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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 RequestAnimationFrameCallbackCollection_h | |
6 #define RequestAnimationFrameCallbackCollection_h | |
7 | |
8 #include "platform/heap/Handle.h" | |
9 | |
10 namespace blink { | |
11 | |
12 class ExecutionContext; | |
13 class RequestAnimationFrameCallback; | |
14 | |
15 class RequestAnimationFrameCallbackCollection { | |
esprehn
2015/03/30 18:36:38
final
sadrul
2015/03/30 18:40:47
Done.
| |
16 public: | |
17 explicit RequestAnimationFrameCallbackCollection(ExecutionContext*); | |
18 | |
19 typedef int CallbackId; | |
20 CallbackId registerCallback(RequestAnimationFrameCallback*); | |
21 void cancelCallback(CallbackId); | |
22 void executeCallbacks(double highResNowMs, double highResNowMsLegacy); | |
23 | |
24 bool empty() const { return !m_callbacks.size() && !m_callbacksToInvoke.size (); } | |
25 | |
26 DECLARE_TRACE(); | |
27 | |
28 private: | |
29 typedef PersistentHeapVectorWillBeHeapVector<Member<RequestAnimationFrameCal lback>> CallbackList; | |
30 CallbackList m_callbacks; | |
31 CallbackList m_callbacksToInvoke; // only non-empty while inside executeCall backs | |
32 | |
33 CallbackId m_nextCallbackId = 0; | |
34 | |
35 ExecutionContext* m_context = nullptr; | |
36 }; | |
37 | |
38 } // namespace blink | |
39 | |
40 #endif // RequestAnimationFrameCallbackCollection_h | |
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