src/locations.c

   1 /*
   2  * Copyright (c) 2011-2013 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
 406         handle->sig_id[_LOCATION_SIGNAL_SERVICE_ENABLED] = g_signal_connect(handle->object, "service-enabled", G_CALLBACK(__cb_service_enabled), handle);
 407         handle->sig_id[_LOCATION_SIGNAL_SERVICE_DISABLED] = g_signal_connect(handle->object, "service-disabled", G_CALLBACK(__cb_service_disabled), handle);
 408
 409         *manager = (location_manager_h) handle;
 410         return LOCATIONS_ERROR_NONE;
 411 }
 412
 413 int location_manager_destroy(location_manager_h manager)
 414 {
 415         LOCATIONS_NULL_ARG_CHECK(manager);
 416         location_manager_s *handle = (location_manager_s *) manager;
 417
 418         g_signal_handler_disconnect(handle->object, handle->sig_id[_LOCATION_SIGNAL_SERVICE_ENABLED]);
 419         g_signal_handler_disconnect(handle->object, handle->sig_id[_LOCATION_SIGNAL_SERVICE_DISABLED]);
 420
 421         int ret = location_free(handle->object);
 422         if (ret != LOCATIONS_ERROR_NONE) {
 423                 return __convert_error_code(ret);
 424         }
 425         free(handle);
 426         return LOCATIONS_ERROR_NONE;
 427 }
 428
 429 int location_manager_start(location_manager_h manager)
 430 {
 431         LOCATIONS_NULL_ARG_CHECK(manager);
 432         location_manager_s *handle = (location_manager_s *) manager;
 433
 434         handle->sig_id[_LOCATION_SIGNAL_SERVICE_UPDATED] = g_signal_connect(handle->object, "service-updated", G_CALLBACK(__cb_service_updated), handle);
 435         handle->sig_id[_LOCATION_SIGNAL_ZONE_IN] = g_signal_connect(handle->object, "zone-in", G_CALLBACK(__cb_zone_in), handle);
 436         handle->sig_id[_LOCATION_SIGNAL_ZONE_OUT] = g_signal_connect(handle->object, "zone-out", G_CALLBACK(__cb_zone_out), handle);
 437
 438         int ret = location_start(handle->object);
 439         if (ret != LOCATION_ERROR_NONE) {
 440                 return __convert_error_code(ret);
 441         }
 442         return LOCATIONS_ERROR_NONE;
 443 }
 444
 445 int location_manager_stop(location_manager_h manager)
 446 {
 447         LOCATIONS_NULL_ARG_CHECK(manager);
 448         location_manager_s *handle = (location_manager_s *) manager;
 449
 450         g_signal_handler_disconnect(handle->object, handle->sig_id[_LOCATION_SIGNAL_SERVICE_UPDATED]);
 451         g_signal_handler_disconnect(handle->object, handle->sig_id[_LOCATION_SIGNAL_ZONE_IN]);
 452         g_signal_handler_disconnect(handle->object, handle->sig_id[_LOCATION_SIGNAL_ZONE_OUT]);
 453
 454         int ret = location_stop(handle->object);
 455         if (ret != LOCATION_ERROR_NONE) {
 456                 return __convert_error_code(ret);
 457         }
 458         return LOCATIONS_ERROR_NONE;
 459 }
 460
 461 int location_manager_add_boundary(location_manager_h manager, location_bounds_h bounds)
 462 {
 463         LOCATIONS_NULL_ARG_CHECK(manager);
 464         LOCATIONS_NULL_ARG_CHECK(bounds);
 465
 466         location_manager_s *handle = (location_manager_s *) manager;
 467         location_bounds_s *bound_handle = (location_bounds_s *) bounds;
 468         int ret = location_boundary_add(handle->object, bound_handle->boundary);
 469         if (ret != LOCATION_ERROR_NONE) {
 470                 return __convert_error_code(ret);
 471         }
 472         bound_handle->is_added = TRUE;
 473         handle->bounds_list = g_list_append(handle->bounds_list, bound_handle);
 474         return LOCATIONS_ERROR_NONE;
 475 }
 476
 477 int location_manager_remove_boundary(location_manager_h manager, location_bounds_h bounds)
 478 {
 479         LOCATIONS_NULL_ARG_CHECK(manager);
 480         LOCATIONS_NULL_ARG_CHECK(bounds);
 481
 482         location_manager_s *handle = (location_manager_s *) manager;
 483         location_bounds_s *bound_handle = (location_bounds_s *) bounds;
 484         int ret = location_boundary_remove(handle->object, bound_handle->boundary);
 485         if (ret != LOCATION_ERROR_NONE) {
 486                 return __convert_error_code(ret);
 487         }
 488         handle->bounds_list = g_list_remove(handle->bounds_list, bound_handle);
 489         bound_handle->is_added = FALSE;
 490         return LOCATIONS_ERROR_NONE;
 491 }
 492
 493 int location_manager_foreach_boundary(location_manager_h manager, location_bounds_cb callback, void *user_data)
 494 {
 495         LOCATIONS_NULL_ARG_CHECK(manager);
 496         LOCATIONS_NULL_ARG_CHECK(callback);
 497
 498         location_manager_s *handle = (location_manager_s *) manager;
 499         handle->user_cb[_LOCATIONS_EVENT_TYPE_FOREACH_BOUNDS] = callback;
 500         handle->user_data[_LOCATIONS_EVENT_TYPE_FOREACH_BOUNDS] = user_data;
 501         handle->is_continue_foreach_bounds = TRUE;
 502         int ret = location_boundary_foreach(handle->object, __foreach_boundary, handle);
 503         if (ret != LOCATION_ERROR_NONE) {
 504                 return __convert_error_code(ret);
 505         }
 506         return LOCATIONS_ERROR_NONE;
 507 }
 508
 509 int location_manager_get_method(location_manager_h manager, location_method_e * method)
 510 {
 511         LOCATIONS_NULL_ARG_CHECK(manager);
 512         LOCATIONS_NULL_ARG_CHECK(method);
 513         location_manager_s *handle = (location_manager_s *) manager;
 514         LocationMethod _method = LOCATION_METHOD_NONE;
 515         g_object_get(handle->object, "method", &_method, NULL);
 516         switch (_method) {
 517         case LOCATION_METHOD_NONE:
 518                 *method = LOCATIONS_METHOD_NONE;
 519                 break;
 520         case LOCATION_METHOD_HYBRID:
 521                 *method = LOCATIONS_METHOD_HYBRID;
 522                 break;
 523         case LOCATION_METHOD_GPS:
 524                 *method = LOCATIONS_METHOD_GPS;
 525                 break;
 526         case LOCATION_METHOD_WPS:
 527                 *method = LOCATIONS_METHOD_WPS;
 528                 break;
 529         case LOCATION_METHOD_CPS:
 530                 *method = LOCATIONS_METHOD_CPS;
 531                 break;
 532         default:
 533                 {
 534                         LOCATIONS_LOGE("LOCATIONS_ERROR_INVALID_PARAMETER(0x%08x) : Out of range (location_method_e) - method : %d ",
 535                              LOCATIONS_ERROR_INVALID_PARAMETER, method);
 536                         return LOCATIONS_ERROR_INVALID_PARAMETER;
 537                 }
 538         }
 539         //*method = handle->method;
 540         return LOCATIONS_ERROR_NONE;
 541 }
 542
 543 int location_manager_get_position(location_manager_h manager, double *altitude, double *latitude, double *longitude,
 544                                   time_t * timestamp)
 545 {
 546         LOCATIONS_NULL_ARG_CHECK(manager);
 547         LOCATIONS_NULL_ARG_CHECK(altitude);
 548         LOCATIONS_NULL_ARG_CHECK(latitude);
 549         LOCATIONS_NULL_ARG_CHECK(longitude);
 550         LOCATIONS_NULL_ARG_CHECK(timestamp);
 551
 552         location_manager_s *handle = (location_manager_s *) manager;
 553         int ret;
 554         LocationPosition *pos = NULL;
 555         LocationAccuracy *acc = NULL;
 556         ret = location_get_position(handle->object, &pos, &acc);
 557         if (ret != LOCATION_ERROR_NONE) {
 558                 return __convert_error_code(ret);
 559         }
 560
 561         if (pos->status == LOCATION_STATUS_NO_FIX) {
 562                 *altitude = -1;
 563                 *latitude = -1;
 564                 *longitude = -1;
 565         } else {
 566                 if (pos->status == LOCATION_STATUS_3D_FIX) {
 567                         *altitude = pos->altitude;
 568                 } else {
 569                         *altitude = -1;
 570                 }
 571                 *latitude = pos->latitude;
 572                 *longitude = pos->longitude;
 573         }
 574         *timestamp = pos->timestamp;
 575         location_position_free(pos);
 576         location_accuracy_free(acc);
 577         return LOCATIONS_ERROR_NONE;
 578 }
 579
 580 int location_manager_get_velocity(location_manager_h manager, double *climb, double *direction, double *speed, time_t * timestamp)
 581 {
 582         LOCATIONS_NULL_ARG_CHECK(manager);
 583         LOCATIONS_NULL_ARG_CHECK(climb);
 584         LOCATIONS_NULL_ARG_CHECK(direction);
 585         LOCATIONS_NULL_ARG_CHECK(speed);
 586         LOCATIONS_NULL_ARG_CHECK(timestamp);
 587
 588         location_manager_s *handle = (location_manager_s *) manager;
 589         int ret;
 590         LocationVelocity *vel = NULL;
 591         LocationAccuracy *acc = NULL;
 592         ret = location_get_velocity(handle->object, &vel, &acc);
 593         if (ret != LOCATION_ERROR_NONE) {
 594                 return __convert_error_code(ret);
 595         }
 596
 597         *climb = vel->climb;
 598         *direction = vel->direction;
 599         *speed = vel->speed;
 600         *timestamp = vel->timestamp;
 601         location_velocity_free(vel);
 602         location_accuracy_free(acc);
 603         return LOCATIONS_ERROR_NONE;
 604 }
 605
 606 int location_manager_get_accuracy(location_manager_h manager, location_accuracy_level_e * level, double *horizontal,
 607                                   double *vertical)
 608 {
 609         LOCATIONS_NULL_ARG_CHECK(manager);
 610         LOCATIONS_NULL_ARG_CHECK(level);
 611         LOCATIONS_NULL_ARG_CHECK(horizontal);
 612         LOCATIONS_NULL_ARG_CHECK(vertical);
 613         location_manager_s *handle = (location_manager_s *) manager;
 614
 615         int ret;
 616         LocationPosition *pos = NULL;
 617         LocationAccuracy *acc = NULL;
 618         ret = location_get_position(handle->object, &pos, &acc);
 619         if (ret != LOCATION_ERROR_NONE) {
 620                 return __convert_error_code(ret);
 621         }
 622
 623         if (acc == NULL) {
 624                 return __convert_error_code(LOCATION_ERROR_NOT_AVAILABLE);
 625         }
 626
 627         *level = acc->level;
 628         *horizontal = acc->horizontal_accuracy;
 629         *vertical = acc->vertical_accuracy;
 630         location_position_free(pos);
 631         location_accuracy_free(acc);
 632         return LOCATIONS_ERROR_NONE;
 633 }
 634
 635 int location_manager_get_last_position(location_manager_h manager, double *altitude, double *latitude, double *longitude,
 636                                        time_t * timestamp)
 637 {
 638         LOCATIONS_NULL_ARG_CHECK(manager);
 639         LOCATIONS_NULL_ARG_CHECK(altitude);
 640         LOCATIONS_NULL_ARG_CHECK(latitude);
 641         LOCATIONS_NULL_ARG_CHECK(longitude);
 642         LOCATIONS_NULL_ARG_CHECK(timestamp);
 643
 644         location_manager_s *handle = (location_manager_s *) manager;
 645
 646         int ret;
 647         LocationPosition *last_pos = NULL;
 648         LocationAccuracy *last_acc = NULL;
 649         ret = location_get_last_position(handle->object, &last_pos, &last_acc);
 650         if (ret != LOCATION_ERROR_NONE) {
 651                 return __convert_error_code(ret);
 652         }
 653
 654         if (last_pos->status == LOCATION_STATUS_NO_FIX) {
 655                 *altitude = -1;
 656                 *latitude = -1;
 657                 *longitude = -1;
 658         } else {
 659                 if (last_pos->status == LOCATION_STATUS_3D_FIX) {
 660                         *altitude = last_pos->altitude;
 661                 } else {
 662                         *altitude = -1;
 663                 }
 664                 *latitude = last_pos->latitude;
 665                 *longitude = last_pos->longitude;
 666         }
 667         *timestamp = last_pos->timestamp;
 668         location_position_free(last_pos);
 669         location_accuracy_free(last_acc);
 670         return LOCATIONS_ERROR_NONE;
 671 }
 672
 673 int location_manager_get_last_velocity(location_manager_h manager, double *climb, double *direction, double *speed, time_t * timestamp)
 674 {
 675         LOCATIONS_NULL_ARG_CHECK(manager);
 676         LOCATIONS_NULL_ARG_CHECK(climb);
 677         LOCATIONS_NULL_ARG_CHECK(direction);
 678         LOCATIONS_NULL_ARG_CHECK(speed);
 679         LOCATIONS_NULL_ARG_CHECK(timestamp);
 680
 681         location_manager_s *handle = (location_manager_s *) manager;
 682
 683         int ret;
 684         LocationVelocity *last_vel = NULL;
 685         LocationAccuracy *last_acc = NULL;
 686         ret = location_get_last_velocity(handle->object, &last_vel, &last_acc);
 687         if (ret != LOCATION_ERROR_NONE) {
 688                 return __convert_error_code(ret);
 689         }
 690
 691         *climb = last_vel->climb;
 692         *direction = last_vel->direction;
 693         *speed = last_vel->speed;
 694         *timestamp = last_vel->timestamp;
 695         location_velocity_free(last_vel);
 696         location_accuracy_free(last_acc);
 697         return LOCATIONS_ERROR_NONE;
 698 }
 699
 700 int location_manager_get_last_accuracy(location_manager_h manager, location_accuracy_level_e * level, double *horizontal,
 701                                        double *vertical)
 702 {
 703         LOCATIONS_NULL_ARG_CHECK(manager);
 704         LOCATIONS_NULL_ARG_CHECK(level);
 705         LOCATIONS_NULL_ARG_CHECK(horizontal);
 706         LOCATIONS_NULL_ARG_CHECK(vertical);
 707         location_manager_s *handle = (location_manager_s *) manager;
 708
 709         int ret;
 710         LocationPosition *last_pos = NULL;
 711         LocationAccuracy *last_acc = NULL;
 712         ret = location_get_last_position(handle->object, &last_pos, &last_acc);
 713         if (ret != LOCATION_ERROR_NONE) {
 714                 return __convert_error_code(ret);
 715         }
 716
 717         *level = last_acc->level;
 718         *horizontal = last_acc->horizontal_accuracy;
 719         *vertical = last_acc->vertical_accuracy;
 720         location_position_free(last_pos);
 721         location_accuracy_free(last_acc);
 722         return LOCATIONS_ERROR_NONE;
 723 }
 724
 725 int location_manager_get_accessibility_state(location_accessibility_state_e* state)
 726 {
 727         LOCATIONS_NULL_ARG_CHECK(state);
 728
 729         int ret = LOCATION_ERROR_NONE;
 730         LocationAccessState auth = LOCATION_ACCESS_NONE;
 731         ret = location_get_accessibility_state (&auth);
 732         if (ret != LOCATION_ERROR_NONE) {
 733                 *state = LOCATIONS_ACCESS_STATE_NONE;
 734                 return __convert_error_code(ret);
 735         }
 736
 737         switch (auth) {
 738                 case LOCATION_ACCESS_DENIED:
 739                         *state = LOCATIONS_ACCESS_STATE_DENIED;
 740                         break;
 741                 case LOCATION_ACCESS_ALLOWED:
 742                         *state = LOCATIONS_ACCESS_STATE_ALLOWED;
 743                         break;
 744                 case LOCATION_ACCESS_NONE:
 745                 default:
 746                         *state = LOCATIONS_ACCESS_STATE_NONE;
 747                         break;
 748         }
 749
 750         return LOCATIONS_ERROR_NONE;
 751 }
 752
 753 int location_manager_set_position_updated_cb(location_manager_h manager, location_position_updated_cb callback, int interval, void *user_data)
 754 {
 755         LOCATIONS_CHECK_CONDITION(interval >= 1
 756                                   && interval <= 120, LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 757         LOCATIONS_NULL_ARG_CHECK(manager);
 758         location_manager_s *handle = (location_manager_s *) manager;
 759         g_object_set(handle->object, "pos-interval", interval, NULL);
 760         return __set_callback(_LOCATIONS_EVENT_TYPE_POSITION, manager, callback, user_data);
 761 }
 762
 763 int location_manager_unset_position_updated_cb(location_manager_h manager)
 764 {
 765         return __unset_callback(_LOCATIONS_EVENT_TYPE_POSITION, manager);
 766 }
 767
 768 int location_manager_set_velocity_updated_cb(location_manager_h manager, location_velocity_updated_cb callback, int interval, void *user_data)
 769 {
 770         LOCATIONS_CHECK_CONDITION(interval >= 1
 771                                   && interval <= 120, LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 772         LOCATIONS_NULL_ARG_CHECK(manager);
 773         location_manager_s *handle = (location_manager_s *) manager;
 774         g_object_set(handle->object, "vel-interval", interval, NULL);
 775         return __set_callback(_LOCATIONS_EVENT_TYPE_VELOCITY, manager, callback, user_data);
 776 }
 777
 778 int location_manager_unset_velocity_updated_cb(location_manager_h manager)
 779 {
 780         return __unset_callback(_LOCATIONS_EVENT_TYPE_VELOCITY, manager);
 781 }
 782
 783 int location_manager_set_service_state_changed_cb(location_manager_h manager, location_service_state_changed_cb callback,
 784                                                   void *user_data)
 785 {
 786         return __set_callback(_LOCATIONS_EVENT_TYPE_SERVICE_STATE, manager, callback, user_data);
 787 }
 788
 789 int location_manager_unset_service_state_changed_cb(location_manager_h manager)
 790 {
 791         return __unset_callback(_LOCATIONS_EVENT_TYPE_SERVICE_STATE, manager);
 792 }
 793
 794 int location_manager_set_zone_changed_cb(location_manager_h manager, location_zone_changed_cb callback, void *user_data)
 795 {
 796         return __set_callback(_LOCATIONS_EVENT_TYPE_BOUNDARY, manager, callback, user_data);
 797 }
 798
 799 int location_manager_unset_zone_changed_cb(location_manager_h manager)
 800 {
 801         return __unset_callback(_LOCATIONS_EVENT_TYPE_BOUNDARY, manager);
 802 }
 803
 804 int location_manager_get_distance(double start_latitude, double start_longitude, double end_latitude, double end_longitude, double *distance)
 805 {
 806         LOCATIONS_NULL_ARG_CHECK(distance);
 807         LOCATIONS_CHECK_CONDITION(start_latitude>=-90 && start_latitude<=90,LOCATIONS_ERROR_INVALID_PARAMETER,"LOCATIONS_ERROR_INVALID_PARAMETER");
 808         LOCATIONS_CHECK_CONDITION(start_longitude>=-180 && start_longitude<=180,LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 809         LOCATIONS_CHECK_CONDITION(end_latitude>=-90 && end_latitude<=90,LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 810         LOCATIONS_CHECK_CONDITION(end_longitude>=-180 && end_longitude<=180,LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 811
 812         int ret = LOCATION_ERROR_NONE;
 813         ulong u_distance;
 814
 815         LocationPosition *start = location_position_new (0, start_latitude, start_longitude, 0, LOCATION_STATUS_2D_FIX);
 816         LocationPosition *end = location_position_new (0, end_latitude, end_longitude, 0, LOCATION_STATUS_2D_FIX);
 817
 818         ret = location_get_distance (start, end, &u_distance);
 819         if (ret != LOCATION_ERROR_NONE) {
 820                 return __convert_error_code(ret);
 821         }
 822
 823         *distance = (double)u_distance;
 824
 825         return LOCATIONS_ERROR_NONE;
 826 }
 827
 828 int location_manager_send_command(const char *cmd)
 829 {
 830         LOCATIONS_NULL_ARG_CHECK(cmd);
 831
 832         int ret;
 833         ret = location_send_command(cmd);
 834         if (ret != LOCATION_ERROR_NONE) {
 835                 return __convert_error_code(ret);
 836         }
 837
 838         return LOCATIONS_ERROR_NONE;
 839 }
 840
 841 /////////////////////////////////////////
 842 // GPS Status & Satellites
 843 ////////////////////////////////////////
 844
 845 int gps_status_get_nmea(location_manager_h manager, char **nmea)
 846 {
 847         LOCATIONS_NULL_ARG_CHECK(manager);
 848         LOCATIONS_NULL_ARG_CHECK(nmea);
 849         location_manager_s *handle = (location_manager_s *) manager;
 850
 851         if (handle->method == LOCATIONS_METHOD_HYBRID) {
 852                 LocationMethod _method = LOCATION_METHOD_NONE;
 853                 g_object_get(handle->object, "method", &_method, NULL);
 854                 if (_method != LOCATION_METHOD_GPS) {
 855                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 856                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 857                         return LOCATIONS_ERROR_INCORRECT_METHOD;
 858                 }
 859         } else if (handle->method != LOCATIONS_METHOD_GPS) {
 860                 LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 861                      LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 862                 return LOCATIONS_ERROR_INCORRECT_METHOD;
 863         }
 864         gchar *nmea_data = NULL;
 865         g_object_get(handle->object, "nmea", &nmea_data, NULL);
 866         if (nmea_data == NULL) {
 867                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : nmea data is NULL ",
 868                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
 869                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 870         }
 871         *nmea = NULL;
 872         *nmea = strdup(nmea_data);
 873         if (*nmea == NULL) {
 874                 LOCATIONS_LOGE("LOCATIONS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to strdup ",
 875                      LOCATIONS_ERROR_OUT_OF_MEMORY);
 876                 return LOCATIONS_ERROR_OUT_OF_MEMORY;
 877         }
 878         g_free(nmea_data);
 879         return LOCATIONS_ERROR_NONE;
 880 }
 881
 882 int gps_status_get_satellite(location_manager_h manager, int *num_of_active, int *num_of_inview, time_t *timestamp)
 883 {
 884         LOCATIONS_NULL_ARG_CHECK(manager);
 885         LOCATIONS_NULL_ARG_CHECK(num_of_active);
 886         LOCATIONS_NULL_ARG_CHECK(num_of_inview);
 887         LOCATIONS_NULL_ARG_CHECK(timestamp);
 888         location_manager_s *handle = (location_manager_s *) manager;
 889         LocationSatellite *sat = NULL;
 890         int ret = location_get_satellite (handle->object, &sat);
 891         if (ret != LOCATION_ERROR_NONE || sat == NULL) {
 892                 if (ret == LOCATION_ERROR_NOT_SUPPORTED) {
 893                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 894                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 895                         return LOCATIONS_ERROR_INCORRECT_METHOD;
 896                 }
 897
 898                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : satellite is NULL ",
 899                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
 900                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 901         }
 902
 903         *num_of_active = sat->num_of_sat_used;
 904         *num_of_inview = sat->num_of_sat_inview;
 905         *timestamp = sat->timestamp;
 906         location_satellite_free(sat);
 907         sat = NULL;
 908         return LOCATIONS_ERROR_NONE;
 909 }
 910
 911 int gps_status_set_satellite_updated_cb(location_manager_h manager, gps_status_satellite_updated_cb callback, int interval, void *user_data)
 912 {
 913         LOCATIONS_CHECK_CONDITION(interval >= 1
 914                                   && interval <= 120, LOCATIONS_ERROR_INVALID_PARAMETER, "LOCATIONS_ERROR_INVALID_PARAMETER");
 915         LOCATIONS_NULL_ARG_CHECK(manager);
 916         location_manager_s *handle = (location_manager_s *) manager;
 917         g_object_set(handle->object, "sat-interval", interval, NULL);
 918         return __set_callback(_LOCATIONS_EVENT_TYPE_SATELLITE, manager, callback, user_data);
 919 }
 920
 921 int gps_status_unset_satellite_updated_cb(location_manager_h manager)
 922 {
 923         return __unset_callback(_LOCATIONS_EVENT_TYPE_SATELLITE, manager);
 924 }
 925
 926
 927 int gps_status_foreach_satellites_in_view(location_manager_h manager, gps_status_get_satellites_cb callback, void *user_data)
 928 {
 929         LOCATIONS_NULL_ARG_CHECK(manager);
 930         LOCATIONS_NULL_ARG_CHECK(callback);
 931         location_manager_s *handle = (location_manager_s *) manager;
 932         LocationSatellite *sat = NULL;
 933         int ret = location_get_satellite (handle->object, &sat);
 934         if (ret != LOCATION_ERROR_NONE || sat == NULL) {
 935                 if (ret == LOCATION_ERROR_NOT_SUPPORTED) {
 936                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 937                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 938                         return LOCATIONS_ERROR_INCORRECT_METHOD;
 939                 }
 940
 941                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : satellite is NULL ",
 942                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
 943                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 944         }
 945
 946         int i;
 947         for (i = 0; i < sat->num_of_sat_inview; i++) {
 948                 guint prn;
 949                 gboolean used;
 950                 guint elevation;
 951                 guint azimuth;
 952                 gint snr;
 953                 location_satellite_get_satellite_details(sat, i, &prn, &used, &elevation, &azimuth, &snr);
 954                 if (callback(azimuth, elevation, prn, snr, used, user_data) != TRUE)
 955                         break;
 956         }
 957         location_satellite_free(sat);
 958         sat = NULL;
 959         return LOCATIONS_ERROR_NONE;
 960 }
 961
 962 int gps_status_get_last_satellite(location_manager_h manager, int *num_of_active, int *num_of_inview, time_t *timestamp)
 963 {
 964         LOCATIONS_NULL_ARG_CHECK(manager);
 965         LOCATIONS_NULL_ARG_CHECK(num_of_active);
 966         LOCATIONS_NULL_ARG_CHECK(num_of_inview);
 967         LOCATIONS_NULL_ARG_CHECK(timestamp);
 968         location_manager_s *handle = (location_manager_s *) manager;
 969         int ret = LOCATION_ERROR_NONE;
 970         LocationSatellite *last_sat = NULL;
 971         ret = location_get_last_satellite(handle->object, &last_sat);
 972         if (ret != LOCATION_ERROR_NONE || last_sat == NULL) {
 973                 if (ret == LOCATION_ERROR_NOT_SUPPORTED) {
 974                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
 975                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
 976                         return LOCATIONS_ERROR_INCORRECT_METHOD;
 977                 }
 978
 979                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : satellite is NULL ",
 980                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
 981                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
 982         }
 983
 984         *num_of_active = last_sat->num_of_sat_used;
 985         *num_of_inview = last_sat->num_of_sat_inview;
 986         *timestamp = last_sat->timestamp;
 987         location_satellite_free(last_sat);
 988         return LOCATIONS_ERROR_NONE;
 989 }
 990
 991 int gps_status_foreach_last_satellites_in_view(location_manager_h manager, gps_status_get_satellites_cb callback,
 992                                                void *user_data)
 993 {
 994         LOCATIONS_NULL_ARG_CHECK(manager);
 995         LOCATIONS_NULL_ARG_CHECK(callback);
 996         location_manager_s *handle = (location_manager_s *) manager;
 997         int ret;
 998         LocationSatellite *last_sat = NULL;
 999         ret = location_get_last_satellite(handle->object, &last_sat);
1000         if (ret != LOCATION_ERROR_NONE || last_sat == NULL) {
1001                 if (ret == LOCATION_ERROR_NOT_SUPPORTED) {
1002                         LOCATIONS_LOGE("LOCATIONS_ERROR_INCORRECT_METHOD(0x%08x) : method - %d",
1003                              LOCATIONS_ERROR_INCORRECT_METHOD, handle->method);
1004                         return LOCATIONS_ERROR_INCORRECT_METHOD;
1005                 }
1006
1007                 LOCATIONS_LOGE("LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE(0x%08x) : satellite is NULL ",
1008                      LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE);
1009                 return LOCATIONS_ERROR_SERVICE_NOT_AVAILABLE;
1010         }
1011
1012         int i;
1013         for (i = 0; i < last_sat->num_of_sat_inview; i++) {
1014                 guint prn;
1015                 gboolean used;
1016                 guint elevation;
1017                 guint azimuth;
1018                 gint snr;
1019                 location_satellite_get_satellite_details(last_sat, i, &prn, &used, &elevation, &azimuth, &snr);
1020                 if (callback(azimuth, elevation, prn, snr, used, user_data) != TRUE) {
1021                         break;
1022                 }
1023         }
1024         location_satellite_free(last_sat);
1025         return LOCATIONS_ERROR_NONE;
1026 }