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120 lines
4.0 KiB
Java
120 lines
4.0 KiB
Java
/* AppletContext.java -- Access the applet's runtime environment.
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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.applet;
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import java.awt.Image;
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import java.net.URL;
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import java.util.Enumeration;
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/**
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* This interface allows an applet access to the browser to retrieve
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* additional data files and display documents. It also allows the
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* applet to find out other applets in the same document.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public interface AppletContext
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{
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/**
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* Returns an audio clip from the specified URL.
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*
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* @param url The URL of the audio clip.
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*
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* @return The retrieved audio clip // FIXME: What happens on error?
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*/
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AudioClip getAudioClip(URL url);
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/**
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* Returns an image from the specified URL. Note that the image is not
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* actually retrieved until the applet attempts to display it, so this
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* method returns immediately.
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*
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* @param url The URL of the image.
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*
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* @return The retrieved image. // FIXME: What happens on eror?
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*/
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Image getImage(URL url);
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/**
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* Returns the applet in the document for this object that has the
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* specified name.
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*
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* @param name The applet name.
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*
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* @return The requested applet, or <code>null</code> if an applet with
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* the requested name cannot be found.
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*/
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Applet getApplet(String name);
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/**
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* Returns a list of all the applets in the document for this object.
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*
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* @return A list of all the applets in the document for this object.
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*/
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Enumeration getApplets();
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/**
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* Displays the web page pointed to by the specified URL in the window
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* for this object. This page replaces the document that is currently
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* there.
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*
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* @param url The URL of the web page to load.
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*/
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void showDocument(URL url);
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/**
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* Displays the web page pointed to be the sepcified URL in the window
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* with the specified name. The standard names "_top", "_blank",
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* "_parent", and "_self" are allowed.
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*
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* @param url The URL of the web page to load.
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* @param target The target window.
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*/
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void showDocument(URL url, String target);
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/**
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* Displays the specified message in the status window if that window
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* exists.
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*
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* @param message The status message.
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*/
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void showStatus(String message);
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} // interface AppletContext
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