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Allow listeners to be removed via a Disposable returned from ::add

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This commit is contained in:
Nathan Sobo
2014-09-05 09:19:59 -06:00
parent fe27ebec1b
commit 4de0865d28
2 changed files with 25 additions and 1 deletions
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11
src/command-registry.coffee
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@@ -1,3 +1,4 @@
{Disposable} = require 'event-kit'
{specificity} = require 'clear-cut'
SequenceCount = 0
@@ -13,7 +14,15 @@ class CommandRegistry
@rootNode.addEventListener(commandName, @dispatchCommand, true)
@listenersByCommandName[commandName] = []
@listenersByCommandName[commandName].push(new CommandListener(selector, callback))
listener = new CommandListener(selector, callback)
listenersForCommand = @listenersByCommandName[commandName]
listenersForCommand.push(listener)
new Disposable =>
listenersForCommand.splice(listenersForCommand.indexOf(listener), 1)
if listenersForCommand.length is 0
delete @listenersByCommandName[commandName]
@rootNode.removeEventListener(commandName, @dispatchCommand, true)
dispatchCommand: (event) =>
propagationStopped = false