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 "RemoveNodeCommand.h"
28 
29 #include "Node.h"
30 #include <wtf/Assertions.h>
31 
32 namespace WebCore {
33 
RemoveNodeCommand(PassRefPtr<Node> node)34 RemoveNodeCommand::RemoveNodeCommand(PassRefPtr<Node> node)
35     : SimpleEditCommand(node->document())
36     , m_node(node)
37 {
38     ASSERT(m_node);
39     ASSERT(m_node->parentNode());
40 }
41 
doApply()42 void RemoveNodeCommand::doApply()
43 {
44     ContainerNode* parent = m_node->parentNode();
45     if (!parent || !parent->rendererIsEditable())
46         return;
47 
48     m_parent = parent;
49     m_refChild = m_node->nextSibling();
50 
51     ExceptionCode ec;
52     m_node->remove(ec);
53 }
54 
doUnapply()55 void RemoveNodeCommand::doUnapply()
56 {
57     RefPtr<ContainerNode> parent = m_parent.release();
58     RefPtr<Node> refChild = m_refChild.release();
59     if (!parent || !parent->rendererIsEditable())
60         return;
61 
62     ExceptionCode ec;
63     parent->insertBefore(m_node.get(), refChild.get(), ec);
64 }
65 
66 }
67