feat: Added BeforeSendViewHierarchy callback

src/Sentry.Unity/SentryUnityOptions.cs

@@ -260,6 +260,22 @@ public void SetBeforeCaptureViewHierarchy(Func<bool> beforeAttachViewHierarchy)
         _beforeCaptureViewHierarchy = beforeAttachViewHierarchy;
     }
 
+    private Func<ViewHierarchy, ViewHierarchy?>? _beforeSendViewHierarchy;
+
+    internal Func<ViewHierarchy, ViewHierarchy?>? BeforeSendViewHierarchyInternal => _beforeSendViewHierarchy;
+
+    /// <summary>
+    /// Configures a callback function to be invoked before capturing and attaching the view hierarchy to an event.
+    /// </summary>
+    /// <remarks>
+    /// This callback will get invoked right before the view hierarchy gets taken. If the view hierarchy should not
+    /// be taken return `false`.
+    /// </remarks>
+    public void SetBeforeSendViewHierarchy(Func<ViewHierarchy, ViewHierarchy?> beforeSendViewHierarchy)
+    {
+        _beforeSendViewHierarchy = beforeSendViewHierarchy;
+    }
+
     // Initialized by native SDK binding code to set the User.ID in .NET (UnityEventProcessor).
     internal string? _defaultUserId;
     internal string? DefaultUserId

src/Sentry.Unity/ViewHierarchyEventProcessor.cs

@@ -32,7 +32,26 @@ public ViewHierarchyEventProcessor(SentryUnityOptions sentryOptions)
 
         if (_options.BeforeCaptureViewHierarchyInternal?.Invoke() is not false)
         {
-            hint.AddAttachment(CaptureViewHierarchy(), "view-hierarchy.json", AttachmentType.ViewHierarchy, "application/json");
+            var viewHierarchy = CreateViewHierarchy(
+                _options.MaxViewHierarchyRootObjects,
+                _options.MaxViewHierarchyObjectChildCount,
+                _options.MaxViewHierarchyDepth);
+
+            if (_options.BeforeSendViewHierarchyInternal is not null)
+            {
+                viewHierarchy = _options.BeforeSendViewHierarchyInternal.Invoke(viewHierarchy);
+                if (viewHierarchy is null)
+                {
+                    return @event;
+                }
+            }
+
+            using var stream = new MemoryStream();
+            using var writer = new Utf8JsonWriter(stream);
+            viewHierarchy.WriteTo(writer, _options.DiagnosticLogger);
+            writer.Flush();
+
+            hint.AddAttachment(stream.ToArray(), "view-hierarchy.json", AttachmentType.ViewHierarchy, "application/json");
         }
         else
         {
@@ -42,21 +61,6 @@ public ViewHierarchyEventProcessor(SentryUnityOptions sentryOptions)
         return @event;
     }
 
-    internal byte[] CaptureViewHierarchy()
-    {
-        using var stream = new MemoryStream();
-        using var writer = new Utf8JsonWriter(stream);
-
-        var viewHierarchy = CreateViewHierarchy(
-            _options.MaxViewHierarchyRootObjects,
-            _options.MaxViewHierarchyObjectChildCount,
-            _options.MaxViewHierarchyDepth);
-        viewHierarchy.WriteTo(writer, _options.DiagnosticLogger);
-
-        writer.Flush();
-        return stream.ToArray();
-    }
-
     internal ViewHierarchy CreateViewHierarchy(int maxRootGameObjectCount, int maxChildCount, int maxDepth)
     {
         var rootGameObjects = new List<GameObject>();

test/Sentry.Unity.Tests/ViewHierarchyEventProcessorTests.cs

@@ -75,16 +75,16 @@ public void Process_BeforeCaptureViewHierarchyCallbackProvided_RespectViewHierar
         Assert.AreEqual(captureViewHierarchy ? 1 : 0, hint.Attachments.Count);
     }
 
-    [Test]
-    public void CaptureViewHierarchy_ReturnsNonNullOrEmptyByteArray()
-    {
-        var sut = _fixture.GetSut();
-
-        var byteArray = sut.CaptureViewHierarchy();
-
-        Assert.That(byteArray, Is.Not.Null);
-        Assert.That(byteArray.Length, Is.GreaterThan(0));
-    }
+    // [Test]
+    // public void CaptureViewHierarchy_ReturnsNonNullOrEmptyByteArray()
+    // {
+    //     var sut = _fixture.GetSut();
+    //
+    //     var byteArray = sut.CaptureViewHierarchy();
+    //
+    //     Assert.That(byteArray, Is.Not.Null);
+    //     Assert.That(byteArray.Length, Is.GreaterThan(0));
+    // }
 
     [Test]
     public void CreateViewHierarchy_CapturesSceneAsRoot()