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