1/*
2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
4 * Copyright (C) 2006 Apple Inc. All rights reserved.
5 * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#include "config.h"
24#include "core/svg/SVGStyleElement.h"
25
26#include "core/css/CSSStyleSheet.h"
27#include "wtf/StdLibExtras.h"
28
29namespace WebCore {
30
31inline SVGStyleElement::SVGStyleElement(Document& document, bool createdByParser)
32    : SVGElement(SVGNames::styleTag, document)
33    , StyleElement(&document, createdByParser)
34    , m_svgLoadEventTimer(this, &SVGElement::svgLoadEventTimerFired)
35{
36    ScriptWrappable::init(this);
37}
38
39SVGStyleElement::~SVGStyleElement()
40{
41    StyleElement::clearDocumentData(document(), this);
42}
43
44PassRefPtr<SVGStyleElement> SVGStyleElement::create(Document& document, bool createdByParser)
45{
46    return adoptRef(new SVGStyleElement(document, createdByParser));
47}
48
49bool SVGStyleElement::disabled() const
50{
51    if (!m_sheet)
52        return false;
53
54    return m_sheet->disabled();
55}
56
57void SVGStyleElement::setDisabled(bool setDisabled)
58{
59    if (CSSStyleSheet* styleSheet = sheet())
60        styleSheet->setDisabled(setDisabled);
61}
62
63const AtomicString& SVGStyleElement::type() const
64{
65    DEFINE_STATIC_LOCAL(const AtomicString, defaultValue, ("text/css", AtomicString::ConstructFromLiteral));
66    const AtomicString& n = getAttribute(SVGNames::typeAttr);
67    return n.isNull() ? defaultValue : n;
68}
69
70void SVGStyleElement::setType(const AtomicString& type)
71{
72    setAttribute(SVGNames::typeAttr, type);
73}
74
75const AtomicString& SVGStyleElement::media() const
76{
77    DEFINE_STATIC_LOCAL(const AtomicString, defaultValue, ("all", AtomicString::ConstructFromLiteral));
78    const AtomicString& n = fastGetAttribute(SVGNames::mediaAttr);
79    return n.isNull() ? defaultValue : n;
80}
81
82void SVGStyleElement::setMedia(const AtomicString& media)
83{
84    setAttribute(SVGNames::mediaAttr, media);
85}
86
87String SVGStyleElement::title() const
88{
89    return fastGetAttribute(SVGNames::titleAttr);
90}
91
92void SVGStyleElement::setTitle(const AtomicString& title)
93{
94    setAttribute(SVGNames::titleAttr, title);
95}
96
97bool SVGStyleElement::isSupportedAttribute(const QualifiedName& attrName)
98{
99    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
100    if (supportedAttributes.isEmpty())
101        supportedAttributes.add(SVGNames::titleAttr);
102    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
103}
104
105void SVGStyleElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
106{
107    if (!isSupportedAttribute(name)) {
108        SVGElement::parseAttribute(name, value);
109        return;
110    }
111
112    if (name == SVGNames::titleAttr) {
113        if (m_sheet)
114            m_sheet->setTitle(value);
115        return;
116    }
117
118    ASSERT_NOT_REACHED();
119}
120
121void SVGStyleElement::finishParsingChildren()
122{
123    StyleElement::finishParsingChildren(this);
124    SVGElement::finishParsingChildren();
125}
126
127Node::InsertionNotificationRequest SVGStyleElement::insertedInto(ContainerNode* rootParent)
128{
129    SVGElement::insertedInto(rootParent);
130    return InsertionShouldCallDidNotifySubtreeInsertions;
131}
132
133void SVGStyleElement::didNotifySubtreeInsertionsToDocument()
134{
135    StyleElement::processStyleSheet(document(), this);
136}
137
138void SVGStyleElement::removedFrom(ContainerNode* rootParent)
139{
140    SVGElement::removedFrom(rootParent);
141    if (rootParent->inDocument())
142        StyleElement::removedFromDocument(document(), this);
143}
144
145void SVGStyleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
146{
147    SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
148    StyleElement::childrenChanged(this);
149}
150
151}
152