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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/ActiveDOMObject.h" | |
| 9 #include "core/dom/IntersectionObserver.h" | 8 #include "core/dom/IntersectionObserver.h" |
| 9 #include "core/dom/SuspendableObject.h" |
| 10 #include "platform/heap/Handle.h" | 10 #include "platform/heap/Handle.h" |
| 11 #include "wtf/HashSet.h" | 11 #include "wtf/HashSet.h" |
| 12 #include "wtf/WeakPtr.h" | 12 #include "wtf/WeakPtr.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; | 19 class Document; |
| 20 | 20 |
| 21 class IntersectionObserverController | 21 class IntersectionObserverController |
| 22 : public GarbageCollectedFinalized<IntersectionObserverController>, | 22 : public GarbageCollectedFinalized<IntersectionObserverController>, |
| 23 public ActiveDOMObject { | 23 public SuspendableObject { |
| 24 USING_GARBAGE_COLLECTED_MIXIN(IntersectionObserverController); | 24 USING_GARBAGE_COLLECTED_MIXIN(IntersectionObserverController); |
| 25 | 25 |
| 26 public: | 26 public: |
| 27 static IntersectionObserverController* create(Document*); | 27 static IntersectionObserverController* create(Document*); |
| 28 ~IntersectionObserverController(); | 28 ~IntersectionObserverController(); |
| 29 | 29 |
| 30 void resume() override; | 30 void resume() override; |
| 31 | 31 |
| 32 void scheduleIntersectionObserverForDelivery(IntersectionObserver&); | 32 void scheduleIntersectionObserverForDelivery(IntersectionObserver&); |
| 33 void deliverIntersectionObservations(); | 33 void deliverIntersectionObservations(); |
| (...skipping 13 matching lines...) Expand all Loading... |
| 47 // callback. | 47 // callback. |
| 48 HeapHashSet<Member<IntersectionObserver>> m_pendingIntersectionObservers; | 48 HeapHashSet<Member<IntersectionObserver>> m_pendingIntersectionObservers; |
| 49 WTF::WeakPtrFactory<IntersectionObserverController> m_weakPtrFactory; | 49 WTF::WeakPtrFactory<IntersectionObserverController> m_weakPtrFactory; |
| 50 | 50 |
| 51 bool m_callbackFiredWhileSuspended; | 51 bool m_callbackFiredWhileSuspended; |
| 52 }; | 52 }; |
| 53 | 53 |
| 54 } // namespace blink | 54 } // namespace blink |
| 55 | 55 |
| 56 #endif // IntersectionObserverController_h | 56 #endif // IntersectionObserverController_h |
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