diff --git a/services/inputflinger/InputWindow.h b/services/inputflinger/InputWindow.h
index 42457ce..0ac7fce 100644
--- a/services/inputflinger/InputWindow.h
+++ b/services/inputflinger/InputWindow.h
@@ -146,6 +146,8 @@
     bool isTrustedOverlay() const;
 
     bool supportsSplitTouch() const;
+
+    bool overlaps(const InputWindowInfo* other) const;
 };