/* * %W% %E% * * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 only, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License version 2 for more details (a copy is * included at /legal/license.txt). * * You should have received a copy of the GNU General Public License * version 2 along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 or visit www.sun.com if you need additional * information or have any questions. */ package com.sun.jump.module.download; /** * JUMPDownloadProgressListener allows a component to observe * the download progress. The interface is typically implemented by UI * elements (like a progress bar/gauge) to show the state of the download * progress. */ public interface JUMPDownloadProgressListener { /** * Called before the downloading of data is about to start. */ public void downloadStarted(); /** * Called after the download has been cancelled. The cancellation could * be driven by the user or by the system. If this method is called then * downloadCompleted() will not be invoked. */ public void downloadCancelled(); /** * Called to indicate that the download has been complete. This indicates * that there was no error in the download process. */ public void downloadCompleted(); /** * Called as the data gets downloaded. The frequency of the call depends * on the updatePercent argument passed during the registration * of the listener. * * @param percent the percentage of the data that has been downloaded * from the start of the download process. It starts from 0 and * and goes upto 100 typically. */ public void dataDownloaded(int percent); }
