Package com.google.gwt.event.dom.client

## Interface HasProgressHandlers

- All Superinterfaces:
    `HasHandlers`
  All Known Subinterfaces:
    `HasAllMediaHandlers`
  All Known Implementing Classes:
    `Audio`, `MediaBase`, `Video`

      public interface HasProgressHandlers
      extends HasHandlers

  A widget that implements this interface provides registration for `ProgressHandler` instances.

  Experimental API: This API is still under development and is subject to change.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `HandlerRegistration` | `addProgressHandler​(ProgressHandler handler)` | Adds a `ProgressEvent` handler.

    - ### Methods inherited from interface com.google.gwt.event.shared.HasHandlers

      `fireEvent`

- - ### Method Detail

    - #### addProgressHandler

          HandlerRegistration addProgressHandler​(ProgressHandler handler)

      Adds a `ProgressEvent` handler.
      Parameters:
        `handler` - the media progress handler
      Returns:
        `HandlerRegistration` used to remove this handler