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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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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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