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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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