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node_modules/node-notifier/notifiers/toaster.js 2.42 KB
aaac7fed   liuqimichale   add
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  /**
   * Wrapper for the toaster (https://github.com/nels-o/toaster)
   */
  var path = require('path');
  var notifier = path.resolve(__dirname, '../vendor/snoreToast/SnoreToast.exe');
  var utils = require('../lib/utils');
  var Balloon = require('./balloon');
  
  var EventEmitter = require('events').EventEmitter;
  var util = require('util');
  
  var fallback = void 0;
  
  module.exports = WindowsToaster;
  
  function WindowsToaster(options) {
    options = utils.clone(options || {});
    if (!(this instanceof WindowsToaster)) {
      return new WindowsToaster(options);
    }
  
    this.options = options;
  
    EventEmitter.call(this);
  }
  util.inherits(WindowsToaster, EventEmitter);
  
  function noop() {}
  
  var timeoutMessage = 'the toast has timed out';
  var successMessage = 'user clicked on the toast';
  
  function hasText(str, txt) {
    return str && str.indexOf(txt) !== -1;
  }
  
  WindowsToaster.prototype.notify = function(options, callback) {
    options = utils.clone(options || {});
    callback = callback || noop;
  
    if (typeof options === 'string') {
      options = { title: 'node-notifier', message: options };
    }
  
    if (typeof callback !== 'function') {
      throw new TypeError(
        'The second argument must be a function callback. You have passed ' +
          typeof fn
      );
    }
  
    var actionJackedCallback = utils.actionJackerDecorator(
      this,
      options,
      function cb(err, data) {
        // Needs to filter out timeout. Not an actual error.
        if (err && hasText(data, timeoutMessage)) {
          return callback(null, data);
        }
        callback(err, data);
      },
      function mapper(data) {
        if (hasText(data, successMessage)) {
          return 'click';
        }
        if (hasText(data, timeoutMessage)) {
          return 'timeout';
        }
        return false;
      }
    );
  
    options.title = options.title || 'Node Notification:';
    if (
      typeof options.message === 'undefined' &&
      typeof options.close === 'undefined'
    ) {
      callback(new Error('Message or ID to close is required.'));
      return this;
    }
  
    if (!utils.isWin8() && !!this.options.withFallback) {
      fallback = fallback || new Balloon(this.options);
      return fallback.notify(options, callback);
    }
  
    options = utils.mapToWin8(options);
    var argsList = utils.constructArgumentList(options, {
      explicitTrue: true,
      wrapper: '',
      keepNewlines: true,
      noEscape: true
    });
    utils.fileCommand(
      this.options.customPath || notifier,
      argsList,
      actionJackedCallback
    );
    return this;
  };