/*

 * This file is part of libbluray

 * Copyright (C) 2010  William Hahne

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see

 * <http://www.gnu.org/licenses/>.

 */

package javax.tv.graphics;

import java.awt.Container;

import javax.tv.xlet.XletContext;

import org.havi.ui.HSceneFactory;

import org.videolan.BDJXletContext;

import org.videolan.Logger;

public class TVContainer {

    public static Container getRootContainer(XletContext context) {

        if (context == null) {

            Logger.getLogger(TVContainer.class.getName()).error("null context");

            throw new NullPointerException();

        }

        if (!(context instanceof BDJXletContext) || (BDJXletContext)context != BDJXletContext.getCurrentContext()) {

            Logger.getLogger(TVContainer.class.getName()).error("wrong context");

        }

        /* GEM: return instance of org.havi.ui.HScene or NULL */

        HSceneFactory sf = HSceneFactory.getInstance();

        if (sf != null) {

            return sf.getDefaultHScene();

        }

        return null;

    }

}