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/*
* 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 <android/asset_manager.h>
#include <android/asset_manager_jni.h>
#include <jni.h>
#include "hello_ar_application.h"
#define JNI_METHOD(return_type, method_name) \
JNIEXPORT return_type JNICALL \
Java_org_skia_arcore_JniInterface_##method_name
extern "C" {
namespace {
// maintain a reference to the JVM so we can use it later.
static JavaVM *g_vm = nullptr;
inline jlong jptr(hello_ar::HelloArApplication *native_hello_ar_application) {
return reinterpret_cast<intptr_t>(native_hello_ar_application);
}
inline hello_ar::HelloArApplication *native(jlong ptr) {
return reinterpret_cast<hello_ar::HelloArApplication *>(ptr);
}
} // namespace
jint JNI_OnLoad(JavaVM *vm, void *) {
g_vm = vm;
return JNI_VERSION_1_6;
}
JNI_METHOD(jlong, createNativeApplication)
(JNIEnv *env, jclass, jobject j_asset_manager) {
AAssetManager *asset_manager = AAssetManager_fromJava(env, j_asset_manager);
return jptr(new hello_ar::HelloArApplication(asset_manager));
}
JNI_METHOD(void, destroyNativeApplication)
(JNIEnv *, jclass, jlong native_application) {
delete native(native_application);
}
JNI_METHOD(void, onPause)
(JNIEnv *, jclass, jlong native_application) {
native(native_application)->OnPause();
}
JNI_METHOD(void, onResume)
(JNIEnv *env, jclass, jlong native_application, jobject context,
jobject activity) {
native(native_application)->OnResume(env, context, activity);
}
JNI_METHOD(void, onGlSurfaceCreated)
(JNIEnv *, jclass, jlong native_application) {
native(native_application)->OnSurfaceCreated();
}
JNI_METHOD(void, onDisplayGeometryChanged)
(JNIEnv *, jobject, jlong native_application, int display_rotation, int width,
int height) {
native(native_application)
->OnDisplayGeometryChanged(display_rotation, width, height);
}
JNI_METHOD(void, onObjectRotationChanged)
(JNIEnv *, jobject, jlong native_application, int rotation) {
native(native_application)
->OnObjectRotationChanged(rotation);
}
JNI_METHOD(void, onAction)
(JNIEnv *, jobject, jlong native_application, jfloat value) {
native(native_application)->OnAction(value);
}
JNI_METHOD(void, onGlSurfaceDrawFrame)
(JNIEnv *, jclass, jlong native_application) {
native(native_application)->OnDrawFrame();
}
JNI_METHOD(void, onTouchTranslate)
(JNIEnv *, jclass, jlong native_application, jfloat x, jfloat y) {
return native(native_application)->OnTouchTranslate(x, y);
}
JNI_METHOD(bool, onTouchedFirst)
(JNIEnv *, jclass, jlong native_application, jfloat x, jfloat y, int drawMode) {
return native(native_application)->OnTouchedFirst(x, y, drawMode);
}
JNI_METHOD(void, onTouchedFinal)
(JNIEnv *, jclass, jlong native_application, int type) {
native(native_application)->OnTouchedFinal(type);
}
JNI_METHOD(jboolean, hasDetectedPlanes)
(JNIEnv *, jclass, jlong native_application) {
return static_cast<jboolean>(
native(native_application)->HasDetectedPlanes() ? JNI_TRUE : JNI_FALSE);
}
JNIEnv *GetJniEnv() {
JNIEnv *env;
jint result = g_vm->AttachCurrentThread(&env, nullptr);
return result == JNI_OK ? env : nullptr;
}
jclass FindClass(const char *classname) {
JNIEnv *env = GetJniEnv();
return env->FindClass(classname);
}
} // extern "C"
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