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 "htmlediting.h"
35 #include "HTMLElement.h"
36 #include "HTMLNames.h"
37
38 #include <wtf/Assertions.h>
39
40 namespace WebCore {
41
42 using namespace HTMLNames;
43
ReplaceNodeWithSpanCommand(PassRefPtr<HTMLElement> element)44 ReplaceNodeWithSpanCommand::ReplaceNodeWithSpanCommand(PassRefPtr<HTMLElement> element)
45 : SimpleEditCommand(element->document())
46 , m_elementToReplace(element)
47 {
48 ASSERT(m_elementToReplace);
49 }
50
swapInNodePreservingAttributesAndChildren(HTMLElement * newNode,HTMLElement * nodeToReplace)51 static void swapInNodePreservingAttributesAndChildren(HTMLElement* newNode, HTMLElement* nodeToReplace)
52 {
53 ASSERT(nodeToReplace->inDocument());
54 ExceptionCode ec = 0;
55 ContainerNode* parentNode = nodeToReplace->parentNode();
56 parentNode->insertBefore(newNode, nodeToReplace, ec);
57 ASSERT(!ec);
58
59 RefPtr<Node> nextChild;
60 for (Node* child = nodeToReplace->firstChild(); child; child = nextChild.get()) {
61 nextChild = child->nextSibling();
62 newNode->appendChild(child, ec);
63 ASSERT(!ec);
64 }
65
66 newNode->attributes()->setAttributes(*nodeToReplace->attributes());
67
68 parentNode->removeChild(nodeToReplace, ec);
69 ASSERT(!ec);
70 }
71
doApply()72 void ReplaceNodeWithSpanCommand::doApply()
73 {
74 if (!m_elementToReplace->inDocument())
75 return;
76 if (!m_spanElement)
77 m_spanElement = createHTMLElement(m_elementToReplace->document(), spanTag);
78 swapInNodePreservingAttributesAndChildren(m_spanElement.get(), m_elementToReplace.get());
79 }
80
doUnapply()81 void ReplaceNodeWithSpanCommand::doUnapply()
82 {
83 if (!m_spanElement->inDocument())
84 return;
85 swapInNodePreservingAttributesAndChildren(m_elementToReplace.get(), m_spanElement.get());
86 }
87
88 } // namespace WebCore
89