2 files changed, 73 insertions, 1 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/view/EpisodeItemListRecyclerView.java b/app/src/main/java/de/danoeh/antennapod/view/EpisodeItemListRecyclerView.java
new file mode 100644
index 000000000..cbc6ca630
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/view/EpisodeItemListRecyclerView.java
@@ -0,0 +1,73 @@
+package de.danoeh.antennapod.view;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.util.AttributeSet;
+import android.view.View;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import com.yqritc.recyclerviewflexibledivider.HorizontalDividerItemDecoration;
+import io.reactivex.annotations.Nullable;
+
+public class EpisodeItemListRecyclerView extends RecyclerView {
+    private static final String TAG = "EpisodeItemListRecyclerView";
+    private static final String PREF_PREFIX_SCROLL_POSITION = "scroll_position_";
+    private static final String PREF_PREFIX_SCROLL_OFFSET = "scroll_offset_";
+
+    private LinearLayoutManager layoutManager;
+
+    public EpisodeItemListRecyclerView(Context context) {
+        super(context);
+        setup();
+    }
+
+    public EpisodeItemListRecyclerView(Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+        setup();
+    }
+
+    public EpisodeItemListRecyclerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        setup();
+    }
+
+    private void setup() {
+        layoutManager = new LinearLayoutManager(getContext());
+        layoutManager.setRecycleChildrenOnDetach(true);
+        setLayoutManager(layoutManager);
+        setHasFixedSize(true);
+        addItemDecoration(new HorizontalDividerItemDecoration.Builder(getContext()).build());
+    }
+
+    public void saveScrollPosition(String tag) {
+        int firstItem = layoutManager.findFirstVisibleItemPosition();
+        View firstItemView = layoutManager.findViewByPosition(firstItem);
+        float topOffset;
+        if (firstItemView == null) {
+            topOffset = 0;
+        } else {
+            topOffset = firstItemView.getTop();
+        }
+
+        getContext().getSharedPreferences(TAG, Context.MODE_PRIVATE).edit()
+                .putInt(PREF_PREFIX_SCROLL_POSITION + tag, firstItem)
+                .putInt(PREF_PREFIX_SCROLL_OFFSET + tag, (int) topOffset)
+                .apply();
+    }
+
+    public void restoreScrollPosition(String tag) {
+        SharedPreferences prefs = getContext().getSharedPreferences(TAG, Context.MODE_PRIVATE);
+        int position = prefs.getInt(PREF_PREFIX_SCROLL_POSITION + tag, 0);
+        int offset = prefs.getInt(PREF_PREFIX_SCROLL_OFFSET + tag, 0);
+        if (position > 0 || offset > 0) {
+            layoutManager.scrollToPositionWithOffset(position, offset);
+        }
+    }
+
+    public boolean isScrolledToBottom() {
+        int visibleEpisodeCount = getChildCount();
+        int totalEpisodeCount = layoutManager.getItemCount();
+        int firstVisibleEpisode = layoutManager.findFirstVisibleItemPosition();
+        return (totalEpisodeCount - visibleEpisodeCount) <= (firstVisibleEpisode + 3);
+    }
+}
diff --git a/app/src/main/java/de/danoeh/antennapod/view/viewholder/EpisodeItemViewHolder.java b/app/src/main/java/de/danoeh/antennapod/view/viewholder/EpisodeItemViewHolder.java
index a6300b50e..506f0f695 100644
--- a/app/src/main/java/de/danoeh/antennapod/view/viewholder/EpisodeItemViewHolder.java
+++ b/app/src/main/java/de/danoeh/antennapod/view/viewholder/EpisodeItemViewHolder.java
@@ -15,7 +15,6 @@ import com.joanzapata.iconify.Iconify;
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.activity.MainActivity;
 import de.danoeh.antennapod.adapter.CoverLoader;
-import de.danoeh.antennapod.adapter.QueueRecyclerAdapter;
 import de.danoeh.antennapod.adapter.actionbutton.ItemActionButton;
 import de.danoeh.antennapod.core.event.PlaybackPositionEvent;
 import de.danoeh.antennapod.core.feed.FeedItem;