http://search.yahoo.com/mrss/
.
The current common data shared by medias is to have URLs, mime types,
captions, descriptions, thumbnails and players. Some of these may not be
available, or applications may not want to render them, so null
values are allowed. goog.ui.media.MediaRenderer
checks whether the
values are available before creating DOMs for them.
TODO(user): support asynchronous data models by subclassing
goog.events.EventTarget
or goog.ds.DataNode
. Understand why
http://goto/datanode
is not available in closure. Add setters to
MediaModel once this is supported.