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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* 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.
*
*/
#ifndef RenderSVGResourceContainer_h
#define RenderSVGResourceContainer_h
#if ENABLE(SVG)
#include "RenderSVGHiddenContainer.h"
#include "SVGStyledTransformableElement.h"
#include "RenderSVGResource.h"
namespace WebCore {
class RenderSVGResourceContainer : public RenderSVGHiddenContainer,
public RenderSVGResource {
public:
RenderSVGResourceContainer(SVGStyledElement* node)
: RenderSVGHiddenContainer(node)
, RenderSVGResource()
// FIXME: Should probably be using getIdAttribute rather than idForStyleResolution.
, m_id(node->hasID() ? node->idForStyleResolution() : nullAtom)
{
ASSERT(node->document());
node->document()->accessSVGExtensions()->addResource(m_id, this);
}
virtual ~RenderSVGResourceContainer()
{
ASSERT(node());
ASSERT(node()->document());
node()->document()->accessSVGExtensions()->removeResource(m_id);
}
void idChanged()
{
ASSERT(node());
ASSERT(node()->document());
SVGDocumentExtensions* extensions = node()->document()->accessSVGExtensions();
// Remove old id, that is guaranteed to be present in cache
extensions->removeResource(m_id);
// FIXME: Should probably be using getIdAttribute rather than idForStyleResolution.
m_id = node()->hasID() ? static_cast<Element*>(node())->idForStyleResolution() : nullAtom;
// It's possible that an element is referencing us with the new id, and has to be notified that we're existing now
if (extensions->isPendingResource(m_id)) {
OwnPtr<HashSet<SVGStyledElement*> > clients(extensions->removePendingResource(m_id));
if (clients->isEmpty())
return;
HashSet<SVGStyledElement*>::const_iterator it = clients->begin();
const HashSet<SVGStyledElement*>::const_iterator end = clients->end();
for (; it != end; ++it) {
if (RenderObject* renderer = (*it)->renderer())
renderer->setNeedsLayout(true);
}
}
// Recache us with the new id
extensions->addResource(m_id, this);
}
virtual bool isSVGResourceContainer() const { return true; }
virtual bool drawsContents() { return false; }
virtual RenderSVGResourceContainer* toRenderSVGResourceContainer() { return this; }
static AffineTransform transformOnNonScalingStroke(RenderObject* object, const AffineTransform resourceTransform)
{
if (!object->isRenderPath())
return resourceTransform;
SVGStyledTransformableElement* element = static_cast<SVGStyledTransformableElement*>(object->node());
AffineTransform transform = resourceTransform;
transform.multiply(element->getScreenCTM());
return transform;
}
private:
AtomicString m_id;
};
inline RenderSVGResourceContainer* getRenderSVGResourceContainerById(Document* document, const AtomicString& id)
{
if (id.isEmpty())
return 0;
if (RenderSVGResourceContainer* renderResource = document->accessSVGExtensions()->resourceById(id))
return renderResource;
return 0;
}
template<typename Renderer>
Renderer* getRenderSVGResourceById(Document* document, const AtomicString& id)
{
if (RenderSVGResourceContainer* container = getRenderSVGResourceContainerById(document, id))
return container->cast<Renderer>();
return 0;
}
}
#endif
#endif
|
