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1 // Copyright 2015 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 IntersectionObserverController_h | |
6 #define IntersectionObserverController_h | |
7 | |
8 #include "core/dom/Element.h" | |
9 #include "core/dom/IntersectionObserver.h" | |
10 #include "platform/Timer.h" | |
11 #include "platform/heap/Handle.h" | |
12 #include "wtf/HashSet.h" | |
13 #include "wtf/RefCounted.h" | |
sof
2015/12/30 13:09:33
Not needed.
szager1
2016/01/02 18:05:59
Done.
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14 | |
15 namespace blink { | |
16 | |
17 class Document; | |
sof
2015/12/30 13:09:33
not needed.
szager1
2016/01/02 18:05:59
Done.
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18 template<typename T> class Timer; | |
sof
2015/12/30 13:09:33
shouldn't be needed here (now?)
szager1
2016/01/02 18:05:59
Done.
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19 | |
20 class IntersectionObserverController : public GarbageCollectedFinalized<Intersec tionObserverController> { | |
21 public: | |
22 IntersectionObserverController(); | |
23 ~IntersectionObserverController(); | |
24 | |
25 void scheduleIntersectionObserverForDelivery(IntersectionObserver&); | |
26 void resumeSuspendedIntersectionObservers(); | |
27 void deliverIntersectionObservations(Timer<IntersectionObserverController>*) ; | |
28 void computeTrackedIntersectionObservations(); | |
29 void addTrackedObserver(IntersectionObserver&); | |
30 void removeTrackedObserversForRoot(Element&); | |
31 void dispose(); | |
32 | |
33 DECLARE_TRACE(); | |
34 | |
35 private: | |
36 // Design doc for IntersectionObserver implementation: | |
37 // https://docs.google.com/a/google.com/document/d/1hLK0eyT5_BzyNS4Okjsnoq qFQDYCbKfyBinj94OnLiQ | |
38 | |
39 Timer<IntersectionObserverController> m_timer; | |
40 // IntersectionObservers for which this is the tracking document. | |
41 HeapHashSet<WeakMember<IntersectionObserver>> m_trackedIntersectionObservers ; | |
42 // IntersectionObservers for which this is the execution context of the call back. | |
43 HeapHashSet<Member<IntersectionObserver>> m_activeIntersectionObservers; | |
44 HeapHashSet<Member<IntersectionObserver>> m_suspendedIntersectionObservers; | |
45 }; | |
46 | |
47 } // namespace blink | |
48 | |
49 #endif // IntersectionObservationRegistry_h | |
sof
2015/12/30 13:09:33
doesn't quite match up.
szager1
2016/01/02 18:05:59
Fixed.
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