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

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

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

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

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

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package org.netbeans.html.geo.impl;

import net.java.html.js.JavaScriptBody;

/** Implementation class to deal with browser's <code>navigator.geolocation</code> 

 * object.

 *

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

 */

public abstract class JsG {

    protected JsG() {

        if (!getClass().getName().equals("net.java.html.geo.Position$Handle$JsH")) {

            throw new IllegalStateException();

        }

    }

    public abstract void onLocation(Object position);

    public abstract void onError(Object error);

    @JavaScriptBody(args = {}, body = "return !!navigator.geolocation;")

    public static boolean hasGeolocation() {

        return false;

    }

    @JavaScriptBody(

        args = { "onlyOnce", "enableHighAccuracy", "timeout", "maximumAge" }, 

        javacall = true, 

        body = 

        "var self = this;\n" +

        "var ok = function (position) {\n" +

        "  self.@org.netbeans.html.geo.impl.JsG::onLocation(Ljava/lang/Object;)(position);\n" +

        "};\n" +

        "var fail = function (error) {\n" +

        "  self.@org.netbeans.html.geo.impl.JsG::onError(Ljava/lang/Object;)(error);\n" +

        "};\n" +

        "var options = {};\n" +

        "options.enableHighAccuracy = enableHighAccuracy;\n" +

        "if (timeout >= 0) options.timeout = timeout;\n" +

        "if (maximumAge >= 0) options.maximumAge = maximumAge;\n" +

        "if (onlyOnce) {\n" +

        "  navigator.geolocation.getCurrentPosition(ok, fail);\n" +

        "  return 0;\n" +

        "} else {\n" +

        "  return navigator.geolocation.watchPosition(ok, fail);\n" +

        "}\n"

    )

    protected long start(

        boolean onlyOnce, 

        boolean enableHighAccuracy,

        long timeout,

        long maximumAge

    ) {

        return -1;

    }

    @JavaScriptBody(args = { "watch" }, body = "navigator.geolocation.clearWatch(watch);")

    protected void stop(long watch) {

    }

    @JavaScriptBody(args = { "self", "property" }, body = "return self[property];")

    public static Object get(Object self, String property) {

        return null;

    }

}