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 "core/editing/InsertNodeBeforeCommand.h" 28 29 #include "bindings/v8/ExceptionStatePlaceholder.h" 30 #include "core/accessibility/AXObjectCache.h" 31 #include "core/dom/Document.h" 32 33 namespace WebCore { 34 35 InsertNodeBeforeCommand::InsertNodeBeforeCommand(PassRefPtr<Node> insertChild, PassRefPtr<Node> refChild, 36 ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable) 37 : SimpleEditCommand(refChild->document()) 38 , m_insertChild(insertChild) 39 , m_refChild(refChild) 40 , m_shouldAssumeContentIsAlwaysEditable(shouldAssumeContentIsAlwaysEditable) 41 { 42 ASSERT(m_insertChild); 43 ASSERT(!m_insertChild->parentNode()); 44 ASSERT(m_refChild); 45 ASSERT(m_refChild->parentNode()); 46 47 ASSERT(m_refChild->parentNode()->rendererIsEditable() || !m_refChild->parentNode()->attached()); 48 } 49 50 void InsertNodeBeforeCommand::doApply() 51 { 52 ContainerNode* parent = m_refChild->parentNode(); 53 if (!parent || (m_shouldAssumeContentIsAlwaysEditable == DoNotAssumeContentIsAlwaysEditable && !parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable))) 54 return; 55 ASSERT(parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable)); 56 57 parent->insertBefore(m_insertChild.get(), m_refChild.get(), IGNORE_EXCEPTION, AttachLazily); 58 59 if (AXObjectCache* cache = document()->existingAXObjectCache()) 60 cache->nodeTextChangeNotification(m_insertChild.get(), AXObjectCache::AXTextInserted, 0, m_insertChild->nodeValue()); 61 } 62 63 void InsertNodeBeforeCommand::doUnapply() 64 { 65 if (!m_insertChild->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable)) 66 return; 67 68 // Need to notify this before actually deleting the text 69 if (AXObjectCache* cache = document()->existingAXObjectCache()) 70 cache->nodeTextChangeNotification(m_insertChild.get(), AXObjectCache::AXTextDeleted, 0, m_insertChild->nodeValue()); 71 72 m_insertChild->remove(IGNORE_EXCEPTION); 73 } 74 75 #ifndef NDEBUG 76 void InsertNodeBeforeCommand::getNodesInCommand(HashSet<Node*>& nodes) 77 { 78 addNodeAndDescendants(m_insertChild.get(), nodes); 79 addNodeAndDescendants(m_refChild.get(), nodes); 80 } 81 #endif 82 83 } 84
