95 lines
2.1 KiB
JavaScript
95 lines
2.1 KiB
JavaScript
/**
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* Node.js wrapper for "notify-send".
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*/
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var os = require('os');
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var which = require('which');
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var utils = require('../lib/utils');
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var EventEmitter = require('events').EventEmitter;
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var util = require('util');
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var notifier = 'notify-send';
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var hasNotifier = void 0;
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module.exports = NotifySend;
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function NotifySend(options) {
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options = utils.clone(options || {});
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if (!(this instanceof NotifySend)) {
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return new NotifySend(options);
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}
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this.options = options;
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EventEmitter.call(this);
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}
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util.inherits(NotifySend, EventEmitter);
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function noop() {}
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NotifySend.prototype.notify = function(options, callback) {
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options = utils.clone(options || {});
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callback = callback || noop;
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if (typeof callback !== 'function') {
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throw new TypeError(
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'The second argument must be a function callback. You have passed ' +
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typeof callback
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);
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}
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if (typeof options === 'string') {
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options = { title: 'node-notifier', message: options };
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}
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if (!options.message) {
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callback(new Error('Message is required.'));
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return this;
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}
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if (os.type() !== 'Linux' && !os.type().match(/BSD$/)) {
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callback(new Error('Only supported on Linux and *BSD systems'));
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return this;
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}
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if (hasNotifier === false) {
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callback(new Error('notify-send must be installed on the system.'));
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return this;
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}
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if (hasNotifier || !!this.options.suppressOsdCheck) {
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doNotification(options, callback);
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return this;
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}
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try {
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hasNotifier = !!which.sync(notifier);
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doNotification(options, callback);
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} catch (err) {
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hasNotifier = false;
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return callback(err);
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}
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return this;
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};
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var allowedArguments = ['urgency', 'expire-time', 'icon', 'category', 'hint'];
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function doNotification(options, callback) {
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var initial, argsList;
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options = utils.mapToNotifySend(options);
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options.title = options.title || 'Node Notification:';
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initial = [options.title, options.message];
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delete options.title;
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delete options.message;
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argsList = utils.constructArgumentList(options, {
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initial: initial,
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keyExtra: '-',
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allowedArguments: allowedArguments
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});
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utils.command(notifier, argsList, callback);
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}
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