| /* |
| * 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.event.logical.shared; |
| |
| import com.google.gwt.event.shared.HandlerRegistration; |
| import com.google.gwt.event.shared.HasHandlers; |
| |
| /** |
| * A widget that implements this interface is a public source of |
| * {@link AttachEvent} events. |
| */ |
| public interface HasAttachHandlers extends HasHandlers { |
| /** |
| * Adds an {@link AttachEvent} handler. |
| * |
| * @param handler the handler |
| * @return the handler registration |
| */ |
| HandlerRegistration addAttachHandler(AttachEvent.Handler handler); |
| |
| /** |
| * Returns whether or not the receiver is attached to the |
| * {@link com.google.gwt.dom.client.Document Document}'s |
| * {@link com.google.gwt.dom.client.BodyElement BodyElement}. |
| * |
| * @return true if attached, false otherwise |
| */ |
| boolean isAttached(); |
| } |