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/* CommonAppletStub.java -- an applet-browser interface class

   Copyright (C) 2003, 2006  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

GNU Classpath 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 for more details.

You should have received a copy of the GNU General Public License

along with GNU Classpath; see the file COPYING.  If not, write to the

Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA.

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

combination.

As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

modules, and to copy and distribute the resulting executable under

terms of your choice, provided that you also meet, for each linked

independent module, the terms and conditions of the license of that

module.  An independent module is a module which is not derived from

or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

obligated to do so.  If you do not wish to do so, delete this

exception statement from your version. */

package gnu.classpath.tools.appletviewer;

import java.applet.AppletContext;

import java.applet.AppletStub;

import java.applet.Applet;

import java.net.MalformedURLException;

import java.net.URL;

class CommonAppletStub

  implements AppletStub

{

  private AppletTag tag;

  private AppletContext context;

  private Applet applet;

  CommonAppletStub(AppletTag tag, AppletContext context, Applet applet)

  {

    this.tag = tag;

    this.context = context;

    this.applet = applet;

  }

  ////////////////////////////////

  ////// AppletStub Methods //////

  ////////////////////////////////

  /**

   * Tests whether or not this applet is currently active. An applet

   * becomes active just before the browser invokes start (), and

   * becomes inactive just before the browser invokes stop ().

   *

   * @return true if applet is active, false otherwise

   */

  public boolean isActive()

  {

    return true;

  }

  /**

   * Returns the basename URL of the document in which this applet is

   * embedded.

   *

   * @return the document base url.

   */

  public URL getDocumentBase()

  {

    return tag.getDocumentBase();

  }

  /**

   * Returns the URL of the code base for this applet.

   *

   * @return the codebase url

   */

  public URL getCodeBase()

  {

    try

      {

        return tag.prependCodeBase("");

      }

    catch (MalformedURLException e)

      {

        throw new RuntimeException("Attempted to create"

                                   + " invalid codebase URL.", e);

      }

  }

  /**

   * Returns the value of the specified parameter that was specified

   * in the <code>APPLET</code> tag for this applet.

   *

   * @param name the key name

   *

   * @return the key value

   */

  public String getParameter(String name)

  {

    return tag.getParameter(name.toLowerCase());

  }

  /**

   * Returns the applet context for this applet.

   *

   * @return the context

   */

  public AppletContext getAppletContext()

  {

    return context;

  }

  /**

   * Requests that the applet window for this applet be resized.

   *

   * @param width the new witdh

   * @param height the new height

   */

  public void appletResize(int width, int height)

  {

    applet.setBounds (0, 0, width, height);

  }

}