Index: third_party/WebKit/Source/web/CompositorProxyClientImpl.h |
diff --git a/third_party/WebKit/Source/web/CompositorProxyClientImpl.h b/third_party/WebKit/Source/web/CompositorProxyClientImpl.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8c0714b6ee6ae36c725a20372414f454da578176 |
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+++ b/third_party/WebKit/Source/web/CompositorProxyClientImpl.h |
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+// Copyright 2015 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 CompositorProxyClientImpl_h |
+#define CompositorProxyClientImpl_h |
+ |
+#include "core/dom/CompositorProxyClient.h" |
+#include "wtf/Noncopyable.h" |
+ |
+namespace blink { |
+ |
+class CompositorWorkerGlobalScope; |
+class WorkerGlobalScope; |
+ |
+// Mediates between one CompositorWorkerGlobalScope and the associated CompositorMutatorImpl. |
+// There is one CompositorProxyClientImpl per worker but there may be multiple for a given |
+// mutator, e.g. if a single document creates multiple CompositorWorker objects. |
+// |
+// Should be accessed only on the compositor thread. |
+class CompositorProxyClientImpl final : public GarbageCollected<CompositorProxyClientImpl>, public CompositorProxyClient { |
+ USING_GARBAGE_COLLECTED_MIXIN(CompositorProxyClientImpl); |
+ WTF_MAKE_NONCOPYABLE(CompositorProxyClientImpl); |
+public: |
+ CompositorProxyClientImpl(); |
+ DECLARE_VIRTUAL_TRACE(); |
+ |
+ // Runs the animation frame callback for the frame starting at the given time. |
+ // Returns true if another animation frame was requested (i.e. should be reinvoked next frame). |
+ bool mutate(double monotonicTimeNow); |
+ |
+ // CompositorProxyClient: |
+ void setGlobalScope(WorkerGlobalScope*) override; |
+ void runAnimationFrameCallbacks() override; |
+ |
+private: |
+ bool executeAnimationFrameCallbacks(double monotonicTimeNow); |
+ |
+ Member<CompositorWorkerGlobalScope> m_globalScope; |
+ bool m_requestedAnimationFrameCallbacks; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // CompositorProxyClientImpl_h |