1/*
2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#include "config.h"
22#include "SVGViewElement.h"
23
24#include "Attribute.h"
25#include "SVGFitToViewBox.h"
26#include "SVGNames.h"
27#include "SVGStringList.h"
28#include "SVGZoomAndPan.h"
29#include <wtf/NeverDestroyed.h>
30
31namespace WebCore {
32
33// Animated property definitions
34DEFINE_ANIMATED_BOOLEAN(SVGViewElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
35DEFINE_ANIMATED_RECT(SVGViewElement, SVGNames::viewBoxAttr, ViewBox, viewBox)
36DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGViewElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
37
38BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGViewElement)
39    REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
40    REGISTER_LOCAL_ANIMATED_PROPERTY(viewBox)
41    REGISTER_LOCAL_ANIMATED_PROPERTY(preserveAspectRatio)
42    REGISTER_PARENT_ANIMATED_PROPERTIES(SVGElement)
43END_REGISTER_ANIMATED_PROPERTIES
44
45inline SVGViewElement::SVGViewElement(const QualifiedName& tagName, Document& document)
46    : SVGElement(tagName, document)
47    , m_zoomAndPan(SVGZoomAndPanMagnify)
48    , m_viewTarget(SVGNames::viewTargetAttr)
49{
50    ASSERT(hasTagName(SVGNames::viewTag));
51    registerAnimatedPropertiesForSVGViewElement();
52}
53
54PassRefPtr<SVGViewElement> SVGViewElement::create(const QualifiedName& tagName, Document& document)
55{
56    return adoptRef(new SVGViewElement(tagName, document));
57}
58
59bool SVGViewElement::isSupportedAttribute(const QualifiedName& attrName)
60{
61    static NeverDestroyed<HashSet<QualifiedName>> supportedAttributes;
62    if (supportedAttributes.get().isEmpty()) {
63        SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
64        SVGFitToViewBox::addSupportedAttributes(supportedAttributes);
65        SVGZoomAndPan::addSupportedAttributes(supportedAttributes);
66        supportedAttributes.get().add(SVGNames::viewTargetAttr);
67    }
68    return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
69}
70
71void SVGViewElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
72{
73    if (!isSupportedAttribute(name)) {
74        SVGElement::parseAttribute(name, value);
75        return;
76    }
77
78    if (name == SVGNames::viewTargetAttr) {
79        viewTarget().reset(value);
80        return;
81    }
82
83    if (SVGExternalResourcesRequired::parseAttribute(name, value))
84        return;
85    if (SVGFitToViewBox::parseAttribute(this, name, value))
86        return;
87    if (SVGZoomAndPan::parseAttribute(this, name, value))
88        return;
89
90    ASSERT_NOT_REACHED();
91}
92
93}
94