1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef ASH_ACCELEROMETER_ACCELEROMETER_OBSERVER_H_
6#define ASH_ACCELEROMETER_ACCELEROMETER_OBSERVER_H_
7
8#include "ash/ash_export.h"
9#include "ui/accelerometer/accelerometer_types.h"
10
11namespace ash {
12
13// The interface for classes which observe accelerometer updates.
14class ASH_EXPORT AccelerometerObserver {
15 public:
16  // Invoked when an accelerometer reading has been taken. The |update| can
17  // contain readings from one or more AccelerometerSources.
18  virtual void OnAccelerometerUpdated(
19      const ui::AccelerometerUpdate& update) = 0;
20
21 protected:
22  virtual ~AccelerometerObserver() {}
23};
24
25}  // namespace ash
26
27#endif  // ASH_ACCELEROMETER_ACCELEROMETER_OBSERVER_H_
28