Source/WebCore/bridge/jni/JobjectWrapper.h

/*
 * Copyright (C) 2003 Apple Computer, 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
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef JobjectWrapper_h
#define JobjectWrapper_h

#if ENABLE(JAVA_BRIDGE)

#include "JNIUtility.h"

namespace JSC {

namespace Bindings {

class JobjectWrapper {
friend class JavaArray;
friend class JavaField;
friend class JavaFieldJobject;
friend class JavaInstance;
friend class JavaInstanceJobject;

public:
    jobject instance() const { return m_instance; }
    void setInstance(jobject instance) { m_instance = instance; }

    void ref() { m_refCount++; }
    void deref()
    {
        if (!--m_refCount)
            delete this;
    }

protected:
    JobjectWrapper(jobject);
    ~JobjectWrapper();

    jobject m_instance;

private:
    JNIEnv* m_env;
    unsigned int m_refCount;
};

} // namespace Bindings

} // namespace JSC

#endif // ENABLE(JAVA_BRIDGE)

#endif // JobjectWrapper_h