Java tutorial
/* * 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.maps.client.event; import com.google.gwt.maps.client.MapWidget; import java.util.EventObject; /** * Provides an interface to implement in order to receive * MapEvent.INFOWINDOWBEFORECLOSE events from the {@link MapWidget}. */ public interface MapInfoWindowBeforeCloseHandler { /** * Encapsulates the arguments for the MapEvent.INFOWINDOWBEFORECLOSE event on * a {@link MapWidget}. */ @SuppressWarnings("serial") class MapInfoWindowBeforeCloseEvent extends EventObject { public MapInfoWindowBeforeCloseEvent(MapWidget source) { super(source); } /** * Returns the instance of the map that generated this event. * * @return the instance of the map that generated this event. */ public MapWidget getSender() { return (MapWidget) getSource(); } } /** * Method to be invoked when a MapEvent.INFOWINDOWBEFORECLOSE event fires on a * {@link MapWidget}. * * @param event contains the properties of the event. */ void onInfoWindowBeforeClose(MapInfoWindowBeforeCloseEvent event); }