samples/ndk-controllerpaint/src/main/jni/app_jni.cc

/*
 * Copyright 2017 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "app_jni.h"  // NOLINT

#include <memory>

#include "demoapp.h"  // NOLINT
#include "utils.h"  // NOLINT

namespace {
inline jlong jptr(DemoApp* ptr) { return reinterpret_cast<intptr_t>(ptr); }

inline DemoApp* ptr(jlong jptr) { return reinterpret_cast<DemoApp*>(jptr); }

}  // namespace

NATIVE_METHOD(jlong, nativeOnCreate)
(JNIEnv* env, jobject obj, jobject asset_mgr, jlong gvr_context_ptr) {
  return jptr(new DemoApp(env, asset_mgr, gvr_context_ptr));
}

NATIVE_METHOD(void, nativeOnResume)
(JNIEnv* env, jobject obj, jlong controller_paint_jptr) {
  ptr(controller_paint_jptr)->OnResume();
}

NATIVE_METHOD(void, nativeOnPause)
(JNIEnv* env, jobject obj, jlong controller_paint_jptr) {
  ptr(controller_paint_jptr)->OnPause();
}

NATIVE_METHOD(void, nativeOnSurfaceCreated)
(JNIEnv* env, jobject obj, jlong controller_paint_jptr) {
  ptr(controller_paint_jptr)->OnSurfaceCreated();
}

NATIVE_METHOD(void, nativeOnSurfaceChanged)
(JNIEnv* env, jobject obj, jint width, jint height,
 jlong controller_paint_jptr) {
  ptr(controller_paint_jptr)
      ->OnSurfaceChanged(static_cast<int>(width), static_cast<int>(height));
}

NATIVE_METHOD(void, nativeOnDrawFrame)
(JNIEnv* env, jobject obj, jlong controller_paint_jptr) {
  ptr(controller_paint_jptr)->OnDrawFrame();
}

NATIVE_METHOD(void, nativeOnDestroy)
(JNIEnv* env, jobject obj, jlong controller_paint_jptr) {
  delete ptr(controller_paint_jptr);
}