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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 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 FrameRequestCallbackCollection_h | 5 #ifndef FrameRequestCallbackCollection_h |
| 6 #define FrameRequestCallbackCollection_h | 6 #define FrameRequestCallbackCollection_h |
| 7 | 7 |
| 8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
| 9 #include "platform/heap/Handle.h" | 9 #include "platform/heap/Handle.h" |
| 10 | 10 |
| 11 namespace blink { | 11 namespace blink { |
| 12 | 12 |
| 13 class ExecutionContext; | 13 class ExecutionContext; |
| 14 class FrameRequestCallback; | 14 class FrameRequestCallback; |
| 15 | 15 |
| 16 class CORE_EXPORT FrameRequestCallbackCollection final { | 16 class CORE_EXPORT FrameRequestCallbackCollection final { |
| 17 DISALLOW_ALLOCATION(); | 17 DISALLOW_NEW(); |
| 18 public: | 18 public: |
| 19 explicit FrameRequestCallbackCollection(ExecutionContext*); | 19 explicit FrameRequestCallbackCollection(ExecutionContext*); |
| 20 | 20 |
| 21 using CallbackId = int; | 21 using CallbackId = int; |
| 22 CallbackId registerCallback(FrameRequestCallback*); | 22 CallbackId registerCallback(FrameRequestCallback*); |
| 23 void cancelCallback(CallbackId); | 23 void cancelCallback(CallbackId); |
| 24 void executeCallbacks(double highResNowMs, double highResNowMsLegacy); | 24 void executeCallbacks(double highResNowMs, double highResNowMsLegacy); |
| 25 | 25 |
| 26 bool isEmpty() const { return !m_callbacks.size(); } | 26 bool isEmpty() const { return !m_callbacks.size(); } |
| 27 | 27 |
| 28 DECLARE_TRACE(); | 28 DECLARE_TRACE(); |
| 29 | 29 |
| 30 private: | 30 private: |
| 31 using CallbackList = PersistentHeapVectorWillBeHeapVector<Member<FrameReques
tCallback>>; | 31 using CallbackList = PersistentHeapVectorWillBeHeapVector<Member<FrameReques
tCallback>>; |
| 32 CallbackList m_callbacks; | 32 CallbackList m_callbacks; |
| 33 CallbackList m_callbacksToInvoke; // only non-empty while inside executeCall
backs | 33 CallbackList m_callbacksToInvoke; // only non-empty while inside executeCall
backs |
| 34 | 34 |
| 35 CallbackId m_nextCallbackId = 0; | 35 CallbackId m_nextCallbackId = 0; |
| 36 | 36 |
| 37 RawPtrWillBeMember<ExecutionContext> m_context; | 37 RawPtrWillBeMember<ExecutionContext> m_context; |
| 38 }; | 38 }; |
| 39 | 39 |
| 40 } // namespace blink | 40 } // namespace blink |
| 41 | 41 |
| 42 #endif // FrameRequestCallbackCollection_h | 42 #endif // FrameRequestCallbackCollection_h |
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