OLD | NEW |
1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NodeIntersectionObserverData_h | 5 #ifndef NodeIntersectionObserverData_h |
6 #define NodeIntersectionObserverData_h | 6 #define NodeIntersectionObserverData_h |
7 | 7 |
8 #include "platform/heap/Handle.h" | 8 #include "platform/heap/Handle.h" |
9 | 9 |
10 namespace blink { | 10 namespace blink { |
11 | 11 |
12 class Node; | 12 class Node; |
13 class IntersectionObservation; | 13 class IntersectionObservation; |
14 class IntersectionObserver; | 14 class IntersectionObserver; |
15 | 15 |
16 class NodeIntersectionObserverData : public GarbageCollectedFinalized<NodeInters
ectionObserverData> { | 16 class NodeIntersectionObserverData : public GarbageCollected<NodeIntersectionObs
erverData> { |
17 public: | 17 public: |
18 DECLARE_TRACE(); | 18 DECLARE_TRACE(); |
19 NodeIntersectionObserverData(); | 19 NodeIntersectionObserverData(); |
20 ~NodeIntersectionObserverData(); | |
21 | 20 |
22 IntersectionObservation* getObservationFor(IntersectionObserver&); | 21 IntersectionObservation* getObservationFor(IntersectionObserver&); |
23 void addObservation(IntersectionObservation&); | 22 void addObservation(IntersectionObservation&); |
24 void removeObservation(IntersectionObserver&); | 23 void removeObservation(IntersectionObserver&); |
25 void activateValidIntersectionObservers(Node&); | 24 void activateValidIntersectionObservers(Node&); |
26 void deactivateAllIntersectionObservers(Node&); | 25 void deactivateAllIntersectionObservers(Node&); |
27 | 26 |
28 private: | 27 private: |
29 // IntersectionObservers for which the Node owning this data is root. | 28 // IntersectionObservers for which the Node owning this data is root. |
30 HeapHashSet<WeakMember<IntersectionObserver>> m_intersectionObservers; | 29 HeapHashSet<WeakMember<IntersectionObserver>> m_intersectionObservers; |
31 // IntersectionObservations for which the Node owning this data is target. | 30 // IntersectionObservations for which the Node owning this data is target. |
32 HeapHashMap<Member<IntersectionObserver>, Member<IntersectionObservation>> m
_intersectionObservations; | 31 HeapHashMap<Member<IntersectionObserver>, Member<IntersectionObservation>> m
_intersectionObservations; |
33 }; | 32 }; |
34 | 33 |
35 } // namespace blink | 34 } // namespace blink |
36 | 35 |
37 #endif // NodeIntersectionObserverData_h | 36 #endif // NodeIntersectionObserverData_h |
OLD | NEW |