Source/WebCore/dom/PendingScript.cpp

/*
 * Copyright (C) 2010 Google, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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 APPLE INC. ``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 APPLE INC. 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 "PendingScript.h"

#include "CachedScript.h"
#include "Element.h"

namespace WebCore {

PendingScript::~PendingScript()
{
    if (m_cachedScript)
        m_cachedScript->removeClient(this);
}

PassRefPtr<Element> PendingScript::releaseElementAndClear()
{
    setCachedScript(0);
    m_watchingForLoad = false;
    m_startingPosition = TextPosition1::belowRangePosition();
    return m_element.release();
}

void PendingScript::setCachedScript(CachedScript* cachedScript)
{
    if (m_cachedScript == cachedScript)
        return;
    if (m_cachedScript)
        m_cachedScript->removeClient(this);
    m_cachedScript = cachedScript;
    if (m_cachedScript)
        m_cachedScript->addClient(this);
}

CachedScript* PendingScript::cachedScript() const
{
    return m_cachedScript.get();
}

void PendingScript::notifyFinished(CachedResource*)
{
}

}