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97 lines
3.0 KiB
JavaScript
97 lines
3.0 KiB
JavaScript
/*
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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*/
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/*
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Network API overview: http://www.w3.org/TR/netinfo-api/
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and http://w3c.github.io/netinfo/
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*/
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var Connection = require('./Connection'),
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modulemapper = require('cordova/modulemapper');
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var origConnection = modulemapper.getOriginalSymbol(window, 'navigator.connection');
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module.exports = {
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getConnectionInfo: function(successCallback, errorCallback) {
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var connection = origConnection || navigator.mozConnection,
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connectionType = Connection.UNKNOWN;
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if (!connection) {
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setTimeout(function() {
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successCallback(connectionType);
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}, 0);
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return;
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}
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var bandwidth = connection.bandwidth,
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metered = connection.metered,
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type = connection.type;
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if (type !== undefined) {
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// For more information see:
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// https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API
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switch(type) {
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case "cellular":
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connectionType = Connection.CELL;
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break;
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case "ethernet":
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connectionType = Connection.ETHERNET;
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break;
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case "wifi":
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connectionType = Connection.WIFI;
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break;
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case "none":
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connectionType = Connection.NONE;
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break;
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}
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} else if (bandwidth !== undefined && metered !== undefined) {
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/*
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bandwidth of type double, readonly
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The user agent must set the value of the bandwidth attribute to:
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0 if the user is currently offline;
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Infinity if the bandwidth is unknown;
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an estimation of the current bandwidth in MB/s (Megabytes per seconds)
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available for communication with the browsing context active document's
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domain.
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For more information see:
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https://developer.mozilla.org/en-US/docs/Web/API/Connection
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*/
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if (bandwidth === 0) {
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connectionType = Connection.NONE;
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} else if (metered && isFinite(bandwidth)) {
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connectionType = Connection.CELL;
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} else if (!metered && isFinite(bandwidth)) {
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connectionType = Connection.WIFI;
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}
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}
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setTimeout(function() {
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successCallback(connectionType);
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}, 0);
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}
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};
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require("cordova/exec/proxy").add("NetworkStatus", module.exports);
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