third_party/WebKit/Source/core/dom/IntersectionObserver.h - Issue 1998733002: IntersectionObserver: add thresholds attribute.

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Issue 1998733002: IntersectionObserver: add thresholds attribute. (Closed) Base URL: https://chromium.googlesource.com/chromium/src@master

Patch Set: test expectation fix Created 4 years, 7 months ago

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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 IntersectionObserver_h	5 #ifndef IntersectionObserver_h

6 #define IntersectionObserver_h	6 #define IntersectionObserver_h

7	7

8 #include "bindings/core/v8/ScriptWrappable.h"	8 #include "bindings/core/v8/ScriptWrappable.h"

9 #include "core/dom/IntersectionObservation.h"	9 #include "core/dom/IntersectionObservation.h"

10 #include "core/dom/IntersectionObserverEntry.h"	10 #include "core/dom/IntersectionObserverEntry.h"

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28 static IntersectionObserver* create(const IntersectionObserverInit&, Interse ctionObserverCallback&, ExceptionState&);	28 static IntersectionObserver* create(const IntersectionObserverInit&, Interse ctionObserverCallback&, ExceptionState&);

29 static void resumeSuspendedObservers();	29 static void resumeSuspendedObservers();

30	30

31 // API methods	31 // API methods

32 void observe(Element*);	32 void observe(Element*);

33 void unobserve(Element*);	33 void unobserve(Element*);

34 void disconnect();	34 void disconnect();

35 HeapVector<Member<IntersectionObserverEntry>> takeRecords();	35 HeapVector<Member<IntersectionObserverEntry>> takeRecords();

36 Element* root() const;	36 Element* root() const;

37 String rootMargin() const;	37 String rootMargin() const;

	38 const Vector<float>& thresholds() const { return m_thresholds; }

38	39

39 Node* rootNode() const { return m_root.get(); }	40 Node* rootNode() const { return m_root.get(); }

40 LayoutObject* rootLayoutObject() const;	41 LayoutObject* rootLayoutObject() const;

41 const Length& topMargin() const { return m_topMargin; }	42 const Length& topMargin() const { return m_topMargin; }

42 const Length& rightMargin() const { return m_rightMargin; }	43 const Length& rightMargin() const { return m_rightMargin; }

43 const Length& bottomMargin() const { return m_bottomMargin; }	44 const Length& bottomMargin() const { return m_bottomMargin; }

44 const Length& leftMargin() const { return m_leftMargin; }	45 const Length& leftMargin() const { return m_leftMargin; }

45 void computeIntersectionObservations();	46 void computeIntersectionObservations();

46 void enqueueIntersectionObserverEntry(IntersectionObserverEntry&);	47 void enqueueIntersectionObserverEntry(IntersectionObserverEntry&);

47 void applyRootMargin(LayoutRect&) const;	48 void applyRootMargin(LayoutRect&) const;

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64 Vector<float> m_thresholds;	65 Vector<float> m_thresholds;

65 Length m_topMargin;	66 Length m_topMargin;

66 Length m_rightMargin;	67 Length m_rightMargin;

67 Length m_bottomMargin;	68 Length m_bottomMargin;

68 Length m_leftMargin;	69 Length m_leftMargin;

69 };	70 };

70	71

71 } // namespace blink	72 } // namespace blink

72	73

73 #endif // IntersectionObserver_h	74 #endif // IntersectionObserver_h

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