/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * This program 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, version 2 of the License.

 *

 * This program 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 this program. Look for COPYING file in the top folder.

 * If not, see http://opensource.org/licenses/GPL-2.0.

 */

package org.apidesign.bck2brwsr.htmlpage.api;

import java.io.Closeable;

import org.apidesign.bck2brwsr.core.JavaScriptBody;

/**

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public class Timer implements Closeable {

    private final Object t;

    private Timer(Object t) {

        this.t = t;

    }

    /** Creates a timer that invokes provided runnable on a fixed interval

     * 

     * @param r the runnable to execute

     * @param time milliseconds to invoke the timer periodically

     */

    public static Timer create(Runnable r, int time) {

        return new Timer(interval(r, time));

    }

    @JavaScriptBody(args = { "r", "time" }, body = 

        "return window.setInterval(function() { r.run__V(); }, time);"

    )

    private static native Object interval(Runnable r, int time);

    @JavaScriptBody(args = { "self" }, body = 

        "window.clearInterval(self);"

    )

    private static native void close(Object self);

    /** Cancels this timer.

     */

    @Override

    public void close() {

        close(t);

    }

}