1/*
2 * Copyright (C) 2005, 2008 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "SplitTextNodeContainingElementCommand.h"
28
29#include "Element.h"
30#include "RenderElement.h"
31#include "Text.h"
32#include <wtf/Assertions.h>
33
34namespace WebCore {
35
36SplitTextNodeContainingElementCommand::SplitTextNodeContainingElementCommand(PassRefPtr<Text> text, int offset)
37    : CompositeEditCommand(text->document())
38    , m_text(text)
39    , m_offset(offset)
40{
41    ASSERT(m_text);
42    ASSERT(m_text->length() > 0);
43}
44
45void SplitTextNodeContainingElementCommand::doApply()
46{
47    ASSERT(m_text);
48    ASSERT(m_offset > 0);
49
50    splitTextNode(m_text.get(), m_offset);
51
52    Element* parent = m_text->parentElement();
53    if (!parent || !parent->parentElement() || !parent->parentElement()->hasEditableStyle())
54        return;
55
56    RenderElement* parentRenderer = parent->renderer();
57    if (!parentRenderer || !parentRenderer->isInline()) {
58        wrapContentsInDummySpan(parent);
59        Node* firstChild = parent->firstChild();
60        if (!firstChild || !firstChild->isElementNode())
61            return;
62        parent = toElement(firstChild);
63    }
64
65    splitElement(parent, m_text);
66}
67
68}
69