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      1 /*
      2  * Copyright (C) 2003, 2008, 2010 Apple 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 #include "config.h"
     28 #include "JobjectWrapper.h"
     29 
     30 #if ENABLE(JAVA_BRIDGE)
     31 
     32 #include <assert.h>
     33 
     34 using namespace JSC::Bindings;
     35 
     36 JobjectWrapper::JobjectWrapper(jobject instance)
     37     : m_refCount(0)
     38 {
     39     assert(instance);
     40 
     41     // Cache the JNIEnv used to get the global ref for this java instanace.
     42     // It'll be used to delete the reference.
     43     m_env = getJNIEnv();
     44 
     45     m_instance = m_env->NewGlobalRef(instance);
     46 
     47     if (!m_instance)
     48         LOG_ERROR("Could not get GlobalRef for %p", instance);
     49 }
     50 
     51 JobjectWrapper::~JobjectWrapper()
     52 {
     53     m_env->DeleteGlobalRef(m_instance);
     54 }
     55 
     56 #endif // ENABLE(JAVA_BRIDGE)
     57