[PATCH] hfp: create modem for new devices paired on runtime

[Gustavo F. Padovan]

It listens the Paired property to create a modem to the recently paired
devices. It also renames added_watch to adapter_watch, a more proper
name.
---
 plugins/hfp.c |   47 ++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 42 insertions(+), 5 deletions(-)

diff --git a/plugins/hfp.c b/plugins/hfp.c
index 0e2e359..6f2000a 100644
--- a/plugins/hfp.c
+++ b/plugins/hfp.c
@@ -594,6 +594,34 @@ static gboolean adapter_added(DBusConnection *connection, 
DBusMessage *message,
        return TRUE;
 }
 
+static gboolean new_device_added(DBusConnection *connection, DBusMessage 
*message,
+                               void *user_data)
+{
+       const char *device, *property;
+       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, "UUIDs") == FALSE)
+               return TRUE;
+
+       if (!dbus_message_iter_next(&iter))
+               return FALSE;
+
+       if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+               return FALSE;
+
+       device = dbus_message_get_path(message);
+
+       parse_uuids(&iter, device);
+
+       return TRUE;
+}
+
 static void list_adapters_cb(DBusPendingCall *call, gpointer user_data)
 {
        DBusError err;
@@ -801,7 +829,8 @@ static struct ofono_modem_driver hfp_driver = {
        .post_sim       = hfp_post_sim,
 };
 
-static guint added_watch;
+static guint adapter_watch;
+static guint device_watch;
 
 static int hfp_init(void)
 {
@@ -812,12 +841,18 @@ static int hfp_init(void)
 
        connection = ofono_dbus_get_connection();
 
-       added_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
+       adapter_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
                                                BLUEZ_MANAGER_INTERFACE,
                                                "AdapterAdded",
                                                adapter_added, NULL, NULL);
 
-       if (added_watch == 0) {
+       device_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
+                                               BLUEZ_DEVICE_INTERFACE,
+                                               "PropertyChanged",
+                                               new_device_added, NULL, NULL);
+
+
+       if (adapter_watch == 0 || device_watch == 0) {
                err = -EIO;
                goto remove;
        }
@@ -831,7 +866,8 @@ static int hfp_init(void)
        return 0;
 
 remove:
-       g_dbus_remove_watch(connection, added_watch);
+       g_dbus_remove_watch(connection, adapter_watch);
+       g_dbus_remove_watch(connection, device_watch);
 
        dbus_connection_unref(connection);
 
@@ -840,7 +876,8 @@ remove:
 
 static void hfp_exit(void)
 {
-       g_dbus_remove_watch(connection, added_watch);
+       g_dbus_remove_watch(connection, adapter_watch);
+       g_dbus_remove_watch(connection, device_watch);
 
        ofono_modem_driver_unregister(&hfp_driver);
 }
-- 
1.6.4.4

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