1/*
2 * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
4 * Copyright (C) 2018-2019 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 "SVGCursorElement.h"
24
25#include "CSSCursorImageValue.h"
26#include "Document.h"
27#include "SVGNames.h"
28#include "SVGStringList.h"
29#include <wtf/IsoMallocInlines.h>
30#include <wtf/NeverDestroyed.h>
31
32namespace WebCore {
33
34WTF_MAKE_ISO_ALLOCATED_IMPL(SVGCursorElement);
35
36inline SVGCursorElement::SVGCursorElement(const QualifiedName& tagName, Document& document)
37 : SVGElement(tagName, document)
38 , SVGExternalResourcesRequired(this)
39 , SVGTests(this)
40 , SVGURIReference(this)
41{
42 ASSERT(hasTagName(SVGNames::cursorTag));
43
44 static std::once_flag onceFlag;
45 std::call_once(onceFlag, [] {
46 PropertyRegistry::registerProperty<SVGNames::xAttr, &SVGCursorElement::m_x>();
47 PropertyRegistry::registerProperty<SVGNames::yAttr, &SVGCursorElement::m_y>();
48 });
49}
50
51Ref<SVGCursorElement> SVGCursorElement::create(const QualifiedName& tagName, Document& document)
52{
53 return adoptRef(*new SVGCursorElement(tagName, document));
54}
55
56SVGCursorElement::~SVGCursorElement()
57{
58 for (auto& client : m_clients)
59 client->cursorElementRemoved(*this);
60}
61
62void SVGCursorElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
63{
64 SVGParsingError parseError = NoError;
65
66 if (name == SVGNames::xAttr)
67 m_x->setBaseValInternal(SVGLengthValue::construct(LengthModeWidth, value, parseError));
68 else if (name == SVGNames::yAttr)
69 m_y->setBaseValInternal(SVGLengthValue::construct(LengthModeHeight, value, parseError));
70
71 reportAttributeParsingError(parseError, name, value);
72
73 SVGElement::parseAttribute(name, value);
74 SVGTests::parseAttribute(name, value);
75 SVGExternalResourcesRequired::parseAttribute(name, value);
76 SVGURIReference::parseAttribute(name, value);
77}
78
79void SVGCursorElement::addClient(CSSCursorImageValue& value)
80{
81 m_clients.add(&value);
82}
83
84void SVGCursorElement::removeClient(CSSCursorImageValue& value)
85{
86 m_clients.remove(&value);
87}
88
89void SVGCursorElement::svgAttributeChanged(const QualifiedName& attrName)
90{
91 if (PropertyRegistry::isKnownAttribute(attrName)) {
92 InstanceInvalidationGuard guard(*this);
93 for (auto& client : m_clients)
94 client->cursorElementChanged(*this);
95 return;
96 }
97
98 SVGElement::svgAttributeChanged(attrName);
99}
100
101void SVGCursorElement::addSubresourceAttributeURLs(ListHashSet<URL>& urls) const
102{
103 SVGElement::addSubresourceAttributeURLs(urls);
104
105 addSubresourceURL(urls, document().completeURL(href()));
106}
107
108}
109