157 lines
4.8 KiB
JavaScript
157 lines
4.8 KiB
JavaScript
/**
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* cordova is available under the MIT License (2008).
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* See http://opensource.org/licenses/alphabetical for full text.
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*
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* Copyright (c) Matt Kane 2010
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* Copyright (c) 2011, IBM Corporation
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* Copyright (c) 2012-2017, Adobe Systems
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*/
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var exec = cordova.require("cordova/exec");
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var scanInProgress = false;
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/**
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* Constructor.
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*
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* @returns {BarcodeScanner}
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*/
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function BarcodeScanner() {
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/**
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* Encoding constants.
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*
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* @type Object
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*/
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this.Encode = {
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TEXT_TYPE: "TEXT_TYPE",
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EMAIL_TYPE: "EMAIL_TYPE",
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PHONE_TYPE: "PHONE_TYPE",
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SMS_TYPE: "SMS_TYPE"
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// CONTACT_TYPE: "CONTACT_TYPE", // TODO: not implemented, requires passing a Bundle class from Javascript to Java
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// LOCATION_TYPE: "LOCATION_TYPE" // TODO: not implemented, requires passing a Bundle class from Javascript to Java
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};
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/**
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* Barcode format constants, defined in ZXing library.
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*
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* @type Object
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*/
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this.format = {
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"all_1D": 61918,
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"aztec": 1,
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"codabar": 2,
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"code_128": 16,
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"code_39": 4,
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"code_93": 8,
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"data_MATRIX": 32,
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"ean_13": 128,
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"ean_8": 64,
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"itf": 256,
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"maxicode": 512,
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"msi": 131072,
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"pdf_417": 1024,
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"plessey": 262144,
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"qr_CODE": 2048,
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"rss_14": 4096,
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"rss_EXPANDED": 8192,
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"upc_A": 16384,
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"upc_E": 32768,
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"upc_EAN_EXTENSION": 65536
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};
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}
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/**
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* Read code from scanner.
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*
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* @param {Function} successCallback This function will recieve a result object: {
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* text : '12345-mock', // The code that was scanned.
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* format : 'FORMAT_NAME', // Code format.
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* cancelled : true/false, // Was canceled.
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* }
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* @param {Function} errorCallback
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* @param config
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*/
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BarcodeScanner.prototype.scan = function (successCallback, errorCallback, config) {
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if (config instanceof Array) {
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// do nothing
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} else {
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if (typeof(config) === 'object') {
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// string spaces between formats, ZXing does not like that
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if (config.formats) {
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config.formats = config.formats.replace(/\s+/g, '');
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}
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config = [ config ];
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} else {
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config = [];
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}
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}
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if (errorCallback == null) {
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errorCallback = function () {
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};
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}
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if (typeof errorCallback != "function") {
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console.log("BarcodeScanner.scan failure: failure parameter not a function");
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return;
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}
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if (typeof successCallback != "function") {
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console.log("BarcodeScanner.scan failure: success callback parameter must be a function");
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return;
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}
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if (scanInProgress) {
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errorCallback('Scan is already in progress');
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return;
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}
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scanInProgress = true;
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exec(
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function(result) {
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scanInProgress = false;
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// work around bug in ZXing library
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if (result.format === 'UPC_A' && result.text.length === 13) {
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result.text = result.text.substring(1);
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}
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successCallback(result);
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},
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function(error) {
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scanInProgress = false;
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errorCallback(error);
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},
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'BarcodeScanner',
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'scan',
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config
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);
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};
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//-------------------------------------------------------------------
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BarcodeScanner.prototype.encode = function (type, data, successCallback, errorCallback, options) {
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if (errorCallback == null) {
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errorCallback = function () {
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};
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}
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if (typeof errorCallback != "function") {
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console.log("BarcodeScanner.encode failure: failure parameter not a function");
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return;
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}
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if (typeof successCallback != "function") {
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console.log("BarcodeScanner.encode failure: success callback parameter must be a function");
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return;
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}
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exec(successCallback, errorCallback, 'BarcodeScanner', 'encode', [
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{"type": type, "data": data, "options": options}
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]);
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};
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var barcodeScanner = new BarcodeScanner();
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module.exports = barcodeScanner;
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