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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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28 | 28 |
29 namespace blink { | 29 namespace blink { |
30 | 30 |
31 SVGResourcesCache::SVGResourcesCache() {} | 31 SVGResourcesCache::SVGResourcesCache() {} |
32 | 32 |
33 SVGResourcesCache::~SVGResourcesCache() {} | 33 SVGResourcesCache::~SVGResourcesCache() {} |
34 | 34 |
35 void SVGResourcesCache::addResourcesFromLayoutObject( | 35 void SVGResourcesCache::addResourcesFromLayoutObject( |
36 LayoutObject* object, | 36 LayoutObject* object, |
37 const ComputedStyle& style) { | 37 const ComputedStyle& style) { |
38 ASSERT(object); | 38 DCHECK(object); |
39 ASSERT(!m_cache.contains(object)); | 39 DCHECK(!m_cache.contains(object)); |
40 | 40 |
41 // Build a list of all resources associated with the passed LayoutObject. | 41 // Build a list of all resources associated with the passed LayoutObject. |
42 std::unique_ptr<SVGResources> newResources = | 42 std::unique_ptr<SVGResources> newResources = |
43 SVGResources::buildResources(object, style); | 43 SVGResources::buildResources(object, style); |
44 if (!newResources) | 44 if (!newResources) |
45 return; | 45 return; |
46 | 46 |
47 // Put object in cache. | 47 // Put object in cache. |
48 SVGResources* resources = | 48 SVGResources* resources = |
49 m_cache.set(object, std::move(newResources)).storedValue->value.get(); | 49 m_cache.set(object, std::move(newResources)).storedValue->value.get(); |
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73 for (auto* resourceContainer : resourceSet) | 73 for (auto* resourceContainer : resourceSet) |
74 resourceContainer->removeClient(object); | 74 resourceContainer->removeClient(object); |
75 } | 75 } |
76 | 76 |
77 static inline SVGResourcesCache& resourcesCache(Document& document) { | 77 static inline SVGResourcesCache& resourcesCache(Document& document) { |
78 return document.accessSVGExtensions().resourcesCache(); | 78 return document.accessSVGExtensions().resourcesCache(); |
79 } | 79 } |
80 | 80 |
81 SVGResources* SVGResourcesCache::cachedResourcesForLayoutObject( | 81 SVGResources* SVGResourcesCache::cachedResourcesForLayoutObject( |
82 const LayoutObject* layoutObject) { | 82 const LayoutObject* layoutObject) { |
83 ASSERT(layoutObject); | 83 DCHECK(layoutObject); |
84 return resourcesCache(layoutObject->document()).m_cache.at(layoutObject); | 84 return resourcesCache(layoutObject->document()).m_cache.at(layoutObject); |
85 } | 85 } |
86 | 86 |
87 void SVGResourcesCache::clientLayoutChanged(LayoutObject* object) { | 87 void SVGResourcesCache::clientLayoutChanged(LayoutObject* object) { |
88 SVGResources* resources = cachedResourcesForLayoutObject(object); | 88 SVGResources* resources = cachedResourcesForLayoutObject(object); |
89 if (!resources) | 89 if (!resources) |
90 return; | 90 return; |
91 | 91 |
92 // Invalidate the resources if either the LayoutObject itself changed, | 92 // Invalidate the resources if either the LayoutObject itself changed, |
93 // or we have filter resources, which could depend on the layout of children. | 93 // or we have filter resources, which could depend on the layout of children. |
94 if (object->selfNeedsLayout() || resources->filter()) | 94 if (object->selfNeedsLayout() || resources->filter()) |
95 resources->removeClientFromCache(object); | 95 resources->removeClientFromCache(object); |
96 } | 96 } |
97 | 97 |
98 static inline bool layoutObjectCanHaveResources(LayoutObject* layoutObject) { | 98 static inline bool layoutObjectCanHaveResources(LayoutObject* layoutObject) { |
99 ASSERT(layoutObject); | 99 DCHECK(layoutObject); |
100 return layoutObject->node() && layoutObject->node()->isSVGElement() && | 100 return layoutObject->node() && layoutObject->node()->isSVGElement() && |
101 !layoutObject->isSVGInlineText(); | 101 !layoutObject->isSVGInlineText(); |
102 } | 102 } |
103 | 103 |
104 static inline bool isLayoutObjectOfResourceContainer(LayoutObject* layoutObject)
{ | 104 static inline bool isLayoutObjectOfResourceContainer(LayoutObject* layoutObject)
{ |
105 LayoutObject* current = layoutObject; | 105 LayoutObject* current = layoutObject; |
106 while (current) { | 106 while (current) { |
107 if (current->isSVGResourceContainer()) { | 107 if (current->isSVGResourceContainer()) { |
108 return true; | 108 return true; |
109 } | 109 } |
110 current = current->parent(); | 110 current = current->parent(); |
111 } | 111 } |
112 return false; | 112 return false; |
113 } | 113 } |
114 | 114 |
115 void SVGResourcesCache::clientStyleChanged(LayoutObject* layoutObject, | 115 void SVGResourcesCache::clientStyleChanged(LayoutObject* layoutObject, |
116 StyleDifference diff, | 116 StyleDifference diff, |
117 const ComputedStyle& newStyle) { | 117 const ComputedStyle& newStyle) { |
118 ASSERT(layoutObject); | 118 DCHECK(layoutObject); |
119 ASSERT(layoutObject->node()); | 119 DCHECK(layoutObject->node()); |
120 ASSERT(layoutObject->node()->isSVGElement()); | 120 DCHECK(layoutObject->node()->isSVGElement()); |
121 | 121 |
122 if (!diff.hasDifference() || !layoutObject->parent()) | 122 if (!diff.hasDifference() || !layoutObject->parent()) |
123 return; | 123 return; |
124 | 124 |
125 // In this case the proper SVGFE*Element will decide whether the modified CSS | 125 // In this case the proper SVGFE*Element will decide whether the modified CSS |
126 // properties require | 126 // properties require |
127 // a relayout or paintInvalidation. | 127 // a relayout or paintInvalidation. |
128 if (layoutObject->isSVGResourceFilterPrimitive() && !diff.needsLayout()) | 128 if (layoutObject->isSVGResourceFilterPrimitive() && !diff.needsLayout()) |
129 return; | 129 return; |
130 | 130 |
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169 LayoutSVGResourceContainer::markForLayoutAndParentResourceInvalidation( | 169 LayoutSVGResourceContainer::markForLayoutAndParentResourceInvalidation( |
170 layoutObject, false); | 170 layoutObject, false); |
171 | 171 |
172 if (!layoutObjectCanHaveResources(layoutObject)) | 172 if (!layoutObjectCanHaveResources(layoutObject)) |
173 return; | 173 return; |
174 SVGResourcesCache& cache = resourcesCache(layoutObject->document()); | 174 SVGResourcesCache& cache = resourcesCache(layoutObject->document()); |
175 cache.removeResourcesFromLayoutObject(layoutObject); | 175 cache.removeResourcesFromLayoutObject(layoutObject); |
176 } | 176 } |
177 | 177 |
178 void SVGResourcesCache::clientDestroyed(LayoutObject* layoutObject) { | 178 void SVGResourcesCache::clientDestroyed(LayoutObject* layoutObject) { |
179 ASSERT(layoutObject); | 179 DCHECK(layoutObject); |
180 | 180 |
181 SVGResources* resources = cachedResourcesForLayoutObject(layoutObject); | 181 SVGResources* resources = cachedResourcesForLayoutObject(layoutObject); |
182 if (resources) | 182 if (resources) |
183 resources->removeClientFromCache(layoutObject); | 183 resources->removeClientFromCache(layoutObject); |
184 SVGResourcesCache& cache = resourcesCache(layoutObject->document()); | 184 SVGResourcesCache& cache = resourcesCache(layoutObject->document()); |
185 cache.removeResourcesFromLayoutObject(layoutObject); | 185 cache.removeResourcesFromLayoutObject(layoutObject); |
186 } | 186 } |
187 | 187 |
188 } // namespace blink | 188 } // namespace blink |
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