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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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121 | 121 |
122 // Invalidate the resources if either the RenderObject itself changed, | 122 // Invalidate the resources if either the RenderObject itself changed, |
123 // or we have filter resources, which could depend on the layout of children
. | 123 // or we have filter resources, which could depend on the layout of children
. |
124 if (object->selfNeedsLayout()) | 124 if (object->selfNeedsLayout()) |
125 resources->removeClientFromCache(object); | 125 resources->removeClientFromCache(object); |
126 } | 126 } |
127 | 127 |
128 void SVGResourcesCache::clientStyleChanged(RenderObject* renderer, StyleDifferen
ce diff, const RenderStyle* newStyle) | 128 void SVGResourcesCache::clientStyleChanged(RenderObject* renderer, StyleDifferen
ce diff, const RenderStyle* newStyle) |
129 { | 129 { |
130 ASSERT(renderer); | 130 ASSERT(renderer); |
131 if (diff == StyleDifferenceEqual) | 131 if (diff == StyleDifferenceEqual || !renderer->parent()) |
132 return; | 132 return; |
133 | 133 |
134 // In this case the proper SVGFE*Element will decide whether the modified CS
S properties require a relayout or repaint. | 134 // In this case the proper SVGFE*Element will decide whether the modified CS
S properties require a relayout or repaint. |
135 if (renderer->isSVGResourceFilterPrimitive() && diff == StyleDifferenceRepai
nt) | 135 if (renderer->isSVGResourceFilterPrimitive() && diff == StyleDifferenceRepai
nt) |
136 return; | 136 return; |
137 | 137 |
138 clientUpdatedFromElement(renderer, newStyle); | 138 // Dynamic changes of CSS properties like 'clip-path' may require us to reco
mpute the associated resources for a renderer. |
139 } | 139 // FIXME: Avoid passing in a useless StyleDifference, but instead compare ol
dStyle/newStyle to see which resources changed |
140 | 140 // to be able to selectively rebuild individual resources, instead of all of
them. |
141 void SVGResourcesCache::clientUpdatedFromElement(RenderObject* renderer, const R
enderStyle* newStyle) | |
142 { | |
143 ASSERT(renderer); | |
144 ASSERT(renderer->parent()); | |
145 | |
146 SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer); | 141 SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer); |
147 cache->removeResourcesFromRenderObject(renderer); | 142 cache->removeResourcesFromRenderObject(renderer); |
148 cache->addResourcesFromRenderObject(renderer, newStyle); | 143 cache->addResourcesFromRenderObject(renderer, newStyle); |
149 | 144 |
150 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer, fals
e); | 145 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer, fals
e); |
151 } | 146 } |
152 | 147 |
| 148 static inline bool rendererCanHaveResources(RenderObject* renderer) |
| 149 { |
| 150 ASSERT(renderer); |
| 151 ASSERT(renderer->parent()); |
| 152 return renderer->node() && !renderer->isSVGInlineText(); |
| 153 } |
| 154 |
| 155 void SVGResourcesCache::clientWasAddedToTree(RenderObject* renderer, const Rende
rStyle* newStyle) |
| 156 { |
| 157 if (!rendererCanHaveResources(renderer)) |
| 158 return; |
| 159 SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer); |
| 160 cache->addResourcesFromRenderObject(renderer, newStyle); |
| 161 } |
| 162 |
| 163 void SVGResourcesCache::clientWillBeRemovedFromTree(RenderObject* renderer) |
| 164 { |
| 165 if (!rendererCanHaveResources(renderer)) |
| 166 return; |
| 167 SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer); |
| 168 cache->removeResourcesFromRenderObject(renderer); |
| 169 |
| 170 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer, fals
e); |
| 171 } |
| 172 |
153 void SVGResourcesCache::clientDestroyed(RenderObject* renderer) | 173 void SVGResourcesCache::clientDestroyed(RenderObject* renderer) |
154 { | 174 { |
155 ASSERT(renderer); | 175 ASSERT(renderer); |
156 | 176 |
157 SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(
renderer); | 177 SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(
renderer); |
158 if (resources) | 178 if (resources) |
159 resources->removeClientFromCache(renderer); | 179 resources->removeClientFromCache(renderer); |
160 | 180 |
161 SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer); | 181 SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer); |
162 cache->removeResourcesFromRenderObject(renderer); | 182 cache->removeResourcesFromRenderObject(renderer); |
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179 SVGStyledElement* clientElement = toSVGStyledElement(it->first->node()); | 199 SVGStyledElement* clientElement = toSVGStyledElement(it->first->node()); |
180 SVGDocumentExtensions* extensions = clientElement->document()->accessSVG
Extensions(); | 200 SVGDocumentExtensions* extensions = clientElement->document()->accessSVG
Extensions(); |
181 | 201 |
182 extensions->addPendingResource(resourceElement->fastGetAttribute(HTMLNam
es::idAttr), clientElement); | 202 extensions->addPendingResource(resourceElement->fastGetAttribute(HTMLNam
es::idAttr), clientElement); |
183 } | 203 } |
184 } | 204 } |
185 | 205 |
186 } | 206 } |
187 | 207 |
188 #endif | 208 #endif |
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