Code review comment for lp:~unity-team/unity/unity.coverflow

82 + icon_texture_->texture_updated.connect([&] (nux::BaseTexture *texture)
83 + {
84 + if (parent_)
85 + parent_->NeedRedraw();
86 + });

Please, disconnect this on destroy (with a sigc::connection or using sigc::mem_fun) ;)