firefox addon - Notification box positioning in XUL -

firefox addon - Notification box positioning in XUL -

currently have xul notification box beingness displayed developing firefox addon. @ moment notification box display @ bottom of browser , cannot find info changing position top of browser. know can utilize priority_high etc... seems add together 1 time again @ bottom of browser.

code:

<notificationbox flex="0.1"> <browser src="http://www.mozilla.org"/> <notification type="warning" label="test"/> </notificationbox>

any help grateful.

i have tested xul explorer, alter positions successfully. here code:

<?xml version="1.0"?> <?xml-stylesheet href="chrome://global/skin/" type="text/css"?> <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <!-- code here --> <stack> <hbox flex="1" left="100" right="10" top="50" bottom="10"> <notificationbox flex="0.1" > <browser src="http://www.mozilla.org"/> <notification type="warning" label="test" /> </notificationbox> </hbox> </stack> </window>

firefox-addon xul