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 "core/editing/ReplaceNodeWithSpanCommand.h" 33 34 #include "HTMLNames.h" 35 #include "bindings/v8/ExceptionStatePlaceholder.h" 36 #include "core/editing/htmlediting.h" 37 #include "core/html/HTMLElement.h" 38 #include "wtf/Assertions.h" 39 40 namespace WebCore { 41 42 using namespace HTMLNames; 43 44 ReplaceNodeWithSpanCommand::ReplaceNodeWithSpanCommand(PassRefPtr<HTMLElement> element) 45 : SimpleEditCommand(element->document()) 46 , m_elementToReplace(element) 47 { 48 ASSERT(m_elementToReplace); 49 } 50 51 static void swapInNodePreservingAttributesAndChildren(HTMLElement* newNode, HTMLElement* nodeToReplace) 52 { 53 ASSERT(nodeToReplace->inDocument()); 54 RefPtr<ContainerNode> parentNode = nodeToReplace->parentNode(); 55 parentNode->insertBefore(newNode, nodeToReplace, ASSERT_NO_EXCEPTION); 56 57 NodeVector children; 58 getChildNodes(nodeToReplace, children); 59 for (size_t i = 0; i < children.size(); ++i) 60 newNode->appendChild(children[i], ASSERT_NO_EXCEPTION); 61 62 // FIXME: Fix this to send the proper MutationRecords when MutationObservers are present. 63 newNode->cloneDataFromElement(*nodeToReplace); 64 65 parentNode->removeChild(nodeToReplace, ASSERT_NO_EXCEPTION); 66 } 67 68 void ReplaceNodeWithSpanCommand::doApply() 69 { 70 if (!m_elementToReplace->inDocument()) 71 return; 72 if (!m_spanElement) 73 m_spanElement = createHTMLElement(m_elementToReplace->document(), spanTag); 74 swapInNodePreservingAttributesAndChildren(m_spanElement.get(), m_elementToReplace.get()); 75 } 76 77 void ReplaceNodeWithSpanCommand::doUnapply() 78 { 79 if (!m_spanElement->inDocument()) 80 return; 81 swapInNodePreservingAttributesAndChildren(m_elementToReplace.get(), m_spanElement.get()); 82 } 83 84 #ifndef NDEBUG 85 void ReplaceNodeWithSpanCommand::getNodesInCommand(HashSet<Node*>& nodes) 86 { 87 addNodeAndDescendants(m_elementToReplace.get(), nodes); 88 addNodeAndDescendants(m_spanElement.get(), nodes); 89 } 90 #endif 91 92 } // namespace WebCore 93