| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CompositorMutator_h |
| #define CompositorMutator_h |
| |
| #include "platform/heap/Handle.h" |
| |
| namespace blink { |
| |
| class CompositorMutator : public GarbageCollectedFinalized<CompositorMutator> { |
| public: |
| virtual ~CompositorMutator() {} |
| |
| DEFINE_INLINE_VIRTUAL_TRACE() {} |
| |
| // Called from compositor thread to run the animation frame callbacks from all |
| // connected CompositorWorkers. |
| // Returns true if any animation callbacks requested an animation frame |
| // (i.e. should be reinvoked next frame). |
| virtual bool mutate(double monotonicTimeNow) = 0; |
| }; |
| |
| } // namespace blink |
| |
| #endif // CompositorMutator_h |