void addContact(const JID& jid, const JID& displayJID, const std::string& name, const std::string& group, const boost::filesystem::path& avatarPath);

void removeContact(const JID& jid);

void removeContactFromGroup(const JID& jid, const std::string& group);

void removeGroup(const std::string& group);

void removeAll();

void applyOnItems(const RosterItemOperation& operation);

void applyOnAllItems(const RosterItemOperation& operation);

void applyOnItem(const RosterItemOperation& operation, const JID& jid);

void addFilter(RosterFilter* filter);

void removeFilter(RosterFilter* filter);

GroupRosterItem* getRoot() const;

std::set<JID> getJIDs() const;

std::vector<RosterFilter*> getFilters() {return filters_;}

boost::signals2::signal<void (GroupRosterItem*)> onChildrenChanged;

boost::signals2::signal<void (GroupRosterItem*)> onGroupAdded;

boost::signals2::signal<void (RosterItem*)> onDataChanged;

boost::signals2::signal<void (JID&)> onVCardUpdateRequested;

boost::signals2::signal<void (RosterFilter* filter)> onFilterAdded;

boost::signals2::signal<void (RosterFilter* filter)> onFilterRemoved;

GroupRosterItem* getGroup(const std::string& groupName);

void setBlockingSupported(bool isSupported);

private:

void handleDataChanged(RosterItem* item);

void handleChildrenChanged(GroupRosterItem* item);

void filterGroup(GroupRosterItem* item);

void filterContact(ContactRosterItem* contact, GroupRosterItem* group);

void filterAll();

std::vector<RosterFilter*> filters_;

typedef std::map<JID, std::vector<ContactRosterItem*> > ItemMap;

ItemMap itemMap_;

bool fullJIDMapping_;

bool sortByStatus_;

};

}