tdf#119388 add new UNO listener/broadcaster

so that we only need to fire each event to the exact shape that wants
it, instead of spamming all the shapes.
Takes deleting a column from 20s to 10s for me.

Note that none of the broadcasters are calling disposing(EventObject),
so I did not make XShapeEventListener extend lang::XEventListener.
If a memory leak regression points at this commit, possibly I
missed something.

Change-Id: I2b8db08247d3e0203d41faf77491368168994e4d
Reviewed-on: https://gerrit.libreoffice.org/77857
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

0 files changed, 0 insertions, 0 deletions