/**

  * Back 2 Browser Bytecode Translator

  * Copyright (C) 2012-2015 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.kosample.js;

 import net.java.html.js.JavaScriptBody;

 /** Use {@link JavaScriptBody} annotation on methods to

  * directly interact with JavaScript. See

  * http://bits.netbeans.org/html+java/1.2/net/java/html/js/package-summary.html

  * to understand how.

  */

 public final class Dialogs {

     private Dialogs() {

     }

     /** Shows confirmation dialog to the user.

      * 

      * @param msg the message

      * @param callback called back when the use accepts (can be null)

      */

     @JavaScriptBody(

         args = { "msg", "callback" }, 

         javacall = true, 

         body = "if (confirm(msg)) {\n"

              + "  callback.@java.lang.Runnable::run()();\n"

              + "}\n"

     )

     public static native void confirmByUser(String msg, Runnable callback);

     @JavaScriptBody(

         args = {}, body = 

         "var w = window,\n" +

         "    d = document,\n" +

         "    e = d.documentElement,\n" +

         "    g = d.getElementsByTagName('body')[0],\n" +

         "    x = w.innerWidth || e.clientWidth || g.clientWidth,\n" +

         "    y = w.innerHeight|| e.clientHeight|| g.clientHeight;\n" +

         "\n" +

         "return 'Screen size is ' + x + ' times ' + y;\n"

     )

     public static native String screenSize();

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

           "var e = window.document.getElementById(id);\n "

         + "var ev = window.document.createEvent('MouseEvents');\n "

         + "ev.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);\n "

         + "e.dispatchEvent(ev);\n "

     )

     public static native void triggerClick(String id);

 }