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node-red-nodes/io/desktopnotify/42-desktopnotify.js
2014-03-02 00:59:46 +01:00

60 lines
1.8 KiB
JavaScript

/**
* Copyright 2013 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var RED = require(process.env.NODE_RED_HOME+"/red/red");
var growl = require('growl');
var util = require("util");
var events = require("events");
function DesktopNotifyNode(n) {
RED.nodes.createNode(this, n);
this.name = n.name;
this.title = n.title;
this.active = (n.active == null)||n.active;
this.maxlength = parseInt(n.maxlength) || 200;
this.on("input",function(msg) {
if (this.active) {
if (msg.payload instanceof Buffer) {
msg.payload = "(Buffer) "+msg.payload.toString();
}
if (typeof msg.payload !== "undefined") {
DesktopNotifyNode.send(this, msg.payload);
}
}
});
}
RED.nodes.registerType("desktopnotify",DesktopNotifyNode);
DesktopNotifyNode.send = function(self, msg) {
var title = self.title;
if (msg instanceof Error) {
title += " [ERROR]: ";
} else if (typeof msg === 'object') {
title += " [OBJECT]: ";
}
msg = msg.toString();
if (msg.length > self.maxlength) {
msg = msg.substr(0,self.maxlength) +"...";
}
growl(msg, { title: title });
}