1 /*
2  * Copyright (C) 2011 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  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "third_party/blink/renderer/core/html/shadow/details_marker_control.h"
32 
33 #include "third_party/blink/renderer/core/html/html_summary_element.h"
34 #include "third_party/blink/renderer/core/layout/layout_details_marker.h"
35 
36 namespace blink {
37 
DetailsMarkerControl(Document & document)38 DetailsMarkerControl::DetailsMarkerControl(Document& document)
39     : HTMLDivElement(document) {
40   SetShadowPseudoId(AtomicString("-webkit-details-marker"));
41 }
42 
CreateLayoutObject(const ComputedStyle &,LegacyLayout)43 LayoutObject* DetailsMarkerControl::CreateLayoutObject(const ComputedStyle&,
44                                                        LegacyLayout) {
45   return new LayoutDetailsMarker(this);
46 }
47 
LayoutObjectIsNeeded(const ComputedStyle & style) const48 bool DetailsMarkerControl::LayoutObjectIsNeeded(
49     const ComputedStyle& style) const {
50   return SummaryElement()->IsMainSummary() &&
51          HTMLDivElement::LayoutObjectIsNeeded(style);
52 }
53 
SummaryElement() const54 HTMLSummaryElement* DetailsMarkerControl::SummaryElement() const {
55   return To<HTMLSummaryElement>(OwnerShadowHost());
56 }
57 
58 }  // namespace blink
59