/**
 *
 *  Web Starter Kit
 *  Copyright 2014 Google Inc. All rights reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License
 *
 */
(function () {
    'use strict';
    var navdrawerContainer = document.querySelector('.navdrawer-container');
    var appbarElement = document.querySelector('.app-bar');
    var menuBtn = document.querySelector('.menu');
    var main = document.querySelector('main');

    function closeMenu () {
        appbarElement.classList.remove('open');
        navdrawerContainer.classList.remove('open');
    }

    function toggleMenu () {
        var isOpen = navdrawerContainer.classList.contains('open');
        if (isOpen) {
            closeMenu();
        } else {
            appbarElement.classList.add('open');
            navdrawerContainer.classList.add('open');
        }        
    }

    main.addEventListener('ontouchstart', function () {
        closeMenu();
    });

    main.addEventListener('click', function () {
        closeMenu();
    });

    menuBtn.addEventListener('click', function () {
        toggleMenu();
    }, true);
})();