HalSensor.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: sw=2 ts=8 et ft=cpp : */
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
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 * The Original Code is Mozilla Code.
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 * The Initial Developer of the Original Code is
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 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Sinker Li <thinker@codemud.net>
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
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#ifndef __HAL_SENSOR_H_
#define __HAL_SENSOR_H_

#include "mozilla/Observer.h"

namespace mozilla {
namespace hal {

/**
 * Enumeration of sensor types.  They are used to specify type while
 * register or unregister an observer for a sensor of given type.
 */
enum SensorType {
  SENSOR_UNKNOWN = -1,
  SENSOR_ORIENTATION,
  SENSOR_ACCELERATION,
  SENSOR_PROXIMITY,
  NUM_SENSOR_TYPE
};

class SensorData;

typedef Observer<SensorData> ISensorObserver;

}
}


#include "IPC/IPCMessageUtils.h"

namespace IPC {
  /**
   * Serializer for SensorType
   */
  template <>
  struct ParamTraits<mozilla::hal::SensorType>:
    public EnumSerializer<mozilla::hal::SensorType,
                          mozilla::hal::SENSOR_UNKNOWN,
                          mozilla::hal::NUM_SENSOR_TYPE> {
  };

} // namespace IPC

#endif /* __HAL_SENSOR_H_ */