Home | History | Annotate | Download | only in gui 
      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_GUI_SENSOR_H
     18 #define ANDROID_GUI_SENSOR_H
     19 
     20 #include <stdint.h>
     21 #include <sys/types.h>
     22 
     23 #include <utils/Errors.h>
     24 #include <utils/String8.h>
     25 #include <utils/Flattenable.h>
     26 
     27 #include <hardware/sensors.h>
     28 
     29 #include <android/sensor.h>
     30 
     31 // ----------------------------------------------------------------------------
     32 // Concrete types for the NDK
     33 struct ASensor { };
     34 
     35 // ----------------------------------------------------------------------------
     36 namespace android {
     37 // ----------------------------------------------------------------------------
     38 
     39 class Parcel;
     40 
     41 // ----------------------------------------------------------------------------
     42 
     43 class Sensor : public ASensor, public Flattenable
     44 {
     45 public:
     46     enum {
     47         TYPE_ACCELEROMETER  = ASENSOR_TYPE_ACCELEROMETER,
     48         TYPE_MAGNETIC_FIELD = ASENSOR_TYPE_MAGNETIC_FIELD,
     49         TYPE_GYROSCOPE      = ASENSOR_TYPE_GYROSCOPE,
     50         TYPE_LIGHT          = ASENSOR_TYPE_LIGHT,
     51         TYPE_PROXIMITY      = ASENSOR_TYPE_PROXIMITY
     52     };
     53 
     54             Sensor();
     55             Sensor(struct sensor_t const* hwSensor);
     56     virtual ~Sensor();
     57 
     58     const String8& getName() const;
     59     const String8& getVendor() const;
     60     int32_t getHandle() const;
     61     int32_t getType() const;
     62     float getMinValue() const;
     63     float getMaxValue() const;
     64     float getResolution() const;
     65     float getPowerUsage() const;
     66     int32_t getMinDelay() const;
     67 
     68     // Flattenable interface
     69     virtual size_t getFlattenedSize() const;
     70     virtual size_t getFdCount() const;
     71     virtual status_t flatten(void* buffer, size_t size,
     72             int fds[], size_t count) const;
     73     virtual status_t unflatten(void const* buffer, size_t size,
     74             int fds[], size_t count);
     75 
     76 private:
     77     String8 mName;
     78     String8 mVendor;
     79     int32_t mHandle;
     80     int32_t mType;
     81     float   mMinValue;
     82     float   mMaxValue;
     83     float   mResolution;
     84     float   mPower;
     85     int32_t mMinDelay;
     86 };
     87 
     88 // ----------------------------------------------------------------------------
     89 }; // namespace android
     90 
     91 #endif // ANDROID_GUI_SENSOR_H
     92