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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 |
| (...skipping 47 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 58 | 58 |
| 59 for (auto* resourceContainer : resourceSet) | 59 for (auto* resourceContainer : resourceSet) |
| 60 resourceContainer->addClient(object); | 60 resourceContainer->addClient(object); |
| 61 } | 61 } |
| 62 | 62 |
| 63 void SVGResourcesCache::removeResourcesFromLayoutObject(LayoutObject* object) { | 63 void SVGResourcesCache::removeResourcesFromLayoutObject(LayoutObject* object) { |
| 64 std::unique_ptr<SVGResources> resources = m_cache.take(object); | 64 std::unique_ptr<SVGResources> resources = m_cache.take(object); |
| 65 if (!resources) | 65 if (!resources) |
| 66 return; | 66 return; |
| 67 | 67 |
| 68 // Walk resources and unregister the layout object as a client of each resourc
e. | 68 // Walk resources and unregister the layout object as a client of each |
| 69 // resource. |
| 69 HashSet<LayoutSVGResourceContainer*> resourceSet; | 70 HashSet<LayoutSVGResourceContainer*> resourceSet; |
| 70 resources->buildSetOfResources(resourceSet); | 71 resources->buildSetOfResources(resourceSet); |
| 71 | 72 |
| 72 for (auto* resourceContainer : resourceSet) | 73 for (auto* resourceContainer : resourceSet) |
| 73 resourceContainer->removeClient(object); | 74 resourceContainer->removeClient(object); |
| 74 } | 75 } |
| 75 | 76 |
| 76 static inline SVGResourcesCache& resourcesCache(Document& document) { | 77 static inline SVGResourcesCache& resourcesCache(Document& document) { |
| 77 return document.accessSVGExtensions().resourcesCache(); | 78 return document.accessSVGExtensions().resourcesCache(); |
| 78 } | 79 } |
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| 103 void SVGResourcesCache::clientStyleChanged(LayoutObject* layoutObject, | 104 void SVGResourcesCache::clientStyleChanged(LayoutObject* layoutObject, |
| 104 StyleDifference diff, | 105 StyleDifference diff, |
| 105 const ComputedStyle& newStyle) { | 106 const ComputedStyle& newStyle) { |
| 106 ASSERT(layoutObject); | 107 ASSERT(layoutObject); |
| 107 ASSERT(layoutObject->node()); | 108 ASSERT(layoutObject->node()); |
| 108 ASSERT(layoutObject->node()->isSVGElement()); | 109 ASSERT(layoutObject->node()->isSVGElement()); |
| 109 | 110 |
| 110 if (!diff.hasDifference() || !layoutObject->parent()) | 111 if (!diff.hasDifference() || !layoutObject->parent()) |
| 111 return; | 112 return; |
| 112 | 113 |
| 113 // In this case the proper SVGFE*Element will decide whether the modified CSS
properties require | 114 // In this case the proper SVGFE*Element will decide whether the modified CSS |
| 115 // properties require |
| 114 // a relayout or paintInvalidation. | 116 // a relayout or paintInvalidation. |
| 115 if (layoutObject->isSVGResourceFilterPrimitive() && !diff.needsLayout()) | 117 if (layoutObject->isSVGResourceFilterPrimitive() && !diff.needsLayout()) |
| 116 return; | 118 return; |
| 117 | 119 |
| 118 // Dynamic changes of CSS properties like 'clip-path' may require us to recomp
ute the associated | 120 // Dynamic changes of CSS properties like 'clip-path' may require us to |
| 119 // resources for a LayoutObject. | 121 // recompute the associated resources for a LayoutObject. |
| 120 // TODO(fs): Avoid passing in a useless StyleDifference, but instead compare o
ldStyle/newStyle | 122 // TODO(fs): Avoid passing in a useless StyleDifference, but instead compare |
| 121 // to see which resources changed to be able to selectively rebuild individual
resources, | 123 // oldStyle/newStyle to see which resources changed to be able to selectively |
| 122 // instead of all of them. | 124 // rebuild individual resources, instead of all of them. |
| 123 if (layoutObjectCanHaveResources(layoutObject)) { | 125 if (layoutObjectCanHaveResources(layoutObject)) { |
| 124 SVGResourcesCache& cache = resourcesCache(layoutObject->document()); | 126 SVGResourcesCache& cache = resourcesCache(layoutObject->document()); |
| 125 cache.removeResourcesFromLayoutObject(layoutObject); | 127 cache.removeResourcesFromLayoutObject(layoutObject); |
| 126 cache.addResourcesFromLayoutObject(layoutObject, newStyle); | 128 cache.addResourcesFromLayoutObject(layoutObject, newStyle); |
| 127 } | 129 } |
| 128 | 130 |
| 129 LayoutSVGResourceContainer::markForLayoutAndParentResourceInvalidation( | 131 LayoutSVGResourceContainer::markForLayoutAndParentResourceInvalidation( |
| 130 layoutObject, false); | 132 layoutObject, false); |
| 131 } | 133 } |
| 132 | 134 |
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| 160 ASSERT(layoutObject); | 162 ASSERT(layoutObject); |
| 161 | 163 |
| 162 SVGResources* resources = cachedResourcesForLayoutObject(layoutObject); | 164 SVGResources* resources = cachedResourcesForLayoutObject(layoutObject); |
| 163 if (resources) | 165 if (resources) |
| 164 resources->removeClientFromCache(layoutObject); | 166 resources->removeClientFromCache(layoutObject); |
| 165 SVGResourcesCache& cache = resourcesCache(layoutObject->document()); | 167 SVGResourcesCache& cache = resourcesCache(layoutObject->document()); |
| 166 cache.removeResourcesFromLayoutObject(layoutObject); | 168 cache.removeResourcesFromLayoutObject(layoutObject); |
| 167 } | 169 } |
| 168 | 170 |
| 169 } // namespace blink | 171 } // namespace blink |
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