third_party/WebKit/Source/core/dom/NodeIntersectionObserverData.h - Issue 1580783003: Revert of Use Document, rather than document element, for implicit root.

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Issue 1580783003: Revert of Use Document, rather than document element, for implicit root. (Closed) Base URL: https://chromium.googlesource.com/chromium/src@intersection-observer

Patch Set: Created 4 years, 11 months ago

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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

3 // found in the LICENSE file.

4

5 #ifndef NodeIntersectionObserverData_h

6 #define NodeIntersectionObserverData_h

7

8 #include "platform/heap/Handle.h"

9

10 namespace blink {

11

12 class Node;

13 class IntersectionObservation;

14 class IntersectionObserver;

15

16 class NodeIntersectionObserverData : public GarbageCollectedFinalized<NodeInters ectionObserverData> {

17 public:

18 DECLARE_TRACE();

19 NodeIntersectionObserverData();

20 ~NodeIntersectionObserverData();

21

22 bool hasIntersectionObserver() const;

23 bool hasIntersectionObservation() const;

24 IntersectionObservation* getObservationFor(IntersectionObserver&);

25 void addObservation(IntersectionObservation&);

26 void removeObservation(IntersectionObserver&);

27 void activateValidIntersectionObservers(Node&);

28 void deactivateAllIntersectionObservers(Node&);

29

30 #if !ENABLE(OILPAN)

31 void dispose();

32 #endif

33

34 WeakPtrWillBeRawPtr<Node> createWeakPtr(Node*);

35

36 private:

37 // IntersectionObservers for which the Node owning this data is root.

38 HeapHashSet<WeakMember<IntersectionObserver>> m_intersectionObservers;

39 // IntersectionObservations for which the Node owning this data is target.

40 HeapHashMap<Member<IntersectionObserver>, Member<IntersectionObservation>> m _intersectionObservations;

41

42 #if !ENABLE(OILPAN)

43 OwnPtr<WeakPtrFactory<Node>> m_weakPointerFactory;

44 #endif

45 };

46

47 } // namespace blink

48

49 #endif // NodeIntersectionObserverData_h

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