tray: tidy code

This includes some refactoring and fixing a small memory leak.

include/swaybar/tray/icon.h

@@ -3,16 +3,16 @@
 
 #include "list.h"
 
-enum subdir_type {
-	THRESHOLD,
-	SCALABLE,
-	FIXED
-};
-
 struct icon_theme_subdir {
 	char *name;
 	int size;
-	enum subdir_type type;
+
+	enum {
+		THRESHOLD,
+		SCALABLE,
+		FIXED
+	} type;
+
 	int max_size;
 	int min_size;
 	int threshold;
@@ -39,6 +39,5 @@ void finish_themes(list_t *themes, list_t *basedirs);
  */
 char *find_icon(list_t *themes, list_t *basedirs, char *name, int size,
 		char *theme, int *min_size, int *max_size);
-char *find_icon_in_dir(char *name, char *dir, int *min_size, int *max_size);
 
 #endif

swaybar/tray/host.c

@@ -65,9 +65,9 @@ static int handle_sni_unregistered(sd_bus_message *msg, void *data,
 static int get_registered_snis_callback(sd_bus_message *msg, void *data,
 		sd_bus_error *error) {
 	if (sd_bus_message_is_method_error(msg, NULL)) {
-		sd_bus_error err = *sd_bus_message_get_error(msg);
-		sway_log(SWAY_ERROR, "Failed to get registered SNIs: %s", err.message);
-		return -sd_bus_error_get_errno(&err);
+		const sd_bus_error *err = sd_bus_message_get_error(msg);
+		sway_log(SWAY_ERROR, "Failed to get registered SNIs: %s", err->message);
+		return -sd_bus_error_get_errno(err);
 	}
 
 	int ret = sd_bus_message_enter_container(msg, 'v', NULL);
@@ -87,9 +87,11 @@ static int get_registered_snis_callback(sd_bus_message *msg, void *data,
 		struct swaybar_tray *tray = data;
 		for (char **id = ids; *id; ++id) {
 			add_sni(tray, *id);
+			free(*id);
 		}
 	}
 
+	free(ids);
 	return ret;
 }
 

swaybar/tray/icon.c

@@ -412,7 +412,7 @@ static char *find_icon_in_subdir(char *name, char *basedir, char *theme,
 #endif
 		"png",
 #if HAVE_GDK_PIXBUF
-		"xpm"
+		"xpm" // deprecated
 #endif
 	};
 
@@ -508,21 +508,13 @@ static char *find_icon_with_theme(list_t *basedirs, list_t *themes, char *name,
 	return icon;
 }
 
-char *find_icon_in_dir(char *name, char *dir, int *min_size, int *max_size) {
-	char *icon = find_icon_in_subdir(name, dir, "", "");
-	if (icon) {
-		*min_size = 1;
-		*max_size = 512;
-	}
-	return icon;
-
-}
-
 static char *find_fallback_icon(list_t *basedirs, char *name, int *min_size,
 		int *max_size) {
 	for (int i = 0; i < basedirs->length; ++i) {
-		char *icon = find_icon_in_dir(name, basedirs->items[i], min_size, max_size);
+		char *icon = find_icon_in_subdir(name, basedirs->items[i], "", "");
 		if (icon) {
+			*min_size = 1;
+			*max_size = 512;
 			return icon;
 		}
 	}
@@ -537,7 +529,7 @@ char *find_icon(list_t *themes, list_t *basedirs, char *name, int size,
 		icon = find_icon_with_theme(basedirs, themes, name, size, theme,
 				min_size, max_size);
 	}
-	if (!icon) {
+	if (!icon && !(theme && strcmp(theme, "Hicolor") == 0)) {
 		icon = find_icon_with_theme(basedirs, themes, name, size, "Hicolor",
 				min_size, max_size);
 	}

swaybar/tray/item.c

@@ -416,10 +416,6 @@ static void reload_sni(struct swaybar_sni *sni, char *icon_theme,
 				icon_name, target_size, icon_theme,
 				&sni->min_size, &sni->max_size);
 		list_free(icon_search_paths);
-		if (!icon_path && sni->icon_theme_path) {
-			icon_path = find_icon_in_dir(icon_name, sni->icon_theme_path,
-					&sni->min_size, &sni->max_size);
-		}
 		if (icon_path) {
 			cairo_surface_destroy(sni->icon);
 			sni->icon = load_background_image(icon_path);