Home | History | Annotate | Download | only in sensorservice
      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_SENSOR_INTERFACE_H
     18 #define ANDROID_SENSOR_INTERFACE_H
     19 
     20 #include <stdint.h>
     21 #include <sys/types.h>
     22 
     23 #include <utils/Singleton.h>
     24 
     25 #include <gui/Sensor.h>
     26 
     27 #include "SensorDevice.h"
     28 
     29 // ---------------------------------------------------------------------------
     30 
     31 namespace android {
     32 // ---------------------------------------------------------------------------
     33 
     34 class SensorInterface {
     35 public:
     36     virtual ~SensorInterface();
     37 
     38     virtual bool process(sensors_event_t* outEvent,
     39             const sensors_event_t& event) = 0;
     40 
     41     virtual bool isEnabled() const = 0;
     42     virtual status_t activate(void* ident, bool enabled) = 0;
     43     virtual status_t setDelay(void* ident, int handle, int64_t ns) = 0;
     44     virtual Sensor getSensor() const = 0;
     45     virtual bool isVirtual() const = 0;
     46 };
     47 
     48 // ---------------------------------------------------------------------------
     49 
     50 class HardwareSensor : public SensorInterface
     51 {
     52     SensorDevice& mSensorDevice;
     53     Sensor mSensor;
     54     bool mEnabled;
     55 
     56 public:
     57     HardwareSensor(const sensor_t& sensor);
     58 
     59     virtual ~HardwareSensor();
     60 
     61     virtual bool process(sensors_event_t* outEvent,
     62             const sensors_event_t& event);
     63 
     64     virtual bool isEnabled() const;
     65     virtual status_t activate(void* ident, bool enabled);
     66     virtual status_t setDelay(void* ident, int handle, int64_t ns);
     67     virtual Sensor getSensor() const;
     68     virtual bool isVirtual() const { return false; }
     69 };
     70 
     71 
     72 // ---------------------------------------------------------------------------
     73 }; // namespace android
     74 
     75 #endif // ANDROID_SENSOR_INTERFACE_H
     76