redmine-client/node_modules/node-notifier/notifiers/notifysend.js
2014-12-26 04:41:54 +01:00

89 lines
1.8 KiB
JavaScript

/**
* Node.js wrapper for "notify-send".
*/
var os = require('os'),
which = require('which'),
utils = require('../lib/utils');
var EventEmitter = require('events').EventEmitter;
var util = require('util');
var notifier = 'notify-send', hasNotifier = void 0;
module.exports = NotifySend;
function NotifySend (options) {
options = options || {};
if (!(this instanceof NotifySend)) {
return new NotifySend(options);
}
this.options = options;
EventEmitter.call(this);
}
util.inherits(NotifySend, EventEmitter);
NotifySend.prototype.notify = function (options, callback) {
options = options || {};
callback = callback || function () {};
if (!options.message) {
callback(new Error('Message is required.'));
return this;
}
if (os.type() !== 'Linux') {
callback(new Error('Only supported on Linux systems'));
return this;
}
if (hasNotifier === false) {
callback(new Error('notify-send must be installed on the system.'));
return this;
}
if (hasNotifier || !!this.options.suppressOsdCheck) {
doNotification(options, callback);
return this;
}
which(notifier, function (err) {
hasNotifier = !err;
if (err) {
return callback(err);
}
doNotification(options, callback);
});
return this;
};
var allowedArguments = [
"urgency",
"expire-time",
"icon",
"category",
"hint"
];
function doNotification (options, callback) {
var initial, argsList;
options = utils.mapToNotifySend(options);
options.title = options.title || 'Node Notification:';
initial = [options.title, options.message];
delete options.title;
delete options.message;
argsList = utils.constructArgumentList(options, {
initial: initial,
keyExtra: '-',
allowedArguments: allowedArguments
});
utils.command(notifier, argsList, callback);
}