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/*
* 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_GUI_SENSOR_H
#define ANDROID_GUI_SENSOR_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <utils/Flattenable.h>
#include <utils/String8.h>
#include <utils/Timers.h>
#include <hardware/sensors.h>
#include <android/sensor.h>
// ----------------------------------------------------------------------------
// Concrete types for the NDK
struct ASensor { };
// ----------------------------------------------------------------------------
namespace android {
// ----------------------------------------------------------------------------
class Parcel;
// ----------------------------------------------------------------------------
class Sensor : public ASensor, public LightFlattenable<Sensor>
{
public:
enum {
TYPE_ACCELEROMETER = ASENSOR_TYPE_ACCELEROMETER,
TYPE_MAGNETIC_FIELD = ASENSOR_TYPE_MAGNETIC_FIELD,
TYPE_GYROSCOPE = ASENSOR_TYPE_GYROSCOPE,
TYPE_LIGHT = ASENSOR_TYPE_LIGHT,
TYPE_PROXIMITY = ASENSOR_TYPE_PROXIMITY
};
struct uuid_t{
union {
uint8_t b[16];
int64_t i64[2];
};
uuid_t(const uint8_t (&uuid)[16]) { memcpy(b, uuid, sizeof(b));}
uuid_t() : b{0} {}
};
Sensor(const char * name = "");
Sensor(struct sensor_t const* hwSensor, int halVersion = 0);
Sensor(struct sensor_t const& hwSensor, const uuid_t& uuid, int halVersion = 0);
~Sensor();
const String8& getName() const;
const String8& getVendor() const;
int32_t getHandle() const;
int32_t getType() const;
float getMinValue() const;
float getMaxValue() const;
float getResolution() const;
float getPowerUsage() const;
int32_t getMinDelay() const;
nsecs_t getMinDelayNs() const;
int32_t getVersion() const;
uint32_t getFifoReservedEventCount() const;
uint32_t getFifoMaxEventCount() const;
const String8& getStringType() const;
const String8& getRequiredPermission() const;
bool isRequiredPermissionRuntime() const;
int32_t getRequiredAppOp() const;
int32_t getMaxDelay() const;
uint32_t getFlags() const;
bool isWakeUpSensor() const;
bool isDynamicSensor() const;
bool hasAdditionalInfo() const;
int32_t getReportingMode() const;
// Note that after setId() has been called, getUuid() no longer
// returns the UUID.
// TODO(b/29547335): Remove getUuid(), add getUuidIndex(), and
// make sure setId() doesn't change the UuidIndex.
const uuid_t& getUuid() const;
int32_t getId() const;
void setId(int32_t id);
// LightFlattenable protocol
inline bool isFixedSize() const { return false; }
size_t getFlattenedSize() const;
status_t flatten(void* buffer, size_t size) const;
status_t unflatten(void const* buffer, size_t size);
private:
String8 mName;
String8 mVendor;
int32_t mHandle;
int32_t mType;
float mMinValue;
float mMaxValue;
float mResolution;
float mPower;
int32_t mMinDelay;
int32_t mVersion;
uint32_t mFifoReservedEventCount;
uint32_t mFifoMaxEventCount;
String8 mStringType;
String8 mRequiredPermission;
bool mRequiredPermissionRuntime = false;
int32_t mRequiredAppOp;
int32_t mMaxDelay;
uint32_t mFlags;
// TODO(b/29547335): Get rid of this field and replace with an index.
// The index will be into a separate global vector of UUIDs.
// Also add an mId field (and change flatten/unflatten appropriately).
uuid_t mUuid;
static void flattenString8(void*& buffer, size_t& size, const String8& string8);
static bool unflattenString8(void const*& buffer, size_t& size, String8& outputString8);
};
// ----------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_GUI_SENSOR_H
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