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,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "DetailsMarkerControl.h"
33
34 #include "HTMLNames.h"
35 #include "HTMLSummaryElement.h"
36 #include "RenderDetailsMarker.h"
37
38 namespace WebCore {
39
40 using namespace HTMLNames;
41
DetailsMarkerControl(Document * document)42 DetailsMarkerControl::DetailsMarkerControl(Document* document)
43 : HTMLDivElement(divTag, document)
44 {
45 }
46
createRenderer(RenderArena * arena,RenderStyle *)47 RenderObject* DetailsMarkerControl::createRenderer(RenderArena* arena, RenderStyle*)
48 {
49 return new (arena) RenderDetailsMarker(this);
50 }
51
rendererIsNeeded(RenderStyle * style)52 bool DetailsMarkerControl::rendererIsNeeded(RenderStyle* style)
53 {
54 return summaryElement()->isMainSummary() && HTMLDivElement::rendererIsNeeded(style);
55 }
56
shadowPseudoId() const57 const AtomicString& DetailsMarkerControl::shadowPseudoId() const
58 {
59 DEFINE_STATIC_LOCAL(AtomicString, pseudId, ("-webkit-details-marker"));
60 return pseudId;
61 }
62
summaryElement()63 HTMLSummaryElement* DetailsMarkerControl::summaryElement()
64 {
65 Node* node = this->shadowAncestorNode();
66 ASSERT(!node || toElement(node)->hasTagName(summaryTag));
67 return static_cast<HTMLSummaryElement*>(node);
68 }
69
70 }
71