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Add ability to cancel marker head position observations

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Nathan Sobo
2013-01-31 14:11:28 -07:00
parent bc44540b10
commit ec521b3fd3
4 changed files with 38 additions and 4 deletions
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2
src/app/buffer-marker.coffee
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@@ -53,6 +53,8 @@ class BufferMarker
observeHeadPosition: (callback) ->
@headPositionObservers.push(callback)
cancel: =>
_.remove(@headPositionObservers, callback)
tryToInvalidate: (oldRange) ->
containsStart = oldRange.containsPoint(@getStartPosition(), exclusive: true)