Make sure TryGetApplicationsFromFile() doesn't throw exceptions anymore (#7046)

* Add docstrings for exceptions to methods near TryGetApplicationsFromFile()

* Make sure TryGetApplicationsFromFile() doesn't throw exceptions anymore

* Add missing filePath to ApplicationData when loading applications from ExeFS

* Fix typo

Co-authored-by: riperiperi <rhy3756547@hotmail.com>

---------

Co-authored-by: riperiperi <rhy3756547@hotmail.com>

src/Ryujinx.HLE/Loaders/Npdm/ACI0.cs

@@ -15,6 +15,12 @@ namespace Ryujinx.HLE.Loaders.Npdm
         public ServiceAccessControl ServiceAccessControl { get; private set; }
         public KernelAccessControl KernelAccessControl { get; private set; }
 
+        /// <exception cref="InvalidNpdmException">The stream doesn't contain valid ACI0 data.</exception>
+        /// <exception cref="System.ArgumentException">The stream does not support reading, is <see langword="null"/>, or is already closed.</exception>
+        /// <exception cref="EndOfStreamException">The end of the stream is reached.</exception>
+        /// <exception cref="System.ObjectDisposedException">The stream is closed.</exception>
+        /// <exception cref="IOException">An I/O error occurred.</exception>
+        /// <exception cref="System.NotImplementedException">The FsAccessHeader.ContentOwnerId section is not implemented.</exception>
         public Aci0(Stream stream, int offset)
         {
             stream.Seek(offset, SeekOrigin.Begin);

src/Ryujinx.HLE/Loaders/Npdm/ACID.cs

@@ -19,6 +19,11 @@ namespace Ryujinx.HLE.Loaders.Npdm
         public ServiceAccessControl ServiceAccessControl { get; private set; }
         public KernelAccessControl KernelAccessControl { get; private set; }
 
+        /// <exception cref="InvalidNpdmException">The stream doesn't contain valid ACID data.</exception>
+        /// <exception cref="System.ArgumentException">The stream does not support reading, is <see langword="null"/>, or is already closed.</exception>
+        /// <exception cref="EndOfStreamException">The end of the stream is reached.</exception>
+        /// <exception cref="System.ObjectDisposedException">The stream is closed.</exception>
+        /// <exception cref="IOException">An I/O error occurred.</exception>
         public Acid(Stream stream, int offset)
         {
             stream.Seek(offset, SeekOrigin.Begin);

src/Ryujinx.HLE/Loaders/Npdm/FsAccessControl.cs

@@ -11,6 +11,10 @@ namespace Ryujinx.HLE.Loaders.Npdm
         public int Unknown3 { get; private set; }
         public int Unknown4 { get; private set; }
 
+        /// <exception cref="System.ArgumentException">The stream does not support reading, is <see langword="null"/>, or is already closed.</exception>
+        /// <exception cref="EndOfStreamException">The end of the stream is reached.</exception>
+        /// <exception cref="System.ObjectDisposedException">The stream is closed.</exception>
+        /// <exception cref="IOException">An I/O error occurred.</exception>
         public FsAccessControl(Stream stream, int offset, int size)
         {
             stream.Seek(offset, SeekOrigin.Begin);

src/Ryujinx.HLE/Loaders/Npdm/FsAccessHeader.cs

@@ -9,6 +9,12 @@ namespace Ryujinx.HLE.Loaders.Npdm
         public int Version { get; private set; }
         public ulong PermissionsBitmask { get; private set; }
 
+        /// <exception cref="InvalidNpdmException">The stream contains invalid data.</exception>
+        /// <exception cref="NotImplementedException">The ContentOwnerId section is not implemented.</exception>
+        /// <exception cref="ArgumentException">The stream does not support reading, is <see langword="null"/>, or is already closed.</exception>
+        /// <exception cref="EndOfStreamException">The end of the stream is reached.</exception>
+        /// <exception cref="ObjectDisposedException">The stream is closed.</exception>
+        /// <exception cref="IOException">An I/O error occurred.</exception>
         public FsAccessHeader(Stream stream, int offset, int size)
         {
             stream.Seek(offset, SeekOrigin.Begin);

src/Ryujinx.HLE/Loaders/Npdm/KernelAccessControl.cs

@@ -6,6 +6,10 @@ namespace Ryujinx.HLE.Loaders.Npdm
     {
         public int[] Capabilities { get; private set; }
 
+        /// <exception cref="System.ArgumentException">The stream does not support reading, is <see langword="null"/>, or is already closed.</exception>
+        /// <exception cref="EndOfStreamException">The end of the stream is reached.</exception>
+        /// <exception cref="System.ObjectDisposedException">The stream is closed.</exception>
+        /// <exception cref="IOException">An I/O error occurred.</exception>
         public KernelAccessControl(Stream stream, int offset, int size)
         {
             stream.Seek(offset, SeekOrigin.Begin);

src/Ryujinx.HLE/Loaders/Npdm/Npdm.cs

@@ -24,6 +24,13 @@ namespace Ryujinx.HLE.Loaders.Npdm
         public Aci0 Aci0 { get; private set; }
         public Acid Acid { get; private set; }
 
+        /// <exception cref="InvalidNpdmException">The stream doesn't contain valid NPDM data.</exception>
+        /// <exception cref="System.NotImplementedException">The FsAccessHeader.ContentOwnerId section is not implemented.</exception>
+        /// <exception cref="System.ArgumentException">The stream does not support reading, is <see langword="null"/>, or is already closed.</exception>
+        /// <exception cref="System.ArgumentException">An error occured while reading bytes from the stream.</exception>
+        /// <exception cref="EndOfStreamException">The end of the stream is reached.</exception>
+        /// <exception cref="System.ObjectDisposedException">The stream is closed.</exception>
+        /// <exception cref="IOException">An I/O error occurred.</exception>
         public Npdm(Stream stream)
         {
             BinaryReader reader = new(stream);

src/Ryujinx.HLE/Loaders/Npdm/ServiceAccessControl.cs

@@ -9,6 +9,11 @@ namespace Ryujinx.HLE.Loaders.Npdm
     {
         public IReadOnlyDictionary<string, bool> Services { get; private set; }
 
+        /// <exception cref="System.ArgumentException">The stream does not support reading, is <see langword="null"/>, or is already closed.</exception>
+        /// <exception cref="System.ArgumentException">An error occured while reading bytes from the stream.</exception>
+        /// <exception cref="EndOfStreamException">The end of the stream is reached.</exception>
+        /// <exception cref="System.ObjectDisposedException">The stream is closed.</exception>
+        /// <exception cref="IOException">An I/O error occurred.</exception>
         public ServiceAccessControl(Stream stream, int offset, int size)
         {
             stream.Seek(offset, SeekOrigin.Begin);

src/Ryujinx.Horizon/Ngc/Ipc/Service.cs

@@ -26,7 +26,11 @@ namespace Ryujinx.Horizon.Ngc.Ipc
         }
 
         [CmifCommand(1)]
-        public Result Check(out uint checkMask, ReadOnlySpan<byte> text, uint regionMask, ProfanityFilterOption option)
+        public Result Check(
+            out uint checkMask,
+            [Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> text,
+            uint regionMask,
+            ProfanityFilterOption option)
         {
             lock (_profanityFilter)
             {

src/Ryujinx.Horizon/Sdk/OsTypes/Impl/MultiWaitImpl.cs

@@ -21,6 +21,8 @@ namespace Ryujinx.Horizon.Sdk.OsTypes.Impl
 
         public long CurrentTime { get; private set; }
 
+        public IEnumerable<MultiWaitHolderBase> MultiWaits => _multiWaits;
+
         public MultiWaitImpl()
         {
             _multiWaits = new List<MultiWaitHolderBase>();

src/Ryujinx.Horizon/Sdk/OsTypes/MultiWait.cs

@@ -1,4 +1,5 @@
 using Ryujinx.Horizon.Sdk.OsTypes.Impl;
+using System.Collections.Generic;
 
 namespace Ryujinx.Horizon.Sdk.OsTypes
 {
@@ -6,6 +7,8 @@ namespace Ryujinx.Horizon.Sdk.OsTypes
     {
         private readonly MultiWaitImpl _impl;
 
+        public IEnumerable<MultiWaitHolderBase> MultiWaits => _impl.MultiWaits;
+
         public MultiWait()
         {
             _impl = new MultiWaitImpl();

src/Ryujinx.Horizon/Sdk/Sf/Hipc/ServerManagerBase.cs

@@ -3,6 +3,7 @@ using Ryujinx.Horizon.Sdk.OsTypes;
 using Ryujinx.Horizon.Sdk.Sf.Cmif;
 using Ryujinx.Horizon.Sdk.Sm;
 using System;
+using System.Linq;
 
 namespace Ryujinx.Horizon.Sdk.Sf.Hipc
 {
@@ -116,6 +117,18 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
             while (WaitAndProcessRequestsImpl())
             {
             }
+
+            // Unlink pending sessions, dispose expects them to be already unlinked.
+
+            ServerSession[] serverSessions = Enumerable.OfType<ServerSession>(_multiWait.MultiWaits).ToArray();
+
+            foreach (ServerSession serverSession in serverSessions)
+            {
+                if (serverSession.IsLinked)
+                {
+                    serverSession.UnlinkFromMultiWaitHolder();
+                }
+            }
         }
 
         public void WaitAndProcessRequests()

src/Ryujinx.UI.Common/App/ApplicationLibrary.cs

@@ -72,17 +72,21 @@ namespace Ryujinx.UI.App.Common
             return resourceByteArray;
         }
 
+        /// <exception cref="Ryujinx.HLE.Exceptions.InvalidNpdmException">The npdm file doesn't contain valid data.</exception>
+        /// <exception cref="NotImplementedException">The FsAccessHeader.ContentOwnerId section is not implemented.</exception>
+        /// <exception cref="ArgumentException">An error occured while reading bytes from the stream.</exception>
+        /// <exception cref="EndOfStreamException">The end of the stream is reached.</exception>
+        /// <exception cref="IOException">An I/O error occurred.</exception>
         private ApplicationData GetApplicationFromExeFs(PartitionFileSystem pfs, string filePath)
         {
             ApplicationData data = new()
             {
                 Icon = _nspIcon,
+                Path = filePath,
             };
 
             using UniqueRef<IFile> npdmFile = new();
 
-            try
-            {
             Result result = pfs.OpenFile(ref npdmFile.Ref, "/main.npdm".ToU8Span(), OpenMode.Read);
 
             if (ResultFs.PathNotFound.Includes(result))
@@ -95,14 +99,16 @@ namespace Ryujinx.UI.App.Common
 
             return data;
         }
-            catch (Exception exception)
-            {
-                Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. File: '{filePath}' Error: {exception.Message}");
-
-                return null;
-            }
-        }
 
+        /// <exception cref="MissingKeyException">The configured key set is missing a key.</exception>
+        /// <exception cref="InvalidDataException">The NCA header could not be decrypted.</exception>
+        /// <exception cref="NotSupportedException">The NCA version is not supported.</exception>
+        /// <exception cref="HorizonResultException">An error occured while reading PFS data.</exception>
+        /// <exception cref="Ryujinx.HLE.Exceptions.InvalidNpdmException">The npdm file doesn't contain valid data.</exception>
+        /// <exception cref="NotImplementedException">The FsAccessHeader.ContentOwnerId section is not implemented.</exception>
+        /// <exception cref="ArgumentException">An error occured while reading bytes from the stream.</exception>
+        /// <exception cref="EndOfStreamException">The end of the stream is reached.</exception>
+        /// <exception cref="IOException">An I/O error occurred.</exception>
         private ApplicationData GetApplicationFromNsp(PartitionFileSystem pfs, string filePath)
         {
             bool isExeFs = false;
@@ -170,13 +176,15 @@ namespace Ryujinx.UI.App.Common
             return null;
         }
 
+        /// <exception cref="MissingKeyException">The configured key set is missing a key.</exception>
+        /// <exception cref="InvalidDataException">The NCA header could not be decrypted.</exception>
+        /// <exception cref="NotSupportedException">The NCA version is not supported.</exception>
+        /// <exception cref="HorizonResultException">An error occured while reading PFS data.</exception>
         private List<ApplicationData> GetApplicationsFromPfs(IFileSystem pfs, string filePath)
         {
             var applications = new List<ApplicationData>();
             string extension = Path.GetExtension(filePath).ToLower();
 
-            try
-            {
             foreach ((ulong titleId, ContentMetaData content) in pfs.GetContentData(ContentMetaType.Application, _virtualFileSystem, _checkLevel))
             {
                 ApplicationData applicationData = new()
@@ -251,19 +259,6 @@ namespace Ryujinx.UI.App.Common
 
                 applications.Add(applicationData);
             }
-            }
-            catch (MissingKeyException exception)
-            {
-                Logger.Warning?.Print(LogClass.Application, $"Your key set is missing a key with the name: {exception.Name}");
-            }
-            catch (InvalidDataException)
-            {
-                Logger.Warning?.Print(LogClass.Application, $"The header key is incorrect or missing and therefore the NCA header content type check has failed. Errored File: {filePath}");
-            }
-            catch (Exception exception)
-            {
-                Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. File: '{filePath}' Error: {exception}");
-            }
 
             return applications;
         }
@@ -319,8 +314,6 @@ namespace Ryujinx.UI.App.Common
                             BinaryReader reader = new(file);
                             ApplicationData application = new();
 
-                            try
-                            {
                             file.Seek(24, SeekOrigin.Begin);
 
                             int assetOffset = reader.ReadInt32();
@@ -358,13 +351,6 @@ namespace Ryujinx.UI.App.Common
 
                             application.ControlHolder = controlHolder;
                             applications.Add(application);
-                            }
-                            catch
-                            {
-                                Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. Errored File: {applicationPath}");
-
-                                return false;
-                            }
 
                             break;
 
@@ -376,8 +362,6 @@ namespace Ryujinx.UI.App.Common
                             }
                         }
                     case ".nca":
-                        {
-                            try
                         {
                             ApplicationData application = new();
 
@@ -393,17 +377,6 @@ namespace Ryujinx.UI.App.Common
                             application.ControlHolder = controlHolder;
 
                             applications.Add(application);
-                            }
-                            catch (InvalidDataException)
-                            {
-                                Logger.Warning?.Print(LogClass.Application, $"The NCA header content type check has failed. This is usually because the header key is incorrect or missing. Errored File: {applicationPath}");
-                            }
-                            catch
-                            {
-                                Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. Errored File: {applicationPath}");
-
-                                return false;
-                            }
 
                             break;
                         }
@@ -417,16 +390,35 @@ namespace Ryujinx.UI.App.Common
                             };
 
                             applications.Add(application);
+
                             break;
                         }
                 }
             }
+            catch (MissingKeyException exception)
+            {
+                Logger.Warning?.Print(LogClass.Application, $"Your key set is missing a key with the name: {exception.Name}");
+
+                return false;
+            }
+            catch (InvalidDataException)
+            {
+                Logger.Warning?.Print(LogClass.Application, $"The header key is incorrect or missing and therefore the NCA header content type check has failed. Errored File: {applicationPath}");
+
+                return false;
+            }
             catch (IOException exception)
             {
                 Logger.Warning?.Print(LogClass.Application, exception.Message);
 
                 return false;
             }
+            catch (Exception exception)
+            {
+                Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. File: '{applicationPath}' Error: {exception}");
+
+                return false;
+            }
 
             foreach (var data in applications)
             {

src/Ryujinx/AppHost.cs

@@ -367,19 +367,14 @@ namespace Ryujinx.Ava
                         }
 
                         var colorType = e.IsBgra ? SKColorType.Bgra8888 : SKColorType.Rgba8888;
-                        using var bitmap = new SKBitmap(new SKImageInfo(e.Width, e.Height, colorType, SKAlphaType.Premul));
+                        using SKBitmap bitmap = new SKBitmap(new SKImageInfo(e.Width, e.Height, colorType, SKAlphaType.Premul));
 
                         Marshal.Copy(e.Data, 0, bitmap.GetPixels(), e.Data.Length);
 
-                        SKBitmap bitmapToSave = null;
+                        using SKBitmap bitmapToSave = new SKBitmap(bitmap.Width, bitmap.Height);
+                        using SKCanvas canvas = new SKCanvas(bitmapToSave);
 
-                        if (e.FlipX || e.FlipY)
-                        {
-                            bitmapToSave = new SKBitmap(bitmap.Width, bitmap.Height);
-
-                            using var canvas = new SKCanvas(bitmapToSave);
-
-                            canvas.Clear(SKColors.Transparent);
+                        canvas.Clear(SKColors.Black);
 
                         float scaleX = e.FlipX ? -1 : 1;
                         float scaleY = e.FlipY ? -1 : 1;
@@ -387,12 +382,9 @@ namespace Ryujinx.Ava
                         var matrix = SKMatrix.CreateScale(scaleX, scaleY, bitmap.Width / 2f, bitmap.Height / 2f);
 
                         canvas.SetMatrix(matrix);
+                        canvas.DrawBitmap(bitmap, SKPoint.Empty);
 
-                            canvas.DrawBitmap(bitmap, new SKPoint(e.FlipX ? -bitmap.Width : 0, e.FlipY ? -bitmap.Height : 0));
-                        }
-
-                        SaveBitmapAsPng(bitmapToSave ?? bitmap, path);
-                        bitmapToSave?.Dispose();
+                        SaveBitmapAsPng(bitmapToSave, path);
 
                         Logger.Notice.Print(LogClass.Application, $"Screenshot saved to {path}", "Screenshot");
                     }

src/Ryujinx/UI/ViewModels/DownloadableContentManagerViewModel.cs

@@ -263,7 +263,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
                     var content = new DownloadableContentModel(nca.Header.TitleId.ToString("X16"), path, fileEntry.FullPath, true);
                     DownloadableContents.Add(content);
-                    SelectedDownloadableContents.Add(content);
+                    Dispatcher.UIThread.InvokeAsync(() => SelectedDownloadableContents.Add(content));
 
                     success = true;
                 }

src/Ryujinx/UI/ViewModels/TitleUpdateViewModel.cs

@@ -169,7 +169,7 @@ namespace Ryujinx.Ava.UI.ViewModels
             }
         }
 
-        private void AddUpdate(string path, bool ignoreNotFound = false)
+        private void AddUpdate(string path, bool ignoreNotFound = false, bool selected = false)
         {
             if (!File.Exists(path) || TitleUpdates.Any(x => x.Path == path))
             {
@@ -204,7 +204,13 @@ namespace Ryujinx.Ava.UI.ViewModels
                     controlNca.OpenFileSystem(NcaSectionType.Data, IntegrityCheckLevel.None).OpenFile(ref nacpFile.Ref, "/control.nacp".ToU8Span(), OpenMode.Read).ThrowIfFailure();
                     nacpFile.Get.Read(out _, 0, SpanHelpers.AsByteSpan(ref controlData), ReadOption.None).ThrowIfFailure();
 
-                    TitleUpdates.Add(new TitleUpdateModel(controlData, path));
+                    var update = new TitleUpdateModel(controlData, path);
+                    TitleUpdates.Add(update);
+
+                    if (selected)
+                    {
+                        Dispatcher.UIThread.InvokeAsync(() => SelectedUpdate = update);
+                    }
                 }
                 else
                 {
@@ -245,7 +251,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
             foreach (var file in result)
             {
-                AddUpdate(file.Path.LocalPath);
+                AddUpdate(file.Path.LocalPath, selected: true);
             }
 
             SortUpdates();