public boolean cancel() {
   return rssManager.cancel();
 }
 public void update(CommicManagerListener listener) {
   this.listener = listener;
   rssManager.update(this, false);
 }
 public void setLink(String link) {
   rssManager.setLink(link);
 }
 public String getLink() {
   return rssManager.getLink();
 }
 public CommicManager() {
   rssManager = Manager.getInstance();
 }