1 files changed, 32 insertions, 10 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java
index 5a65f956c..82e2b3a6a 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java
@@ -22,6 +22,8 @@ import androidx.viewpager2.adapter.FragmentStateAdapter;
 import androidx.viewpager2.widget.ViewPager2;
 import com.google.android.material.bottomsheet.BottomSheetBehavior;
 import com.google.android.material.snackbar.Snackbar;
+import com.google.android.material.tabs.TabLayout;
+import com.google.android.material.tabs.TabLayoutMediator;
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.activity.CastEnabledActivity;
 import de.danoeh.antennapod.activity.MainActivity;
@@ -43,7 +45,6 @@ import de.danoeh.antennapod.dialog.SkipPreferenceDialog;
 import de.danoeh.antennapod.dialog.SleepTimerDialog;
 import de.danoeh.antennapod.dialog.VariableSpeedDialog;
 import de.danoeh.antennapod.menuhandler.FeedItemMenuHandler;
-import de.danoeh.antennapod.view.PagerIndicatorView;
 import de.danoeh.antennapod.view.PlaybackSpeedIndicatorView;
 import io.reactivex.Maybe;
 import io.reactivex.android.schedulers.AndroidSchedulers;
@@ -74,7 +75,6 @@ public class AudioPlayerFragment extends Fragment implements
     PlaybackSpeedIndicatorView butPlaybackSpeed;
     TextView txtvPlaybackSpeed;
     private ViewPager2 pager;
-    private PagerIndicatorView pageIndicator;
     private TextView txtvPosition;
     private TextView txtvLength;
     private SeekBar sbPosition;
@@ -90,6 +90,8 @@ public class AudioPlayerFragment extends Fragment implements
     private PlaybackController controller;
     private Disposable disposable;
     private boolean showTimeLeft;
+    private boolean hasChapters = false;
+    private TabLayoutMediator tabLayoutMediator;
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater,
@@ -141,13 +143,37 @@ public class AudioPlayerFragment extends Fragment implements
                 });
             }
         });
-        pageIndicator = root.findViewById(R.id.page_indicator);
-        pageIndicator.setViewPager(pager);
-        pageIndicator.setOnClickListener(v ->
-                pager.setCurrentItem((pager.getCurrentItem() + 1) % NUM_CONTENT_FRAGMENTS));
+
+        TabLayout tabLayout = root.findViewById(R.id.sliding_tabs);
+        tabLayoutMediator = new TabLayoutMediator(tabLayout, pager, (tab, position) -> {
+            tab.view.setAlpha(1.0f);
+            switch (position) {
+                case POS_COVER:
+                    tab.setText(R.string.cover_label);
+                    break;
+                case POS_DESCR:
+                    tab.setText(R.string.description_label);
+                    break;
+                case POS_CHAPTERS:
+                    tab.setText(R.string.chapters_label);
+                    if (!hasChapters) {
+                        tab.view.setAlpha(0.5f);
+                    }
+                    break;
+                default:
+                    break;
+            }
+        });
+        tabLayoutMediator.attach();
         return root;
     }
 
+    public void setHasChapters(boolean hasChapters) {
+        this.hasChapters = hasChapters;
+        tabLayoutMediator.detach();
+        tabLayoutMediator.attach();
+    }
+
     public View getExternalPlayerHolder() {
         return getView().findViewById(R.id.playerFragment);
     }
@@ -362,10 +388,6 @@ public class AudioPlayerFragment extends Fragment implements
         setupOptionsMenu(media);
     }
 
-    public void setHasChapters(boolean hasChapters) {
-        pageIndicator.setDisabledPage(hasChapters ? -1 : 2);
-    }
-
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);