -91,8 +91,8 @@ public class DefaultControlDispatcher implements ControlDispatcher {
     if (timeline.isEmpty() || player.isPlayingAd()) {
       return true;
     }
-    if (player.hasNext()) {
-      player.next();
+    if (player.hasNextWindow()) {
+      player.seekToNextWindow();
     } else if (player.isCurrentWindowLive() && player.isCurrentWindowDynamic()) {
       player.seekToDefaultPosition();
     }

library/common/src/main/java/com/google/android/exoplayer2/ForwardingPlayer.java

@@ -267,16 +267,28 @@ public class ForwardingPlayer implements Player {
     player.seekForward();
   }
 
+  @Deprecated
   @Override
   public boolean hasPrevious() {
     return player.hasPrevious();
   }
 
+  @Override
+  public boolean hasPreviousWindow() {
+    return player.hasPreviousWindow();
+  }
+
+  @Deprecated
   @Override
   public void previous() {
     player.previous();
   }
 
+  @Override
+  public void seekToPreviousWindow() {
+    player.seekToPreviousWindow();
+  }
+
   @Override
   public void seekToPrevious() {
     player.seekToPrevious();
@@ -287,16 +299,28 @@ public class ForwardingPlayer implements Player {
     return player.getMaxSeekToPreviousPosition();
   }
 
+  @Deprecated
   @Override
   public boolean hasNext() {
     return player.hasNext();
   }
 
+  @Override
+  public boolean hasNextWindow() {
+    return player.hasNextWindow();
+  }
+
+  @Deprecated
   @Override
   public void next() {
     player.next();
   }
 
+  @Override
+  public void seekToNextWindow() {
+    player.seekToNextWindow();
+  }
+
   @Override
   public void seekToNext() {
     player.seekToNext();

library/common/src/main/java/com/google/android/exoplayer2/Player.java

@@ -1542,9 +1542,9 @@ public interface Player {
    *
    * <p>This method does not execute the command.
    *
-   * <p>Executing a command that is not available (for example, calling {@link #next()} if {@link
-   * #COMMAND_SEEK_TO_NEXT_WINDOW} is unavailable) will neither throw an exception nor generate a
-   * {@link #getPlayerError()} player error}.
+   * <p>Executing a command that is not available (for example, calling {@link #seekToNextWindow()}
+   * if {@link #COMMAND_SEEK_TO_NEXT_WINDOW} is unavailable) will neither throw an exception nor
+   * generate a {@link #getPlayerError()} player error}.
    *
    * <p>{@link #COMMAND_SEEK_TO_PREVIOUS_WINDOW} and {@link #COMMAND_SEEK_TO_NEXT_WINDOW} are
    * unavailable if there is no such {@link MediaItem}.
@@ -1562,9 +1562,9 @@ public interface Player {
    * Listener#onAvailableCommandsChanged(Commands)} to get an update when the available commands
    * change.
    *
-   * <p>Executing a command that is not available (for example, calling {@link #next()} if {@link
-   * #COMMAND_SEEK_TO_NEXT_WINDOW} is unavailable) will neither throw an exception nor generate a
-   * {@link #getPlayerError()} player error}.
+   * <p>Executing a command that is not available (for example, calling {@link #seekToNextWindow()}
+   * if {@link #COMMAND_SEEK_TO_NEXT_WINDOW} is unavailable) will neither throw an exception nor
+   * generate a {@link #getPlayerError()} player error}.
    *
    * <p>{@link #COMMAND_SEEK_TO_PREVIOUS_WINDOW} and {@link #COMMAND_SEEK_TO_NEXT_WINDOW} are
    * unavailable if there is no such {@link MediaItem}.
@@ -1750,6 +1750,10 @@ public interface Player {
   /** Seeks forward in the current window by {@link #getSeekForwardIncrement()} milliseconds. */
   void seekForward();
 
+  /** @deprecated Use {@link #hasPreviousWindow()} instead. */
+  @Deprecated
+  boolean hasPrevious();
+
   /**
    * Returns whether a previous window exists, which may depend on the current repeat mode and
    * whether shuffle mode is enabled.
@@ -1758,18 +1762,22 @@ public interface Player {
    * the current repeat mode is {@link #REPEAT_MODE_OFF}. See {@link #REPEAT_MODE_ONE} for more
    * details.
    */
-  boolean hasPrevious();
+  boolean hasPreviousWindow();
+
+  /** @deprecated Use {@link #seekToPreviousWindow()} instead. */
+  @Deprecated
+  void previous();
 
   /**
    * Seeks to the default position of the previous window, which may depend on the current repeat
-   * mode and whether shuffle mode is enabled. Does nothing if {@link #hasPrevious()} is {@code
-   * false}.
+   * mode and whether shuffle mode is enabled. Does nothing if {@link #hasPreviousWindow()} is
+   * {@code false}.
    *
    * <p>Note: When the repeat mode is {@link #REPEAT_MODE_ONE}, this method behaves the same as when
    * the current repeat mode is {@link #REPEAT_MODE_OFF}. See {@link #REPEAT_MODE_ONE} for more
    * details.
    */
-  void previous();
+  void seekToPreviousWindow();
 
   /**
    * Returns the maximum position for which {@link #seekToPrevious()} seeks to the previous window,
@@ -1788,11 +1796,11 @@ public interface Player {
    *   <li>Otherwise, if the current window is {@link #isCurrentWindowLive() live} and {@link
    *       #isCurrentWindowSeekable() unseekable}, then:
    *       <ul>
-   *         <li>If {@link #hasPrevious() a previous window exists}, seeks to the default position
-   *             of the previous window.
+   *         <li>If {@link #hasPreviousWindow() a previous window exists}, seeks to the default
+   *             position of the previous window.
    *         <li>Otherwise, does nothing.
    *       </ul>
-   *   <li>Otherwise, if {@link #hasPrevious() a previous window exists} and the {@link
+   *   <li>Otherwise, if {@link #hasPreviousWindow() a previous window exists} and the {@link
    *       #getCurrentPosition() current position} is less than {@link
    *       #getMaxSeekToPreviousPosition()}, seeks to the default position of the previous window.
    *   <li>Otherwise, seeks to 0 in the current window.
@@ -1800,6 +1808,10 @@ public interface Player {
    */
   void seekToPrevious();
 
+  /** @deprecated Use {@link #hasNextWindow()} instead. */
+  @Deprecated
+  boolean hasNext();
+
   /**
    * Returns whether a next window exists, which may depend on the current repeat mode and whether
    * shuffle mode is enabled.
@@ -1808,25 +1820,29 @@ public interface Player {
    * the current repeat mode is {@link #REPEAT_MODE_OFF}. See {@link #REPEAT_MODE_ONE} for more
    * details.
    */
-  boolean hasNext();
+  boolean hasNextWindow();
+
+  /** @deprecated Use {@link #seekToNextWindow()} instead. */
+  @Deprecated
+  void next();
 
   /**
    * Seeks to the default position of the next window, which may depend on the current repeat mode
-   * and whether shuffle mode is enabled. Does nothing if {@link #hasNext()} is {@code false}.
+   * and whether shuffle mode is enabled. Does nothing if {@link #hasNextWindow()} is {@code false}.
    *
    * <p>Note: When the repeat mode is {@link #REPEAT_MODE_ONE}, this method behaves the same as when
    * the current repeat mode is {@link #REPEAT_MODE_OFF}. See {@link #REPEAT_MODE_ONE} for more
    * details.
    */
-  void next();
+  void seekToNextWindow();
 
   /**
    * Seeks to a later position in the current or next window (if available). More precisely:
    *
    * <ul>
    *   <li>If the timeline is empty or seeking is not possible, does nothing.
-   *   <li>Otherwise, if {@link #hasNext() a next window exists}, seeks to the default position of
-   *       the next window.
+   *   <li>Otherwise, if {@link #hasNextWindow() a next window exists}, seeks to the default
+   *       position of the next window.
    *   <li>Otherwise, if the current window is {@link #isCurrentWindowLive() live} and has not
    *       ended, seeks to the live edge of the current window.
    *   <li>Otherwise, does nothing.
@@ -1967,9 +1983,9 @@ public interface Player {
   int getCurrentWindowIndex();
 
   /**
-   * Returns the index of the window that will be played if {@link #next()} is called, which may
-   * depend on the current repeat mode and whether shuffle mode is enabled. Returns {@link
-   * C#INDEX_UNSET} if {@link #hasNext()} is {@code false}.
+   * Returns the index of the window that will be played if {@link #seekToNextWindow()} is called,
+   * which may depend on the current repeat mode and whether shuffle mode is enabled. Returns {@link
+   * C#INDEX_UNSET} if {@link #hasNextWindow()} is {@code false}.
    *
    * <p>Note: When the repeat mode is {@link #REPEAT_MODE_ONE}, this method behaves the same as when
    * the current repeat mode is {@link #REPEAT_MODE_OFF}. See {@link #REPEAT_MODE_ONE} for more
@@ -1978,9 +1994,9 @@ public interface Player {
   int getNextWindowIndex();
 
   /**
-   * Returns the index of the window that will be played if {@link #previous()} is called, which may
-   * depend on the current repeat mode and whether shuffle mode is enabled. Returns {@link
-   * C#INDEX_UNSET} if {@link #hasPrevious()} is {@code false}.
+   * Returns the index of the window that will be played if {@link #seekToPreviousWindow()} is
+   * called, which may depend on the current repeat mode and whether shuffle mode is enabled.
+   * Returns {@link C#INDEX_UNSET} if {@link #hasPreviousWindow()} is {@code false}.
    *
    * <p>Note: When the repeat mode is {@link #REPEAT_MODE_ONE}, this method behaves the same as when
    * the current repeat mode is {@link #REPEAT_MODE_OFF}. See {@link #REPEAT_MODE_ONE} for more

library/core/src/test/java/com/google/android/exoplayer2/ExoPlayerTest.java

@@ -9341,7 +9341,7 @@ public final class ExoPlayerTest {
     TestPlayerRunHelper.runUntilPlaybackState(player, Player.STATE_READY);
 
     // Seek to default position in second stream.
-    player.next();
+    player.seekToNextWindow();
     // Play until close to the end of the available live window.
     TestPlayerRunHelper.playUntilPosition(player, /* windowIndex= */ 1, /* positionMs= */ 999_000);
     long liveOffsetAtEnd = player.getCurrentLiveOffset();