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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 ResizeObserverController_h |
| 6 #define ResizeObserverController_h |
| 7 |
| 8 #include "platform/heap/Handle.h" |
| 9 |
| 10 namespace blink { |
| 11 |
| 12 class ResizeObserver; |
| 13 |
| 14 // ResizeObserverController keeps track of all ResizeObservers |
| 15 // in a single Document. |
| 16 class ResizeObserverController final : public GarbageCollected<ResizeObserverCon
troller> { |
| 17 public: |
| 18 ResizeObserverController(); |
| 19 |
| 20 void addObserver(ResizeObserver&); |
| 21 |
| 22 DECLARE_TRACE(); |
| 23 |
| 24 private: |
| 25 // Active observers |
| 26 HeapHashSet<WeakMember<ResizeObserver>> m_observers; |
| 27 }; |
| 28 |
| 29 } // namespace blink |
| 30 |
| 31 #endif |
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