downloadModel method

@override Stream<ModelDownloadStatus> downloadModel()

Asks the OS / browser to download the model, reporting progress.

The stream completes when the model is ready or the download failed.

Implementation

@override
Stream<ModelDownloadStatus> downloadModel() {
  return downloadEventChannel
      .receiveBroadcastStream()
      .map((data) {
        if (data is Map) {
          return ModelDownloadStatus.fromMap(Map<String, dynamic>.from(data));
        }
        return const ModelDownloadStatus(
          status: ModelFeatureStatus.downloading,
        );
      })
      .handleError((Object e) {
        if (e is PlatformException) throw mapPlatformException(e);
        throw e;
      });
}