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 #pragma once 18 19 #include <jni.h> 20 21 #include "nativehelper_utils.h" 22 23 class ScopedLocalFrame { 24 public: ScopedLocalFrame(JNIEnv * env)25 explicit ScopedLocalFrame(JNIEnv* env) : mEnv(env) { 26 mEnv->PushLocalFrame(128); 27 } 28 ~ScopedLocalFrame()29 ~ScopedLocalFrame() { 30 mEnv->PopLocalFrame(nullptr); 31 } 32 33 private: 34 JNIEnv* const mEnv; 35 36 DISALLOW_COPY_AND_ASSIGN(ScopedLocalFrame); 37 }; 38 39