| /* |
| * Copyright 2009 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.dev.ui; |
| |
| /** |
| * Base class for any UI event that has a callback. |
| * |
| * @param <C> callback type |
| */ |
| public abstract class UiEvent<C extends UiCallback> { |
| |
| /** |
| * Type token for a UI event. |
| * |
| * <p>Any UiEvent subclasses must have exactly one corresponding Type instance |
| * created. |
| * |
| * @param <C> callback type |
| */ |
| public static class Type<C> { |
| |
| private final String name; |
| |
| protected Type(String name) { |
| this.name = name; |
| } |
| |
| @Override |
| public String toString() { |
| return name; |
| } |
| } |
| } |