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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 IntersectionObserverController_h | 5 #ifndef IntersectionObserverController_h |
6 #define IntersectionObserverController_h | 6 #define IntersectionObserverController_h |
7 | 7 |
8 #include "core/dom/Element.h" | 8 #include "core/dom/ActiveDOMObject.h" |
9 #include "core/dom/IdleRequestCallback.h" | 9 #include "core/dom/IdleRequestCallback.h" |
10 #include "core/dom/IntersectionObserver.h" | 10 #include "core/dom/IntersectionObserver.h" |
11 #include "platform/heap/Handle.h" | 11 #include "platform/heap/Handle.h" |
12 #include "wtf/HashSet.h" | 12 #include "wtf/HashSet.h" |
13 | 13 |
14 // Design doc for IntersectionObserver implementation: | 14 // Design doc for IntersectionObserver implementation: |
15 // https://docs.google.com/a/google.com/document/d/1hLK0eyT5_BzyNS4OkjsnoqqFQD
YCbKfyBinj94OnLiQ | 15 // https://docs.google.com/a/google.com/document/d/1hLK0eyT5_BzyNS4OkjsnoqqFQD
YCbKfyBinj94OnLiQ |
16 | 16 |
17 namespace blink { | 17 namespace blink { |
18 | 18 |
| 19 class Document; |
| 20 |
19 class IntersectionObserverController : public IdleRequestCallback, public Active
DOMObject { | 21 class IntersectionObserverController : public IdleRequestCallback, public Active
DOMObject { |
20 USING_GARBAGE_COLLECTED_MIXIN(IntersectionObserverController); | 22 USING_GARBAGE_COLLECTED_MIXIN(IntersectionObserverController); |
21 public: | 23 public: |
22 static IntersectionObserverController* create(Document*); | 24 static IntersectionObserverController* create(Document*); |
23 ~IntersectionObserverController(); | 25 ~IntersectionObserverController(); |
24 | 26 |
25 void resume() override; | 27 void resume() override; |
26 void handleEvent(IdleDeadline*) override; | 28 void handleEvent(IdleDeadline*) override; |
27 | 29 |
28 void scheduleIntersectionObserverForDelivery(IntersectionObserver&); | 30 void scheduleIntersectionObserverForDelivery(IntersectionObserver&); |
(...skipping 13 matching lines...) Expand all Loading... |
42 // IntersectionObservers for which this is the execution context of the call
back. | 44 // IntersectionObservers for which this is the execution context of the call
back. |
43 HeapHashSet<Member<IntersectionObserver>> m_pendingIntersectionObservers; | 45 HeapHashSet<Member<IntersectionObserver>> m_pendingIntersectionObservers; |
44 | 46 |
45 int m_callbackID; | 47 int m_callbackID; |
46 bool m_callbackFiredWhileSuspended; | 48 bool m_callbackFiredWhileSuspended; |
47 }; | 49 }; |
48 | 50 |
49 } // namespace blink | 51 } // namespace blink |
50 | 52 |
51 #endif // IntersectionObserverController_h | 53 #endif // IntersectionObserverController_h |
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