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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 |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 */ | 18 */ |
19 | 19 |
20 #ifndef LayoutSVGResourceContainer_h | 20 #ifndef LayoutSVGResourceContainer_h |
21 #define LayoutSVGResourceContainer_h | 21 #define LayoutSVGResourceContainer_h |
22 | 22 |
23 #include "core/layout/svg/LayoutSVGHiddenContainer.h" | 23 #include "core/layout/svg/LayoutSVGHiddenContainer.h" |
24 #include "core/svg/SVGDocumentExtensions.h" | 24 #include "core/svg/SVGDocumentExtensions.h" |
25 #include "core/svg/SVGResourceClient.h" | |
26 #include "platform/heap/Handle.h" | |
27 | 25 |
28 namespace blink { | 26 namespace blink { |
29 | 27 |
| 28 class SVGElementProxySet; |
| 29 |
30 enum LayoutSVGResourceType { | 30 enum LayoutSVGResourceType { |
31 MaskerResourceType, | 31 MaskerResourceType, |
32 MarkerResourceType, | 32 MarkerResourceType, |
33 PatternResourceType, | 33 PatternResourceType, |
34 LinearGradientResourceType, | 34 LinearGradientResourceType, |
35 RadialGradientResourceType, | 35 RadialGradientResourceType, |
36 FilterResourceType, | 36 FilterResourceType, |
37 ClipperResourceType | 37 ClipperResourceType |
38 }; | 38 }; |
39 | 39 |
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56 virtual LayoutSVGResourceType resourceType() const = 0; | 56 virtual LayoutSVGResourceType resourceType() const = 0; |
57 | 57 |
58 bool isSVGPaintServer() const { | 58 bool isSVGPaintServer() const { |
59 LayoutSVGResourceType resourceType = this->resourceType(); | 59 LayoutSVGResourceType resourceType = this->resourceType(); |
60 return resourceType == PatternResourceType || | 60 return resourceType == PatternResourceType || |
61 resourceType == LinearGradientResourceType || | 61 resourceType == LinearGradientResourceType || |
62 resourceType == RadialGradientResourceType; | 62 resourceType == RadialGradientResourceType; |
63 } | 63 } |
64 | 64 |
65 void idChanged(); | 65 void idChanged(); |
66 void addResourceClient(SVGResourceClient*); | |
67 void removeResourceClient(SVGResourceClient*); | |
68 | 66 |
69 void invalidateCacheAndMarkForLayout(SubtreeLayoutScope* = nullptr); | 67 void invalidateCacheAndMarkForLayout(SubtreeLayoutScope* = nullptr); |
70 | 68 |
71 static void markForLayoutAndParentResourceInvalidation( | 69 static void markForLayoutAndParentResourceInvalidation( |
72 LayoutObject*, | 70 LayoutObject*, |
73 bool needsLayout = true); | 71 bool needsLayout = true); |
74 | 72 |
75 void clearInvalidationMask() { m_invalidationMask = 0; } | 73 void clearInvalidationMask() { m_invalidationMask = 0; } |
76 | 74 |
77 protected: | 75 protected: |
78 // When adding modes, make sure we don't overflow m_invalidationMask below. | 76 // When adding modes, make sure we don't overflow m_invalidationMask below. |
79 enum InvalidationMode { | 77 enum InvalidationMode { |
80 LayoutAndBoundariesInvalidation = 1 << 0, | 78 LayoutAndBoundariesInvalidation = 1 << 0, |
81 BoundariesInvalidation = 1 << 1, | 79 BoundariesInvalidation = 1 << 1, |
82 PaintInvalidation = 1 << 2, | 80 PaintInvalidation = 1 << 2, |
83 ParentOnlyInvalidation = 1 << 3 | 81 ParentOnlyInvalidation = 1 << 3 |
84 }; | 82 }; |
85 | 83 |
86 // Used from the invalidateClient/invalidateClients methods from classes, | 84 // Used from the invalidateClient/invalidateClients methods from classes, |
87 // inheriting from us. | 85 // inheriting from us. |
88 void markAllClientsForInvalidation(InvalidationMode); | 86 void markAllClientsForInvalidation(InvalidationMode); |
89 void markAllResourceClientsForInvalidation(); | |
90 void markClientForInvalidation(LayoutObject*, InvalidationMode); | 87 void markClientForInvalidation(LayoutObject*, InvalidationMode); |
91 | 88 |
| 89 void notifyContentChanged(); |
| 90 virtual SVGElementProxySet* elementProxySet() { return nullptr; } |
| 91 |
92 void willBeDestroyed() override; | 92 void willBeDestroyed() override; |
93 | 93 |
94 bool m_isInLayout; | 94 bool m_isInLayout; |
95 | 95 |
96 private: | 96 private: |
97 friend class SVGResourcesCache; | 97 friend class SVGResourcesCache; |
98 void addClient(LayoutObject*); | 98 void addClient(LayoutObject*); |
99 void removeClient(LayoutObject*); | 99 void removeClient(LayoutObject*); |
100 void detachAllClients(); | 100 void detachAllClients(); |
101 | 101 |
102 void registerResource(); | 102 void registerResource(); |
103 | 103 |
104 AtomicString m_id; | 104 AtomicString m_id; |
105 // Track global (markAllClientsForInvalidation) invals to avoid redundant | 105 // Track global (markAllClientsForInvalidation) invals to avoid redundant |
106 // crawls. | 106 // crawls. |
107 unsigned m_invalidationMask : 8; | 107 unsigned m_invalidationMask : 8; |
108 | 108 |
109 unsigned m_registered : 1; | 109 unsigned m_registered : 1; |
110 unsigned m_isInvalidating : 1; | 110 unsigned m_isInvalidating : 1; |
111 // 22 padding bits available | 111 // 22 padding bits available |
112 | 112 |
113 HashSet<LayoutObject*> m_clients; | 113 HashSet<LayoutObject*> m_clients; |
114 PersistentHeapHashSet<WeakMember<SVGResourceClient>> m_resourceClients; | |
115 }; | 114 }; |
116 | 115 |
117 inline LayoutSVGResourceContainer* getLayoutSVGResourceContainerById( | 116 inline LayoutSVGResourceContainer* getLayoutSVGResourceContainerById( |
118 TreeScope& treeScope, | 117 TreeScope& treeScope, |
119 const AtomicString& id) { | 118 const AtomicString& id) { |
120 if (id.isEmpty()) | 119 if (id.isEmpty()) |
121 return nullptr; | 120 return nullptr; |
122 | 121 |
123 if (LayoutSVGResourceContainer* layoutResource = | 122 if (LayoutSVGResourceContainer* layoutResource = |
124 treeScope.document().accessSVGExtensions().resourceById(id)) | 123 treeScope.document().accessSVGExtensions().resourceById(id)) |
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141 isSVGResourceContainer()); | 140 isSVGResourceContainer()); |
142 | 141 |
143 #define DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(thisType, typeName) \ | 142 #define DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(thisType, typeName) \ |
144 DEFINE_TYPE_CASTS(thisType, LayoutSVGResourceContainer, resource, \ | 143 DEFINE_TYPE_CASTS(thisType, LayoutSVGResourceContainer, resource, \ |
145 resource->resourceType() == typeName, \ | 144 resource->resourceType() == typeName, \ |
146 resource.resourceType() == typeName) | 145 resource.resourceType() == typeName) |
147 | 146 |
148 } // namespace blink | 147 } // namespace blink |
149 | 148 |
150 #endif | 149 #endif |
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