location/location-velocity.c

   1 /*
   2  * libslp-location
   3  *
   4  * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Youngae Kang <youngae.kang@samsung.com>, Yunhan Kim <yhan.kim@samsung.com>,
   7  *          Genie Kim <daejins.kim@samsung.com>, Minjune Kim <sena06.kim@samsung.com>
   8  *
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  * http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include "config.h"
  24 #endif
  25
  26 #include "location/location-velocity.h"
  27 #include "location/location-log.h"
  28
  29 GType
  30 location_velocity_get_type (void)
  31 {
  32         static volatile gsize type_volatile = 0;
  33         if(g_once_init_enter(&type_volatile)) {
  34                 GType type = g_boxed_type_register_static (
  35                         g_intern_static_string ("LocationVelocity"),
  36                         (GBoxedCopyFunc) location_velocity_copy,
  37                         (GBoxedFreeFunc) location_velocity_free);
  38                 g_once_init_leave(&type_volatile, type);
  39         }
  40         return type_volatile;
  41 }
  42
  43 EXPORT_API LocationVelocity*
  44 location_velocity_new (guint timestamp,
  45         gdouble speed,
  46         gdouble direction,
  47         gdouble climb)
  48 {
  49         LocationVelocity* velocity = g_slice_new0(LocationVelocity);
  50         velocity->timestamp = timestamp;
  51         velocity->speed = speed;
  52         velocity->direction = direction;
  53         velocity->climb = climb;
  54         return velocity;
  55 }
  56
  57 EXPORT_API void
  58 location_velocity_free (LocationVelocity* velocity)
  59 {
  60         g_return_if_fail(velocity);
  61         g_slice_free(LocationVelocity, velocity);
  62 }
  63
  64 EXPORT_API gboolean
  65 location_velocity_equal (const LocationVelocity *velocity1, const LocationVelocity *velocity2)
  66 {
  67         g_return_val_if_fail(velocity1, FALSE);
  68         g_return_val_if_fail(velocity2, FALSE);
  69
  70         if (velocity1->timestamp == velocity2->timestamp &&
  71                 velocity1->speed == velocity2->speed &&
  72                 velocity1->direction == velocity2->direction &&
  73                 velocity1->climb == velocity2->climb)
  74                 return TRUE;
  75         return FALSE;
  76 }
  77
  78 EXPORT_API LocationVelocity*
  79 location_velocity_copy (const LocationVelocity *velocity)
  80 {
  81         g_return_val_if_fail(velocity, NULL);
  82
  83         LocationVelocity *new_velocity = NULL;
  84
  85         new_velocity = location_velocity_new(velocity->timestamp,
  86                                                                 velocity->speed,
  87                                                                 velocity->direction,
  88                                                                 velocity->climb);
  89         if(new_velocity) new_velocity->updated_timestamp = velocity->updated_timestamp;
  90
  91         return new_velocity;
  92 }