1/*
2 * Copyright (C) 2012 Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Neither the name of Google Inc. nor the names of its
11 * contributors may be used to endorse or promote products derived from
12 * this software without specific prior written permission.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include "Element.h"
30#include <wtf/Forward.h>
31
32namespace WebCore {
33
34class PseudoElement final : public Element {
35 WTF_MAKE_ISO_ALLOCATED(PseudoElement);
36public:
37 static Ref<PseudoElement> create(Element& host, PseudoId);
38 virtual ~PseudoElement();
39
40 Element* hostElement() const { return m_hostElement; }
41 void clearHostElement();
42
43 bool rendererIsNeeded(const RenderStyle&) override;
44
45 bool canStartSelection() const override { return false; }
46 bool canContainRangeEndPoint() const override { return false; }
47
48 static String pseudoElementNameForEvents(PseudoId);
49
50private:
51 PseudoElement(Element&, PseudoId);
52
53 PseudoId customPseudoId() const override { return m_pseudoId; }
54
55 Element* m_hostElement;
56 PseudoId m_pseudoId;
57};
58
59const QualifiedName& pseudoElementTagName();
60
61} // namespace WebCore
62
63SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::PseudoElement)
64 static bool isType(const WebCore::Node& node) { return node.isPseudoElement(); }
65SPECIALIZE_TYPE_TRAITS_END()
66