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Code Issues Releases Wiki Activity

Move logic to AndroidImportTask and add delete mechanism

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This commit is contained in:
Susko3 2023-01-22 22:47:16 +01:00
parent f8537c1cbe
commit de21864bd1
2 changed files with 63 additions and 22 deletions
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57
osu.Android/AndroidImportTask.cs Normal file
View File

@ -0,0 +1,57 @@
// 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.IO;
using System.Threading.Tasks;
using Android.Content;
using Android.Net;
using Android.Provider;
using osu.Game.Database;
namespace osu.Android
{
public class AndroidImportTask : ImportTask
{
private readonly ContentResolver contentResolver;
private readonly Uri uri;
private AndroidImportTask(Stream stream, string filename, ContentResolver contentResolver, Uri uri)
: base(stream, filename)
{
this.contentResolver = contentResolver;
this.uri = uri;
}
public override void DeleteFile()
{
contentResolver.Delete(uri, null, null);
}
public static async Task<AndroidImportTask?> Create(ContentResolver contentResolver, Uri uri)
{
// there are more performant overloads of this method, but this one is the most backwards-compatible
// (dates back to API 1).
var cursor = contentResolver.Query(uri, null, null, null, null);
if (cursor == null)
return null;
cursor.MoveToFirst();
int filenameColumn = cursor.GetColumnIndex(IOpenableColumns.DisplayName);
string filename = cursor.GetString(filenameColumn);
// 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();
using (var stream = contentResolver.OpenInputStream(uri))
await stream.CopyToAsync(copy).ConfigureAwait(false);
return new AndroidImportTask(copy, filename, contentResolver, uri);
}
}
}

28
osu.Android/OsuGameActivity.cs
View File

@ -5,7 +5,6 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
@ -14,7 +13,6 @@ using Android.Content;
using Android.Content.PM;
using Android.Graphics;
using Android.OS;
using Android.Provider;
using Android.Views;
using osu.Framework.Android;
using osu.Game.Database;
@ -131,28 +129,14 @@ namespace osu.Android
await Task.WhenAll(uris.Select(async uri =>
{
// there are more performant overloads of this method, but this one is the most backwards-compatible
// (dates back to API 1).
var cursor = ContentResolver?.Query(uri, null, null, null, null);
var task = await AndroidImportTask.Create(ContentResolver!, uri).ConfigureAwait(false);
if (cursor == null)
return;
cursor.MoveToFirst();
int filenameColumn = cursor.GetColumnIndex(IOpenableColumns.DisplayName);
string filename = cursor.GetString(filenameColumn);
// 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();
using (var stream = ContentResolver.OpenInputStream(uri))
await stream.CopyToAsync(copy).ConfigureAwait(false);
lock (tasks)
if (task != null)
{
tasks.Add(new ImportTask(copy, filename));
lock (tasks)
{
tasks.Add(task);
}
}
})).ConfigureAwait(false);