1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SRC_ANDROID_SDK_NATIVEHELPER_SCOPED_LOCAL_FRAME_H_ 18 #define SRC_ANDROID_SDK_NATIVEHELPER_SCOPED_LOCAL_FRAME_H_ 19 20 // Copied from 21 // https://cs.android.com/android/platform/superproject/main/+/main:libnativehelper/header_only_include/nativehelper/scoped_local_frame.h;drc=4be05051ef76b2c24d8385732a892401eb45d911 22 23 #include <jni.h> 24 25 #include "src/android_sdk/nativehelper/nativehelper_utils.h" 26 27 class ScopedLocalFrame { 28 public: ScopedLocalFrame(JNIEnv * env)29 explicit ScopedLocalFrame(JNIEnv* env) : mEnv(env) { 30 mEnv->PushLocalFrame(128); 31 } 32 ~ScopedLocalFrame()33 ~ScopedLocalFrame() { mEnv->PopLocalFrame(nullptr); } 34 35 private: 36 JNIEnv* const mEnv; 37 38 DISALLOW_COPY_AND_ASSIGN(ScopedLocalFrame); 39 }; 40 41 #endif // SRC_ANDROID_SDK_NATIVEHELPER_SCOPED_LOCAL_FRAME_H_ 42