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 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 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 "Document.h"
30#include "Editing.h"
31#include "RenderElement.h"
32#include "Text.h"
33
34namespace WebCore {
35
36InsertNodeBeforeCommand::InsertNodeBeforeCommand(Ref<Node>&& insertChild, Node& refChild, ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable, EditAction editingAction)
37 : SimpleEditCommand(refChild.document(), editingAction)
38 , m_insertChild(WTFMove(insertChild))
39 , m_refChild(refChild)
40 , m_shouldAssumeContentIsAlwaysEditable(shouldAssumeContentIsAlwaysEditable)
41{
42 ASSERT(!m_insertChild->parentNode());
43 ASSERT(m_refChild->parentNode());
44
45 ASSERT(m_refChild->parentNode()->hasEditableStyle() || !m_refChild->parentNode()->renderer());
46}
47
48void InsertNodeBeforeCommand::doApply()
49{
50 ContainerNode* parent = m_refChild->parentNode();
51 if (!parent || (m_shouldAssumeContentIsAlwaysEditable == DoNotAssumeContentIsAlwaysEditable && !isEditableNode(*parent)))
52 return;
53 ASSERT(isEditableNode(*parent));
54
55 parent->insertBefore(m_insertChild, m_refChild.ptr());
56}
57
58void InsertNodeBeforeCommand::doUnapply()
59{
60 if (!isEditableNode(m_insertChild))
61 return;
62
63 m_insertChild->remove();
64}
65
66#ifndef NDEBUG
67void InsertNodeBeforeCommand::getNodesInCommand(HashSet<Node*>& nodes)
68{
69 addNodeAndDescendants(m_insertChild.ptr(), nodes);
70 addNodeAndDescendants(m_refChild.ptr(), nodes);
71}
72#endif
73
74}
75