gecko/hal/android/AndroidSensor.cpp
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

76 lines
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* Sinker Li <thinker@codemud.net>
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#include "Hal.h"
#include "AndroidBridge.h"
using namespace mozilla::hal;
namespace mozilla {
namespace hal_impl {
/**
* Translate ID of sensor type from Sensor service to Android.
*
* Must be consistent with the definition of sensor types in
* embedding/android/GeckoAppShell.java
*/
static int
MapSensorType(SensorType aSensorType) {
return (SENSOR_UNKNOWN <= aSensorType && aSensorType < NUM_SENSOR_TYPE) ?
aSensorType + 1 : -1;
}
void
EnableSensorNotifications(SensorType aSensor) {
int androidSensor = MapSensorType(aSensor);
MOZ_ASSERT(androidSensor != -1);
AndroidBridge::Bridge()->EnableSensor(androidSensor);
}
void
DisableSensorNotifications(SensorType aSensor) {
int androidSensor = MapSensorType(aSensor);
MOZ_ASSERT(androidSensor != -1);
AndroidBridge::Bridge()->DisableSensor(androidSensor);
}
} // hal_impl
} // mozilla