diff --git a/include/transport/presenceoracle.h b/include/transport/presenceoracle.h
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+++ b/include/transport/presenceoracle.h
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+/**
+ * XMPP - libpurple transport
+ *
+ * Copyright (C) 2009, Jan Kaluza <hanzz@soc.pidgin.im>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ */
+
+#pragma once
+
+#include <map>
+
+#include <string>
+#include <Swiften/Elements/Presence.h>
+#include <Swiften/Client/StanzaChannel.h>
+
+#include <Swiften/Base/boost_bsignals.h>
+
+namespace Transport {
+
+class PresenceOracle {
+	public:
+		PresenceOracle(Swift::StanzaChannel* stanzaChannel);
+		~PresenceOracle();
+
+		Swift::Presence::ref getLastPresence(const Swift::JID&) const;
+		Swift::Presence::ref getHighestPriorityPresence(const Swift::JID& bareJID) const;
+		std::vector<Swift::Presence::ref> getAllPresence(const Swift::JID& bareJID) const;
+
+	public:
+		boost::signal<void (Swift::Presence::ref)> onPresenceChange;
+
+	private:
+		void handleIncomingPresence(Swift::Presence::ref presence);
+		void handleStanzaChannelAvailableChanged(bool);
+
+	private:
+		typedef std::map<Swift::JID, Swift::Presence::ref> PresenceMap;
+		typedef std::map<Swift::JID, PresenceMap> PresencesMap;
+		PresencesMap entries_;
+		Swift::StanzaChannel* stanzaChannel_;
+};
+
+}
+