1/* 2 * Copyright (C) 2005, 2006, 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 "AppendNodeCommand.h" 28 29#include "AXObjectCache.h" 30#include "Document.h" 31#include "ExceptionCodePlaceholder.h" 32#include "htmlediting.h" 33 34namespace WebCore { 35 36AppendNodeCommand::AppendNodeCommand(PassRefPtr<ContainerNode> parent, PassRefPtr<Node> node) 37 : SimpleEditCommand(parent->document()) 38 , m_parent(parent) 39 , m_node(node) 40{ 41 ASSERT(m_parent); 42 ASSERT(m_node); 43 ASSERT(!m_node->parentNode()); 44 45 ASSERT(m_parent->rendererIsEditable() || !m_parent->attached()); 46} 47 48static void sendAXTextChangedIgnoringLineBreaks(Node* node, AXObjectCache::AXTextChange textChange) 49{ 50 String nodeValue = node->nodeValue(); 51 // Don't consider linebreaks in this command 52 if (nodeValue == "\n") 53 return; 54 55 if (AXObjectCache* cache = node->document()->existingAXObjectCache()) 56 cache->nodeTextChangeNotification(node, textChange, 0, nodeValue); 57} 58 59void AppendNodeCommand::doApply() 60{ 61 if (!m_parent->rendererIsEditable() && m_parent->attached()) 62 return; 63 64 m_parent->appendChild(m_node.get(), IGNORE_EXCEPTION, AttachLazily); 65 66 if (AXObjectCache::accessibilityEnabled()) 67 sendAXTextChangedIgnoringLineBreaks(m_node.get(), AXObjectCache::AXTextInserted); 68} 69 70void AppendNodeCommand::doUnapply() 71{ 72 if (!m_parent->rendererIsEditable()) 73 return; 74 75 // Need to notify this before actually deleting the text 76 if (AXObjectCache::accessibilityEnabled()) 77 sendAXTextChangedIgnoringLineBreaks(m_node.get(), AXObjectCache::AXTextDeleted); 78 79 m_node->remove(IGNORE_EXCEPTION); 80} 81 82#ifndef NDEBUG 83void AppendNodeCommand::getNodesInCommand(HashSet<Node*>& nodes) 84{ 85 addNodeAndDescendants(m_parent.get(), nodes); 86 addNodeAndDescendants(m_node.get(), nodes); 87} 88#endif 89 90} // namespace WebCore 91