1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/Timer.java	Sat Jan 12 10:44:37 2013 +0100
     1.3 @@ -0,0 +1,59 @@
     1.4 +/**
     1.5 + * Back 2 Browser Bytecode Translator
     1.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.7 + *
     1.8 + * This program is free software: you can redistribute it and/or modify
     1.9 + * it under the terms of the GNU General Public License as published by
    1.10 + * the Free Software Foundation, version 2 of the License.
    1.11 + *
    1.12 + * This program is distributed in the hope that it will be useful,
    1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 + * GNU General Public License for more details.
    1.16 + *
    1.17 + * You should have received a copy of the GNU General Public License
    1.18 + * along with this program. Look for COPYING file in the top folder.
    1.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
    1.20 + */
    1.21 +package org.apidesign.bck2brwsr.htmlpage.api;
    1.22 +
    1.23 +import java.io.Closeable;
    1.24 +import org.apidesign.bck2brwsr.core.JavaScriptBody;
    1.25 +
    1.26 +/**
    1.27 + *
    1.28 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.29 + */
    1.30 +public class Timer implements Closeable {
    1.31 +    private final Object t;
    1.32 +    
    1.33 +    private Timer(Object t) {
    1.34 +        this.t = t;
    1.35 +    }
    1.36 +    
    1.37 +    /** Creates a timer that invokes provided runnable on a fixed interval
    1.38 +     * 
    1.39 +     * @param r the runnable to execute
    1.40 +     * @param time milliseconds to invoke the timer periodically
    1.41 +     */
    1.42 +    public static Timer create(Runnable r, int time) {
    1.43 +        return new Timer(interval(r, time));
    1.44 +    }
    1.45 +    
    1.46 +    @JavaScriptBody(args = { "r", "time" }, body = 
    1.47 +        "return window.setInterval(function() { r.run__V(); }, time);"
    1.48 +    )
    1.49 +    private static native Object interval(Runnable r, int time);
    1.50 +
    1.51 +    @JavaScriptBody(args = { "self" }, body = 
    1.52 +        "window.clearInterval(self);"
    1.53 +    )
    1.54 +    private static native void close(Object self);
    1.55 +    
    1.56 +    /** Cancels this timer.
    1.57 +     */
    1.58 +    @Override
    1.59 +    public void close() {
    1.60 +        close(t);
    1.61 +    }
    1.62 +}