modules/mediastream/MediaDevices.idl

// Copyright 2015 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.

// The spec for MediaDevices is in two parts:
// https://w3c.github.io/mediacapture-main/#mediadevices
// https://w3c.github.io/mediacapture-main/#mediadevices-interface-extensions

[
    ActiveScriptWrappable,
    DependentLifetime
] interface MediaDevices : EventTarget {
    [RuntimeEnabled=OnDeviceChange] attribute EventHandler ondevicechange;
    [CallWith=ScriptState, MeasureAs=MediaDevicesEnumerateDevices] Promise<sequence<MediaDeviceInfo>> enumerateDevices();
    MediaTrackSupportedConstraints getSupportedConstraints();
    [CallWith=ScriptState,
     RaisesException,
     MeasureAs=GetUserMediaPromise
    ] Promise<MediaStream> getUserMedia(optional MediaStreamConstraints constraints);
};