http://hi.baidu.com/beibei245/blog/item/d7c27e3e8b6bddfd828b13e5.html
http://www.forum.nokia.com/info/sw.nokia.com/id/6190aad6-3b3b-4a6a-a53a-221e61c94248/S60_Platform_Porting_from_2nd_to_3rd_Edition_v1_1_en.pdf.html