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package de.danoeh.antennapod.adapter;
import android.util.Log;
import android.view.ContextMenu;
import android.view.MenuInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.view.MotionEventCompat;
import androidx.recyclerview.widget.ItemTouchHelper;
import androidx.recyclerview.widget.RecyclerView;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.core.feed.FeedItem;
import de.danoeh.antennapod.core.preferences.UserPreferences;
import de.danoeh.antennapod.core.util.LongList;
import de.danoeh.antennapod.fragment.ItemPagerFragment;
import de.danoeh.antennapod.menuhandler.FeedItemMenuHandler;
import de.danoeh.antennapod.view.EpisodeItemViewHolder;
import org.apache.commons.lang3.ArrayUtils;
import java.lang.ref.WeakReference;
/**
* List adapter for the queue.
*/
public class QueueRecyclerAdapter extends RecyclerView.Adapter<EpisodeItemViewHolder> implements View.OnCreateContextMenuListener {
private static final String TAG = "QueueRecyclerAdapter";
private final WeakReference<MainActivity> mainActivity;
private final ItemAccess itemAccess;
private final ItemTouchHelper itemTouchHelper;
private boolean locked;
private FeedItem selectedItem;
public QueueRecyclerAdapter(MainActivity mainActivity,
ItemAccess itemAccess,
ItemTouchHelper itemTouchHelper) {
super();
this.mainActivity = new WeakReference<>(mainActivity);
this.itemAccess = itemAccess;
this.itemTouchHelper = itemTouchHelper;
locked = UserPreferences.isQueueLocked();
}
public void setLocked(boolean locked) {
this.locked = locked;
notifyDataSetChanged();
}
@NonNull
@Override
public EpisodeItemViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
EpisodeItemViewHolder viewHolder = new EpisodeItemViewHolder(mainActivity.get(), parent);
viewHolder.dragHandle.setOnTouchListener((v1, event) -> {
if (MotionEventCompat.getActionMasked(event) == MotionEvent.ACTION_DOWN) {
Log.d(TAG, "startDrag()");
itemTouchHelper.startDrag(viewHolder);
}
return false;
});
return viewHolder;
}
@Override
public void onBindViewHolder(EpisodeItemViewHolder holder, int pos) {
FeedItem item = itemAccess.getItem(pos);
holder.bind(item);
holder.dragHandle.setVisibility(locked ? View.GONE : View.VISIBLE);
holder.itemView.setOnLongClickListener(v -> {
selectedItem = item;
return false;
});
holder.itemView.setOnClickListener(v -> {
MainActivity activity = mainActivity.get();
if (activity != null) {
long[] ids = itemAccess.getQueueIds().toArray();
int position = ArrayUtils.indexOf(ids, item.getId());
activity.loadChildFragment(ItemPagerFragment.newInstance(ids, position));
}
});
holder.itemView.setOnCreateContextMenuListener(this);
holder.isInQueue.setVisibility(View.GONE);
holder.hideSeparatorIfNecessary();
}
@Nullable
public FeedItem getSelectedItem() {
return selectedItem;
}
@Override
public long getItemId(int position) {
FeedItem item = itemAccess.getItem(position);
return item != null ? item.getId() : RecyclerView.NO_POSITION;
}
public int getItemCount() {
return itemAccess.getCount();
}
@Override
public void onCreateContextMenu(final ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
MenuInflater inflater = mainActivity.get().getMenuInflater();
inflater.inflate(R.menu.queue_context, menu); // queue-specific menu items
inflater.inflate(R.menu.feeditemlist_context, menu); // generic menu items for item feeds
menu.setHeaderTitle(selectedItem.getTitle());
FeedItemMenuHandler.onPrepareMenu(menu, selectedItem, R.id.skip_episode_item);
// Queue-specific menu preparation
final boolean keepSorted = UserPreferences.isQueueKeepSorted();
final LongList queueAccess = itemAccess.getQueueIds();
if (queueAccess.size() == 0 || queueAccess.get(0) == selectedItem.getId() || keepSorted) {
menu.findItem(R.id.move_to_top_item).setVisible(false);
}
if (queueAccess.size() == 0 || queueAccess.get(queueAccess.size() - 1) == selectedItem.getId() || keepSorted) {
menu.findItem(R.id.move_to_bottom_item).setVisible(false);
}
}
public interface ItemAccess {
FeedItem getItem(int position);
int getCount();
LongList getQueueIds();
}
/**
* Notifies a View Holder of relevant callbacks from
* {@link ItemTouchHelper.Callback}.
*/
public interface ItemTouchHelperViewHolder {
/**
* Called when the {@link ItemTouchHelper} first registers an
* item as being moved or swiped.
* Implementations should update the item view to indicate
* it's active state.
*/
void onItemSelected();
/**
* Called when the {@link ItemTouchHelper} has completed the
* move or swipe, and the active item state should be cleared.
*/
void onItemClear();
}
}
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