如何检测Cordova / Phonegap应用程序网络连接是否正在漫游

I have not been able to find this in the Phonegap/Cordova docs. Is there a way to tell whether a network connection type is roaming? I want to allow the user of the app to constrain the application to only allow data transfers of a certain type (Data intensive) when on their own network and not roaming.I have not been able to find this in the Phoneg