From 1aaa212641edc9367f937c53b85a3a4b8d2ed153 Mon Sep 17 00:00:00 2001
From: Chris Ye <lzye@google.com>
Date: Tue, 7 Apr 2020 19:38:15 -0700
Subject: Add java-to-native converters for input events.

Add java-to-native converters for android.view.KeyEvent,
android.view.MotionEvent.

Bug: 116830907
Test: atest KeyEventTest, atest MotionEventTest
Change-Id: I66a2f1dbd627c03b5dc923713be74ee9c2b73e1a
---
 include/android/input.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'include/android/input.h')

diff --git a/include/android/input.h b/include/android/input.h
index dbfd61eb05..7c392348b7 100644
--- a/include/android/input.h
+++ b/include/android/input.h
@@ -55,6 +55,7 @@
 #include <sys/types.h>
 #include <android/keycodes.h>
 #include <android/looper.h>
+#include <jni.h>
 
 #if !defined(__INTRODUCED_IN)
 #define __INTRODUCED_IN(__api_level) /* nothing */
@@ -931,6 +932,15 @@ int32_t AInputEvent_getDeviceId(const AInputEvent* event);
 /** Get the input event source. */
 int32_t AInputEvent_getSource(const AInputEvent* event);
 
+/**
+ * Releases interface objects created by {@link AKeyEvent_fromJava()}
+ * and {@link AMotionEvent_fromJava()}.
+ * After returning, the specified AInputEvent* object becomes invalid and should no longer be used.
+ * The underlying Java object remains valid and does not change its state.
+ */
+
+void AInputEvent_release(const AInputEvent* event);
+
 /*** Accessors for key events only. ***/
 
 /** Get the key event action. */
@@ -977,6 +987,15 @@ int64_t AKeyEvent_getDownTime(const AInputEvent* key_event);
  */
 int64_t AKeyEvent_getEventTime(const AInputEvent* key_event);
 
+/**
+ * Creates a native AInputEvent* object associated with the specified Java android.view.KeyEvent.
+ * The result may be used with generic and KeyEvent-specific AInputEvent_* functions.
+ * The object returned by this function must be disposed using {@link AInputEvent_release()}.
+ * User must guarantee that lifetime for object referenced by keyEvent is prolongated
+ * up to release of returned AInputEvent*.
+ */
+const AInputEvent* AKeyEvent_fromJava(JNIEnv* env, jobject keyEvent);
+
 /*** Accessors for motion events only. ***/
 
 /** Get the combined motion event action code and pointer index. */
@@ -1292,6 +1311,14 @@ float AMotionEvent_getHistoricalOrientation(const AInputEvent* motion_event, siz
 float AMotionEvent_getHistoricalAxisValue(const AInputEvent* motion_event,
         int32_t axis, size_t pointer_index, size_t history_index);
 
+/**
+ * Creates a native AInputEvent* object associated with the specified Java android.view.MotionEvent.
+ * The result may be used with generic and MotionEvent-specific AInputEvent_* functions.
+ * The object returned by this function must be disposed using {@link AInputEvent_release()}.
+ * User must guarantee that object referenced by motionEvent won't be recycled and
+ * its lifetime is prolongated up to release of returned AInputEvent*.
+ */
+const AInputEvent* AMotionEvent_fromJava(JNIEnv* env, jobject motionEvent);
 
 struct AInputQueue;
 /**
-- 
cgit v1.2.3-59-g8ed1b