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     explicit ScopedLocalFrame(JNIEnv* env) : mEnv(env) {
25         mEnv->PushLocalFrame(128);
26     }
27 
~ScopedLocalFrame()28     ~ScopedLocalFrame() {
29         mEnv->PopLocalFrame(NULL);
30     }
31 
32 private:
33     JNIEnv* const mEnv;
34 
35     DISALLOW_COPY_AND_ASSIGN(ScopedLocalFrame);
36 };
37 
38 #endif  // SCOPED_LOCAL_FRAME_H_included
39