public interface HasProgressHandlers extends HasHandlers
ProgressHandler instances.
 
 Experimental API: This API is still under development and is subject to change.
| Modifier and Type | Method and Description | 
|---|---|
| HandlerRegistration | addProgressHandler(ProgressHandler handler)Adds a  ProgressEventhandler. | 
fireEventHandlerRegistration addProgressHandler(ProgressHandler handler)
ProgressEvent handler.handler - the media progress handlerHandlerRegistration used to remove this handler