1/* 2 * Copyright (c) 2009 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "ReplaceNodeWithSpanCommand.h" 33 34#include "htmlediting.h" 35#include "HTMLElement.h" 36#include "HTMLNames.h" 37 38#include <wtf/Assertions.h> 39 40namespace WebCore { 41 42using namespace HTMLNames; 43 44ReplaceNodeWithSpanCommand::ReplaceNodeWithSpanCommand(PassRefPtr<HTMLElement> element) 45 : SimpleEditCommand(element->document()) 46 , m_elementToReplace(element) 47{ 48 ASSERT(m_elementToReplace); 49} 50 51static void swapInNodePreservingAttributesAndChildren(HTMLElement* newNode, HTMLElement* nodeToReplace) 52{ 53 ASSERT(nodeToReplace->inDocument()); 54 ExceptionCode ec = 0; 55 ContainerNode* parentNode = nodeToReplace->parentNode(); 56 parentNode->insertBefore(newNode, nodeToReplace, ec); 57 ASSERT(!ec); 58 59 RefPtr<Node> nextChild; 60 for (Node* child = nodeToReplace->firstChild(); child; child = nextChild.get()) { 61 nextChild = child->nextSibling(); 62 newNode->appendChild(child, ec); 63 ASSERT(!ec); 64 } 65 66 newNode->attributes()->setAttributes(*nodeToReplace->attributes()); 67 68 parentNode->removeChild(nodeToReplace, ec); 69 ASSERT(!ec); 70} 71 72void ReplaceNodeWithSpanCommand::doApply() 73{ 74 if (!m_elementToReplace->inDocument()) 75 return; 76 if (!m_spanElement) 77 m_spanElement = createHTMLElement(m_elementToReplace->document(), spanTag); 78 swapInNodePreservingAttributesAndChildren(m_spanElement.get(), m_elementToReplace.get()); 79} 80 81void ReplaceNodeWithSpanCommand::doUnapply() 82{ 83 if (!m_spanElement->inDocument()) 84 return; 85 swapInNodePreservingAttributesAndChildren(m_elementToReplace.get(), m_spanElement.get()); 86} 87 88} // namespace WebCore 89