third_party/WebKit/Source/modules/sensor/OrientationSensor.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.

// Specification at:
// https://w3c.github.io/orientation-sensor/

typedef (Float32Array or Float64Array or DOMMatrix) RotationMatrixType;

[
    RuntimeEnabled=Sensor,
] interface OrientationSensor : Sensor {
    [CachedAttribute=isReadingDirty] readonly attribute FrozenArray<double>? quaternion;
    [RaisesException, MeasureAs=OrientationSensorPopulateMatrix] void populateMatrix(RotationMatrixType targetBuffer);
};