next method

@override VideoDetail next()

Implementation

@override
VideoDetail next() {
  index += 1;
  if (cacheVideoQueue.length < cacheSize / 2) {
    cacheData(urlPath,
        pageNo: (index / cacheSize).ceil(), pageSize: cacheSize);
  }

  if (cacheVideoQueue.length < cacheSize / 2) {
    index = 0;
    cacheData(urlPath,
        pageNo: (index / cacheSize).ceil() + 1, pageSize: cacheSize);
  }

  if (cacheVideoQueue.isNotEmpty) {
    return cacheVideoQueue.removeFirst();
  } else {
    return VideoDetail();
  }
}