currentStyle-from-Resource

@Model(adaptables = Resource.class, defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL)
public class ContactUsModel {
   private Style currentStyle;
   private Designer designer;

   @PostConstruct
   protected void init() {

       // Getting the currentStyle from the Designer.class
       designer = this.resourceResolver.adaptTo(Designer.class);
       if (designer != null) {
           currentStyle = designer.getStyle(resource);
       }
    }
}

すごい