xdg-shell: use role object destroy handler

include/types/wlr_xdg_shell.h

@@ -17,6 +17,7 @@ void destroy_xdg_surface(struct wlr_xdg_surface *surface);
 void xdg_surface_role_commit(struct wlr_surface *wlr_surface);
 void xdg_surface_role_precommit(struct wlr_surface *wlr_surface,
 	const struct wlr_surface_state *state);
+void xdg_surface_role_destroy(struct wlr_surface *wlr_surface);
 
 void create_xdg_positioner(struct wlr_xdg_client *client, uint32_t id);
 

include/wlr/types/wlr_xdg_shell.h

@@ -258,7 +258,6 @@ struct wlr_xdg_surface {
 
 	struct wlr_xdg_surface_state current, pending;
 
-	struct wl_listener surface_destroy;
 	struct wl_listener surface_commit;
 
 	struct {

types/xdg_shell/wlr_xdg_popup.c

@@ -191,7 +191,7 @@ static void destroy_xdg_popup_grab(struct wlr_xdg_popup_grab *xdg_grab) {
 
 	struct wlr_xdg_popup *popup, *tmp;
 	wl_list_for_each_safe(popup, tmp, &xdg_grab->popups, grab_link) {
-		destroy_xdg_surface(popup->base);
+		wlr_surface_destroy_role_object(popup->base->surface);
 	}
 
 	wl_list_remove(&xdg_grab->link);
@@ -361,6 +361,7 @@ const struct wlr_surface_role xdg_popup_surface_role = {
 	.name = "xdg_popup",
 	.commit = xdg_surface_role_commit,
 	.precommit = xdg_surface_role_precommit,
+	.destroy = xdg_surface_role_destroy,
 };
 
 void create_xdg_popup(struct wlr_xdg_surface *surface,

types/xdg_shell/wlr_xdg_shell.c

@@ -67,7 +67,7 @@ static void xdg_client_handle_resource_destroy(struct wl_resource *resource) {
 
 	struct wlr_xdg_surface *surface, *tmp = NULL;
 	wl_list_for_each_safe(surface, tmp, &client->surfaces, link) {
-		destroy_xdg_surface(surface);
+		wlr_surface_destroy_role_object(surface->surface);
 	}
 
 	if (client->ping_timer != NULL) {

types/xdg_shell/wlr_xdg_surface.c

@@ -256,7 +256,7 @@ static void xdg_surface_handle_resource_destroy(struct wl_resource *resource) {
 	struct wlr_xdg_surface *surface =
 		wlr_xdg_surface_from_resource(resource);
 	if (surface != NULL) {
-		destroy_xdg_surface(surface);
+		wlr_surface_destroy_role_object(surface->surface);
 	}
 }
 
@@ -331,11 +331,20 @@ void xdg_surface_role_precommit(struct wlr_surface *wlr_surface,
 	}
 }
 
-static void xdg_surface_handle_surface_destroy(struct wl_listener *listener,
+void xdg_surface_role_destroy(struct wlr_surface *wlr_surface) {
-		void *data) {
+	struct wlr_xdg_surface *surface =
-	struct wlr_xdg_surface *xdg_surface =
+		wlr_xdg_surface_from_wlr_surface(wlr_surface);
-		wl_container_of(listener, xdg_surface, surface_destroy);
+	if (surface == NULL) {
-	destroy_xdg_surface(xdg_surface);
+		return;
+	}
+
+	reset_xdg_surface(surface);
+
+	wl_list_remove(&surface->link);
+	wl_list_remove(&surface->surface_commit.link);
+
+	wl_resource_set_user_data(surface->resource, NULL);
+	free(surface);
 }
 
 struct wlr_xdg_surface *create_xdg_surface(
@@ -380,10 +389,6 @@ struct wlr_xdg_surface *create_xdg_surface(
 	wl_signal_init(&surface->events.configure);
 	wl_signal_init(&surface->events.ack_configure);
 
-	wl_signal_add(&surface->surface->events.destroy,
-		&surface->surface_destroy);
-	surface->surface_destroy.notify = xdg_surface_handle_surface_destroy;
-
 	wl_signal_add(&surface->surface->events.commit,
 		&surface->surface_commit);
 	surface->surface_commit.notify = xdg_surface_handle_surface_commit;
@@ -425,18 +430,6 @@ void reset_xdg_surface(struct wlr_xdg_surface *surface) {
 	surface->role = WLR_XDG_SURFACE_ROLE_NONE;
 }
 
-void destroy_xdg_surface(struct wlr_xdg_surface *surface) {
-	reset_xdg_surface(surface);
-
-	wl_resource_set_user_data(surface->resource, NULL);
-	surface->surface->role_data = NULL;
-
-	wl_list_remove(&surface->link);
-	wl_list_remove(&surface->surface_destroy.link);
-	wl_list_remove(&surface->surface_commit.link);
-	free(surface);
-}
-
 struct wlr_xdg_surface *wlr_xdg_surface_from_resource(
 		struct wl_resource *resource) {
 	assert(wl_resource_instance_of(resource, &xdg_surface_interface,

types/xdg_shell/wlr_xdg_toplevel.c

@@ -453,6 +453,7 @@ const struct wlr_surface_role xdg_toplevel_surface_role = {
 	.name = "xdg_toplevel",
 	.commit = xdg_surface_role_commit,
 	.precommit = xdg_surface_role_precommit,
+	.destroy = xdg_surface_role_destroy,
 };
 
 void create_xdg_toplevel(struct wlr_xdg_surface *surface,