|  | /* | 
|  | * Copyright (C) 2010 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | #ifndef ANDROID_GRAVITY_SENSOR_H | 
|  | #define ANDROID_GRAVITY_SENSOR_H | 
|  |  | 
|  | #include <stdint.h> | 
|  | #include <sys/types.h> | 
|  |  | 
|  | #include <gui/Sensor.h> | 
|  |  | 
|  | #include "SensorInterface.h" | 
|  |  | 
|  | // --------------------------------------------------------------------------- | 
|  | namespace android { | 
|  | // --------------------------------------------------------------------------- | 
|  |  | 
|  | class SensorDevice; | 
|  | class SensorFusion; | 
|  |  | 
|  | class GravitySensor : public SensorInterface { | 
|  | SensorDevice& mSensorDevice; | 
|  | SensorFusion& mSensorFusion; | 
|  | Sensor mAccelerometer; | 
|  |  | 
|  | public: | 
|  | GravitySensor(sensor_t const* list, size_t count); | 
|  | virtual bool process(sensors_event_t* outEvent, | 
|  | const sensors_event_t& event); | 
|  | virtual status_t activate(void* ident, bool enabled); | 
|  | virtual status_t setDelay(void* ident, int handle, int64_t ns); | 
|  | virtual Sensor getSensor() const; | 
|  | virtual bool isVirtual() const { return true; } | 
|  | }; | 
|  |  | 
|  | // --------------------------------------------------------------------------- | 
|  | }; // namespace android | 
|  |  | 
|  | #endif // ANDROID_GRAVITY_SENSOR_H |