Support jQuery wrappers being passed to tooltip manager

Not my favorite feature, but required for backward-compatibility.

spec/tooltip-manager-spec.coffee

@@ -28,6 +28,24 @@ describe "TooltipManager", ->
       hover element, ->
         expect(document.body.querySelector(".tooltip")).toHaveText("Title")
 
+    it "allows jQuery elements to be passed as the target", ->
+      element2 = document.createElement('div')
+      jasmine.attachToDOM(element2)
+
+      fakeJqueryWrapper = [element, element2]
+      fakeJqueryWrapper.jquery = 'any-version'
+      disposable = manager.add fakeJqueryWrapper, title: "Title"
+
+      hover element, -> expect(document.body.querySelector(".tooltip")).toHaveText("Title")
+      expect(document.body.querySelector(".tooltip")).toBeNull()
+      hover element2, -> expect(document.body.querySelector(".tooltip")).toHaveText("Title")
+      expect(document.body.querySelector(".tooltip")).toBeNull()
+
+      disposable.dispose()
+
+      hover element, -> expect(document.body.querySelector(".tooltip")).toBeNull()
+      hover element2, -> expect(document.body.querySelector(".tooltip")).toBeNull()
+
     describe "when a selector is specified", ->
       it "creates a tooltip when hovering over a descendant of the target that matches the selector", ->
         child = document.createElement('div')

src/tooltip-manager.coffee

@@ -1,5 +1,5 @@
 _ = require 'underscore-plus'
-{Disposable} = require 'event-kit'
+{Disposable, CompositeDisposable} = require 'event-kit'
 Tooltip = null
 
 # Essential: Associates tooltips with HTML elements or selectors.
@@ -71,6 +71,11 @@ class TooltipManager
   # Returns a {Disposable} on which `.dispose()` can be called to remove the
   # tooltip.
   add: (target, options) ->
+    if target.jquery
+      disposable = new CompositeDisposable
+      disposable.add @add(element, options) for element in target
+      return disposable
+
     Tooltip ?= require './tooltip'
 
     {keyBindingCommand, keyBindingTarget} = options