Add NDK API to obtain Java InputEvent from Native AInputEvent

This CL adds an NDK API to obtain a copy of native AInputEvent as Java
InputEvent.

Test: atest MotionEventTest KeyEventTest
Bug: 298948992

Change-Id: Ia8ce8ab2bdfc54289eb2402a1beaee68dd1030b0

2 files changed, 18 insertions, 0 deletions

diff --git a/native/android/input.cpp b/native/android/input.cpp
index 64e8efeaa4e8..6efb0280ac02 100644
--- a/native/android/input.cpp
+++ b/native/android/input.cpp
@@ -314,6 +314,23 @@ const AInputEvent* AMotionEvent_fromJava(JNIEnv* env, jobject motionEvent) {
     return event;
 }
 
+jobject AInputEvent_toJava(JNIEnv* env, const AInputEvent* aInputEvent) {
+    LOG_ALWAYS_FATAL_IF(aInputEvent == nullptr, "Expected aInputEvent to be non-null");
+    const int32_t eventType = AInputEvent_getType(aInputEvent);
+    switch (eventType) {
+        case AINPUT_EVENT_TYPE_MOTION:
+            return android::android_view_MotionEvent_obtainAsCopy(env,
+                                                                  static_cast<const MotionEvent&>(
+                                                                          *aInputEvent));
+        case AINPUT_EVENT_TYPE_KEY:
+            return android::android_view_KeyEvent_fromNative(env,
+                                                             static_cast<const KeyEvent&>(
+                                                                     *aInputEvent));
+        default:
+            LOG_ALWAYS_FATAL("Unexpected event type %d in AInputEvent_toJava.", eventType);
+    }
+}
+
 void AInputQueue_attachLooper(AInputQueue* queue, ALooper* looper,
         int ident, ALooper_callbackFunc callback, void* data) {
     InputQueue* iq = static_cast<InputQueue*>(queue);
diff --git a/native/android/libandroid.map.txt b/native/android/libandroid.map.txt
index 960510879a4c..3302265fb80c 100644
--- a/native/android/libandroid.map.txt
+++ b/native/android/libandroid.map.txt
@@ -90,6 +90,7 @@ LIBANDROID {
     AInputEvent_getSource;
     AInputEvent_getType;
     AInputEvent_release; # introduced=31
+    AInputEvent_toJava; # introduced=35
     AInputQueue_attachLooper;
     AInputQueue_detachLooper;
     AInputQueue_finishEvent;