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 "RemoveNodeCommand.h"
28
29#include "Editing.h"
30#include "RenderElement.h"
31#include <wtf/Assertions.h>
32
33namespace WebCore {
34
35RemoveNodeCommand::RemoveNodeCommand(Ref<Node>&& node, ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable, EditAction editingAction)
36 : SimpleEditCommand(node->document(), editingAction)
37 , m_node(WTFMove(node))
38 , m_shouldAssumeContentIsAlwaysEditable(shouldAssumeContentIsAlwaysEditable)
39{
40 ASSERT(m_node->parentNode());
41}
42
43void RemoveNodeCommand::doApply()
44{
45 ContainerNode* parent = m_node->parentNode();
46 if (!parent || (m_shouldAssumeContentIsAlwaysEditable == DoNotAssumeContentIsAlwaysEditable
47 && !isEditableNode(*parent) && parent->renderer()))
48 return;
49 ASSERT(isEditableNode(*parent) || !parent->renderer());
50
51 m_parent = parent;
52 m_refChild = m_node->nextSibling();
53
54 m_node->remove();
55}
56
57void RemoveNodeCommand::doUnapply()
58{
59 RefPtr<ContainerNode> parent = WTFMove(m_parent);
60 RefPtr<Node> refChild = WTFMove(m_refChild);
61 if (!parent || !parent->hasEditableStyle())
62 return;
63
64 parent->insertBefore(m_node, refChild.get());
65}
66
67#ifndef NDEBUG
68void RemoveNodeCommand::getNodesInCommand(HashSet<Node*>& nodes)
69{
70 addNodeAndDescendants(m_parent.get(), nodes);
71 addNodeAndDescendants(m_refChild.get(), nodes);
72 addNodeAndDescendants(m_node.ptr(), nodes);
73}
74#endif
75
76}
77