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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/SetNodeAttributeCommand.h" | |
28 | |
29 #include "core/dom/Element.h" | |
30 #include "wtf/Assertions.h" | |
31 | |
32 namespace blink { | |
33 | |
34 SetNodeAttributeCommand::SetNodeAttributeCommand(PassRefPtrWillBeRawPtr<Element>
element, | |
35 const QualifiedName& attribute, const AtomicString& value) | |
36 : SimpleEditCommand(element->document()) | |
37 , m_element(element) | |
38 , m_attribute(attribute) | |
39 , m_value(value) | |
40 { | |
41 ASSERT(m_element); | |
42 } | |
43 | |
44 void SetNodeAttributeCommand::doApply() | |
45 { | |
46 m_oldValue = m_element->getAttribute(m_attribute); | |
47 m_element->setAttribute(m_attribute, m_value); | |
48 } | |
49 | |
50 void SetNodeAttributeCommand::doUnapply() | |
51 { | |
52 m_element->setAttribute(m_attribute, m_oldValue); | |
53 m_oldValue = nullAtom; | |
54 } | |
55 | |
56 DEFINE_TRACE(SetNodeAttributeCommand) | |
57 { | |
58 visitor->trace(m_element); | |
59 SimpleEditCommand::trace(visitor); | |
60 } | |
61 | |
62 } // namespace blink | |
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