NewPipe/app/src/main/java/org/schabi/newpipe/player/playqueue/SinglePlayQueue.java

package org.schabi.newpipe.player.playqueue;

import androidx.annotation.NonNull;

import org.schabi.newpipe.extractor.stream.StreamInfo;
import org.schabi.newpipe.extractor.stream.StreamInfoItem;

import java.util.ArrayList;
import java.util.List;

public final class SinglePlayQueue extends PlayQueue {
    public SinglePlayQueue(final StreamInfoItem item) {
        super(0, List.of(new PlayQueueItem(item)));
    }

    public SinglePlayQueue(final StreamInfo info) {
        super(0, List.of(new PlayQueueItem(info)));
    }

    public SinglePlayQueue(final StreamInfo info, final long startPosition) {
        super(0, List.of(new PlayQueueItem(info)));
        getItem().setRecoveryPosition(startPosition);
    }

    public SinglePlayQueue(@NonNull final List<StreamInfoItem> items, final int index) {
        super(index, playQueueItemsOf(items));
    }

    private static List<PlayQueueItem> playQueueItemsOf(@NonNull final List<StreamInfoItem> items) {
        final List<PlayQueueItem> playQueueItems = new ArrayList<>(items.size());
        for (final StreamInfoItem item : items) {
            playQueueItems.add(new PlayQueueItem(item));
        }
        return playQueueItems;
    }

    @Override
    public boolean isComplete() {
        return true;
    }

    @Override
    public void fetch() {
        // Item was already passed in constructor.
        // No further items need to be fetched as this is a PlayQueue with only one item
    }
}