An application can use the following functions to quickly get an element that handles the given URI for reading or writing (Element.makeFromUri).
Source and Sink plugins should implement this interface when possible.
Gets the list of protocols supported by handler. This list may not be modified.
the main Gtk struct as a void*
Get the main Gtk struct
Gets the currently handled URI.
Gets the type of the given URI handler
Tries to set the URI of the given handler.