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1 /* | 1 /* |
2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2007 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2007 Rob Buis <buis@kde.org> |
4 * Copyright (C) 2008 Dirk Schulze <krit@webkit.org> | 4 * Copyright (C) 2008 Dirk Schulze <krit@webkit.org> |
5 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 5 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
11 * | 11 * |
12 * This library is distributed in the hope that it will be useful, | 12 * This library is distributed in the hope that it will be useful, |
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 * Library General Public License for more details. | 15 * Library General Public License for more details. |
16 * | 16 * |
17 * You should have received a copy of the GNU Library General Public License | 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 | 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, | 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 * Boston, MA 02110-1301, USA. | 20 * Boston, MA 02110-1301, USA. |
21 */ | 21 */ |
22 | 22 |
23 #include "config.h" | 23 #include "config.h" |
24 #include "core/rendering/svg/RenderSVGResource.h" | 24 #include "core/rendering/svg/RenderSVGResource.h" |
25 | 25 |
26 #include "core/rendering/svg/RenderSVGResourceClipper.h" | 26 #include "core/rendering/style/RenderStyle.h" |
27 #include "core/rendering/svg/RenderSVGResourceFilter.h" | 27 #include "core/rendering/svg/RenderSVGResourceContainer.h" |
28 #include "core/rendering/svg/RenderSVGResourceMasker.h" | |
29 #include "core/rendering/svg/SVGResources.h" | 28 #include "core/rendering/svg/SVGResources.h" |
30 #include "core/rendering/svg/SVGResourcesCache.h" | 29 #include "core/rendering/svg/SVGResourcesCache.h" |
31 #include "platform/graphics/GraphicsContext.h" | 30 #include "platform/graphics/GraphicsContext.h" |
32 #include "platform/graphics/GraphicsContextStateSaver.h" | 31 #include "platform/graphics/GraphicsContextStateSaver.h" |
33 | 32 |
34 namespace blink { | 33 namespace blink { |
35 | 34 |
36 SVGPaintServer::SVGPaintServer(Color color) | 35 SVGPaintServer::SVGPaintServer(Color color) |
37 : m_color(color) | 36 : m_color(color) |
38 { | 37 { |
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183 { | 182 { |
184 ASSERT_NOT_REACHED(); | 183 ASSERT_NOT_REACHED(); |
185 return SVGPaintServer::invalid(); | 184 return SVGPaintServer::invalid(); |
186 } | 185 } |
187 | 186 |
188 SVGPaintDescription RenderSVGResource::requestPaintDescription(const RenderObjec
t& renderer, const RenderStyle* style, RenderSVGResourceMode resourceMode) | 187 SVGPaintDescription RenderSVGResource::requestPaintDescription(const RenderObjec
t& renderer, const RenderStyle* style, RenderSVGResourceMode resourceMode) |
189 { | 188 { |
190 return requestPaint(renderer, style, resourceMode); | 189 return requestPaint(renderer, style, resourceMode); |
191 } | 190 } |
192 | 191 |
193 static inline void removeFromCacheAndInvalidateDependencies(RenderObject* object
, bool needsLayout) | |
194 { | |
195 ASSERT(object); | |
196 if (SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObj
ect(object)) { | |
197 if (RenderSVGResourceFilter* filter = resources->filter()) | |
198 filter->removeClientFromCache(object); | |
199 | |
200 if (RenderSVGResourceMasker* masker = resources->masker()) | |
201 masker->removeClientFromCache(object); | |
202 | |
203 if (RenderSVGResourceClipper* clipper = resources->clipper()) | |
204 clipper->removeClientFromCache(object); | |
205 } | |
206 | |
207 if (!object->node() || !object->node()->isSVGElement()) | |
208 return; | |
209 SVGElementSet* dependencies = toSVGElement(object->node())->setOfIncomingRef
erences(); | |
210 if (!dependencies) | |
211 return; | |
212 | |
213 // We allow cycles in SVGDocumentExtensions reference sets in order to avoid
expensive | |
214 // reference graph adjustments on changes, so we need to break possible cycl
es here. | |
215 // This strong reference is safe, as it is guaranteed that this set will be
emptied | |
216 // at the end of recursion. | |
217 typedef WillBeHeapHashSet<RawPtrWillBeMember<SVGElement> > SVGElementSet; | |
218 DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<SVGElementSet>, invalidatingDepen
dencies, (adoptPtrWillBeNoop(new SVGElementSet))); | |
219 | |
220 SVGElementSet::iterator end = dependencies->end(); | |
221 for (SVGElementSet::iterator it = dependencies->begin(); it != end; ++it) { | |
222 if (RenderObject* renderer = (*it)->renderer()) { | |
223 if (UNLIKELY(!invalidatingDependencies->add(*it).isNewEntry)) { | |
224 // Reference cycle: we are in process of invalidating this depen
dant. | |
225 continue; | |
226 } | |
227 | |
228 RenderSVGResource::markForLayoutAndParentResourceInvalidation(render
er, needsLayout); | |
229 invalidatingDependencies->remove(*it); | |
230 } | |
231 } | |
232 } | 192 } |
233 | |
234 void RenderSVGResource::markForLayoutAndParentResourceInvalidation(RenderObject*
object, bool needsLayout) | |
235 { | |
236 ASSERT(object); | |
237 ASSERT(object->node()); | |
238 | |
239 if (needsLayout && !object->documentBeingDestroyed()) | |
240 object->setNeedsLayoutAndFullPaintInvalidation(); | |
241 | |
242 removeFromCacheAndInvalidateDependencies(object, needsLayout); | |
243 | |
244 // Invalidate resources in ancestor chain, if needed. | |
245 RenderObject* current = object->parent(); | |
246 while (current) { | |
247 removeFromCacheAndInvalidateDependencies(current, needsLayout); | |
248 | |
249 if (current->isSVGResourceContainer()) { | |
250 // This will process the rest of the ancestors. | |
251 toRenderSVGResourceContainer(current)->removeAllClientsFromCache(); | |
252 break; | |
253 } | |
254 | |
255 current = current->parent(); | |
256 } | |
257 } | |
258 | |
259 } | |
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