libweston: Notify timeline of object modification

We notify the timeline of the fact that the object suffered
modifications through the 'set_label' function. Remove the old
refresh variable.

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>

include/libweston/libweston.h

@@ -2049,6 +2049,10 @@ weston_log_ctx_compositor_destroy(struct weston_compositor *compositor);
 int
 weston_compositor_enable_content_protection(struct weston_compositor *compositor);
 
+void
+weston_timeline_refresh_subscription_objects(struct weston_compositor *wc,
+					     void *object);
+
 #ifdef  __cplusplus
 }
 #endif

include/libweston/timeline-object.h

@@ -42,14 +42,6 @@ struct weston_timeline_object {
 
 	/* Object id in the timeline JSON output. 0 is invalid. */
 	unsigned id;
-
-	/*
-	 * If non-zero, forces a re-emission of object description.
-	 * Should be set to non-zero, when changing long-lived
-	 * object state that is not emitted on normal timeline
-	 * events.
-	 */
-	unsigned force_refresh;
 };
 
 #endif /* WESTON_TIMELINE_OBJECT_H */

libweston/compositor.c

@@ -4088,7 +4088,8 @@ weston_surface_set_label_func(struct weston_surface *surface,
 					  char *, size_t))
 {
 	surface->get_label = desc;
-	surface->timeline.force_refresh = 1;
+	weston_timeline_refresh_subscription_objects(surface->compositor,
+						     surface);
 }
 
 /** Get the size of surface contents

libweston/timeline.c

@@ -308,6 +308,34 @@ emit_gpu_timestamp(struct timeline_emit_context *ctx, void *obj)
 	return 1;
 }
 
+static struct weston_timeline_subscription_object *
+weston_timeline_get_subscription_object(struct weston_log_subscription *sub,
+		void *object)
+{
+	struct weston_timeline_subscription *tl_sub;
+
+	tl_sub = weston_log_subscription_get_data(sub);
+	if (!tl_sub)
+		return NULL;
+
+	return weston_timeline_subscription_search(tl_sub, object);
+}
+
+WL_EXPORT void
+weston_timeline_refresh_subscription_objects(struct weston_compositor *wc,
+					     void *object)
+{
+	struct weston_log_subscription *sub = NULL;
+
+	while ((sub = weston_log_subscription_iterate(wc->timeline, sub))) {
+		struct weston_timeline_subscription_object *sub_obj;
+
+		sub_obj = weston_timeline_get_subscription_object(sub, object);
+		if (sub_obj)
+			sub_obj->force_refresh = true;
+	}
+}
+
 typedef int (*type_func)(struct timeline_emit_context *ctx, void *obj);
 
 static const type_func type_dispatch[] = {