gecko/hal/HalSensor.h
Sinker Li d65d8e1017 Bug 697641, part 2: Add a hal API for sensor access. r=cjones
With this API, Gecko code can access sensors provied by system.  This
patch include an implementation for Android.
2012-02-05 19:51:06 +00:00

84 lines
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: sw=2 ts=8 et ft=cpp : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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
* the License. You may obtain a copy of the License at:
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Sinker Li <thinker@codemud.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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_ */