/* * Copyright (c) 2010-2016 Isode Limited. * All rights reserved. * See the COPYING file for more information. */ #pragma once #include <string> #include <boost/signals2.hpp> #include <Swiften/Base/API.h> namespace Swift { class JID; class SWIFTEN_API AvatarProvider { public: virtual ~AvatarProvider(); virtual boost::optional<std::string> getAvatarHash(const JID&) const = 0; boost::signals2::signal<void (const JID&)> onAvatarChanged; }; }