[evolution] Add ConnMan support (words fail me ...)

[Michael Meeks <michael src gnome org>]

commit 342fa27bb78f177150e1deb7842f749637c91948
Author: Michael Meeks <michael meeks novell com>
Date:   Wed Mar 24 10:24:56 2010 +0000

    Add ConnMan support (words fail me ...)

 configure.ac                        |   14 +++-
 modules/Makefile.am                 |    7 +-
 modules/connman/Makefile.am         |   22 ++++
 modules/connman/evolution-connman.c |  204 +++++++++++++++++++++++++++++++++++
 4 files changed, 245 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 86ac1b4..f634caf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1140,7 +1140,6 @@ if test "$enable_nm" = yes; then
 	AC_SUBST(HAVE_NM)
 	AC_SUBST(NM_CFLAGS)
 fi
-
 AM_CONDITIONAL([ENABLE_NETWORK_MANAGER], [test "$enable_nm" = yes])
 
 dnl ******************************
@@ -1165,6 +1164,18 @@ fi
 AM_CONDITIONAL([ENABLE_WINDOWS_SENS], [test "$enable_sens" = yes])
 
 dnl ******************************
+dnl Enable ConnMan support ?
+dnl ******************************
+AC_ARG_ENABLE([connman],
+	[AS_HELP_STRING([--enable-connman],
+	[enable ConnMan support (default=no)])],
+	[enable_connman=$enableval],[enable_connman=no])
+if test "x$enable_nm$enable_connman" = "xyesyes"; then
+	AC_MSG_ERROR([It is not possible to enable both ConnMan and NetworkManager])
+fi
+AM_CONDITIONAL([ENABLE_CONNMAN], [test "$enable_connman" = yes])
+
+dnl ******************************
 dnl Camel Flags
 dnl ******************************
 EVO_SET_COMPILE_FLAGS(CAMEL, camel-provider-1.2, $MANUAL_NSS_CFLAGS, $MOXILLA_NSS_CFLAGS)
@@ -1726,6 +1737,7 @@ modules/addressbook/Makefile
 modules/calendar/Makefile
 modules/mail/Makefile
 modules/network-manager/Makefile
+modules/connman/Makefile
 modules/plugin-lib/Makefile
 modules/plugin-mono/Makefile
 modules/plugin-python/Makefile
diff --git a/modules/Makefile.am b/modules/Makefile.am
index 653d1b6..718cba2 100644
--- a/modules/Makefile.am
+++ b/modules/Makefile.am
@@ -14,6 +14,10 @@ if ENABLE_WINDOWS_SENS
 WINDOWS_SENS_DIR = windows-sens
 endif
 
+if ENABLE_CONNMAN
+CONNMAN_DIR = connman
+endif
+
 SUBDIRS = \
 	addressbook \
 	calendar \
@@ -22,6 +26,7 @@ SUBDIRS = \
 	$(MONO_DIR) \
 	$(PYTHON_DIR) \
 	$(NETWORK_MANAGER_DIR) \
-	$(WINDOWS_SENS_DIR)
+	$(WINDOWS_SENS_DIR) \
+	$(CONNMAN_DIR)
 
 -include $(top_srcdir)/git.mk
diff --git a/modules/connman/Makefile.am b/modules/connman/Makefile.am
new file mode 100644
index 0000000..6382226
--- /dev/null
+++ b/modules/connman/Makefile.am
@@ -0,0 +1,22 @@
+module_LTLIBRARIES = libevolution-module-connman.la
+
+libevolution_module_connman_la_CPPFLAGS =		\
+	$(AM_CPPFLAGS)					\
+	-I$(top_srcdir)					\
+	-DG_LOG_DOMAIN=\"evolution-connman\"		\
+	$(GNOME_PLATFORM_CFLAGS)			\
+	$(DBUS_GLIB_CFLAGS)
+
+libevolution_module_connman_la_SOURCES =		\
+	evolution-connman.c
+
+libevolution_module_connman_la_LIBADD =			\
+	$(top_builddir)/e-util/libeutil.la		\
+	$(top_builddir)/shell/libeshell.la		\
+	$(GNOME_PLATFORM_LIBS)				\
+	$(DBUS_GLIB_LIBS)
+
+libevolution_module_connman_la_LDFLAGS =		\
+	-module -avoid-version $(NO_UNDEFINED)
+
+-include $(top_srcdir)/git.mk
diff --git a/modules/connman/evolution-connman.c b/modules/connman/evolution-connman.c
new file mode 100644
index 0000000..c55d09c
--- /dev/null
+++ b/modules/connman/evolution-connman.c
@@ -0,0 +1,204 @@
+/*
+ * evolution-connman.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 <shell/e-shell.h>
+#include <e-util/e-extension.h>
+
+#define CM_DBUS_SERVICE   "org.moblin.connman"
+#define CM_DBUS_INTERFACE "org.moblin.connman.Manager"
+#define CM_DBUS_PATH      "/"
+
+/* Standard GObject macros */
+#define E_TYPE_CONNMAN \
+	(e_connman_get_type ())
+#define E_CONNMAN(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_CONNMAN, EConnMan))
+
+typedef struct {
+	EExtension parent;
+	DBusConnection *connection;
+} EConnMan;
+typedef EExtensionClass EConnManClass;
+
+/* Module Entry Points */
+void e_module_load (GTypeModule *type_module);
+void e_module_unload (GTypeModule *type_module);
+
+/* Forward Declarations */
+GType e_connman_get_type (void);
+static gboolean network_manager_connect (EConnMan *extension);
+
+G_DEFINE_DYNAMIC_TYPE (EConnMan, e_connman, E_TYPE_EXTENSION)
+
+static void
+extension_set_state (EConnMan *extension, const char *state)
+{
+	EExtensible *extensible;
+
+	extensible = e_extension_get_extensible (E_EXTENSION (extension));
+	g_return_if_fail (E_IS_SHELL (extensible));
+
+	e_shell_set_network_available (E_SHELL (extensible), !g_strcmp0 (state, "online"));
+}
+
+static DBusHandlerResult
+connman_monitor (DBusConnection *connection G_GNUC_UNUSED,
+		 DBusMessage *message,
+		 gpointer user_data)
+{
+	char *value;
+	EConnMan *extension = user_data;
+	DBusError error = DBUS_ERROR_INIT;
+	DBusHandlerResult ret = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+	if (!dbus_message_get_args (message, &error,
+				    DBUS_TYPE_STRING, &value,
+				    DBUS_TYPE_INVALID))
+		goto err_exit;
+
+	extension_set_state (extension, value);
+	ret = DBUS_HANDLER_RESULT_HANDLED;
+
+    err_exit:
+	return ret;
+}
+
+static void
+connman_check_initial_state (EConnMan *extension)
+{
+	DBusMessage *message = NULL;
+	DBusMessage *response = NULL;
+	DBusError error = DBUS_ERROR_INIT;
+
+	message = dbus_message_new_method_call (
+		CM_DBUS_SERVICE, CM_DBUS_PATH, CM_DBUS_INTERFACE, "GetState");
+
+	/* 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) {
+		const char *value;
+		if (dbus_message_get_args (message, &error,
+					   DBUS_TYPE_STRING, &value,
+					   DBUS_TYPE_INVALID))
+			extension_set_state (extension, value);
+	} else {
+		g_warning ("%s", error.message);
+		dbus_error_free (&error);
+		return;
+	}
+
+	dbus_message_unref (message);
+	dbus_message_unref (response);
+}
+
+static gboolean
+network_manager_connect (EConnMan *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, connman_monitor, extension, NULL))
+		goto fail;
+
+	dbus_bus_add_match (
+		extension->connection,
+		"type='signal',"
+		"interface='" CM_DBUS_INTERFACE "',"
+		"sender='" CM_DBUS_SERVICE "',"
+		"member='StateChanged',"
+		"path='" CM_DBUS_PATH "'",
+		&error);
+	if (dbus_error_is_set (&error)) {
+		g_warning ("%s", error.message);
+		dbus_error_free (&error);
+		goto fail;
+	}
+
+	connman_check_initial_state (extension);
+
+	return FALSE;
+
+fail:
+	dbus_connection_unref (extension->connection);
+	extension->connection = NULL;
+
+	return TRUE;
+}
+
+static void
+network_manager_constructed (GObject *object)
+{
+	network_manager_connect (E_CONNMAN (object));
+}
+
+static void
+e_connman_class_init (EConnManClass *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_connman_class_finalize (EConnManClass *class)
+{
+}
+
+static void
+e_connman_init (EConnMan *extension)
+{
+}
+
+G_MODULE_EXPORT void
+e_module_load (GTypeModule *type_module)
+{
+	e_connman_register_type (type_module);
+}
+
+G_MODULE_EXPORT void
+e_module_unload (GTypeModule *type_module)
+{
+}