Reusable video thumbnail ViewModelWidget

video_thumbnail.dart

class VideoThumbnail extends ViewModelWidget<StackedVideoViewModel> {

  @override
  Widget build(BuildContext context, StackedVideoViewModel model) {
    return Builder(
      builder: (context) {
        // If we want to show the full video, we need to scale it to fit the longest side
        if (model.showFull) {
          bool wideVideo =
              model.videoPlayerController.value.size.width >
                  model.videoPlayerController.value.size.height;

          if (wideVideo) {
            return Row(
              children: [
                Expanded(
                    child: AspectRatio(
                      aspectRatio:
                      model.videoPlayerController.value.aspectRatio,
                      child: VideoPlayer(model.videoPlayerController),
                    ))
              ],
            );
          } else {
            return Column(
              children: [
                Expanded(
                    child: AspectRatio(
                      aspectRatio:
                      model.videoPlayerController.value.aspectRatio,
                      child: VideoPlayer(model.videoPlayerController),
                    ))
              ],
            );
          }
        }

        // Else just show a portion of the video viewport
        else {
          return FittedBox(
            fit: BoxFit.cover,
            alignment: Alignment(model.x, model.y),
            child: SizedBox(
              height:
              model.videoPlayerController.value.size?.height ?? 0,
              width: model.videoPlayerController.value.size?.width ?? 0,
              child: VideoPlayer(model.videoPlayerController),
            ),
          );
        }
      },
    );
  }
}