src/location_bounds.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 <system_info.h>
  21 #include "location_bounds.h"
  22 #include "location_internal.h"
  23
  24
  25 static void __free_position_list(gpointer data)
  26 {
  27         if (data == NULL)
  28                 return;
  29
  30         LocationPosition *position = (LocationPosition *) data;
  31         location_position_free(position);
  32 }
  33
  34 static location_bounds_type_e __convert_bounds_type(LocationBoundaryType type)
  35 {
  36         location_bounds_type_e ret;
  37         switch (type) {
  38                 case LOCATION_BOUNDARY_CIRCLE:
  39                         ret = LOCATION_BOUNDS_CIRCLE;
  40                         break;
  41                 case LOCATION_BOUNDARY_POLYGON:
  42                         ret = LOCATION_BOUNDS_POLYGON;
  43                         break;
  44                 case LOCATION_BOUNDARY_NONE:
  45                 case LOCATION_BOUNDARY_RECT:
  46                 default:
  47                         ret = LOCATION_BOUNDS_RECT;
  48                         break;
  49         }
  50         return ret;
  51 }
  52
  53 EXPORT_API int location_bounds_create_rect(location_coords_s top_left, location_coords_s bottom_right, location_bounds_h *bounds)
  54 {
  55         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
  56         LOCATIONS_NULL_ARG_CHECK(bounds);
  57         LOCATIONS_CHECK_CONDITION(top_left.latitude >= -90 && top_left.latitude <= 90, LOCATION_BOUNDS_ERROR_INVALID_PARAMETER, "LOCATION_BOUNDS_ERROR_INVALID_PARAMETER");
  58         LOCATIONS_CHECK_CONDITION(top_left.longitude >= -180 && top_left.longitude <= 180, LOCATION_BOUNDS_ERROR_INVALID_PARAMETER, "LOCATION_BOUNDS_ERROR_INVALID_PARAMETER");
  59         LOCATIONS_CHECK_CONDITION(bottom_right.latitude >= -90 && bottom_right.latitude <= 90, LOCATION_BOUNDS_ERROR_INVALID_PARAMETER, "LOCATION_BOUNDS_ERROR_INVALID_PARAMETER");
  60         LOCATIONS_CHECK_CONDITION(bottom_right.longitude >= -180 && bottom_right.longitude <= 180, LOCATION_BOUNDS_ERROR_INVALID_PARAMETER, "LOCATION_BOUNDS_ERROR_INVALID_PARAMETER");
  61
  62         LocationPosition *lt = location_position_new(0, top_left.latitude, top_left.longitude, 0, LOCATION_STATUS_2D_FIX);
  63         if (lt == NULL) {
  64                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to location_position_new", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
  65                 return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
  66         }
  67
  68         LocationPosition *rb = location_position_new(0, bottom_right.latitude, bottom_right.longitude, 0, LOCATION_STATUS_2D_FIX);
  69         if (rb == NULL) {
  70                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to location_position_new", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
  71                 location_position_free(lt);
  72                 return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
  73         }
  74
  75         location_bounds_s *handle = (location_bounds_s *) malloc(sizeof(location_bounds_s));
  76         if (handle == NULL) {
  77                 LOCATIONS_LOGE("OUT_OF_MEMORY(0x%08x)", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
  78                 location_position_free(rb);
  79                 location_position_free(lt);
  80                 return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
  81         }
  82         memset(handle, 0, sizeof(location_bounds_s));
  83
  84         handle->is_added = FALSE;
  85         handle->boundary = location_boundary_new_for_rect(lt, rb);
  86         location_position_free(rb);
  87         location_position_free(lt);
  88         if (handle->boundary == NULL) {
  89                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to location_boundary_new_for_rect", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
  90                 free(handle);
  91                 return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
  92         }
  93         handle->user_cb = NULL;
  94         handle->user_data = NULL;
  95
  96         *bounds = (location_bounds_h) handle;
  97         return LOCATION_BOUNDS_ERROR_NONE;
  98 }
  99
 100 EXPORT_API int location_bounds_create_circle(location_coords_s center, double radius, location_bounds_h *bounds)
 101 {
 102         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
 103         LOCATIONS_NULL_ARG_CHECK(bounds);
 104         LOCATIONS_CHECK_CONDITION(radius >= 0, LOCATION_BOUNDS_ERROR_INVALID_PARAMETER, "LOCATION_BOUNDS_ERROR_INVALID_PARAMETER");
 105         LOCATIONS_CHECK_CONDITION(center.latitude >= -90 && center.latitude <= 90, LOCATION_BOUNDS_ERROR_INVALID_PARAMETER, "LOCATION_BOUNDS_ERROR_INVALID_PARAMETER");
 106         LOCATIONS_CHECK_CONDITION(center.longitude >= -180 && center.longitude <= 180, LOCATION_BOUNDS_ERROR_INVALID_PARAMETER, "LOCATION_BOUNDS_ERROR_INVALID_PARAMETER");
 107
 108         LocationPosition *ct = location_position_new(0, center.latitude, center.longitude, 0, LOCATION_STATUS_2D_FIX);
 109         if (ct == NULL) {
 110                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to location_position_new", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
 111                 return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
 112         }
 113
 114         location_bounds_s *handle = (location_bounds_s *) malloc(sizeof(location_bounds_s));
 115         if (handle == NULL) {
 116                 LOCATIONS_LOGE("OUT_OF_MEMORY(0x%08x)", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
 117                 location_position_free(ct);
 118                 return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
 119         }
 120         memset(handle, 0, sizeof(location_bounds_s));
 121
 122         handle->is_added = FALSE;
 123         handle->boundary = location_boundary_new_for_circle(ct, radius);
 124         location_position_free(ct);
 125         if (handle->boundary == NULL) {
 126                 int ret = get_last_result();
 127                 free(handle);
 128                 if (ret == LOCATION_ERROR_PARAMETER) {
 129                         LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_INVALID_PARAMETER(0x%08x) fail to location_boundary_new_for_circle", LOCATION_BOUNDS_ERROR_INVALID_PARAMETER);
 130                         return LOCATION_BOUNDS_ERROR_INVALID_PARAMETER;
 131                 } else {
 132                         LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to location_boundary_new_for_circle", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
 133                         return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
 134                 }
 135         }
 136         handle->user_cb = NULL;
 137         handle->user_data = NULL;
 138
 139         *bounds = (location_bounds_h) handle;
 140         return LOCATION_BOUNDS_ERROR_NONE;
 141 }
 142
 143 EXPORT_API int location_bounds_create_polygon(location_coords_s *coords_list, int length, location_bounds_h *bounds)
 144 {
 145         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
 146         LOCATIONS_NULL_ARG_CHECK(coords_list);
 147         LOCATIONS_NULL_ARG_CHECK(bounds);
 148         LOCATIONS_CHECK_CONDITION(length >= 3, LOCATION_BOUNDS_ERROR_INVALID_PARAMETER, "LOCATION_BOUNDS_ERROR_INVALID_PARAMETER");
 149
 150         int i;
 151         GList *position_list = NULL;
 152         LocationPosition *position = NULL;
 153         bool isValid;
 154
 155         for (i = 0; i < length; i++) {
 156                 if (coords_list[i].latitude < -90 || coords_list[i].latitude > 90 || coords_list[i].longitude < -180 || coords_list[i].longitude > 180) {
 157                         LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_INVALID_PARAMETER(0x%08x)", LOCATION_BOUNDS_ERROR_INVALID_PARAMETER);
 158                         isValid = FALSE;
 159                         break;
 160                 }
 161                 position = location_position_new(0, coords_list[i].latitude, coords_list[i].longitude, 0.0, LOCATION_STATUS_2D_FIX);
 162                 position_list = g_list_append(position_list, position);
 163                 location_position_free(position);
 164                 isValid = TRUE;
 165         }
 166
 167         if (!isValid) {
 168                 g_list_free_full(position_list, (GDestroyNotify) __free_position_list);
 169                 return LOCATION_BOUNDS_ERROR_INVALID_PARAMETER;
 170         }
 171
 172         if (position_list == NULL) {
 173                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to location_position_new", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
 174                 g_list_free_full(position_list, (GDestroyNotify) __free_position_list);
 175                 return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
 176         }
 177
 178         location_bounds_s *handle = (location_bounds_s *) malloc(sizeof(location_bounds_s));
 179         if (handle == NULL) {
 180                 LOCATIONS_LOGE("OUT_OF_MEMORY(0x%08x)", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
 181                 return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
 182         }
 183         memset(handle, 0, sizeof(location_bounds_s));
 184
 185         handle->is_added = FALSE;
 186         handle->boundary = location_boundary_new_for_polygon(position_list);
 187         if (handle->boundary == NULL) {
 188                 int ret = get_last_result();
 189                 free(handle);
 190                 if (ret == LOCATION_ERROR_PARAMETER) {
 191                         LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_INVALID_PARAMETER(0x%08x) fail to location_boundary_new_for_polygon", LOCATION_BOUNDS_ERROR_INVALID_PARAMETER);
 192                         return LOCATION_BOUNDS_ERROR_INVALID_PARAMETER;
 193                 } else {
 194                         LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to location_boundary_new_for_polygon", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
 195                         return LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY;
 196                 }
 197         }
 198         handle->user_cb = NULL;
 199         handle->user_data = NULL;
 200
 201         *bounds = (location_bounds_h) handle;
 202         return LOCATION_BOUNDS_ERROR_NONE;
 203 }
 204
 205 EXPORT_API bool location_bounds_contains_coordinates(location_bounds_h bounds, location_coords_s coords)
 206 {
 207         if (__is_location_supported() == LOCATIONS_ERROR_NOT_SUPPORTED) {
 208                 set_last_result(LOCATIONS_ERROR_NOT_SUPPORTED);
 209                 return FALSE;
 210         }
 211
 212         if (!bounds) {
 213                 set_last_result(LOCATION_BOUNDS_ERROR_INVALID_PARAMETER);
 214                 return FALSE;
 215         }
 216
 217         if (coords.latitude < -90 || coords.latitude > 90 || coords.longitude < -180 || coords.longitude > 180) {
 218                 set_last_result(LOCATION_BOUNDS_ERROR_INVALID_PARAMETER);
 219                 return FALSE;
 220         }
 221
 222         LocationPosition *pos = location_position_new(0, coords.latitude, coords.longitude, 0, LOCATION_STATUS_2D_FIX);
 223         if (pos == NULL) {
 224                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY(0x%08x) : fail to location_position_new", LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
 225                 set_last_result(LOCATION_BOUNDS_ERROR_OUT_OF_MEMORY);
 226                 return FALSE;
 227         }
 228         location_bounds_s *handle = (location_bounds_s *) bounds;
 229         gboolean is_inside = location_boundary_if_inside(handle->boundary, pos);
 230         location_position_free(pos);
 231         bool result = is_inside ? TRUE : FALSE;
 232
 233         set_last_result(LOCATION_BOUNDS_ERROR_NONE);
 234         return result;
 235 }
 236
 237 EXPORT_API int location_bounds_get_type(location_bounds_h bounds, location_bounds_type_e *type)
 238 {
 239         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
 240         LOCATIONS_NULL_ARG_CHECK(bounds);
 241         LOCATIONS_NULL_ARG_CHECK(type);
 242
 243         location_bounds_s *handle = (location_bounds_s *) bounds;
 244         *type = __convert_bounds_type(handle->boundary->type);
 245         return LOCATION_BOUNDS_ERROR_NONE;
 246 }
 247
 248 EXPORT_API int location_bounds_get_rect_coords(location_bounds_h bounds, location_coords_s *top_left, location_coords_s *bottom_right)
 249 {
 250         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
 251         LOCATIONS_NULL_ARG_CHECK(bounds);
 252         LOCATIONS_NULL_ARG_CHECK(top_left);
 253         LOCATIONS_NULL_ARG_CHECK(bottom_right);
 254
 255         location_bounds_s *handle = (location_bounds_s *) bounds;
 256         if (__convert_bounds_type(handle->boundary->type) != LOCATION_BOUNDS_RECT) {
 257                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_INCORRECT_TYPE(0x%08x)", LOCATION_BOUNDS_ERROR_INCORRECT_TYPE);
 258                 return LOCATION_BOUNDS_ERROR_INCORRECT_TYPE;
 259         }
 260
 261         top_left->latitude = handle->boundary->rect.left_top->latitude;
 262         top_left->longitude = handle->boundary->rect.left_top->longitude;
 263         bottom_right->latitude = handle->boundary->rect.right_bottom->latitude;
 264         bottom_right->longitude = handle->boundary->rect.right_bottom->longitude;
 265         return LOCATION_BOUNDS_ERROR_NONE;
 266 }
 267
 268 EXPORT_API int location_bounds_get_circle_coords(location_bounds_h bounds, location_coords_s *center, double *radius)
 269 {
 270         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
 271         LOCATIONS_NULL_ARG_CHECK(bounds);
 272         LOCATIONS_NULL_ARG_CHECK(center);
 273         LOCATIONS_NULL_ARG_CHECK(radius);
 274
 275         location_bounds_s *handle = (location_bounds_s *) bounds;
 276         if (__convert_bounds_type(handle->boundary->type) != LOCATION_BOUNDS_CIRCLE) {
 277                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_INCORRECT_TYPE(0x%08x)", LOCATION_BOUNDS_ERROR_INCORRECT_TYPE);
 278                 return LOCATION_BOUNDS_ERROR_INCORRECT_TYPE;
 279         }
 280
 281         center->latitude = handle->boundary->circle.center->latitude;
 282         center->longitude = handle->boundary->circle.center->longitude;
 283         *radius = handle->boundary->circle.radius;
 284         return LOCATION_BOUNDS_ERROR_NONE;
 285 }
 286
 287 EXPORT_API int location_bounds_foreach_polygon_coords(location_bounds_h bounds, polygon_coords_cb callback, void *user_data)
 288 {
 289         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
 290         LOCATIONS_NULL_ARG_CHECK(bounds);
 291         LOCATIONS_NULL_ARG_CHECK(callback);
 292
 293         location_bounds_s *handle = (location_bounds_s *) bounds;
 294         if (__convert_bounds_type(handle->boundary->type) != LOCATION_BOUNDS_POLYGON) {
 295                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_INCORRECT_TYPE(0x%08x)", LOCATION_BOUNDS_ERROR_INCORRECT_TYPE);
 296                 return LOCATION_BOUNDS_ERROR_INCORRECT_TYPE;
 297         }
 298
 299         GList *list = handle->boundary->polygon.position_list;
 300         while (list) {
 301                 LocationPosition *pos = list->data;
 302                 location_coords_s coords;
 303                 coords.latitude = pos->latitude;
 304                 coords.longitude = pos->longitude;
 305
 306                 if (callback(coords, user_data) != TRUE) {
 307                         LOCATIONS_LOGI("User quit the loop ");
 308                         break;
 309                 }
 310                 list = g_list_next(list);
 311         }
 312         return LOCATION_BOUNDS_ERROR_NONE;
 313 }
 314
 315 EXPORT_API int location_bounds_destroy(location_bounds_h bounds)
 316 {
 317         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
 318         LOCATIONS_NULL_ARG_CHECK(bounds);
 319
 320         location_bounds_s *handle = (location_bounds_s *) bounds;
 321         if (handle->is_added) {
 322                 LOCATIONS_LOGE("LOCATION_BOUNDS_ERROR_IS_ADDED(0x%08x)", LOCATION_BOUNDS_ERROR_IS_ADDED);
 323                 return LOCATION_BOUNDS_ERROR_IS_ADDED;
 324         }
 325         location_boundary_free(handle->boundary);
 326         handle->user_cb = NULL;
 327         handle->user_data = NULL;
 328         free(handle);
 329         LOCATIONS_LOGE("");
 330         return LOCATION_BOUNDS_ERROR_NONE;
 331 }
 332
 333 EXPORT_API int location_bounds_set_state_changed_cb(location_bounds_h bounds, location_bounds_state_changed_cb callback, void *user_data)
 334 {
 335         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
 336         LOCATIONS_NULL_ARG_CHECK(bounds);
 337         LOCATIONS_NULL_ARG_CHECK(callback);
 338
 339         location_bounds_s *handle = (location_bounds_s *) bounds;
 340         handle->user_cb = callback;
 341         handle->user_data = user_data;
 342         return LOCATION_BOUNDS_ERROR_NONE;
 343 }
 344
 345 EXPORT_API int location_bounds_unset_state_changed_cb(location_bounds_h bounds)
 346 {
 347         LOCATIONS_NOT_SUPPORTED_CHECK(__is_location_supported());
 348         LOCATIONS_NULL_ARG_CHECK(bounds);
 349
 350         location_bounds_s *handle = (location_bounds_s *) bounds;
 351         handle->user_cb = NULL;
 352         handle->user_data = NULL;
 353         return LOCATION_BOUNDS_ERROR_NONE;
 354 }