barrier/src/lib/server/ClientProxy1_0.h

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012 Synergy Si Ltd.
 * Copyright (C) 2002 Chris Schoeneman
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 * 
 * This package 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, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "server/ClientProxy.h"
#include "synergy/Clipboard.h"
#include "synergy/protocol_types.h"

class Event;
class EventQueueTimer;
class IEventQueue;

//! Proxy for client implementing protocol version 1.0
class ClientProxy1_0 : public ClientProxy {
public:
	ClientProxy1_0(const String& name, synergy::IStream* adoptedStream, IEventQueue* events);
	~ClientProxy1_0();

	// IScreen
	virtual bool		getClipboard(ClipboardID id, IClipboard*) const;
	virtual void		getShape(SInt32& x, SInt32& y,
							SInt32& width, SInt32& height) const;
	virtual void		getCursorPos(SInt32& x, SInt32& y) const;

	// IClient overrides
	virtual void		enter(SInt32 xAbs, SInt32 yAbs,
							UInt32 seqNum, KeyModifierMask mask,
							bool forScreensaver);
	virtual bool		leave();
	virtual void		setClipboard(ClipboardID, const IClipboard*);
	virtual void		grabClipboard(ClipboardID);
	virtual void		setClipboardDirty(ClipboardID, bool);
	virtual void		keyDown(KeyID, KeyModifierMask, KeyButton);
	virtual void		keyRepeat(KeyID, KeyModifierMask,
							SInt32 count, KeyButton);
	virtual void		keyUp(KeyID, KeyModifierMask, KeyButton);
	virtual void		mouseDown(ButtonID);
	virtual void		mouseUp(ButtonID);
	virtual void		mouseMove(SInt32 xAbs, SInt32 yAbs);
	virtual void		mouseRelativeMove(SInt32 xRel, SInt32 yRel);
	virtual void		mouseWheel(SInt32 xDelta, SInt32 yDelta);
	virtual void		screensaver(bool activate);
	virtual void		resetOptions();
	virtual void		setOptions(const OptionsList& options);
	virtual void		sendDragInfo(UInt32 fileCount, const char* info, size_t size);
	virtual void		fileChunkSending(UInt8 mark, char* data, size_t dataSize);

protected:
	virtual bool		parseHandshakeMessage(const UInt8* code);
	virtual bool		parseMessage(const UInt8* code);

	virtual void		resetHeartbeatRate();
	virtual void		setHeartbeatRate(double rate, double alarm);
	virtual void		resetHeartbeatTimer();
	virtual void		addHeartbeatTimer();
	virtual void		removeHeartbeatTimer();

private:
	void				disconnect();
	void				removeHandlers();

	void				handleData(const Event&, void*);
	void				handleDisconnect(const Event&, void*);
	void				handleWriteError(const Event&, void*);
	void				handleFlatline(const Event&, void*);

	bool				recvInfo();
	bool				recvClipboard();
	bool				recvGrabClipboard();

private:
	typedef bool (ClientProxy1_0::*MessageParser)(const UInt8*);
	struct ClientClipboard {
	public:
		ClientClipboard();

	public:
		Clipboard		m_clipboard;
		UInt32			m_sequenceNumber;
		bool			m_dirty;
	};

	ClientInfo			m_info;
	ClientClipboard	m_clipboard[kClipboardEnd];
	double				m_heartbeatAlarm;
	EventQueueTimer*	m_heartbeatTimer;
	MessageParser		m_parser;
	IEventQueue*		m_events;
};