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 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 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 "CSSStyleDeclaration.h" 30#include "ExceptionCodePlaceholder.h" 31#include "StyleProperties.h" 32#include "StyledElement.h" 33#include <wtf/Assertions.h> 34 35namespace WebCore { 36 37RemoveCSSPropertyCommand::RemoveCSSPropertyCommand(Document& document, PassRefPtr<StyledElement> 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 46RemoveCSSPropertyCommand::~RemoveCSSPropertyCommand() 47{ 48} 49 50void RemoveCSSPropertyCommand::doApply() 51{ 52 const StyleProperties* style = m_element->inlineStyle(); 53 m_oldValue = style->getPropertyValue(m_property); 54 m_important = style->propertyIsImportant(m_property); 55 56 // Mutate using the CSSOM wrapper so we get the same event behavior as a script. 57 // Setting to null string removes the property. We don't have internal version of removeProperty. 58 m_element->style()->setPropertyInternal(m_property, String(), false, IGNORE_EXCEPTION); 59} 60 61void RemoveCSSPropertyCommand::doUnapply() 62{ 63 m_element->style()->setPropertyInternal(m_property, m_oldValue, m_important, IGNORE_EXCEPTION); 64} 65 66#ifndef NDEBUG 67void RemoveCSSPropertyCommand::getNodesInCommand(HashSet<Node*>& nodes) 68{ 69 addNodeAndDescendants(m_element.get(), nodes); 70} 71#endif 72 73} // namespace WebCore 74