/**
 * File generated by Jenny -- https://github.com/LanderlYoung/Jenny
 *
 * DO NOT EDIT THIS FILE.
 *
 * For bug report, please refer to github issue tracker https://github.com/LanderlYoung/Jenny/issues.
 */

/* C++ header file for class io/github/landerlyoung/jennysampleapp/NativeDrawable */
#pragma once

#include <jni.h>


namespace NativeDrawable {

// DO NOT modify
static constexpr auto FULL_CLASS_NAME = u8"io/github/landerlyoung/jennysampleapp/NativeDrawable";


/*
 * Class:     io.github.landerlyoung.jennysampleapp.NativeDrawable
 * Method:    private final long nativeInit()
 * Signature: ()J
 */
jlong JNICALL nativeInit(JNIEnv* env, jobject thiz);

/*
 * Class:     io.github.landerlyoung.jennysampleapp.NativeDrawable
 * Method:    public final void onClick()
 * Signature: ()V
 */
void JNICALL onClick(JNIEnv* env, jobject thiz);

/*
 * Class:     io.github.landerlyoung.jennysampleapp.NativeDrawable
 * Method:    public void draw(android.graphics.Canvas canvas)
 * Signature: (Landroid/graphics/Canvas;)V
 */
void JNICALL draw(JNIEnv* env, jobject thiz, jobject canvas);

/*
 * Class:     io.github.landerlyoung.jennysampleapp.NativeDrawable
 * Method:    public final void release()
 * Signature: ()V
 */
void JNICALL release(JNIEnv* env, jobject thiz);

/**
* register Native functions
* @returns success or not
*/
inline bool registerNativeFunctions(JNIEnv* env) {
// 1. C++20 has u8"" string as char8_t type, we should cast them.
// 2. jni.h has JNINativeMethod::name as char* type not const char*. (while Android does)
#define jenny_u8cast(u8) const_cast<char *>(reinterpret_cast<const char *>(u8))
   const JNINativeMethod gsNativeMethods[] = {
       {
           /* method name      */ jenny_u8cast(u8"nativeInit"),
           /* method signature */ jenny_u8cast(u8"()J"),
           /* function pointer */ reinterpret_cast<void *>(nativeInit)
       },
       {
           /* method name      */ jenny_u8cast(u8"onClick"),
           /* method signature */ jenny_u8cast(u8"()V"),
           /* function pointer */ reinterpret_cast<void *>(onClick)
       },
       {
           /* method name      */ jenny_u8cast(u8"draw"),
           /* method signature */ jenny_u8cast(u8"(Landroid/graphics/Canvas;)V"),
           /* function pointer */ reinterpret_cast<void *>(draw)
       },
       {
           /* method name      */ jenny_u8cast(u8"release"),
           /* method signature */ jenny_u8cast(u8"()V"),
           /* function pointer */ reinterpret_cast<void *>(release)
       }
   };

   const int gsMethodCount = sizeof(gsNativeMethods) / sizeof(JNINativeMethod);

   bool success = false;
   jclass clazz = env->FindClass(jenny_u8cast(FULL_CLASS_NAME));
   if (clazz != nullptr) {
       success = !env->RegisterNatives(clazz, gsNativeMethods, gsMethodCount);
       env->DeleteLocalRef(clazz);
   }
   return success;
#undef jenny_u8cast
}

} // endof namespace NativeDrawable