blob: f2ce8e185976623736bd598526499756ed08d783 [file] [log] [blame]
// Copyright 2013 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.
#include "base/time/time.h"
namespace cc {
class LayerTreeHostSingleThreadClient {
// Request that the client schedule a composite. For tests using single thread
// without a scheduler.
virtual void RequestScheduleComposite() {}
// Called whenever the begin frame interval changes. This interval can be used
// for animations.
virtual void FrameIntervalUpdated(base::TimeDelta interval) {}
// Called whenever the compositor submits a CompositorFrame. Afterward,
// LayerTreeHostClient::DidReceiveCompositorFrameAck() will be called once the
// display compositor/ finishes processing the frame. So these functions can
// be used to keep track of pending submitted CompositorFrames for rate
// limiting.
virtual void DidSubmitCompositorFrame() = 0;
// Called when the active LayerTreeFrameSink is lost and needs to be
// replaced. This allows the embedder to schedule a composite which will
// run the machinery to acquire a new LayerTreeFrameSink.
virtual void DidLoseLayerTreeFrameSink() = 0;
virtual ~LayerTreeHostSingleThreadClient() {}
} // namespace cc