[scriptable, uuid(0d8f8f10-c92d-4a6a-b2bb-e1921f3f4dda)]
interface nsIBidiKeyboard : nsISupports

Methods

 Determines if the current keyboard language is right-to-left
 @throws NS_ERROR_FAILURE if no right-to-left keyboards are installed
boolean isLangRTL()
 Sets the keyboard language to left-to-right or right-to-left
 @param aLevel - if odd set the keyboard to RTL, if even set LTR 
 @throws NS_ERROR_FAILURE if no right-to-left keyboards are installed
void setLangFromBidiLevel(in PRUint8 aLevel)