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