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class Cable.Connection
constructor: (@consumer) ->
@open()
send: (data) ->
if @isOpen()
@websocket.send(JSON.stringify(data))
true
else
false
open: =>
@websocket = new WebSocket(@consumer.url)
@websocket.onmessage = @onMessage
@websocket.onopen = @onOpen
@websocket.onclose = @onClose
@websocket.onerror = @onError
close: ->
@websocket.close() unless @isClosed()
reopen: ->
if @isClosed()
@open()
else
@websocket.onclose = @open
@websocket.onerror = @open
@websocket.close()
isOpen: ->
@websocket.readyState is WebSocket.OPEN
isClosed: ->
@websocket.readyState in [ WebSocket.CLOSED, WebSocket.CLOSING ]
onMessage: (message) =>
data = JSON.parse message.data
@consumer.subscribers.notify(data.identifier, "received", data.message)
onOpen: =>
@consumer.subscribers.reload()
onClose: =>
@disconnect()
onError: =>
@disconnect()
@websocket.onclose = -> # no-op
@websocket.onerror = -> # no-op
try @close()
disconnect: ->
@consumer.subscribers.notifyAll("disconnected")
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