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 "WrapContentsInDummySpanCommand.h"
28
29#include "ApplyStyleCommand.h"
30#include "ExceptionCodePlaceholder.h"
31#include "HTMLElement.h"
32
33namespace WebCore {
34
35WrapContentsInDummySpanCommand::WrapContentsInDummySpanCommand(PassRefPtr<Element> element)
36    : SimpleEditCommand(element->document())
37    , m_element(element)
38{
39    ASSERT(m_element);
40}
41
42void WrapContentsInDummySpanCommand::executeApply()
43{
44    Vector<RefPtr<Node> > children;
45    for (Node* child = m_element->firstChild(); child; child = child->nextSibling())
46        children.append(child);
47
48    size_t size = children.size();
49    for (size_t i = 0; i < size; ++i)
50        m_dummySpan->appendChild(children[i].release(), IGNORE_EXCEPTION);
51
52    m_element->appendChild(m_dummySpan.get(), IGNORE_EXCEPTION);
53}
54
55void WrapContentsInDummySpanCommand::doApply()
56{
57    m_dummySpan = createStyleSpanElement(document());
58
59    executeApply();
60}
61
62void WrapContentsInDummySpanCommand::doUnapply()
63{
64    ASSERT(m_element);
65
66    if (!m_dummySpan || !m_element->rendererIsEditable())
67        return;
68
69    Vector<RefPtr<Node> > children;
70    for (Node* child = m_dummySpan->firstChild(); child; child = child->nextSibling())
71        children.append(child);
72
73    size_t size = children.size();
74    for (size_t i = 0; i < size; ++i)
75        m_element->appendChild(children[i].release(), IGNORE_EXCEPTION);
76
77    m_dummySpan->remove(IGNORE_EXCEPTION);
78}
79
80void WrapContentsInDummySpanCommand::doReapply()
81{
82    ASSERT(m_element);
83
84    if (!m_dummySpan || !m_element->rendererIsEditable())
85        return;
86
87    executeApply();
88}
89
90#ifndef NDEBUG
91void WrapContentsInDummySpanCommand::getNodesInCommand(HashSet<Node*>& nodes)
92{
93    addNodeAndDescendants(m_element.get(), nodes);
94    addNodeAndDescendants(m_dummySpan.get(), nodes);
95}
96#endif
97
98} // namespace WebCore
99