| /* |
| * Copyright 2011 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.dom.client; |
| |
| import com.google.gwt.event.shared.HandlerRegistration; |
| import com.google.gwt.event.shared.HasHandlers; |
| |
| /** |
| * A widget that implements this interface provides registration for |
| * {@link DragHandler} instances. |
| * |
| * <p> |
| * <span style="color:red">Experimental API: This API is still under development |
| * and is subject to change. </span> |
| * </p> |
| */ |
| public interface HasDragHandlers extends HasHandlers { |
| /** |
| * Adds a {@link DragEvent} handler. |
| * |
| * @param handler the drag handler |
| * @return {@link HandlerRegistration} used to remove this handler |
| */ |
| HandlerRegistration addDragHandler(DragHandler handler); |
| } |