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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 CompositorProxyClientImpl_h |
| 6 #define CompositorProxyClientImpl_h |
| 7 |
| 8 #include "core/dom/CompositorProxyClient.h" |
| 9 #include "wtf/Noncopyable.h" |
| 10 |
| 11 namespace blink { |
| 12 |
| 13 class CompositorWorkerGlobalScope; |
| 14 class WorkerGlobalScope; |
| 15 |
| 16 // Mediates between one CompositorWorkerGlobalScope and the associated Composito
rMutatorImpl. |
| 17 // There is one CompositorProxyClientImpl per worker but there may be multiple f
or a given |
| 18 // mutator, e.g. if a single document creates multiple CompositorWorker objects. |
| 19 // |
| 20 // Should be accessed only on the compositor thread. |
| 21 class CompositorProxyClientImpl final : public GarbageCollected<CompositorProxyC
lientImpl>, public CompositorProxyClient { |
| 22 USING_GARBAGE_COLLECTED_MIXIN(CompositorProxyClientImpl); |
| 23 WTF_MAKE_NONCOPYABLE(CompositorProxyClientImpl); |
| 24 public: |
| 25 CompositorProxyClientImpl(); |
| 26 DECLARE_VIRTUAL_TRACE(); |
| 27 |
| 28 // Runs the animation frame callback for the frame starting at the given tim
e. |
| 29 // Returns true if another animation frame was requested (i.e. should be rei
nvoked next frame). |
| 30 bool mutate(double monotonicTimeNow); |
| 31 |
| 32 // CompositorProxyClient: |
| 33 void setGlobalScope(WorkerGlobalScope*) override; |
| 34 void runAnimationFrameCallbacks() override; |
| 35 |
| 36 private: |
| 37 bool executeAnimationFrameCallbacks(double monotonicTimeNow); |
| 38 |
| 39 Member<CompositorWorkerGlobalScope> m_globalScope; |
| 40 bool m_requestedAnimationFrameCallbacks; |
| 41 }; |
| 42 |
| 43 } // namespace blink |
| 44 |
| 45 #endif // CompositorProxyClientImpl_h |
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