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/*
 * barrier -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2016 Symless 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 "barrier/Clipboard.h"
#include "barrier/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 std::string& name, barrier::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();
    virtual bool        recvClipboard();
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                recvGrabClipboard();

protected:
    struct ClientClipboard {
    public:
        ClientClipboard();

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

    ClientClipboard    m_clipboard[kClipboardEnd];

private:
    typedef bool (ClientProxy1_0::*MessageParser)(const UInt8*);

    ClientInfo            m_info;
    double                m_heartbeatAlarm;
    EventQueueTimer*    m_heartbeatTimer;
    MessageParser        m_parser;
    IEventQueue*        m_events;
};