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 "InsertNodeBeforeCommand.h" 28 29#include "AXObjectCache.h" 30#include "Document.h" 31#include "ExceptionCodePlaceholder.h" 32#include "htmlediting.h" 33 34namespace WebCore { 35 36InsertNodeBeforeCommand::InsertNodeBeforeCommand(PassRefPtr<Node> insertChild, PassRefPtr<Node> refChild, 37 ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable) 38 : SimpleEditCommand(refChild->document()) 39 , m_insertChild(insertChild) 40 , m_refChild(refChild) 41 , m_shouldAssumeContentIsAlwaysEditable(shouldAssumeContentIsAlwaysEditable) 42{ 43 ASSERT(m_insertChild); 44 ASSERT(!m_insertChild->parentNode()); 45 ASSERT(m_refChild); 46 ASSERT(m_refChild->parentNode()); 47 48 ASSERT(m_refChild->parentNode()->rendererIsEditable() || !m_refChild->parentNode()->attached()); 49} 50 51void InsertNodeBeforeCommand::doApply() 52{ 53 ContainerNode* parent = m_refChild->parentNode(); 54 if (!parent || (m_shouldAssumeContentIsAlwaysEditable == DoNotAssumeContentIsAlwaysEditable && !parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable))) 55 return; 56 ASSERT(parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable)); 57 58 parent->insertBefore(m_insertChild.get(), m_refChild.get(), IGNORE_EXCEPTION, AttachLazily); 59 60 if (AXObjectCache* cache = document()->existingAXObjectCache()) 61 cache->nodeTextChangeNotification(m_insertChild.get(), AXObjectCache::AXTextInserted, 0, m_insertChild->nodeValue()); 62} 63 64void InsertNodeBeforeCommand::doUnapply() 65{ 66 if (!m_insertChild->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable)) 67 return; 68 69 // Need to notify this before actually deleting the text 70 if (AXObjectCache* cache = document()->existingAXObjectCache()) 71 cache->nodeTextChangeNotification(m_insertChild.get(), AXObjectCache::AXTextDeleted, 0, m_insertChild->nodeValue()); 72 73 m_insertChild->remove(IGNORE_EXCEPTION); 74} 75 76#ifndef NDEBUG 77void InsertNodeBeforeCommand::getNodesInCommand(HashSet<Node*>& nodes) 78{ 79 addNodeAndDescendants(m_insertChild.get(), nodes); 80 addNodeAndDescendants(m_refChild.get(), nodes); 81} 82#endif 83 84} 85