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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/RemoveCSSPropertyCommand.h" | |
28 | |
29 #include "bindings/core/v8/ExceptionStatePlaceholder.h" | |
30 #include "core/css/CSSStyleDeclaration.h" | |
31 #include "core/css/StylePropertySet.h" | |
32 #include "core/dom/Element.h" | |
33 #include "wtf/Assertions.h" | |
34 | |
35 namespace blink { | |
36 | |
37 RemoveCSSPropertyCommand::RemoveCSSPropertyCommand(Document& document, PassRefPt
rWillBeRawPtr<Element> element, CSSPropertyID property) | |
38 : SimpleEditCommand(document) | |
39 , m_element(element) | |
40 , m_property(property) | |
41 , m_important(false) | |
42 { | |
43 ASSERT(m_element); | |
44 } | |
45 | |
46 RemoveCSSPropertyCommand::~RemoveCSSPropertyCommand() | |
47 { | |
48 } | |
49 | |
50 void RemoveCSSPropertyCommand::doApply() | |
51 { | |
52 const StylePropertySet* style = m_element->inlineStyle(); | |
53 if (!style) | |
54 return; | |
55 | |
56 m_oldValue = style->getPropertyValue(m_property); | |
57 m_important = style->propertyIsImportant(m_property); | |
58 | |
59 // Mutate using the CSSOM wrapper so we get the same event behavior as a scr
ipt. | |
60 // Setting to null string removes the property. We don't have internal versi
on of removeProperty. | |
61 m_element->style()->setPropertyInternal(m_property, String(), false, IGNORE_
EXCEPTION); | |
62 } | |
63 | |
64 void RemoveCSSPropertyCommand::doUnapply() | |
65 { | |
66 m_element->style()->setPropertyInternal(m_property, m_oldValue, m_important,
IGNORE_EXCEPTION); | |
67 } | |
68 | |
69 DEFINE_TRACE(RemoveCSSPropertyCommand) | |
70 { | |
71 visitor->trace(m_element); | |
72 SimpleEditCommand::trace(visitor); | |
73 } | |
74 | |
75 } // namespace blink | |
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