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 "SetNodeAttributeCommand.h" 28 29#include "Element.h" 30#include <wtf/Assertions.h> 31 32namespace WebCore { 33 34SetNodeAttributeCommand::SetNodeAttributeCommand(PassRefPtr<Element> element, const QualifiedName& attribute, const AtomicString& value) 35 : SimpleEditCommand(element->document()) 36 , m_element(element) 37 , m_attribute(attribute) 38 , m_value(value) 39{ 40 ASSERT(m_element); 41} 42 43void SetNodeAttributeCommand::doApply() 44{ 45 m_oldValue = m_element->getAttribute(m_attribute); 46 m_element->setAttribute(m_attribute, m_value); 47} 48 49void SetNodeAttributeCommand::doUnapply() 50{ 51 m_element->setAttribute(m_attribute, m_oldValue); 52 AtomicStringImpl* nullString = 0; 53 m_oldValue = nullString; 54} 55 56#ifndef NDEBUG 57void SetNodeAttributeCommand::getNodesInCommand(HashSet<Node*>& nodes) 58{ 59 addNodeAndDescendants(m_element.get(), nodes); 60} 61#endif 62 63} // namespace WebCore 64