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/* RetroArch - A frontend for libretro.
* Copyright (C) 2018 The RetroArch team
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __LOCATION_DRIVER__H
#define __LOCATION_DRIVER__H
#include <boolean.h>
#include <retro_common_api.h>
#include "configuration.h"
RETRO_BEGIN_DECLS
typedef struct location_driver
{
void *(*init)(void);
void (*free)(void *data);
bool (*start)(void *data);
void (*stop)(void *data);
bool (*get_position)(void *data, double *lat, double *lon,
double *horiz_accuracy, double *vert_accuracy);
void (*set_interval)(void *data, unsigned interval_msecs,
unsigned interval_distance);
const char *ident;
} location_driver_t;
typedef struct
{
const location_driver_t *driver;
void *data;
bool active;
} location_driver_state_t;
/**
* config_get_location_driver_options:
*
* Get an enumerated list of all location driver names,
* separated by '|'.
*
* Returns: string listing of all location driver names,
* separated by '|'.
**/
const char* config_get_location_driver_options(void);
/**
* driver_location_get_position:
* @lat : Latitude of current position.
* @lon : Longitude of current position.
* @horiz_accuracy : Horizontal accuracy.
* @vert_accuracy : Vertical accuracy.
*
* Gets current positioning information from
* location driver interface.
* Used by RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE.
*
* Returns: bool (1) if successful, otherwise false (0).
**/
bool driver_location_get_position(double *lat, double *lon,
double *horiz_accuracy, double *vert_accuracy);
/**
* driver_location_set_interval:
* @interval_msecs : Interval time in milliseconds.
* @interval_distance : Distance at which to update.
*
* Sets interval update time for location driver interface.
* Used by RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE.
**/
void driver_location_set_interval(unsigned interval_msecs,
unsigned interval_distance);
/**
* driver_location_stop:
*
* Stops location driver interface..
* Used by RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE.
*
* Returns: true (1) if successful, otherwise false (0).
**/
void driver_location_stop(void);
/**
* driver_location_start:
*
* Starts location driver interface..
* Used by RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool driver_location_start(void);
void destroy_location(void);
void location_driver_find_driver(
settings_t *settings,
const char *prefix,
bool verbosity_enabled);
void uninit_location(void *data);
bool init_location(
void *data,
settings_t *settings,
bool verbosity_enabled);
location_driver_state_t *location_state_get_ptr(void);
extern location_driver_t location_corelocation;
extern location_driver_t location_android;
extern const location_driver_t *location_drivers[];
RETRO_END_DECLS
#endif
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