Add option to hide Prev/Rwnd/Ffwd/Next buttons

Issue: #7410
PiperOrigin-RevId: 315480798

RELEASENOTES.md

@@ -184,6 +184,9 @@
 *   UI
     *   Remove deperecated `exo_simple_player_view.xml` and
         `exo_playback_control_view.xml` from resource.
+    *   Add setter methods to `PlayerView` and `PlayerControlView` to set
+        whether the rewind, fast forward, previous and next buttons are shown
+        ([#7410](https://github.com/google/ExoPlayer/issues/7410)).
     *   Move logic of prev, next, fast forward and rewind to ControlDispatcher
         ([#6926](https://github.com/google/ExoPlayer/issues/6926)).
     *   Update `TrackSelectionDialogBuilder` to use AndroidX Compat Dialog
@@ -211,10 +214,10 @@
     ([#7306](https://github.com/google/ExoPlayer/issues/7306)).
 *   Fix issue in `AudioTrackPositionTracker` that could cause negative positions
     to be reported at the start of playback and immediately after seeking
-    ([#7456](https://github.com/google/ExoPlayer/issues/7456).
+    ([#7456](https://github.com/google/ExoPlayer/issues/7456)).
 *   Fix further cases where downloads would sometimes not resume after their
     network requirements are met
-    ([#7453](https://github.com/google/ExoPlayer/issues/7453).
+    ([#7453](https://github.com/google/ExoPlayer/issues/7453)).
 *   DASH:
     *   Merge trick play adaptation sets (i.e., adaptation sets marked with
         `http://dashif.org/guidelines/trickmode`) into the same `TrackGroup` as
@@ -295,11 +298,12 @@
         to the `DefaultAudioSink` constructor
         ([#7134](https://github.com/google/ExoPlayer/issues/7134)).
     *   Workaround issue that could cause slower than realtime playback of AAC
-        on Android 10 ([#6671](https://github.com/google/ExoPlayer/issues/6671).
+        on Android 10
+        ([#6671](https://github.com/google/ExoPlayer/issues/6671)).
     *   Fix case where another app spuriously holding transient audio focus
         could prevent ExoPlayer from acquiring audio focus for an indefinite
         period of time
-        ([#7182](https://github.com/google/ExoPlayer/issues/7182).
+        ([#7182](https://github.com/google/ExoPlayer/issues/7182)).
     *   Fix case where the player volume could be permanently ducked if audio
         focus was released whilst ducking.
     *   Fix playback of WAV files with trailing non-media bytes
@@ -1248,7 +1252,7 @@
     ([#4492](https://github.com/google/ExoPlayer/issues/4492) and
     [#4634](https://github.com/google/ExoPlayer/issues/4634)).
 *   Fix issue where removing looping media from a playlist throws an exception
-    ([#4871](https://github.com/google/ExoPlayer/issues/4871).
+    ([#4871](https://github.com/google/ExoPlayer/issues/4871)).
 *   Fix issue where the preferred audio or text track would not be selected if
     mapped onto a secondary renderer of the corresponding type
     ([#4711](http://github.com/google/ExoPlayer/issues/4711)).
@@ -1679,7 +1683,7 @@
     resources when the playback thread has quit by the time the loading task has
     completed.
 *   ID3: Better handle malformed ID3 data
-    ([#3792](https://github.com/google/ExoPlayer/issues/3792).
+    ([#3792](https://github.com/google/ExoPlayer/issues/3792)).
 *   Support 14-bit mode and little endianness in DTS PES packets
     ([#3340](https://github.com/google/ExoPlayer/issues/3340)).
 *   Demo app: Add ability to download not DRM protected content.

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

@@ -66,6 +66,26 @@
  *         <li>Corresponding method: {@link #setShowTimeoutMs(int)}
  *         <li>Default: {@link #DEFAULT_SHOW_TIMEOUT_MS}
  *       </ul>
+ *   <li><b>{@code show_rewind_button}</b> - Whether the rewind button is shown.
+ *       <ul>
+ *         <li>Corresponding method: {@link #setShowRewindButton(boolean)}
+ *         <li>Default: true
+ *       </ul>
+ *   <li><b>{@code show_fastforward_button}</b> - Whether the fast forward button is shown.
+ *       <ul>
+ *         <li>Corresponding method: {@link #setShowFastForwardButton(boolean)}
+ *         <li>Default: true
+ *       </ul>
+ *   <li><b>{@code show_previous_button}</b> - Whether the previous button is shown.
+ *       <ul>
+ *         <li>Corresponding method: {@link #setShowPreviousButton(boolean)}
+ *         <li>Default: true
+ *       </ul>
+ *   <li><b>{@code show_next_button}</b> - Whether the next button is shown.
+ *       <ul>
+ *         <li>Corresponding method: {@link #setShowNextButton(boolean)}
+ *         <li>Default: true
+ *       </ul>
  *   <li><b>{@code rewind_increment}</b> - The duration of the rewind applied when the user taps the
  *       rewind button, in milliseconds. Use zero to disable the rewind button.
  *       <ul>
@@ -305,6 +325,10 @@ public interface ProgressUpdateListener {
   private int showTimeoutMs;
   private int timeBarMinUpdateIntervalMs;
   private @RepeatModeUtil.RepeatToggleModes int repeatToggleModes;
+  private boolean showRewindButton;
+  private boolean showFastForwardButton;
+  private boolean showPreviousButton;
+  private boolean showNextButton;
   private boolean showShuffleButton;
   private long hideAtMs;
   private long[] adGroupTimesMs;
@@ -341,6 +365,10 @@ public PlayerControlView(
     repeatToggleModes = DEFAULT_REPEAT_TOGGLE_MODES;
     timeBarMinUpdateIntervalMs = DEFAULT_TIME_BAR_MIN_UPDATE_INTERVAL_MS;
     hideAtMs = C.TIME_UNSET;
+    showRewindButton = true;
+    showFastForwardButton = true;
+    showPreviousButton = true;
+    showNextButton = true;
     showShuffleButton = false;
     int rewindMs = DefaultControlDispatcher.DEFAULT_REWIND_MS;
     int fastForwardMs = DefaultControlDispatcher.DEFAULT_FAST_FORWARD_MS;
@@ -357,6 +385,15 @@ public PlayerControlView(
         controllerLayoutId =
             a.getResourceId(R.styleable.PlayerControlView_controller_layout_id, controllerLayoutId);
         repeatToggleModes = getRepeatToggleModes(a, repeatToggleModes);
+        showRewindButton =
+            a.getBoolean(R.styleable.PlayerControlView_show_rewind_button, showRewindButton);
+        showFastForwardButton =
+            a.getBoolean(
+                R.styleable.PlayerControlView_show_fastforward_button, showFastForwardButton);
+        showPreviousButton =
+            a.getBoolean(R.styleable.PlayerControlView_show_previous_button, showPreviousButton);
+        showNextButton =
+            a.getBoolean(R.styleable.PlayerControlView_show_next_button, showNextButton);
         showShuffleButton =
             a.getBoolean(R.styleable.PlayerControlView_show_shuffle_button, showShuffleButton);
         setTimeBarMinUpdateInterval(
@@ -592,6 +629,46 @@ public void setControlDispatcher(ControlDispatcher controlDispatcher) {
     }
   }
 
+  /**
+   * Sets whether the rewind button is shown.
+   *
+   * @param showRewindButton Whether the rewind button is shown.
+   */
+  public void setShowRewindButton(boolean showRewindButton) {
+    this.showRewindButton = showRewindButton;
+    updateNavigation();
+  }
+
+  /**
+   * Sets whether the fast forward button is shown.
+   *
+   * @param showFastForwardButton Whether the fast forward button is shown.
+   */
+  public void setShowFastForwardButton(boolean showFastForwardButton) {
+    this.showFastForwardButton = showFastForwardButton;
+    updateNavigation();
+  }
+
+  /**
+   * Sets whether the previous button is shown.
+   *
+   * @param showPreviousButton Whether the previous button is shown.
+   */
+  public void setShowPreviousButton(boolean showPreviousButton) {
+    this.showPreviousButton = showPreviousButton;
+    updateNavigation();
+  }
+
+  /**
+   * Sets whether the next button is shown.
+   *
+   * @param showNextButton Whether the next button is shown.
+   */
+  public void setShowNextButton(boolean showNextButton) {
+    this.showNextButton = showNextButton;
+    updateNavigation();
+  }
+
   /**
    * @deprecated Use {@link #setControlDispatcher(ControlDispatcher)} with {@link
    *     DefaultControlDispatcher#DefaultControlDispatcher(long, long)}.
@@ -832,10 +909,10 @@ private void updateNavigation() {
       }
     }
 
-    setButtonEnabled(enablePrevious, previousButton);
-    setButtonEnabled(enableRewind, rewindButton);
-    setButtonEnabled(enableFastForward, fastForwardButton);
-    setButtonEnabled(enableNext, nextButton);
+    updateButton(showPreviousButton, enablePrevious, previousButton);
+    updateButton(showRewindButton, enableRewind, rewindButton);
+    updateButton(showFastForwardButton, enableFastForward, fastForwardButton);
+    updateButton(showNextButton, enableNext, nextButton);
     if (timeBar != null) {
       timeBar.setEnabled(enableSeeking);
     }
@@ -847,19 +924,19 @@ private void updateRepeatModeButton() {
     }
 
     if (repeatToggleModes == RepeatModeUtil.REPEAT_TOGGLE_MODE_NONE) {
-      repeatToggleButton.setVisibility(GONE);
+      updateButton(/* visible= */ false, /* enabled= */ false, repeatToggleButton);
       return;
     }
 
     @Nullable Player player = this.player;
     if (player == null) {
-      setButtonEnabled(false, repeatToggleButton);
+      updateButton(/* visible= */ true, /* enabled= */ false, repeatToggleButton);
       repeatToggleButton.setImageDrawable(repeatOffButtonDrawable);
       repeatToggleButton.setContentDescription(repeatOffButtonContentDescription);
       return;
     }
 
-    setButtonEnabled(true, repeatToggleButton);
+    updateButton(/* visible= */ true, /* enabled= */ true, repeatToggleButton);
     switch (player.getRepeatMode()) {
       case Player.REPEAT_MODE_OFF:
         repeatToggleButton.setImageDrawable(repeatOffButtonDrawable);
@@ -886,13 +963,13 @@ private void updateShuffleButton() {
 
     @Nullable Player player = this.player;
     if (!showShuffleButton) {
-      shuffleButton.setVisibility(GONE);
+      updateButton(/* visible= */ false, /* enabled= */ false, shuffleButton);
     } else if (player == null) {
-      setButtonEnabled(false, shuffleButton);
+      updateButton(/* visible= */ true, /* enabled= */ false, shuffleButton);
       shuffleButton.setImageDrawable(shuffleOffButtonDrawable);
       shuffleButton.setContentDescription(shuffleOffContentDescription);
     } else {
-      setButtonEnabled(true, shuffleButton);
+      updateButton(/* visible= */ true, /* enabled= */ true, shuffleButton);
       shuffleButton.setImageDrawable(
           player.getShuffleModeEnabled() ? shuffleOnButtonDrawable : shuffleOffButtonDrawable);
       shuffleButton.setContentDescription(
@@ -1029,13 +1106,13 @@ private void requestPlayPauseFocus() {
     }
   }
 
-  private void setButtonEnabled(boolean enabled, @Nullable View view) {
+  private void updateButton(boolean visible, boolean enabled, @Nullable View view) {
     if (view == null) {
       return;
     }
     view.setEnabled(enabled);
     view.setAlpha(enabled ? buttonAlphaEnabled : buttonAlphaDisabled);
-    view.setVisibility(VISIBLE);
+    view.setVisibility(visible ? VISIBLE : GONE);
   }
 
   private void seekToTimeBarPosition(Player player, long positionMs) {

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

@@ -1000,6 +1000,46 @@ public void setControlDispatcher(ControlDispatcher controlDispatcher) {
     controller.setControlDispatcher(controlDispatcher);
   }
 
+  /**
+   * Sets whether the rewind button is shown.
+   *
+   * @param showRewindButton Whether the rewind button is shown.
+   */
+  public void setShowRewindButton(boolean showRewindButton) {
+    Assertions.checkStateNotNull(controller);
+    controller.setShowRewindButton(showRewindButton);
+  }
+
+  /**
+   * Sets whether the fast forward button is shown.
+   *
+   * @param showFastForwardButton Whether the fast forward button is shown.
+   */
+  public void setShowFastForwardButton(boolean showFastForwardButton) {
+    Assertions.checkStateNotNull(controller);
+    controller.setShowFastForwardButton(showFastForwardButton);
+  }
+
+  /**
+   * Sets whether the previous button is shown.
+   *
+   * @param showPreviousButton Whether the previous button is shown.
+   */
+  public void setShowPreviousButton(boolean showPreviousButton) {
+    Assertions.checkStateNotNull(controller);
+    controller.setShowPreviousButton(showPreviousButton);
+  }
+
+  /**
+   * Sets whether the next button is shown.
+   *
+   * @param showNextButton Whether the next button is shown.
+   */
+  public void setShowNextButton(boolean showNextButton) {
+    Assertions.checkStateNotNull(controller);
+    controller.setShowNextButton(showNextButton);
+  }
+
   /**
    * @deprecated Use {@link #setControlDispatcher(ControlDispatcher)} with {@link
    *     DefaultControlDispatcher#DefaultControlDispatcher(long, long)}.

library/ui/src/main/res/values/attrs.xml

@@ -44,6 +44,10 @@
   <attr name="show_timeout" format="integer"/>
   <attr name="rewind_increment" format="integer"/>
   <attr name="fastforward_increment" format="integer"/>
+  <attr name="show_rewind_button" format="boolean"/>
+  <attr name="show_fastforward_button" format="boolean"/>
+  <attr name="show_previous_button" format="boolean"/>
+  <attr name="show_next_button" format="boolean"/>
   <attr name="show_shuffle_button" format="boolean"/>
   <attr name="time_bar_min_update_interval" format="integer"/>
   <attr name="controller_layout_id" format="reference"/>
@@ -115,6 +119,10 @@
     <attr name="rewind_increment"/>
     <attr name="fastforward_increment"/>
     <attr name="repeat_toggle_modes"/>
+    <attr name="show_rewind_button"/>
+    <attr name="show_fastforward_button"/>
+    <attr name="show_previous_button"/>
+    <attr name="show_next_button"/>
     <attr name="show_shuffle_button"/>
     <attr name="time_bar_min_update_interval"/>
     <attr name="controller_layout_id"/>