/*

 * Copyright (c) 2011, 2013, 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

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 */

package sun.lwawt;

import java.awt.Button;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.peer.ButtonPeer;

import javax.swing.JButton;

/**

 * Lightweight implementation of {@link ButtonPeer}. Delegates most of the work

 * to the {@link JButton}.

 */

final class LWButtonPeer extends LWComponentPeer<Button, JButton>

        implements ButtonPeer, ActionListener {

    LWButtonPeer(final Button target,

                 final PlatformComponent platformComponent) {

        super(target, platformComponent);

    }

    @Override

    JButton createDelegate() {

        return new JButtonDelegate();

    }

    @Override

    void initializeImpl() {

        super.initializeImpl();

        setLabel(getTarget().getLabel());

        synchronized (getDelegateLock()) {

            getDelegate().addActionListener(this);

        }

    }

    @Override

    public void actionPerformed(final ActionEvent e) {

        postEvent(new ActionEvent(getTarget(), ActionEvent.ACTION_PERFORMED,

                                  getTarget().getActionCommand(), e.getWhen(),

                                  e.getModifiers()));

    }

    @Override

    public void setLabel(final String label) {

        synchronized (getDelegateLock()) {

            getDelegate().setText(label);

        }

    }

    @Override

    public boolean isFocusable() {

        return true;

    }

    @SuppressWarnings("serial")// Safe: outer class is non-serializable.

    private final class JButtonDelegate extends JButton {

        // Empty non private constructor was added because access to this

        // class shouldn't be emulated by a synthetic accessor method.

        JButtonDelegate() {

            super();

        }

        @Override

        public boolean hasFocus() {

            return getTarget().hasFocus();

        }

    }

}