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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* 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.
*/
#include "config.h"
#if ENABLE(SVG)
#include "RenderSVGResourceContainer.h"
#include "RenderSVGShadowTreeRootContainer.h"
#include "SVGStyledTransformableElement.h"
namespace WebCore {
static inline SVGDocumentExtensions* svgExtensionsFromNode(Node* node)
{
ASSERT(node);
ASSERT(node->document());
return node->document()->accessSVGExtensions();
}
RenderSVGResourceContainer::RenderSVGResourceContainer(SVGStyledElement* node)
: RenderSVGHiddenContainer(node)
, m_id(node->hasID() ? node->getIdAttribute() : nullAtom)
, m_registered(false)
{
}
RenderSVGResourceContainer::~RenderSVGResourceContainer()
{
if (m_registered)
svgExtensionsFromNode(node())->removeResource(m_id);
}
void RenderSVGResourceContainer::layout()
{
// Invalidate all resources if our layout changed.
if (m_everHadLayout && selfNeedsLayout())
removeAllClientsFromCache();
RenderSVGHiddenContainer::layout();
}
void RenderSVGResourceContainer::destroy()
{
SVGResourcesCache::resourceDestroyed(this);
RenderSVGHiddenContainer::destroy();
}
void RenderSVGResourceContainer::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderSVGHiddenContainer::styleDidChange(diff, oldStyle);
if (!m_registered) {
m_registered = true;
registerResource();
}
}
void RenderSVGResourceContainer::idChanged()
{
// Invalidate all our current clients.
removeAllClientsFromCache();
// Remove old id, that is guaranteed to be present in cache.
SVGDocumentExtensions* extensions = svgExtensionsFromNode(node());
extensions->removeResource(m_id);
m_id = static_cast<Element*>(node())->getIdAttribute();
registerResource();
}
void RenderSVGResourceContainer::markAllClientsForInvalidation(InvalidationMode mode)
{
if (m_clients.isEmpty())
return;
bool needsLayout = mode == LayoutAndBoundariesInvalidation;
bool markForInvalidation = mode != ParentOnlyInvalidation;
HashSet<RenderObject*>::iterator end = m_clients.end();
for (HashSet<RenderObject*>::iterator it = m_clients.begin(); it != end; ++it) {
RenderObject* client = *it;
if (client->isSVGResourceContainer()) {
client->toRenderSVGResourceContainer()->removeAllClientsFromCache(markForInvalidation);
continue;
}
if (markForInvalidation)
markClientForInvalidation(client, mode);
if (needsLayout)
client->setNeedsLayout(true);
// Invalidate resources in ancestor chain, if needed.
RenderObject* current = client->parent();
while (current) {
if (current->isSVGResourceContainer()) {
current->toRenderSVGResourceContainer()->removeAllClientsFromCache(markForInvalidation);
break;
}
current = current->parent();
}
}
}
void RenderSVGResourceContainer::markClientForInvalidation(RenderObject* client, InvalidationMode mode)
{
ASSERT(client);
ASSERT(!m_clients.isEmpty());
switch (mode) {
case LayoutAndBoundariesInvalidation:
case BoundariesInvalidation:
client->setNeedsBoundariesUpdate();
break;
case RepaintInvalidation:
if (client->view())
client->repaint();
break;
case ParentOnlyInvalidation:
break;
}
}
void RenderSVGResourceContainer::addClient(RenderObject* client)
{
ASSERT(client);
m_clients.add(client);
}
void RenderSVGResourceContainer::removeClient(RenderObject* client)
{
ASSERT(client);
m_clients.remove(client);
}
void RenderSVGResourceContainer::registerResource()
{
SVGDocumentExtensions* extensions = svgExtensionsFromNode(node());
if (!extensions->hasPendingResources(m_id)) {
extensions->addResource(m_id, this);
return;
}
OwnPtr<SVGDocumentExtensions::SVGPendingElements> clients(extensions->removePendingResource(m_id));
// Cache us with the new id.
extensions->addResource(m_id, this);
// Update cached resources of pending clients.
const SVGDocumentExtensions::SVGPendingElements::const_iterator end = clients->end();
for (SVGDocumentExtensions::SVGPendingElements::const_iterator it = clients->begin(); it != end; ++it) {
ASSERT((*it)->hasPendingResources());
(*it)->clearHasPendingResourcesIfPossible();
RenderObject* renderer = (*it)->renderer();
if (!renderer)
continue;
SVGResourcesCache::clientUpdatedFromElement(renderer, renderer->style());
renderer->setNeedsLayout(true);
}
}
// FIXME: This does not belong here.
AffineTransform RenderSVGResourceContainer::transformOnNonScalingStroke(RenderObject* object, const AffineTransform& resourceTransform)
{
if (!object->isSVGPath())
return resourceTransform;
SVGStyledTransformableElement* element = static_cast<SVGStyledTransformableElement*>(object->node());
AffineTransform transform = element->getScreenCTM(SVGLocatable::DisallowStyleUpdate);
transform *= resourceTransform;
return transform;
}
}
#endif
|
