content: package de.danoeh.antennapod.ui.episodeslist;
  
  import android.content.Context;
  import android.content.res.Configuration;
  import android.util.AttributeSet;
  import android.view.View;
  import androidx.annotation.NonNull;
  import androidx.annotation.Nullable;
  import androidx.appcompat.view.ContextThemeWrapper;
  import androidx.core.util.Pair;
  import androidx.recyclerview.widget.DividerItemDecoration;
  import androidx.recyclerview.widget.LinearLayoutManager;
  import androidx.recyclerview.widget.RecyclerView;
  import de.danoeh.antennapod.R;
  
  public class EpisodeItemListRecyclerView extends RecyclerView {
      private LinearLayoutManager layoutManager;
  
      public EpisodeItemListRecyclerView(@NonNull Context context) {
          super(new ContextThemeWrapper(context, R.style.FastScrollRecyclerView));
          setup();
      }
  
      public EpisodeItemListRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs) {
          super(new ContextThemeWrapper(context, R.style.FastScrollRecyclerView), attrs);
          setup();
      }
  
      public EpisodeItemListRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
          super(new ContextThemeWrapper(context, R.style.FastScrollRecyclerView), attrs, defStyleAttr);
          setup();
      }
  
      private void setup() {
          layoutManager = new LinearLayoutManager(getContext());
          layoutManager.setRecycleChildrenOnDetach(true);
          setLayoutManager(layoutManager);
          setHasFixedSize(true);
          addItemDecoration(new DividerItemDecoration(getContext(), layoutManager.getOrientation()));
          setClipToPadding(false);
      }
  
      @Override
      protected void onConfigurationChanged(Configuration newConfig) {
          super.onConfigurationChanged(newConfig);
          int horizontalSpacing = (int) getResources().getDimension(R.dimen.additional_horizontal_spacing);
          setPadding(horizontalSpacing, getPaddingTop(), horizontalSpacing, getPaddingBottom());
      }
  
      public Pair<Integer, Integer> getScrollPosition() {
          int firstItem = layoutManager.findFirstVisibleItemPosition();
          View firstItemView = layoutManager.findViewByPosition(firstItem);
          int topOffset = firstItemView == null ? 0 : firstItemView.getTop();
          return new Pair<>(firstItem, topOffset);
      }
  
      public void restoreScrollPosition(Pair<Integer, Integer> scrollPosition) {
          if (scrollPosition == null || (scrollPosition.first == 0 && scrollPosition.second == 0)) {
              return;
          }
          layoutManager.scrollToPositionWithOffset(scrollPosition.first, scrollPosition.second);
      }
  
      public boolean isScrolledToBottom() {
          int visibleEpisodeCount = getChildCount();
          int totalEpisodeCount = layoutManager.getItemCount();
          int firstVisibleEpisode = layoutManager.findFirstVisibleItemPosition();
          return (totalEpisodeCount - visibleEpisodeCount) <= (firstVisibleEpisode + 3);
      }
  }
  