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 "RemoveCSSPropertyCommand.h"
28
29 #include "CSSMutableStyleDeclaration.h"
30 #include <wtf/Assertions.h>
31
32 namespace WebCore {
33
RemoveCSSPropertyCommand(Document * document,PassRefPtr<StyledElement> element,CSSPropertyID property)34 RemoveCSSPropertyCommand::RemoveCSSPropertyCommand(Document* document, PassRefPtr<StyledElement> element, CSSPropertyID property)
35 : SimpleEditCommand(document)
36 , m_element(element)
37 , m_property(property)
38 , m_important(false)
39 {
40 ASSERT(m_element);
41 }
42
doApply()43 void RemoveCSSPropertyCommand::doApply()
44 {
45 CSSMutableStyleDeclaration* style = m_element->inlineStyleDecl();
46 m_oldValue = style->getPropertyValue(m_property);
47 m_important = style->getPropertyPriority(m_property);
48 style->removeProperty(m_property);
49 }
50
doUnapply()51 void RemoveCSSPropertyCommand::doUnapply()
52 {
53 CSSMutableStyleDeclaration* style = m_element->inlineStyleDecl();
54 style->setProperty(m_property, m_oldValue, m_important);
55 }
56
57 } // namespace WebCore
58