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 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 "AppendNodeCommand.h" 28 29#include "AXObjectCache.h" 30#include "Document.h" 31#include "ExceptionCodePlaceholder.h" 32#include "RenderElement.h" 33#include "htmlediting.h" 34 35namespace WebCore { 36 37AppendNodeCommand::AppendNodeCommand(PassRefPtr<ContainerNode> parent, PassRefPtr<Node> node) 38 : SimpleEditCommand(parent->document()) 39 , m_parent(parent) 40 , m_node(node) 41{ 42 ASSERT(m_parent); 43 ASSERT(m_node); 44 ASSERT(!m_node->parentNode()); 45 46 ASSERT(m_parent->hasEditableStyle() || !m_parent->renderer()); 47} 48 49static void sendAXTextChangedIgnoringLineBreaks(Node* node, AXObjectCache::AXTextChange textChange) 50{ 51 String nodeValue = node->nodeValue(); 52 // Don't consider linebreaks in this command 53 if (nodeValue == "\n") 54 return; 55 56 if (AXObjectCache* cache = node->document().existingAXObjectCache()) 57 cache->nodeTextChangeNotification(node, textChange, 0, nodeValue); 58} 59 60void AppendNodeCommand::doApply() 61{ 62 if (!m_parent->hasEditableStyle() && m_parent->renderer()) 63 return; 64 65 m_parent->appendChild(m_node.get(), IGNORE_EXCEPTION); 66 67 if (AXObjectCache::accessibilityEnabled()) 68 sendAXTextChangedIgnoringLineBreaks(m_node.get(), AXObjectCache::AXTextInserted); 69} 70 71void AppendNodeCommand::doUnapply() 72{ 73 if (!m_parent->hasEditableStyle()) 74 return; 75 76 // Need to notify this before actually deleting the text 77 if (AXObjectCache::accessibilityEnabled()) 78 sendAXTextChangedIgnoringLineBreaks(m_node.get(), AXObjectCache::AXTextDeleted); 79 80 m_node->remove(IGNORE_EXCEPTION); 81} 82 83#ifndef NDEBUG 84void AppendNodeCommand::getNodesInCommand(HashSet<Node*>& nodes) 85{ 86 addNodeAndDescendants(m_parent.get(), nodes); 87 addNodeAndDescendants(m_node.get(), nodes); 88} 89#endif 90 91} // namespace WebCore 92