diff options
Diffstat (limited to 'libmm-glib/mm-location-cdma-bs.c')
| -rw-r--r-- | libmm-glib/mm-location-cdma-bs.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/libmm-glib/mm-location-cdma-bs.c b/libmm-glib/mm-location-cdma-bs.c new file mode 100644 index 00000000..993f6bef --- /dev/null +++ b/libmm-glib/mm-location-cdma-bs.c @@ -0,0 +1,219 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details: + * + * Copyright (C) 2012 Lanedo GmbH <aleksander@lanedo.com> + */ + +#include <string.h> +#include <ctype.h> +#include <stdlib.h> + +#include "mm-common-helpers.h" +#include "mm-errors-types.h" +#include "mm-location-cdma-bs.h" + +/** + * SECTION: mm-location-cdma-bs + * @title: MMLocationCdmaBs + * @short_description: Helper object to handle CDMA Base Station location information. + * + * The #MMLocationCdmaBs is an object handling the location information of the + * CDMA base station in which the modem is registered. + * + * This object is retrieved with either mm_modem_location_get_cdma_bs(), + * mm_modem_location_get_cdma_bs_sync(), mm_modem_location_get_full() or + * mm_modem_location_get_full_sync(). + */ + +G_DEFINE_TYPE (MMLocationCdmaBs, mm_location_cdma_bs, G_TYPE_OBJECT); + +#define PROPERTY_LATITUDE "latitude" +#define PROPERTY_LONGITUDE "longitude" + +struct _MMLocationCdmaBsPrivate { + gdouble latitude; + gdouble longitude; +}; + +/*****************************************************************************/ + +/** + * mm_location_cdma_bs_get_longitude: + * @self: a #MMLocationCdmaBs. + * + * Gets the longitude, in the [-180,180] range. + * + * Returns: the longitude, or %MM_LOCATION_LONGITUDE_UNKNOWN if unknown. + */ +gdouble +mm_location_cdma_bs_get_longitude (MMLocationCdmaBs *self) +{ + g_return_val_if_fail (MM_IS_LOCATION_CDMA_BS (self), + MM_LOCATION_LONGITUDE_UNKNOWN); + + return self->priv->longitude; +} + +/*****************************************************************************/ + +/** + * mm_location_cdma_bs_get_latitude: + * @self: a #MMLocationCdmaBs. + * + * Gets the latitude, in the [-90,90] range. + * + * Returns: the latitude, or %MM_LOCATION_LATITUDE_UNKNOWN if unknown. + */ +gdouble +mm_location_cdma_bs_get_latitude (MMLocationCdmaBs *self) +{ + g_return_val_if_fail (MM_IS_LOCATION_CDMA_BS (self), + MM_LOCATION_LATITUDE_UNKNOWN); + + return self->priv->latitude; +} + +/*****************************************************************************/ + +gboolean +mm_location_cdma_bs_set (MMLocationCdmaBs *self, + gdouble longitude, + gdouble latitude) +{ + g_return_val_if_fail ((longitude == MM_LOCATION_LONGITUDE_UNKNOWN || + (longitude >= -180.0 && longitude <= 180.0)), + FALSE); + g_return_val_if_fail ((latitude == MM_LOCATION_LATITUDE_UNKNOWN || + (latitude >= -90.0 && latitude <= 90.0)), + FALSE); + + if (self->priv->longitude == longitude && + self->priv->latitude == latitude) + return FALSE; + + self->priv->longitude = longitude; + self->priv->latitude = latitude; + return TRUE; +} + +/*****************************************************************************/ + +GVariant * +mm_location_cdma_bs_get_dictionary (MMLocationCdmaBs *self) +{ + GVariantBuilder builder; + + /* We do allow NULL */ + if (!self) + return NULL; + + g_return_val_if_fail (MM_IS_LOCATION_CDMA_BS (self), NULL); + + /* If mandatory parameters are not found, return NULL */ + if (self->priv->longitude == MM_LOCATION_LONGITUDE_UNKNOWN || + self->priv->latitude == MM_LOCATION_LATITUDE_UNKNOWN) + return NULL; + + g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}")); + g_variant_builder_add (&builder, + "{sv}", + PROPERTY_LONGITUDE, + g_variant_new_double (self->priv->longitude)); + g_variant_builder_add (&builder, + "{sv}", + PROPERTY_LATITUDE, + g_variant_new_double (self->priv->latitude)); + + return g_variant_ref_sink (g_variant_builder_end (&builder)); +} + +/*****************************************************************************/ + +MMLocationCdmaBs * +mm_location_cdma_bs_new_from_dictionary (GVariant *dictionary, + GError **error) +{ + GError *inner_error = NULL; + MMLocationCdmaBs *self; + GVariantIter iter; + gchar *key; + GVariant *value; + + self = mm_location_cdma_bs_new (); + if (!dictionary) + return self; + + if (!g_variant_is_of_type (dictionary, G_VARIANT_TYPE ("a{sv}"))) { + g_set_error (error, + MM_CORE_ERROR, + MM_CORE_ERROR_INVALID_ARGS, + "Cannot create CDMA BS location from dictionary: " + "invalid variant type received"); + g_object_unref (self); + return NULL; + } + + g_variant_iter_init (&iter, dictionary); + while (!inner_error && + g_variant_iter_next (&iter, "{sv}", &key, &value)) { + if (g_str_equal (key, PROPERTY_LONGITUDE)) + self->priv->longitude = g_variant_get_double (value); + else if (g_str_equal (key, PROPERTY_LATITUDE)) + self->priv->latitude = g_variant_get_double (value); + g_free (key); + g_variant_unref (value); + } + + /* If any of the mandatory parameters is missing, cleanup */ + if (self->priv->longitude == MM_LOCATION_LONGITUDE_UNKNOWN || + self->priv->latitude == MM_LOCATION_LATITUDE_UNKNOWN) { + g_set_error (error, + MM_CORE_ERROR, + MM_CORE_ERROR_INVALID_ARGS, + "Cannot create CDMA BS location from dictionary: " + "mandatory parameters missing " + "(longitude: %s, latitude: %s)", + (self->priv->longitude != MM_LOCATION_LONGITUDE_UNKNOWN) ? "yes" : "missing", + (self->priv->latitude != MM_LOCATION_LATITUDE_UNKNOWN) ? "yes" : "missing"); + g_clear_object (&self); + } + + return self; +} + +/*****************************************************************************/ + +MMLocationCdmaBs * +mm_location_cdma_bs_new (void) +{ + return (MM_LOCATION_CDMA_BS ( + g_object_new (MM_TYPE_LOCATION_CDMA_BS, NULL))); +} + +static void +mm_location_cdma_bs_init (MMLocationCdmaBs *self) +{ + self->priv = G_TYPE_INSTANCE_GET_PRIVATE ((self), + MM_TYPE_LOCATION_CDMA_BS, + MMLocationCdmaBsPrivate); + + self->priv->latitude = MM_LOCATION_LATITUDE_UNKNOWN; + self->priv->longitude = MM_LOCATION_LONGITUDE_UNKNOWN; +} + +static void +mm_location_cdma_bs_class_init (MMLocationCdmaBsClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (object_class, sizeof (MMLocationCdmaBsPrivate)); +} |