chromium/device/vr/public/cpp/xr_frame_sink_client.h

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef DEVICE_VR_PUBLIC_CPP_XR_FRAME_SINK_CLIENT_H_
#define DEVICE_VR_PUBLIC_CPP_XR_FRAME_SINK_CLIENT_H_

#include <memory>
#include <optional>

#include "base/component_export.h"
#include "base/functional/callback_forward.h"
#include "services/viz/privileged/mojom/compositing/frame_sink_manager.mojom-forward.h"

namespace viz {
class FrameSinkId;
class SurfaceId;
}  // namespace viz
namespace device {

// Helper enum used to describe if DOMOverlay should attempt to be setup, and if
// it should, if initialization should fail if it is unable to be setup.
enum DomOverlaySetup { … };

// There are a handful of methods to create/register RootCompositorFrameSinks
// that must be run on the UI thread; however, the interfaces that need to be
// called are restricted to //content. This interface is designed to allow
// injection and encapsulation of those calls for XR Runtimes that are creating
// a RootCompositorFrameSink.
class COMPONENT_EXPORT(VR_PUBLIC_CPP) XrFrameSinkClient { … };

// This factory must be run on the UI thread, so that the XrFrameSinkClient can
// be created and destroyed on the UI thread.
XrFrameSinkClientFactory;
}  // namespace device

#endif  // DEVICE_VR_PUBLIC_CPP_XR_FRAME_SINK_CLIENT_H_