1/*
2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
4 * Copyright (C) 2018 Apple Inc. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#include "config.h"
23#include "SVGSwitchElement.h"
24
25#include "ElementIterator.h"
26#include "RenderSVGTransformableContainer.h"
27#include "SVGNames.h"
28#include <wtf/IsoMallocInlines.h>
29
30namespace WebCore {
31
32WTF_MAKE_ISO_ALLOCATED_IMPL(SVGSwitchElement);
33
34inline SVGSwitchElement::SVGSwitchElement(const QualifiedName& tagName, Document& document)
35 : SVGGraphicsElement(tagName, document)
36 , SVGExternalResourcesRequired(this)
37{
38 ASSERT(hasTagName(SVGNames::switchTag));
39}
40
41Ref<SVGSwitchElement> SVGSwitchElement::create(const QualifiedName& tagName, Document& document)
42{
43 return adoptRef(*new SVGSwitchElement(tagName, document));
44}
45
46bool SVGSwitchElement::childShouldCreateRenderer(const Node& child) const
47{
48 // We create a renderer for the first valid SVG element child.
49 // FIXME: The renderer must be updated after dynamic change of the requiredFeatures, requiredExtensions and systemLanguage attributes (https://bugs.webkit.org/show_bug.cgi?id=74749).
50 for (auto& element : childrenOfType<SVGElement>(*this)) {
51 if (!element.isValid())
52 continue;
53 return &element == &child; // Only allow this child if it's the first valid child
54 }
55
56 return false;
57}
58
59RenderPtr<RenderElement> SVGSwitchElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
60{
61 return createRenderer<RenderSVGTransformableContainer>(*this, WTFMove(style));
62}
63
64}
65