Notify the policy when a stylus gesture starts

Bug: 243005009
Test: atest inputflinger_tests
Change-Id: Ie92cd2a991a50c33ef7e74b4690e6996cb357c58

2 files changed, 17 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/input/InputManagerService.java b/services/core/java/com/android/server/input/InputManagerService.java
index 69b0e65e38da..3d990cc7c9c4 100644
--- a/services/core/java/com/android/server/input/InputManagerService.java
+++ b/services/core/java/com/android/server/input/InputManagerService.java
@@ -3052,6 +3052,11 @@ public class InputManagerService extends IInputManager.Stub
                 com.android.internal.R.bool.config_perDisplayFocusEnabled);
     }
 
+    // Native callback.
+    @SuppressWarnings("unused")
+    private void notifyStylusGestureStarted(int deviceId, long eventTime) {
+    }
+
     /**
      * Flatten a map into a string list, with value positioned directly next to the
      * key.
diff --git a/services/core/jni/com_android_server_input_InputManagerService.cpp b/services/core/jni/com_android_server_input_InputManagerService.cpp
index 3f380e7914d0..633b8d30163c 100644
--- a/services/core/jni/com_android_server_input_InputManagerService.cpp
+++ b/services/core/jni/com_android_server_input_InputManagerService.cpp
@@ -107,6 +107,7 @@ static struct {
     jmethodID notifyFocusChanged;
     jmethodID notifySensorEvent;
     jmethodID notifySensorAccuracy;
+    jmethodID notifyStylusGestureStarted;
     jmethodID notifyVibratorState;
     jmethodID filterInputEvent;
     jmethodID interceptKeyBeforeQueueing;
@@ -312,6 +313,7 @@ public:
                                                            int32_t surfaceRotation) override;
 
     TouchAffineTransformation getTouchAffineTransformation(JNIEnv* env, jfloatArray matrixArr);
+    void notifyStylusGestureStarted(int32_t deviceId, nsecs_t eventTime) override;
 
     /* --- InputDispatcherPolicyInterface implementation --- */
 
@@ -1177,6 +1179,13 @@ TouchAffineTransformation NativeInputManager::getTouchAffineTransformation(
     return transform;
 }
 
+void NativeInputManager::notifyStylusGestureStarted(int32_t deviceId, nsecs_t eventTime) {
+    JNIEnv* env = jniEnv();
+    env->CallVoidMethod(mServiceObj, gServiceClassInfo.notifyStylusGestureStarted, deviceId,
+                        eventTime);
+    checkAndClearExceptionFromCallback(env, "notifyStylusGestureStarted");
+}
+
 bool NativeInputManager::filterInputEvent(const InputEvent* inputEvent, uint32_t policyFlags) {
     ATRACE_CALL();
     jobject inputEventObj;
@@ -2469,6 +2478,9 @@ int register_android_server_InputManager(JNIEnv* env) {
 
     GET_METHOD_ID(gServiceClassInfo.notifySensorAccuracy, clazz, "notifySensorAccuracy", "(III)V");
 
+    GET_METHOD_ID(gServiceClassInfo.notifyStylusGestureStarted, clazz, "notifyStylusGestureStarted",
+                  "(IJ)V");
+
     GET_METHOD_ID(gServiceClassInfo.notifyVibratorState, clazz, "notifyVibratorState", "(IZ)V");
 
     GET_METHOD_ID(gServiceClassInfo.notifyNoFocusedWindowAnr, clazz, "notifyNoFocusedWindowAnr",