/**

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.

 *

 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.

 * Other names may be trademarks of their respective owners.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * Contributor(s):

 *

 * The Original Software is NetBeans. The Initial Developer of the Original

 * Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 */

package org.netbeans.html.boot.impl;

import net.java.html.js.JavaScriptBody;

import net.java.html.js.JavaScriptResource;

/**

 *

 * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 */

@JavaScriptResource("jsmethods.js")

public class JsMethods {

    private Object value;

    @JavaScriptBody(args = {}, body = "return 42;")

    public static Object fortyTwo() {

        return -42;

    }

    @JavaScriptBody(args = {"x", "y" }, body = "return x + y;")

    public static native int plus(int x, int y);

    @JavaScriptBody(args = {"x"}, body = "return x;")

    public static native int plus(int x);

    @JavaScriptBody(args = {}, body = "return this;")

    public static native Object staticThis();

    @JavaScriptBody(args = {}, body = "return this;")

    public native Object getThis();

    @JavaScriptBody(args = {"x"}, body = "return x;")

    public native int plusInst(int x);

    @JavaScriptBody(args = {}, body = "return true;")

    public static boolean truth() {

        return false;

    }

    @JavaScriptBody(args = { "r" }, javacall=true, body = "r.@java.lang.Runnable::run()();")

    public static native void callback(Runnable r);

    @JavaScriptBody(args = { "at", "arr" }, javacall = true, body =

          "var a = 0;\n"

        + "for (var i = 0; i < arr.length; i++) {\n"

        + "  a = at.@org.netbeans.html.boot.impl.Arithm::sumTwo(II)(a, arr[i]);\n"

        + "}\n"

        + "return a;"

    )

    private static native int sumArr(Arithm at, int... arr);

    public static int sumArr(int... arr) {

        return sumArr(new Arithm(), arr);

    }

    @JavaScriptBody(args = { "x", "y" }, body = "return mul(x, y);")

    public static native int useExternalMul(int x, int y);

    @JavaScriptBody(args = { "m" }, javacall = true, body = "return m.@org.netbeans.html.boot.impl.JsMethods::getThis()();")

    public static native JsMethods returnYourSelf(JsMethods m);

    @JavaScriptBody(args = { "x", "y" }, javacall = true, body = "return @org.netbeans.html.boot.impl.JsMethods::useExternalMul(II)(x, y);")

    public static native int staticCallback(int x, int y);

    @JavaScriptBody(args = { "v" }, javacall = true, body = "return @java.lang.Integer::parseInt(Ljava/lang/String;)(v);")

    public static native int parseInt(String v);

    @JavaScriptBody(args = { "useA", "useB", "a", "b" }, body = "var l = 0;"

        + "if (useA) l += a;\n"

        + "if (useB) l += b;\n"

        + "return l;\n"

    )

    public static native long chooseLong(boolean useA, boolean useB, long a, long b);

    protected void onError(Object o) throws Exception {

        value = o;

    }

    Object getError() {

        return value;

    }

    @JavaScriptBody(args = { "err" }, javacall = true, body = 

        "this.@org.netbeans.html.boot.impl.JsMethods::onError(Ljava/lang/Object;)(err);"

      + "return this.@org.netbeans.html.boot.impl.JsMethods::getError()();"

    )

    public native Object recordError(Object err);

}