Source/WebCore/editing/SplitTextNodeContainingElementCommand.cpp

/*
 * Copyright (C) 2005, 2008 Apple Inc. All rights reserved.
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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#include "config.h"
#include "SplitTextNodeContainingElementCommand.h"

#include "Element.h"
#include "RenderElement.h"
#include "Text.h"
#include <wtf/Assertions.h>

namespace WebCore {

SplitTextNodeContainingElementCommand::SplitTextNodeContainingElementCommand(Ref<Text>&& text, int offset)
    : CompositeEditCommand(text->document())
    , m_text(WTFMove(text))
    , m_offset(offset)
{
    ASSERT(m_text->length() > 0);
}

void SplitTextNodeContainingElementCommand::doApply()
{
    ASSERT(m_offset > 0);

    splitTextNode(m_text, m_offset);

    Element* parent = m_text->parentElement();
    if (!parent || !parent->parentElement() || !parent->parentElement()->hasEditableStyle())
        return;

    RenderElement* parentRenderer = parent->renderer();
    if (!parentRenderer || !parentRenderer->isInline()) {
        wrapContentsInDummySpan(*parent);
        Node* firstChild = parent->firstChild();
        if (!is<Element>(firstChild))
            return;
        parent = downcast<Element>(firstChild);
    }

    splitElement(*parent, m_text);
}

}