+
+static void flash_done(gpointer data)
+{
+ ObFrame *self = data;
+
+ if (self->focused != self->flash_on)
+ frame_adjust_focus(self, self->focused);
+}
+
+static gboolean flash_timeout(gpointer data)
+{
+ ObFrame *self = data;
+ GTimeVal now;
+
+ g_get_current_time(&now);
+ if (now.tv_sec > self->flash_end.tv_sec ||
+ (now.tv_sec == self->flash_end.tv_sec &&
+ now.tv_usec >= self->flash_end.tv_usec))
+ self->flashing = FALSE;
+
+ if (!self->flashing)
+ return FALSE; /* we are done */
+
+ self->flash_on = !self->flash_on;
+ {
+ gboolean focused;
+
+ focused = self->focused; /* save the focused flag */
+ frame_adjust_focus(self, self->flash_on);
+ self->focused = focused;
+ }
+
+ return TRUE; /* go again */
+}
+
+void frame_flash_start(ObFrame *self)
+{
+ self->flash_on = self->focused;
+
+ if (!self->flashing)
+ ob_main_loop_timeout_add(ob_main_loop,
+ G_USEC_PER_SEC * 0.75,
+ flash_timeout,
+ self,
+ flash_done);
+ g_get_current_time(&self->flash_end);
+ g_time_val_add(&self->flash_end, G_USEC_PER_SEC * 5);
+
+ self->flashing = TRUE;
+}
+
+void frame_flash_stop(ObFrame *self)
+{
+ self->flashing = FALSE;
+}