mirror of
https://github.com/libretro/RetroArch
synced 2024-12-29 12:31:05 +00:00
142 lines
4.4 KiB
C
142 lines
4.4 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2014 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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static const location_driver_t *location_drivers[] = {
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#ifdef ANDROID
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&location_android,
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#endif
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#if defined(IOS) || defined(OSX)
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&location_apple,
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#endif
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NULL,
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};
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static int find_location_driver_index(const char *driver)
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{
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unsigned i;
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for (i = 0; location_drivers[i]; i++)
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if (strcasecmp(driver, location_drivers[i]->ident) == 0)
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return i;
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return -1;
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}
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static void find_location_driver(void)
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{
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int i = find_location_driver_index(g_settings.location.driver);
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if (i >= 0)
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driver.location = location_drivers[i];
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else
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{
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unsigned d;
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RARCH_ERR("Couldn't find any location driver named \"%s\"\n", g_settings.location.driver);
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RARCH_LOG_OUTPUT("Available location drivers are:\n");
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for (d = 0; location_drivers[d]; d++)
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RARCH_LOG_OUTPUT("\t%s\n", location_drivers[d]->ident);
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rarch_fail(1, "find_location_driver()");
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}
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}
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void find_prev_location_driver(void)
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{
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int i = find_location_driver_index(g_settings.location.driver);
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if (i > 0)
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strlcpy(g_settings.location.driver, location_drivers[i - 1]->ident, sizeof(g_settings.location.driver));
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else
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RARCH_WARN("Couldn't find any previous location driver (current one: \"%s\").\n", g_settings.location.driver);
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}
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void find_next_location_driver(void)
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{
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int i = find_location_driver_index(g_settings.location.driver);
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if (i >= 0 && location_drivers[i + 1])
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strlcpy(g_settings.location.driver, location_drivers[i + 1]->ident, sizeof(g_settings.location.driver));
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else
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RARCH_WARN("Couldn't find any next location driver (current one: \"%s\").\n", g_settings.location.driver);
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}
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bool driver_location_start(void)
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{
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if (driver.location && driver.location_data && driver.location->start)
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{
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if (g_settings.location.allow)
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return driver.location->start(driver.location_data);
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else
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msg_queue_push(g_extern.msg_queue, "Location is explicitly disabled.\n", 1, 180);
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return false;
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}
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else
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return false;
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}
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void driver_location_stop(void)
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{
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if (driver.location && driver.location->stop && driver.location_data)
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driver.location->stop(driver.location_data);
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}
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void driver_location_set_interval(unsigned interval_msecs, unsigned interval_distance)
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{
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if (driver.location && driver.location->set_interval && driver.location_data)
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driver.location->set_interval(driver.location_data, interval_msecs, interval_distance);
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}
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bool driver_location_get_position(double *lat, double *lon, double *horiz_accuracy,
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double *vert_accuracy)
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{
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if (driver.location && driver.location->get_position && driver.location_data)
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return driver.location->get_position(driver.location_data, lat, lon, horiz_accuracy, vert_accuracy);
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*lat = 0.0;
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*lon = 0.0;
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*horiz_accuracy = 0.0;
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*vert_accuracy = 0.0;
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return false;
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}
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void init_location(void)
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{
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// Resource leaks will follow if location interface is initialized twice.
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if (driver.location_data)
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return;
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find_location_driver();
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driver.location_data = location_init_func();
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if (!driver.location_data)
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{
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RARCH_ERR("Failed to initialize location driver. Will continue without location.\n");
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g_extern.location_active = false;
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}
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if (g_extern.system.location_callback.initialized)
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g_extern.system.location_callback.initialized();
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}
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void uninit_location(void)
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{
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if (driver.location_data && driver.location)
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{
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if (g_extern.system.location_callback.deinitialized)
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g_extern.system.location_callback.deinitialized();
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if (driver.location->free)
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driver.location->free(driver.location_data);
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}
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driver.location_data = NULL;
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}
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