ash/accelerometer/accelerometer_observer.h

   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
  11 namespace ash {
  12
  13 // The interface for classes which observe accelerometer updates.
  14 class 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_