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      1 /*
      2  * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
      3  * Copyright 2011, The Android Open Source Project
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef JobjectWrapper_h
     28 #define JobjectWrapper_h
     29 
     30 #if ENABLE(JAVA_BRIDGE)
     31 
     32 #include "JNIUtility.h"
     33 
     34 namespace JSC {
     35 
     36 namespace Bindings {
     37 
     38 class JobjectWrapper {
     39 friend class JavaArray;
     40 friend class JavaField;
     41 friend class JavaFieldJobject;
     42 friend class JavaInstance;
     43 friend class JavaInstanceJobject;
     44 
     45 public:
     46     jobject instance() const { return m_instance; }
     47     void setInstance(jobject instance) { m_instance = instance; }
     48 
     49     void ref() { m_refCount++; }
     50     void deref()
     51     {
     52         if (!--m_refCount)
     53             delete this;
     54     }
     55 
     56 protected:
     57     JobjectWrapper(jobject);
     58     ~JobjectWrapper();
     59 
     60     jobject m_instance;
     61 
     62 private:
     63     JNIEnv* m_env;
     64     unsigned int m_refCount;
     65 };
     66 
     67 } // namespace Bindings
     68 
     69 } // namespace JSC
     70 
     71 #endif // ENABLE(JAVA_BRIDGE)
     72 
     73 #endif // JobjectWrapper_h
     74