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  * If you add or change any here, do the same in GeckoHalDefines.java.
  19  */
  20 enum SensorType {
  21   SENSOR_UNKNOWN = -1,
  22   SENSOR_ORIENTATION = 0,
  23   SENSOR_ACCELERATION = 1,
  24   SENSOR_PROXIMITY = 2,
  25   SENSOR_LINEAR_ACCELERATION = 3,
  26   SENSOR_GYROSCOPE = 4,
  27   SENSOR_LIGHT = 5,
  28   SENSOR_ROTATION_VECTOR = 6,
  29   SENSOR_GAME_ROTATION_VECTOR = 7,
  30   NUM_SENSOR_TYPE
  31 };
  32
  33 class SensorData;
  34
  35 typedef Observer<SensorData> ISensorObserver;
  36
  37 /**
  38  * Enumeration of sensor accuracy types.
  39  */
  40 enum SensorAccuracyType {
  41   SENSOR_ACCURACY_UNKNOWN = -1,
  42   SENSOR_ACCURACY_UNRELIABLE,
  43   SENSOR_ACCURACY_LOW,
  44   SENSOR_ACCURACY_MED,
  45   SENSOR_ACCURACY_HIGH,
  46   NUM_SENSOR_ACCURACY_TYPE
  47 };
  48
  49 class SensorAccuracy;
  50
  51 typedef Observer<SensorAccuracy> ISensorAccuracyObserver;
  52
  53 } // namespace hal
  54 } // namespace mozilla
  55
  56 #include "ipc/IPCMessageUtils.h"
  57
  58 namespace IPC {
  59   /**
  60    * Serializer for SensorType
  61    */
  62   template <>
  63   struct ParamTraits<mozilla::hal::SensorType>:
  64     public ContiguousEnumSerializer<
  65              mozilla::hal::SensorType,
  66              mozilla::hal::SENSOR_UNKNOWN,
  67              mozilla::hal::NUM_SENSOR_TYPE> {
  68   };
  69
  70   template <>
  71   struct ParamTraits<mozilla::hal::SensorAccuracyType>:
  72     public ContiguousEnumSerializer<
  73              mozilla::hal::SensorAccuracyType,
  74              mozilla::hal::SENSOR_ACCURACY_UNKNOWN,
  75              mozilla::hal::NUM_SENSOR_ACCURACY_TYPE> {
  76
  77   };
  78 } // namespace IPC
  79
  80 #endif /* __HAL_SENSOR_H_ */