Merge pull request #3912 from Imperadeiro98/add-sounds

Add opening/closing sounds to HintsView

app/views/play/level/HintsView.coffee

@@ -38,6 +38,7 @@ module.exports = class HintsView extends CocoView
   afterRender: ->
     @$el.toggleClass('hide', @hintsState.get('hidden'))
     super()
+    @playSound 'game-menu-open'
 
   getProcessedHint: ->
     language = @session.get('codeLanguage')
@@ -69,7 +70,9 @@ module.exports = class HintsView extends CocoView
     @playSound 'menu-button-click'
     @updateHintTimer()
 
-  hideView: -> @hintsState?.set('hidden', true)
+  hideView: ->
+    @hintsState?.set('hidden', true)
+    @playSound 'game-menu-close'
 
   visibilityChanged: (e) ->
     @updateHintTimer()
@@ -91,4 +94,3 @@ module.exports = class HintsView extends CocoView
       @state.set('hintsUsed', hintsUsed)
       clearInterval(@timerIntervalID)
     @state.set('hintsViewTime', hintsViewTime)
-