[RFC v4 06/10] bluetooth: Add +BSIR support

[=?unknown-8bit?q?Fr=C3=A9d=C3=A9ric?= Danis <frederic.danis@linux.intel.com>]

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---
 plugins/bluetooth.c |   49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 49 insertions(+), 0 deletions(-)

diff --git a/plugins/bluetooth.c b/plugins/bluetooth.c
index b6328bc..b90852d 100644
--- a/plugins/bluetooth.c
+++ b/plugins/bluetooth.c
@@ -78,6 +78,7 @@ struct hfp_data {
 	struct ofono_emulator *em;
 	char *path;
 	guint16 r_features;
+	guint watch;
 };
 
 void bluetooth_create_path(const char *dev_addr, const char *adapter_addr,
@@ -267,6 +268,46 @@ fail:
 	};
 }
 
+static gboolean audio_property_changed(DBusConnection *connection,
+					DBusMessage *message, void *user_data)
+{
+	struct hfp_data *hfp = user_data;
+	const char *property;
+	char buf[10];
+	DBusMessageIter iter;
+
+	dbus_message_iter_init(message, &iter);
+
+	if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+		return FALSE;
+
+	dbus_message_iter_get_basic(&iter, &property);
+
+	if (g_str_equal(property, "InbandRingtone") == TRUE) {
+		DBusMessageIter variant;
+		gboolean value;
+
+		if (!dbus_message_iter_next(&iter))
+			return TRUE;
+
+		if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+			return TRUE;
+
+		dbus_message_iter_recurse(&iter, &variant);
+
+		if (dbus_message_iter_get_arg_type(&variant) !=
+							DBUS_TYPE_BOOLEAN)
+			return TRUE;
+
+		dbus_message_iter_get_basic(&variant, &value);
+
+		sprintf(buf, "+BSIR: %d", value);
+		ofono_emulator_send_unsolicited(hfp->em, buf);
+	}
+
+	return TRUE;
+}
+
 void bluetooth_free_audio_management(void *data)
 {
 	struct hfp_data *hfp = data;
@@ -275,6 +316,8 @@ void bluetooth_free_audio_management(void *data)
 
 	ofono_emulator_remove_handler(hfp->em, "+NREC");
 
+	g_dbus_remove_watch(connection, hfp->watch);
+
 	g_free(hfp->path);
 	g_free(hfp);
 }
@@ -293,6 +336,12 @@ void *bluetooth_set_audio_management(void *em, const char *path,
 
 	ofono_emulator_add_handler(em, "+NREC", emulator_nrec_cb, hfp, NULL);
 
+	hfp->watch = g_dbus_add_signal_watch(connection, NULL, path,
+						BLUEZ_TRANSPORT_INTERFACE,
+						"PropertyChanged",
+						audio_property_changed,
+						hfp, NULL);
+
 	return hfp;
 }
 
-- 
1.7.1