Adds the listener to the collection of listeners who will be
notified when image data is either partially or completely loaded.
<p>
An ImageLoaderListener should be added before invoking
one of the receiver's load methods. The listener's
<code>imageDataLoaded</code> method is called when image
data has been partially loaded, as is supported by interlaced
GIF/PNG or progressive JPEG images.
@param listener the listener which should be notified
@exception IllegalArgumentException <ul>
<li>ERROR_NULL_ARGUMENT - if the listener is null</li>
</ul>
Adds the listener to the collection of listeners who will be notified when image data is either partially or completely loaded. <p> An ImageLoaderListener should be added before invoking one of the receiver's load methods. The listener's <code>imageDataLoaded</code> method is called when image data has been partially loaded, as is supported by interlaced GIF/PNG or progressive JPEG images.
@param listener the listener which should be notified
@exception IllegalArgumentException <ul> <li>ERROR_NULL_ARGUMENT - if the listener is null</li> </ul>
@see ImageLoaderListener @see ImageLoaderEvent