INNER CODE UNIT · Dart

state

blackmann/story_view · lib/widgets/story_image.dart:19

  LoadState state = LoadState.loading; // by default

  ImageLoader(this.url, {this.requestHeaders});

  /// Load image from disk cache first, if not found then load from network.
  /// `onComplete` is called when [imageBytes] become available.
  void loadImage(VoidCallback onComplete) {
    if (this.frames != null) {
      this.state = LoadState.success;
      onComplete();
    }

    final fileStream = DefaultCacheManager().getFileStream(this.url,
        headers: this.requestHeaders as Map<String, String>?);

    fileStream.listen(
      (fileResponse) {
        if (!(fileResponse is FileInfo)) return;

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