nl_tokens: Requests a { @link Ext . device . filesystem . FileSystem } instance .
pl_tokens: function ( config ) { if ( ! config . success ) { Ext . Logger . error ( 'Ext.device.filesystem#requestFileSystem: You must specify a `success` callback.' ) ; return null ; } var me = this ; var successCallback = function ( fs ) { var fileSystem = Ext . create ( 'Ext.device.filesystem.FileSystem' , fs ) ; config . success . call ( config . scope || me , fileSystem ) ; } ; window . requestFileSystem ( config . <mask> , config . size , successCallback , config . failure || Ext . emptyFn ) ; }