/*

 * Copyright (c) 1995, 2005, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 in the LICENSE file that

 * accompanied this code).

 *

 * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.applet;

import java.util.*;

import java.io.*;

import java.net.URL;

import java.net.MalformedURLException;

import java.awt.*;

import java.applet.*;

/**

 * Sample applet panel class. The panel manages and manipulates the

 * applet as it is being loaded. It forks a seperate thread in a new

 * thread group to call the applet's init(), start(), stop(), and

 * destroy() methods.

 *

 * @author      Arthur van Hoff

 */

class AppletViewerPanel extends AppletPanel {

    /* Are we debugging? */

    static boolean debug = false;

    /**

     * The document url.

     */

    URL documentURL;

    /**

     * The base url.

     */

    URL baseURL;

    /**

     * The attributes of the applet.

     */

    Hashtable atts;

    /*

     * JDK 1.1 serialVersionUID

     */

    private static final long serialVersionUID = 8890989370785545619L;

    /**

     * Construct an applet viewer and start the applet.

     */

    AppletViewerPanel(URL documentURL, Hashtable atts) {

        this.documentURL = documentURL;

        this.atts = atts;

        String att = getParameter("codebase");

        if (att != null) {

            if (!att.endsWith("/")) {

                att += "/";

            }

            try {

                baseURL = new URL(documentURL, att);

            } catch (MalformedURLException e) {

            }

        }

        if (baseURL == null) {

            String file = documentURL.getFile();

            int i = file.lastIndexOf('/');

            if (i >= 0 && i < file.length() - 1) {

                try {

                    baseURL = new URL(documentURL, file.substring(0, i + 1));

                } catch (MalformedURLException e) {

                }

            }

        }

        // when all is said & done, baseURL shouldn't be null

        if (baseURL == null)

                baseURL = documentURL;

    }

    /**

     * Get an applet parameter.

     */

    public String getParameter(String name) {

        return (String)atts.get(name.toLowerCase());

    }

    /**

     * Get the document url.

     */

    public URL getDocumentBase() {

        return documentURL;

    }

    /**

     * Get the base url.

     */

    public URL getCodeBase() {

        return baseURL;

    }

    /**

     * Get the width.

     */

    public int getWidth() {

        String w = getParameter("width");

        if (w != null) {

            return Integer.valueOf(w).intValue();

        }

        return 0;

    }

    /**

     * Get the height.

     */

    public int getHeight() {

        String h = getParameter("height");

        if (h != null) {

            return Integer.valueOf(h).intValue();

        }

        return 0;

    }

    /**

     * Get initial_focus

     */

    public boolean hasInitialFocus()

    {

        // 6234219: Do not set initial focus on an applet

        // during startup if applet is targeted for

        // JDK 1.1/1.2. [stanley.ho]

        if (isJDK11Applet() || isJDK12Applet())

            return false;

        String initialFocus = getParameter("initial_focus");

        if (initialFocus != null)

        {

            if (initialFocus.toLowerCase().equals("false"))

                return false;

        }

        return true;

    }

    /**

     * Get the code parameter

     */

    public String getCode() {

        return getParameter("code");

    }

    /**

     * Return the list of jar files if specified.

     * Otherwise return null.

     */

    public String getJarFiles() {

        return getParameter("archive");

    }

    /**

     * Return the value of the object param

     */

    public String getSerializedObject() {

        return getParameter("object");// another name?

    }

    /**

     * Get the applet context. For now this is

     * also implemented by the AppletPanel class.

     */

    public AppletContext getAppletContext() {

        return (AppletContext)getParent();

    }

    static void debug(String s) {

        if(debug)

            System.err.println("AppletViewerPanel:::" + s);

    }

    static void debug(String s, Throwable t) {

        if(debug) {

            t.printStackTrace();

            debug(s);

        }

    }

}