Home | History | Annotate | Download | only in minikin 
      1 /*
      2  * Copyright (C) 2014 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 // Base class for reference counted objects in Minikin
     18 
     19 #ifndef MINIKIN_REF_COUNTED_H
     20 #define MINIKIN_REF_COUNTED_H
     21 
     22 namespace android {
     23 
     24 class MinikinRefCounted {
     25 public:
     26     void RefLocked() { mRefcount_++; }
     27     void UnrefLocked() { if (--mRefcount_ == 0) { delete this; } }
     28 
     29     // These refcount operations take the global lock.
     30     void Ref();
     31     void Unref();
     32 
     33     MinikinRefCounted() : mRefcount_(1) { }
     34 
     35     virtual ~MinikinRefCounted() { };
     36 private:
     37     int mRefcount_;
     38 };
     39 
     40 }
     41 
     42 #endif   // MINIKIN_REF_COUNTED_H