       # in the change handler. Bookmarks does this.
       if decorations?
         for decoration in decorations
-          @emit 'decoration-changed', marker, decoration, event
+          @trigger 'minimap:decoration-changed', marker, decoration, event
 
     decoration = new Decoration(marker, this, decorationParams)
     @decorationsByMarkerId[marker.id] ?= []
     @decorationsByMarkerId[marker.id].push(decoration)
     @decorationsById[decoration.id] = decoration
-    @emit 'decoration-added', marker, decoration
+    @trigger 'minimap:decoration-added', marker, decoration
     decoration
 
   removeDecoration: (decoration) ->

    if index > -1
      decorations.splice(index, 1)
      delete @decorationsById[decoration.id]
      @emit 'decoration-removed', marker, decoration
      @removedAllMarkerDecorations(marker) if decorations.length is 0

  removeAllDecorationsForMarker: (marker) ->
    decorations = @decorationsByMarkerId[marker.id].slice()
    for decoration in decorations
      @emit 'decoration-removed', marker, decoration
    @removedAllMarkerDecorations(marker)

  removedAllMarkerDecorations: (marker) ->

    delete @decorationMarkerDestroyedSubscriptions[marker.id]

  decorationUpdated: (decoration) ->
    @trigger 'minimap:decoration-updated', decoration
