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.event.dom.client; /** * Represents a native scroll event. */ public class ScrollEvent extends DomEvent<ScrollHandler> { /** * Event type for scroll events. Represents the meta-data associated with this * event. */ private static final Type<ScrollHandler> TYPE = new Type<ScrollHandler>("scroll", new ScrollEvent()); /** * Gets the event type associated with scroll events. * * @return the handler type */ public static Type<ScrollHandler> getType() { return TYPE; } /** * Protected constructor, use * {@link DomEvent#fireNativeEvent(com.google.gwt.dom.client.NativeEvent, com.google.gwt.event.shared.HasHandlers)} * to fire scroll events. */ protected ScrollEvent() { } @Override public final Type<ScrollHandler> getAssociatedType() { return TYPE; } @Override protected void dispatch(ScrollHandler handler) { handler.onScroll(this); } }