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/RemoveNodeCommand.h" 28 29 #include "bindings/core/v8/ExceptionStatePlaceholder.h" 30 #include "core/dom/Node.h" 31 #include "wtf/Assertions.h" 32 33 namespace blink { 34 35 RemoveNodeCommand::RemoveNodeCommand(PassRefPtrWillBeRawPtr<Node> node, ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable) 36 : SimpleEditCommand(node->document()) 37 , m_node(node) 38 , m_shouldAssumeContentIsAlwaysEditable(shouldAssumeContentIsAlwaysEditable) 39 { 40 ASSERT(m_node); 41 ASSERT(m_node->parentNode()); 42 } 43 44 void RemoveNodeCommand::doApply() 45 { 46 ContainerNode* parent = m_node->parentNode(); 47 if (!parent || (m_shouldAssumeContentIsAlwaysEditable == DoNotAssumeContentIsAlwaysEditable 48 && !parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable) && parent->inActiveDocument())) 49 return; 50 ASSERT(parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable) || !parent->inActiveDocument()); 51 52 m_parent = parent; 53 m_refChild = m_node->nextSibling(); 54 55 m_node->remove(IGNORE_EXCEPTION); 56 } 57 58 void RemoveNodeCommand::doUnapply() 59 { 60 RefPtrWillBeRawPtr<ContainerNode> parent = m_parent.release(); 61 RefPtrWillBeRawPtr<Node> refChild = m_refChild.release(); 62 if (!parent || !parent->hasEditableStyle()) 63 return; 64 65 parent->insertBefore(m_node.get(), refChild.get(), IGNORE_EXCEPTION); 66 } 67 68 void RemoveNodeCommand::trace(Visitor* visitor) 69 { 70 visitor->trace(m_node); 71 visitor->trace(m_parent); 72 visitor->trace(m_refChild); 73 SimpleEditCommand::trace(visitor); 74 } 75 76 } 77