/*
 * Copyright 2009, 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.
 */

#include "config.h"
#include "JavaSharedClient.h"
#include "SharedBuffer.h"
#include "SharedBufferStream.h"

using namespace android;

namespace WebCore {

    static void CallDeref(void* buffer) {
        ((SharedBuffer*)buffer)->deref();
    }

    SharedBufferStream::SharedBufferStream(SharedBuffer* buffer)
            : SkMemoryStream(buffer->data(), buffer->size(), false) {
        fBuffer = buffer;
        buffer->ref();
    }

    SharedBufferStream::~SharedBufferStream() {
        // we can't necessarily call fBuffer->deref() here, as we may be
        // in a different thread from webkit, and SharedBuffer is not
        // threadsafe. Therefore we defer it until it can be executed in the
        // webkit thread.
        JavaSharedClient::EnqueueFunctionPtr(CallDeref, fBuffer);
    }

}