1/*
2 * Copyright (c) 2009 Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "ReplaceNodeWithSpanCommand.h"
33
34#include "Editing.h"
35#include "HTMLSpanElement.h"
36
37namespace WebCore {
38
39ReplaceNodeWithSpanCommand::ReplaceNodeWithSpanCommand(Ref<HTMLElement>&& element)
40 : SimpleEditCommand(element->document())
41 , m_elementToReplace(WTFMove(element))
42{
43}
44
45static void swapInNodePreservingAttributesAndChildren(HTMLElement& newNode, HTMLElement& nodeToReplace)
46{
47 ASSERT(nodeToReplace.isConnected());
48 RefPtr<ContainerNode> parentNode = nodeToReplace.parentNode();
49
50 // FIXME: Fix this to send the proper MutationRecords when MutationObservers are present.
51 newNode.cloneDataFromElement(nodeToReplace);
52 auto children = collectChildNodes(nodeToReplace);
53 for (auto& child : children)
54 newNode.appendChild(child);
55
56 parentNode->insertBefore(newNode, &nodeToReplace);
57 parentNode->removeChild(nodeToReplace);
58}
59
60void ReplaceNodeWithSpanCommand::doApply()
61{
62 if (!m_elementToReplace->isConnected())
63 return;
64 if (!m_spanElement)
65 m_spanElement = HTMLSpanElement::create(m_elementToReplace->document());
66 swapInNodePreservingAttributesAndChildren(*m_spanElement, m_elementToReplace);
67}
68
69void ReplaceNodeWithSpanCommand::doUnapply()
70{
71 if (!m_spanElement->isConnected())
72 return;
73 swapInNodePreservingAttributesAndChildren(m_elementToReplace, *m_spanElement);
74}
75
76#ifndef NDEBUG
77void ReplaceNodeWithSpanCommand::getNodesInCommand(HashSet<Node*>& nodes)
78{
79 addNodeAndDescendants(m_elementToReplace.ptr(), nodes);
80 addNodeAndDescendants(m_spanElement.get(), nodes);
81}
82#endif
83
84} // namespace WebCore
85