Jobqiangdan32Client/assets/cordova/plugins/org.apache.cordova.device-motion/www/accelerometer.js

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cordova.define("org.apache.cordova.device-motion.accelerometer", function(require, exports, module) { /*
 *
 * 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.
 *
*/

/**
 * This class provides access to device accelerometer data.
 * @constructor
 */
var argscheck = require('cordova/argscheck'),
    utils = require("cordova/utils"),
    exec = require("cordova/exec"),
    Acceleration = require('./Acceleration');

// Is the accel sensor running?
var running = false;

// Keeps reference to watchAcceleration calls.
var timers = {};

// Array of listeners; used to keep track of when we should call start and stop.
var listeners = [];

// Last returned acceleration object from native
var accel = null;

// Tells native to start.
function start() {
    exec(function(a) {
        var tempListeners = listeners.slice(0);
        accel = new Acceleration(a.x, a.y, a.z, a.timestamp);
        for (var i = 0, l = tempListeners.length; i < l; i++) {
            tempListeners[i].win(accel);
        }
    }, function(e) {
        var tempListeners = listeners.slice(0);
        for (var i = 0, l = tempListeners.length; i < l; i++) {
            tempListeners[i].fail(e);
        }
    }, "Accelerometer", "start", []);
    running = true;
}

// Tells native to stop.