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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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| 78 | 78 |
| 79 protected: | 79 protected: |
| 80 // When adding modes, make sure we don't overflow m_invalidationMask below. | 80 // When adding modes, make sure we don't overflow m_invalidationMask below. |
| 81 enum InvalidationMode { | 81 enum InvalidationMode { |
| 82 LayoutAndBoundariesInvalidation = 1 << 0, | 82 LayoutAndBoundariesInvalidation = 1 << 0, |
| 83 BoundariesInvalidation = 1 << 1, | 83 BoundariesInvalidation = 1 << 1, |
| 84 PaintInvalidation = 1 << 2, | 84 PaintInvalidation = 1 << 2, |
| 85 ParentOnlyInvalidation = 1 << 3 | 85 ParentOnlyInvalidation = 1 << 3 |
| 86 }; | 86 }; |
| 87 | 87 |
| 88 // Used from the invalidateClient/invalidateClients methods from classes, inhe
riting from us. | 88 // Used from the invalidateClient/invalidateClients methods from classes, |
| 89 // inheriting from us. |
| 89 void markAllClientsForInvalidation(InvalidationMode); | 90 void markAllClientsForInvalidation(InvalidationMode); |
| 90 void markAllResourceClientsForInvalidation(); | 91 void markAllResourceClientsForInvalidation(); |
| 91 void markClientForInvalidation(LayoutObject*, InvalidationMode); | 92 void markClientForInvalidation(LayoutObject*, InvalidationMode); |
| 92 | 93 |
| 93 void willBeDestroyed() override; | 94 void willBeDestroyed() override; |
| 94 | 95 |
| 95 bool m_isInLayout; | 96 bool m_isInLayout; |
| 96 | 97 |
| 97 private: | 98 private: |
| 98 friend class SVGResourcesCache; | 99 friend class SVGResourcesCache; |
| 99 void addClient(LayoutObject*); | 100 void addClient(LayoutObject*); |
| 100 void removeClient(LayoutObject*); | 101 void removeClient(LayoutObject*); |
| 101 void detachAllClients(); | 102 void detachAllClients(); |
| 102 | 103 |
| 103 void registerResource(); | 104 void registerResource(); |
| 104 | 105 |
| 105 AtomicString m_id; | 106 AtomicString m_id; |
| 106 // Track global (markAllClientsForInvalidation) invals to avoid redundant craw
ls. | 107 // Track global (markAllClientsForInvalidation) invals to avoid redundant |
| 108 // crawls. |
| 107 unsigned m_invalidationMask : 8; | 109 unsigned m_invalidationMask : 8; |
| 108 | 110 |
| 109 unsigned m_registered : 1; | 111 unsigned m_registered : 1; |
| 110 unsigned m_isInvalidating : 1; | 112 unsigned m_isInvalidating : 1; |
| 111 // 22 padding bits available | 113 // 22 padding bits available |
| 112 | 114 |
| 113 HashSet<LayoutObject*> m_clients; | 115 HashSet<LayoutObject*> m_clients; |
| 114 PersistentHeapHashSet<WeakMember<SVGResourceClient>> m_resourceClients; | 116 PersistentHeapHashSet<WeakMember<SVGResourceClient>> m_resourceClients; |
| 115 }; | 117 }; |
| 116 | 118 |
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| 141 isSVGResourceContainer()); | 143 isSVGResourceContainer()); |
| 142 | 144 |
| 143 #define DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(thisType, typeName) \ | 145 #define DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(thisType, typeName) \ |
| 144 DEFINE_TYPE_CASTS(thisType, LayoutSVGResourceContainer, resource, \ | 146 DEFINE_TYPE_CASTS(thisType, LayoutSVGResourceContainer, resource, \ |
| 145 resource->resourceType() == typeName, \ | 147 resource->resourceType() == typeName, \ |
| 146 resource.resourceType() == typeName) | 148 resource.resourceType() == typeName) |
| 147 | 149 |
| 148 } // namespace blink | 150 } // namespace blink |
| 149 | 151 |
| 150 #endif | 152 #endif |
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