Fix `get_icon`

Property reply functions are now notified if there was an error with the
property instead of silent failure. Also issues in `get_item` were
resolved.

1 files changed, 7 insertions, 3 deletions

diff --git a/swaybar/tray/dbus.c b/swaybar/tray/dbus.c
index 4439fb83..08abf65c 100644
--- a/swaybar/tray/dbus.c
+++ b/swaybar/tray/dbus.c
@@ -138,7 +138,7 @@ static void dispatch_status(DBusConnection *connection, DBusDispatchStatus new_s
 
 struct async_prop_data {
         char const *sig;
-        void(*callback)(DBusMessageIter *, void *);
+        void(*callback)(DBusMessageIter *, void *, enum property_status);
         void *usr_data;
 };
 
@@ -160,6 +160,7 @@ static void get_prop_callback(DBusPendingCall *pending, void *_data) {
                                 DBUS_TYPE_INVALID);
 
                 sway_log(L_INFO, "Failure to get property: %s", msg);
+                data->callback(NULL, data->usr_data, PROP_ERROR);
                 goto bail;
         }
 
@@ -169,16 +170,18 @@ static void get_prop_callback(DBusPendingCall *pending, void *_data) {
         dbus_message_iter_init(reply, &iter);
         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
                 sway_log(L_ERROR, "Property relpy type incorrect");
+                data->callback(NULL, data->usr_data, PROP_BAD_DATA);
                 goto bail;
         }
         dbus_message_iter_recurse(&iter, &variant);
 
         if (!dbus_message_iter_check_signature(&variant, data->sig)) {
                 sway_log(L_INFO, "Property returned has incorrect signatue.");
+                data->callback(&variant, data->usr_data, PROP_WRONG_SIG);
                 goto bail;
         }
 
-        data->callback(&variant, data->usr_data);
+        data->callback(&variant, data->usr_data, PROP_EXISTS);
 
 bail:
         if (reply) {
@@ -199,7 +202,8 @@ bool dbus_message_iter_check_signature(DBusMessageIter *iter, const char *sig) {
 bool dbus_get_prop_async(const char *destination,
                 const char *path, const char *iface,
                 const char *prop, const char *expected_signature,
-                void(*callback)(DBusMessageIter *, void *), void *usr_data) {
+                void(*callback)(DBusMessageIter *, void *, enum property_status),
+                void *usr_data) {
         struct async_prop_data *data = malloc(sizeof(struct async_prop_data));
         if (!data) {
                 return false;