nl_tokens: Helper function for setting the pull - to - refresh status .
pl_tokens: function _setPullToRefreshState ( pullToRefresh , state ) { if ( pullToRefresh . state !== state ) { pullToRefresh . state = state ; if ( pullToRefresh . node && pullToRefresh . node . setPullToRefreshStatus ) { pullToRefresh . node . setPullToRefreshStatus ( <mask> ) ; } } }