Merge pull request #11212 from Game4all/android-multiple-import-support-suppot

Add ability to import multiple files at once on android

osu.Android/OsuGameActivity.cs

@@ -1,6 +1,7 @@
 // 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.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
@@ -12,13 +13,14 @@ using Android.OS;
 using Android.Provider;
 using Android.Views;
 using osu.Framework.Android;
+using osu.Game.Database;
 
 namespace osu.Android
 {
     [Activity(Theme = "@android:style/Theme.NoTitleBar", MainLauncher = true, ScreenOrientation = ScreenOrientation.FullUser, SupportsPictureInPicture = false, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize, HardwareAccelerated = false, LaunchMode = LaunchMode.SingleInstance)]
     [IntentFilter(new[] { Intent.ActionView }, Categories = new[] { Intent.CategoryDefault }, DataScheme = "content", DataPathPattern = ".*\\\\.osz", DataHost = "*", DataMimeType = "*/*")]
     [IntentFilter(new[] { Intent.ActionView }, Categories = new[] { Intent.CategoryDefault }, DataScheme = "content", DataPathPattern = ".*\\\\.osk", DataHost = "*", DataMimeType = "*/*")]
-    [IntentFilter(new[] { Intent.ActionSend }, Categories = new[] { Intent.CategoryDefault }, DataMimeTypes = new[] { "application/zip", "application/octet-stream" })]
+    [IntentFilter(new[] { Intent.ActionSend, Intent.ActionSendMultiple }, Categories = new[] { Intent.CategoryDefault }, DataMimeTypes = new[] { "application/zip", "application/octet-stream" })]
     [IntentFilter(new[] { Intent.ActionView }, Categories = new[] { Intent.CategoryBrowsable, Intent.CategoryDefault }, DataSchemes = new[] { "osu", "osump" })]
     public class OsuGameActivity : AndroidGameActivity
     {
@@ -54,43 +56,59 @@ namespace osu.Android
             {
                 case Intent.ActionDefault:
                     if (intent.Scheme == ContentResolver.SchemeContent)
-                        handleImportFromUri(intent.Data);
+                        handleImportFromUris(intent.Data);
                     else if (osu_url_schemes.Contains(intent.Scheme))
                         game.HandleLink(intent.DataString);
                     break;
 
                 case Intent.ActionSend:
+                case Intent.ActionSendMultiple:
                 {
-                    var content = intent.ClipData?.GetItemAt(0);
-                    if (content != null)
-                        handleImportFromUri(content.Uri);
+                    var uris = new List<Uri>();
+                    for (int i = 0; i < intent.ClipData?.ItemCount; i++)
+                    {
+                        var content = intent.ClipData?.GetItemAt(i);
+                        if (content != null)
+                            uris.Add(content.Uri);
+                    }
+                    handleImportFromUris(uris.ToArray());
                     break;
                 }
             }
         }
 
-        private void handleImportFromUri(Uri uri) => Task.Factory.StartNew(async () =>
+        private void handleImportFromUris(params Uri[] uris) => 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).
-            var cursor = ContentResolver?.Query(uri, null, null, null, null);
+            var tasks = new List<ImportTask>();
 
-            if (cursor == null)
-                return;
+            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);
 
-            cursor.MoveToFirst();
+                if (cursor == null)
+                    return;
 
-            var filenameColumn = cursor.GetColumnIndex(OpenableColumns.DisplayName);
-            string filename = cursor.GetString(filenameColumn);
+                cursor.MoveToFirst();
 
-            // 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);
+                var filenameColumn = cursor.GetColumnIndex(OpenableColumns.DisplayName);
+                string filename = cursor.GetString(filenameColumn);
 
-            await game.Import(copy, 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();
+                using (var stream = ContentResolver.OpenInputStream(uri))
+                    await stream.CopyToAsync(copy);
+
+                lock (tasks)
+                {
+                    tasks.Add(new ImportTask(copy, filename));
+                }
+            }));
+
+            await game.Import(tasks.ToArray());
         }, TaskCreationOptions.LongRunning);
     }
 }

osu.Game/Database/ArchiveModelManager.cs

@@ -115,13 +115,13 @@ namespace osu.Game.Database
             return Import(notification, paths.Select(p => new ImportTask(p)).ToArray());
         }
 
-        public Task Import(Stream stream, string filename)
+        public Task Import(params ImportTask[] tasks)
         {
             var notification = new ProgressNotification { State = ProgressNotificationState.Active };
 
             PostNotification?.Invoke(notification);
 
-            return Import(notification, new ImportTask(stream, filename));
+            return Import(notification, tasks);
         }
 
         protected async Task<IEnumerable<TModel>> Import(ProgressNotification notification, params ImportTask[] tasks)

osu.Game/Database/ICanAcceptFiles.cs

@@ -2,7 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
-using System.IO;
 using System.Threading.Tasks;
 
 namespace osu.Game.Database
@@ -19,11 +18,10 @@ namespace osu.Game.Database
         Task Import(params string[] paths);
 
         /// <summary>
-        /// Import the provided stream as a simple item.
+        /// Import the specified files from the given import tasks.
         /// </summary>
-        /// <param name="stream">The stream to import files from. Should be in a supported archive format.</param>
-        /// <param name="filename">The filename of the archive being imported.</param>
-        Task Import(Stream stream, string filename);
+        /// <param name="tasks">The import tasks from which the files should be imported.</param>
+        Task Import(params ImportTask[] tasks);
 
         /// <summary>
         /// An array of accepted file extensions (in the standard format of ".abc").

osu.Game/OsuGame.cs

@@ -51,7 +51,7 @@ using osu.Game.Screens.Select;
 using osu.Game.Updater;
 using osu.Game.Utils;
 using LogLevel = osu.Framework.Logging.LogLevel;
-using System.IO;
+using osu.Game.Database;
 
 namespace osu.Game
 {
@@ -438,10 +438,10 @@ namespace osu.Game
             }, validScreens: new[] { typeof(PlaySongSelect) });
         }
 
-        public override Task Import(Stream stream, string filename)
+        public override Task Import(params ImportTask[] imports)
         {
             // encapsulate task as we don't want to begin the import process until in a ready state.
-            var importTask = new Task(async () => await base.Import(stream, filename));
+            var importTask = new Task(async () => await base.Import(imports));
 
             waitForReady(() => this, _ => importTask.Start());
 

osu.Game/OsuGameBase.cs

@@ -419,15 +419,14 @@ namespace osu.Game
             }
         }
 
-        public virtual async Task Import(Stream stream, string filename)
+        public virtual async Task Import(params ImportTask[] tasks)
         {
-            var extension = Path.GetExtension(filename)?.ToLowerInvariant();
-
-            foreach (var importer in fileImporters)
+            var tasksPerExtension = tasks.GroupBy(t => Path.GetExtension(t.Path).ToLowerInvariant());
+            await Task.WhenAll(tasksPerExtension.Select(taskGroup =>
             {
-                if (importer.HandledExtensions.Contains(extension))
-                    await importer.Import(stream, Path.GetFileNameWithoutExtension(filename));
-            }
+                var importer = fileImporters.FirstOrDefault(i => i.HandledExtensions.Contains(taskGroup.Key));
+                return importer?.Import(taskGroup.ToArray()) ?? Task.CompletedTask;
+            }));
         }
 
         public IEnumerable<string> HandledExtensions => fileImporters.SelectMany(i => i.HandledExtensions);

osu.Game/Screens/Edit/Setup/ResourcesSection.cs

@@ -103,7 +103,7 @@ namespace osu.Game.Screens.Edit.Setup
             return Task.CompletedTask;
         }
 
-        Task ICanAcceptFiles.Import(Stream stream, string filename) => throw new NotImplementedException();
+        Task ICanAcceptFiles.Import(params ImportTask[] tasks) => throw new NotImplementedException();
 
         protected override void LoadComplete()
         {