How long should you let a friend mourn the loss of a dad?

There is a girl that I kind of know whose father died on Tuesday. I was wondering how long I should wait before I text her. On thursday I told her I was sorry to hear about it, but when should I just text her about other stuff? Is a week long enough or should I wait? I also don't really know her, like we said hi to each other, but should I say anything else about her dad now? Thanks