cordova-plugin-device-motion/src/firefoxos/accelerometer.js

Cordova Device Motion Plugin

/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 listener(success, ev) {
    var acc = ev.accelerationIncludingGravity;
    acc.timestamp = new Date().getTime();
    success(acc);
}

var Accelerometer = {
    start: function start(success, error) {
        return window.addEventListener('devicemotion', function(ev) {
            listener(success, ev);
        }, false);
    },

    stop: function stop() {
        window.removeEventListener('devicemotion', listener, false);
    }
};

module.exports = Accelerometer;
require('cordova/firefoxos/commandProxy').add('Accelerometer', Accelerometer);