1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "core/svg/SVGGElement.h"
#include "SVGNames.h"
#include "core/rendering/svg/RenderSVGHiddenContainer.h"
#include "core/rendering/svg/RenderSVGResource.h"
#include "core/rendering/svg/RenderSVGTransformableContainer.h"
#include "core/svg/SVGElementInstance.h"
namespace WebCore {
// Animated property definitions
DEFINE_ANIMATED_BOOLEAN(SVGGElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGGElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
END_REGISTER_ANIMATED_PROPERTIES
SVGGElement::SVGGElement(Document& document, ConstructionType constructionType)
: SVGGraphicsElement(SVGNames::gTag, document, constructionType)
{
ScriptWrappable::init(this);
registerAnimatedPropertiesForSVGGElement();
}
PassRefPtr<SVGGElement> SVGGElement::create(Document& document)
{
return adoptRef(new SVGGElement(document));
}
bool SVGGElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty())
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
}
void SVGGElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (!isSupportedAttribute(name)) {
SVGGraphicsElement::parseAttribute(name, value);
return;
}
if (SVGLangSpace::parseAttribute(name, value))
return;
ASSERT_NOT_REACHED();
}
void SVGGElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGGraphicsElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
if (RenderObject* renderer = this->renderer())
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
}
RenderObject* SVGGElement::createRenderer(RenderStyle* style)
{
// SVG 1.1 testsuite explicitely uses constructs like <g display="none"><linearGradient>
// We still have to create renderers for the <g> & <linearGradient> element, though the
// subtree may be hidden - we only want the resource renderers to exist so they can be
// referenced from somewhere else.
if (style->display() == NONE)
return new RenderSVGHiddenContainer(this);
return new RenderSVGTransformableContainer(this);
}
bool SVGGElement::rendererIsNeeded(const RenderStyle&)
{
// Unlike SVGElement::rendererIsNeeded(), we still create renderers, even if
// display is set to 'none' - which is special to SVG <g> container elements.
return parentOrShadowHostElement() && parentOrShadowHostElement()->isSVGElement();
}
}
|