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 "InsertNodeBeforeCommand.h"
28
29#include "AXObjectCache.h"
30#include "htmlediting.h"
31
32namespace WebCore {
33
34InsertNodeBeforeCommand::InsertNodeBeforeCommand(PassRefPtr<Node> insertChild, PassRefPtr<Node> refChild)
35    : SimpleEditCommand(refChild->document())
36    , m_insertChild(insertChild)
37    , m_refChild(refChild)
38{
39    ASSERT(m_insertChild);
40    ASSERT(!m_insertChild->parentNode());
41    ASSERT(m_refChild);
42    ASSERT(m_refChild->parentNode());
43
44    ASSERT(m_refChild->parentNode()->rendererIsEditable() || !m_refChild->parentNode()->attached());
45}
46
47void InsertNodeBeforeCommand::doApply()
48{
49    ContainerNode* parent = m_refChild->parentNode();
50    if (!parent || !parent->rendererIsEditable())
51        return;
52
53    ExceptionCode ec;
54    parent->insertBefore(m_insertChild.get(), m_refChild.get(), ec);
55
56    if (AXObjectCache::accessibilityEnabled())
57        document()->axObjectCache()->nodeTextChangeNotification(m_insertChild->renderer(), AXObjectCache::AXTextInserted, 0, m_insertChild->nodeValue().length());
58}
59
60void InsertNodeBeforeCommand::doUnapply()
61{
62    if (!m_insertChild->rendererIsEditable())
63        return;
64
65    // Need to notify this before actually deleting the text
66    if (AXObjectCache::accessibilityEnabled())
67        document()->axObjectCache()->nodeTextChangeNotification(m_insertChild->renderer(), AXObjectCache::AXTextDeleted, 0, m_insertChild->nodeValue().length());
68
69    ExceptionCode ec;
70    m_insertChild->remove(ec);
71}
72
73}
74