update camera when bar is clicked

Change-Id: Icf397070d1b17a282a07e166d1387881b854b337
Reviewed-on: https://gerrit.libreoffice.org/11541
Reviewed-by: Kohei Yoshida <libreoffice@kohei.us>
Tested-by: Kohei Yoshida <libreoffice@kohei.us>