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 COMPUTER, 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 COMPUTER, 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 "core/editing/SplitTextNodeContainingElementCommand.h"
28
29#include "core/dom/Element.h"
30#include "core/dom/Text.h"
31#include "core/rendering/RenderObject.h"
32#include "wtf/Assertions.h"
33
34namespace blink {
35
36SplitTextNodeContainingElementCommand::SplitTextNodeContainingElementCommand(PassRefPtrWillBeRawPtr<Text> text, int offset)
37    : CompositeEditCommand(text->document()), m_text(text), m_offset(offset)
38{
39    ASSERT(m_text);
40    ASSERT(m_text->length() > 0);
41}
42
43void SplitTextNodeContainingElementCommand::doApply()
44{
45    ASSERT(m_text);
46    ASSERT(m_offset > 0);
47
48    splitTextNode(m_text.get(), m_offset);
49
50    Element* parent = m_text->parentElement();
51    if (!parent || !parent->parentElement() || !parent->parentElement()->hasEditableStyle())
52        return;
53
54    RenderObject* parentRenderer = parent->renderer();
55    if (!parentRenderer || !parentRenderer->isInline()) {
56        wrapContentsInDummySpan(parent);
57        Node* firstChild = parent->firstChild();
58        if (!firstChild || !firstChild->isElementNode())
59            return;
60        parent = toElement(firstChild);
61    }
62
63    splitElement(parent, m_text.get());
64}
65
66void SplitTextNodeContainingElementCommand::trace(Visitor* visitor)
67{
68    visitor->trace(m_text);
69    CompositeEditCommand::trace(visitor);
70}
71
72}
73