rstudio/shiny — pull request #164 by jcheng5 (2013-05-27 19:50:50+00:00)
Title: Fix several bugs relating to suspendWhenHidden

- If an output is bound in the UI before it exists on the server, the
server will suspend the new output until something else causes
manageHiddenOutputs to be triggered. The refactor in shiny.R sets
the suspended flag to .shouldSuspend.
- As part of the previous refactor, we don't set suspendOnHidden in
defineOutput; instead we leave it empty and .shouldSuspend knows
what the default should be.
- In shiny.js, unbound controls were not being suspended. This was
fixed by having sendOutputHiddenState be stateful; anything in
a visible state that disappears on the next iteration is marked
as hidden. Also unbindAll now calls sendOutputHiddenState.