AccountService: Cache token data (#6260)

* AccountService: Cache token data

This method appears to indicate that the token returned should be cached. I've made it so that it generates a token that lasts until its expiration time, and reuses it on subsequent calls.

* Private naming convention

Directory.Packages.props

@@ -45,7 +45,7 @@
     <PackageVersion Include="Silk.NET.Vulkan.Extensions.KHR" Version="2.16.0" />
     <PackageVersion Include="SixLabors.ImageSharp" Version="1.0.4" />
     <PackageVersion Include="SixLabors.ImageSharp.Drawing" Version="1.0.0-beta11" />
-    <PackageVersion Include="SPB" Version="0.0.4-build28" />
+    <PackageVersion Include="SPB" Version="0.0.4-build32" />
     <PackageVersion Include="System.Drawing.Common" Version="8.0.1" />
     <PackageVersion Include="System.IO.Hashing" Version="8.0.0" />
     <PackageVersion Include="System.Management" Version="8.0.0" />

src/Ryujinx.Ava/UI/Helpers/ContentDialogHelper.cs

@@ -336,6 +336,11 @@ namespace Ryujinx.Ava.UI.Helpers
 
                 void OverlayOnPositionChanged(object sender, PixelPointEventArgs e)
                 {
+                    if (_contentDialogOverlayWindow is null)
+                    {
+                        return;
+                    }
+
                     _contentDialogOverlayWindow.Position = parent.PointToScreen(new Point());
                 }
 

src/Ryujinx.Graphics.Gpu/Image/TextureGroup.cs

@@ -1630,12 +1630,6 @@ namespace Ryujinx.Graphics.Gpu.Image
                 return;
             }
 
-            // If size is zero, we have nothing to flush.
-            if (size == 0)
-            {
-                return;
-            }
-
             // There is a small gap here where the action is removed but _actionRegistered is still 1.
             // In this case it will skip registering the action, but here we are already handling it,
             // so there shouldn't be any issue as it's the same handler for all actions.

src/Ryujinx.HLE/HOS/Services/Account/Acc/AccountService/ManagerServer.cs

@@ -22,6 +22,9 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc.AccountService
         private readonly UserId _userId;
 #pragma warning restore IDE0052
 
+        private byte[] _cachedTokenData;
+        private DateTime _cachedTokenExpiry;
+
         public ManagerServer(UserId userId)
         {
             _userId = userId;
@@ -144,7 +147,13 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc.AccountService
             }
             */
 
-            byte[] tokenData = Encoding.ASCII.GetBytes(GenerateIdToken());
+            if (_cachedTokenData == null || DateTime.UtcNow > _cachedTokenExpiry)
+            {
+                _cachedTokenExpiry = DateTime.UtcNow + TimeSpan.FromHours(3);
+                _cachedTokenData = Encoding.ASCII.GetBytes(GenerateIdToken());
+            }
+
+            byte[] tokenData = _cachedTokenData;
 
             context.Memory.Write(bufferPosition, tokenData);
             context.ResponseData.Write(tokenData.Length);