/*
 * 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/shared_ptr.hpp>
#include <boost/optional.hpp>

#include "Swiften/Base/boost_bsignals.h"
#include "Swiften/FileTransfer/ReadBytestream.h"
#include "Swiften/JID/JID.h"
#include "Swiften/Elements/IBB.h"
#include "Swiften/Elements/ErrorPayload.h"
#include "Swiften/FileTransfer/FileTransferError.h"

namespace Swift {
	class IQRouter;

	class IBBSendSession {
		public:
			IBBSendSession(const std::string& id, const JID& to, boost::shared_ptr<ReadBytestream> bytestream, IQRouter* router);
			~IBBSendSession();

			void start();
			void stop();

			void setBlockSize(int blockSize) {
				this->blockSize = blockSize;
			}

			boost::signal<void (boost::optional<FileTransferError>)> onFinished;

		private:
			void handleIBBResponse(IBB::ref, ErrorPayload::ref);
			void finish(boost::optional<FileTransferError>);

		private:
			std::string id;
			JID to;
			boost::shared_ptr<ReadBytestream> bytestream;
			IQRouter* router;
			int blockSize;
			int sequenceNumber;
			bool active;
	};
}