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      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:
     24     ScopedLocalFrame(JNIEnv* env) : mEnv(env) {
     25         mEnv->PushLocalFrame(128);
     26     }
     27 
     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