src/locations.c

   1 /*
   2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   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 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #include <locations_private.h>
  21 #include <location_bounds.h>
  22
  23
  24 #define LOCATIONS_NULL_ARG_CHECK(arg)   \
  25         LOCATIONS_CHECK_CONDITION((arg != NULL),LOCATIONS_ERROR_INVALID_PARAMETER,"LOCATIONS_ERROR_INVALID_PARAMETER") \
  26
  27 /*
  28 * Internal Implementation
  29 */
  30
  31 static int __convert_error_code(int code)
  32 {
  33         int ret;
  34         char *msg = "LOCATIONS_ERROR_NONE";
  35         switch (code) {
  36         case LOCATION_ERROR_NONE:
  37                 ret = LOCATIONS_ERROR_NONE;
  38                 msg = "LOCATIONS_ERROR_NONE";
  39                 break;
  40         case LOCATION_ERROR_NETWORK_FAILED:
  41         case LOCATION_ERROR_NETWORK_NOT_CONNECTED:
  42                 ret = LOCATIONS_ERROR_NETWORK_FAILED;
  43                 msg = "LOCATIONS_ERROR_NETWORK_FAILED";
  44                 break;
  45         case LOCATION_ERROR_NOT_ALLOWED:
  46                 ret = LOCATIONS_ERROR_ACCESSIBILITY_NOT_ALLOWED;
  47                 msg = "LOCATIONS_ERROR_ACCESSIBILITY_NOT_ALLOWED";
  48                 break;
  49         case LOCATION_ERROR_SETTING_OFF:
  50                 ret = LOCATIONS_ERROR_GPS_SETTING_OFF;
  51                 msg = "LOCATIONS_ERROR_GPS_SETTING_OFF";
  52                 break;
  53         case LOCATION_ERROR_SECURITY_DENIED:
  54                 ret = LOCATIONS_ERROR_SECURITY_RESTRICTED;
  55                 msg = "LOCATIONS_ERROR_SECURITY_RESTRICTED";
  56                 break;
  57         case LOCATION_ERROR_NOT_AVAILABLE:
  58         case LOCATION_ERROR_CONFIGURATION:
  59         case LOCATION_ERROR_PARAMETER:
  60         case LOCATION_ERROR_UNKNOWN:
  61         default:
  62                 msg = "LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE";
  63                 ret = LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
  64         }
  65         LOCATIONS_LOGE("%s(0x%08x) : core fw error(0x%x)", msg, ret, code);
  66         return ret;
  67 }
  68
  69 static void __cb_service_updated(GObject * self, guint type, gpointer data, gpointer accuracy, gpointer userdata)
  70 {
  71         LOCATIONS_LOGI("Callback function has been invoked. ");
  72         location_manager_s *handle = (location_manager_s *) userdata;
  73         if (type == VELOCITY_UPDATED && handle->user_cb[_LOCATIONS_EVENT_TYPE_VELOCITY]) {
  74                 LocationVelocity *vel = (LocationVelocity *) data;
  75                 LOCATIONS_LOGI("Current velocity: timestamp : %d, speed: %f, direction : %f, climb : %f",
  76                      vel->timestamp, vel->speed, vel->direction, vel->climb);
  77                 ((location_velocity_updated_cb) handle->user_cb[_LOCATIONS_EVENT_TYPE_VELOCITY]) (vel->speed, vel->direction,
  78                                                                                                   vel->climb, vel->timestamp,
  79                                                                                                   handle->user_data
  80                                                                                                   [_LOCATIONS_EVENT_TYPE_VELOCITY]);
  81         }
  82         else if (type == POSITION_UPDATED && handle->user_cb[_LOCATIONS_EVENT_TYPE_POSITION]) {
  83                 LocationPosition *pos = (LocationPosition *) data;
  84                 LOCATIONS_LOGI("Current position: timestamp : %d, latitude : %f, altitude: %f, longitude: %f",
  85                      pos->timestamp, pos->latitude, pos->altitude, pos->longitude);
  86                 ((location_position_updated_cb) handle->user_cb[_LOCATIONS_EVENT_TYPE_POSITION]) (pos->latitude, pos->longitude,
  87                                                                                                   pos->altitude, pos->timestamp,
  88                                                                                                   handle->user_data
  89                                                                                                   [_LOCATIONS_EVENT_TYPE_POSITION]);
  90         }
  91         else if (type == SATELLITE_UPDATED && handle->user_cb[_LOCATIONS_EVENT_TYPE_SATELLITE]) {
  92                 LocationSatellite *sat = (LocationSatellite *)data;
  93                 LOCATIONS_LOGI("Current satellite information: timestamp : %d, number of active : %d, number of inview : %d",
  94                      sat->timestamp, sat->num_of_sat_used, sat->num_of_sat_inview);
  95                 ((gps_status_satellite_updated_cb) handle->user_cb[_LOCATIONS_EVENT_TYPE_SATELLITE]) (sat->num_of_sat_used, sat->num_of_sat_inview,
  96                                                                                                  sat->timestamp, handle->user_data[_LOCATIONS_EVENT_TYPE_SATELLITE]);
  97         }
  98 }
  99
 100 static void __cb_service_enabled(GObject * self, guint status, gpointer userdata)
 101 {
 102         LOCATIONS_LOGI("Callback function has been invoked. ");
 103         location_manager_s *handle = (location_manager_s *) userdata;
 104         if (handle->user_cb[_LOCATIONS_EVENT_TYPE_SERVICE_STATE]) {
 105                 ((location_service_state_changed_cb)
 106                  handle->user_cb[_LOCATIONS_EVENT_TYPE_SERVICE_STATE]) (LOCATIONS_SERVICE_ENABLED,
 107                                                                         handle->user_data[_LOCATIONS_EVENT_TYPE_SERVICE_STATE]);
 108         }
 109 }
 110
 111 static void __cb_service_disabled(GObject * self, guint status, gpointer userdata)
 112 {
 113         LOCATIONS_LOGI("Callback function has been invoked. ");
 114         location_manager_s *handle = (location_manager_s *) userdata;
 115         if (handle->user_cb[_LOCATIONS_EVENT_TYPE_SERVICE_STATE])
 116                 ((location_service_state_changed_cb)
 117                  handle->user_cb[_LOCATIONS_EVENT_TYPE_SERVICE_STATE]) (LOCATIONS_SERVICE_DISABLED,
 118                                                                         handle->user_data[_LOCATIONS_EVENT_TYPE_SERVICE_STATE]);
 119 }
 120
 121 static int __compare_position (gconstpointer a, gconstpointer b)
 122 {
 123         if(location_position_equal((LocationPosition*) a, (LocationPosition *)b) == TRUE) {
 124                 return 0;
 125         }
 126
 127         return -1;
 128 }
 129
 130 static int __boundary_compare(LocationBoundary * bound1, LocationBoundary * bound2)
 131 {
 132         int ret = -1;
 133
 134         if (bound1->type == bound2->type) {
 135                 switch (bound1->type) {
 136                 case LOCATION_BOUNDARY_CIRCLE:
 137                         if (location_position_equal(bound1->circle.center, bound2->circle.center) && bound1->circle.radius == bound2->circle.radius) {
 138                                 ret = 0;
 139                         }
 140                         break;
 141                 case LOCATION_BOUNDARY_RECT:
 142                         if (location_position_equal(bound1->rect.left_top, bound2->rect.left_top) && location_position_equal(bound1->rect.right_bottom, bound2->rect.right_bottom)) {
 143                                 ret = 0;
 144                         }
 145                         break;
 146                 case LOCATION_BOUNDARY_POLYGON: {
 147                         GList *boundary1_next = NULL;
 148                         GList *boundary2_start = NULL, *boundary2_prev = NULL, *boundary2_next = NULL;
 149                         if (g_list_length(bound1->polygon.position_list) != g_list_length(bound2->polygon.position_list)) {
 150                                 return -1;
 151                         }
 152
 153                         boundary2_start = g_list_find_custom(bound2->polygon.position_list, g_list_nth_data(bound1->polygon.position_list, 0), (GCompareFunc) __compare_position);
 154                         if (boundary2_start == NULL) return -1;
 155
 156                         boundary2_prev = g_list_previous(boundary2_start);
 157                         boundary2_next = g_list_next(boundary2_start);
 158
 159                         if (boundary2_prev == NULL) boundary2_prev = g_list_last(bound2->polygon.position_list);
 160                         if (boundary2_next == NULL) boundary2_next = g_list_first(bound2->polygon.position_list);
 161
 162                         boundary1_next = g_list_next(bound1->polygon.position_list);
 163                         if (location_position_equal((LocationPosition*)boundary1_next->data, (LocationPosition*)boundary2_prev->data) == TRUE) {
 164                                 boundary1_next = g_list_next(boundary1_next);
 165                                 while (boundary1_next) {
 166                                         boundary2_prev = g_list_previous(boundary2_prev);
 167                                         if (boundary2_prev == NULL) boundary2_prev = g_list_last(bound2->polygon.position_list);
 168                                         if (location_position_equal((LocationPosition*)boundary1_next->data, (LocationPosition*) boundary2_prev->data) == FALSE) {
 169                                                 return -1;
 170                                         }
 171                                         boundary1_next = g_list_next(boundary1_next);
 172                                 }
 173                                 ret = 0;
 174                         } else if (location_position_equal((LocationPosition*)boundary1_next->data, (LocationPosition*)boundary2_next->data) == TRUE) {
 175                                 boundary1_next = g_list_next(boundary1_next);
 176                                 while(boundary1_next) {
 177                                         boundary2_next = g_list_next(boundary2_next);
 178                                         if (boundary2_next == NULL) boundary2_next = g_list_first(bound2->polygon.position_list);
 179                                         if (location_position_equal((LocationPosition*)boundary1_next->data, (LocationPosition*) boundary2_next->data) == FALSE) {
 180                                                 return -1;
 181                                         }
 182                                         boundary1_next = g_list_next(boundary1_next);
 183                                 }
 184                                 ret = 0;
 185                         } else {
 186                                 return -1;
 187                         }
 188                         break;
 189                 }
 190                 default:
 191                         break;
 192                 }
 193         }
 194         return ret;
 195 }
 196
 197 static void __cb_zone_in(GObject * self, gpointer boundary, gpointer position, gpointer accuracy, gpointer userdata)
 198 {
 199         LOCATIONS_LOGI("Callback function has been invoked.");
 200         location_manager_s *handle = (location_manager_s *) userdata;
 201         if (handle->user_cb[_LOCATIONS_EVENT_TYPE_BOUNDARY]) {
 202                 LocationPosition *pos = (LocationPosition *) position;
 203                 ((location_zone_changed_cb) handle->user_cb[_LOCATIONS_EVENT_TYPE_BOUNDARY]) (LOCATIONS_BOUNDARY_IN,
 204                                                                                               pos->latitude, pos->longitude,
 205                                                                                               pos->altitude, pos->timestamp,
 206                                                                                               handle->user_data
 207                                                                                               [_LOCATIONS_EVENT_TYPE_BOUNDARY]);
 208         }
 209
 210         location_bounds_s *bounds;
 211         GList *bounds_list = g_list_first(handle->bounds_list);
 212         while (bounds_list) {
 213                 bounds = (location_bounds_s *)bounds_list->data;
 214                 if (__boundary_compare(boundary, bounds->boundary) == 0) {
 215                         LOCATIONS_LOGI("Find zone in boundary");
 216                         ((location_bounds_state_changed_cb) bounds->user_cb) (LOCATIONS_BOUNDARY_IN, bounds->user_data);
 217                         break;
 218                 }
 219                 bounds_list = g_list_next(bounds_list);
 220         }
 221 }
 222
 223 static void __cb_zone_out(GObject * self, gpointer boundary, gpointer position, gpointer accuracy, gpointer userdata)
 224 {
 225         LOCATIONS_LOGI("Callback function has been invoked.");
 226         location_manager_s *handle = (location_manager_s *) userdata;
 227         if (handle->user_cb[_LOCATIONS_EVENT_TYPE_BOUNDARY]) {
 228                 LocationPosition *pos = (LocationPosition *) position;
 229                 ((location_zone_changed_cb) handle->user_cb[_LOCATIONS_EVENT_TYPE_BOUNDARY]) (LOCATIONS_BOUNDARY_OUT,
 230                                                                                               pos->latitude, pos->longitude,
 231                                                                                               pos->altitude, pos->timestamp,
 232                                                                                               handle->user_data
 233                                                                                               [_LOCATIONS_EVENT_TYPE_BOUNDARY]);
 234         }
 235
 236         location_bounds_s *bounds;
 237         GList *bounds_list = g_list_first(handle->bounds_list);
 238         while (bounds_list) {
 239                 bounds = (location_bounds_s *)bounds_list->data;
 240                 if (__boundary_compare(boundary, bounds->boundary) == 0) {
 241                         LOCATIONS_LOGI("Find zone out boundary");
 242                         ((location_bounds_state_changed_cb) bounds->user_cb) (LOCATIONS_BOUNDARY_OUT, bounds->user_data);
 243                         break;
 244                 }
 245                 bounds_list = g_list_next(bounds_list);
 246         }
 247 }
 248
 249 static int __set_callback(_location_event_e type, location_manager_h manager, void *callback, void *user_data)
 250 {
 251         LOCATIONS_NULL_ARG_CHECK(manager);
 252         LOCATIONS_NULL_ARG_CHECK(callback);
 253         location_manager_s *handle = (location_manager_s *) manager;
 254         handle->user_cb[type] = callback;
 255         handle->user_data[type] = user_data;
 256         LOCATIONS_LOGI("event type : %d. ", type);
 257         return LOCATIONS_ERROR_NONE;
 258 }
 259
 260 static int __unset_callback(_location_event_e type, location_manager_h manager)
 261 {
 262         LOCATIONS_NULL_ARG_CHECK(manager);
 263         location_manager_s *handle = (location_manager_s *) manager;
 264         handle->user_cb[type] = NULL;
 265         handle->user_data[type] = NULL;
 266         LOCATIONS_LOGI("event type : %d. ", type);
 267         return LOCATIONS_ERROR_NONE;
 268 }
 269
 270 static void __foreach_boundary(LocationBoundary * boundary, void *user_data)
 271 {
 272         location_manager_s *handle = (location_manager_s *) user_data;
 273
 274         if (handle != NULL && boundary != NULL) {
 275                 int ret = -1;
 276                 location_bounds_h bounds;
 277                 if (boundary->type == LOCATION_BOUNDARY_CIRCLE) {
 278                         location_coords_s center;
 279                         center.latitude = boundary->circle.center->latitude;
 280                         center.longitude = boundary->circle.center->longitude;
 281                         ret = location_bounds_create_circle(center, boundary->circle.radius, &bounds);
 282                 } else if (boundary->type == LOCATION_BOUNDARY_RECT) {
 283                         location_coords_s left_top;
 284                         location_coords_s right_bottom;
 285                         left_top.latitude = boundary->rect.left_top->latitude;
 286                         left_top.longitude = boundary->rect.left_top->longitude;
 287                         right_bottom.latitude = boundary->rect.right_bottom->latitude;
 288                         right_bottom.longitude = boundary->rect.right_bottom->longitude;
 289                         ret = location_bounds_create_rect(left_top, right_bottom, &bounds);
 290                 } else if (boundary->type == LOCATION_BOUNDARY_POLYGON) {
 291                         GList *list = boundary->polygon.position_list;
 292                         int size = g_list_length(list);
 293                         if (size > 0) {
 294                                 location_coords_s coords[size];
 295                                 int cnt = 0;
 296                                 while (list) {
 297                                         LocationPosition *pos = list->data;
 298                                         coords[cnt].latitude = pos->latitude;
 299                                         coords[cnt].longitude = pos->longitude;
 300                                         list = g_list_next(list);
 301                                         cnt++;
 302                                 }
 303                                 ret = location_bounds_create_polygon(coords, size, &bounds);
 304                         }
 305                 } else {
 306                         LOCATIONS_LOGI("Invalid boundary type : %d", boundary->type);
 307                 }
 308
 309                 if (ret != LOCATIONS_ERROR_NONE) {
 310                         LOCATIONS_LOGI("Failed to create location_bounds : (0x%08x) ", ret);
 311                 } else {
 312                         if (handle->is_continue_foreach_bounds) {
 313                                 handle->is_continue_foreach_bounds =
 314                                     ((location_bounds_cb) handle->user_cb[_LOCATIONS_EVENT_TYPE_FOREACH_BOUNDS]) (bounds,
 315                                                                                                                   handle->
 316                                                                                                                   user_data
 317                                                                                                                   [_LOCATIONS_EVENT_TYPE_FOREACH_BOUNDS]);
 318                         }
 319                         location_bounds_destroy(bounds);
 320                 }
 321         } else {
 322                 LOCATIONS_LOGI("__foreach_boundary() has been failed");
 323         }
 324 }
 325
 326 /////////////////////////////////////////
 327 // Location Manager
 328 ////////////////////////////////////////
 329
 330 /*
 331 * Public Implementation
 332 */
 333
 334 bool location_manager_is_supported_method(location_method_e method)
 335 {
 336         LocationMethod _method = LOCATION_METHOD_NONE;
 337         switch (method) {
 338         case LOCATIONS_METHOD_HYBRID:
 339                 _method = LOCATION_METHOD_HYBRID;
 340                 break;
 341         case LOCATIONS_METHOD_GPS:
 342                 _method = LOCATION_METHOD_GPS;
 343                 break;
 344         case LOCATIONS_METHOD_WPS:
 345                 _method = LOCATION_METHOD_WPS;
 346                 break;
 347         case LOCATIONS_METHOD_CPS:
 348                 _method = LOCATION_METHOD_CPS;
 349                 break;
 350         default:
 351                 _method = LOCATION_METHOD_NONE;
 352                 break;
 353         }
 354         return location_is_supported_method(_method);
 355 }
 356
 357 int location_manager_create(location_method_e method, location_manager_h * manager)
 358 {
 359         LOCATIONS_NULL_ARG_CHECK(manager);
 360         if (location_init() != LOCATION_ERROR_NONE)
 361                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 362
 363         LocationMethod _method = LOCATION_METHOD_NONE;
 364         switch (method) {
 365         case LOCATIONS_METHOD_HYBRID:
 366                 _method = LOCATION_METHOD_HYBRID;
 367                 break;
 368         case LOCATIONS_METHOD_GPS:
 369                 _method = LOCATION_METHOD_GPS;
 370                 break;
 371         case LOCATIONS_METHOD_WPS:
 372                 _method = LOCATION_METHOD_WPS;
 373                 break;
 374         case LOCATIONS_METHOD_CPS:
 375                 _method = LOCATION_METHOD_CPS;
 376                 break;
 377         case LOCATIONS_METHOD_NONE:
 378                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 379         default:
 380                 {
 381                         LOCATIONS_LOGE("LOCATIONS_ERROR_INVALID_PARAMETER(0x%08x) : Out of range (location_method_e) - method : %d ",
 382                              LOCATIONS_ERROR_INVALID_PARAMETER, method);
 383                         return LOCATIONS_ERROR_INVALID_PARAMETER;
 384                 }
 385         }
 386
 387         location_manager_s *handle = (location_manager_s *) malloc(sizeof(location_manager_s));
 388         if (handle == NULL) {
 389                 LOCATIONS_LOGE("OUT_OF_MEMORY(0x%08x)", LOCATIONS_ERROR_OUT_OF_MEMORY);
 390                 return LOCATIONS_ERROR_OUT_OF_MEMORY;
 391         }
 392
 393         memset(handle, 0, sizeof(location_manager_s));
 394
 395         handle->object = location_new(_method);
 396         if (handle->object == NULL) {
 397                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : fail to location_new",
 398                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
 399                 free(handle);
 400                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 401         }
 402         handle->method = method;
 403         handle->is_continue_foreach_bounds = TRUE;
 404         handle->bounds_list = NULL;
 405         *manager = (location_manager_h) handle;
 406         return LOCATIONS_ERROR_NONE;
 407 }
 408
 409 int location_manager_destroy(location_manager_h manager)
 410 {
 411         LOCATIONS_NULL_ARG_CHECK(manager);
 412         location_manager_s *handle = (location_manager_s *) manager;
 413
 414         int ret = location_free(handle->object);
 415         if (ret != LOCATIONS_ERROR_NONE) {
 416                 return __convert_error_code(ret);
 417         }
 418         free(handle);
 419         return LOCATIONS_ERROR_NONE;
 420 }
 421
 422 int location_manager_start(location_manager_h manager)
 423 {
 424         LOCATIONS_NULL_ARG_CHECK(manager);
 425         location_manager_s *handle = (location_manager_s *) manager;
 426
 427         g_signal_connect(handle->object, "service-enabled", G_CALLBACK(__cb_service_enabled), handle);
 428         g_signal_connect(handle->object, "service-disabled", G_CALLBACK(__cb_service_disabled), handle);
 429         g_signal_connect(handle->object, "service-updated", G_CALLBACK(__cb_service_updated), handle);
 430         g_signal_connect(handle->object, "zone-in", G_CALLBACK(__cb_zone_in), handle);
 431         g_signal_connect(handle->object, "zone-out", G_CALLBACK(__cb_zone_out), handle);
 432
 433         int ret = location_start(handle->object);
 434         if (ret != LOCATION_ERROR_NONE) {
 435                 return __convert_error_code(ret);
 436         }
 437         return LOCATIONS_ERROR_NONE;
 438 }
 439
 440 int location_manager_stop(location_manager_h manager)
 441 {
 442         LOCATIONS_NULL_ARG_CHECK(manager);
 443         location_manager_s *handle = (location_manager_s *) manager;
 444
 445         int ret = location_stop(handle->object);
 446         if (ret != LOCATION_ERROR_NONE) {
 447                 return __convert_error_code(ret);
 448         }
 449         return LOCATIONS_ERROR_NONE;
 450 }
 451
 452 int location_manager_add_boundary(location_manager_h manager, location_bounds_h bounds)
 453 {
 454         LOCATIONS_NULL_ARG_CHECK(manager);
 455         LOCATIONS_NULL_ARG_CHECK(bounds);
 456
 457         location_manager_s *handle = (location_manager_s *) manager;
 458         location_bounds_s *bound_handle = (location_bounds_s *) bounds;
 459         int ret = location_boundary_add(handle->object, bound_handle->boundary);
 460         if (ret != LOCATION_ERROR_NONE) {
 461                 return __convert_error_code(ret);
 462         }
 463         bound_handle->is_added = TRUE;
 464         handle->bounds_list = g_list_append(handle->bounds_list, bound_handle);
 465         return LOCATIONS_ERROR_NONE;
 466 }
 467
 468 int location_manager_remove_boundary(location_manager_h manager, location_bounds_h bounds)
 469 {
 470         LOCATIONS_NULL_ARG_CHECK(manager);
 471         LOCATIONS_NULL_ARG_CHECK(bounds);
 472
 473         location_manager_s *handle = (location_manager_s *) manager;
 474         location_bounds_s *bound_handle = (location_bounds_s *) bounds;
 475         int ret = location_boundary_remove(handle->object, bound_handle->boundary);
 476         if (ret != LOCATION_ERROR_NONE) {
 477                 return __convert_error_code(ret);
 478         }
 479         handle->bounds_list = g_list_remove(handle->bounds_list, bound_handle);
 480         bound_handle->is_added = FALSE;
 481         return LOCATIONS_ERROR_NONE;
 482 }
 483
 484 int location_manager_foreach_boundary(location_manager_h manager, location_bounds_cb callback, void *user_data)
 485 {
 486         LOCATIONS_NULL_ARG_CHECK(manager);
 487         LOCATIONS_NULL_ARG_CHECK(callback);
 488
 489         location_manager_s *handle = (location_manager_s *) manager;
 490         handle->user_cb[_LOCATIONS_EVENT_TYPE_FOREACH_BOUNDS] = callback;
 491         handle->user_data[_LOCATIONS_EVENT_TYPE_FOREACH_BOUNDS] = user_data;
 492         handle->is_continue_foreach_bounds = TRUE;
 493         int ret = location_boundary_foreach(handle->object, __foreach_boundary, handle);
 494         if (ret != LOCATION_ERROR_NONE) {
 495                 return __convert_error_code(ret);
 496         }
 497         return LOCATIONS_ERROR_NONE;
 498 }
 499
 500 int location_manager_get_method(location_manager_h manager, location_method_e * method)
 501 {
 502         LOCATIONS_NULL_ARG_CHECK(manager);
 503         LOCATIONS_NULL_ARG_CHECK(method);
 504         location_manager_s *handle = (location_manager_s *) manager;
 505         LocationMethod _method = LOCATION_METHOD_NONE;
 506         g_object_get(handle->object, "method", &_method, NULL);
 507         switch (_method) {
 508         case LOCATION_METHOD_NONE:
 509                 *method = LOCATIONS_METHOD_NONE;
 510                 break;
 511         case LOCATION_METHOD_HYBRID:
 512                 *method = LOCATIONS_METHOD_HYBRID;
 513                 break;
 514         case LOCATION_METHOD_GPS:
 515                 *method = LOCATIONS_METHOD_GPS;
 516                 break;
 517         case LOCATION_METHOD_WPS:
 518                 *method = LOCATIONS_METHOD_WPS;
 519                 break;
 520         case LOCATION_METHOD_CPS:
 521                 *method = LOCATIONS_METHOD_CPS;
 522                 break;
 523         default:
 524                 {
 525                         LOCATIONS_LOGE("LOCATIONS_ERROR_INVALID_PARAMETER(0x%08x) : Out of range (location_method_e) - method : %d ",
 526                              LOCATIONS_ERROR_INVALID_PARAMETER, method);
 527                         return LOCATIONS_ERROR_INVALID_PARAMETER;
 528                 }
 529         }
 530         //*method = handle->method;
 531         return LOCATIONS_ERROR_NONE;
 532 }
 533
 534 int location_manager_get_position(location_manager_h manager, double *altitude, double *latitude, double *longitude,
 535                                   time_t * timestamp)
 536 {
 537         LOCATIONS_NULL_ARG_CHECK(manager);
 538         LOCATIONS_NULL_ARG_CHECK(altitude);
 539         LOCATIONS_NULL_ARG_CHECK(latitude);
 540         LOCATIONS_NULL_ARG_CHECK(longitude);
 541         LOCATIONS_NULL_ARG_CHECK(timestamp);
 542
 543         location_manager_s *handle = (location_manager_s *) manager;
 544         int ret;
 545         LocationPosition *pos = NULL;
 546         LocationAccuracy *acc = NULL;
 547         ret = location_get_position(handle->object, &pos, &acc);
 548         if (ret != LOCATION_ERROR_NONE) {
 549                 return __convert_error_code(ret);
 550         }
 551
 552         if (pos->status == LOCATION_STATUS_NO_FIX) {
 553                 *altitude = -1;
 554                 *latitude = -1;
 555                 *longitude = -1;
 556         } else {
 557                 if (pos->status == LOCATION_STATUS_3D_FIX) {
 558                         *altitude = pos->altitude;
 559                 } else {
 560                         *altitude = -1;
 561                 }
 562                 *latitude = pos->latitude;
 563                 *longitude = pos->longitude;
 564         }
 565         *timestamp = pos->timestamp;
 566         location_position_free(pos);
 567         location_accuracy_free(acc);
 568         return LOCATIONS_ERROR_NONE;
 569 }
 570
 571 int location_manager_get_velocity(location_manager_h manager, double *climb, double *direction, double *speed, time_t * timestamp)
 572 {
 573         LOCATIONS_NULL_ARG_CHECK(manager);
 574         LOCATIONS_NULL_ARG_CHECK(climb);
 575         LOCATIONS_NULL_ARG_CHECK(direction);
 576         LOCATIONS_NULL_ARG_CHECK(speed);
 577         LOCATIONS_NULL_ARG_CHECK(timestamp);
 578
 579         location_manager_s *handle = (location_manager_s *) manager;
 580         int ret;
 581         LocationVelocity *vel = NULL;
 582         LocationAccuracy *acc = NULL;
 583         ret = location_get_velocity(handle->object, &vel, &acc);
 584         if (ret != LOCATION_ERROR_NONE) {
 585                 return __convert_error_code(ret);
 586         }
 587
 588         *climb = vel->climb;
 589         *direction = vel->direction;
 590         *speed = vel->speed;
 591         *timestamp = vel->timestamp;
 592         location_velocity_free(vel);
 593         location_accuracy_free(acc);
 594         return LOCATIONS_ERROR_NONE;
 595 }
 596
 597 int location_manager_get_accuracy(location_manager_h manager, location_accuracy_level_e * level, double *horizontal,
 598                                   double *vertical)
 599 {
 600         LOCATIONS_NULL_ARG_CHECK(manager);
 601         LOCATIONS_NULL_ARG_CHECK(level);
 602         LOCATIONS_NULL_ARG_CHECK(horizontal);
 603         LOCATIONS_NULL_ARG_CHECK(vertical);
 604         location_manager_s *handle = (location_manager_s *) manager;
 605
 606         int ret;
 607         LocationPosition *pos = NULL;
 608         LocationAccuracy *acc = NULL;
 609         ret = location_get_position(handle->object, &pos, &acc);
 610         if (ret != LOCATION_ERROR_NONE) {
 611                 return __convert_error_code(ret);
 612         }
 613
 614         if (acc == NULL) {
 615                 return __convert_error_code(LOCATION_ERROR_NOT_AVAILABLE);
 616         }
 617
 618         *level = acc->level;
 619         *horizontal = acc->horizontal_accuracy;
 620         *vertical = acc->vertical_accuracy;
 621         location_position_free(pos);
 622         location_accuracy_free(acc);
 623         return LOCATIONS_ERROR_NONE;
 624 }
 625
 626 int location_manager_get_last_position(location_manager_h manager, double *altitude, double *latitude, double *longitude,
 627                                        time_t * timestamp)
 628 {
 629         LOCATIONS_NULL_ARG_CHECK(manager);
 630         LOCATIONS_NULL_ARG_CHECK(altitude);
 631         LOCATIONS_NULL_ARG_CHECK(latitude);
 632         LOCATIONS_NULL_ARG_CHECK(longitude);
 633         LOCATIONS_NULL_ARG_CHECK(timestamp);
 634
 635         location_manager_s *handle = (location_manager_s *) manager;
 636
 637         int ret;
 638         LocationPosition *last_pos = NULL;
 639         LocationAccuracy *last_acc = NULL;
 640         ret = location_get_last_position(handle->object, &last_pos, &last_acc);
 641         if (ret != LOCATION_ERROR_NONE) {
 642                 return __convert_error_code(ret);
 643         }
 644
 645         if (last_pos->status == LOCATION_STATUS_NO_FIX) {
 646                 *altitude = -1;
 647                 *latitude = -1;
 648                 *longitude = -1;
 649         } else {
 650                 if (last_pos->status == LOCATION_STATUS_3D_FIX) {
 651                         *altitude = last_pos->altitude;
 652                 } else {
 653                         *altitude = -1;
 654                 }
 655                 *latitude = last_pos->latitude;
 656                 *longitude = last_pos->longitude;
 657         }
 658         *timestamp = last_pos->timestamp;
 659         location_position_free(last_pos);
 660         location_accuracy_free(last_acc);
 661         return LOCATIONS_ERROR_NONE;
 662 }
 663
 664 int location_manager_get_last_velocity(location_manager_h manager, double *climb, double *direction, double *speed, time_t * timestamp)
 665 {
 666         LOCATIONS_NULL_ARG_CHECK(manager);
 667         LOCATIONS_NULL_ARG_CHECK(climb);
 668         LOCATIONS_NULL_ARG_CHECK(direction);
 669         LOCATIONS_NULL_ARG_CHECK(speed);
 670         LOCATIONS_NULL_ARG_CHECK(timestamp);
 671
 672         location_manager_s *handle = (location_manager_s *) manager;
 673
 674         int ret;
 675         LocationVelocity *last_vel = NULL;
 676         LocationAccuracy *last_acc = NULL;
 677         ret = location_get_last_velocity(handle->object, &last_vel, &last_acc);
 678         if (ret != LOCATION_ERROR_NONE) {
 679                 return __convert_error_code(ret);
 680         }
 681
 682         *climb = last_vel->climb;
 683         *direction = last_vel->direction;
 684         *speed = last_vel->speed;
 685         *timestamp = last_vel->timestamp;
 686         location_velocity_free(last_vel);
 687         location_accuracy_free(last_acc);
 688         return LOCATIONS_ERROR_NONE;
 689 }
 690
 691 int location_manager_get_last_accuracy(location_manager_h manager, location_accuracy_level_e * level, double *horizontal,
 692                                        double *vertical)
 693 {
 694         LOCATIONS_NULL_ARG_CHECK(manager);
 695         LOCATIONS_NULL_ARG_CHECK(level);
 696         LOCATIONS_NULL_ARG_CHECK(horizontal);
 697         LOCATIONS_NULL_ARG_CHECK(vertical);
 698         location_manager_s *handle = (location_manager_s *) manager;
 699
 700         int ret;
 701         LocationPosition *last_pos = NULL;
 702         LocationAccuracy *last_acc = NULL;
 703         ret = location_get_last_position(handle->object, &last_pos, &last_acc);
 704         if (ret != LOCATION_ERROR_NONE) {
 705                 return __convert_error_code(ret);
 706         }
 707
 708         *level = last_acc->level;
 709         *horizontal = last_acc->horizontal_accuracy;
 710         *vertical = last_acc->vertical_accuracy;
 711         location_position_free(last_pos);
 712         location_accuracy_free(last_acc);
 713         return LOCATIONS_ERROR_NONE;
 714 }
 715
 716 int location_manager_get_accessibility_state(location_accessibility_state_e* state)
 717 {
 718         LOCATIONS_NULL_ARG_CHECK(state);
 719
 720         int ret = LOCATION_ERROR_NONE;
 721         LocationAccessState auth = LOCATION_ACCESS_NONE;
 722         ret = location_get_accessibility_state (&auth);
 723         if (ret != LOCATION_ERROR_NONE) {
 724                 *state = LOCATIONS_ACCESS_STATE_NONE;
 725                 return __convert_error_code(ret);
 726         }
 727
 728         switch (auth) {
 729                 case LOCATION_ACCESS_DENIED:
 730                         *state = LOCATIONS_ACCESS_STATE_DENIED;
 731                         break;
 732                 case LOCATION_ACCESS_ALLOWED:
 733                         *state = LOCATIONS_ACCESS_STATE_ALLOWED;
 734                         break;
 735                 case LOCATION_ACCESS_NONE:
 736                 default:
 737                         *state = LOCATIONS_ACCESS_STATE_NONE;
 738                         break;
 739         }
 740
 741         return LOCATIONS_ERROR_NONE;
 742 }
 743
 744 int location_manager_set_position_updated_cb(location_manager_h manager, location_position_updated_cb callback, int interval, void *user_data)
 745 {
 746         LOCATIONS_CHECK_CONDITION(interval >= 1
 747                                   && interval <= 120, LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 748         LOCATIONS_NULL_ARG_CHECK(manager);
 749         location_manager_s *handle = (location_manager_s *) manager;
 750         g_object_set(handle->object, "pos-interval", interval, NULL);
 751         return __set_callback(_LOCATIONS_EVENT_TYPE_POSITION, manager, callback, user_data);
 752 }
 753
 754 int location_manager_unset_position_updated_cb(location_manager_h manager)
 755 {
 756         return __unset_callback(_LOCATIONS_EVENT_TYPE_POSITION, manager);
 757 }
 758
 759 int location_manager_set_velocity_updated_cb(location_manager_h manager, location_velocity_updated_cb callback, int interval, void *user_data)
 760 {
 761         LOCATIONS_CHECK_CONDITION(interval >= 1
 762                                   && interval <= 120, LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 763         LOCATIONS_NULL_ARG_CHECK(manager);
 764         location_manager_s *handle = (location_manager_s *) manager;
 765         g_object_set(handle->object, "vel-interval", interval, NULL);
 766         return __set_callback(_LOCATIONS_EVENT_TYPE_VELOCITY, manager, callback, user_data);
 767 }
 768
 769 int location_manager_unset_velocity_updated_cb(location_manager_h manager)
 770 {
 771         return __unset_callback(_LOCATIONS_EVENT_TYPE_VELOCITY, manager);
 772 }
 773
 774 int location_manager_set_service_state_changed_cb(location_manager_h manager, location_service_state_changed_cb callback,
 775                                                   void *user_data)
 776 {
 777         return __set_callback(_LOCATIONS_EVENT_TYPE_SERVICE_STATE, manager, callback, user_data);
 778 }
 779
 780 int location_manager_unset_service_state_changed_cb(location_manager_h manager)
 781 {
 782         return __unset_callback(_LOCATIONS_EVENT_TYPE_SERVICE_STATE, manager);
 783 }
 784
 785 int location_manager_set_zone_changed_cb(location_manager_h manager, location_zone_changed_cb callback, void *user_data)
 786 {
 787         return __set_callback(_LOCATIONS_EVENT_TYPE_BOUNDARY, manager, callback, user_data);
 788 }
 789
 790 int location_manager_unset_zone_changed_cb(location_manager_h manager)
 791 {
 792         return __unset_callback(_LOCATIONS_EVENT_TYPE_BOUNDARY, manager);
 793 }
 794
 795 int location_manager_get_distance(double start_latitude, double start_longitude, double end_latitude, double end_longitude, double *distance)
 796 {
 797         LOCATIONS_NULL_ARG_CHECK(distance);
 798         LOCATIONS_CHECK_CONDITION(start_latitude>=-90 && start_latitude<=90,LOCATIONS_ERROR_INVALID_PARAMETER,"LOCATIONS_ERROR_INVALID_PARAMETER");
 799         LOCATIONS_CHECK_CONDITION(start_longitude>=-180 && start_longitude<=180,LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 800         LOCATIONS_CHECK_CONDITION(end_latitude>=-90 && end_latitude<=90,LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 801         LOCATIONS_CHECK_CONDITION(end_longitude>=-180 && end_longitude<=180,LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 802
 803         int ret = LOCATION_ERROR_NONE;
 804         ulong u_distance;
 805
 806         LocationPosition *start = location_position_new (0, start_latitude, start_longitude, 0, LOCATION_STATUS_2D_FIX);
 807         LocationPosition *end = location_position_new (0, end_latitude, end_longitude, 0, LOCATION_STATUS_2D_FIX);
 808
 809         ret = location_get_distance (start, end, &u_distance);
 810         if (ret != LOCATION_ERROR_NONE) {
 811                 return __convert_error_code(ret);
 812         }
 813
 814         *distance = (double)u_distance;
 815
 816         return LOCATIONS_ERROR_NONE;
 817 }
 818
 819 int location_manager_send_command(const char *cmd)
 820 {
 821         LOCATIONS_NULL_ARG_CHECK(cmd);
 822
 823         int ret;
 824         ret = location_send_command(cmd);
 825         if (ret != LOCATION_ERROR_NONE) {
 826                 return __convert_error_code(ret);
 827         }
 828
 829         return LOCATIONS_ERROR_NONE;
 830 }
 831
 832 /////////////////////////////////////////
 833 // GPS Status & Satellites
 834 ////////////////////////////////////////
 835
 836 int gps_status_get_nmea(location_manager_h manager, char **nmea)
 837 {
 838         LOCATIONS_NULL_ARG_CHECK(manager);
 839         LOCATIONS_NULL_ARG_CHECK(nmea);
 840         location_manager_s *handle = (location_manager_s *) manager;
 841
 842         if (handle->method == LOCATIONS_METHOD_HYBRID) {
 843                 LocationMethod _method = LOCATION_METHOD_NONE;
 844                 g_object_get(handle->object, "method", &_method, NULL);
 845                 if (_method != LOCATION_METHOD_GPS) {
 846                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 847                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 848                         return LOCATIONS_ERROR_INCORRECT_METHOD;
 849                 }
 850         } else if (handle->method != LOCATIONS_METHOD_GPS) {
 851                 LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 852                      LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 853                 return LOCATIONS_ERROR_INCORRECT_METHOD;
 854         }
 855         gchar *nmea_data = NULL;
 856         g_object_get(handle->object, "nmea", &nmea_data, NULL);
 857         if (nmea_data == NULL) {
 858                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : nmea data is NULL ",
 859                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
 860                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 861         }
 862         *nmea = NULL;
 863         *nmea = strdup(nmea_data);
 864         if (*nmea == NULL) {
 865                 LOCATIONS_LOGE("LOCATIONS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to strdup ",
 866                      LOCATIONS_ERROR_OUT_OF_MEMORY);
 867                 return LOCATIONS_ERROR_OUT_OF_MEMORY;
 868         }
 869         g_free(nmea_data);
 870         return LOCATIONS_ERROR_NONE;
 871 }
 872
 873 int gps_status_get_satellite(location_manager_h manager, int *num_of_active, int *num_of_inview, time_t *timestamp)
 874 {
 875         LOCATIONS_NULL_ARG_CHECK(manager);
 876         LOCATIONS_NULL_ARG_CHECK(num_of_active);
 877         LOCATIONS_NULL_ARG_CHECK(num_of_inview);
 878         LOCATIONS_NULL_ARG_CHECK(timestamp);
 879         location_manager_s *handle = (location_manager_s *) manager;
 880         LocationSatellite *sat = NULL;
 881         int ret = location_get_satellite (handle->object, &sat);
 882         if (ret != LOCATION_ERROR_NONE || sat == NULL) {
 883                 if (ret == LOCATION_ERROR_NOT_SUPPORTED) {
 884                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 885                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 886                         return LOCATIONS_ERROR_INCORRECT_METHOD;
 887                 }
 888
 889                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : satellite is NULL ",
 890                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
 891                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 892         }
 893
 894         *num_of_active = sat->num_of_sat_used;
 895         *num_of_inview = sat->num_of_sat_inview;
 896         *timestamp = sat->timestamp;
 897         location_satellite_free(sat);
 898         sat = NULL;
 899         return LOCATIONS_ERROR_NONE;
 900 }
 901
 902 int gps_status_set_satellite_updated_cb(location_manager_h manager, gps_status_satellite_updated_cb callback, int interval, void *user_data)
 903 {
 904         LOCATIONS_CHECK_CONDITION(interval >= 1
 905                                   && interval <= 120, LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 906         LOCATIONS_NULL_ARG_CHECK(manager);
 907         location_manager_s *handle = (location_manager_s *) manager;
 908         g_object_set(handle->object, "sat-interval", interval, NULL);
 909         return __set_callback(_LOCATIONS_EVENT_TYPE_SATELLITE, manager, callback, user_data);
 910 }
 911
 912 int gps_status_unset_satellite_updated_cb(location_manager_h manager)
 913 {
 914         return __unset_callback(_LOCATIONS_EVENT_TYPE_SATELLITE, manager);
 915 }
 916
 917
 918 int gps_status_foreach_satellites_in_view(location_manager_h manager, gps_status_get_satellites_cb callback, void *user_data)
 919 {
 920         LOCATIONS_NULL_ARG_CHECK(manager);
 921         LOCATIONS_NULL_ARG_CHECK(callback);
 922         location_manager_s *handle = (location_manager_s *) manager;
 923         LocationSatellite *sat = NULL;
 924         int ret = location_get_satellite (handle->object, &sat);
 925         if (ret != LOCATION_ERROR_NONE || sat == NULL) {
 926                 if (ret == LOCATION_ERROR_NOT_SUPPORTED) {
 927                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 928                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 929                         return LOCATIONS_ERROR_INCORRECT_METHOD;
 930                 }
 931
 932                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : satellite is NULL ",
 933                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
 934                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 935         }
 936
 937         int i;
 938         for (i = 0; i < sat->num_of_sat_inview; i++) {
 939                 guint prn;
 940                 gboolean used;
 941                 guint elevation;
 942                 guint azimuth;
 943                 gint snr;
 944                 location_satellite_get_satellite_details(sat, i, &prn, &used, &elevation, &azimuth, &snr);
 945                 if (callback(azimuth, elevation, prn, snr, used, user_data) != TRUE)
 946                         break;
 947         }
 948         location_satellite_free(sat);
 949         sat = NULL;
 950         return LOCATIONS_ERROR_NONE;
 951 }
 952
 953 int gps_status_get_last_satellite(location_manager_h manager, int *num_of_active, int *num_of_inview, time_t *timestamp)
 954 {
 955         LOCATIONS_NULL_ARG_CHECK(manager);
 956         LOCATIONS_NULL_ARG_CHECK(num_of_active);
 957         LOCATIONS_NULL_ARG_CHECK(num_of_inview);
 958         LOCATIONS_NULL_ARG_CHECK(timestamp);
 959         location_manager_s *handle = (location_manager_s *) manager;
 960         int ret = LOCATION_ERROR_NONE;
 961         LocationSatellite *last_sat = NULL;
 962         ret = location_get_last_satellite(handle->object, &last_sat);
 963         if (ret != LOCATION_ERROR_NONE || last_sat == NULL) {
 964                 if (ret == LOCATION_ERROR_NOT_SUPPORTED) {
 965                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 966                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 967                         return LOCATIONS_ERROR_INCORRECT_METHOD;
 968                 }
 969
 970                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : satellite is NULL ",
 971                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
 972                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 973         }
 974
 975         *num_of_active = last_sat->num_of_sat_used;
 976         *num_of_inview = last_sat->num_of_sat_inview;
 977         *timestamp = last_sat->timestamp;
 978         location_satellite_free(last_sat);
 979         return LOCATIONS_ERROR_NONE;
 980 }
 981
 982 int gps_status_foreach_last_satellites_in_view(location_manager_h manager, gps_status_get_satellites_cb callback,
 983                                                void *user_data)
 984 {
 985         LOCATIONS_NULL_ARG_CHECK(manager);
 986         LOCATIONS_NULL_ARG_CHECK(callback);
 987         location_manager_s *handle = (location_manager_s *) manager;
 988         int ret;
 989         LocationSatellite *last_sat = NULL;
 990         ret = location_get_last_satellite(handle->object, &last_sat);
 991         if (ret != LOCATION_ERROR_NONE || last_sat == NULL) {
 992                 if (ret == LOCATION_ERROR_NOT_SUPPORTED) {
 993                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 994                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 995                         return LOCATIONS_ERROR_INCORRECT_METHOD;
 996                 }
 997
 998                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : satellite is NULL ",
 999                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
1000                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
1001         }
1002
1003         int i;
1004         for (i = 0; i < last_sat->num_of_sat_inview; i++) {
1005                 guint prn;
1006                 gboolean used;
1007                 guint elevation;
1008                 guint azimuth;
1009                 gint snr;
1010                 location_satellite_get_satellite_details(last_sat, i, &prn, &used, &elevation, &azimuth, &snr);
1011                 if (callback(azimuth, elevation, prn, snr, used, user_data) != TRUE) {
1012                         break;
1013                 }
1014         }
1015         location_satellite_free(last_sat);
1016         return LOCATIONS_ERROR_NONE;
1017 }