close method

Implementation

@override
Future<void> close() async {
  saveProgress();
  UDocPictureCache.instance.evictDocument(documentId);
  _thumbnails.clear();
  _texts.clear();
  _pages.clear();
  await _index?.close();
  await _document?.close();
  _document = null;
  _renderer = null;
  emit(value.copyWith(state: UDocState.closed));
}