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 "WrapContentsInDummySpanCommand.h"
28
29#include "ApplyStyleCommand.h"
30#include "ExceptionCodePlaceholder.h"
31
32namespace WebCore {
33
34WrapContentsInDummySpanCommand::WrapContentsInDummySpanCommand(PassRefPtr<Element> element)
35    : SimpleEditCommand(element->document())
36    , m_element(element)
37{
38    ASSERT(m_element);
39}
40
41void WrapContentsInDummySpanCommand::executeApply()
42{
43    Vector<RefPtr<Node>> children;
44    for (Node* child = m_element->firstChild(); child; child = child->nextSibling())
45        children.append(child);
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    Vector<RefPtr<Node>> children;
69    for (Node* child = m_dummySpan->firstChild(); child; child = child->nextSibling())
70        children.append(child);
71
72    size_t size = children.size();
73    for (size_t i = 0; i < size; ++i)
74        m_element->appendChild(children[i].release(), IGNORE_EXCEPTION);
75
76    m_dummySpan->remove(IGNORE_EXCEPTION);
77}
78
79void WrapContentsInDummySpanCommand::doReapply()
80{
81    ASSERT(m_element);
82
83    if (!m_dummySpan || !m_element->hasEditableStyle())
84        return;
85
86    executeApply();
87}
88
89#ifndef NDEBUG
90void WrapContentsInDummySpanCommand::getNodesInCommand(HashSet<Node*>& nodes)
91{
92    addNodeAndDescendants(m_element.get(), nodes);
93    addNodeAndDescendants(m_dummySpan.get(), nodes);
94}
95#endif
96
97} // namespace WebCore
98