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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 <vector>
#include <map>

#include <Swiften/Base/API.h>
#include <Swiften/Avatars/AvatarProvider.h>
#include <Swiften/JID/JID.h>

namespace Swift {
	class SWIFTEN_API CombinedAvatarProvider : public AvatarProvider {
		public:
			virtual std::string getAvatarHash(const JID&) const;

			void addProvider(AvatarProvider*);
			void removeProvider(AvatarProvider*);

		private:
			void handleAvatarChanged(const JID&);
			std::string getCombinedAvatarAndCache(const JID&) const;

		private:
			std::vector<AvatarProvider*> providers;
			mutable std::map<JID, std::string> avatars;
	};
}