| 1 | noflo = require 'noflo'
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| 2 |
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| 3 | class RunTimeout extends noflo.Component
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| 4 | description: 'Send a packet after the given time in ms'
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| 5 | icon: 'clock-o'
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| 6 | constructor: ->
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| 7 | @timer = null
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| 8 | @time = null
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| 9 | @inPorts = new noflo.InPorts
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| 10 | time:
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| 11 | datatype: 'number'
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| 12 | description: 'Time after which a packet will be sent'
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| 13 | start:
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| 14 | datatype: 'bang'
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| 15 | description: 'Start the timeout before sending a packet'
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| 16 | clear:
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| 17 | datatype: 'bang'
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| 18 | description: 'Clear the timeout'
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| 19 | required: no
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| 20 | @outPorts = new noflo.OutPorts
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| 21 | out:
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| 22 | datatype: 'bang'
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| 23 |
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| 24 | @inPorts.time.on 'data', (@time) =>
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| 25 | @startTimer()
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| 26 |
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| 27 | @inPorts.start.on 'data', =>
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| 28 | @startTimer()
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| 29 |
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| 30 | @inPorts.clear.on 'data', =>
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| 31 | @stopTimer() if @timer
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| 32 |
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| 33 | startTimer: ->
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| 34 | @stopTimer() if @timer
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| 35 | @outPorts.out.connect()
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| 36 | @timer = setTimeout =>
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| 37 | @outPorts.out.send true
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| 38 | @outPorts.out.disconnect()
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| 39 | @timer = null
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| 40 | , @time
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| 41 |
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| 42 | stopTimer: ->
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| 43 | return unless @timer
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| 44 | clearTimeout @timer
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| 45 | @timer = null
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| 46 | @outPorts.out.disconnect()
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| 47 |
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| 48 | shutdown: ->
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| 49 | @stopTimer() if @timer
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| 50 |
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| 51 | exports.getComponent = -> new RunTimeout
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