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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 { |
| (...skipping 144 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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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