From: Marcel Holtmann <marcel@holtmann.org>
Date: Sat, 16 May 2009 14:34:42 +0000 (-0700)
Subject: Add special StateChanged signal
X-Git-Tag: maemo-0.19~78
X-Git-Url: https://vcs.maemo.org/git/?a=commitdiff_plain;ds=sidebyside;h=7260b267094d37ef067ed21a0252df361096148a;p=connman

Add special StateChanged signal
---

diff --git a/doc/manager-api.txt b/doc/manager-api.txt
index 13ca366..7f1924e 100644
--- a/doc/manager-api.txt
+++ b/doc/manager-api.txt
@@ -62,6 +62,15 @@ Signals		PropertyChanged(string name, variant value)
 			This signal indicates a changed value of the given
 			property.
 
+		StateChanged(string state)
+
+			This signal is similar to the PropertyChanged signal
+			for the State property.
+
+			It exists for application state only care about the
+			current state and so can avoid to be woken up when
+			other details changes.
+
 Properties	string State [readonly]
 
 			The global connection state of a system. Possible
diff --git a/src/element.c b/src/element.c
index 712dec6..e4fd6f3 100644
--- a/src/element.c
+++ b/src/element.c
@@ -1065,6 +1065,16 @@ static void emit_state_change(DBusConnection *conn, const char *state)
 	append_state(&entry, state);
 
 	g_dbus_send_message(conn, signal);
+
+	signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
+				CONNMAN_MANAGER_INTERFACE, "StateChanged");
+	if (signal == NULL)
+		return;
+
+	dbus_message_iter_init_append(signal, &entry);
+	dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &state);
+
+	g_dbus_send_message(conn, signal);
 }
 
 static void probe_element(struct connman_element *element)
diff --git a/src/manager.c b/src/manager.c
index f5c50f6..14ea6ca 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -388,6 +388,7 @@ static GDBusMethodTable manager_methods[] = {
 
 static GDBusSignalTable manager_signals[] = {
 	{ "PropertyChanged", "sv" },
+	{ "StateChanged",    "s"  },
 	{ },
 };