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/* -*- 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) 2010 Red Hat, Inc.
*/
#include <string.h>
#include <dbus/dbus-glib.h>
#include "mm-modem-location.h"
#include "mm-errors.h"
#include "mm-callback-info.h"
#include "mm-marshal.h"
static void impl_modem_location_enable (MMModemLocation *modem,
gboolean enable,
gboolean signal_location,
DBusGMethodInvocation *context);
static void impl_modem_location_get_location (MMModemLocation *modem,
DBusGMethodInvocation *context);
#include "mm-modem-location-glue.h"
/*****************************************************************************/
static void
async_call_done (MMModem *modem, GError *error, gpointer user_data)
{
DBusGMethodInvocation *context = (DBusGMethodInvocation *) user_data;
if (error)
dbus_g_method_return_error (context, error);
else
dbus_g_method_return (context);
}
static void
async_call_not_supported (MMModemLocation *self,
MMModemFn callback,
gpointer user_data)
{
MMCallbackInfo *info;
info = mm_callback_info_new (MM_MODEM (self), callback, user_data);
info->error = g_error_new_literal (MM_MODEM_ERROR, MM_MODEM_ERROR_OPERATION_NOT_SUPPORTED,
"Operation not supported");
mm_callback_info_schedule (info);
}
/*****************************************************************************/
typedef struct {
gboolean enable;
gboolean signals_location;
} LocAuthInfo;
static void
loc_auth_info_destroy (gpointer data)
{
LocAuthInfo *info = data;
memset (info, 0, sizeof (LocAuthInfo));
g_free (info);
}
static LocAuthInfo *
loc_auth_info_new (gboolean enable, gboolean signals_location)
{
LocAuthInfo *info;
info = g_malloc0 (sizeof (LocAuthInfo));
info->enable = enable;
info->signals_location = signals_location;
return info;
}
/*****************************************************************************/
void
mm_modem_location_enable (MMModemLocation *self,
gboolean enable,
gboolean signals_location,
MMModemFn callback,
gpointer user_data)
{
g_return_if_fail (MM_IS_MODEM_LOCATION (self));
g_return_if_fail (callback != NULL);
if (MM_MODEM_LOCATION_GET_INTERFACE (self)->enable)
MM_MODEM_LOCATION_GET_INTERFACE (self)->enable (self, enable, signals_location, callback, user_data);
else
async_call_not_supported (self, callback, user_data);
}
/*****************************************************************************/
static void
loc_enable_auth_cb (MMAuthRequest *req,
GObject *owner,
DBusGMethodInvocation *context,
gpointer user_data)
{
MMModemLocation *self = MM_MODEM_LOCATION (owner);
LocAuthInfo *info = (LocAuthInfo *) user_data;
GError *error = NULL;
/* Return any authorization error, otherwise enable location gathering */
if (!mm_modem_auth_finish (MM_MODEM (self), req, &error)) {
dbus_g_method_return_error (context, error);
g_error_free (error);
} else
mm_modem_location_enable (self, info->enable, info->signals_location, async_call_done, context);
}
static void
impl_modem_location_enable (MMModemLocation *modem,
gboolean enable,
gboolean signals_location,
DBusGMethodInvocation *context)
{
GError *error = NULL;
LocAuthInfo *info;
info = loc_auth_info_new (enable, signals_location);
/* Make sure the caller is authorized to enable location gathering */
if (!mm_modem_auth_request (MM_MODEM (modem),
MM_AUTHORIZATION_LOCATION,
context,
loc_enable_auth_cb,
info,
loc_auth_info_destroy,
&error)) {
dbus_g_method_return_error (context, error);
g_error_free (error);
}
}
/*****************************************************************************/
static void
loc_get_invoke (MMCallbackInfo *info)
{
MMModemLocationGetFn callback = (MMModemLocationGetFn) info->callback;
callback ((MMModemLocation *) info->modem, NULL, info->error, info->user_data);
}
static void
async_get_call_not_supported (MMModemLocation *self,
MMModemLocationGetFn callback,
gpointer user_data)
{
MMCallbackInfo *info;
info = mm_callback_info_new_full (MM_MODEM (self),
loc_get_invoke,
G_CALLBACK (callback),
user_data);
info->error = g_error_new_literal (MM_MODEM_ERROR, MM_MODEM_ERROR_OPERATION_NOT_SUPPORTED,
"Operation not supported");
mm_callback_info_schedule (info);
}
void
mm_modem_location_get_location (MMModemLocation *self,
MMModemLocationGetFn callback,
gpointer user_data)
{
g_return_if_fail (MM_IS_MODEM_LOCATION (self));
g_return_if_fail (callback != NULL);
if (MM_MODEM_LOCATION_GET_INTERFACE (self)->get_location)
MM_MODEM_LOCATION_GET_INTERFACE (self)->get_location (self, callback, user_data);
else
async_get_call_not_supported (self, callback, user_data);
}
/*****************************************************************************/
static void
async_get_call_done (MMModemLocation *self,
GHashTable *locations,
GError *error,
gpointer user_data)
{
DBusGMethodInvocation *context = (DBusGMethodInvocation *) user_data;
if (error)
dbus_g_method_return_error (context, error);
else
dbus_g_method_return (context, locations);
}
static void
loc_get_auth_cb (MMAuthRequest *req,
GObject *owner,
DBusGMethodInvocation *context,
gpointer user_data)
{
MMModemLocation *self = MM_MODEM_LOCATION (owner);
GError *error = NULL;
/* Return any authorization error, otherwise get the location */
if (!mm_modem_auth_finish (MM_MODEM (self), req, &error)) {
dbus_g_method_return_error (context, error);
g_error_free (error);
} else
mm_modem_location_get_location (self, async_get_call_done, context);
}
static void
impl_modem_location_get_location (MMModemLocation *modem,
DBusGMethodInvocation *context)
{
GError *error = NULL;
LocAuthInfo *info;
info = loc_auth_info_new (FALSE, FALSE);
/* Make sure the caller is authorized to enable location gathering */
if (!mm_modem_auth_request (MM_MODEM (modem),
MM_AUTHORIZATION_LOCATION,
context,
loc_get_auth_cb,
info,
loc_auth_info_destroy,
&error)) {
dbus_g_method_return_error (context, error);
g_error_free (error);
}
}
/*****************************************************************************/
static void
mm_modem_location_init (gpointer g_iface)
{
static gboolean initialized = FALSE;
if (initialized)
return;
/* Properties */
g_object_interface_install_property
(g_iface,
g_param_spec_boxed (MM_MODEM_LOCATION_LOCATION,
"Location",
"Available location information",
G_TYPE_HASH_TABLE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_interface_install_property
(g_iface,
g_param_spec_uint (MM_MODEM_LOCATION_CAPABILITIES,
"Capabilities",
"Supported location information methods",
MM_MODEM_LOCATION_CAPABILITY_UNKNOWN,
MM_MODEM_LOCATION_CAPABILITY_GPS_NMEA
| MM_MODEM_LOCATION_CAPABILITY_GSM_LAC_CI,
MM_MODEM_LOCATION_CAPABILITY_UNKNOWN,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_interface_install_property
(g_iface,
g_param_spec_boolean (MM_MODEM_LOCATION_ENABLED,
"Enabled",
"Whether or not location gathering is enabled",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_interface_install_property
(g_iface,
g_param_spec_boolean (MM_MODEM_LOCATION_SIGNALS_LOCATION,
"SignalsLocation",
"Whether or not location updates are emitted as signals",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
initialized = TRUE;
}
GType
mm_modem_location_get_type (void)
{
static GType loc_type = 0;
if (!G_UNLIKELY (loc_type)) {
const GTypeInfo loc_info = {
sizeof (MMModemLocation), /* class_size */
mm_modem_location_init, /* base_init */
NULL, /* base_finalize */
NULL,
NULL, /* class_finalize */
NULL, /* class_data */
0,
0, /* n_preallocs */
NULL
};
loc_type = g_type_register_static (G_TYPE_INTERFACE,
"MMModemLocation",
&loc_info, 0);
g_type_interface_add_prerequisite (loc_type, G_TYPE_OBJECT);
dbus_g_object_type_install_info (loc_type, &dbus_glib_mm_modem_location_object_info);
/* Register some shadow properties to handle Enabled and Capabilities
* since these could be used by other interfaces.
*/
dbus_g_object_type_register_shadow_property (loc_type,
"Enabled",
MM_MODEM_LOCATION_ENABLED);
dbus_g_object_type_register_shadow_property (loc_type,
"Capabilities",
MM_MODEM_LOCATION_CAPABILITIES);
}
return loc_type;
}
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