Source/WebCore/bridge/jni/JobjectWrapper.cpp

/*
 * Copyright (C) 2003, 2008, 2010 Apple Inc. All rights reserved.
 * Copyright 2011, The Android Open Source Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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 */

#include "config.h"
#include "JobjectWrapper.h"

#if ENABLE(JAVA_BRIDGE)

#include <assert.h>

using namespace JSC::Bindings;

JobjectWrapper::JobjectWrapper(jobject instance)
    : m_refCount(0)
{
    assert(instance);

    // Cache the JNIEnv used to get the global ref for this java instanace.
    // It'll be used to delete the reference.
    m_env = getJNIEnv();

    m_instance = m_env->NewGlobalRef(instance);

    if (!m_instance)
        LOG_ERROR("Could not get GlobalRef for %p", instance);
}

JobjectWrapper::~JobjectWrapper()
{
    m_env->DeleteGlobalRef(m_instance);
}

#endif // ENABLE(JAVA_BRIDGE)