hal/HalSensor.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set sw=2 ts=8 et ft=cpp : */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef __HAL_SENSOR_H_
   8 #define __HAL_SENSOR_H_
   9
  10 #include "mozilla/Observer.h"
  11
  12 namespace mozilla {
  13 namespace hal {
  14
  15 /**
  16  * Enumeration of sensor types.  They are used to specify type while
  17  * register or unregister an observer for a sensor of given type.
  18  */
  19 enum SensorType {
  20   SENSOR_UNKNOWN = -1,
  21   SENSOR_ORIENTATION,
  22   SENSOR_ACCELERATION,
  23   SENSOR_PROXIMITY,
  24   SENSOR_LINEAR_ACCELERATION,
  25   SENSOR_GYROSCOPE,
  26   SENSOR_LIGHT,
  27   NUM_SENSOR_TYPE
  28 };
  29
  30 class SensorData;
  31
  32 typedef Observer<SensorData> ISensorObserver;
  33
  34 /**
  35  * Enumeration of sensor accuracy types.
  36  */
  37 enum SensorAccuracyType {
  38   SENSOR_ACCURACY_UNKNOWN = -1,
  39   SENSOR_ACCURACY_UNRELIABLE,
  40   SENSOR_ACCURACY_LOW,
  41   SENSOR_ACCURACY_MED,
  42   SENSOR_ACCURACY_HIGH,
  43   NUM_SENSOR_ACCURACY_TYPE
  44 };
  45
  46 class SensorAccuracy;
  47
  48 typedef Observer<SensorAccuracy> ISensorAccuracyObserver;
  49
  50 }
  51 }
  52
  53 #include "ipc/IPCMessageUtils.h"
  54
  55 namespace IPC {
  56   /**
  57    * Serializer for SensorType
  58    */
  59   template <>
  60   struct ParamTraits<mozilla::hal::SensorType>:
  61     public ContiguousEnumSerializer<
  62              mozilla::hal::SensorType,
  63              mozilla::hal::SENSOR_UNKNOWN,
  64              mozilla::hal::NUM_SENSOR_TYPE> {
  65   };
  66
  67   template <>
  68   struct ParamTraits<mozilla::hal::SensorAccuracyType>:
  69     public ContiguousEnumSerializer<
  70              mozilla::hal::SensorAccuracyType,
  71              mozilla::hal::SENSOR_ACCURACY_UNKNOWN,
  72              mozilla::hal::NUM_SENSOR_ACCURACY_TYPE> {
  73
  74   };
  75 } // namespace IPC
  76
  77 #endif /* __HAL_SENSOR_H_ */