25 lines
645 B
CoffeeScript
25 lines
645 B
CoffeeScript
module.exports =
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class CallbacksRegistry
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constructor: ->
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@emptyFunc = -> throw new Error "Browser trying to call a non-exist callback
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in renderer, this usually happens when renderer code forgot to release
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a callback installed on objects in browser when renderer was going to be
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unloaded or released."
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@callbacks = {}
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add: (callback) ->
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id = Math.random().toString()
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@callbacks[id] = callback
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id
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get: (id) ->
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@callbacks[id] ? ->
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call: (id, args...) ->
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@get(id).call global, args...
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apply: (id, args...) ->
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@get(id).apply global, args...
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remove: (id) ->
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delete @callbacks[id]
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