Add CLASSIFICATION_TWO_FINGER_SCROLL for touchpad scrolling

This will be used to denote the single-finger touches that
TouchInputMapper creates to simulate scrolling when the user makes
two-finger swipes on the touchpad.

Bug: 246758376
Test: check new value is sent to a test app when scrolling on a touchpad
Change-Id: Id93cba764522e36d850f7013ab8a117f64716fac

1 files changed, 2 insertions, 0 deletions

diff --git a/native/android/input.cpp b/native/android/input.cpp
index a231d8f153e7..812db0f1c507 100644
--- a/native/android/input.cpp
+++ b/native/android/input.cpp
@@ -295,6 +295,8 @@ int32_t AMotionEvent_getClassification(const AInputEvent* motion_event) {
             return AMOTION_EVENT_CLASSIFICATION_AMBIGUOUS_GESTURE;
         case android::MotionClassification::DEEP_PRESS:
             return AMOTION_EVENT_CLASSIFICATION_DEEP_PRESS;
+        case android::MotionClassification::TWO_FINGER_SWIPE:
+            return AMOTION_EVENT_CLASSIFICATION_TWO_FINGER_SWIPE;
     }
 }