[gnome-bluetooth] Add Geoclue GPS setup plugin

[Bastien Nocera <hadess src gnome org>]

commit 309b7e119f2ecef129f52b1d87013f6a31749d1a
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Jun 19 11:50:34 2009 +0100

    Add Geoclue GPS setup plugin

 configure.ac            |    5 ++
 lib/plugins/Makefile.am |    8 ++-
 lib/plugins/geoclue.c   |  184 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 196 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e5ffc45..a502573 100644
--- a/configure.ac
+++ b/configure.ac
@@ -110,6 +110,11 @@ PKG_CHECK_MODULES(COMMON,
 		  gtk+-2.0
 		  hal >= $HAL_REQUIRED)
 
+dnl Requires for the geoclue plugin
+PKG_CHECK_MODULES(GEOCLUE,
+		  gconf-2.0
+		  dbus-glib-1)
+
 dnl Requires for the plugins
 PKG_CHECK_MODULES(PLUGINS,
 		  gtk+-2.0)
diff --git a/lib/plugins/Makefile.am b/lib/plugins/Makefile.am
index 1357a0a..8874287 100644
--- a/lib/plugins/Makefile.am
+++ b/lib/plugins/Makefile.am
@@ -7,9 +7,11 @@ INCLUDES =                                      \
         -I$(top_srcdir)/lib			\
         -I$(top_builddir)			\
 	$(PLUGINS_CFLAGS)			\
+	$(LIBGNOMEBT_CFLAGS)			\
+	$(GEOCLUE_CFLAGS)			\
 	$(WARN_CFLAGS)
 
-plugin_LTLIBRARIES = libgbttest.la
+plugin_LTLIBRARIES = libgbttest.la libgbtgeoclue.la
 
 libgbttest_la_SOURCES = test.c
 libgbttest_la_LDFLAGS = -module -avoid-version
@@ -17,3 +19,7 @@ libgbttest_la_LIBADD = $(PLUGINS_LIBS)
 
 # override to _not_ install the test plugins
 install-pluginLTLIBRARIES:
+
+libgbtgeoclue_la_SOURCES = geoclue.c
+libgbtgeoclue_la_LDFLAGS = -module -avoid-version
+libgbtgeoclue_la_LIBADD = $(PLUGINS_LIBS) $(GEOCLUE_LIBS)
diff --git a/lib/plugins/geoclue.c b/lib/plugins/geoclue.c
new file mode 100644
index 0000000..6df686c
--- /dev/null
+++ b/lib/plugins/geoclue.c
@@ -0,0 +1,184 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2009  Bastien Nocera <hadess hadess net>
+ *
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library 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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <glib/gi18n-lib.h>
+
+#include <gtk/gtk.h>
+#include <bluetooth-plugin.h>
+#include <gconf/gconf-client.h>
+
+#include "bluetooth-client.h"
+
+#define GPS_KEY "/apps/geoclue/master/org.freedesktop.Geoclue.GPSDevice"
+
+static char *
+get_name_and_type (const char *address, BluetoothType *ret_type)
+{
+	BluetoothClient *client;
+	GtkTreeModel *model;
+	GtkTreeIter iter;
+	gboolean cont;
+	char *found_name;
+
+	found_name = NULL;
+	*ret_type = 0;
+	client = bluetooth_client_new (); 
+	model = bluetooth_client_get_model (client);
+	if (model == NULL) {
+		g_object_unref (client);
+		return NULL;
+	}
+
+	cont = gtk_tree_model_get_iter_first(model, &iter);
+	while (cont != FALSE) {
+		char *bdaddr, *name;
+		BluetoothType type;
+
+		gtk_tree_model_get(model, &iter,
+				   BLUETOOTH_COLUMN_ADDRESS, &bdaddr,
+				   BLUETOOTH_COLUMN_ALIAS, &name,
+				   BLUETOOTH_COLUMN_TYPE, &type,
+				   -1);
+		if (g_strcmp0 (bdaddr, address) == 0) {
+			g_free (bdaddr);
+			found_name = name;
+			*ret_type = type;
+			break;
+		}
+		g_free (bdaddr);
+		g_free (name);
+
+		cont = gtk_tree_model_iter_next(model, &iter);
+	}
+
+	g_object_unref (model);
+	g_object_unref (client);
+
+	return found_name;
+}
+
+static gboolean
+has_config_widget (const char *bdaddr, const char **uuids)
+{
+	gboolean has_sp = FALSE;
+	BluetoothType type;
+	char *name;
+	guint i;
+
+	if (uuids == NULL)
+		return FALSE;
+	for (i = 0; uuids[i] != NULL; i++) {
+		if (g_str_equal (uuids[i], "SerialPort")) {
+			has_sp = TRUE;
+			break;
+		}
+	}
+	if (has_sp == FALSE)
+		return FALSE;
+
+	/* Just SP? Probably a GPS */
+	if (g_strv_length ((char **) uuids) == 1)
+		return TRUE;
+
+	/* Type is ANY, probably a GPS device */
+	name = get_name_and_type (bdaddr, &type);
+	if (type == BLUETOOTH_TYPE_ANY) {
+		g_free (name);
+		return TRUE;
+	}
+
+	if (name == NULL)
+		return FALSE;
+	/* GPS in the name? */
+	if (strstr (name, "GPS") != NULL) {
+		g_free (name);
+		return TRUE;
+	}
+
+	g_free (name);
+	return FALSE;
+}
+
+static void
+toggle_button (GtkToggleButton *button, gpointer user_data)
+{
+	gboolean state;
+	GConfClient *client;
+	const char *bdaddr;
+
+	client = g_object_get_data (G_OBJECT (button), "client");
+	bdaddr = g_object_get_data (G_OBJECT (button), "bdaddr");
+
+	state = gtk_toggle_button_get_active (button);
+	if (state == FALSE) {
+		const char *old_bdaddr;
+		old_bdaddr = g_object_get_data (G_OBJECT (button), "old-bdaddr");
+		gconf_client_set_string (client, GPS_KEY, old_bdaddr ? old_bdaddr : "", NULL);
+	} else {
+		char *old_bdaddr;
+
+		old_bdaddr = gconf_client_get_string (client, GPS_KEY, NULL);
+		g_object_set_data_full (G_OBJECT (button), "old-bdaddr",
+					old_bdaddr, g_free);
+		gconf_client_set_string (client, GPS_KEY, bdaddr, NULL);
+	}
+}
+
+static GtkWidget *
+get_config_widgets (const char *bdaddr, const char **uuids)
+{
+	GtkWidget *button;
+	GConfClient *client;
+
+	client = gconf_client_get_default ();
+	if (client == NULL)
+		return NULL;
+
+	button = gtk_check_button_new_with_label (_("Use this GPS device for Geolocation services"));
+	g_signal_connect (G_OBJECT (button), "toggled",
+			  G_CALLBACK (toggle_button), NULL);
+	g_object_set_data_full (G_OBJECT (button), "bdaddr", g_strdup (bdaddr), g_free);
+	g_object_set_data_full (G_OBJECT (button), "client", client, g_object_unref);
+
+	return button;
+}
+
+static void
+device_removed (const char *bdaddr)
+{
+	g_message ("Device '%s' got removed", bdaddr);
+}
+
+static GbtPluginInfo plugin_info = {
+	"geoclue",
+	has_config_widget,
+	get_config_widgets,
+	device_removed
+};
+
+GBT_INIT_PLUGIN(plugin_info)
+