The nsIDOMProgressEvent is used in the media elements (<video> and <audio>
 to inform of the progress of the media download. It is currently undefined
 in the HTML5 specification. This implementation is a placeholder until
 the specification is complete and is compatible with the WebKit ProgressEvent.
[scriptable, uuid(6af7022c-d7f8-414c-a11f-a7918f14052b)]
interface nsIDOMProgressEvent : nsIDOMEvent

Attributes


          

  
    readonly attribute
  
    boolean  
  lengthComputable

        

              

          

          

  
    readonly attribute
  
    unsigned long long  
  loaded

        

              

          

          

  
    readonly attribute
  
    unsigned long long  
  total

        

          

        
Methods

    

              

          

          

  
    
    void
  initProgressEvent(in DOMString typeArg, in boolean canBubbleArg, in boolean cancelableArg, in boolean lengthComputableArg, in unsigned long long loadedArg, in unsigned long long totalArg)