private static async Task <StorageFile> GetFileFromApplicationUri(CancellationToken ct, Uri uri)
{
if (uri.Scheme != "ms-appx")
{
throw new InvalidOperationException("Uri is not using the ms-appx scheme");
}
var path = AndroidResourceNameEncoder.EncodeResourcePath(Uri.UnescapeDataString(uri.PathAndQuery).TrimStart(new char[] { '/' }));
// Read the contents of our asset
var outputCachePath = global::System.IO.Path.Combine(Android.App.Application.Context.CacheDir.AbsolutePath, path);
if (typeof(StorageFile).Log().IsEnabled(Uno.Foundation.Logging.LogLevel.Debug))
{
typeof(StorageFile).Log().Debug($"GetFileFromApplicationUriAsyncTask path:{path} outputCachePath:{outputCachePath}");
}
// Ensure only one generation of the cached file can occur at a time.
// The copy of tha android asset should not be necessary, but requires a significant
// refactoring of the StorageFile class to make non-local provides opaque.
// This will need to be revisited once we add support for other providers.
using var gate = await _assetGate.LockForAsset(ct, path);
if (!File.Exists(outputCachePath))
{
Directory.CreateDirectory(global::System.IO.Path.GetDirectoryName(outputCachePath));
Stream GetAsset()
{
if (DrawableHelper.FindResourceIdFromPath(path) is { } resourceId)
{
return(ContextHelper.Current.Resources.OpenRawResource(resourceId));
}
else
{
var assets = global::Android.App.Application.Context.Assets;
return(assets.Open(path));
}
}
public void When_EncodeResourcePath(string input, string expected)
{
Assert.AreEqual(expected, AndroidResourceNameEncoder.EncodeResourcePath(input));
}