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 SCOPED_LOCAL_FRAME_H_included 18 #define SCOPED_LOCAL_FRAME_H_included 19 20 #include "JNIHelp.h" 21 22 class ScopedLocalFrame { 23 public: ScopedLocalFrame(JNIEnv * env)24 ScopedLocalFrame(JNIEnv* env) : mEnv(env) { 25 mEnv->PushLocalFrame(128); 26 } 27 ~ScopedLocalFrame()28 ~ScopedLocalFrame() { 29 mEnv->PopLocalFrame(NULL); 30 } 31 32 private: 33 JNIEnv* mEnv; 34 35 // Disallow copy and assignment. 36 ScopedLocalFrame(const ScopedLocalFrame&); 37 void operator=(const ScopedLocalFrame&); 38 }; 39 40 #endif // SCOPED_LOCAL_FRAME_H_included 41