2 var util = require('util')
3 var TrackerBase = require('./tracker-base.js')
5 var Tracker = module.exports = function (name, todo) {
6 TrackerBase.call(this, name)
8 this.workTodo = todo || 0
10 util.inherits(Tracker, TrackerBase)
12 Tracker.prototype.completed = function () {
13 return this.workTodo === 0 ? 0 : this.workDone / this.workTodo
16 Tracker.prototype.addWork = function (work) {
18 this.emit('change', this.name, this.completed(), this)
21 Tracker.prototype.completeWork = function (work) {
23 if (this.workDone > this.workTodo) this.workDone = this.workTodo
24 this.emit('change', this.name, this.completed(), this)
27 Tracker.prototype.finish = function () {
28 this.workTodo = this.workDone = 1
29 this.emit('change', this.name, 1, this)