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| 1 /* | 1 /* |
| 2 * Copyright (C) 2014 Google Inc. All rights reserved. | 2 * Copyright (C) 2014 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef InvalidationSet_h | 31 #ifndef InvalidationSet_h |
| 32 #define InvalidationSet_h | 32 #define InvalidationSet_h |
| 33 | 33 |
| 34 #include "core/CoreExport.h" | 34 #include "core/CoreExport.h" |
| 35 #include "wtf/Allocator.h" |
| 35 #include "wtf/Assertions.h" | 36 #include "wtf/Assertions.h" |
| 36 #include "wtf/Forward.h" | 37 #include "wtf/Forward.h" |
| 37 #include "wtf/HashSet.h" | 38 #include "wtf/HashSet.h" |
| 38 #include "wtf/RefCounted.h" | 39 #include "wtf/RefCounted.h" |
| 39 #include "wtf/RefPtr.h" | 40 #include "wtf/RefPtr.h" |
| 40 #include "wtf/text/AtomicStringHash.h" | 41 #include "wtf/text/AtomicStringHash.h" |
| 41 #include "wtf/text/StringHash.h" | 42 #include "wtf/text/StringHash.h" |
| 42 | 43 |
| 43 namespace blink { | 44 namespace blink { |
| 44 | 45 |
| 45 class DescendantInvalidationSet; | 46 class DescendantInvalidationSet; |
| 46 class Element; | 47 class Element; |
| 47 class TracedValue; | 48 class TracedValue; |
| 48 | 49 |
| 49 enum InvalidationType { | 50 enum InvalidationType { |
| 50 InvalidateDescendants, | 51 InvalidateDescendants, |
| 51 InvalidateSiblings | 52 InvalidateSiblings |
| 52 }; | 53 }; |
| 53 | 54 |
| 54 // Tracks data to determine which descendants in a DOM subtree, or | 55 // Tracks data to determine which descendants in a DOM subtree, or |
| 55 // siblings and their descendants, need to have style recalculated. | 56 // siblings and their descendants, need to have style recalculated. |
| 56 class CORE_EXPORT InvalidationSet : public RefCounted<InvalidationSet> { | 57 class CORE_EXPORT InvalidationSet : public RefCounted<InvalidationSet> { |
| 57 WTF_MAKE_NONCOPYABLE(InvalidationSet); | 58 WTF_MAKE_NONCOPYABLE(InvalidationSet); |
| 59 USING_FAST_MALLOC_WITH_TYPE_NAME(blink::InvalidationSet); |
| 58 public: | 60 public: |
| 59 virtual ~InvalidationSet() {} | 61 virtual ~InvalidationSet() {} |
| 60 | 62 |
| 61 virtual bool isDescendantInvalidationSet() const { return false; } | 63 virtual bool isDescendantInvalidationSet() const { return false; } |
| 62 virtual bool isSiblingInvalidationSet() const { return false; } | 64 virtual bool isSiblingInvalidationSet() const { return false; } |
| 63 | 65 |
| 64 static void cacheTracingFlag(); | 66 static void cacheTracingFlag(); |
| 65 | 67 |
| 66 bool invalidatesElement(Element&) const; | 68 bool invalidatesElement(Element&) const; |
| 67 | 69 |
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| 182 InvalidationSetVector descendants; | 184 InvalidationSetVector descendants; |
| 183 InvalidationSetVector siblings; | 185 InvalidationSetVector siblings; |
| 184 }; | 186 }; |
| 185 | 187 |
| 186 DEFINE_TYPE_CASTS(DescendantInvalidationSet, InvalidationSet, value, value->isDe
scendantInvalidationSet(), value.isDescendantInvalidationSet()); | 188 DEFINE_TYPE_CASTS(DescendantInvalidationSet, InvalidationSet, value, value->isDe
scendantInvalidationSet(), value.isDescendantInvalidationSet()); |
| 187 DEFINE_TYPE_CASTS(SiblingInvalidationSet, InvalidationSet, value, value->isSibli
ngInvalidationSet(), value.isSiblingInvalidationSet()); | 189 DEFINE_TYPE_CASTS(SiblingInvalidationSet, InvalidationSet, value, value->isSibli
ngInvalidationSet(), value.isSiblingInvalidationSet()); |
| 188 | 190 |
| 189 } // namespace blink | 191 } // namespace blink |
| 190 | 192 |
| 191 #endif // InvalidationSet_h | 193 #endif // InvalidationSet_h |
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