| 1 | 'use strict'
|
| 2 | var util = require('util')
|
| 3 | var TrackerBase = require('./tracker-base.js')
|
| 4 |
|
| 5 | var Tracker = module.exports = function (name, todo) {
|
| 6 | TrackerBase.call(this, name)
|
| 7 | this.workDone = 0
|
| 8 | this.workTodo = todo || 0
|
| 9 | }
|
| 10 | util.inherits(Tracker, TrackerBase)
|
| 11 |
|
| 12 | Tracker.prototype.completed = function () {
|
| 13 | return this.workTodo === 0 ? 0 : this.workDone / this.workTodo
|
| 14 | }
|
| 15 |
|
| 16 | Tracker.prototype.addWork = function (work) {
|
| 17 | this.workTodo += work
|
| 18 | this.emit('change', this.name, this.completed(), this)
|
| 19 | }
|
| 20 |
|
| 21 | Tracker.prototype.completeWork = function (work) {
|
| 22 | this.workDone += work
|
| 23 | if (this.workDone > this.workTodo) {
|
| 24 | this.workDone = this.workTodo
|
| 25 | }
|
| 26 | this.emit('change', this.name, this.completed(), this)
|
| 27 | }
|
| 28 |
|
| 29 | Tracker.prototype.finish = function () {
|
| 30 | this.workTodo = this.workDone = 1
|
| 31 | this.emit('change', this.name, 1, this)
|
| 32 | }
|