mirror of
https://github.com/overleaf/overleaf.git
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79 lines
1.8 KiB
CoffeeScript
79 lines
1.8 KiB
CoffeeScript
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define [
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"utils/Modal"
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"libs/backbone"
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], (Modal) ->
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class ConnectionManager
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constructor: (@ide) ->
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@connected = false
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@socket = @ide.socket
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@socket.on "connect", () =>
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@connected = true
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@hideModal()
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@cancelReconnect()
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@socket.on 'disconnect', () =>
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@connected = false
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@ide.trigger "disconnect"
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setTimeout(=>
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mixpanel?.track("disconnected")
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, 2000)
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if !@forcedDisconnect
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@showModalAndStartAutoReconnect()
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@socket.on 'forceDisconnect', (message) =>
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@showModal(message)
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@forcedDisconnect = true
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@socket.disconnect()
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@messageEl = $("#connectionLostMessage")
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$('#try-reconnect-now').on 'click', (e) =>
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e.preventDefault()
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@tryReconnect()
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@hideModal()
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showModalAndStartAutoReconnect: () ->
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@hideModal()
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twoMinutes = 2 * 60 * 1000
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if @ide.editor? and @ide.editor.lastUpdated? and new Date() - @ide.editor.lastUpdated > twoMinutes
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# between 1 minute and 3 minutes
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@countdown = 60 + Math.floor(Math.random() * 120)
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else
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@countdown = 3 + Math.floor(Math.random() * 7)
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$("#reconnection-countdown").text(@countdown)
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setTimeout(=>
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if !@connected
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@showModal()
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@timeoutId = setTimeout (=> @decreaseCountdown()), 1000
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, 200)
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showModal: () =>
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@messageEl.show()
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$("#reconnecting").hide()
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$("#trying-reconnect").show()
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hideModal: () ->
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@messageEl.hide()
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cancelReconnect: () ->
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clearTimeout @timeoutId if @timeoutId?
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decreaseCountdown: () ->
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@countdown--
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$("#reconnection-countdown").text(@countdown)
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if @countdown <= 0
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@tryReconnect()
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else
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@timeoutId = setTimeout (=> @decreaseCountdown()), 1000
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tryReconnect: () ->
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@cancelReconnect()
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$("#reconnecting").show()
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$("#trying-reconnect").hide()
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@socket.socket.reconnect()
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setTimeout (=> @showModalAndStartAutoReconnect() if !@connected), 1000
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