2 files changed, 267 insertions, 0 deletions
diff --git a/modules/network-manager/Makefile.am b/modules/network-manager/Makefile.am
new file mode 100644
index 0000000000..24cd80a246
--- /dev/null
+++ b/modules/network-manager/Makefile.am
@@ -0,0 +1,22 @@
+module_LTLIBRARIES = libevolution-module-network-manager.la
+
+libevolution_module_network_manager_la_CPPFLAGS =		\
+	$(AM_CPPFLAGS)						\
+	-I$(top_srcdir)						\
+	-DG_LOG_DOMAIN=\"evolution-network-manager\"		\
+	$(GNOME_PLATFORM_CFLAGS)				\
+	$(DBUS_GLIB_CFLAGS)					\
+	$(NM_CFLAGS)
+
+libevolution_module_network_manager_la_SOURCES =		\
+	evolution-network-manager.c
+
+libevolution_module_network_manager_la_LIBADD =			\
+	$(top_builddir)/shell/libeshell.la			\
+	$(GNOME_PLATFORM_LIBS)					\
+	$(DBUS_GLIB_LIBS)
+
+libevolution_module_network_manager_la_LDFLAGS =		\
+	-module -avoid-version $(NO_UNDEFINED)
+
+-include $(top_srcdir)/git.mk
diff --git a/modules/network-manager/evolution-network-manager.c b/modules/network-manager/evolution-network-manager.c
new file mode 100644
index 0000000000..7dc110f411
--- /dev/null
+++ b/modules/network-manager/evolution-network-manager.c
@@ -0,0 +1,245 @@
+/*
+ * evolution-network-manager.c
+ *
+ * This program 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 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#include <dbus/dbus.h>
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+#include <NetworkManager/NetworkManager.h>
+
+#include <shell/e-shell.h>
+#include <e-util/e-extension.h>
+
+/* Standard GObject macros */
+#define E_TYPE_NETWORK_MANAGER \
+	(e_network_manager_get_type ())
+#define E_NETWORK_MANAGER(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_NETWORK_MANAGER, ENetworkManager))
+
+typedef struct _ENetworkManager ENetworkManager;
+typedef struct _ENetworkManagerClass ENetworkManagerClass;
+
+struct _ENetworkManager {
+	EExtension parent;
+	DBusConnection *connection;
+};
+
+struct _ENetworkManagerClass {
+	EExtensionClass parent_class;
+};
+
+/* Module Entry Points */
+void e_module_load (GTypeModule *type_module);
+void e_module_unload (GTypeModule *type_module);
+
+/* Forward Declarations */
+GType e_network_manager_get_type (void);
+static gboolean network_manager_connect (ENetworkManager *extension);
+
+G_DEFINE_DYNAMIC_TYPE (ENetworkManager, e_network_manager, E_TYPE_EXTENSION)
+
+static EShell *
+network_manager_get_shell (ENetworkManager *extension)
+{
+	EExtensible *extensible;
+
+	extensible = e_extension_get_extensible (E_EXTENSION (extension));
+
+	return E_SHELL (extensible);
+}
+
+static DBusHandlerResult
+network_manager_monitor (DBusConnection *connection G_GNUC_UNUSED,
+                         DBusMessage *message,
+                         gpointer user_data)
+{
+	ENetworkManager *extension = user_data;
+	EShell *shell;
+	const gchar *path;
+	guint32 state;
+	DBusError error = DBUS_ERROR_INIT;
+
+	shell = network_manager_get_shell (extension);
+
+	path = dbus_message_get_path (message);
+
+	if (dbus_message_is_signal (message, DBUS_INTERFACE_LOCAL, "Disconnected") &&
+		g_strcmp0 (path, DBUS_PATH_LOCAL) == 0) {
+		dbus_connection_unref (extension->connection);
+		extension->connection = NULL;
+
+		g_timeout_add_seconds (
+			3, (GSourceFunc) network_manager_connect, extension);
+
+		return DBUS_HANDLER_RESULT_HANDLED;
+	}
+
+	if (!dbus_message_is_signal (message, NM_DBUS_INTERFACE, "StateChanged"))
+		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+	dbus_message_get_args (
+		message, &error,
+		DBUS_TYPE_UINT32, &state,
+		DBUS_TYPE_INVALID);
+
+	if (dbus_error_is_set (&error)) {
+		g_warning ("%s", error.message);
+		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+	}
+
+	switch (state) {
+		case NM_STATE_CONNECTED:
+			e_shell_set_network_available (shell, TRUE);
+			break;
+		case NM_STATE_ASLEEP:
+		case NM_STATE_DISCONNECTED:
+			e_shell_set_network_available (shell, FALSE);
+			break;
+		default:
+			break;
+	}
+
+	return DBUS_HANDLER_RESULT_HANDLED;
+}
+
+static void
+network_manager_check_initial_state (ENetworkManager *extension)
+{
+	EShell *shell;
+	DBusMessage *message = NULL;
+	DBusMessage *response = NULL;
+	guint32 state = -1;
+	DBusError error = DBUS_ERROR_INIT;
+
+	shell = network_manager_get_shell (extension);
+
+	message = dbus_message_new_method_call (
+		NM_DBUS_SERVICE, NM_DBUS_PATH, NM_DBUS_INTERFACE, "state");
+
+	/* XXX Assuming this should be safe to call synchronously. */
+	response = dbus_connection_send_with_reply_and_block (
+		extension->connection, message, 100, &error);
+
+	if (response != NULL) {
+		dbus_message_get_args (
+			response, &error, DBUS_TYPE_UINT32,
+			&state, DBUS_TYPE_INVALID);
+	} else {
+		g_warning ("%s", error.message);
+		dbus_error_free (&error);
+		return;
+	}
+
+	/* Update the state only in the absence of a network connection,
+	 * otherwise let the old state prevail. */
+	if (state == NM_STATE_ASLEEP || state == NM_STATE_DISCONNECTED)
+		e_shell_set_network_available (shell, FALSE);
+
+	dbus_message_unref (message);
+	dbus_message_unref (response);
+}
+
+static gboolean
+network_manager_connect (ENetworkManager *extension)
+{
+	DBusError error = DBUS_ERROR_INIT;
+
+	/* This is a timeout callback, so the return value denotes
+	 * whether to reschedule, not whether we're successful. */
+
+	if (extension->connection != NULL)
+		return FALSE;
+
+	extension->connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
+	if (extension->connection == NULL) {
+		g_warning ("%s", error.message);
+		dbus_error_free (&error);
+		return TRUE;
+	}
+
+	dbus_connection_setup_with_g_main (extension->connection, NULL);
+	dbus_connection_set_exit_on_disconnect (extension->connection, FALSE);
+
+	if (!dbus_connection_add_filter (
+		extension->connection,
+		network_manager_monitor, extension, NULL))
+		goto fail;
+
+	network_manager_check_initial_state (extension);
+
+	dbus_bus_add_match (
+		extension->connection,
+		"type='signal',"
+		"interface='" NM_DBUS_INTERFACE "',"
+		"sender='" NM_DBUS_SERVICE "',"
+		"path='" NM_DBUS_PATH "'",
+		&error);
+	if (dbus_error_is_set (&error)) {
+		g_warning ("%s", error.message);
+		dbus_error_free (&error);
+		goto fail;
+	}
+
+	return FALSE;
+
+fail:
+	dbus_connection_unref (extension->connection);
+	extension->connection = NULL;
+
+	return TRUE;
+}
+
+static void
+network_manager_constructed (GObject *object)
+{
+	network_manager_connect (E_NETWORK_MANAGER (object));
+}
+
+static void
+e_network_manager_class_init (ENetworkManagerClass *class)
+{
+	GObjectClass *object_class;
+	EExtensionClass *extension_class;
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->constructed = network_manager_constructed;
+
+	extension_class = E_EXTENSION_CLASS (class);
+	extension_class->extensible_type = E_TYPE_SHELL;
+}
+
+static void
+e_network_manager_class_finalize (ENetworkManagerClass *class)
+{
+}
+
+static void
+e_network_manager_init (ENetworkManager *extension)
+{
+}
+
+G_MODULE_EXPORT void
+e_module_load (GTypeModule *type_module)
+{
+	e_network_manager_register_type (type_module);
+}
+
+G_MODULE_EXPORT void
+e_module_unload (GTypeModule *type_module)
+{
+}