/*******************************************************************************

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     Nokia Corporation - initial implementation

 *******************************************************************************/

package org.eclipse.swt.internal.extension;

import org.eclipse.swt.graphics.Point;

import org.eclipse.swt.internal.symbian.OS;

import org.eclipse.swt.widgets.Display;

public final class DisplayExtension extends Display

{

    /* Image types, same values as MIDP */

    public static final int LIST_ELEMENT = 1;

    public static final int CHOICE_GROUP_ELEMENT = 2;

    public static final int ALERT = 3;

    public DisplayExtension()

    {

        super();

    }

    /**

     * Determine the best width for the given image type.

     * @param imageType

     * @return Best height or -1 if invalid image type given.

     */

    public int getBestImageWidth(int imageType)

    {

        checkDevice();

        return getBestImageSize(imageType).x;

    }

    /**

     * Determine the best height for the given image type.

     * @param imageType

     * @return Best height or -1 if invalid image type given.

     */

    public int getBestImageHeight(int imageType)

    {

        checkDevice();

        return getBestImageSize(imageType).y;

    }

    private Point getBestImageSize(int imageType)

    {

        return OS.DisplayExtension_getBestImageSize(imageType);

    }

}