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Code Issues Releases Wiki Activity

Ensure stream disposal & move entire operation inside task

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This commit is contained in:
Bartłomiej Dach 2020-12-15 21:25:53 +01:00
parent f9d7945a6f
commit d0668192aa
1 changed files with 5 additions and 13 deletions
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18
osu.Android/OsuGameActivity.cs
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@ -1,7 +1,6 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;
using Android.App;
@ -62,7 +61,7 @@ namespace osu.Android
}
}
private void handleImportFromUri(Uri uri)
private void handleImportFromUri(Uri uri) => Task.Factory.StartNew(async () =>
{
// there are more performant overloads of this method, but this one is the most backwards-compatible
// (dates back to API 1).
@ -74,23 +73,16 @@ namespace osu.Android
cursor.MoveToFirst();
var filenameColumn = cursor.GetColumnIndex(OpenableColumns.DisplayName);
var stream = ContentResolver.OpenInputStream(uri);
string filename = cursor.GetString(filenameColumn);
if (stream != null)
Task.Factory.StartNew(() => runImport(stream, filename), TaskCreationOptions.LongRunning);
}
private Task runImport(Stream stream, string filename)
{
// SharpCompress requires archive streams to be seekable, which the stream opened by
// OpenInputStream() seems to not necessarily be.
// copy to an arbitrary-access memory stream to be able to proceed with the import.
var copy = new MemoryStream();
stream.CopyTo(copy);
using (var stream = ContentResolver.OpenInputStream(uri))
await stream.CopyToAsync(copy);
return game.Import(copy, filename);
}
await game.Import(copy, filename);
}, TaskCreationOptions.LongRunning);
}
}