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/*
 * Copyright (c) 2010-2015 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#pragma once

#include <map>
#include <set>
#include <string>
#include <vector>

#include <boost/shared_ptr.hpp>

#include <Swiften/Base/boost_bsignals.h>
#include <Swiften/JID/JID.h>

#include <Swift/Controllers/Roster/ContactRosterItem.h>
#include <Swift/Controllers/Roster/ItemOperations/RosterItemOperation.h>
#include <Swift/Controllers/Roster/RosterFilter.h>

namespace Swift {

class RosterItem;
class GroupRosterItem;
class ContactRosterItem;

class Roster {
	public:
		Roster(bool sortByStatus = true, bool fullJIDMapping = false);
		~Roster();

		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::vector<RosterFilter*> getFilters() {return filters_;}
		boost::signal<void (GroupRosterItem*)> onChildrenChanged;
		boost::signal<void (GroupRosterItem*)> onGroupAdded;
		boost::signal<void (RosterItem*)> onDataChanged;
		boost::signal<void (JID&)> onVCardUpdateRequested;
		boost::signal<void (RosterFilter* filter)> onFilterAdded;
		boost::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();
		GroupRosterItem* root_;
		std::vector<RosterFilter*> filters_;
		typedef std::map<JID, std::vector<ContactRosterItem*> > ItemMap;
		ItemMap itemMap_;
		bool fullJIDMapping_;
		bool sortByStatus_;
		bool blockingSupported_;
};

}