gistfile1.coffee

      fade: (opacity, callback) ->                                                                    | 10     if (url === this.get('currentView.src')){                                                    
 11     currentOpacity = @$().css('opacity')                                                          | 11       this.get('controller.videoPromise').resolve();                                             
 12     return callback() if currentOpacity == opacity                                                | 12       return;                                                                                    
 13                                                                                                   | 13     }                                                                                            
 14     @$().css('opacity', opacity)                                                                  | 14                                                                                                  
 15     Ember.run =>                                                                                  | 15     var view = viewToFade.create({                                                               
 16       @$().on('transitionend webkitTransitionEnd oTransitionEnd otransitionend MSTransitionEnd', >| 16       src: url,                                                                                  
 17         @$().off('transitionend webkitTransitionEnd oTransitionEnd otransitionend MSTransitionEnd>| 17     });                                                                                          
 18         callback()                                                                                | 18                                                                                                  
 19       )