I have no idea what she was thinking. All i could see was her non-verbals in the context of what was going on around her. Maybe it was because she didn't like getting rained on, one can invent one's own scenarios.
I think the selfie thing would have been more appropriate at a wedding or concert. i personally cannot imagine doing that during the eulogy at a memorial service for someone i know... but he appeared to just be going along with Helle's wishes, and actually, hamming it up with Helle just increases his "cool" factor as far as i am concerned.