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/WrapContentsInDummySpanCommand.h"
28
29#include "bindings/core/v8/ExceptionStatePlaceholder.h"
30#include "core/editing/ApplyStyleCommand.h"
31#include "core/html/HTMLSpanElement.h"
32
33namespace blink {
34
35WrapContentsInDummySpanCommand::WrapContentsInDummySpanCommand(PassRefPtrWillBeRawPtr<Element> element)
36    : SimpleEditCommand(element->document())
37    , m_element(element)
38{
39    ASSERT(m_element);
40}
41
42void WrapContentsInDummySpanCommand::executeApply()
43{
44    NodeVector children;
45    getChildNodes(*m_element, children);
46
47    size_t size = children.size();
48    for (size_t i = 0; i < size; ++i)
49        m_dummySpan->appendChild(children[i].release(), IGNORE_EXCEPTION);
50
51    m_element->appendChild(m_dummySpan.get(), IGNORE_EXCEPTION);
52}
53
54void WrapContentsInDummySpanCommand::doApply()
55{
56    m_dummySpan = createStyleSpanElement(document());
57
58    executeApply();
59}
60
61void WrapContentsInDummySpanCommand::doUnapply()
62{
63    ASSERT(m_element);
64
65    if (!m_dummySpan || !m_element->hasEditableStyle())
66        return;
67
68    NodeVector children;
69    getChildNodes(*m_dummySpan, children);
70
71    size_t size = children.size();
72    for (size_t i = 0; i < size; ++i)
73        m_element->appendChild(children[i].release(), IGNORE_EXCEPTION);
74
75    m_dummySpan->remove(IGNORE_EXCEPTION);
76}
77
78void WrapContentsInDummySpanCommand::doReapply()
79{
80    ASSERT(m_element);
81
82    if (!m_dummySpan || !m_element->hasEditableStyle())
83        return;
84
85    executeApply();
86}
87
88void WrapContentsInDummySpanCommand::trace(Visitor* visitor)
89{
90    visitor->trace(m_element);
91    visitor->trace(m_dummySpan);
92    SimpleEditCommand::trace(visitor);
93}
94
95} // namespace blink
96