How to apply a current user specific theme to a sharepoint site

I want to to provid a functionality in my sharepoint site I want to set the theme according to user. & that theme is specifically for that user

for e.g lets say if user a set his theme as theme1 and for other users its be default or other theme's according to them .

So next time when user1 a log in he should see the theme set by him. I.e theme1 . same is the cas开发者_开发问答e with other users

Can any one help me what will be the best approch to do it.

Thanks in advance.

This SO link might be of some help User specific theme in SharePoint