hal/HalSensor.h
author Marco Bonardo <mbonardo@mozilla.com>
Thu, 12 Apr 2012 10:37:54 +0200
changeset 91503 71539685fa1af07cf7261d02da0df5f9afd01eaa
parent 89928 96bcc799772727243f4ec99f4d04acb7a9787e39
child 93101 bbdf0f8c06a8274828ff5d8b0a9f7756b399493d
permissions -rw-r--r--
Bug 743490 - Frequent test_redirects.js | test failed. r=dietrich

/* -*- 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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 *   Sinker Li <thinker@codemud.net>
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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,
  SENSOR_LINEAR_ACCELERATION,
  SENSOR_GYROSCOPE,
  NUM_SENSOR_TYPE
};

class SensorData;

typedef Observer<SensorData> ISensorObserver;

/**
 * Enumeration of sensor accuracy types.
 */
enum SensorAccuracyType {
  SENSOR_ACCURACY_UNKNOWN = -1,
  SENSOR_ACCURACY_UNRELIABLE,
  SENSOR_ACCURACY_LOW,
  SENSOR_ACCURACY_MED,
  SENSOR_ACCURACY_HIGH,
  NUM_SENSOR_ACCURACY_TYPE
};

class SensorAccuracy;

typedef Observer<SensorAccuracy> ISensorAccuracyObserver;

}
}

#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> {
  };

  template <>
  struct ParamTraits<mozilla::hal::SensorAccuracyType>:
    public EnumSerializer<mozilla::hal::SensorAccuracyType,
                          mozilla::hal::SENSOR_ACCURACY_UNKNOWN,
                          mozilla::hal::NUM_SENSOR_ACCURACY_TYPE> {

  };
} // namespace IPC

#endif /* __HAL_SENSOR_H_ */