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/*
 * Copyright (c) 2011 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

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

#pragma once

#include <string>

#include <boost/cstdint.hpp>
#include <boost/shared_ptr.hpp>

#include <Swiften/FileTransfer/FileReadBytestream.h>
#include <Swiften/FileTransfer/FileTransfer.h>
#include <Swiften/FileTransfer/FileWriteBytestream.h>
#include <Swiften/FileTransfer/IncomingFileTransfer.h>
#include <Swiften/JID/JID.h>

#include <Swift/Controllers/FileTransfer/FileTransferProgressInfo.h>

namespace Swift {

class FileTransferManager;
class ChatWindow;

class FileTransferController {
public:
	/**
	 * For outgoing file transfers. It'll create a file transfer via FileTransferManager as soon as the descriptive information is available.
	 */
	FileTransferController(const JID&, const std::string&, FileTransferManager*);

	/**
	 * For incoming file transfers.
	 */
	FileTransferController(IncomingFileTransfer::ref transfer);
	~FileTransferController();

	std::string setChatWindow(ChatWindow*, std::string nickname);
	void setReceipient(const JID& otherParty);

	void start(std::string& description);
	void accept(std::string& file);
	void cancel();

	const JID &getOtherParty() const;
	bool isIncoming() const;
	FileTransfer::State getState() const;
	int getProgress() const;
	boost::uintmax_t getSize() const;

	boost::signal<void ()> onStateChanged;
	boost::signal<void ()> onProgressChange;

private:
	void handleFileTransferStateChange(FileTransfer::State);
	void handleProgressPercentageChange(int percentage);

private:
	bool sending;
	JID otherParty;
	std::string filename;
	FileTransfer::ref transfer;
	boost::shared_ptr<FileReadBytestream> fileReadStream;
	boost::shared_ptr<FileWriteBytestream> fileWriteStream;
	FileTransferManager* ftManager;
	FileTransferProgressInfo* ftProgressInfo;
	ChatWindow* chatWindow;
	std::string uiID;
	FileTransfer::State currentState;
};

}