118 lines
2.9 KiB
Java
118 lines
2.9 KiB
Java
/* MediaEntry.java -- An entry in a MediaTracker
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt;
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/**
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* This is an entry in the media tracker
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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abstract class MediaEntry implements java.io.Serializable
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{
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protected static final int LOADING = 1;
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protected static final int ABORTED = 2;
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protected static final int ERRORED = 4;
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protected static final int COMPLETE = 8;
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protected static final int LOADSTARTED = 16;
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protected static final int DONE = 32;
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private MediaTracker tracker;
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private int ID;
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private int status;
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private boolean cancelled;
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private MediaEntry next;
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static MediaEntry
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insert(MediaEntry a, MediaEntry b)
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{
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while (a.next != null)
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a = a.next;
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a.next = b;
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return(b);
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}
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MediaEntry(MediaTracker tracker, int ID)
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{
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this.tracker = tracker;
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this.ID = ID;
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}
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public int
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getID()
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{
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return(ID);
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}
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public int
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getStatus()
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{
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return(status);
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}
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public void
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setStatus(int status)
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{
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this.status = status;
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}
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public MediaEntry
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getNext()
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{
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return(next);
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}
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public void
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cancel()
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{
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cancelled = true;
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if ((status == LOADING) || (status == LOADSTARTED))
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setStatus(ABORTED);
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}
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abstract void
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startLoad();
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abstract Object
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getMedia();
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} // class MediaEntry
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