open method

Implementation

Future<void> open({String? path, String? url, Uint8List? bytes, String? asset, Object? blob, Map<String, String>? headers, String password = ""}) async {
  emit(value.copyWith(state: UDocState.opening, isBusy: true, clearError: true));
  try {
    final UPdfDocument document = await UPdfDocument.open(path: path, url: url, bytes: bytes, asset: asset, blob: blob, headers: headers, password: password);
    _document = document;
    _renderer = UPdfPageRenderer(document);
    _index = await UDocTextIndex.open(document.fingerprint);
    await _loadHiddenGroups(document);
    final UDocMetadata metadata = await document.metadata();
    final UPdfPage? first = await document.page(0);
    if (first != null) {
      _pages[0] = first;
      _fallbackInfo = _infoFor(first);
      _infos[0] = _fallbackInfo;
    }
    unawaited(_prefetchInfos());
    unawaited(_loadOutline());
    emit(
      value.copyWith(
        state: UDocState.ready,
        kind: UDocKind.pdf,
        pageCount: document.pageCount,
        metadata: metadata,
        permissions: document.permissions,
        isBusy: false,
        loadedPercent: 1,
        clearError: true,
      ),
    );
    await UDocProgressStore.instance.load();
    final UDocProgress? progress = UDocProgressStore.instance.get(document.fingerprint);
    if (progress != null && progress.pageIndex > 0 && progress.pageIndex < document.pageCount) emit(value.copyWith(pageIndex: progress.pageIndex));
  } on UDocError catch (error) {
    failWith(error);
  } on Object catch (error) {
    failWith(UDocError(code: UDocErrorCode.corrupt, message: "Could not open the document", detail: "$error"));
  }
}