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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#pragma once
#include <boost/optional.hpp>
#include <vector>
#include <set>
#include "Swiften/Base/boost_bsignals.h"
#include "Swiften/Base/String.h"
#include "Swiften/JID/JID.h"
#include "Swiften/Elements/RosterItemPayload.h"
#include <Swiften/Roster/XMPPRosterItem.h>
namespace Swift {
/**
* This class represents the roster of an account, as stored on the XMPP server.
*
* Changes to the roster (either due to subscription requests or by going online/offline) are
* emitted through signals.
*/
class XMPPRoster {
public:
XMPPRoster();
virtual ~XMPPRoster();
/**
* Checks whether the bare jid of the given jid is in the roster.
*/
virtual bool containsJID(const JID& jid) = 0;
/**
* Retrieves the subscription state for the given jid.
*/
virtual RosterItemPayload::Subscription getSubscriptionStateForJID(const JID& jid) = 0;
/**
* Retrieves the stored roster name for the given jid.
*/
virtual String getNameForJID(const JID& jid) const = 0;
/**
* Returns the list of groups for the given JID.
*/
virtual std::vector<String> getGroupsForJID(const JID& jid) = 0;
/**
* Retrieve the items in the roster.
*/
virtual std::vector<XMPPRosterItem> getItems() const = 0;
/**
* Retrieve the item with the given JID.
*/
virtual boost::optional<XMPPRosterItem> getItem(const JID&) const = 0;
/**
* Retrieve the list of (existing) groups.
*/
virtual std::set<String> getGroups() const = 0;
public:
/**
* Emitted when the given JID is added to the roster.
*/
boost::signal<void (const JID&)> onJIDAdded;
/**
* Emitted when the given JID is removed from the roster.
*/
boost::signal<void (const JID&)> onJIDRemoved;
/**
* Emitted when the name or the groups of the roster item with the
* given JID changes.
*/
boost::signal<void (const JID&, const String&, const std::vector<String>&)> onJIDUpdated;
/**
* Emitted when the roster is reset (e.g. due to logging in/logging out).
* After this signal is emitted, the roster is empty. It will be repopulated through
* onJIDAdded and onJIDRemoved events.
*/
boost::signal<void ()> onRosterCleared;
};
}
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Swift