chromium/content/public/browser/browser_xr_runtime.h

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_BROWSER_XR_RUNTIME_H_
#define CONTENT_PUBLIC_BROWSER_BROWSER_XR_RUNTIME_H_

#include "base/observer_list_types.h"
#include "content/common/content_export.h"
#include "device/vr/public/mojom/vr_service.mojom.h"

namespace content {

class WebContents;

// This interface allows observing the state of the XR service for a particular
// runtime. In particular, observers may currently know when the browser
// considers a WebContents presenting to an immersive headset. Implementers of
// this interface will be called on the main browser thread. Currently this is
// used on Windows to drive overlays.
class CONTENT_EXPORT BrowserXRRuntime { … };

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_BROWSER_XR_RUNTIME_H_