About flash(*.swf) in gtk

[Zhang Yang <marship 126 com>]

Hello.
I want to make a program with an widget in it can play flash files
(*.swf) . I think if I can take use of libflashplayer.so which is used
in firefox will be great. But I cann't find any API's or headers related
to that library . Can anyone give me a hint or copy?

Or just another library I can use to play flash file in my application. 

Thank you all.