/* * 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; } } }