Fix panning sounds after scrolling.

internal/atspi/adapter_tree_test.go

@@ -99,6 +99,28 @@ func TestCaptureDesktopRejectsUnavailableAdapterAndCanceledContext(t *testing.T)
 	}
 }
 
+func TestDocumentSoundGeometryHonorsCaptureGateAndCancellation(t *testing.T) {
+	adapter := New()
+	tree := testTree(t)
+	object, _ := tree.Reference(testID("/first"))
+	adapter.SetCaptureSoundGeometry(false)
+	geometry, err := adapter.CaptureDocumentSoundGeometry(context.Background(), object, ObjectReference{})
+	if err != nil || geometry != [2]SoundGeometry{} {
+		t.Fatalf("disabled sound geometry accessed the stopped adapter: %+v, %v", geometry, err)
+	}
+	adapter.SetCaptureSoundGeometry(true)
+	canceled, cancel := context.WithCancel(context.Background())
+	cancel()
+	if _, err := adapter.CaptureDocumentSoundGeometry(canceled, object, ObjectReference{}); !errors.Is(err, context.Canceled) {
+		t.Fatalf("canceled geometry capture error = %v", err)
+	}
+	adapter.documentTree = tree
+	tree.Invalidate(object.ID())
+	if _, err := adapter.captureNativeDocumentSoundGeometry(context.Background(), [2]ObjectReference{object}); !errors.Is(err, ErrStaleObject) {
+		t.Fatalf("stale geometry reference accepted: %v", err)
+	}
+}
+
 func TestDocumentCaptureTreeIsIndependentAndInvalidated(t *testing.T) {
 	for _, eventType := range []string{ChildrenAddedEvent, DefunctStateEvent, DocumentReloadEvent, "shutdown"} {
 		t.Run(eventType, func(t *testing.T) {