/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.gwt.gen2.event.dom.client;

import com.google.gwt.gen2.event.shared.*;

/**
 * This is a convenience interface that includes all focus handlers defined by
 * the core GWT system.
 * <p/>
 * <br/>
 * WARNING, PLEASE READ: As this interface is intended for developers who wish
 * to handle all focus events in GWT, in the unlikely event that a new focus
 * event is added, this interface will change.
 *
 * @deprecated use the com.google.gwt.event.dom.client classes instead
 */
@Deprecated
public interface HasAllFocusHandlers extends HasFocusHandlers,
                                             HasBlurHandlers {
    /**
     * Adaptor used to implement both {@link FocusHandler} and {@link BlurHandler}
     * .
     */
    public abstract static class Adaptor extends HandlerAdaptor implements FocusHandler,
                                                                           BlurHandler {

        /**
         * Convenience method to add both focus handlers at once to an event source.
         *
         * @param <EventSourceType>  the event source to add the handlers to.
         * @param <EventHandlerType>
         * @param source             the event source
         * @param handlers           the focus handlers
         */
        public static <EventSourceType extends HasHandlerManager & HasAllFocusHandlers, EventHandlerType extends BlurHandler & FocusHandler> void addHandlers(
                EventSourceType source, EventHandlerType handlers ) {
            source.addBlurHandler( handlers );
            source.addFocusHandler( handlers );
        }

        /**
         * Constructor.
         */
        public Adaptor() {
        }
    }
}