alert: Add support for unread alert notification

When UnreadAlert D-Bus method is called for a registered category
from Alert Notification Profile, The unread alert characteristic value
is notified.

diff --git a/profiles/alert/server.c b/profiles/alert/server.c
index af23fa6..7e4c379 100644 (file)
--- a/profiles/alert/server.c
+++ b/profiles/alert/server.c
@@ -96,6 +96,7 @@ enum notify_type {
        NOTIFY_RINGER_SETTING = 0,
        NOTIFY_ALERT_STATUS,
        NOTIFY_NEW_ALERT,
+       NOTIFY_UNREAD_ALERT,
        NOTIFY_SIZE,
 };
 
@@ -110,7 +111,6 @@ struct alert_adapter {
        struct btd_adapter *adapter;
        uint16_t supp_new_alert_cat_handle;
        uint16_t supp_unread_alert_cat_handle;
-       uint16_t unread_alert_handle;
        uint16_t hnd_ccc[NOTIFY_SIZE];
        uint16_t hnd_value[NOTIFY_SIZE];
 };
@@ -352,6 +352,7 @@ static void attio_connected_cb(GAttrib *attrib, gpointer user_data)
                                pdu, sizeof(pdu));
                break;
        case NOTIFY_NEW_ALERT:
+       case NOTIFY_UNREAD_ALERT:
                len = enc_notification(al_adapter->hnd_value[type],
                                        nd->value, nd->len, pdu, sizeof(pdu));
                break;
@@ -644,8 +645,11 @@ static void update_unread_alert(gpointer data, gpointer user_data)
        struct btd_adapter *adapter = al_adapter->adapter;
        uint8_t *value = user_data;
 
-       attrib_db_update(adapter, al_adapter->unread_alert_handle, NULL, value,
-                                                               2, NULL);
+       attrib_db_update(adapter,
+                       al_adapter->hnd_value[NOTIFY_UNREAD_ALERT], NULL, value,
+                       2, NULL);
+
+       notify_devices(al_adapter, NOTIFY_UNREAD_ALERT, value, 2);
 }
 
 static DBusMessage *unread_alert(DBusConnection *conn, DBusMessage *msg,
@@ -889,8 +893,10 @@ static void register_alert_notif_service(struct alert_adapter *al_adapter)
                        /* Unread Alert Status */
                        GATT_OPT_CHR_UUID, UNREAD_ALERT_CHR_UUID,
                        GATT_OPT_CHR_PROPS, ATT_CHAR_PROPER_NOTIFY,
+                       GATT_OPT_CCC_GET_HANDLE,
+                       &al_adapter->hnd_ccc[NOTIFY_UNREAD_ALERT],
                        GATT_OPT_CHR_VALUE_GET_HANDLE,
-                       &al_adapter->unread_alert_handle,
+                       &al_adapter->hnd_value[NOTIFY_UNREAD_ALERT],
                        /* Alert Notification Control Point */
                        GATT_OPT_CHR_UUID, ALERT_NOTIF_CP_CHR_UUID,
                        GATT_OPT_CHR_PROPS, ATT_CHAR_PROPER_WRITE,