blob: 416b5de8bd6e990e57a674c01556912bac4d583f [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.
namespace cc {
class LayerTreeHostSingleThreadClient {
// Request that the client schedule a composite.
virtual void RequestScheduleComposite() {}
// Request that the client schedule a composite now, and calculate appropriate
// delay for potential future frame.
virtual void RequestScheduleAnimation() {}
// 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