/*

 * Copyright (C) 2005, 2008 Apple 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 COMPUTER, 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 COMPUTER, 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 "SplitTextNodeContainingElementCommand.h"

#include "Element.h"

#include "Text.h"

#include "RenderObject.h"

#include <wtf/Assertions.h>

namespace WebCore {

SplitTextNodeContainingElementCommand::SplitTextNodeContainingElementCommand(PassRefPtr<Text> text, int offset)

    : CompositeEditCommand(text->document()), m_text(text), m_offset(offset)

{

    ASSERT(m_text);

    ASSERT(m_text->length() > 0);

}

void SplitTextNodeContainingElementCommand::doApply()

{

    ASSERT(m_text);

    ASSERT(m_offset > 0);

    splitTextNode(m_text.get(), m_offset);

    Element* parent = m_text->parentElement();

    if (!parent)

        return;

    RenderObject* parentRenderer = parent->renderer();

    if (!parentRenderer || !parentRenderer->isInline()) {

        wrapContentsInDummySpan(parent);

        Node* firstChild = parent->firstChild();

        if (!firstChild || !firstChild->isElementNode())

            return;

        parent = static_cast<Element*>(firstChild);

    }

    splitElement(parent, m_text);

}

}