chromium/src/third_party/blink/renderer/modules/xr/xr_system.idl

// Copyright 2017 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.

// https://immersive-web.github.io/webxr/#xrsystem-interface
[
    SecureContext,
    Exposed=Window,
    RuntimeEnabled=WebXR
] interface XRSystem : EventTarget {
  attribute EventHandler ondevicechange;
  [CallWith=ScriptState, DeprecateAs=XRSupportsSession, RaisesException] Promise<void> supportsSession(XRSessionMode mode);
  [CallWith=ScriptState, MeasureAs=XRIsSessionSupported, RaisesException] Promise<boolean> isSessionSupported(XRSessionMode mode);
  [CallWith=ScriptState, MeasureAs=XRRequestSession, RaisesException] Promise<XRSession> requestSession(XRSessionMode mode, optional XRSessionInit options = {});
};

// For backwards compatibility with previous interface name.
typedef XRSystem XR;