001/*
002 *  Copyright 2013 GWT-Bootstrap
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package com.github.gwtbootstrap.client.ui.event;
017
018import com.google.gwt.event.shared.HandlerRegistration;
019
020/**
021 * Interface for widgets that handle {@link com.google.gwt.event.logical.shared.CloseEvent}s and {@link ClosedEvent}s.
022 *
023 * @author Dominik Mayer
024 * @author Danilo Reinert
025 *
026 * @since 2.0.4.0
027 */
028public interface HasCloseHandlers<T> extends com.google.gwt.event.logical.shared.HasCloseHandlers<T> {
029
030    /**
031     * Adds a {@link ClosedHandler} to the widget.
032     *
033     * @param handler the handler
034     * @return {@link HandlerRegistration} used to remove this handler
035     */
036    HandlerRegistration addClosedHandler(ClosedHandler<T> handler);
037
038}