internal static async Task <AnimatedVisualFactory?> LoadAsync(
ImageAssetHandler?imageLoader,
StorageFile file,
LottieVisualOptions options)
{
if (file is null)
{
return(null);
}
if (file.Name.EndsWith(".lottie", StringComparison.OrdinalIgnoreCase))
{
// It's a .lottie file. Defer to the DotLottieLoader.
return(await DotLottieLoader.LoadAsync(file, options));
}
var loader = new StorageFileLoader(imageLoader, file);
return(await Loader.LoadAsync(
loader.GetJsonStreamAsync,
loader,
options));
}
static async Task <AnimatedVisualFactory?> LoadAsync(
string fileName,
Stream stream,
LottieVisualOptions options)
{
ZipArchive zipArchive;
try
{
zipArchive = new ZipArchive(stream, ZipArchiveMode.Read);
}
catch (InvalidDataException)
{
// Not a valid zip file.
return(null);
}
var loader = new DotLottieLoader();
return(await Loader.LoadAsync(
() => loader.GetJsonStreamAsync(zipArchive, fileName),
loader,
options));
}