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40 lines
832 B
CoffeeScript
40 lines
832 B
CoffeeScript
EventEmitter = require 'event-emitter'
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fs = require 'fs'
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_ = require 'underscore'
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module.exports =
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class File
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path: null
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md5: null
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constructor: (@path) ->
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@updateMd5()
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getPath: ->
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@path
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getName: ->
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fs.base(@path)
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updateMd5: ->
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@md5 = fs.md5ForPath(@path)
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afterSubscribe: ->
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@subscribeToNativeChangeEvents() if @subscriptionCount() == 1
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afterUnsubscribe: ->
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@unsubscribeFromNativeChangeEvents() if @subscriptionCount() == 0
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subscribeToNativeChangeEvents: ->
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@watchId = $native.watchPath @path, (eventTypes) =>
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newMd5 = fs.md5ForPath(@getPath())
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if eventTypes.modified? and newMd5 != @md5
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@md5 = newMd5
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@trigger 'contents-change'
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unsubscribeFromNativeChangeEvents: ->
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$native.unwatchPath(@path, @watchId)
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_.extend File.prototype, EventEmitter
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